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Quick take: The EOS R6 has the highest resolution at 20MP; the EOS-1D is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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EOS-1D — Professional Digital Camera History Collectors: Canon's first pro digital DSLR — a 4MP, 8fps APS-H monster from 2001 that set the template for every 1D to follow. A landmark piece of digital camera history.
EOS R6 — Wedding, Portrait, Sports, Video: The camera that made Canon's RF system worth taking seriously.
| Specification | EOS-1DCanon · 2001 | EOS R6Canon · 2020 |
|---|---|---|
| Price | £150Best | £1,299 |
| Sensor | 4.1MP APS-H CMOS (1.3× crop) | Full-frame CMOS 35mm |
| Resolution | 4.1MP | 20.1MPBest |
| Video | — | 4K 60fps (crop), 4K 30fps (full), 1080p 120fps |
| Autofocus | 45-point AF with 7 cross-type points | Dual Pixel CMOS AF II, 6072 AF positions, subject tracking |
| Stabilisation | — | 5-axis IBIS, up to 8 stops coordinated IS |
| Burst Rate | 8fps continuous (up to 21 RAW frames) | 12fps mechanical, 20fps electronicBest |
| Battery Life | ~1200 shots per chargeBest | 380 shots (LCD), 510 shots (EVF) |
| Weight | 1225g (body only) | 598g (body only)Best |
| Dimensions | 155.6 × 117.8 × 77.5mm | 138.4 × 97.5 × 88.4mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | OVF, 0.72× magnification, 100% coverage | EVF 0.76× 3.69M-dot |
| Screen | 2.0" fixed LCD | 3.0" fully articulating touchscreen, 1.62M-dot |
| Mount | Canon EF | Canon RF |
| Memory Cards | CompactFlash Type I/II | 2× SD UHS-II |
| Connectivity | USB 1.1, FireWire | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1, HDMI |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →