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Quick take: The EOS R50 has the highest resolution at 24MP; the EOS-1Ds is the most affordable; only the EOS-1Ds is weather sealed.
16 specs side by side·16 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 R50 — Beginners & Family: Canon's most beginner-friendly RF body — Dual Pixel AF and beautiful colour science in an approachable package.
| Specification | EOS-1DsCanon · 2002 | EOS R50Canon · 2023 |
|---|---|---|
| Price | £200Best | £729 |
| Sensor | 11.1MP full-frame CMOS | 24.2MP APS-C CMOS |
| Resolution | 11.1MP | 24.2MPBest |
| Video | — | 4K/30p (uncropped 4K/24p), FHD/60p |
| Autofocus | 45-point AF with 7 cross-type points | Dual Pixel CMOS AF II, face/eye/subject tracking |
| Stabilisation | — | No stabilisation |
| Burst Rate | 3fps continuous | 12fps mechanical, 15fps electronicBest |
| Battery Life | ~500 shots per chargeBest | ~380 shots (CIPA) |
| Weight | 1270g (body only) | 375g (body only)Best |
| Dimensions | 155.6 × 117.8 × 79.9mm | 116.3 × 85.5 × 68.8mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | OVF, 0.70× magnification, 100% coverage | EVF, 2.36M dots |
| Screen | 2.0" fixed LCD | 3.0" vari-angle touchscreen |
| Mount | Canon EF | Canon RF-S / RF |
| Memory Cards | CompactFlash Type I/II | Single SD UHS-II slot |
| Connectivity | USB 1.1, FireWire | USB-C, Bluetooth, Wi-Fi |
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 →