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Quick take: The A1 II has the highest resolution at 50MP; the EOS M100 is the most affordable; only the A1 II is weather sealed.
Where the EOS M100 wins
Where the A1 II wins
16 specs side by side·15 genres scored·UK prices from Wex Photo Video, Clifton Cameras, MPB, eBay and Amazon UK
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The EOS M100 is 28 mm narrower, 30 mm shorter, 48 mm slimmer and 441 g lighter than the A1 II.
Drawn to scale from the makers' dimensions (W × H × D). Front shown, depth on the slanted edge.
EOS M100 — Casual & Everyday: The EOS M100 is Canon's most stripped-back EF-M camera — small, simple, and focused on making great photos easy. Dual Pixel AF, 24MP, and a tilting touchscreen are its strengths; no EVF, no IBIS, and no 4K are its compromises. A solid, affordable first mirrorless for casual photographers who want more than a smartphone.
A1 II — Professional Sports, Wildlife & High-Resolution Studio Work: The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
| Specification | EOS M100Canon · 2017 | A1 IISony · 2024 |
|---|---|---|
| Price | £102 usedBest | £5,699 |
| Sensor | 24.2MP APS-C CMOS (Dual Pixel) | 50.1MP full-frame stacked BSI CMOS |
| Resolution | 24.2MP | 50.1MPBest |
| Video | 1080p/60p | 8K/30p, 4K/120p 10-bit, S-Log3 |
| Autofocus | Dual Pixel CMOS AF with face and subject detection | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | — | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | 6.1fps | 30fps electronic (with full AF/AE), 10fps mechanicalBest |
| Battery Life | ~295 shots (CIPA) | ~530 shots (CIPA)Best |
| Weight | 266g (body only)Best | 743g (body only) |
| Dimensions | 108.2 × 67.1 × 35.1mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | No viewfinder | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | Canon EF-M mount | Sony E-mount (full-frame) |
| Memory Cards | Single SD UHS-I slot | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB, Wi-Fi, Bluetooth, NFC | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size |
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 →