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Quick take: The EOS R6 has the highest resolution at 20MP; the EOS-1Ds 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-1Ds — Full-Frame Dslr History & Canon Archive Collections: The world's first production full-frame DSLR — the EOS-1Ds arrived in 2002 with 11MP and changed professional photography forever. Historically irreplaceable.
EOS R6 — Wedding, Portrait, Sports, Video: The camera that made Canon's RF system worth taking seriously.
| Specification | EOS-1DsCanon · 2002 | EOS R6Canon · 2020 |
|---|---|---|
| Price | £200Best | £1,299 |
| Sensor | 11.1MP full-frame CMOS | Full-frame CMOS 35mm |
| Resolution | 11.1MP | 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 | 3fps continuous | 12fps mechanical, 20fps electronicBest |
| Battery Life | ~500 shots per chargeBest | 380 shots (LCD), 510 shots (EVF) |
| Weight | 1270g (body only) | 598g (body only)Best |
| Dimensions | 155.6 × 117.8 × 79.9mm | 138.4 × 97.5 × 88.4mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | OVF, 0.70× 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 →