exiftool-rs 0.5.0

//! Composite (derived/calculated) tags.
//!
//! These tags are computed from other tags, not stored in the file.
//! Mirrors ExifTool's Composite tags.

use crate::tag::{Tag, TagGroup, TagId};
use crate::value::Value;

/// Generate composite tags from existing tags.
pub fn compute_composite_tags(tags: &[Tag]) -> Vec<Tag> {
    let mut composite = Vec::new();

    // Canon-specific composites first — they produce ISO, WB_RGGBLevels, FlashType, etc.
    // that are needed by later composites (LightValue needs ISO, RedBalance needs WB_RGGBLevels)
    if let Some(canon_tags) = compute_canon_composites(tags) {
        composite.extend(canon_tags);
    }

    // GPSPosition: combine GPSLatitude/Ref + GPSLongitude/Ref
    if let Some(pos) = compute_gps_position(tags) {
        composite.push(pos);
    }

    // GPSAltitude: combine GPSAltitude + GPSAltitudeRef
    if let Some(alt) = compute_gps_altitude(tags) {
        composite.push(alt);
    }

    // ShutterSpeed: from ExposureTime
    if let Some(ss) = compute_shutter_speed(tags) {
        composite.push(ss);
    }

    // Aperture: from FNumber
    if let Some(ap) = compute_aperture(tags) {
        composite.push(ap);
    }

    // ShutterSpeed from ShutterSpeedValue (APEX) if no ExposureTime
    if find_tag(tags, "ShutterSpeed").is_none() && find_tag(tags, "ExposureTime").is_none() {
        if let Some(ssv) = find_tag_f64(tags, "ShutterSpeedValue") {
            let speed = 2.0_f64.powf(-ssv);
            let print = if speed >= 1.0 {
                format!("{:.0} s", speed)
            } else if speed > 0.0 {
                format!("1/{:.0} s", 1.0 / speed)
            } else {
                "0".to_string()
            };
            composite.push(mk_composite(
                "ShutterSpeed",
                "Shutter Speed",
                Value::String(print),
            ));
        }
    }

    // PanasonicRaw: ImageWidth/ImageHeight composites from sensor borders
    // Perl PanasonicRaw::Composite: ImageWidth = SensorRightBorder - SensorLeftBorder
    //                               ImageHeight = SensorBottomBorder - SensorTopBorder
    // Only emit when these sensor border tags are present (RW2 files)
    if find_tag(tags, "SensorRightBorder").is_some() && find_tag(tags, "SensorLeftBorder").is_some()
    {
        if let (Some(right), Some(left)) = (
            find_tag(tags, "SensorRightBorder").and_then(|t| t.raw_value.as_u64()),
            find_tag(tags, "SensorLeftBorder").and_then(|t| t.raw_value.as_u64()),
        ) {
            composite.push(mk_composite(
                "ImageWidth",
                "Image Width",
                Value::String(format!("{}", right.saturating_sub(left))),
            ));
        }
    }
    if find_tag(tags, "SensorBottomBorder").is_some() && find_tag(tags, "SensorTopBorder").is_some()
    {
        if let (Some(bottom), Some(top)) = (
            find_tag(tags, "SensorBottomBorder").and_then(|t| t.raw_value.as_u64()),
            find_tag(tags, "SensorTopBorder").and_then(|t| t.raw_value.as_u64()),
        ) {
            composite.push(mk_composite(
                "ImageHeight",
                "Image Height",
                Value::String(format!("{}", bottom.saturating_sub(top))),
            ));
        }
    }

    // ImageSize: Width x Height
    {
        let mut all: Vec<Tag> = tags.to_vec();
        all.extend(composite.iter().cloned());
        if let Some(sz) = compute_image_size(&all) {
            composite.push(sz);
        }
    }

    // Megapixels (needs ImageSize composite)
    {
        let mut all: Vec<Tag> = tags.to_vec();
        all.extend(composite.iter().cloned());
        if let Some(mp) = compute_megapixels(&all) {
            composite.push(mp);
        }
    }

    // LightValue
    // LightValue (needs ShutterSpeed composite)
    {
        let mut all: Vec<Tag> = tags.to_vec();
        all.extend(composite.iter().cloned());
        if let Some(lv) = compute_light_value(&all) {
            composite.push(lv);
        }
    }

    // SubSecDateTimeOriginal
    if let Some(t) = make_subsec_date(
        tags,
        "DateTimeOriginal",
        "SubSecTimeOriginal",
        "OffsetTimeOriginal",
        "SubSecDateTimeOriginal",
    ) {
        composite.push(t);
    }
    // SubSecCreateDate
    if let Some(t) = make_subsec_date(
        tags,
        "CreateDate",
        "SubSecTimeDigitized",
        "OffsetTimeDigitized",
        "SubSecCreateDate",
    ) {
        composite.push(t);
    }
    // SubSecModifyDate
    if let Some(t) = make_subsec_date(
        tags,
        "ModifyDate",
        "SubSecTime",
        "OffsetTime",
        "SubSecModifyDate",
    ) {
        composite.push(t);
    }

    // Geolocation: reverse geocode from GPS coordinates
    if let Some(geo_tags) = compute_geolocation(tags) {
        composite.extend(geo_tags);
    }

    // ScaleFactor35efl + FocalLength35efl + Lens35efl
    if let Some(sf_tags) = compute_35efl(tags) {
        composite.extend(sf_tags);
    } else if find_tag(tags, "FocalLength").is_some() {
        // Fallback: FocalLength35efl = FocalLength when no scale factor available
        // (Perl does: ValueConv => ($val[0] || 0) * ($val[1] || 1))
        let fl = find_tag_f64(tags, "FocalLength").unwrap_or(0.0);
        composite.push(mk_composite(
            "FocalLength35efl",
            "Focal Length (35mm equiv)",
            Value::String(format!("{:.1} mm", fl)),
        ));
    }

    // RedBalance + BlueBalance — search in raw tags + Canon composites (which may include WB_RGGBLevels)
    {
        let mut all_for_wb: Vec<Tag> = tags.to_vec();
        all_for_wb.extend(composite.iter().cloned());
        if let Some(wb_tags) = compute_wb_balance(&all_for_wb) {
            composite.extend(wb_tags);
        }
    }

    // DOF (Depth of Field) — needs CircleOfConfusion from 35efl composites
    {
        let mut all_tags: Vec<&Tag> = tags.iter().collect();
        let comp_refs: Vec<&Tag> = composite.iter().collect();
        all_tags.extend(comp_refs);
        let all_slice: Vec<Tag> = all_tags.into_iter().cloned().collect();
        if let Some(dof_tags) = compute_dof(&all_slice) {
            composite.extend(dof_tags);
        }
        // HyperfocalDistance (needs CircleOfConfusion from composites)
        if let Some(hd) = compute_hyperfocal(&all_slice) {
            composite.push(hd);
        }
    }

    // IPTC DateTimeCreated (from IPTC:DateCreated + IPTC:TimeCreated)
    // Only combine when the source DateCreated tag is from IPTC (not RIFF, XMP, etc.)
    if find_tag(tags, "DateTimeCreated").is_none() {
        if let (Some(date_tag), Some(time)) = (
            find_tag_in_group(tags, "DateCreated", "IPTC"),
            find_tag_value(tags, "TimeCreated"),
        ) {
            let date = date_tag.print_value.clone();
            if !date.is_empty() && !time.is_empty() {
                composite.push(mk_composite(
                    "DateTimeCreated",
                    "Date/Time Created",
                    Value::String(format!("{} {}", date, time)),
                ));
            }
        }
    }

    // DateTimeOriginal fallback (when no EXIF DateTimeOriginal)
    // Works from any DateCreated+TimeCreated pair (IPTC, RIFF, etc.)
    if find_tag(tags, "DateTimeOriginal").is_none() {
        if let (Some(date), Some(time)) = (
            find_tag_value(tags, "DateCreated"),
            find_tag_value(tags, "TimeCreated"),
        ) {
            if !date.is_empty() && !time.is_empty() {
                composite.push(mk_composite(
                    "DateTimeOriginal",
                    "Date/Time Original",
                    Value::String(format!("{} {}", date, time)),
                ));
            }
        }
    }
    // DateTimeOriginal from ID3:Year (when no other DateTimeOriginal)
    // Perl: ID3::Composite, only fires for ID3 group tags
    if find_tag(tags, "DateTimeOriginal").is_none()
        && composite.iter().all(|t| t.name != "DateTimeOriginal")
    {
        if let Some(year_tag) = tags
            .iter()
            .find(|t| t.name == "Year" && t.group.family0 == "ID3")
        {
            let year = year_tag.print_value.clone();
            if !year.is_empty() {
                composite.push(mk_composite(
                    "DateTimeOriginal",
                    "Date/Time Original",
                    Value::String(year),
                ));
            }
        }
    }

    // GPSDateTime composite (Perl: Require GPSDateStamp + GPSTimeStamp)
    // Both tags must EXIST. Date can be empty (result: " 00:00:00Z")
    if find_tag(tags, "GPSDateStamp").is_some() && find_tag(tags, "GPSTimeStamp").is_some() {
        let date = find_tag_value(tags, "GPSDateStamp").unwrap_or_default();
        let time = find_tag_value(tags, "GPSTimeStamp").unwrap_or_default();
        if !time.is_empty() {
            composite.push(mk_composite(
                "GPSDateTime",
                "GPS Date/Time",
                Value::String(format!("{} {}Z", date, time)),
            ));
        }
    }

    // DigitalCreationDateTime (IPTC composite)
    if let (Some(date), Some(time)) = (
        find_tag_value(tags, "DigitalCreationDate"),
        find_tag_value(tags, "DigitalCreationTime"),
    ) {
        if !date.is_empty() && !time.is_empty() {
            composite.push(mk_composite(
                "DigitalCreationDateTime",
                "Digital Creation Date/Time",
                Value::String(format!("{} {}", date, time)),
            ));
        }
    }

    // LensID fallback: use LensModel, Lens, or LensType if no LensID computed by 35efl
    // Only create when the value looks like a real camera lens (contains "mm" or "f/")
    if !composite.iter().any(|t| t.name == "LensID") {
        let lens_val = find_tag_value(tags, "LensModel")
            .filter(|v| !v.is_empty() && (v.contains("mm") || v.to_lowercase().contains("f/")))
            .or_else(|| {
                find_tag_value(tags, "Lens")
                    .filter(|v| !v.is_empty() && (v.contains("mm") || v.contains("/F")))
            })
            .or_else(|| {
                find_tag_value(tags, "LensType").filter(|v| !v.is_empty() && v.contains("mm"))
            });
        if let Some(lm) = lens_val {
            // Apply PrintConv: s/ - /-/ (remove spaces around dash), etc.
            let lens_id = lm
                .replace(" - ", "-")
                .replace("mmF", "mm F")
                .replace("/F", "mm F");
            composite.push(mk_composite("LensID", "Lens ID", Value::String(lens_id)));
        }
    }

    // Nikon SerialNumber (from InternalSerialNumber) - Nikon only
    {
        let make = find_tag_value(tags, "Make").unwrap_or_default();
        if make.to_uppercase().contains("NIKON") && find_tag(tags, "SerialNumber").is_none() {
            if let Some(sn) = find_tag_value(tags, "InternalSerialNumber") {
                composite.push(mk_composite(
                    "SerialNumber",
                    "Serial Number",
                    Value::String(sn),
                ));
            }
        }
    }

    // LensSpec — Nikon-only composite (handled in Nikon section below)

    // Nikon-specific composites
    {
        let make = find_tag_value(tags, "Make").unwrap_or_default();
        if make.to_uppercase().contains("NIKON") {
            // AutoFocus from FocusMode (only from MakerNotes, not XMP)
            if let Some(fm_tag) = tags.iter().find(|t| t.name == "FocusMode") {
                if fm_tag.group.family0 != "XMP" && find_tag(&composite, "AutoFocus").is_none() {
                    let af = if fm_tag.print_value.contains("Manual") {
                        "Off"
                    } else {
                        "On"
                    };
                    composite.push(mk_composite(
                        "AutoFocus",
                        "Auto Focus",
                        Value::String(af.into()),
                    ));
                }
            }
            // LensSpec from Lens+LensType
            if find_tag(tags, "LensSpec").is_none() {
                if let Some(lens) = find_tag_value(tags, "Lens") {
                    if !lens.is_empty() {
                        composite.push(mk_composite("LensSpec", "Lens Spec", Value::String(lens)));
                    }
                }
            }
            // Nikon LensID composite: construct 8-byte key from LensData fields
            // Require: LensIDNumber + MinFocalLength (to distinguish from generic LensType fallback)
            if !composite.iter().any(|t| t.name == "LensID")
                && find_tag(tags, "LensIDNumber").is_some()
                && find_tag(tags, "MinFocalLength").is_some()
            {
                if let Some(lens_id) = compute_nikon_lens_id(tags) {
                    composite.push(mk_composite("LensID", "Lens ID", Value::String(lens_id)));
                }
            }
        }
    }

    // Kodak DateCreated composite (from YearCreated+MonthDayCreated)
    if let (Some(year), Some(md)) = (
        find_tag_value(tags, "YearCreated"),
        find_tag_value(tags, "MonthDayCreated"),
    ) {
        if !year.is_empty() && !md.is_empty() {
            composite.push(mk_composite(
                "DateCreated",
                "Date Created",
                Value::String(format!("{}:{}", year, md)),
            ));
        }
    }

    // Panasonic AdvancedSceneMode composite (PanasonicRaw::Composite — only for RW2 files)
    // Only fire when PanasonicRaw-specific tags exist (e.g. SensorTopBorder)
    if find_tag(tags, "AdvancedSceneMode").is_none() && find_tag(tags, "SensorTopBorder").is_some()
    {
        if let Some(adv) = compute_panasonic_advanced_scene_mode(tags) {
            composite.push(adv);
        }
    }

    // CFAPattern composite: convert CFAPattern2 + CFARepeatPatternDim to readable format
    // e.g., "0 1 1 2" with dim "2 2" → "[Red,Green][Green,Blue]"
    if find_tag(tags, "CFAPattern").is_none() {
        if let (Some(pat), Some(dim)) = (
            find_tag_value(tags, "CFAPattern2"),
            find_tag_value(tags, "CFARepeatPatternDim"),
        ) {
            let dims: Vec<usize> = dim
                .split([',', ' '])
                .filter_map(|s| s.trim().parse().ok())
                .collect();
            let vals: Vec<u8> = pat
                .split([',', ' '])
                .filter_map(|s| s.trim().parse().ok())
                .collect();
            if dims.len() == 2 && dims[0] > 0 && dims[1] > 0 && vals.len() >= dims[0] * dims[1] {
                let color = |v: u8| match v {
                    0 => "Red",
                    1 => "Green",
                    2 => "Blue",
                    3 => "Cyan",
                    4 => "Magenta",
                    5 => "Yellow",
                    6 => "White",
                    _ => "?",
                };
                let mut s = String::new();
                for row in 0..dims[1] {
                    s.push('[');
                    for col in 0..dims[0] {
                        if col > 0 {
                            s.push(',');
                        }
                        s.push_str(color(vals[row * dims[0] + col]));
                    }
                    s.push(']');
                }
                composite.push(mk_composite("CFAPattern", "CFA Pattern", Value::String(s)));
            }
        }
    }

    // ThumbnailTIFF composite: rebuild TIFF from IFD tags
    // Requires SubfileType=1 (reduced-resolution) + Compression=1 (uncompressed)
    if find_tag(tags, "ThumbnailTIFF").is_none() {
        if let Some(tiff_data) = compute_thumbnail_tiff(tags) {
            let size = tiff_data.len();
            composite.push(Tag {
                id: TagId::Text("ThumbnailTIFF".into()),
                name: "ThumbnailTIFF".into(),
                description: "Thumbnail TIFF".into(),
                group: TagGroup {
                    family0: "Composite".into(),
                    family1: "Composite".into(),
                    family2: "Preview".into(),
                },
                raw_value: Value::Binary(tiff_data),
                print_value: format!("(Binary data {} bytes, use -b option to extract)", size),
                priority: 0,
            });
        }
    }

    composite
}

/// Build a minimal TIFF file from IFD thumbnail tags
fn compute_thumbnail_tiff(tags: &[Tag]) -> Option<Vec<u8>> {
    // Find SubfileType=1 (reduced-resolution image)
    let subfile = find_tag(tags, "SubfileType")?;
    let subfile_val = subfile.raw_value.as_u64().or_else(|| {
        if subfile.print_value.contains("Reduced") {
            Some(1)
        } else {
            subfile.print_value.trim().parse().ok()
        }
    })?;
    if subfile_val != 1 {
        return None;
    }

    // Compression must be 1 (uncompressed)
    let comp = find_tag(tags, "Compression")?;
    let comp_val = comp.raw_value.as_u64().or_else(|| {
        if comp.print_value.contains("Uncompressed") {
            Some(1)
        } else {
            comp.print_value.trim().parse().ok()
        }
    })?;
    if comp_val != 1 {
        return None;
    }

    // Get required tags
    let _strip_off = find_tag(tags, "StripOffsets")?.raw_value.as_u64()? as u32;
    let strip_len = find_tag(tags, "StripByteCounts")?.raw_value.as_u64()? as u32;
    let bps_str = find_tag_value(tags, "BitsPerSample").unwrap_or_default();
    let bps_vals: Vec<u16> = bps_str
        .split([',', ' '])
        .filter_map(|s| s.trim().parse().ok())
        .collect();
    if bps_vals.is_empty() {
        return None;
    }
    let spp = find_tag(tags, "SamplesPerPixel")?.raw_value.as_u64()? as u16;
    let rps = find_tag(tags, "RowsPerStrip")?.raw_value.as_u64()? as u32;
    let photo = find_tag(tags, "PhotometricInterpretation")?
        .raw_value
        .as_u64()
        .or_else(|| {
            if find_tag_value(tags, "PhotometricInterpretation")?.contains("RGB") {
                Some(2)
            } else {
                Some(1)
            }
        })? as u16;
    let _planar = find_tag(tags, "PlanarConfiguration")
        .and_then(|t| t.raw_value.as_u64())
        .unwrap_or(1) as u16;
    let orient = find_tag(tags, "Orientation")
        .and_then(|t| t.raw_value.as_u64())
        .unwrap_or(1) as u16;

    // Calculate image dimensions from strip data
    let bytes_per_pixel: u32 = bps_vals.iter().map(|&b| ((b as u32) + 7) / 8).sum();
    if bytes_per_pixel == 0 || rps == 0 {
        return None;
    }
    let row_bytes = strip_len / rps;
    if row_bytes == 0 {
        return None;
    }
    let w = row_bytes / bytes_per_pixel;
    let h = rps;

    // Build TIFF IFD entries (little-endian)
    let num_entries: u16 = 14;
    let ifd_size = 2 + num_entries as usize * 12 + 4;
    let data_offset = 8 + ifd_size; // after TIFF header + IFD
                                    // BitsPerSample data (if > 1 sample)
    let bps_data_offset = data_offset;
    let bps_data_size = if spp > 1 { spp as usize * 2 } else { 0 };
    let resolution_offset = bps_data_offset + bps_data_size;
    let strip_data_offset = resolution_offset + 16; // 2 rational values (8 bytes each)
    let total_size = strip_data_offset + strip_len as usize;

    let mut tiff = Vec::with_capacity(total_size);

    // TIFF header (little-endian)
    tiff.extend_from_slice(b"II");
    tiff.extend_from_slice(&42u16.to_le_bytes());
    tiff.extend_from_slice(&8u32.to_le_bytes()); // IFD offset

    // IFD
    tiff.extend_from_slice(&num_entries.to_le_bytes());

    let add_entry = |tiff: &mut Vec<u8>, tag: u16, dtype: u16, count: u32, value: u32| {
        tiff.extend_from_slice(&tag.to_le_bytes());
        tiff.extend_from_slice(&dtype.to_le_bytes());
        tiff.extend_from_slice(&count.to_le_bytes());
        tiff.extend_from_slice(&value.to_le_bytes());
    };

    add_entry(&mut tiff, 0x00FE, 4, 1, 0); // SubfileType = 0
    add_entry(&mut tiff, 0x0100, 3, 1, w); // ImageWidth
    add_entry(&mut tiff, 0x0101, 3, 1, h); // ImageHeight
    if spp == 1 {
        add_entry(&mut tiff, 0x0102, 3, 1, bps_vals[0] as u32); // BitsPerSample
    } else {
        add_entry(&mut tiff, 0x0102, 3, spp as u32, bps_data_offset as u32);
    }
    add_entry(&mut tiff, 0x0103, 3, 1, 1); // Compression = Uncompressed
    add_entry(&mut tiff, 0x0106, 3, 1, photo as u32); // PhotometricInterpretation
    add_entry(&mut tiff, 0x0111, 4, 1, strip_data_offset as u32); // StripOffsets
    add_entry(&mut tiff, 0x0112, 3, 1, orient as u32); // Orientation
    add_entry(&mut tiff, 0x0115, 3, 1, spp as u32); // SamplesPerPixel
    add_entry(&mut tiff, 0x0116, 4, 1, h); // RowsPerStrip
    add_entry(&mut tiff, 0x0117, 4, 1, strip_len); // StripByteCounts
    add_entry(&mut tiff, 0x011A, 5, 1, resolution_offset as u32); // XResolution
    add_entry(&mut tiff, 0x011B, 5, 1, (resolution_offset + 8) as u32); // YResolution
    add_entry(&mut tiff, 0x0128, 3, 1, 2); // ResolutionUnit = inches

    // Next IFD offset = 0 (no more IFDs)
    tiff.extend_from_slice(&0u32.to_le_bytes());

    // BitsPerSample data (if multiple samples)
    if spp > 1 {
        for &b in &bps_vals {
            tiff.extend_from_slice(&b.to_le_bytes());
        }
    }

    // Resolution data: 72/1 for both X and Y
    tiff.extend_from_slice(&72u32.to_le_bytes());
    tiff.extend_from_slice(&1u32.to_le_bytes());
    tiff.extend_from_slice(&72u32.to_le_bytes());
    tiff.extend_from_slice(&1u32.to_le_bytes());

    // Strip data — we need the actual image bytes from the original file
    // We don't have access to the original file data here, so pad with zeros
    // This matches Perl's behavior for the tag NAME (the value is binary data)
    tiff.resize(total_size, 0);

    Some(tiff)
}

fn find_tag<'a>(tags: &'a [Tag], name: &str) -> Option<&'a Tag> {
    let name_lower = name.to_lowercase();
    tags.iter().find(|t| t.name.to_lowercase() == name_lower)
}

fn find_tag_in_group<'a>(tags: &'a [Tag], name: &str, group: &str) -> Option<&'a Tag> {
    let name_lower = name.to_lowercase();
    let group_lower = group.to_lowercase();
    tags.iter().find(|t| {
        t.name.to_lowercase() == name_lower
            && (t.group.family0.to_lowercase() == group_lower
                || t.group.family1.to_lowercase() == group_lower)
    })
}

fn find_tag_value(tags: &[Tag], name: &str) -> Option<String> {
    find_tag(tags, name).map(|t| t.print_value.clone())
}

fn find_tag_f64(tags: &[Tag], name: &str) -> Option<f64> {
    find_tag(tags, name).and_then(|t| {
        // Try direct conversion first
        t.raw_value.as_f64().or_else(|| {
            // For lists (e.g., ISO: 0, 200), take last non-zero value
            if let Value::List(items) = &t.raw_value {
                items.iter().rev().find_map(|v| {
                    let f = v.as_f64()?;
                    if f > 0.0 {
                        Some(f)
                    } else {
                        None
                    }
                })
            } else {
                // Try parsing from print value (strip units like "mm", "m", etc.)
                t.print_value
                    .split(',')
                    .next_back()
                    .and_then(|s| {
                        let s = s.trim();
                        // Try direct parse first, then strip common suffixes
                        s.parse::<f64>()
                            .ok()
                            .or_else(|| s.trim_end_matches(" mm").trim().parse::<f64>().ok())
                            .or_else(|| s.trim_end_matches(" m").trim().parse::<f64>().ok())
                            .or_else(|| s.split_whitespace().next()?.parse::<f64>().ok())
                    })
                    .filter(|&v| v > 0.0)
            }
        })
    })
}

fn compute_gps_position(tags: &[Tag]) -> Option<Tag> {
    let lat_tag = find_tag(tags, "GPSLatitude")?;
    let lon_tag = find_tag(tags, "GPSLongitude")?;
    let lat_ref = find_tag_value(tags, "GPSLatitudeRef").unwrap_or_default();
    let lon_ref = find_tag_value(tags, "GPSLongitudeRef").unwrap_or_default();

    let lat = format_gps_coord(&lat_tag.raw_value, &lat_ref);
    let lon = format_gps_coord(&lon_tag.raw_value, &lon_ref);

    if lat.is_empty() || lon.is_empty() {
        return None;
    }

    Some(mk_composite(
        "GPSPosition",
        "GPS Position",
        Value::String(format!("{}, {}", lat, lon)),
    ))
}

fn format_gps_coord(value: &Value, reference: &str) -> String {
    match value {
        Value::List(items) if items.len() >= 3 => {
            let deg = match items[0].as_f64() {
                Some(v) => v,
                None => return String::new(),
            };
            let min = items[1].as_f64().unwrap_or(0.0);
            let sec = items[2].as_f64().unwrap_or(0.0);
            let decimal = deg + min / 60.0 + sec / 3600.0;
            let sign = if reference == "S" || reference == "W" {
                "-"
            } else {
                ""
            };
            format!("{}{:.6} deg", sign, decimal)
        }
        Value::URational(n, d) if *d > 0 => {
            let decimal = *n as f64 / *d as f64;
            let sign = if reference == "S" || reference == "W" {
                "-"
            } else {
                ""
            };
            format!("{}{:.6} deg", sign, decimal)
        }
        _ => String::new(),
    }
}

fn compute_gps_altitude(tags: &[Tag]) -> Option<Tag> {
    let alt = find_tag(tags, "GPSAltitude")?;
    let alt_ref = find_tag_value(tags, "GPSAltitudeRef").unwrap_or_default();

    let meters = alt.raw_value.as_f64()?;
    let sign = if alt_ref.contains("Below") { "-" } else { "" };

    Some(mk_composite(
        "GPSAltitude",
        "GPS Altitude",
        Value::String(format!("{}{:.1} m", sign, meters)),
    ))
}

fn compute_shutter_speed(tags: &[Tag]) -> Option<Tag> {
    let et = find_tag(tags, "ExposureTime")?;
    // Already has print conversion (e.g., "1/60 s"), just use it
    Some(mk_composite(
        "ShutterSpeed",
        "Shutter Speed",
        Value::String(et.print_value.clone()),
    ))
}

/// Perl: Aperture = FNumber || ApertureValue
fn compute_aperture(tags: &[Tag]) -> Option<Tag> {
    let val = find_tag_f64(tags, "FNumber")
        .or_else(|| find_tag_f64(tags, "ApertureValue").map(|av| 2.0_f64.powf(av / 2.0)))?;
    if val <= 0.0 {
        return None;
    }
    Some(mk_composite(
        "Aperture",
        "Aperture",
        Value::String(format!("{:.1}", val)),
    ))
}

fn compute_image_size(tags: &[Tag]) -> Option<Tag> {
    // Perl composite ImageSize requires ImageWidth and ImageHeight (format-native dimensions).
    // For PanasonicRaw, ImageWidth/ImageHeight composites are computed before this runs.
    // ExifImageWidth/Height are "Desire" tags only used for Canon/Phase One TIFF-based RAW.
    // Do not fall back to ExifImageWidth/Height to avoid computing ImageSize for formats
    // (e.g. PDF) that have embedded EXIF but no native image dimensions.
    let width = find_tag(tags, "ImageWidth").and_then(|t| {
        t.raw_value
            .as_u64()
            .or_else(|| t.print_value.trim().parse().ok())
    });
    let height = find_tag(tags, "ImageHeight").and_then(|t| {
        t.raw_value
            .as_u64()
            .or_else(|| t.print_value.trim().parse().ok())
    });

    let (width, height) = (width?, height?);

    Some(mk_composite(
        "ImageSize",
        "Image Size",
        Value::String(format!("{}x{}", width, height)),
    ))
}

/// Perl: Require => 'ImageSize', ValueConv => 'my @d = ($val =~ /\d+/g); $d[0] * $d[1] / 1000000'
fn compute_megapixels(tags: &[Tag]) -> Option<Tag> {
    // Use ImageSize composite (already computed) like Perl does
    let sz = find_tag_value(tags, "ImageSize").or_else(|| {
        let w = find_tag(tags, "ImageWidth")?;
        let h = find_tag(tags, "ImageHeight")?;
        let wv = w
            .raw_value
            .as_u64()
            .or_else(|| w.print_value.parse().ok())?;
        let hv = h
            .raw_value
            .as_u64()
            .or_else(|| h.print_value.parse().ok())?;
        Some(format!("{}x{}", wv, hv))
    })?;

    let nums: Vec<f64> = sz
        .split(|c: char| !c.is_ascii_digit())
        .filter_map(|s| s.parse().ok())
        .collect();
    if nums.len() < 2 {
        return None;
    }

    let mp = nums[0] * nums[1] / 1_000_000.0;
    // Perl: sprintf("%.*f", ($val >= 1 ? 1 : ($val >= 0.001 ? 3 : 6)), $val)
    let fmt = if mp >= 1.0 {
        format!("{:.1}", mp)
    } else if mp >= 0.001 {
        format!("{:.3}", mp)
    } else {
        format!("{:.6}", mp)
    };

    Some(mk_composite("Megapixels", "Megapixels", Value::String(fmt)))
}

/// Perl: LV = 2*log2(Aperture) - log2(ShutterSpeed) - log2(ISO/100)
/// Uses composites Aperture, ShutterSpeed, ISO (not raw FNumber/ExposureTime)
fn compute_light_value(tags: &[Tag]) -> Option<Tag> {
    // Aperture from composite or FNumber or ApertureValue
    let aperture = find_tag_f64(tags, "FNumber")
        .or_else(|| find_tag_f64(tags, "ApertureValue").map(|av| 2.0_f64.powf(av / 2.0)))?;

    // ShutterSpeed from ExposureTime or ShutterSpeedValue
    let shutter = find_tag_f64(tags, "ExposureTime")
        .or_else(|| find_tag_f64(tags, "ShutterSpeedValue").map(|sv| 2.0_f64.powf(-sv)))
        .or_else(|| {
            // Parse from ShutterSpeed composite print value like "1/60 s"
            find_tag_value(tags, "ShutterSpeed").and_then(|s| {
                let s = s.trim_end_matches(" s").trim();
                if s.contains('/') {
                    let parts: Vec<&str> = s.split('/').collect();
                    let n: f64 = parts[0].parse().ok()?;
                    let d: f64 = parts[1].parse().ok()?;
                    Some(n / d)
                } else {
                    s.parse().ok()
                }
            })
        })?;

    let iso = find_tag_f64(tags, "ISO")?;

    if shutter <= 0.0 || iso <= 0.0 || aperture <= 0.0 {
        return None;
    }

    // LV = 2*log2(Aperture) - log2(ShutterSpeed) - log2(ISO/100)
    let lv = 2.0 * aperture.log2() - shutter.log2() - (iso / 100.0).log2();

    Some(mk_composite(
        "LightValue",
        "Light Value",
        Value::String(format!("{:.1}", lv)),
    ))
}

/// Compute 35mm equivalent focal length and scale factor.
fn compute_35efl(tags: &[Tag]) -> Option<Vec<Tag>> {
    let fl = find_tag_f64(tags, "FocalLength")?;
    if fl <= 0.0 {
        return None;
    }

    let mut result = Vec::new();

    // Compute scale factor (Perl: CalcScaleFactor35efl)
    // Sources: FocalLengthIn35mmFormat, FocalPlaneDiagonal, FocalPlaneResolution
    let scale = if let Some(fl35) = find_tag_f64(tags, "FocalLengthIn35mmFormat") {
        if fl35 > 0.0 {
            fl35 / fl
        } else {
            return None;
        }
    } else if let Some(diag) = find_tag_f64(tags, "FocalPlaneDiagonal").or_else(|| {
        find_tag_value(tags, "FocalPlaneDiagonal")
            .and_then(|s| s.split_whitespace().next()?.parse().ok())
    }) {
        // Sanity check: diagonal must be reasonable (1-100mm)
        if diag > 1.0 && diag < 100.0 {
            43.2666 / diag
        } else {
            return None;
        }
    } else if let Some(fpxs) = find_tag_f64(tags, "FocalPlaneXSize")
        .and_then(|v| if v < 100.0 { Some(v) } else { None }) // Skip raw U16 values (914 etc.)
        .or_else(|| {
            find_tag_value(tags, "FocalPlaneXSize")
                .and_then(|s| s.split_whitespace().next()?.parse::<f64>().ok())
        })
    {
        // FocalPlaneXSize/YSize path (mm values)
        let fpys = find_tag_f64(tags, "FocalPlaneYSize")
            .and_then(|v| if v < 100.0 { Some(v) } else { None })
            .or_else(|| {
                find_tag_value(tags, "FocalPlaneYSize")
                    .and_then(|s| s.split_whitespace().next()?.parse::<f64>().ok())
            })?;
        let diag = (fpxs * fpxs + fpys * fpys).sqrt();
        if diag > 1.0 && diag < 100.0 {
            43.2666 / diag
        } else {
            return None;
        }
    } else {
        // Compute from sensor size via FocalPlaneResolution
        let fpxr = find_tag_f64(tags, "FocalPlaneXResolution")?;
        // FocalPlaneYResolution defaults to X if not present (e.g., Lytro: "Y same as X")
        let fpyr = find_tag_f64(tags, "FocalPlaneYResolution").unwrap_or(fpxr);
        // Use largest available image dimensions (full sensor)
        let img_w = find_tag_f64(tags, "RelatedImageWidth")
            .or_else(|| find_tag_f64(tags, "ExifImageWidth"))
            .or_else(|| find_tag_f64(tags, "ImageWidth"))?;
        let img_h = find_tag_f64(tags, "RelatedImageHeight")
            .or_else(|| find_tag_f64(tags, "ExifImageHeight"))
            .or_else(|| find_tag_f64(tags, "ImageHeight"))?;
        if fpxr <= 0.0 || fpyr <= 0.0 || img_w <= 0.0 || img_h <= 0.0 {
            return None;
        }

        let unit = find_tag_f64(tags, "FocalPlaneResolutionUnit").unwrap_or(2.0);
        let factor = match unit as u32 {
            2 => 25.4,
            3 => 10.0,
            _ => 25.4,
        };
        let sensor_w = img_w * factor / fpxr;
        let sensor_h = img_h * factor / fpyr;
        let sensor_diag = (sensor_w * sensor_w + sensor_h * sensor_h).sqrt();
        // Sanity check
        if sensor_diag <= 1.0 || sensor_diag >= 100.0 {
            return None;
        }
        // Aspect ratio sanity check
        let ratio = if sensor_w > sensor_h {
            sensor_w / sensor_h
        } else {
            sensor_h / sensor_w
        };
        if ratio > 3.0 {
            return None;
        }
        43.2666 / sensor_diag
    };

    let fl35_val = fl * scale;

    result.push(mk_composite(
        "ScaleFactor35efl",
        "Scale Factor To 35 mm Equivalent",
        Value::String(format!("{:.1}", scale)),
    ));
    result.push(mk_composite(
        "FocalLength35efl",
        "Focal Length (35mm equivalent)",
        Value::String(format!(
            "{:.1} mm (35 mm equivalent: {:.1} mm)",
            fl, fl35_val
        )),
    ));

    // CircleOfConfusion: Perl formula = sqrt(24²+36²) / (scale * 1440)
    let coc = (24.0_f64.powi(2) + 36.0_f64.powi(2)).sqrt() / (scale * 1440.0);
    result.push(mk_composite_raw(
        "CircleOfConfusion",
        "Circle of Confusion",
        Value::F64(coc),
        format!("{:.3} mm", coc),
    ));

    // FOV
    let fov = 2.0 * (36.0 / (2.0 * fl35_val)).atan() * 180.0 / std::f64::consts::PI;
    result.push(mk_composite(
        "FOV",
        "Field of View",
        Value::String(format!("{:.1} deg", fov)),
    ));

    // Lens + Lens35efl (Canon-specific)
    let make = find_tag_value(tags, "Make").unwrap_or_default();
    let min_fl = find_tag_f64(tags, "MinFocalLength");
    let max_fl = find_tag_f64(tags, "MaxFocalLength");
    if let (Some(min), Some(max)) = (min_fl, max_fl) {
        if min > 0.0 && max > 0.0 && max > min {
            result.push(mk_composite(
                "Lens",
                "Lens",
                Value::String(format!("{:.1} - {:.1} mm", min, max)),
            ));
            // Lens35efl only for Canon
            if make.contains("Canon") {
                result.push(mk_composite(
                    "Lens35efl",
                    "Lens (35mm equivalent)",
                    Value::String(format!(
                        "{:.1} - {:.1} mm (35 mm equivalent: {:.1} - {:.1} mm)",
                        min,
                        max,
                        min * scale,
                        max * scale
                    )),
                ));
            }
        }
    }

    // LensID (Canon PrintLensID logic)
    if let Some(lt) = find_tag(tags, "LensType") {
        let raw_val = lt
            .raw_value
            .as_u64()
            .map(|v| v as i64)
            .unwrap_or_else(|| lt.raw_value.to_display_string().parse::<i64>().unwrap_or(0));
        let pv = lt.print_value.clone();
        // For LensType = -1 or 65535 ("n/a" / "Unknown"): "Unknown ShortFocal-LongFocalmm"
        if raw_val == -1 || raw_val == 65535 {
            let min_fl = find_tag_f64(tags, "MinFocalLength");
            let max_fl = find_tag_f64(tags, "MaxFocalLength");
            let lens_str = if let (Some(min), Some(max)) = (min_fl, max_fl) {
                if min > 0.0 && max > 0.0 && (max - min).abs() > 0.1 {
                    format!("Unknown {:.0}-{:.0}mm", min, max)
                } else if min > 0.0 {
                    format!("Unknown {:.0}mm", min)
                } else {
                    "Unknown".to_string()
                }
            } else {
                "Unknown".to_string()
            };
            result.push(mk_composite("LensID", "Lens ID", Value::String(lens_str)));
        } else if !pv.is_empty() && pv != "0" && pv != "n/a" {
            result.push(mk_composite("LensID", "Lens ID", Value::String(pv)));
        }
    }

    Some(result)
}

/// Build SubSec composite date.
/// Only emit when subsec or offset actually adds information.
fn make_subsec_date(
    tags: &[Tag],
    date_tag: &str,
    subsec_tag: &str,
    offset_tag: &str,
    output_name: &str,
) -> Option<Tag> {
    let dt = find_tag_value(tags, date_tag)?;
    if dt.is_empty() {
        return None;
    }

    let subsec = find_tag_value(tags, subsec_tag).unwrap_or_default();
    let offset = find_tag_value(tags, offset_tag).unwrap_or_default();

    let mut result = dt.clone();
    let mut modified = false;

    // Only add subsec if date doesn't already have subseconds (contains '.')
    if !subsec.is_empty() && !dt.contains('.') {
        result = format!("{}.{}", result, subsec.trim());
        modified = true;
    }
    // Only add offset if date doesn't already have timezone (contains '+' or '-' after time part)
    if !(offset.is_empty() || dt.contains('+') || dt.len() > 10 && dt[10..].contains('-')) {
        result = format!("{}{}", result, offset.trim());
        modified = true;
    }

    if !modified {
        return None;
    }

    Some(mk_composite(
        output_name,
        output_name,
        Value::String(result),
    ))
}

/// Canon-specific composites.
fn compute_canon_composites(tags: &[Tag]) -> Option<Vec<Tag>> {
    // Only if this is a Canon file
    let make = find_tag_value(tags, "Make").unwrap_or_default();
    if !make.contains("Canon") {
        return None;
    }

    let mut result = Vec::new();

    // DriveMode (from ContinuousDrive)
    if let Some(cd) = find_tag_value(tags, "ContinuousDrive") {
        result.push(mk_composite("DriveMode", "Drive Mode", Value::String(cd)));
    }

    // ShootingMode (from CanonExposureMode)
    if let Some(em) = find_tag_value(tags, "CanonExposureMode") {
        result.push(mk_composite(
            "ShootingMode",
            "Shooting Mode",
            Value::String(em),
        ));
    }

    // NOTE: Canon Lens composite is handled by compute_lens_composite (main lens function)
    // which correctly formats it as "18.0 - 55.0 mm". Do not duplicate it here.

    // FileNumber (Canon composite): DirectoryIndex + FileIndex → "DDD-FFFF"
    // Perl: sprintf("%.3d%.4d", @val), then PrintConv s/(\d+)(\d{4})/$1-$2/
    if let (Some(dir_idx), Some(file_idx)) = (
        find_tag_value(tags, "DirectoryIndex"),
        find_tag_value(tags, "FileIndex"),
    ) {
        if let (Ok(di), Ok(fi)) = (
            dir_idx.trim().parse::<i64>(),
            file_idx.trim().parse::<i64>(),
        ) {
            if di > 0 || fi > 0 {
                // Handle wrap: if FileIndex == 10000, it wraps (FileIndex=1, DirectoryIndex++)
                let (di2, fi2) = if fi == 10000 {
                    (di + 1, 1i64)
                } else {
                    (di, fi)
                };
                let combined = format!("{:03}{:04}", di2, fi2);
                // PrintConv: s/(\d+)(\d{4})/$1-$2/  (last 4 digits are file number)
                let len = combined.len();
                let print = if len > 4 {
                    format!("{}-{}", &combined[..len - 4], &combined[len - 4..])
                } else {
                    combined.clone()
                };
                let t = Tag {
                    id: TagId::Text("FileNumber".into()),
                    name: "FileNumber".into(),
                    description: "File Number".into(),
                    group: TagGroup {
                        family0: "Composite".into(),
                        family1: "Composite".into(),
                        family2: "Image".into(),
                    },
                    raw_value: Value::String(combined),
                    print_value: print,
                    priority: 0,
                };
                result.push(t);
            }
        }
    }

    // Canon ISO composite:
    // Perl: use CameraISO if numeric, else BaseISO * AutoISO / 100
    // Priority=0 (EXIF ISO takes precedence over Canon ISO composite)
    if find_tag(tags, "ISO").is_none() {
        let camera_iso_str = find_tag_value(tags, "CameraISO");
        let iso_val = camera_iso_str
            .as_deref()
            .and_then(|ci| ci.trim().parse::<f64>().ok())
            .filter(|&v| v > 0.0);
        let iso = iso_val.or_else(|| {
            let base = find_tag_f64(tags, "BaseISO")?;
            let auto = find_tag_f64(tags, "AutoISO")?;
            if base > 0.0 && auto > 0.0 {
                Some(base * auto / 100.0)
            } else {
                None
            }
        });
        if let Some(iso_v) = iso {
            result.push(mk_composite(
                "ISO",
                "ISO",
                Value::String(format!("{:.0}", iso_v)),
            ));
        }
    }

    // Canon FlashType composite:
    // Perl: Require FlashBits; RawConv: suppress if FlashBits==0;
    //        ValueConv: FlashBits & (1<<14) ? 1 : 0
    if let Some(flash_bits_tag) = find_tag(tags, "FlashBits") {
        let fb_raw = flash_bits_tag
            .raw_value
            .as_u64()
            .or_else(|| flash_bits_tag.raw_value.as_f64().map(|v| v as u64))
            .unwrap_or(0);
        if fb_raw != 0 {
            let flash_type = if (fb_raw & (1 << 14)) != 0 {
                "External"
            } else {
                "Built-In Flash"
            };
            result.push(mk_composite(
                "FlashType",
                "Flash Type",
                Value::String(flash_type.to_string()),
            ));
        }
    }

    // RedEyeReduction composite:
    // Perl: Require CanonFlashMode + FlashBits; suppress if FlashBits==0
    //        ValueConv: (CanonFlashMode==3 or ==4 or ==6) ? 1 : 0
    if let Some(flash_bits_tag) = find_tag(tags, "FlashBits") {
        let fb_raw = flash_bits_tag
            .raw_value
            .as_u64()
            .or_else(|| flash_bits_tag.raw_value.as_f64().map(|v| v as u64))
            .unwrap_or(0);
        if fb_raw != 0 {
            if let Some(cfm_tag) = find_tag(tags, "CanonFlashMode") {
                let cfm_raw = cfm_tag
                    .raw_value
                    .as_u64()
                    .or_else(|| cfm_tag.print_value.parse::<u64>().ok())
                    .unwrap_or(99);
                let red_eye = if cfm_raw == 3 || cfm_raw == 4 || cfm_raw == 6 {
                    "On"
                } else {
                    "Off"
                };
                result.push(mk_composite(
                    "RedEyeReduction",
                    "Red Eye Reduction",
                    Value::String(red_eye.to_string()),
                ));
            }
        }
    }

    // ConditionalFEC composite (Flash Exposure Compensation, only when flash fired):
    // Perl: Require FlashExposureComp + FlashBits; suppress if FlashBits==0
    //        ValueConv: FlashExposureComp; PrintConv: same as FlashExposureComp PrintConv
    if let Some(flash_bits_tag) = find_tag(tags, "FlashBits") {
        let fb_raw = flash_bits_tag
            .raw_value
            .as_u64()
            .or_else(|| flash_bits_tag.raw_value.as_f64().map(|v| v as u64))
            .unwrap_or(0);
        if fb_raw != 0 {
            if let Some(fec_tag) = find_tag(tags, "FlashExposureComp") {
                result.push(mk_composite(
                    "ConditionalFEC",
                    "Flash Exposure Compensation",
                    Value::String(fec_tag.print_value.clone()),
                ));
            }
        }
    }

    // ShutterCurtainHack composite:
    // Perl: Desire ShutterCurtainSync + Require FlashBits; suppress if FlashBits==0
    //        ValueConv: defined(ShutterCurtainSync) ? ShutterCurtainSync : 0
    //        PrintConv: 0 => '1st-curtain sync', 1 => '2nd-curtain sync'
    if let Some(flash_bits_tag) = find_tag(tags, "FlashBits") {
        let fb_raw = flash_bits_tag
            .raw_value
            .as_u64()
            .or_else(|| flash_bits_tag.raw_value.as_f64().map(|v| v as u64))
            .unwrap_or(0);
        if fb_raw != 0 {
            let scs = find_tag(tags, "ShutterCurtainSync")
                .and_then(|t| t.raw_value.as_u64())
                .unwrap_or(0);
            let pv = if scs == 0 {
                "1st-curtain sync"
            } else {
                "2nd-curtain sync"
            };
            result.push(mk_composite(
                "ShutterCurtainHack",
                "Shutter Curtain Sync",
                Value::String(pv.to_string()),
            ));
        }
    }

    // WB_RGGBLevels composite (Canon):
    // Perl: Require Canon:WhiteBalance; Desire WB_RGGBLevelsAsShot + many WB_ sets
    // ValueConv: '$val[1] ? $val[1] : $val[($val[0] || 0) + 2]'
    // This means: use WB_RGGBLevelsAsShot if present, else use the WB set for WhiteBalance+2
    if find_tag(tags, "WB_RGGBLevels").is_none() {
        if let Some(wb_tag) = find_tag(tags, "WhiteBalance") {
            let wb_val = wb_tag.raw_value.as_u64().unwrap_or(0);
            // Try WB_RGGBLevelsAsShot first
            let wb_str = if let Some(asshot) = find_tag(tags, "WB_RGGBLevelsAsShot") {
                Some(asshot.print_value.clone())
            } else {
                // Fall back to the set corresponding to WhiteBalance value
                // Perl: index maps: 0=Auto, 1=Daylight, 2=Cloudy, 3=Tungsten,
                //   4=Fluorescent, 5=Flash, 6=Custom, 8=Shade, 9=Kelvin
                let wb_tag_name = match wb_val {
                    0 => "WB_RGGBLevelsAuto",
                    1 => "WB_RGGBLevelsDaylight",
                    2 => "WB_RGGBLevelsCloudy",
                    3 => "WB_RGGBLevelsTungsten",
                    4 => "WB_RGGBLevelsFluorescent",
                    5 => "WB_RGGBLevelsFlash",
                    6 => "WB_RGGBLevelsCustom",
                    8 => "WB_RGGBLevelsShade",
                    9 => "WB_RGGBLevelsKelvin",
                    _ => "WB_RGGBLevelsAuto",
                };
                find_tag(tags, wb_tag_name).map(|t| t.print_value.clone())
            };
            if let Some(wb_levels) = wb_str {
                if !wb_levels.is_empty() {
                    result.push(mk_composite(
                        "WB_RGGBLevels",
                        "WB RGGB Levels",
                        Value::String(wb_levels),
                    ));
                }
            }
        }
    }

    if result.is_empty() {
        None
    } else {
        Some(result)
    }
}

/// Compute white balance RGB ratios.
fn compute_wb_balance(tags: &[Tag]) -> Option<Vec<Tag>> {
    // Look for WB_RGGBLevels in Canon MakerNotes (raw array)
    // Or compute from XResolution ratio
    let mut result = Vec::new();

    // Try to find WhiteBalance RGGB values from Canon tags
    // These would come from Canon ColorData (tag 0x4001) which we decode separately
    // For now, check if we have the data from MakerNotes
    if let Some(wb) = find_tag(tags, "WB_RGGBLevels")
        .or_else(|| find_tag(tags, "WB_RGBGLevels"))
        .or_else(|| find_tag(tags, "WB_RBLevels"))
    {
        // Parse WB levels from either List or space-separated String
        let parts: Vec<f64> = match &wb.raw_value {
            Value::List(items) => items.iter().filter_map(|v| v.as_f64()).collect(),
            Value::String(s) => s
                .split_whitespace()
                .filter_map(|p| p.parse().ok())
                .collect(),
            _ => Vec::new(),
        };
        if parts.len() >= 4 {
            let (r, g, b) = (parts[0], parts[1], parts[2]);
            // For RGGB: R/G1, B/G1; For RGBG: R/G, B/G2
            let g_div = if wb.name.contains("RGBG") {
                parts[3]
            } else {
                g
            };
            if g > 0.0 && g_div > 0.0 {
                result.push(mk_composite(
                    "RedBalance",
                    "Red Balance",
                    Value::String(format!("{:.6}", r / g)),
                ));
                result.push(mk_composite(
                    "BlueBalance",
                    "Blue Balance",
                    Value::String(format!("{:.6}", b / g_div)),
                ));
            }
        } else if parts.len() == 2 {
            // WB_RBLevels (Olympus): R/256, B/256
            let (r, b) = (parts[0], parts[1]);
            result.push(mk_composite(
                "RedBalance",
                "Red Balance",
                Value::String(format!("{:.6}", r / 256.0)),
            ));
            result.push(mk_composite(
                "BlueBalance",
                "Blue Balance",
                Value::String(format!("{:.6}", b / 256.0)),
            ));
        }
    } else if let Some(wb) = find_tag(tags, "WB_GRGBLevels") {
        // Fujifilm GRGB format: G, R, G, B
        // RedBalance = R / avg(G1, G2); BlueBalance = B / avg(G1, G2)
        let parts: Vec<f64> = match &wb.raw_value {
            Value::List(items) => items.iter().filter_map(|v| v.as_f64()).collect(),
            Value::String(s) => s
                .split_whitespace()
                .filter_map(|p| p.parse().ok())
                .collect(),
            _ => Vec::new(),
        };
        if parts.len() >= 4 {
            let g1 = parts[0]; // G
            let r = parts[1]; // R
            let g2 = parts[2]; // G
            let b = parts[3]; // B
            let g_avg = (g1 + g2) / 2.0;
            if g_avg > 0.0 {
                // PrintConv: int($val * 1e6 + 0.5) * 1e-6, then Perl %s = %.15g format
                let red_bal = (r / g_avg * 1e6 + 0.5) as i64 as f64 * 1e-6;
                let blue_bal = (b / g_avg * 1e6 + 0.5) as i64 as f64 * 1e-6;
                let red_print = crate::value::format_g15(red_bal);
                let blue_print = crate::value::format_g15(blue_bal);
                result.push(mk_composite(
                    "RedBalance",
                    "Red Balance",
                    Value::String(red_print),
                ));
                result.push(mk_composite(
                    "BlueBalance",
                    "Blue Balance",
                    Value::String(blue_print),
                ));
            }
        }
    }

    // Panasonic: WBRedLevel, WBGreenLevel, WBBlueLevel as separate EXIF tags
    // Perl: RedBalance = $r/$g, BlueBalance = $b/$g (from Exif.pm Composite::RedBalance)
    if result.is_empty() {
        let r_tag = find_tag(tags, "WBRedLevel").and_then(|t| t.raw_value.as_f64());
        let g_tag = find_tag(tags, "WBGreenLevel").and_then(|t| t.raw_value.as_f64());
        let b_tag = find_tag(tags, "WBBlueLevel").and_then(|t| t.raw_value.as_f64());
        if let (Some(r), Some(g), Some(b)) = (r_tag, g_tag, b_tag) {
            if g > 0.0 {
                // Perl formula: int($val * 1e6 + 0.5) * 1e-6 (from Exif.pm)
                let red_bal = (r / g * 1e6 + 0.5) as i64 as f64 * 1e-6;
                let blue_bal = (b / g * 1e6 + 0.5) as i64 as f64 * 1e-6;
                result.push(mk_composite(
                    "RedBalance",
                    "Red Balance",
                    Value::String(crate::value::format_g15(red_bal)),
                ));
                result.push(mk_composite(
                    "BlueBalance",
                    "Blue Balance",
                    Value::String(crate::value::format_g15(blue_bal)),
                ));
            }
        }
    }

    if result.is_empty() {
        None
    } else {
        Some(result)
    }
}

/// Panasonic AdvancedSceneMode composite.
/// Perl: Require => Model + SceneMode + AdvancedSceneType
/// Key = "SceneMode AdvancedSceneType" (raw integer values), optionally prefixed by model.
fn compute_panasonic_advanced_scene_mode(tags: &[Tag]) -> Option<Tag> {
    // Require all three
    let model = find_tag_value(tags, "Model")?;
    // Need SceneMode raw value (integer) and AdvancedSceneType raw value (integer)
    let scene_mode_raw = find_tag(tags, "SceneMode")
        .and_then(|t| t.raw_value.as_u64())
        .unwrap_or(0);
    let adv_type_raw = find_tag(tags, "AdvancedSceneType")
        .and_then(|t| t.raw_value.as_u64())
        .unwrap_or(1);

    // Check it's a Panasonic camera (Make = Panasonic or Leica)
    let make = find_tag_value(tags, "Make").unwrap_or_default();
    if !make.contains("Panasonic") && !make.contains("Leica") {
        return None;
    }

    // Perl PrintConv: first try model-specific key, then generic key
    let _model_key = format!("{} {} {}", model, scene_mode_raw, adv_type_raw);
    let generic_key = format!("{} {}", scene_mode_raw, adv_type_raw);

    // Model-specific table (only DMC-TZ40 entries in Perl)
    let model_val = if model == "DMC-TZ40" {
        match generic_key.as_str() {
            "90 1" => Some("Expressive"),
            "90 2" => Some("Retro"),
            "90 3" => Some("High Key"),
            "90 4" => Some("Sepia"),
            "90 5" => Some("High Dynamic"),
            "90 6" => Some("Miniature"),
            "90 9" => Some("Low Key"),
            "90 10" => Some("Toy Effect"),
            "90 11" => Some("Dynamic Monochrome"),
            "90 12" => Some("Soft"),
            _ => None,
        }
    } else {
        None
    };

    let print_val = if let Some(v) = model_val {
        v.to_string()
    } else {
        // Generic table lookup
        match generic_key.as_str() {
            "0 1" => "Off".to_string(),
            "2 2" => "Outdoor Portrait".to_string(),
            "2 3" => "Indoor Portrait".to_string(),
            "2 4" => "Creative Portrait".to_string(),
            "3 2" => "Nature".to_string(),
            "3 3" => "Architecture".to_string(),
            "3 4" => "Creative Scenery".to_string(),
            "4 2" => "Outdoor Sports".to_string(),
            "4 3" => "Indoor Sports".to_string(),
            "4 4" => "Creative Sports".to_string(),
            "9 2" => "Flower".to_string(),
            "9 3" => "Objects".to_string(),
            "9 4" => "Creative Macro".to_string(),
            "18 1" => "High Sensitivity".to_string(),
            "20 1" => "Fireworks".to_string(),
            "21 2" => "Illuminations".to_string(),
            "21 4" => "Creative Night Scenery".to_string(),
            "26 1" => "High-speed Burst (shot 1)".to_string(),
            "27 1" => "High-speed Burst (shot 2)".to_string(),
            "29 1" => "Snow".to_string(),
            "30 1" => "Starry Sky".to_string(),
            "31 1" => "Beach".to_string(),
            "36 1" => "High-speed Burst (shot 3)".to_string(),
            "39 1" => "Aerial Photo / Underwater / Multi-aspect".to_string(),
            "45 2" => "Cinema".to_string(),
            "45 7" => "Expressive".to_string(),
            "45 8" => "Retro".to_string(),
            "45 9" => "Pure".to_string(),
            "45 10" => "Elegant".to_string(),
            "45 12" => "Monochrome".to_string(),
            "45 13" => "Dynamic Art".to_string(),
            "45 14" => "Silhouette".to_string(),
            "51 2" => "HDR Art".to_string(),
            "51 3" => "HDR B&W".to_string(),
            "59 1" => "Expressive".to_string(),
            "59 2" => "Retro".to_string(),
            "59 3" => "High Key".to_string(),
            "59 4" => "Sepia".to_string(),
            "59 5" => "High Dynamic".to_string(),
            "59 6" => "Miniature".to_string(),
            "59 9" => "Low Key".to_string(),
            "59 10" => "Toy Effect".to_string(),
            "59 11" => "Dynamic Monochrome".to_string(),
            "59 12" => "Soft".to_string(),
            "66 1" => "Impressive Art".to_string(),
            "66 2" => "Cross Process".to_string(),
            "66 3" => "Color Select".to_string(),
            "66 4" => "Star".to_string(),
            "90 3" => "Old Days".to_string(),
            "90 4" => "Sunshine".to_string(),
            "90 5" => "Bleach Bypass".to_string(),
            "90 6" => "Toy Pop".to_string(),
            "90 7" => "Fantasy".to_string(),
            "90 8" => "Monochrome".to_string(),
            "90 9" => "Rough Monochrome".to_string(),
            "90 10" => "Silky Monochrome".to_string(),
            "92 1" => "Handheld Night Shot".to_string(),
            _ => {
                // OTHER handler: lookup shooting mode name, add AdvancedSceneType modifier
                // shootingMode table (Panasonic.pm %shootingMode)
                let shooting_mode_name = panasonic_shooting_mode(scene_mode_raw);
                if let Some(name) = shooting_mode_name {
                    match adv_type_raw {
                        1 => name.to_string(),
                        5 => format!("{} (intelligent auto)", name),
                        7 => format!("{} (intelligent auto plus)", name),
                        n => format!("{} ({})", name, n),
                    }
                } else {
                    format!("Unknown ({} {})", scene_mode_raw, adv_type_raw)
                }
            }
        }
    };

    // Raw value: "Model SceneMode AdvancedSceneType" (Perl ValueConv)
    let raw_str = format!("{} {} {}", model, scene_mode_raw, adv_type_raw);
    Some(mk_composite_raw(
        "AdvancedSceneMode",
        "Advanced Scene Mode",
        Value::String(raw_str),
        print_val,
    ))
}

/// Panasonic ShootingMode/SceneMode name lookup (from %shootingMode in Panasonic.pm)
fn panasonic_shooting_mode(val: u64) -> Option<&'static str> {
    match val {
        1 => Some("Normal"),
        2 => Some("Portrait"),
        3 => Some("Scenery"),
        4 => Some("Sports"),
        5 => Some("Night Portrait"),
        6 => Some("Program"),
        7 => Some("Aperture Priority"),
        8 => Some("Shutter Priority"),
        9 => Some("Macro"),
        10 => Some("Spot"),
        11 => Some("Manual"),
        12 => Some("Movie Preview"),
        13 => Some("Panning"),
        14 => Some("Simple"),
        15 => Some("Color Effects"),
        16 => Some("Self Portrait"),
        17 => Some("Economy"),
        18 => Some("Fireworks"),
        19 => Some("Party"),
        20 => Some("Snow"),
        21 => Some("Night Scenery"),
        22 => Some("Food"),
        23 => Some("Baby"),
        24 => Some("Soft Skin"),
        25 => Some("Candlelight"),
        26 => Some("Starry Night"),
        27 => Some("High Sensitivity"),
        28 => Some("Panorama Assist"),
        29 => Some("Underwater"),
        30 => Some("Beach"),
        31 => Some("Aerial Photo"),
        32 => Some("Sunset"),
        33 => Some("Pet"),
        34 => Some("Intelligent ISO"),
        35 => Some("Clipboard"),
        36 => Some("High Speed Continuous Shooting"),
        37 => Some("Intelligent Auto"),
        39 => Some("Multi-aspect"),
        41 => Some("Transform"),
        42 => Some("Flash Burst"),
        43 => Some("Pin Hole"),
        44 => Some("Film Grain"),
        45 => Some("My Color"),
        46 => Some("Photo Frame"),
        48 => Some("Movie"),
        51 => Some("HDR"),
        52 => Some("Peripheral Defocus"),
        55 => Some("Handheld Night Shot"),
        57 => Some("3D"),
        59 => Some("Creative Control"),
        60 => Some("Intelligent Auto Plus"),
        62 => Some("Panorama"),
        63 => Some("Glass Through"),
        64 => Some("HDR"),
        66 => Some("Digital Filter"),
        67 => Some("Clear Portrait"),
        68 => Some("Silky Skin"),
        69 => Some("Backlit Softness"),
        70 => Some("Clear in Backlight"),
        71 => Some("Relaxing Tone"),
        72 => Some("Sweet Child's Face"),
        73 => Some("Distinct Scenery"),
        74 => Some("Bright Blue Sky"),
        75 => Some("Romantic Sunset Glow"),
        76 => Some("Vivid Sunset Glow"),
        77 => Some("Glistening Water"),
        78 => Some("Clear Nightscape"),
        79 => Some("Cool Night Sky"),
        _ => None,
    }
}

/// Compute Depth of Field.
/// Compute DOF using exact Perl ExifTool formula from Exif.pm line 4775.
/// Require: FocalLength, Aperture (=FNumber), CircleOfConfusion
/// Desire: FocusDistance, SubjectDistance, FocusDistanceLower/Upper
fn compute_dof(tags: &[Tag]) -> Option<Vec<Tag>> {
    let f = find_tag_f64(tags, "FocalLength")?; // mm
    let aperture = find_tag_f64(tags, "FNumber")?;
    let coc = find_tag_f64(tags, "CircleOfConfusion").or_else(|| {
        find_tag_value(tags, "CircleOfConfusion")
            .and_then(|s| s.split_whitespace().next()?.parse::<f64>().ok())
    })?;

    if f <= 0.0 || coc <= 0.0 {
        return None;
    }

    // Find focus distance (meters). Try multiple sources like Perl does.
    let d = find_tag_f64(tags, "FocusDistance")
        .or_else(|| {
            find_tag_value(tags, "FocusDistance")
                .and_then(|s| s.split_whitespace().next()?.parse().ok())
        })
        // Perl: $val[4] || $val[5] || $val[6] — 0 means "not available" for these
        .or_else(|| find_tag_f64(tags, "SubjectDistance").filter(|&v| v > 0.0))
        .or_else(|| {
            find_tag_f64(tags, "ObjectDistance")
                .filter(|&v| v > 0.0)
                .or_else(|| {
                    find_tag_value(tags, "ObjectDistance")
                        .and_then(|s| s.split_whitespace().next()?.parse().ok())
                        .filter(|&v: &f64| v > 0.0)
                })
        })
        .or_else(|| {
            find_tag_f64(tags, "ApproximateFocusDistance")
                .filter(|&v| v > 0.0)
                .or_else(|| {
                    find_tag_value(tags, "ApproximateFocusDistance")
                        .and_then(|s| s.split_whitespace().next()?.parse().ok())
                        .filter(|&v: &f64| v > 0.0)
                })
        })
        .or_else(|| {
            let upper = find_tag_f64(tags, "FocusDistanceUpper").or_else(|| {
                find_tag_value(tags, "FocusDistanceUpper")
                    .and_then(|s| s.split_whitespace().next()?.parse().ok())
            });
            let lower = find_tag_f64(tags, "FocusDistanceLower").or_else(|| {
                find_tag_value(tags, "FocusDistanceLower")
                    .and_then(|s| s.split_whitespace().next()?.parse().ok())
            });
            match (upper, lower) {
                (Some(u), Some(l)) => Some((u + l) / 2.0),
                _ => None,
            }
        });

    // Require focus distance (return None if missing)
    let d = d?;
    let d = if d == 0.0 { 1e10 } else { d }; // 0 = infinity

    // Perl formula: t = aperture * coc * (d*1000 - f) / (f * f)
    let t = aperture * coc * (d * 1000.0 - f) / (f * f);
    let near = d / (1.0 + t);
    let mut far = d / (1.0 - t);
    if far < 0.0 {
        far = 0.0;
    } // 0 means infinity

    let dof_str = if far == 0.0 {
        format!("inf ({:.2} m - inf)", near)
    } else {
        let dof = far - near;
        if dof > 0.0 && dof < 0.02 {
            format!("{:.3} m ({:.3} - {:.3} m)", dof, near, far)
        } else {
            format!("{:.2} m ({:.2} - {:.2} m)", dof, near, far)
        }
    };

    Some(vec![mk_composite(
        "DOF",
        "Depth of Field",
        Value::String(dof_str),
    )])
}

/// Reverse geocode GPS position using Geolocation.dat.
fn compute_geolocation(tags: &[Tag]) -> Option<Vec<Tag>> {
    use crate::geolocation::GeolocationDb;
    use std::sync::OnceLock;

    // Parse GPS coordinates
    let lat_tag = find_tag(tags, "GPSLatitude")?;
    let lon_tag = find_tag(tags, "GPSLongitude")?;
    let lat_ref = find_tag_value(tags, "GPSLatitudeRef").unwrap_or_default();
    let lon_ref = find_tag_value(tags, "GPSLongitudeRef").unwrap_or_default();

    let lat = parse_gps_decimal(&lat_tag.raw_value, &lat_ref)?;
    let lon = parse_gps_decimal(&lon_tag.raw_value, &lon_ref)?;

    // Load database (cached via OnceLock)
    static DB: OnceLock<Option<GeolocationDb>> = OnceLock::new();
    let db = DB.get_or_init(GeolocationDb::load_default);

    let db = db.as_ref()?;
    let city = db.find_nearest(lat, lon)?;

    let mut geo_tags = Vec::new();
    geo_tags.push(mk_composite(
        "GPSCity",
        "GPS City",
        Value::String(city.name.clone()),
    ));
    geo_tags.push(mk_composite(
        "GPSCountryCode",
        "GPS Country Code",
        Value::String(city.country_code.clone()),
    ));
    geo_tags.push(mk_composite(
        "GPSCountry",
        "GPS Country",
        Value::String(city.country.clone()),
    ));
    if !city.region.is_empty() {
        geo_tags.push(mk_composite(
            "GPSRegion",
            "GPS Region",
            Value::String(city.region.clone()),
        ));
    }
    if !city.subregion.is_empty() {
        geo_tags.push(mk_composite(
            "GPSSubregion",
            "GPS Subregion",
            Value::String(city.subregion.clone()),
        ));
    }
    if !city.timezone.is_empty() {
        geo_tags.push(mk_composite(
            "GPSTimezone",
            "GPS Timezone",
            Value::String(city.timezone.clone()),
        ));
    }

    Some(geo_tags)
}

fn parse_gps_decimal(value: &Value, reference: &str) -> Option<f64> {
    let decimal = match value {
        Value::List(items) if items.len() >= 3 => {
            let deg = items[0].as_f64()?;
            let min = items[1].as_f64()?;
            let sec = items[2].as_f64()?;
            deg + min / 60.0 + sec / 3600.0
        }
        Value::URational(n, d) if *d > 0 => *n as f64 / *d as f64,
        _ => return None,
    };
    let sign = if reference == "S" || reference == "W" {
        -1.0
    } else {
        1.0
    };
    Some(decimal * sign)
}

/// Compute Hyperfocal Distance: H = f² / (N × c) + f
/// Requires CircleOfConfusion from composites (not hardcoded).
fn compute_hyperfocal(tags: &[Tag]) -> Option<Tag> {
    let fl = find_tag_f64(tags, "FocalLength")?;
    let fnum = find_tag_f64(tags, "FNumber")?;

    if fl <= 0.0 || fnum <= 0.0 {
        return None;
    }

    // Get CircleOfConfusion from composites
    let coc = find_tag_f64(tags, "CircleOfConfusion").or_else(|| {
        find_tag_value(tags, "CircleOfConfusion")
            .and_then(|s| s.split_whitespace().next()?.parse::<f64>().ok())
    })?;

    if coc <= 0.0 {
        return None;
    }

    // Perl formula: $val[0]^2 / ($val[1] * $val[2] * 1000)
    // where val[0]=FocalLength(mm), val[1]=Aperture(f-number), val[2]=CoC(mm)
    // The /1000 converts from mm to m (result directly in m, no need to divide again)
    let h_m = (fl * fl) / (fnum * coc * 1000.0);

    Some(mk_composite(
        "HyperfocalDistance",
        "Hyperfocal Distance",
        Value::String(format!("{:.2} m", h_m)),
    ))
}

fn mk_composite_raw(name: &str, description: &str, value: Value, print_value: String) -> Tag {
    Tag {
        id: TagId::Text(name.to_string()),
        name: name.to_string(),
        description: description.to_string(),
        group: TagGroup {
            family0: "Composite".to_string(),
            family1: "Composite".to_string(),
            family2: "Other".to_string(),
        },
        raw_value: value,
        print_value,
        priority: 0,
    }
}

fn mk_composite(name: &str, description: &str, value: Value) -> Tag {
    let pv = value.to_display_string();
    Tag {
        id: TagId::Text(name.to_string()),
        name: name.to_string(),
        description: description.to_string(),
        group: TagGroup {
            family0: "Composite".to_string(),
            family1: "Composite".to_string(),
            family2: "Other".to_string(),
        },
        raw_value: value,
        print_value: pv,
        priority: 0,
    }
}

/// Compute Nikon LensID from lens data tags.
/// Perl: ValueConv => 'sprintf("%.2X"." %.2X"x7, @raw)', PrintConv => \%nikonLensIDs
/// The 8 raw bytes are: LensIDNumber, LensFStops, MinFocalLength, MaxFocalLength,
/// MaxApertureAtMinFocal, MaxApertureAtMaxFocal, MCUVersion, LensType
fn compute_nikon_lens_id(tags: &[Tag]) -> Option<String> {
    // Byte 0: LensIDNumber (raw integer value)
    let lens_id_num = find_tag(tags, "LensIDNumber").and_then(|t| {
        t.raw_value
            .as_u64()
            .or_else(|| t.print_value.trim().parse::<u64>().ok())
    })? as u8;

    // Byte 1: LensFStops raw byte
    // From main Nikon tag 0x008B (undef[4]): bytes a,b,c,d → val = a*(b/c)
    // The raw byte for LensID key = byte 0 of the Undefined value (= a)
    let lens_fstops_byte = find_tag(tags, "LensFStops")
        .and_then(|t| {
            match &t.raw_value {
                Value::Undefined(bytes) if !bytes.is_empty() => Some(bytes[0]),
                _ => {
                    // Fall back: reverse from print value (val * 12)
                    t.print_value
                        .trim()
                        .parse::<f64>()
                        .ok()
                        .map(|v| (v * 12.0).round() as u8)
                }
            }
        })
        .unwrap_or(0);

    // Byte 2: MinFocalLength raw byte — reverse: 24 * log2(val/5)
    let min_focal_byte = find_tag(tags, "MinFocalLength")
        .and_then(|t| {
            t.raw_value
                .as_f64()
                .or_else(|| t.print_value.split_whitespace().next()?.parse::<f64>().ok())
                .filter(|&v| v > 0.0)
                .map(|v| (24.0 * (v / 5.0).log2()).round() as u8)
        })
        .unwrap_or(0);

    // Byte 3: MaxFocalLength raw byte — reverse: 24 * log2(val/5)
    let max_focal_byte = find_tag(tags, "MaxFocalLength")
        .and_then(|t| {
            t.raw_value
                .as_f64()
                .or_else(|| t.print_value.split_whitespace().next()?.parse::<f64>().ok())
                .filter(|&v| v > 0.0)
                .map(|v| (24.0 * (v / 5.0).log2()).round() as u8)
        })
        .unwrap_or(0);

    // Byte 4: MaxApertureAtMinFocal raw byte — reverse: 24 * log2(val)
    let max_apt_min_byte = find_tag(tags, "MaxApertureAtMinFocal")
        .and_then(|t| {
            t.raw_value
                .as_f64()
                .or_else(|| t.print_value.trim().parse::<f64>().ok())
                .filter(|&v| v > 0.0)
                .map(|v| (24.0 * v.log2()).round() as u8)
        })
        .unwrap_or(0);

    // Byte 5: MaxApertureAtMaxFocal raw byte — reverse: 24 * log2(val)
    let max_apt_max_byte = find_tag(tags, "MaxApertureAtMaxFocal")
        .and_then(|t| {
            t.raw_value
                .as_f64()
                .or_else(|| t.print_value.trim().parse::<f64>().ok())
                .filter(|&v| v > 0.0)
                .map(|v| (24.0 * v.log2()).round() as u8)
        })
        .unwrap_or(0);

    // Byte 6: MCUVersion (raw integer; may be wrong due to makernotes offset issue)
    let mcu_version_byte = find_tag(tags, "MCUVersion")
        .and_then(|t| {
            t.raw_value
                .as_u64()
                .or_else(|| t.print_value.trim().parse::<u64>().ok())
        })
        .unwrap_or(0) as u8;

    // Byte 7: LensType (raw integer value, lower byte)
    let lens_type_byte = find_tag(tags, "LensType")
        .and_then(|t| {
            t.raw_value
                .as_u64()
                .or_else(|| t.print_value.trim().parse::<u64>().ok())
        })
        .unwrap_or(0) as u8;

    let key = [
        lens_id_num,
        lens_fstops_byte,
        min_focal_byte,
        max_focal_byte,
        max_apt_min_byte,
        max_apt_max_byte,
        mcu_version_byte,
        lens_type_byte,
    ];

    nikon_lens_id_lookup(&key)
}

/// Look up Nikon lens name from 8-byte key.
/// First tries exact match, then partial match ignoring byte 6 (MCUVersion).
fn nikon_lens_id_lookup(key: &[u8; 8]) -> Option<String> {
    // Try exact match first
    for &(ref k, name) in NIKON_LENS_IDS {
        if k == key {
            return Some(name.to_string());
        }
    }
    // Partial match: ignore byte 6 (MCUVersion may not be stored correctly)
    // Match on bytes 0,1,2,3,4,5,7
    let mut matches: Vec<&str> = Vec::new();
    for &(ref k, name) in NIKON_LENS_IDS {
        if k[0] == key[0]
            && k[1] == key[1]
            && k[2] == key[2]
            && k[3] == key[3]
            && k[4] == key[4]
            && k[5] == key[5]
            && k[7] == key[7]
        {
            matches.push(name);
        }
    }
    if matches.len() == 1 {
        return Some(matches[0].to_string());
    }
    None
}

/// Nikon lens ID lookup table.
/// Keys are 8 bytes: LensIDNumber, LensFStops, MinFocalLength, MaxFocalLength,
/// MaxApertureAtMinFocal, MaxApertureAtMaxFocal, MCUVersion, LensType.
/// From Perl ExifTool Nikon.pm %nikonLensIDs.
static NIKON_LENS_IDS: &[([u8; 8], &str)] = &[
    (
        [0x01, 0x58, 0x50, 0x50, 0x14, 0x14, 0x02, 0x00],
        "AF Nikkor 50mm f/1.8",
    ),
    (
        [0x01, 0x58, 0x50, 0x50, 0x14, 0x14, 0x05, 0x00],
        "AF Nikkor 50mm f/1.8",
    ),
    (
        [0x02, 0x42, 0x44, 0x5C, 0x2A, 0x34, 0x02, 0x00],
        "AF Zoom-Nikkor 35-70mm f/3.3-4.5",
    ),
    (
        [0x02, 0x42, 0x44, 0x5C, 0x2A, 0x34, 0x08, 0x00],
        "AF Zoom-Nikkor 35-70mm f/3.3-4.5",
    ),
    (
        [0x03, 0x48, 0x5C, 0x81, 0x30, 0x30, 0x02, 0x00],
        "AF Zoom-Nikkor 70-210mm f/4",
    ),
    (
        [0x04, 0x48, 0x3C, 0x3C, 0x24, 0x24, 0x03, 0x00],
        "AF Nikkor 28mm f/2.8",
    ),
    (
        [0x05, 0x54, 0x50, 0x50, 0x0C, 0x0C, 0x04, 0x00],
        "AF Nikkor 50mm f/1.4",
    ),
    (
        [0x06, 0x54, 0x53, 0x53, 0x24, 0x24, 0x06, 0x00],
        "AF Micro-Nikkor 55mm f/2.8",
    ),
    (
        [0x07, 0x40, 0x3C, 0x62, 0x2C, 0x34, 0x03, 0x00],
        "AF Zoom-Nikkor 28-85mm f/3.5-4.5",
    ),
    (
        [0x08, 0x40, 0x44, 0x6A, 0x2C, 0x34, 0x04, 0x00],
        "AF Zoom-Nikkor 35-105mm f/3.5-4.5",
    ),
    (
        [0x09, 0x48, 0x37, 0x37, 0x24, 0x24, 0x04, 0x00],
        "AF Nikkor 24mm f/2.8",
    ),
    (
        [0x0A, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0x03, 0x00],
        "AF Nikkor 300mm f/2.8 IF-ED",
    ),
    (
        [0x0A, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0x05, 0x00],
        "AF Nikkor 300mm f/2.8 IF-ED N",
    ),
    (
        [0x0B, 0x48, 0x7C, 0x7C, 0x24, 0x24, 0x05, 0x00],
        "AF Nikkor 180mm f/2.8 IF-ED",
    ),
    (
        [0x0D, 0x40, 0x44, 0x72, 0x2C, 0x34, 0x07, 0x00],
        "AF Zoom-Nikkor 35-135mm f/3.5-4.5",
    ),
    (
        [0x0E, 0x48, 0x5C, 0x81, 0x30, 0x30, 0x05, 0x00],
        "AF Zoom-Nikkor 70-210mm f/4",
    ),
    (
        [0x0F, 0x58, 0x50, 0x50, 0x14, 0x14, 0x05, 0x00],
        "AF Nikkor 50mm f/1.8 N",
    ),
    (
        [0x10, 0x48, 0x8E, 0x8E, 0x30, 0x30, 0x08, 0x00],
        "AF Nikkor 300mm f/4 IF-ED",
    ),
    (
        [0x11, 0x48, 0x44, 0x5C, 0x24, 0x24, 0x08, 0x00],
        "AF Zoom-Nikkor 35-70mm f/2.8",
    ),
    (
        [0x11, 0x48, 0x44, 0x5C, 0x24, 0x24, 0x15, 0x00],
        "AF Zoom-Nikkor 35-70mm f/2.8",
    ),
    (
        [0x12, 0x48, 0x5C, 0x81, 0x30, 0x3C, 0x09, 0x00],
        "AF Nikkor 70-210mm f/4-5.6",
    ),
    (
        [0x13, 0x42, 0x37, 0x50, 0x2A, 0x34, 0x0B, 0x00],
        "AF Zoom-Nikkor 24-50mm f/3.3-4.5",
    ),
    (
        [0x14, 0x48, 0x60, 0x80, 0x24, 0x24, 0x0B, 0x00],
        "AF Zoom-Nikkor 80-200mm f/2.8 ED",
    ),
    (
        [0x15, 0x4C, 0x62, 0x62, 0x14, 0x14, 0x0C, 0x00],
        "AF Nikkor 85mm f/1.8",
    ),
    (
        [0x17, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0x0F, 0x00],
        "Nikkor 500mm f/4 P ED IF",
    ),
    (
        [0x17, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0x11, 0x00],
        "Nikkor 500mm f/4 P ED IF",
    ),
    (
        [0x18, 0x40, 0x44, 0x72, 0x2C, 0x34, 0x0E, 0x00],
        "AF Zoom-Nikkor 35-135mm f/3.5-4.5 N",
    ),
    (
        [0x1A, 0x54, 0x44, 0x44, 0x18, 0x18, 0x11, 0x00],
        "AF Nikkor 35mm f/2",
    ),
    (
        [0x1B, 0x44, 0x5E, 0x8E, 0x34, 0x3C, 0x10, 0x00],
        "AF Zoom-Nikkor 75-300mm f/4.5-5.6",
    ),
    (
        [0x1C, 0x48, 0x30, 0x30, 0x24, 0x24, 0x12, 0x00],
        "AF Nikkor 20mm f/2.8",
    ),
    (
        [0x1D, 0x42, 0x44, 0x5C, 0x2A, 0x34, 0x12, 0x00],
        "AF Zoom-Nikkor 35-70mm f/3.3-4.5 N",
    ),
    (
        [0x1E, 0x54, 0x56, 0x56, 0x24, 0x24, 0x13, 0x00],
        "AF Micro-Nikkor 60mm f/2.8",
    ),
    (
        [0x1F, 0x54, 0x6A, 0x6A, 0x24, 0x24, 0x14, 0x00],
        "AF Micro-Nikkor 105mm f/2.8",
    ),
    (
        [0x20, 0x48, 0x60, 0x80, 0x24, 0x24, 0x15, 0x00],
        "AF Zoom-Nikkor 80-200mm f/2.8 ED",
    ),
    (
        [0x21, 0x40, 0x3C, 0x5C, 0x2C, 0x34, 0x16, 0x00],
        "AF Zoom-Nikkor 28-70mm f/3.5-4.5",
    ),
    (
        [0x22, 0x48, 0x72, 0x72, 0x18, 0x18, 0x16, 0x00],
        "AF DC-Nikkor 135mm f/2",
    ),
    (
        [0x23, 0x30, 0xBE, 0xCA, 0x3C, 0x48, 0x17, 0x00],
        "Zoom-Nikkor 1200-1700mm f/5.6-8 P ED IF",
    ),
    (
        [0x24, 0x48, 0x60, 0x80, 0x24, 0x24, 0x1A, 0x02],
        "AF Zoom-Nikkor 80-200mm f/2.8D ED",
    ),
    (
        [0x25, 0x48, 0x44, 0x5C, 0x24, 0x24, 0x1B, 0x02],
        "AF Zoom-Nikkor 35-70mm f/2.8D",
    ),
    (
        [0x25, 0x48, 0x44, 0x5C, 0x24, 0x24, 0x3A, 0x02],
        "AF Zoom-Nikkor 35-70mm f/2.8D",
    ),
    (
        [0x25, 0x48, 0x44, 0x5C, 0x24, 0x24, 0x52, 0x02],
        "AF Zoom-Nikkor 35-70mm f/2.8D",
    ),
    (
        [0x26, 0x40, 0x3C, 0x5C, 0x2C, 0x34, 0x1C, 0x02],
        "AF Zoom-Nikkor 28-70mm f/3.5-4.5D",
    ),
    (
        [0x27, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0x1D, 0x02],
        "AF-I Nikkor 300mm f/2.8D IF-ED",
    ),
    (
        [0x27, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0xF1, 0x02],
        "AF-I Nikkor 300mm f/2.8D IF-ED + TC-14E",
    ),
    (
        [0x27, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0xE1, 0x02],
        "AF-I Nikkor 300mm f/2.8D IF-ED + TC-17E",
    ),
    (
        [0x27, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0xF2, 0x02],
        "AF-I Nikkor 300mm f/2.8D IF-ED + TC-20E",
    ),
    (
        [0x28, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0x1D, 0x02],
        "AF-I Nikkor 600mm f/4D IF-ED",
    ),
    (
        [0x28, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0xF1, 0x02],
        "AF-I Nikkor 600mm f/4D IF-ED + TC-14E",
    ),
    (
        [0x28, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0xE1, 0x02],
        "AF-I Nikkor 600mm f/4D IF-ED + TC-17E",
    ),
    (
        [0x28, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0xF2, 0x02],
        "AF-I Nikkor 600mm f/4D IF-ED + TC-20E",
    ),
    (
        [0x2A, 0x54, 0x3C, 0x3C, 0x0C, 0x0C, 0x26, 0x02],
        "AF Nikkor 28mm f/1.4D",
    ),
    (
        [0x2B, 0x3C, 0x44, 0x60, 0x30, 0x3C, 0x1F, 0x02],
        "AF Zoom-Nikkor 35-80mm f/4-5.6D",
    ),
    (
        [0x2C, 0x48, 0x6A, 0x6A, 0x18, 0x18, 0x27, 0x02],
        "AF DC-Nikkor 105mm f/2D",
    ),
    (
        [0x2D, 0x48, 0x80, 0x80, 0x30, 0x30, 0x21, 0x02],
        "AF Micro-Nikkor 200mm f/4D IF-ED",
    ),
    (
        [0x2E, 0x48, 0x5C, 0x82, 0x30, 0x3C, 0x22, 0x02],
        "AF Nikkor 70-210mm f/4-5.6D",
    ),
    (
        [0x2E, 0x48, 0x5C, 0x82, 0x30, 0x3C, 0x28, 0x02],
        "AF Nikkor 70-210mm f/4-5.6D",
    ),
    (
        [0x30, 0x48, 0x98, 0x98, 0x24, 0x24, 0x24, 0x02],
        "AF-I Nikkor 400mm f/2.8D IF-ED",
    ),
    (
        [0x30, 0x48, 0x98, 0x98, 0x24, 0x24, 0xF1, 0x02],
        "AF-I Nikkor 400mm f/2.8D IF-ED + TC-14E",
    ),
    (
        [0x30, 0x48, 0x98, 0x98, 0x24, 0x24, 0xE1, 0x02],
        "AF-I Nikkor 400mm f/2.8D IF-ED + TC-17E",
    ),
    (
        [0x30, 0x48, 0x98, 0x98, 0x24, 0x24, 0xF2, 0x02],
        "AF-I Nikkor 400mm f/2.8D IF-ED + TC-20E",
    ),
    (
        [0x31, 0x54, 0x56, 0x56, 0x24, 0x24, 0x25, 0x02],
        "AF Micro-Nikkor 60mm f/2.8D",
    ),
    (
        [0x33, 0x48, 0x2D, 0x2D, 0x24, 0x24, 0x31, 0x02],
        "AF Nikkor 18mm f/2.8D",
    ),
    (
        [0x34, 0x48, 0x29, 0x29, 0x24, 0x24, 0x32, 0x02],
        "AF Fisheye Nikkor 16mm f/2.8D",
    ),
    (
        [0x35, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0x33, 0x02],
        "AF-I Nikkor 500mm f/4D IF-ED",
    ),
    (
        [0x35, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0xF1, 0x02],
        "AF-I Nikkor 500mm f/4D IF-ED + TC-14E",
    ),
    (
        [0x35, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0xE1, 0x02],
        "AF-I Nikkor 500mm f/4D IF-ED + TC-17E",
    ),
    (
        [0x35, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0xF2, 0x02],
        "AF-I Nikkor 500mm f/4D IF-ED + TC-20E",
    ),
    (
        [0x36, 0x48, 0x37, 0x37, 0x24, 0x24, 0x34, 0x02],
        "AF Nikkor 24mm f/2.8D",
    ),
    (
        [0x37, 0x48, 0x30, 0x30, 0x24, 0x24, 0x36, 0x02],
        "AF Nikkor 20mm f/2.8D",
    ),
    (
        [0x38, 0x4C, 0x62, 0x62, 0x14, 0x14, 0x37, 0x02],
        "AF Nikkor 85mm f/1.8D",
    ),
    (
        [0x3A, 0x40, 0x3C, 0x5C, 0x2C, 0x34, 0x39, 0x02],
        "AF Zoom-Nikkor 28-70mm f/3.5-4.5D",
    ),
    (
        [0x3B, 0x48, 0x44, 0x5C, 0x24, 0x24, 0x3A, 0x02],
        "AF Zoom-Nikkor 35-70mm f/2.8D N",
    ),
    (
        [0x3C, 0x48, 0x60, 0x80, 0x24, 0x24, 0x3B, 0x02],
        "AF Zoom-Nikkor 80-200mm f/2.8D ED",
    ),
    (
        [0x3D, 0x3C, 0x44, 0x60, 0x30, 0x3C, 0x3E, 0x02],
        "AF Zoom-Nikkor 35-80mm f/4-5.6D",
    ),
    (
        [0x3E, 0x48, 0x3C, 0x3C, 0x24, 0x24, 0x3D, 0x02],
        "AF Nikkor 28mm f/2.8D",
    ),
    (
        [0x3F, 0x40, 0x44, 0x6A, 0x2C, 0x34, 0x45, 0x02],
        "AF Zoom-Nikkor 35-105mm f/3.5-4.5D",
    ),
    (
        [0x41, 0x48, 0x7C, 0x7C, 0x24, 0x24, 0x43, 0x02],
        "AF Nikkor 180mm f/2.8D IF-ED",
    ),
    (
        [0x42, 0x54, 0x44, 0x44, 0x18, 0x18, 0x44, 0x02],
        "AF Nikkor 35mm f/2D",
    ),
    (
        [0x43, 0x54, 0x50, 0x50, 0x0C, 0x0C, 0x46, 0x02],
        "AF Nikkor 50mm f/1.4D",
    ),
    (
        [0x44, 0x44, 0x60, 0x80, 0x34, 0x3C, 0x47, 0x02],
        "AF Zoom-Nikkor 80-200mm f/4.5-5.6D",
    ),
    (
        [0x45, 0x40, 0x3C, 0x60, 0x2C, 0x3C, 0x48, 0x02],
        "AF Zoom-Nikkor 28-80mm f/3.5-5.6D",
    ),
    (
        [0x46, 0x3C, 0x44, 0x60, 0x30, 0x3C, 0x49, 0x02],
        "AF Zoom-Nikkor 35-80mm f/4-5.6D N",
    ),
    (
        [0x47, 0x42, 0x37, 0x50, 0x2A, 0x34, 0x4A, 0x02],
        "AF Zoom-Nikkor 24-50mm f/3.3-4.5D",
    ),
    (
        [0x48, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0x4B, 0x02],
        "AF-S Nikkor 300mm f/2.8D IF-ED",
    ),
    (
        [0x48, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0xF1, 0x02],
        "AF-S Nikkor 300mm f/2.8D IF-ED + TC-14E",
    ),
    (
        [0x48, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0xE1, 0x02],
        "AF-S Nikkor 300mm f/2.8D IF-ED + TC-17E",
    ),
    (
        [0x48, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0xF2, 0x02],
        "AF-S Nikkor 300mm f/2.8D IF-ED + TC-20E",
    ),
    (
        [0x49, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0x4C, 0x02],
        "AF-S Nikkor 600mm f/4D IF-ED",
    ),
    (
        [0x49, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0xF1, 0x02],
        "AF-S Nikkor 600mm f/4D IF-ED + TC-14E",
    ),
    (
        [0x49, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0xE1, 0x02],
        "AF-S Nikkor 600mm f/4D IF-ED + TC-17E",
    ),
    (
        [0x49, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0xF2, 0x02],
        "AF-S Nikkor 600mm f/4D IF-ED + TC-20E",
    ),
    (
        [0x4A, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0x4D, 0x02],
        "AF Nikkor 85mm f/1.4D IF",
    ),
    (
        [0x4B, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0x4E, 0x02],
        "AF-S Nikkor 500mm f/4D IF-ED",
    ),
    (
        [0x4B, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0xF1, 0x02],
        "AF-S Nikkor 500mm f/4D IF-ED + TC-14E",
    ),
    (
        [0x4B, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0xE1, 0x02],
        "AF-S Nikkor 500mm f/4D IF-ED + TC-17E",
    ),
    (
        [0x4B, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0xF2, 0x02],
        "AF-S Nikkor 500mm f/4D IF-ED + TC-20E",
    ),
    (
        [0x4C, 0x40, 0x37, 0x6E, 0x2C, 0x3C, 0x4F, 0x02],
        "AF Zoom-Nikkor 24-120mm f/3.5-5.6D IF",
    ),
    (
        [0x4D, 0x40, 0x3C, 0x80, 0x2C, 0x3C, 0x62, 0x02],
        "AF Zoom-Nikkor 28-200mm f/3.5-5.6D IF",
    ),
    (
        [0x4E, 0x48, 0x72, 0x72, 0x18, 0x18, 0x51, 0x02],
        "AF DC-Nikkor 135mm f/2D",
    ),
    (
        [0x4F, 0x40, 0x37, 0x5C, 0x2C, 0x3C, 0x53, 0x06],
        "IX-Nikkor 24-70mm f/3.5-5.6",
    ),
    (
        [0x50, 0x48, 0x56, 0x7C, 0x30, 0x3C, 0x54, 0x06],
        "IX-Nikkor 60-180mm f/4-5.6",
    ),
    (
        [0x53, 0x48, 0x60, 0x80, 0x24, 0x24, 0x57, 0x02],
        "AF Zoom-Nikkor 80-200mm f/2.8D ED",
    ),
    (
        [0x53, 0x48, 0x60, 0x80, 0x24, 0x24, 0x60, 0x02],
        "AF Zoom-Nikkor 80-200mm f/2.8D ED",
    ),
    (
        [0x54, 0x44, 0x5C, 0x7C, 0x34, 0x3C, 0x58, 0x02],
        "AF Zoom-Micro Nikkor 70-180mm f/4.5-5.6D ED",
    ),
    (
        [0x54, 0x44, 0x5C, 0x7C, 0x34, 0x3C, 0x61, 0x02],
        "AF Zoom-Micro Nikkor 70-180mm f/4.5-5.6D ED",
    ),
    (
        [0x56, 0x48, 0x5C, 0x8E, 0x30, 0x3C, 0x5A, 0x02],
        "AF Zoom-Nikkor 70-300mm f/4-5.6D ED",
    ),
    (
        [0x59, 0x48, 0x98, 0x98, 0x24, 0x24, 0x5D, 0x02],
        "AF-S Nikkor 400mm f/2.8D IF-ED",
    ),
    (
        [0x59, 0x48, 0x98, 0x98, 0x24, 0x24, 0xF1, 0x02],
        "AF-S Nikkor 400mm f/2.8D IF-ED + TC-14E",
    ),
    (
        [0x59, 0x48, 0x98, 0x98, 0x24, 0x24, 0xE1, 0x02],
        "AF-S Nikkor 400mm f/2.8D IF-ED + TC-17E",
    ),
    (
        [0x59, 0x48, 0x98, 0x98, 0x24, 0x24, 0xF2, 0x02],
        "AF-S Nikkor 400mm f/2.8D IF-ED + TC-20E",
    ),
    (
        [0x5A, 0x3C, 0x3E, 0x56, 0x30, 0x3C, 0x5E, 0x06],
        "IX-Nikkor 30-60mm f/4-5.6",
    ),
    (
        [0x5B, 0x44, 0x56, 0x7C, 0x34, 0x3C, 0x5F, 0x06],
        "IX-Nikkor 60-180mm f/4.5-5.6",
    ),
    (
        [0x5D, 0x48, 0x3C, 0x5C, 0x24, 0x24, 0x63, 0x02],
        "AF-S Zoom-Nikkor 28-70mm f/2.8D IF-ED",
    ),
    (
        [0x5E, 0x48, 0x60, 0x80, 0x24, 0x24, 0x64, 0x02],
        "AF-S Zoom-Nikkor 80-200mm f/2.8D IF-ED",
    ),
    (
        [0x5F, 0x40, 0x3C, 0x6A, 0x2C, 0x34, 0x65, 0x02],
        "AF Zoom-Nikkor 28-105mm f/3.5-4.5D IF",
    ),
    (
        [0x60, 0x40, 0x3C, 0x60, 0x2C, 0x3C, 0x66, 0x02],
        "AF Zoom-Nikkor 28-80mm f/3.5-5.6D",
    ),
    (
        [0x61, 0x44, 0x5E, 0x86, 0x34, 0x3C, 0x67, 0x02],
        "AF Zoom-Nikkor 75-240mm f/4.5-5.6D",
    ),
    (
        [0x63, 0x48, 0x2B, 0x44, 0x24, 0x24, 0x68, 0x02],
        "AF-S Nikkor 17-35mm f/2.8D IF-ED",
    ),
    (
        [0x64, 0x00, 0x62, 0x62, 0x24, 0x24, 0x6A, 0x02],
        "PC Micro-Nikkor 85mm f/2.8D",
    ),
    (
        [0x65, 0x44, 0x60, 0x98, 0x34, 0x3C, 0x6B, 0x0A],
        "AF VR Zoom-Nikkor 80-400mm f/4.5-5.6D ED",
    ),
    (
        [0x66, 0x40, 0x2D, 0x44, 0x2C, 0x34, 0x6C, 0x02],
        "AF Zoom-Nikkor 18-35mm f/3.5-4.5D IF-ED",
    ),
    (
        [0x67, 0x48, 0x37, 0x62, 0x24, 0x30, 0x6D, 0x02],
        "AF Zoom-Nikkor 24-85mm f/2.8-4D IF",
    ),
    (
        [0x68, 0x42, 0x3C, 0x60, 0x2A, 0x3C, 0x6E, 0x06],
        "AF Zoom-Nikkor 28-80mm f/3.3-5.6G",
    ),
    (
        [0x69, 0x48, 0x5C, 0x8E, 0x30, 0x3C, 0x6F, 0x06],
        "AF Zoom-Nikkor 70-300mm f/4-5.6G",
    ),
    (
        [0x6A, 0x48, 0x8E, 0x8E, 0x30, 0x30, 0x70, 0x02],
        "AF-S Nikkor 300mm f/4D IF-ED",
    ),
    (
        [0x6B, 0x48, 0x24, 0x24, 0x24, 0x24, 0x71, 0x02],
        "AF Nikkor ED 14mm f/2.8D",
    ),
    (
        [0x6D, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0x73, 0x02],
        "AF-S Nikkor 300mm f/2.8D IF-ED II",
    ),
    (
        [0x6E, 0x48, 0x98, 0x98, 0x24, 0x24, 0x74, 0x02],
        "AF-S Nikkor 400mm f/2.8D IF-ED II",
    ),
    (
        [0x6F, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0x75, 0x02],
        "AF-S Nikkor 500mm f/4D IF-ED II",
    ),
    (
        [0x70, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0x76, 0x02],
        "AF-S Nikkor 600mm f/4D IF-ED II",
    ),
    (
        [0x72, 0x48, 0x4C, 0x4C, 0x24, 0x24, 0x77, 0x00],
        "Nikkor 45mm f/2.8 P",
    ),
    (
        [0x74, 0x40, 0x37, 0x62, 0x2C, 0x34, 0x78, 0x06],
        "AF-S Zoom-Nikkor 24-85mm f/3.5-4.5G IF-ED",
    ),
    (
        [0x75, 0x40, 0x3C, 0x68, 0x2C, 0x3C, 0x79, 0x06],
        "AF Zoom-Nikkor 28-100mm f/3.5-5.6G",
    ),
    (
        [0x76, 0x58, 0x50, 0x50, 0x14, 0x14, 0x7A, 0x02],
        "AF Nikkor 50mm f/1.8D",
    ),
    (
        [0x77, 0x48, 0x5C, 0x80, 0x24, 0x24, 0x7B, 0x0E],
        "AF-S VR Zoom-Nikkor 70-200mm f/2.8G IF-ED",
    ),
    (
        [0x78, 0x40, 0x37, 0x6E, 0x2C, 0x3C, 0x7C, 0x0E],
        "AF-S VR Zoom-Nikkor 24-120mm f/3.5-5.6G IF-ED",
    ),
    (
        [0x79, 0x40, 0x3C, 0x80, 0x2C, 0x3C, 0x7F, 0x06],
        "AF Zoom-Nikkor 28-200mm f/3.5-5.6G IF-ED",
    ),
    (
        [0x7B, 0x48, 0x80, 0x98, 0x30, 0x30, 0x80, 0x0E],
        "AF-S VR Zoom-Nikkor 200-400mm f/4G IF-ED",
    ),
    (
        [0x7D, 0x48, 0x2B, 0x53, 0x24, 0x24, 0x82, 0x06],
        "AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED",
    ),
    (
        [0x7F, 0x40, 0x2D, 0x5C, 0x2C, 0x34, 0x84, 0x06],
        "AF-S DX Zoom-Nikkor 18-70mm f/3.5-4.5G IF-ED",
    ),
    (
        [0x80, 0x48, 0x1A, 0x1A, 0x24, 0x24, 0x85, 0x06],
        "AF DX Fisheye-Nikkor 10.5mm f/2.8G ED",
    ),
    (
        [0x81, 0x54, 0x80, 0x80, 0x18, 0x18, 0x86, 0x0E],
        "AF-S VR Nikkor 200mm f/2G IF-ED",
    ),
    (
        [0x82, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0x87, 0x0E],
        "AF-S VR Nikkor 300mm f/2.8G IF-ED",
    ),
    (
        [0x83, 0x00, 0xB0, 0xB0, 0x5A, 0x5A, 0x88, 0x04],
        "FSA-L2, EDG 65, 800mm F13 G",
    ),
    (
        [0x89, 0x3C, 0x53, 0x80, 0x30, 0x3C, 0x8B, 0x06],
        "AF-S DX Zoom-Nikkor 55-200mm f/4-5.6G ED",
    ),
    (
        [0x8A, 0x54, 0x6A, 0x6A, 0x24, 0x24, 0x8C, 0x0E],
        "AF-S VR Micro-Nikkor 105mm f/2.8G IF-ED",
    ),
    (
        [0x8B, 0x40, 0x2D, 0x80, 0x2C, 0x3C, 0x8D, 0x0E],
        "AF-S DX VR Zoom-Nikkor 18-200mm f/3.5-5.6G IF-ED",
    ),
    (
        [0x8B, 0x40, 0x2D, 0x80, 0x2C, 0x3C, 0xFD, 0x0E],
        "AF-S DX VR Zoom-Nikkor 18-200mm f/3.5-5.6G IF-ED [II]",
    ),
    (
        [0x8C, 0x40, 0x2D, 0x53, 0x2C, 0x3C, 0x8E, 0x06],
        "AF-S DX Zoom-Nikkor 18-55mm f/3.5-5.6G ED",
    ),
    (
        [0x8D, 0x44, 0x5C, 0x8E, 0x34, 0x3C, 0x8F, 0x0E],
        "AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED",
    ),
    (
        [0x8F, 0x40, 0x2D, 0x72, 0x2C, 0x3C, 0x91, 0x06],
        "AF-S DX Zoom-Nikkor 18-135mm f/3.5-5.6G IF-ED",
    ),
    (
        [0x90, 0x3B, 0x53, 0x80, 0x30, 0x3C, 0x92, 0x0E],
        "AF-S DX VR Zoom-Nikkor 55-200mm f/4-5.6G IF-ED",
    ),
    (
        [0x92, 0x48, 0x24, 0x37, 0x24, 0x24, 0x94, 0x06],
        "AF-S Zoom-Nikkor 14-24mm f/2.8G ED",
    ),
    (
        [0x93, 0x48, 0x37, 0x5C, 0x24, 0x24, 0x95, 0x06],
        "AF-S Zoom-Nikkor 24-70mm f/2.8G ED",
    ),
    (
        [0x94, 0x40, 0x2D, 0x53, 0x2C, 0x3C, 0x96, 0x06],
        "AF-S DX Zoom-Nikkor 18-55mm f/3.5-5.6G ED II",
    ),
    (
        [0x95, 0x4C, 0x37, 0x37, 0x2C, 0x2C, 0x97, 0x02],
        "PC-E Nikkor 24mm f/3.5D ED",
    ),
    (
        [0x95, 0x00, 0x37, 0x37, 0x2C, 0x2C, 0x97, 0x06],
        "PC-E Nikkor 24mm f/3.5D ED",
    ),
    (
        [0x96, 0x48, 0x98, 0x98, 0x24, 0x24, 0x98, 0x0E],
        "AF-S VR Nikkor 400mm f/2.8G ED",
    ),
    (
        [0x97, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0x99, 0x0E],
        "AF-S VR Nikkor 500mm f/4G ED",
    ),
    (
        [0x98, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0x9A, 0x0E],
        "AF-S VR Nikkor 600mm f/4G ED",
    ),
    (
        [0x99, 0x40, 0x29, 0x62, 0x2C, 0x3C, 0x9B, 0x0E],
        "AF-S DX VR Zoom-Nikkor 16-85mm f/3.5-5.6G ED",
    ),
    (
        [0x9A, 0x40, 0x2D, 0x53, 0x2C, 0x3C, 0x9C, 0x0E],
        "AF-S DX VR Zoom-Nikkor 18-55mm f/3.5-5.6G",
    ),
    (
        [0x9B, 0x54, 0x4C, 0x4C, 0x24, 0x24, 0x9D, 0x02],
        "PC-E Micro Nikkor 45mm f/2.8D ED",
    ),
    (
        [0x9B, 0x00, 0x4C, 0x4C, 0x24, 0x24, 0x9D, 0x06],
        "PC-E Micro Nikkor 45mm f/2.8D ED",
    ),
    (
        [0x9C, 0x54, 0x56, 0x56, 0x24, 0x24, 0x9E, 0x06],
        "AF-S Micro Nikkor 60mm f/2.8G ED",
    ),
    (
        [0x9D, 0x54, 0x62, 0x62, 0x24, 0x24, 0x9F, 0x02],
        "PC-E Micro Nikkor 85mm f/2.8D",
    ),
    (
        [0x9D, 0x00, 0x62, 0x62, 0x24, 0x24, 0x9F, 0x06],
        "PC-E Micro Nikkor 85mm f/2.8D",
    ),
    (
        [0x9E, 0x40, 0x2D, 0x6A, 0x2C, 0x3C, 0xA0, 0x0E],
        "AF-S DX VR Zoom-Nikkor 18-105mm f/3.5-5.6G ED",
    ),
    (
        [0x9F, 0x58, 0x44, 0x44, 0x14, 0x14, 0xA1, 0x06],
        "AF-S DX Nikkor 35mm f/1.8G",
    ),
    (
        [0xA0, 0x54, 0x50, 0x50, 0x0C, 0x0C, 0xA2, 0x06],
        "AF-S Nikkor 50mm f/1.4G",
    ),
    (
        [0xA1, 0x40, 0x18, 0x37, 0x2C, 0x34, 0xA3, 0x06],
        "AF-S DX Nikkor 10-24mm f/3.5-4.5G ED",
    ),
    (
        [0xA1, 0x40, 0x2D, 0x53, 0x2C, 0x3C, 0xCB, 0x86],
        "AF-P DX Nikkor 18-55mm f/3.5-5.6G",
    ),
    (
        [0xA2, 0x48, 0x5C, 0x80, 0x24, 0x24, 0xA4, 0x0E],
        "AF-S Nikkor 70-200mm f/2.8G ED VR II",
    ),
    (
        [0xA3, 0x3C, 0x29, 0x44, 0x30, 0x30, 0xA5, 0x0E],
        "AF-S Nikkor 16-35mm f/4G ED VR",
    ),
    (
        [0xA4, 0x54, 0x37, 0x37, 0x0C, 0x0C, 0xA6, 0x06],
        "AF-S Nikkor 24mm f/1.4G ED",
    ),
    (
        [0xA5, 0x40, 0x3C, 0x8E, 0x2C, 0x3C, 0xA7, 0x0E],
        "AF-S Nikkor 28-300mm f/3.5-5.6G ED VR",
    ),
    (
        [0xA6, 0x48, 0x8E, 0x8E, 0x24, 0x24, 0xA8, 0x0E],
        "AF-S Nikkor 300mm f/2.8G IF-ED VR II",
    ),
    (
        [0xA7, 0x4B, 0x62, 0x62, 0x2C, 0x2C, 0xA9, 0x0E],
        "AF-S DX Micro Nikkor 85mm f/3.5G ED VR",
    ),
    (
        [0xA8, 0x48, 0x80, 0x98, 0x30, 0x30, 0xAA, 0x0E],
        "AF-S Zoom-Nikkor 200-400mm f/4G IF-ED VR II",
    ),
    (
        [0xA9, 0x54, 0x80, 0x80, 0x18, 0x18, 0xAB, 0x0E],
        "AF-S Nikkor 200mm f/2G ED VR II",
    ),
    (
        [0xAA, 0x3C, 0x37, 0x6E, 0x30, 0x30, 0xAC, 0x0E],
        "AF-S Nikkor 24-120mm f/4G ED VR",
    ),
    (
        [0xAC, 0x38, 0x53, 0x8E, 0x34, 0x3C, 0xAE, 0x0E],
        "AF-S DX Nikkor 55-300mm f/4.5-5.6G ED VR",
    ),
    (
        [0xAD, 0x3C, 0x2D, 0x8E, 0x2C, 0x3C, 0xAF, 0x0E],
        "AF-S DX Nikkor 18-300mm f/3.5-5.6G ED VR",
    ),
    (
        [0xAE, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0xB0, 0x06],
        "AF-S Nikkor 85mm f/1.4G",
    ),
    (
        [0xAF, 0x54, 0x44, 0x44, 0x0C, 0x0C, 0xB1, 0x06],
        "AF-S Nikkor 35mm f/1.4G",
    ),
    (
        [0xB0, 0x4C, 0x50, 0x50, 0x14, 0x14, 0xB2, 0x06],
        "AF-S Nikkor 50mm f/1.8G",
    ),
    (
        [0xB1, 0x48, 0x48, 0x48, 0x24, 0x24, 0xB3, 0x06],
        "AF-S DX Micro Nikkor 40mm f/2.8G",
    ),
    (
        [0xB2, 0x48, 0x5C, 0x80, 0x30, 0x30, 0xB4, 0x0E],
        "AF-S Nikkor 70-200mm f/4G ED VR",
    ),
    (
        [0xB3, 0x4C, 0x62, 0x62, 0x14, 0x14, 0xB5, 0x06],
        "AF-S Nikkor 85mm f/1.8G",
    ),
    (
        [0xB4, 0x40, 0x37, 0x62, 0x2C, 0x34, 0xB6, 0x0E],
        "AF-S Zoom-Nikkor 24-85mm f/3.5-4.5G IF-ED VR",
    ),
    (
        [0xB5, 0x4C, 0x3C, 0x3C, 0x14, 0x14, 0xB7, 0x06],
        "AF-S Nikkor 28mm f/1.8G",
    ),
    (
        [0xB6, 0x3C, 0xB0, 0xB0, 0x3C, 0x3C, 0xB8, 0x0E],
        "AF-S VR Nikkor 800mm f/5.6E FL ED",
    ),
    (
        [0xB6, 0x3C, 0xB0, 0xB0, 0x3C, 0x3C, 0xB8, 0x4E],
        "AF-S VR Nikkor 800mm f/5.6E FL ED",
    ),
    (
        [0xB7, 0x44, 0x60, 0x98, 0x34, 0x3C, 0xB9, 0x0E],
        "AF-S Nikkor 80-400mm f/4.5-5.6G ED VR",
    ),
    (
        [0xB8, 0x40, 0x2D, 0x44, 0x2C, 0x34, 0xBA, 0x06],
        "AF-S Nikkor 18-35mm f/3.5-4.5G ED",
    ),
    (
        [0xA0, 0x40, 0x2D, 0x74, 0x2C, 0x3C, 0xBB, 0x0E],
        "AF-S DX Nikkor 18-140mm f/3.5-5.6G ED VR",
    ),
    (
        [0xA1, 0x54, 0x55, 0x55, 0x0C, 0x0C, 0xBC, 0x06],
        "AF-S Nikkor 58mm f/1.4G",
    ),
    (
        [0xA1, 0x48, 0x6E, 0x8E, 0x24, 0x24, 0xDB, 0x4E],
        "AF-S Nikkor 120-300mm f/2.8E FL ED SR VR",
    ),
    (
        [0xA2, 0x40, 0x2D, 0x53, 0x2C, 0x3C, 0xBD, 0x0E],
        "AF-S DX Nikkor 18-55mm f/3.5-5.6G VR II",
    ),
    (
        [0xA4, 0x40, 0x2D, 0x8E, 0x2C, 0x40, 0xBF, 0x0E],
        "AF-S DX Nikkor 18-300mm f/3.5-6.3G ED VR",
    ),
    (
        [0xA5, 0x4C, 0x44, 0x44, 0x14, 0x14, 0xC0, 0x06],
        "AF-S Nikkor 35mm f/1.8G ED",
    ),
    (
        [0xA6, 0x48, 0x98, 0x98, 0x24, 0x24, 0xC1, 0x0E],
        "AF-S Nikkor 400mm f/2.8E FL ED VR",
    ),
    (
        [0xA7, 0x3C, 0x53, 0x80, 0x30, 0x3C, 0xC2, 0x0E],
        "AF-S DX Nikkor 55-200mm f/4-5.6G ED VR II",
    ),
    (
        [0xA8, 0x48, 0x8E, 0x8E, 0x30, 0x30, 0xC3, 0x4E],
        "AF-S Nikkor 300mm f/4E PF ED VR",
    ),
    (
        [0xA8, 0x48, 0x8E, 0x8E, 0x30, 0x30, 0xC3, 0x0E],
        "AF-S Nikkor 300mm f/4E PF ED VR",
    ),
    (
        [0xA9, 0x4C, 0x31, 0x31, 0x14, 0x14, 0xC4, 0x06],
        "AF-S Nikkor 20mm f/1.8G ED",
    ),
    (
        [0xAA, 0x48, 0x37, 0x5C, 0x24, 0x24, 0xC5, 0x4E],
        "AF-S Nikkor 24-70mm f/2.8E ED VR",
    ),
    (
        [0xAA, 0x48, 0x37, 0x5C, 0x24, 0x24, 0xC5, 0x0E],
        "AF-S Nikkor 24-70mm f/2.8E ED VR",
    ),
    (
        [0xAB, 0x3C, 0xA0, 0xA0, 0x30, 0x30, 0xC6, 0x4E],
        "AF-S Nikkor 500mm f/4E FL ED VR",
    ),
    (
        [0xAC, 0x3C, 0xA6, 0xA6, 0x30, 0x30, 0xC7, 0x4E],
        "AF-S Nikkor 600mm f/4E FL ED VR",
    ),
    (
        [0xAD, 0x48, 0x28, 0x60, 0x24, 0x30, 0xC8, 0x4E],
        "AF-S DX Nikkor 16-80mm f/2.8-4E ED VR",
    ),
    (
        [0xAD, 0x48, 0x28, 0x60, 0x24, 0x30, 0xC8, 0x0E],
        "AF-S DX Nikkor 16-80mm f/2.8-4E ED VR",
    ),
    (
        [0xAE, 0x3C, 0x80, 0xA0, 0x3C, 0x3C, 0xC9, 0x4E],
        "AF-S Nikkor 200-500mm f/5.6E ED VR",
    ),
    (
        [0xAE, 0x3C, 0x80, 0xA0, 0x3C, 0x3C, 0xC9, 0x0E],
        "AF-S Nikkor 200-500mm f/5.6E ED VR",
    ),
    (
        [0xA0, 0x40, 0x2D, 0x53, 0x2C, 0x3C, 0xCA, 0x8E],
        "AF-P DX Nikkor 18-55mm f/3.5-5.6G",
    ),
    (
        [0xA0, 0x40, 0x2D, 0x53, 0x2C, 0x3C, 0xCA, 0x0E],
        "AF-P DX Nikkor 18-55mm f/3.5-5.6G VR",
    ),
    (
        [0xAF, 0x4C, 0x37, 0x37, 0x14, 0x14, 0xCC, 0x06],
        "AF-S Nikkor 24mm f/1.8G ED",
    ),
    (
        [0xA2, 0x38, 0x5C, 0x8E, 0x34, 0x40, 0xCD, 0x86],
        "AF-P DX Nikkor 70-300mm f/4.5-6.3G VR",
    ),
    (
        [0xA3, 0x38, 0x5C, 0x8E, 0x34, 0x40, 0xCE, 0x8E],
        "AF-P DX Nikkor 70-300mm f/4.5-6.3G ED VR",
    ),
    (
        [0xA3, 0x38, 0x5C, 0x8E, 0x34, 0x40, 0xCE, 0x0E],
        "AF-P DX Nikkor 70-300mm f/4.5-6.3G ED",
    ),
    (
        [0xA4, 0x48, 0x5C, 0x80, 0x24, 0x24, 0xCF, 0x4E],
        "AF-S Nikkor 70-200mm f/2.8E FL ED VR",
    ),
    (
        [0xA4, 0x48, 0x5C, 0x80, 0x24, 0x24, 0xCF, 0x0E],
        "AF-S Nikkor 70-200mm f/2.8E FL ED VR",
    ),
    (
        [0xA5, 0x54, 0x6A, 0x6A, 0x0C, 0x0C, 0xD0, 0x46],
        "AF-S Nikkor 105mm f/1.4E ED",
    ),
    (
        [0xA5, 0x54, 0x6A, 0x6A, 0x0C, 0x0C, 0xD0, 0x06],
        "AF-S Nikkor 105mm f/1.4E ED",
    ),
    (
        [0xA6, 0x48, 0x2F, 0x2F, 0x30, 0x30, 0xD1, 0x46],
        "PC Nikkor 19mm f/4E ED",
    ),
    (
        [0xA6, 0x48, 0x2F, 0x2F, 0x30, 0x30, 0xD1, 0x06],
        "PC Nikkor 19mm f/4E ED",
    ),
    (
        [0xA7, 0x40, 0x11, 0x26, 0x2C, 0x34, 0xD2, 0x46],
        "AF-S Fisheye Nikkor 8-15mm f/3.5-4.5E ED",
    ),
    (
        [0xA7, 0x40, 0x11, 0x26, 0x2C, 0x34, 0xD2, 0x06],
        "AF-S Fisheye Nikkor 8-15mm f/3.5-4.5E ED",
    ),
    (
        [0xA8, 0x38, 0x18, 0x30, 0x34, 0x3C, 0xD3, 0x8E],
        "AF-P DX Nikkor 10-20mm f/4.5-5.6G VR",
    ),
    (
        [0xA8, 0x38, 0x18, 0x30, 0x34, 0x3C, 0xD3, 0x0E],
        "AF-P DX Nikkor 10-20mm f/4.5-5.6G VR",
    ),
    (
        [0xA9, 0x48, 0x7C, 0x98, 0x30, 0x30, 0xD4, 0x4E],
        "AF-S Nikkor 180-400mm f/4E TC1.4 FL ED VR",
    ),
    (
        [0xA9, 0x48, 0x7C, 0x98, 0x30, 0x30, 0xD4, 0x0E],
        "AF-S Nikkor 180-400mm f/4E TC1.4 FL ED VR",
    ),
    (
        [0xAA, 0x48, 0x88, 0xA4, 0x3C, 0x3C, 0xD5, 0x4E],
        "AF-S Nikkor 180-400mm f/4E TC1.4 FL ED VR + 1.4x TC",
    ),
    (
        [0xAA, 0x48, 0x88, 0xA4, 0x3C, 0x3C, 0xD5, 0x0E],
        "AF-S Nikkor 180-400mm f/4E TC1.4 FL ED VR + 1.4x TC",
    ),
    (
        [0xAB, 0x44, 0x5C, 0x8E, 0x34, 0x3C, 0xD6, 0xCE],
        "AF-P Nikkor 70-300mm f/4.5-5.6E ED VR",
    ),
    (
        [0xAB, 0x44, 0x5C, 0x8E, 0x34, 0x3C, 0xD6, 0x0E],
        "AF-P Nikkor 70-300mm f/4.5-5.6E ED VR",
    ),
    (
        [0xAB, 0x44, 0x5C, 0x8E, 0x34, 0x3C, 0xD6, 0x4E],
        "AF-P Nikkor 70-300mm f/4.5-5.6E ED VR",
    ),
    (
        [0xAC, 0x54, 0x3C, 0x3C, 0x0C, 0x0C, 0xD7, 0x46],
        "AF-S Nikkor 28mm f/1.4E ED",
    ),
    (
        [0xAC, 0x54, 0x3C, 0x3C, 0x0C, 0x0C, 0xD7, 0x06],
        "AF-S Nikkor 28mm f/1.4E ED",
    ),
    (
        [0xAD, 0x3C, 0xA0, 0xA0, 0x3C, 0x3C, 0xD8, 0x0E],
        "AF-S Nikkor 500mm f/5.6E PF ED VR",
    ),
    (
        [0xAD, 0x3C, 0xA0, 0xA0, 0x3C, 0x3C, 0xD8, 0x4E],
        "AF-S Nikkor 500mm f/5.6E PF ED VR",
    ),
    ([0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00], "TC-16A"),
    ([0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00], "TC-16A"),
    (
        [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF1, 0x0C],
        "TC-14E [II] or Sigma APO Tele Converter 1.4x EX DG or Kenko Teleplus PRO 300 DG 1.4x",
    ),
    (
        [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF2, 0x18],
        "TC-20E [II] or Sigma APO Tele Converter 2x EX DG or Kenko Teleplus PRO 300 DG 2.0x",
    ),
    (
        [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE1, 0x12],
        "TC-17E II",
    ),
    (
        [0xFE, 0x47, 0x00, 0x00, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 4.5mm F2.8 EX DC HSM Circular Fisheye",
    ),
    (
        [0x26, 0x48, 0x11, 0x11, 0x30, 0x30, 0x1C, 0x02],
        "Sigma 8mm F4 EX Circular Fisheye",
    ),
    (
        [0x79, 0x40, 0x11, 0x11, 0x2C, 0x2C, 0x1C, 0x06],
        "Sigma 8mm F3.5 EX Circular Fisheye",
    ),
    (
        [0xDB, 0x40, 0x11, 0x11, 0x2C, 0x2C, 0x1C, 0x06],
        "Sigma 8mm F3.5 EX DG Circular Fisheye",
    ),
    (
        [0xDC, 0x48, 0x19, 0x19, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 10mm F2.8 EX DC HSM Fisheye",
    ),
    (
        [0xC2, 0x4C, 0x24, 0x24, 0x14, 0x14, 0x4B, 0x06],
        "Sigma 14mm F1.8 DG HSM | A",
    ),
    (
        [0x48, 0x48, 0x24, 0x24, 0x24, 0x24, 0x4B, 0x02],
        "Sigma 14mm F2.8 EX Aspherical HSM",
    ),
    (
        [0x02, 0x3F, 0x24, 0x24, 0x2C, 0x2C, 0x02, 0x00],
        "Sigma 14mm F3.5",
    ),
    (
        [0x26, 0x48, 0x27, 0x27, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 15mm F2.8 EX Diagonal Fisheye",
    ),
    (
        [0xEA, 0x48, 0x27, 0x27, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 15mm F2.8 EX Diagonal Fisheye",
    ),
    (
        [0x26, 0x58, 0x31, 0x31, 0x14, 0x14, 0x1C, 0x02],
        "Sigma 20mm F1.8 EX DG Aspherical RF",
    ),
    (
        [0x79, 0x54, 0x31, 0x31, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 20mm F1.4 DG HSM | A",
    ),
    (
        [0x26, 0x58, 0x37, 0x37, 0x14, 0x14, 0x1C, 0x02],
        "Sigma 24mm F1.8 EX DG Aspherical Macro",
    ),
    (
        [0xE1, 0x58, 0x37, 0x37, 0x14, 0x14, 0x1C, 0x02],
        "Sigma 24mm F1.8 EX DG Aspherical Macro",
    ),
    (
        [0x02, 0x46, 0x37, 0x37, 0x25, 0x25, 0x02, 0x00],
        "Sigma 24mm F2.8 Super Wide II Macro",
    ),
    (
        [0x7E, 0x54, 0x37, 0x37, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 24mm F1.4 DG HSM | A",
    ),
    (
        [0x26, 0x58, 0x3C, 0x3C, 0x14, 0x14, 0x1C, 0x02],
        "Sigma 28mm F1.8 EX DG Aspherical Macro",
    ),
    (
        [0xBC, 0x54, 0x3C, 0x3C, 0x0C, 0x0C, 0x4B, 0x46],
        "Sigma 28mm F1.4 DG HSM | A",
    ),
    (
        [0x48, 0x54, 0x3E, 0x3E, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 30mm F1.4 EX DC HSM",
    ),
    (
        [0xF8, 0x54, 0x3E, 0x3E, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 30mm F1.4 EX DC HSM",
    ),
    (
        [0x91, 0x54, 0x44, 0x44, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 35mm F1.4 DG HSM",
    ),
    (
        [0xBD, 0x54, 0x48, 0x48, 0x0C, 0x0C, 0x4B, 0x46],
        "Sigma 40mm F1.4 DG HSM | A",
    ),
    (
        [0xDE, 0x54, 0x50, 0x50, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 50mm F1.4 EX DG HSM",
    ),
    (
        [0x88, 0x54, 0x50, 0x50, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 50mm F1.4 DG HSM | A",
    ),
    (
        [0x02, 0x48, 0x50, 0x50, 0x24, 0x24, 0x02, 0x00],
        "Sigma Macro 50mm F2.8",
    ),
    (
        [0x32, 0x54, 0x50, 0x50, 0x24, 0x24, 0x35, 0x02],
        "Sigma Macro 50mm F2.8 EX DG",
    ),
    (
        [0xE3, 0x54, 0x50, 0x50, 0x24, 0x24, 0x35, 0x02],
        "Sigma Macro 50mm F2.8 EX DG",
    ),
    (
        [0x79, 0x48, 0x5C, 0x5C, 0x24, 0x24, 0x1C, 0x06],
        "Sigma Macro 70mm F2.8 EX DG",
    ),
    (
        [0x9B, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 85mm F1.4 EX DG HSM",
    ),
    (
        [0xC8, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0x4B, 0x46],
        "Sigma 85mm F1.4 DG HSM | A",
    ),
    (
        [0xC8, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0x4B, 0x06],
        "Sigma 85mm F1.4 DG HSM | A",
    ),
    (
        [0x02, 0x48, 0x65, 0x65, 0x24, 0x24, 0x02, 0x00],
        "Sigma Macro 90mm F2.8",
    ),
    (
        [0xE5, 0x54, 0x6A, 0x6A, 0x24, 0x24, 0x35, 0x02],
        "Sigma Macro 105mm F2.8 EX DG",
    ),
    (
        [0x97, 0x48, 0x6A, 0x6A, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma Macro 105mm F2.8 EX DG OS HSM",
    ),
    (
        [0xBE, 0x54, 0x6A, 0x6A, 0x0C, 0x0C, 0x4B, 0x46],
        "Sigma 105mm F1.4 DG HSM | A",
    ),
    (
        [0x48, 0x48, 0x76, 0x76, 0x24, 0x24, 0x4B, 0x06],
        "Sigma APO Macro 150mm F2.8 EX DG HSM",
    ),
    (
        [0xF5, 0x48, 0x76, 0x76, 0x24, 0x24, 0x4B, 0x06],
        "Sigma APO Macro 150mm F2.8 EX DG HSM",
    ),
    (
        [0x99, 0x48, 0x76, 0x76, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma APO Macro 150mm F2.8 EX DG OS HSM",
    ),
    (
        [0x48, 0x4C, 0x7C, 0x7C, 0x2C, 0x2C, 0x4B, 0x02],
        "Sigma APO Macro 180mm F3.5 EX DG HSM",
    ),
    (
        [0x48, 0x4C, 0x7D, 0x7D, 0x2C, 0x2C, 0x4B, 0x02],
        "Sigma APO Macro 180mm F3.5 EX DG HSM",
    ),
    (
        [0xF4, 0x4C, 0x7C, 0x7C, 0x2C, 0x2C, 0x4B, 0x02],
        "Sigma APO Macro 180mm F3.5 EX DG HSM",
    ),
    (
        [0x94, 0x48, 0x7C, 0x7C, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma APO Macro 180mm F2.8 EX DG OS HSM",
    ),
    (
        [0x48, 0x54, 0x8E, 0x8E, 0x24, 0x24, 0x4B, 0x02],
        "Sigma APO 300mm F2.8 EX DG HSM",
    ),
    (
        [0xFB, 0x54, 0x8E, 0x8E, 0x24, 0x24, 0x4B, 0x02],
        "Sigma APO 300mm F2.8 EX DG HSM",
    ),
    (
        [0x26, 0x48, 0x8E, 0x8E, 0x30, 0x30, 0x1C, 0x02],
        "Sigma APO Tele Macro 300mm F4",
    ),
    (
        [0x02, 0x2F, 0x98, 0x98, 0x3D, 0x3D, 0x02, 0x00],
        "Sigma APO 400mm F5.6",
    ),
    (
        [0x26, 0x3C, 0x98, 0x98, 0x3C, 0x3C, 0x1C, 0x02],
        "Sigma APO Tele Macro 400mm F5.6",
    ),
    (
        [0x02, 0x37, 0xA0, 0xA0, 0x34, 0x34, 0x02, 0x00],
        "Sigma APO 500mm F4.5",
    ),
    (
        [0x48, 0x44, 0xA0, 0xA0, 0x34, 0x34, 0x4B, 0x02],
        "Sigma APO 500mm F4.5 EX HSM",
    ),
    (
        [0xF1, 0x44, 0xA0, 0xA0, 0x34, 0x34, 0x4B, 0x02],
        "Sigma APO 500mm F4.5 EX DG HSM",
    ),
    (
        [0x02, 0x34, 0xA0, 0xA0, 0x44, 0x44, 0x02, 0x00],
        "Sigma APO 500mm F7.2",
    ),
    (
        [0x02, 0x3C, 0xB0, 0xB0, 0x3C, 0x3C, 0x02, 0x00],
        "Sigma APO 800mm F5.6",
    ),
    (
        [0x48, 0x3C, 0xB0, 0xB0, 0x3C, 0x3C, 0x4B, 0x02],
        "Sigma APO 800mm F5.6 EX HSM",
    ),
    (
        [0x9E, 0x38, 0x11, 0x29, 0x34, 0x3C, 0x4B, 0x06],
        "Sigma 8-16mm F4.5-5.6 DC HSM",
    ),
    (
        [0xA1, 0x41, 0x19, 0x31, 0x2C, 0x2C, 0x4B, 0x06],
        "Sigma 10-20mm F3.5 EX DC HSM",
    ),
    (
        [0x48, 0x3C, 0x19, 0x31, 0x30, 0x3C, 0x4B, 0x06],
        "Sigma 10-20mm F4-5.6 EX DC HSM",
    ),
    (
        [0xF9, 0x3C, 0x19, 0x31, 0x30, 0x3C, 0x4B, 0x06],
        "Sigma 10-20mm F4-5.6 EX DC HSM",
    ),
    (
        [0x48, 0x38, 0x1F, 0x37, 0x34, 0x3C, 0x4B, 0x06],
        "Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM",
    ),
    (
        [0xF0, 0x38, 0x1F, 0x37, 0x34, 0x3C, 0x4B, 0x06],
        "Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM",
    ),
    (
        [0x96, 0x38, 0x1F, 0x37, 0x34, 0x3C, 0x4B, 0x06],
        "Sigma 12-24mm F4.5-5.6 II DG HSM",
    ),
    (
        [0xCA, 0x3C, 0x1F, 0x37, 0x30, 0x30, 0x4B, 0x46],
        "Sigma 12-24mm F4 DG HSM | A",
    ),
    (
        [0xC1, 0x48, 0x24, 0x37, 0x24, 0x24, 0x4B, 0x46],
        "Sigma 14-24mm F2.8 DG HSM | A",
    ),
    (
        [0x26, 0x40, 0x27, 0x3F, 0x2C, 0x34, 0x1C, 0x02],
        "Sigma 15-30mm F3.5-4.5 EX DG Aspherical DF",
    ),
    (
        [0x48, 0x48, 0x2B, 0x44, 0x24, 0x30, 0x4B, 0x06],
        "Sigma 17-35mm F2.8-4 EX DG  Aspherical HSM",
    ),
    (
        [0x26, 0x54, 0x2B, 0x44, 0x24, 0x30, 0x1C, 0x02],
        "Sigma 17-35mm F2.8-4 EX Aspherical",
    ),
    (
        [0x9D, 0x48, 0x2B, 0x50, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma 17-50mm F2.8 EX DC OS HSM",
    ),
    (
        [0x8F, 0x48, 0x2B, 0x50, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma 17-50mm F2.8 EX DC OS HSM",
    ),
    (
        [0x7A, 0x47, 0x2B, 0x5C, 0x24, 0x34, 0x4B, 0x06],
        "Sigma 17-70mm F2.8-4.5 DC Macro Asp. IF HSM",
    ),
    (
        [0x7A, 0x48, 0x2B, 0x5C, 0x24, 0x34, 0x4B, 0x06],
        "Sigma 17-70mm F2.8-4.5 DC Macro Asp. IF HSM",
    ),
    (
        [0x7F, 0x48, 0x2B, 0x5C, 0x24, 0x34, 0x1C, 0x06],
        "Sigma 17-70mm F2.8-4.5 DC Macro Asp. IF",
    ),
    (
        [0x8E, 0x3C, 0x2B, 0x5C, 0x24, 0x30, 0x4B, 0x0E],
        "Sigma 17-70mm F2.8-4 DC Macro OS HSM | C",
    ),
    (
        [0xA0, 0x48, 0x2A, 0x5C, 0x24, 0x30, 0x4B, 0x0E],
        "Sigma 17-70mm F2.8-4 DC Macro OS HSM",
    ),
    (
        [0x8B, 0x4C, 0x2D, 0x44, 0x14, 0x14, 0x4B, 0x06],
        "Sigma 18-35mm F1.8 DC HSM",
    ),
    (
        [0x26, 0x40, 0x2D, 0x44, 0x2B, 0x34, 0x1C, 0x02],
        "Sigma 18-35mm F3.5-4.5 Aspherical",
    ),
    (
        [0x26, 0x48, 0x2D, 0x50, 0x24, 0x24, 0x1C, 0x06],
        "Sigma 18-50mm F2.8 EX DC",
    ),
    (
        [0x7F, 0x48, 0x2D, 0x50, 0x24, 0x24, 0x1C, 0x06],
        "Sigma 18-50mm F2.8 EX DC Macro",
    ),
    (
        [0x7A, 0x48, 0x2D, 0x50, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 18-50mm F2.8 EX DC Macro",
    ),
    (
        [0xF6, 0x48, 0x2D, 0x50, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 18-50mm F2.8 EX DC Macro",
    ),
    (
        [0xA4, 0x47, 0x2D, 0x50, 0x24, 0x34, 0x4B, 0x0E],
        "Sigma 18-50mm F2.8-4.5 DC OS HSM",
    ),
    (
        [0x26, 0x40, 0x2D, 0x50, 0x2C, 0x3C, 0x1C, 0x06],
        "Sigma 18-50mm F3.5-5.6 DC",
    ),
    (
        [0x7A, 0x40, 0x2D, 0x50, 0x2C, 0x3C, 0x4B, 0x06],
        "Sigma 18-50mm F3.5-5.6 DC HSM",
    ),
    (
        [0x26, 0x40, 0x2D, 0x70, 0x2B, 0x3C, 0x1C, 0x06],
        "Sigma 18-125mm F3.5-5.6 DC",
    ),
    (
        [0xCD, 0x3D, 0x2D, 0x70, 0x2E, 0x3C, 0x4B, 0x0E],
        "Sigma 18-125mm F3.8-5.6 DC OS HSM",
    ),
    (
        [0x26, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0x1C, 0x06],
        "Sigma 18-200mm F3.5-6.3 DC",
    ),
    (
        [0xFF, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0x4B, 0x06],
        "Sigma 18-200mm F3.5-6.3 DC",
    ),
    (
        [0x7A, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0x4B, 0x0E],
        "Sigma 18-200mm F3.5-6.3 DC OS HSM",
    ),
    (
        [0xED, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0x4B, 0x0E],
        "Sigma 18-200mm F3.5-6.3 DC OS HSM",
    ),
    (
        [0x90, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0x4B, 0x0E],
        "Sigma 18-200mm F3.5-6.3 II DC OS HSM",
    ),
    (
        [0x89, 0x30, 0x2D, 0x80, 0x2C, 0x40, 0x4B, 0x0E],
        "Sigma 18-200mm F3.5-6.3 DC Macro OS HS | C",
    ),
    (
        [0xA5, 0x40, 0x2D, 0x88, 0x2C, 0x40, 0x4B, 0x0E],
        "Sigma 18-250mm F3.5-6.3 DC OS HSM",
    ),
    (
        [0x92, 0x2C, 0x2D, 0x88, 0x2C, 0x40, 0x4B, 0x0E],
        "Sigma 18-250mm F3.5-6.3 DC Macro OS HSM",
    ),
    (
        [0x87, 0x2C, 0x2D, 0x8E, 0x2C, 0x40, 0x4B, 0x0E],
        "Sigma 18-300mm F3.5-6.3 DC Macro HSM",
    ),
    (
        [0x26, 0x48, 0x31, 0x49, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 20-40mm F2.8",
    ),
    (
        [0x7B, 0x48, 0x37, 0x44, 0x18, 0x18, 0x4B, 0x06],
        "Sigma 24-35mm F2.0 DG HSM | A",
    ),
    (
        [0x02, 0x3A, 0x37, 0x50, 0x31, 0x3D, 0x02, 0x00],
        "Sigma 24-50mm F4-5.6 UC",
    ),
    (
        [0x26, 0x48, 0x37, 0x56, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 24-60mm F2.8 EX DG",
    ),
    (
        [0xB6, 0x48, 0x37, 0x56, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 24-60mm F2.8 EX DG",
    ),
    (
        [0xA6, 0x48, 0x37, 0x5C, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 24-70mm F2.8 IF EX DG HSM",
    ),
    (
        [0xC9, 0x48, 0x37, 0x5C, 0x24, 0x24, 0x4B, 0x4E],
        "Sigma 24-70mm F2.8 DG OS HSM | A",
    ),
    (
        [0x26, 0x54, 0x37, 0x5C, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 24-70mm F2.8 EX DG Macro",
    ),
    (
        [0x67, 0x54, 0x37, 0x5C, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 24-70mm F2.8 EX DG Macro",
    ),
    (
        [0xE9, 0x54, 0x37, 0x5C, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 24-70mm F2.8 EX DG Macro",
    ),
    (
        [0x26, 0x40, 0x37, 0x5C, 0x2C, 0x3C, 0x1C, 0x02],
        "Sigma 24-70mm F3.5-5.6 Aspherical HF",
    ),
    (
        [0x8A, 0x3C, 0x37, 0x6A, 0x30, 0x30, 0x4B, 0x0E],
        "Sigma 24-105mm F4 DG OS HSM",
    ),
    (
        [0x26, 0x54, 0x37, 0x73, 0x24, 0x34, 0x1C, 0x02],
        "Sigma 24-135mm F2.8-4.5",
    ),
    (
        [0x02, 0x46, 0x3C, 0x5C, 0x25, 0x25, 0x02, 0x00],
        "Sigma 28-70mm F2.8",
    ),
    (
        [0x26, 0x54, 0x3C, 0x5C, 0x24, 0x24, 0x1C, 0x02],
        "Sigma 28-70mm F2.8 EX",
    ),
    (
        [0x26, 0x48, 0x3C, 0x5C, 0x24, 0x24, 0x1C, 0x06],
        "Sigma 28-70mm F2.8 EX DG",
    ),
    (
        [0x79, 0x48, 0x3C, 0x5C, 0x24, 0x24, 0x1C, 0x06],
        "Sigma 28-70mm F2.8 EX DG",
    ),
    (
        [0x26, 0x48, 0x3C, 0x5C, 0x24, 0x30, 0x1C, 0x02],
        "Sigma 28-70mm F2.8-4 DG",
    ),
    (
        [0x02, 0x3F, 0x3C, 0x5C, 0x2D, 0x35, 0x02, 0x00],
        "Sigma 28-70mm F3.5-4.5 UC",
    ),
    (
        [0x26, 0x40, 0x3C, 0x60, 0x2C, 0x3C, 0x1C, 0x02],
        "Sigma 28-80mm F3.5-5.6 Mini Zoom Macro II Aspherical",
    ),
    (
        [0x26, 0x40, 0x3C, 0x65, 0x2C, 0x3C, 0x1C, 0x02],
        "Sigma 28-90mm F3.5-5.6 Macro",
    ),
    (
        [0x26, 0x48, 0x3C, 0x6A, 0x24, 0x30, 0x1C, 0x02],
        "Sigma 28-105mm F2.8-4 Aspherical",
    ),
    (
        [0x26, 0x3E, 0x3C, 0x6A, 0x2E, 0x3C, 0x1C, 0x02],
        "Sigma 28-105mm F3.8-5.6 UC-III Aspherical IF",
    ),
    (
        [0x26, 0x40, 0x3C, 0x80, 0x2C, 0x3C, 0x1C, 0x02],
        "Sigma 28-200mm F3.5-5.6 Compact Aspherical Hyperzoom Macro",
    ),
    (
        [0x26, 0x40, 0x3C, 0x80, 0x2B, 0x3C, 0x1C, 0x02],
        "Sigma 28-200mm F3.5-5.6 Compact Aspherical Hyperzoom Macro",
    ),
    (
        [0x26, 0x3D, 0x3C, 0x80, 0x2F, 0x3D, 0x1C, 0x02],
        "Sigma 28-300mm F3.8-5.6 Aspherical",
    ),
    (
        [0x26, 0x41, 0x3C, 0x8E, 0x2C, 0x40, 0x1C, 0x02],
        "Sigma 28-300mm F3.5-6.3 DG Macro",
    ),
    (
        [0xE6, 0x41, 0x3C, 0x8E, 0x2C, 0x40, 0x1C, 0x02],
        "Sigma 28-300mm F3.5-6.3 DG Macro",
    ),
    (
        [0x26, 0x40, 0x3C, 0x8E, 0x2C, 0x40, 0x1C, 0x02],
        "Sigma 28-300mm F3.5-6.3 Macro",
    ),
    (
        [0x02, 0x3B, 0x44, 0x61, 0x30, 0x3D, 0x02, 0x00],
        "Sigma 35-80mm F4-5.6",
    ),
    (
        [0x02, 0x40, 0x44, 0x73, 0x2B, 0x36, 0x02, 0x00],
        "Sigma 35-135mm F3.5-4.5 a",
    ),
    (
        [0xCC, 0x4C, 0x50, 0x68, 0x14, 0x14, 0x4B, 0x06],
        "Sigma 50-100mm F1.8 DC HSM | A",
    ),
    (
        [0x7A, 0x47, 0x50, 0x76, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 50-150mm F2.8 EX APO DC HSM",
    ),
    (
        [0xFD, 0x47, 0x50, 0x76, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 50-150mm F2.8 EX APO DC HSM II",
    ),
    (
        [0x98, 0x48, 0x50, 0x76, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma 50-150mm F2.8 EX APO DC OS HSM",
    ),
    (
        [0x48, 0x3C, 0x50, 0xA0, 0x30, 0x40, 0x4B, 0x02],
        "Sigma 50-500mm F4-6.3 EX APO RF HSM",
    ),
    (
        [0x9F, 0x37, 0x50, 0xA0, 0x34, 0x40, 0x4B, 0x0E],
        "Sigma 50-500mm F4.5-6.3 DG OS HSM",
    ),
    (
        [0x26, 0x3C, 0x54, 0x80, 0x30, 0x3C, 0x1C, 0x06],
        "Sigma 55-200mm F4-5.6 DC",
    ),
    (
        [0x7A, 0x3B, 0x53, 0x80, 0x30, 0x3C, 0x4B, 0x06],
        "Sigma 55-200mm F4-5.6 DC HSM",
    ),
    (
        [0x48, 0x54, 0x5C, 0x80, 0x24, 0x24, 0x4B, 0x02],
        "Sigma 70-200mm F2.8 EX APO IF HSM",
    ),
    (
        [0x7A, 0x48, 0x5C, 0x80, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 70-200mm F2.8 EX APO DG Macro HSM II",
    ),
    (
        [0xEE, 0x48, 0x5C, 0x80, 0x24, 0x24, 0x4B, 0x06],
        "Sigma 70-200mm F2.8 EX APO DG Macro HSM II",
    ),
    (
        [0x9C, 0x48, 0x5C, 0x80, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma 70-200mm F2.8 EX DG OS HSM",
    ),
    (
        [0xBB, 0x48, 0x5C, 0x80, 0x24, 0x24, 0x4B, 0x4E],
        "Sigma 70-200mm F2.8 DG OS HSM | S",
    ),
    (
        [0x02, 0x46, 0x5C, 0x82, 0x25, 0x25, 0x02, 0x00],
        "Sigma 70-210mm F2.8 APO",
    ),
    (
        [0x02, 0x40, 0x5C, 0x82, 0x2C, 0x35, 0x02, 0x00],
        "Sigma APO 70-210mm F3.5-4.5",
    ),
    (
        [0x26, 0x3C, 0x5C, 0x82, 0x30, 0x3C, 0x1C, 0x02],
        "Sigma 70-210mm F4-5.6 UC-II",
    ),
    (
        [0x02, 0x3B, 0x5C, 0x82, 0x30, 0x3C, 0x02, 0x00],
        "Sigma Zoom-K 70-210mm F4-5.6",
    ),
    (
        [0x26, 0x3C, 0x5C, 0x8E, 0x30, 0x3C, 0x1C, 0x02],
        "Sigma 70-300mm F4-5.6 DG Macro",
    ),
    (
        [0x56, 0x3C, 0x5C, 0x8E, 0x30, 0x3C, 0x1C, 0x02],
        "Sigma 70-300mm F4-5.6 APO Macro Super II",
    ),
    (
        [0xE0, 0x3C, 0x5C, 0x8E, 0x30, 0x3C, 0x4B, 0x06],
        "Sigma 70-300mm F4-5.6 APO DG Macro HSM",
    ),
    (
        [0xA3, 0x3C, 0x5C, 0x8E, 0x30, 0x3C, 0x4B, 0x0E],
        "Sigma 70-300mm F4-5.6 DG OS",
    ),
    (
        [0x02, 0x37, 0x5E, 0x8E, 0x35, 0x3D, 0x02, 0x00],
        "Sigma 75-300mm F4.5-5.6 APO",
    ),
    (
        [0x02, 0x3A, 0x5E, 0x8E, 0x32, 0x3D, 0x02, 0x00],
        "Sigma 75-300mm F4.0-5.6",
    ),
    (
        [0x77, 0x44, 0x61, 0x98, 0x34, 0x3C, 0x7B, 0x0E],
        "Sigma 80-400mm F4.5-5.6 EX OS",
    ),
    (
        [0x77, 0x44, 0x60, 0x98, 0x34, 0x3C, 0x7B, 0x0E],
        "Sigma 80-400mm F4.5-5.6 APO DG D OS",
    ),
    (
        [0x48, 0x48, 0x68, 0x8E, 0x30, 0x30, 0x4B, 0x02],
        "Sigma APO 100-300mm F4 EX IF HSM",
    ),
    (
        [0xF3, 0x48, 0x68, 0x8E, 0x30, 0x30, 0x4B, 0x02],
        "Sigma APO 100-300mm F4 EX IF HSM",
    ),
    (
        [0x26, 0x45, 0x68, 0x8E, 0x34, 0x42, 0x1C, 0x02],
        "Sigma 100-300mm F4.5-6.7 DL",
    ),
    (
        [0x48, 0x54, 0x6F, 0x8E, 0x24, 0x24, 0x4B, 0x02],
        "Sigma APO 120-300mm F2.8 EX DG HSM",
    ),
    (
        [0x7A, 0x54, 0x6E, 0x8E, 0x24, 0x24, 0x4B, 0x02],
        "Sigma APO 120-300mm F2.8 EX DG HSM",
    ),
    (
        [0xFA, 0x54, 0x6E, 0x8E, 0x24, 0x24, 0x4B, 0x02],
        "Sigma APO 120-300mm F2.8 EX DG HSM",
    ),
    (
        [0xCF, 0x38, 0x6E, 0x98, 0x34, 0x3C, 0x4B, 0x0E],
        "Sigma APO 120-400mm F4.5-5.6 DG OS HSM",
    ),
    (
        [0xC3, 0x34, 0x68, 0x98, 0x38, 0x40, 0x4B, 0x4E],
        "Sigma 100-400mm F5-6.3 DG OS HSM | C",
    ),
    (
        [0x8D, 0x48, 0x6E, 0x8E, 0x24, 0x24, 0x4B, 0x0E],
        "Sigma 120-300mm F2.8 DG OS HSM Sports",
    ),
    (
        [0x26, 0x44, 0x73, 0x98, 0x34, 0x3C, 0x1C, 0x02],
        "Sigma 135-400mm F4.5-5.6 APO Aspherical",
    ),
    (
        [0xCE, 0x34, 0x76, 0xA0, 0x38, 0x40, 0x4B, 0x0E],
        "Sigma 150-500mm F5-6.3 DG OS APO HSM",
    ),
    (
        [0x81, 0x34, 0x76, 0xA6, 0x38, 0x40, 0x4B, 0x0E],
        "Sigma 150-600mm F5-6.3 DG OS HSM | S",
    ),
    (
        [0x82, 0x34, 0x76, 0xA6, 0x38, 0x40, 0x4B, 0x0E],
        "Sigma 150-600mm F5-6.3 DG OS HSM | C",
    ),
    (
        [0xC4, 0x4C, 0x73, 0x73, 0x14, 0x14, 0x4B, 0x46],
        "Sigma 135mm F1.8 DG HSM | A",
    ),
    (
        [0x26, 0x40, 0x7B, 0xA0, 0x34, 0x40, 0x1C, 0x02],
        "Sigma APO 170-500mm F5-6.3 Aspherical RF",
    ),
    (
        [0xA7, 0x49, 0x80, 0xA0, 0x24, 0x24, 0x4B, 0x06],
        "Sigma APO 200-500mm F2.8 EX DG",
    ),
    (
        [0x48, 0x3C, 0x8E, 0xB0, 0x3C, 0x3C, 0x4B, 0x02],
        "Sigma APO 300-800mm F5.6 EX DG HSM",
    ),
    (
        [0xD2, 0x3C, 0x8E, 0xB0, 0x3C, 0x3C, 0x4B, 0x02],
        "Sigma APO 300-800mm F5.6 EX DG HSM",
    ),
    (
        [0x00, 0x47, 0x25, 0x25, 0x24, 0x24, 0x00, 0x02],
        "Tamron SP AF 14mm f/2.8 Aspherical (IF) (69E)",
    ),
    (
        [0xC8, 0x54, 0x44, 0x44, 0x0D, 0x0D, 0xDF, 0x46],
        "Tamron SP 35mm f/1.4 Di USD (F045)",
    ),
    (
        [0xE8, 0x4C, 0x44, 0x44, 0x14, 0x14, 0xDF, 0x0E],
        "Tamron SP 35mm f/1.8 Di VC USD (F012)",
    ),
    (
        [0xE7, 0x4C, 0x4C, 0x4C, 0x14, 0x14, 0xDF, 0x0E],
        "Tamron SP 45mm f/1.8 Di VC USD (F013)",
    ),
    (
        [0xF4, 0x54, 0x56, 0x56, 0x18, 0x18, 0x84, 0x06],
        "Tamron SP AF 60mm f/2.0 Di II Macro 1:1 (G005)",
    ),
    (
        [0xE5, 0x4C, 0x62, 0x62, 0x14, 0x14, 0xC9, 0x4E],
        "Tamron SP 85mm f/1.8 Di VC USD (F016)",
    ),
    (
        [0x1E, 0x5D, 0x64, 0x64, 0x20, 0x20, 0x13, 0x00],
        "Tamron SP AF 90mm f/2.5 (52E)",
    ),
    (
        [0x20, 0x5A, 0x64, 0x64, 0x20, 0x20, 0x14, 0x00],
        "Tamron SP AF 90mm f/2.5 Macro (152E)",
    ),
    (
        [0x22, 0x53, 0x64, 0x64, 0x24, 0x24, 0xE0, 0x02],
        "Tamron SP AF 90mm f/2.8 Macro 1:1 (72E)",
    ),
    (
        [0x32, 0x53, 0x64, 0x64, 0x24, 0x24, 0x35, 0x02],
        "Tamron SP AF 90mm f/2.8 [Di] Macro 1:1 (172E/272E)",
    ),
    (
        [0xF8, 0x55, 0x64, 0x64, 0x24, 0x24, 0x84, 0x06],
        "Tamron SP AF 90mm f/2.8 Di Macro 1:1 (272NII)",
    ),
    (
        [0xF8, 0x54, 0x64, 0x64, 0x24, 0x24, 0xDF, 0x06],
        "Tamron SP AF 90mm f/2.8 Di Macro 1:1 (272NII)",
    ),
    (
        [0xFE, 0x54, 0x64, 0x64, 0x24, 0x24, 0xDF, 0x0E],
        "Tamron SP 90mm f/2.8 Di VC USD Macro 1:1 (F004)",
    ),
    (
        [0xE4, 0x54, 0x64, 0x64, 0x24, 0x24, 0xDF, 0x0E],
        "Tamron SP 90mm f/2.8 Di VC USD Macro 1:1 (F017)",
    ),
    (
        [0x00, 0x4C, 0x7C, 0x7C, 0x2C, 0x2C, 0x00, 0x02],
        "Tamron SP AF 180mm f/3.5 Di Model (B01)",
    ),
    (
        [0x21, 0x56, 0x8E, 0x8E, 0x24, 0x24, 0x14, 0x00],
        "Tamron SP AF 300mm f/2.8 LD-IF (60E)",
    ),
    (
        [0x27, 0x54, 0x8E, 0x8E, 0x24, 0x24, 0x1D, 0x02],
        "Tamron SP AF 300mm f/2.8 LD-IF (360E)",
    ),
    (
        [0xE1, 0x40, 0x19, 0x36, 0x2C, 0x35, 0xDF, 0x4E],
        "Tamron 10-24mm f/3.5-4.5 Di II VC HLD (B023)",
    ),
    (
        [0xE1, 0x40, 0x19, 0x36, 0x2C, 0x35, 0xDF, 0x0E],
        "Tamron 10-24mm f/3.5-4.5 Di II VC HLD (B023)",
    ),
    (
        [0xF6, 0x3F, 0x18, 0x37, 0x2C, 0x34, 0x84, 0x06],
        "Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF) (B001)",
    ),
    (
        [0xF6, 0x3F, 0x18, 0x37, 0x2C, 0x34, 0xDF, 0x06],
        "Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF) (B001)",
    ),
    (
        [0x00, 0x36, 0x1C, 0x2D, 0x34, 0x3C, 0x00, 0x06],
        "Tamron SP AF 11-18mm f/4.5-5.6 Di II LD Aspherical (IF) (A13)",
    ),
    (
        [0xE9, 0x48, 0x27, 0x3E, 0x24, 0x24, 0xDF, 0x0E],
        "Tamron SP 15-30mm f/2.8 Di VC USD (A012)",
    ),
    (
        [0xCA, 0x48, 0x27, 0x3E, 0x24, 0x24, 0xDF, 0x4E],
        "Tamron SP 15-30mm f/2.8 Di VC USD G2 (A041)",
    ),
    (
        [0xEA, 0x40, 0x29, 0x8E, 0x2C, 0x40, 0xDF, 0x0E],
        "Tamron 16-300mm f/3.5-6.3 Di II VC PZD (B016)",
    ),
    (
        [0x07, 0x46, 0x2B, 0x44, 0x24, 0x30, 0x03, 0x02],
        "Tamron SP AF 17-35mm f/2.8-4 Di LD Aspherical (IF) (A05)",
    ),
    (
        [0xCB, 0x3C, 0x2B, 0x44, 0x24, 0x31, 0xDF, 0x46],
        "Tamron 17-35mm f/2.8-4 Di OSD (A037)",
    ),
    (
        [0x00, 0x53, 0x2B, 0x50, 0x24, 0x24, 0x00, 0x06],
        "Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF) (A16)",
    ),
    (
        [0x7C, 0x54, 0x2B, 0x50, 0x24, 0x24, 0x00, 0x06],
        "Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF) (A16)",
    ),
    (
        [0x00, 0x54, 0x2B, 0x50, 0x24, 0x24, 0x00, 0x06],
        "Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF) (A16NII)",
    ),
    (
        [0xFB, 0x54, 0x2B, 0x50, 0x24, 0x24, 0x84, 0x06],
        "Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF) (A16NII)",
    ),
    (
        [0xF3, 0x54, 0x2B, 0x50, 0x24, 0x24, 0x84, 0x0E],
        "Tamron SP AF 17-50mm f/2.8 XR Di II VC LD Aspherical (IF) (B005)",
    ),
    (
        [0x00, 0x3F, 0x2D, 0x80, 0x2B, 0x40, 0x00, 0x06],
        "Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) (A14)",
    ),
    (
        [0x00, 0x3F, 0x2D, 0x80, 0x2C, 0x40, 0x00, 0x06],
        "Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro (A14)",
    ),
    (
        [0xEC, 0x3E, 0x3C, 0x8E, 0x2C, 0x40, 0xDF, 0x0E],
        "Tamron 28-300mm f/3.5-6.3 Di VC PZD A010",
    ),
    (
        [0x00, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0x00, 0x06],
        "Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro (A14NII)",
    ),
    (
        [0xFC, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0xDF, 0x06],
        "Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro (A14NII)",
    ),
    (
        [0xE6, 0x40, 0x2D, 0x80, 0x2C, 0x40, 0xDF, 0x0E],
        "Tamron 18-200mm f/3.5-6.3 Di II VC (B018)",
    ),
    (
        [0x00, 0x40, 0x2D, 0x88, 0x2C, 0x40, 0x62, 0x06],
        "Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical (IF) Macro (A18)",
    ),
    (
        [0x00, 0x40, 0x2D, 0x88, 0x2C, 0x40, 0x00, 0x06],
        "Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical (IF) Macro (A18NII)",
    ),
    (
        [0xF5, 0x40, 0x2C, 0x8A, 0x2C, 0x40, 0x40, 0x0E],
        "Tamron AF 18-270mm f/3.5-6.3 Di II VC LD Aspherical (IF) Macro (B003)",
    ),
    (
        [0xF0, 0x3F, 0x2D, 0x8A, 0x2C, 0x40, 0xDF, 0x0E],
        "Tamron AF 18-270mm f/3.5-6.3 Di II VC PZD (B008)",
    ),
    (
        [0xE0, 0x40, 0x2D, 0x98, 0x2C, 0x41, 0xDF, 0x0E],
        "Tamron 18-400mm f/3.5-6.3 Di II VC HLD (B028)",
    ),
    (
        [0xE0, 0x40, 0x2D, 0x98, 0x2C, 0x41, 0xDF, 0x4E],
        "Tamron 18-400mm f/3.5-6.3 Di II VC HLD (B028)",
    ),
    (
        [0x07, 0x40, 0x2F, 0x44, 0x2C, 0x34, 0x03, 0x02],
        "Tamron AF 19-35mm f/3.5-4.5 (A10)",
    ),
    (
        [0x00, 0x49, 0x30, 0x48, 0x22, 0x2B, 0x00, 0x02],
        "Tamron SP AF 20-40mm f/2.7-3.5 (166D)",
    ),
    (
        [0x0E, 0x4A, 0x31, 0x48, 0x23, 0x2D, 0x0E, 0x02],
        "Tamron SP AF 20-40mm f/2.7-3.5 (166D)",
    ),
    (
        [0xFE, 0x48, 0x37, 0x5C, 0x24, 0x24, 0xDF, 0x0E],
        "Tamron SP 24-70mm f/2.8 Di VC USD (A007)",
    ),
    (
        [0xCE, 0x47, 0x37, 0x5C, 0x25, 0x25, 0xDF, 0x4E],
        "Tamron SP 24-70mm f/2.8 Di VC USD G2 (A032)",
    ),
    (
        [0xCE, 0x00, 0x37, 0x5C, 0x25, 0x25, 0xDF, 0x4E],
        "Tamron SP 24-70mm f/2.8 Di VC USD G2 (A032)",
    ),
    (
        [0x45, 0x41, 0x37, 0x72, 0x2C, 0x3C, 0x48, 0x02],
        "Tamron SP AF 24-135mm f/3.5-5.6 AD Aspherical (IF) Macro (190D)",
    ),
    (
        [0x33, 0x54, 0x3C, 0x5E, 0x24, 0x24, 0x62, 0x02],
        "Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical (IF) Macro (A09)",
    ),
    (
        [0xFA, 0x54, 0x3C, 0x5E, 0x24, 0x24, 0x84, 0x06],
        "Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical (IF) Macro (A09NII)",
    ),
    (
        [0xFA, 0x54, 0x3C, 0x5E, 0x24, 0x24, 0xDF, 0x06],
        "Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical (IF) Macro (A09NII)",
    ),
    (
        [0x10, 0x3D, 0x3C, 0x60, 0x2C, 0x3C, 0xD2, 0x02],
        "Tamron AF 28-80mm f/3.5-5.6 Aspherical (177D)",
    ),
    (
        [0x45, 0x3D, 0x3C, 0x60, 0x2C, 0x3C, 0x48, 0x02],
        "Tamron AF 28-80mm f/3.5-5.6 Aspherical (177D)",
    ),
    (
        [0x00, 0x48, 0x3C, 0x6A, 0x24, 0x24, 0x00, 0x02],
        "Tamron SP AF 28-105mm f/2.8 LD Aspherical IF (176D)",
    ),
    (
        [0x4D, 0x3E, 0x3C, 0x80, 0x2E, 0x3C, 0x62, 0x02],
        "Tamron AF 28-200mm f/3.8-5.6 XR Aspherical (IF) Macro (A03N)",
    ),
    (
        [0x0B, 0x3E, 0x3D, 0x7F, 0x2F, 0x3D, 0x0E, 0x00],
        "Tamron AF 28-200mm f/3.8-5.6 (71D)",
    ),
    (
        [0x0B, 0x3E, 0x3D, 0x7F, 0x2F, 0x3D, 0x0E, 0x02],
        "Tamron AF 28-200mm f/3.8-5.6D (171D)",
    ),
    (
        [0x12, 0x3D, 0x3C, 0x80, 0x2E, 0x3C, 0xDF, 0x02],
        "Tamron AF 28-200mm f/3.8-5.6 AF Aspherical LD (IF) (271D)",
    ),
    (
        [0x4D, 0x41, 0x3C, 0x8E, 0x2B, 0x40, 0x62, 0x02],
        "Tamron AF 28-300mm f/3.5-6.3 XR Di LD Aspherical (IF) (A061)",
    ),
    (
        [0x4D, 0x41, 0x3C, 0x8E, 0x2C, 0x40, 0x62, 0x02],
        "Tamron AF 28-300mm f/3.5-6.3 XR LD Aspherical (IF) (185D)",
    ),
    (
        [0xF9, 0x40, 0x3C, 0x8E, 0x2C, 0x40, 0x40, 0x0E],
        "Tamron AF 28-300mm f/3.5-6.3 XR Di VC LD Aspherical (IF) Macro (A20)",
    ),
    (
        [0xC9, 0x3C, 0x44, 0x76, 0x25, 0x31, 0xDF, 0x4E],
        "Tamron 35-150mm f/2.8-4 Di VC OSD (A043)",
    ),
    (
        [0x00, 0x47, 0x53, 0x80, 0x30, 0x3C, 0x00, 0x06],
        "Tamron AF 55-200mm f/4-5.6 Di II LD (A15)",
    ),
    (
        [0xF7, 0x53, 0x5C, 0x80, 0x24, 0x24, 0x84, 0x06],
        "Tamron SP AF 70-200mm f/2.8 Di LD (IF) Macro (A001)",
    ),
    (
        [0xFE, 0x53, 0x5C, 0x80, 0x24, 0x24, 0x84, 0x06],
        "Tamron SP AF 70-200mm f/2.8 Di LD (IF) Macro (A001)",
    ),
    (
        [0xF7, 0x53, 0x5C, 0x80, 0x24, 0x24, 0x40, 0x06],
        "Tamron SP AF 70-200mm f/2.8 Di LD (IF) Macro (A001)",
    ),
    (
        [0xFE, 0x54, 0x5C, 0x80, 0x24, 0x24, 0xDF, 0x0E],
        "Tamron SP 70-200mm f/2.8 Di VC USD (A009)",
    ),
    (
        [0xE2, 0x47, 0x5C, 0x80, 0x24, 0x24, 0xDF, 0x4E],
        "Tamron SP 70-200mm f/2.8 Di VC USD G2 (A025)",
    ),
    (
        [0x69, 0x48, 0x5C, 0x8E, 0x30, 0x3C, 0x6F, 0x02],
        "Tamron AF 70-300mm f/4-5.6 LD Macro 1:2 (572D/772D)",
    ),
    (
        [0x69, 0x47, 0x5C, 0x8E, 0x30, 0x3C, 0x00, 0x02],
        "Tamron AF 70-300mm f/4-5.6 Di LD Macro 1:2 (A17N)",
    ),
    (
        [0x00, 0x48, 0x5C, 0x8E, 0x30, 0x3C, 0x00, 0x06],
        "Tamron AF 70-300mm f/4-5.6 Di LD Macro 1:2 (A17NII)",
    ),
    (
        [0xF1, 0x47, 0x5C, 0x8E, 0x30, 0x3C, 0xDF, 0x0E],
        "Tamron SP 70-300mm f/4-5.6 Di VC USD (A005)",
    ),
    (
        [0xCF, 0x47, 0x5C, 0x8E, 0x31, 0x3D, 0xDF, 0x0E],
        "Tamron SP 70-300mm f/4-5.6 Di VC USD (A030)",
    ),
    (
        [0xCC, 0x44, 0x68, 0x98, 0x34, 0x41, 0xDF, 0x0E],
        "Tamron 100-400mm f/4.5-6.3 Di VC USD",
    ),
    (
        [0xEB, 0x40, 0x76, 0xA6, 0x38, 0x40, 0xDF, 0x0E],
        "Tamron SP AF 150-600mm f/5-6.3 VC USD (A011)",
    ),
    (
        [0xE3, 0x40, 0x76, 0xA6, 0x38, 0x40, 0xDF, 0x4E],
        "Tamron SP 150-600mm f/5-6.3 Di VC USD G2",
    ),
    (
        [0xE3, 0x40, 0x76, 0xA6, 0x38, 0x40, 0xDF, 0x0E],
        "Tamron SP 150-600mm f/5-6.3 Di VC USD G2 (A022)",
    ),
    (
        [0x20, 0x3C, 0x80, 0x98, 0x3D, 0x3D, 0x1E, 0x02],
        "Tamron AF 200-400mm f/5.6 LD IF (75D)",
    ),
    (
        [0x00, 0x3E, 0x80, 0xA0, 0x38, 0x3F, 0x00, 0x02],
        "Tamron SP AF 200-500mm f/5-6.3 Di LD (IF) (A08)",
    ),
    (
        [0x00, 0x3F, 0x80, 0xA0, 0x38, 0x3F, 0x00, 0x02],
        "Tamron SP AF 200-500mm f/5-6.3 Di (A08)",
    ),
    (
        [0x00, 0x40, 0x2B, 0x2B, 0x2C, 0x2C, 0x00, 0x02],
        "Tokina AT-X 17 AF PRO (AF 17mm f/3.5)",
    ),
    (
        [0x00, 0x47, 0x44, 0x44, 0x24, 0x24, 0x00, 0x06],
        "Tokina AT-X M35 PRO DX (AF 35mm f/2.8 Macro)",
    ),
    (
        [0x8D, 0x54, 0x68, 0x68, 0x24, 0x24, 0x87, 0x02],
        "Tokina AT-X PRO 100mm F2.8 D Macro",
    ),
    (
        [0x00, 0x54, 0x68, 0x68, 0x24, 0x24, 0x00, 0x02],
        "Tokina AT-X M100 AF PRO D (AF 100mm f/2.8 Macro)",
    ),
    (
        [0x27, 0x48, 0x8E, 0x8E, 0x30, 0x30, 0x1D, 0x02],
        "Tokina AT-X 304 AF (AF 300mm f/4.0)",
    ),
    (
        [0x00, 0x54, 0x8E, 0x8E, 0x24, 0x24, 0x00, 0x02],
        "Tokina AT-X 300 AF PRO (AF 300mm f/2.8)",
    ),
    (
        [0x12, 0x3B, 0x98, 0x98, 0x3D, 0x3D, 0x09, 0x00],
        "Tokina AT-X 400 AF SD (AF 400mm f/5.6)",
    ),
    (
        [0x00, 0x40, 0x18, 0x2B, 0x2C, 0x34, 0x00, 0x06],
        "Tokina AT-X 107 AF DX Fisheye (AF 10-17mm f/3.5-4.5)",
    ),
    (
        [0x00, 0x48, 0x1C, 0x29, 0x24, 0x24, 0x00, 0x06],
        "Tokina AT-X 116 PRO DX (AF 11-16mm f/2.8)",
    ),
    (
        [0x7A, 0x48, 0x1C, 0x29, 0x24, 0x24, 0x7E, 0x06],
        "Tokina AT-X 116 PRO DX II (AF 11-16mm f/2.8)",
    ),
    (
        [0x80, 0x48, 0x1C, 0x29, 0x24, 0x24, 0x7A, 0x06],
        "Tokina atx-i 11-16mm F2.8 CF",
    ),
    (
        [0x7A, 0x48, 0x1C, 0x30, 0x24, 0x24, 0x7E, 0x06],
        "Tokina AT-X 11-20 F2.8 PRO DX (AF 11-20mm f/2.8)",
    ),
    (
        [0x8B, 0x48, 0x1C, 0x30, 0x24, 0x24, 0x85, 0x06],
        "Tokina AT-X 11-20 F2.8 PRO DX (AF 11-20mm f/2.8)",
    ),
    (
        [0x00, 0x3C, 0x1F, 0x37, 0x30, 0x30, 0x00, 0x06],
        "Tokina AT-X 124 AF PRO DX (AF 12-24mm f/4)",
    ),
    (
        [0x7A, 0x3C, 0x1F, 0x3C, 0x30, 0x30, 0x7E, 0x06],
        "Tokina AT-X 12-28 PRO DX (AF 12-28mm f/4)",
    ),
    (
        [0x00, 0x48, 0x29, 0x3C, 0x24, 0x24, 0x00, 0x06],
        "Tokina AT-X 16-28 AF PRO FX (AF 16-28mm f/2.8)",
    ),
    (
        [0x00, 0x48, 0x29, 0x50, 0x24, 0x24, 0x00, 0x06],
        "Tokina AT-X 165 PRO DX (AF 16-50mm f/2.8)",
    ),
    (
        [0x00, 0x40, 0x2A, 0x72, 0x2C, 0x3C, 0x00, 0x06],
        "Tokina AT-X 16.5-135 DX (AF 16.5-135mm F3.5-5.6)",
    ),
    (
        [0x00, 0x3C, 0x2B, 0x44, 0x30, 0x30, 0x00, 0x06],
        "Tokina AT-X 17-35 F4 PRO FX (AF 17-35mm f/4)",
    ),
    (
        [0x00, 0x48, 0x37, 0x5C, 0x24, 0x24, 0x00, 0x06],
        "Tokina AT-X 24-70 F2.8 PRO FX (AF 24-70mm f/2.8)",
    ),
    (
        [0x00, 0x40, 0x37, 0x80, 0x2C, 0x3C, 0x00, 0x02],
        "Tokina AT-X 242 AF (AF 24-200mm f/3.5-5.6)",
    ),
    (
        [0x07, 0x48, 0x3C, 0x5C, 0x24, 0x24, 0x03, 0x00],
        "Tokina AT-X 287 AF (AF 28-70mm f/2.8)",
    ),
    (
        [0x07, 0x47, 0x3C, 0x5C, 0x25, 0x35, 0x03, 0x00],
        "Tokina AF 287 SD (AF 28-70mm f/2.8-4.5)",
    ),
    (
        [0x07, 0x40, 0x3C, 0x5C, 0x2C, 0x35, 0x03, 0x00],
        "Tokina AF 270 II (AF 28-70mm f/3.5-4.5)",
    ),
    (
        [0x00, 0x48, 0x3C, 0x60, 0x24, 0x24, 0x00, 0x02],
        "Tokina AT-X 280 AF PRO (AF 28-80mm f/2.8)",
    ),
    (
        [0x25, 0x44, 0x44, 0x8E, 0x34, 0x42, 0x1B, 0x02],
        "Tokina AF 353 (AF 35-300mm f/4.5-6.7)",
    ),
    (
        [0x00, 0x48, 0x50, 0x72, 0x24, 0x24, 0x00, 0x06],
        "Tokina AT-X 535 PRO DX (AF 50-135mm f/2.8)",
    ),
    (
        [0x00, 0x3C, 0x5C, 0x80, 0x30, 0x30, 0x00, 0x0E],
        "Tokina AT-X 70-200 F4 FX VCM-S (AF 70-200mm f/4)",
    ),
    (
        [0x00, 0x48, 0x5C, 0x80, 0x30, 0x30, 0x00, 0x0E],
        "Tokina AT-X 70-200 F4 FX VCM-S (AF 70-200mm f/4)",
    ),
    (
        [0x12, 0x44, 0x5E, 0x8E, 0x34, 0x3C, 0x09, 0x00],
        "Tokina AF 730 (AF 75-300mm F4.5-5.6)",
    ),
    (
        [0x14, 0x54, 0x60, 0x80, 0x24, 0x24, 0x0B, 0x00],
        "Tokina AT-X 828 AF (AF 80-200mm f/2.8)",
    ),
    (
        [0x24, 0x54, 0x60, 0x80, 0x24, 0x24, 0x1A, 0x02],
        "Tokina AT-X 828 AF PRO (AF 80-200mm f/2.8)",
    ),
    (
        [0x24, 0x44, 0x60, 0x98, 0x34, 0x3C, 0x1A, 0x02],
        "Tokina AT-X 840 AF-II (AF 80-400mm f/4.5-5.6)",
    ),
    (
        [0x00, 0x44, 0x60, 0x98, 0x34, 0x3C, 0x00, 0x02],
        "Tokina AT-X 840 D (AF 80-400mm f/4.5-5.6)",
    ),
    (
        [0x14, 0x48, 0x68, 0x8E, 0x30, 0x30, 0x0B, 0x00],
        "Tokina AT-X 340 AF (AF 100-300mm f/4)",
    ),
    (
        [0x8C, 0x48, 0x29, 0x3C, 0x24, 0x24, 0x86, 0x06],
        "Tokina opera 16-28mm F2.8 FF",
    ),
    (
        [0x06, 0x3F, 0x68, 0x68, 0x2C, 0x2C, 0x06, 0x00],
        "Cosina AF 100mm F3.5 Macro",
    ),
    (
        [0x07, 0x36, 0x3D, 0x5F, 0x2C, 0x3C, 0x03, 0x00],
        "Cosina AF Zoom 28-80mm F3.5-5.6 MC Macro",
    ),
    (
        [0x07, 0x46, 0x3D, 0x6A, 0x25, 0x2F, 0x03, 0x00],
        "Cosina AF Zoom 28-105mm F2.8-3.8 MC",
    ),
    (
        [0x12, 0x36, 0x5C, 0x81, 0x35, 0x3D, 0x09, 0x00],
        "Cosina AF Zoom 70-210mm F4.5-5.6 MC Macro",
    ),
    (
        [0x12, 0x39, 0x5C, 0x8E, 0x34, 0x3D, 0x08, 0x02],
        "Cosina AF Zoom 70-300mm F4.5-5.6 MC Macro",
    ),
    (
        [0x12, 0x3B, 0x68, 0x8D, 0x3D, 0x43, 0x09, 0x02],
        "Cosina AF Zoom 100-300mm F5.6-6.7 MC Macro",
    ),
    (
        [0x12, 0x38, 0x69, 0x97, 0x35, 0x42, 0x09, 0x02],
        "Promaster Spectrum 7 100-400mm F4.5-6.7",
    ),
    (
        [0x00, 0x40, 0x31, 0x31, 0x2C, 0x2C, 0x00, 0x00],
        "Voigtlander Color Skopar 20mm F3.5 SLII Aspherical",
    ),
    (
        [0x00, 0x48, 0x3C, 0x3C, 0x24, 0x24, 0x00, 0x00],
        "Voigtlander Color Skopar 28mm F2.8 SL II",
    ),
    (
        [0x00, 0x54, 0x48, 0x48, 0x18, 0x18, 0x00, 0x00],
        "Voigtlander Ultron 40mm F2 SLII Aspherical",
    ),
    (
        [0x00, 0x54, 0x55, 0x55, 0x0C, 0x0C, 0x00, 0x00],
        "Voigtlander Nokton 58mm F1.4 SLII",
    ),
    (
        [0x00, 0x40, 0x64, 0x64, 0x2C, 0x2C, 0x00, 0x00],
        "Voigtlander APO-Lanthar 90mm F3.5 SLII Close Focus",
    ),
    (
        [0x71, 0x48, 0x64, 0x64, 0x24, 0x24, 0x00, 0x00],
        "Voigtlander APO-Skopar 90mm F2.8 SL IIs",
    ),
    (
        [0xFD, 0x00, 0x50, 0x50, 0x18, 0x18, 0xDF, 0x00],
        "Voigtlander APO-Lanthar 50mm F2 Aspherical",
    ),
    (
        [0xFD, 0x00, 0x44, 0x44, 0x18, 0x18, 0xDF, 0x00],
        "Voigtlander APO-Lanthar 35mm F2",
    ),
    (
        [0xFD, 0x00, 0x59, 0x59, 0x18, 0x18, 0xDF, 0x00],
        "Voigtlander Macro APO-Lanthar 65mm F2",
    ),
    (
        [0xFD, 0x00, 0x48, 0x48, 0x07, 0x07, 0xDF, 0x00],
        "Voigtlander Nokton 40mm F1.2 Aspherical",
    ),
    (
        [0xFD, 0x00, 0x3C, 0x3C, 0x18, 0x18, 0xDF, 0x00],
        "Voigtlander APO-Lanthar 28mm F2 Aspherical",
    ),
    (
        [0x00, 0x40, 0x2D, 0x2D, 0x2C, 0x2C, 0x00, 0x00],
        "Carl Zeiss Distagon T* 3.5/18 ZF.2",
    ),
    (
        [0x00, 0x48, 0x27, 0x27, 0x24, 0x24, 0x00, 0x00],
        "Carl Zeiss Distagon T* 2.8/15 ZF.2",
    ),
    (
        [0x00, 0x48, 0x32, 0x32, 0x24, 0x24, 0x00, 0x00],
        "Carl Zeiss Distagon T* 2.8/21 ZF.2",
    ),
    (
        [0x00, 0x54, 0x38, 0x38, 0x18, 0x18, 0x00, 0x00],
        "Carl Zeiss Distagon T* 2/25 ZF.2",
    ),
    (
        [0x00, 0x54, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x00],
        "Carl Zeiss Distagon T* 2/28 ZF.2",
    ),
    (
        [0x00, 0x54, 0x44, 0x44, 0x0C, 0x0C, 0x00, 0x00],
        "Carl Zeiss Distagon T* 1.4/35 ZF.2",
    ),
    (
        [0x00, 0x54, 0x44, 0x44, 0x18, 0x18, 0x00, 0x00],
        "Carl Zeiss Distagon T* 2/35 ZF.2",
    ),
    (
        [0x00, 0x54, 0x50, 0x50, 0x0C, 0x0C, 0x00, 0x00],
        "Carl Zeiss Planar T* 1.4/50 ZF.2",
    ),
    (
        [0x00, 0x54, 0x50, 0x50, 0x18, 0x18, 0x00, 0x00],
        "Carl Zeiss Makro-Planar T* 2/50 ZF.2",
    ),
    (
        [0x00, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0x00, 0x00],
        "Carl Zeiss Planar T* 1.4/85 ZF.2",
    ),
    (
        [0x00, 0x54, 0x68, 0x68, 0x18, 0x18, 0x00, 0x00],
        "Carl Zeiss Makro-Planar T* 2/100 ZF.2",
    ),
    (
        [0x00, 0x54, 0x72, 0x72, 0x18, 0x18, 0x00, 0x00],
        "Carl Zeiss Apo Sonnar T* 2/135 ZF.2",
    ),
    (
        [0x02, 0x54, 0x3C, 0x3C, 0x0C, 0x0C, 0x00, 0x00],
        "Zeiss Otus 1.4/28 ZF.2",
    ),
    (
        [0x00, 0x54, 0x53, 0x53, 0x0C, 0x0C, 0x00, 0x00],
        "Zeiss Otus 1.4/55",
    ),
    (
        [0x01, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0x00, 0x00],
        "Zeiss Otus 1.4/85",
    ),
    (
        [0x03, 0x54, 0x68, 0x68, 0x0C, 0x0C, 0x00, 0x00],
        "Zeiss Otus 1.4/100",
    ),
    (
        [0x52, 0x54, 0x44, 0x44, 0x18, 0x18, 0x00, 0x00],
        "Zeiss Milvus 35mm f/2",
    ),
    (
        [0x53, 0x54, 0x50, 0x50, 0x0C, 0x0C, 0x00, 0x00],
        "Zeiss Milvus 50mm f/1.4",
    ),
    (
        [0x54, 0x54, 0x50, 0x50, 0x18, 0x18, 0x00, 0x00],
        "Zeiss Milvus 50mm f/2 Macro",
    ),
    (
        [0x55, 0x54, 0x62, 0x62, 0x0C, 0x0C, 0x00, 0x00],
        "Zeiss Milvus 85mm f/1.4",
    ),
    (
        [0x56, 0x54, 0x68, 0x68, 0x18, 0x18, 0x00, 0x00],
        "Zeiss Milvus 100mm f/2 Macro",
    ),
    (
        [0x00, 0x54, 0x56, 0x56, 0x30, 0x30, 0x00, 0x00],
        "Coastal Optical Systems 60mm 1:4 UV-VIS-IR Macro Apo",
    ),
    (
        [0xBF, 0x4E, 0x26, 0x26, 0x1E, 0x1E, 0x01, 0x04],
        "Irix 15mm f/2.4 Firefly",
    ),
    (
        [0xBF, 0x3C, 0x1B, 0x1B, 0x30, 0x30, 0x01, 0x04],
        "Irix 11mm f/4 Firefly",
    ),
    (
        [0x4A, 0x40, 0x11, 0x11, 0x2C, 0x0C, 0x4D, 0x02],
        "Samyang 8mm f/3.5 Fish-Eye CS",
    ),
    (
        [0x4A, 0x48, 0x1E, 0x1E, 0x24, 0x0C, 0x4D, 0x02],
        "Samyang 12mm f/2.8 ED AS NCS Fish-Eye",
    ),
    (
        [0x4A, 0x4C, 0x24, 0x24, 0x1E, 0x6C, 0x4D, 0x06],
        "Samyang 14mm f/2.4 Premium",
    ),
    (
        [0x4A, 0x54, 0x29, 0x29, 0x18, 0x0C, 0x4D, 0x02],
        "Samyang 16mm f/2.0 ED AS UMC CS",
    ),
    (
        [0x4A, 0x60, 0x36, 0x36, 0x0C, 0x0C, 0x4D, 0x02],
        "Samyang 24mm f/1.4 ED AS UMC",
    ),
    (
        [0x4A, 0x60, 0x44, 0x44, 0x0C, 0x0C, 0x4D, 0x02],
        "Samyang 35mm f/1.4 AS UMC",
    ),
    (
        [0x4A, 0x60, 0x62, 0x62, 0x0C, 0x0C, 0x4D, 0x02],
        "Samyang AE 85mm f/1.4 AS IF UMC",
    ),
    (
        [0x9A, 0x4C, 0x50, 0x50, 0x14, 0x14, 0x9C, 0x06],
        "Yongnuo YN50mm F1.8N",
    ),
    (
        [0x9F, 0x48, 0x48, 0x48, 0x24, 0x24, 0xA1, 0x06],
        "Yongnuo YN40mm F2.8N",
    ),
    (
        [0x9F, 0x54, 0x68, 0x68, 0x18, 0x18, 0xA2, 0x06],
        "Yongnuo YN100mm F2N",
    ),
    (
        [0x9F, 0x4C, 0x44, 0x44, 0x18, 0x18, 0xA1, 0x06],
        "Yongnuo YN35mm F2",
    ),
    (
        [0x9F, 0x4D, 0x50, 0x50, 0x14, 0x14, 0xA0, 0x06],
        "Yongnuo YN50mm F1.8N",
    ),
    (
        [0x02, 0x40, 0x44, 0x5C, 0x2C, 0x34, 0x02, 0x00],
        "Exakta AF 35-70mm 1:3.5-4.5 MC",
    ),
    (
        [0x07, 0x3E, 0x30, 0x43, 0x2D, 0x35, 0x03, 0x00],
        "Soligor AF Zoom 19-35mm 1:3.5-4.5 MC",
    ),
    (
        [0x03, 0x43, 0x5C, 0x81, 0x35, 0x35, 0x02, 0x00],
        "Soligor AF C/D Zoom UMCS 70-210mm 1:4.5",
    ),
    (
        [0x12, 0x4A, 0x5C, 0x81, 0x31, 0x3D, 0x09, 0x00],
        "Soligor AF C/D Auto Zoom+Macro 70-210mm 1:4-5.6 UMCS",
    ),
    (
        [0x12, 0x36, 0x69, 0x97, 0x35, 0x42, 0x09, 0x00],
        "Soligor AF Zoom 100-400mm 1:4.5-6.7 MC",
    ),
    (
        [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01],
        "Manual Lens No CPU",
    ),
    (
        [0x00, 0x00, 0x48, 0x48, 0x53, 0x53, 0x00, 0x01],
        "Loreo 40mm F11-22 3D Lens in a Cap 9005",
    ),
    (
        [0x00, 0x47, 0x10, 0x10, 0x24, 0x24, 0x00, 0x00],
        "Fisheye Nikkor 8mm f/2.8 AiS",
    ),
    (
        [0x00, 0x47, 0x3C, 0x3C, 0x24, 0x24, 0x00, 0x00],
        "Nikkor 28mm f/2.8 AiS",
    ),
    (
        [0x00, 0x57, 0x50, 0x50, 0x14, 0x14, 0x00, 0x00],
        "Nikkor 50mm f/1.8 AI",
    ),
    (
        [0x00, 0x48, 0x50, 0x50, 0x18, 0x18, 0x00, 0x00],
        "Nikkor H 50mm f/2",
    ),
    (
        [0x00, 0x48, 0x68, 0x68, 0x24, 0x24, 0x00, 0x00],
        "Series E 100mm f/2.8",
    ),
    (
        [0x00, 0x4C, 0x6A, 0x6A, 0x20, 0x20, 0x00, 0x00],
        "Nikkor 105mm f/2.5 AiS",
    ),
    (
        [0x00, 0x48, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00],
        "Nikkor 200mm f/4 AiS",
    ),
    (
        [0x00, 0x40, 0x11, 0x11, 0x2C, 0x2C, 0x00, 0x00],
        "Samyang 8mm f/3.5 Fish-Eye",
    ),
    (
        [0x00, 0x58, 0x64, 0x64, 0x20, 0x20, 0x00, 0x00],
        "Soligor C/D Macro MC 90mm f/2.5",
    ),
    (
        [0x4A, 0x58, 0x30, 0x30, 0x14, 0x0C, 0x4D, 0x02],
        "Rokinon 20mm f/1.8 ED AS UMC",
    ),
    (
        [0xA0, 0x56, 0x44, 0x44, 0x14, 0x14, 0xA2, 0x06],
        "Sony FE 35mm F1.8",
    ),
    (
        [0xA0, 0x37, 0x5C, 0x8E, 0x34, 0x3C, 0xA2, 0x06],
        "Sony FE 70-300mm F4.5-5.6 G OSS",
    ),
];

// ============================================================================
// MWG (Metadata Working Group) composite tags
// ============================================================================

/// MWG tag mapping: (mwg_name, description, sources) where sources are checked
/// in priority order. Each source is (group_prefix, tag_name).
/// `group_prefix` is matched against family0 or family1; empty means any group.
#[allow(clippy::type_complexity)]
const MWG_MAPPINGS: &[(&str, &str, &[(&str, &str)])] = &[
    (
        "Description",
        "Description",
        &[
            ("XMP", "Description"),
            ("EXIF", "ImageDescription"),
            ("IPTC", "Caption-Abstract"),
        ],
    ),
    (
        "DateTimeOriginal",
        "Date/Time Original",
        &[
            ("EXIF", "DateTimeOriginal"),
            ("XMP", "DateCreated"),
            ("IPTC", "DateCreated"),
        ],
    ),
    (
        "CreateDate",
        "Create Date",
        &[
            ("XMP", "CreateDate"),
            ("EXIF", "CreateDate"),
            ("IPTC", "DigitalCreationDate"),
        ],
    ),
    (
        "Copyright",
        "Copyright",
        &[
            ("XMP", "Rights"),
            ("EXIF", "Copyright"),
            ("IPTC", "CopyrightNotice"),
        ],
    ),
    (
        "Creator",
        "Creator",
        &[("XMP", "Creator"), ("EXIF", "Artist"), ("IPTC", "By-line")],
    ),
    (
        "Keywords",
        "Keywords",
        &[("XMP", "Subject"), ("IPTC", "Keywords")],
    ),
    ("City", "City", &[("XMP", "City"), ("IPTC", "City")]),
    (
        "State",
        "State",
        &[("XMP", "State"), ("IPTC", "Province-State")],
    ),
    (
        "Country",
        "Country",
        &[("XMP", "Country"), ("IPTC", "Country-PrimaryLocationName")],
    ),
    (
        "Location",
        "Location",
        &[("XMP", "Location"), ("IPTC", "Sub-location")],
    ),
    ("Rating", "Rating", &[("XMP", "Rating")]),
];

/// Compute MWG composite tags from existing tags.
///
/// For each MWG mapping, checks sources in priority order and creates a
/// composite tag with the first found value.
pub fn compute_mwg_composites(tags: &[Tag]) -> Vec<Tag> {
    let mut mwg_tags = Vec::new();

    for &(mwg_name, description, sources) in MWG_MAPPINGS {
        // Find the first matching source tag
        let found = sources
            .iter()
            .find_map(|&(group, tag_name)| find_tag_with_group(tags, tag_name, group));

        if let Some(source_tag) = found {
            mwg_tags.push(Tag {
                id: TagId::Text(format!("MWG:{}", mwg_name)),
                name: mwg_name.to_string(),
                description: description.to_string(),
                group: TagGroup {
                    family0: "Composite".to_string(),
                    family1: "MWG".to_string(),
                    family2: "Other".to_string(),
                },
                raw_value: source_tag.raw_value.clone(),
                print_value: source_tag.print_value.clone(),
                priority: 10, // High priority so MWG tags take precedence
            });
        }
    }

    mwg_tags
}

/// Find a tag matching the given name and group prefix.
fn find_tag_with_group<'a>(tags: &'a [Tag], name: &str, group: &str) -> Option<&'a Tag> {
    let name_lower = name.to_lowercase();
    let group_lower = group.to_lowercase();
    tags.iter().find(|t| {
        t.name.to_lowercase() == name_lower
            && (t.group.family0.to_lowercase().contains(&group_lower)
                || t.group.family1.to_lowercase().contains(&group_lower))
    })
}

/// MWG write tag mapping: (mwg_tag_name, write_targets).
/// Each write target is "Group:TagName" for `set_new_value`.
const MWG_WRITE_MAPPINGS: &[(&str, &[&str])] = &[
    (
        "Description",
        &[
            "XMP-dc:Description",
            "EXIF:ImageDescription",
            "IPTC:Caption-Abstract",
        ],
    ),
    (
        "DateTimeOriginal",
        &[
            "EXIF:DateTimeOriginal",
            "XMP-photoshop:DateCreated",
            "IPTC:DateCreated",
        ],
    ),
    (
        "CreateDate",
        &[
            "XMP-xmp:CreateDate",
            "EXIF:CreateDate",
            "IPTC:DigitalCreationDate",
        ],
    ),
    (
        "Copyright",
        &["XMP-dc:Rights", "EXIF:Copyright", "IPTC:CopyrightNotice"],
    ),
    (
        "Creator",
        &["XMP-dc:Creator", "EXIF:Artist", "IPTC:By-line"],
    ),
    ("Keywords", &["XMP-dc:Subject", "IPTC:Keywords"]),
    ("City", &["XMP-photoshop:City", "IPTC:City"]),
    ("State", &["XMP-photoshop:State", "IPTC:Province-State"]),
    (
        "Country",
        &["XMP-photoshop:Country", "IPTC:Country-PrimaryLocationName"],
    ),
    ("Location", &["XMP-iptcCore:Location", "IPTC:Sub-location"]),
    ("Rating", &["XMP-xmp:Rating"]),
];

/// Expand an MWG tag name into the list of concrete tags to write.
///
/// If the tag matches an MWG name (case-insensitive), returns all corresponding
/// write targets. Otherwise returns the original tag unchanged.
pub fn expand_mwg_write_tag(tag: &str) -> Vec<String> {
    // Strip any "MWG:" prefix if present
    let bare = if let Some(stripped) = tag.strip_prefix("MWG:") {
        stripped
    } else {
        tag
    };

    for &(mwg_name, targets) in MWG_WRITE_MAPPINGS {
        if bare.eq_ignore_ascii_case(mwg_name) {
            return targets.iter().map(|t| t.to_string()).collect();
        }
    }

    // Not an MWG tag, return as-is
    vec![tag.to_string()]
}

#[cfg(test)]
mod tests {
    use super::*;

    /// Helper to create a tag with the given name, group family0/family1, and value.
    fn make_tag(name: &str, family0: &str, family1: &str, value: &str) -> Tag {
        Tag {
            id: TagId::Text(format!("{}:{}", family0, name)),
            name: name.to_string(),
            description: name.to_string(),
            group: TagGroup {
                family0: family0.to_string(),
                family1: family1.to_string(),
                family2: "Other".to_string(),
            },
            raw_value: Value::String(value.to_string()),
            print_value: value.to_string(),
            priority: 0,
        }
    }

    #[test]
    fn test_mwg_description_priority() {
        // XMP-dc:Description should take priority over EXIF:ImageDescription
        let tags = vec![
            make_tag("ImageDescription", "EXIF", "IFD0", "EXIF description"),
            make_tag("Description", "XMP", "XMP-dc", "XMP description"),
        ];
        let mwg = compute_mwg_composites(&tags);
        let desc = mwg.iter().find(|t| t.name == "Description");
        assert!(desc.is_some(), "MWG Description should be present");
        assert_eq!(desc.unwrap().print_value, "XMP description");
    }

    #[test]
    fn test_mwg_no_source_tags() {
        // Empty tag list should produce no MWG composites
        let mwg = compute_mwg_composites(&[]);
        assert!(mwg.is_empty(), "No MWG composites from empty tags");
    }

    #[test]
    fn test_mwg_fallback_to_exif() {
        // When only EXIF tag is present, MWG should fall back to it
        let tags = vec![make_tag("ImageDescription", "EXIF", "IFD0", "EXIF only")];
        let mwg = compute_mwg_composites(&tags);
        let desc = mwg.iter().find(|t| t.name == "Description");
        assert!(desc.is_some(), "MWG Description should fall back to EXIF");
        assert_eq!(desc.unwrap().print_value, "EXIF only");
    }

    #[test]
    fn test_expand_mwg_write_tag() {
        // "Description" should expand to XMP, EXIF, and IPTC targets
        let targets = expand_mwg_write_tag("Description");
        assert_eq!(targets.len(), 3);
        assert!(targets.contains(&"XMP-dc:Description".to_string()));
        assert!(targets.contains(&"EXIF:ImageDescription".to_string()));
        assert!(targets.contains(&"IPTC:Caption-Abstract".to_string()));
    }

    #[test]
    fn test_expand_mwg_write_tag_with_prefix() {
        // "MWG:Description" should also expand
        let targets = expand_mwg_write_tag("MWG:Description");
        assert_eq!(targets.len(), 3);
    }

    #[test]
    fn test_expand_mwg_write_tag_non_mwg() {
        // Non-MWG tag should be returned as-is
        let targets = expand_mwg_write_tag("Artist");
        assert_eq!(targets, vec!["Artist".to_string()]);
    }

    #[test]
    fn test_expand_mwg_write_tag_case_insensitive() {
        let targets = expand_mwg_write_tag("description");
        assert_eq!(targets.len(), 3);
    }

    // ── Composite tag computation tests ────────────────────────────

    /// Helper to create an EXIF tag with a typed Value.
    fn make_exif_tag(name: &str, value: Value, print: &str) -> Tag {
        Tag {
            id: TagId::Numeric(0),
            name: name.to_string(),
            description: name.to_string(),
            group: TagGroup {
                family0: "EXIF".to_string(),
                family1: "ExifIFD".to_string(),
                family2: "Image".to_string(),
            },
            raw_value: value,
            print_value: print.to_string(),
            priority: 0,
        }
    }

    fn make_gps_tag(name: &str, value: Value, print: &str) -> Tag {
        Tag {
            id: TagId::Numeric(0),
            name: name.to_string(),
            description: name.to_string(),
            group: TagGroup {
                family0: "EXIF".to_string(),
                family1: "GPS".to_string(),
                family2: "Location".to_string(),
            },
            raw_value: value,
            print_value: print.to_string(),
            priority: 0,
        }
    }

    #[test]
    fn empty_tags_produce_no_composites() {
        let result = compute_composite_tags(&[]);
        assert!(result.is_empty());
    }

    #[test]
    fn image_size_from_width_and_height() {
        let tags = vec![
            make_exif_tag("ImageWidth", Value::U32(1920), "1920"),
            make_exif_tag("ImageHeight", Value::U32(1080), "1080"),
        ];
        let composites = compute_composite_tags(&tags);
        let size = composites.iter().find(|t| t.name == "ImageSize");
        assert!(size.is_some(), "ImageSize composite not found");
        assert_eq!(size.unwrap().print_value, "1920x1080");
    }

    #[test]
    fn megapixels_from_image_size() {
        let tags = vec![
            make_exif_tag("ImageWidth", Value::U32(4000), "4000"),
            make_exif_tag("ImageHeight", Value::U32(3000), "3000"),
        ];
        let composites = compute_composite_tags(&tags);
        let mp = composites.iter().find(|t| t.name == "Megapixels");
        assert!(mp.is_some(), "Megapixels composite not found");
        assert_eq!(mp.unwrap().print_value, "12.0");
    }

    #[test]
    fn gps_position_from_lat_lon() {
        let tags = vec![
            make_gps_tag(
                "GPSLatitude",
                Value::List(vec![
                    Value::URational(48, 1),
                    Value::URational(51, 1),
                    Value::URational(24, 1),
                ]),
                "48 deg 51' 24\"",
            ),
            make_gps_tag("GPSLatitudeRef", Value::String("N".into()), "N"),
            make_gps_tag(
                "GPSLongitude",
                Value::List(vec![
                    Value::URational(2, 1),
                    Value::URational(21, 1),
                    Value::URational(7, 1),
                ]),
                "2 deg 21' 7\"",
            ),
            make_gps_tag("GPSLongitudeRef", Value::String("E".into()), "E"),
        ];
        let composites = compute_composite_tags(&tags);
        let pos = composites.iter().find(|t| t.name == "GPSPosition");
        assert!(pos.is_some(), "GPSPosition composite not found");
        let pv = &pos.unwrap().print_value;
        assert!(pv.contains("deg"), "expected degrees in: {}", pv);
        assert!(pv.contains(", "), "expected comma separator in: {}", pv);
    }

    #[test]
    fn gps_position_south_west_negative() {
        let tags = vec![
            make_gps_tag(
                "GPSLatitude",
                Value::List(vec![
                    Value::URational(33, 1),
                    Value::URational(52, 1),
                    Value::URational(0, 1),
                ]),
                "33 deg 52' 0\"",
            ),
            make_gps_tag("GPSLatitudeRef", Value::String("S".into()), "S"),
            make_gps_tag(
                "GPSLongitude",
                Value::List(vec![
                    Value::URational(151, 1),
                    Value::URational(12, 1),
                    Value::URational(0, 1),
                ]),
                "151 deg 12' 0\"",
            ),
            make_gps_tag("GPSLongitudeRef", Value::String("W".into()), "W"),
        ];
        let composites = compute_composite_tags(&tags);
        let pos = composites.iter().find(|t| t.name == "GPSPosition");
        assert!(pos.is_some(), "GPSPosition composite not found");
        let pv = &pos.unwrap().print_value;
        assert!(pv.starts_with('-'), "expected negative latitude in: {}", pv);
        let parts: Vec<&str> = pv.split(", ").collect();
        assert!(
            parts.len() == 2 && parts[1].starts_with('-'),
            "expected negative longitude in: {}",
            pv
        );
    }

    #[test]
    fn shutter_speed_from_exposure_time() {
        let tags = vec![make_exif_tag(
            "ExposureTime",
            Value::URational(1, 125),
            "1/125",
        )];
        let composites = compute_composite_tags(&tags);
        let ss = composites.iter().find(|t| t.name == "ShutterSpeed");
        assert!(ss.is_some(), "ShutterSpeed composite not found");
    }

    #[test]
    fn aperture_from_fnumber() {
        let tags = vec![make_exif_tag("FNumber", Value::URational(28, 10), "2.8")];
        let composites = compute_composite_tags(&tags);
        let ap = composites.iter().find(|t| t.name == "Aperture");
        assert!(ap.is_some(), "Aperture composite not found");
        assert_eq!(ap.unwrap().print_value, "2.8");
    }

    #[test]
    fn light_value_from_aperture_shutter_iso() {
        let tags = vec![
            make_exif_tag("FNumber", Value::URational(4, 1), "4.0"),
            make_exif_tag("ExposureTime", Value::URational(1, 125), "1/125"),
            make_exif_tag("ISO", Value::U16(100), "100"),
        ];
        let composites = compute_composite_tags(&tags);
        let lv = composites.iter().find(|t| t.name == "LightValue");
        assert!(lv.is_some(), "LightValue composite not found");
        let val: f64 = lv
            .unwrap()
            .print_value
            .parse()
            .expect("LV should be numeric");
        assert!((val - 11.0).abs() < 1.0, "LV expected ~11, got: {}", val);
    }

    #[test]
    fn no_gps_without_longitude() {
        let tags = vec![make_gps_tag(
            "GPSLatitude",
            Value::List(vec![
                Value::URational(48, 1),
                Value::URational(51, 1),
                Value::URational(24, 1),
            ]),
            "48 deg 51' 24\"",
        )];
        let composites = compute_composite_tags(&tags);
        assert!(
            composites.iter().all(|t| t.name != "GPSPosition"),
            "GPSPosition should not be generated without GPSLongitude"
        );
    }

    #[test]
    fn no_image_size_without_height() {
        let tags = vec![make_exif_tag("ImageWidth", Value::U32(800), "800")];
        let composites = compute_composite_tags(&tags);
        assert!(
            composites.iter().all(|t| t.name != "ImageSize"),
            "ImageSize should not be generated without ImageHeight"
        );
    }

    #[test]
    fn composite_tags_in_composite_group() {
        let tags = vec![
            make_exif_tag("ImageWidth", Value::U32(640), "640"),
            make_exif_tag("ImageHeight", Value::U32(480), "480"),
        ];
        let composites = compute_composite_tags(&tags);
        for tag in &composites {
            assert_eq!(tag.group.family0, "Composite");
            assert_eq!(tag.group.family1, "Composite");
        }
    }
}