Decision tools · Compare
OM-5 Mark II vs A1 II
Quick take: The A1 II has the highest resolution at 50MP; the OM-5 Mark II is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Sony
A1 II 2024
Best for Professional sports, wildlife & high-resolution studio work
£5699
new today at Clifton Cameras
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Verdictwhich should you buy?
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.
Who should buy what
A1 II (2024)
is the right camera for you if…
- Professional sports and wildlife photographers who need 30fps, 50MP, and the best AF available
- Commercial and advertising photographers who demand 50MP resolution alongside pro video specs
- Photojournalists who need a single body capable of handling every assignment
- Sony system shooters ready to invest in the absolute best
Full specificationsthe better value in each row is highlighted
| Specification | OM-5 Mark IIOM System · 2025 | A1 IISony · 2024 |
|---|---|---|
| Price | £880Best | £5,699 |
| Sensor | 20.4MP Four Thirds Live MOS | 50.1MP full-frame stacked BSI CMOS |
| Resolution | 20.4MP | 50.1MPBest |
| Video | 4K/30p, OM-Log400 | 8K/30p, 4K/120p 10-bit, S-Log3 |
| Autofocus | Phase-hybrid AF (121 cross-type points) | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | Up to 7.5-stop Sync IS (6.5-stop body-only) | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | 10fps (AF tracking), 30fps (locked) | 30fps electronic (with full AF/AE), 10fps mechanicalBest |
| Battery Life | 310 shots (CIPA) | ~530 shots (CIPA)Best |
| Weight | 370g (body only)Best | 743g (body only) |
| Dimensions | — | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 1.37x magnification | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | Fully articulating touchscreen | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | Micro Four Thirds | Sony E-mount (full-frame) |
| Memory Cards | Single SD (UHS-II) | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C, Wi-Fi, Bluetooth | 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.
How they score by genreengine base scores out of 10
Genre
OM-5 Mark II
A1 II
Portrait
6.5/10
9.0/10
Street
6.9/10
6.6/10
Travel
6.9/10
6.6/10
Wedding & Events
5.4/10
8.7/10
Vlogging & Video
6.5/10
6.6/10
Filmmaking
5.1/10
8.2/10
Documentary
6.3/10
8.3/10
Sports & Action
6.7/10
9.3/10
Landscape
6.0/10
8.0/10
Wildlife
7.4/10
9.2/10
Casual
6.1/10
5.3/10
Food
6.9/10
8.5/10
Macro
8.1/10
8.1/10
Architecture
6.0/10
8.4/10
Astrophotography
5.5/10
7.2/10
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 →
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