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Quick take: The EOS M has the highest resolution at 18MP; the EOS M is the most affordable; only the EOS-1D is weather sealed.
15 specs side by side·13 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 M — Canon Mirrorless History & Ef-M Collectors: Canon's first mirrorless — a historic body that broke new ground with touch-AF and EF-M, but its sluggish contrast-detect system quickly became its Achilles heel.
| Specification | EOS-1DCanon · 2001 | EOS MCanon · 2012 |
|---|---|---|
| Price | £150 | £80Best |
| Sensor | 4.1MP APS-H CMOS (1.3× crop) | 18MP APS-C CMOS |
| Resolution | 4.1MP | 18.0MPBest |
| Video | — | 1080p 30fps |
| Autofocus | 45-point AF with 7 cross-type points | Hybrid CMOS AF (phase + contrast), notoriously slow |
| Burst Rate | 8fps continuous (up to 21 RAW frames)Best | 4fps |
| Battery Life | ~1200 shots per chargeBest | ~230 shots (CIPA) |
| Weight | 1225g (body only) | 262g (body only)Best |
| Dimensions | 155.6 × 117.8 × 77.5mm | 108.6 × 66.5 × 32.3mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | OVF, 0.72× magnification, 100% coverage | No viewfinder |
| Screen | 2.0" fixed LCD | 3.0" fixed touchscreen, 1.04M dots |
| Mount | Canon EF | Canon EF-M mount |
| Memory Cards | CompactFlash Type I/II | 1× SD/SDHC/SDXC |
| Connectivity | USB 1.1, FireWire | USB 2.0 |
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 →