OM-D E-M10 IVvs A1 II
VS
Sony
A1 II (2025)
Starting from £6500 new
Best for Professional sports, wildlife & high-resolution studio work
View A1 II
GearScore™ Verdict — Which should you buy?
Travel & Everyday — OM-D E-M10 IV (2020): Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.
Professional Sports, Wildlife & High-Resolution Studio Work — A1 II (2025): The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
Who should buy what
OM-D E-M10 IV (2020)
- Beginners and enthusiasts who want a compact, stylish Micro Four Thirds camera
- Travellers who want a small, light system without sacrificing image quality
- Smartphone upgraders who want a proper camera that still fits in a bag
- Anyone who wants built-in selfie capability in a traditional camera body
A1 II (2025)
- 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
Quick take: The a1 ii has the highest resolution at 50mp; the om-d e-m10 iv is the most affordable; only the a1 ii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-D E-M10 IV (2020) | A1 II (2025) |
|---|---|---|
| Price | £469 | £6,500 |
| Sensor | 20.3MP Micro Four Thirds Live MOS | 50.1MP full-frame stacked BSI CMOS |
| Resolution | 20.3MP | 50.1MP |
| Video | 4K/30p, 1080p/60p | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion |
| Autofocus | Phase-detect + contrast detect, 121 points | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | 5-axis IBIS, 4.5 stops | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | 15fps | 30fps electronic (with full AF/AE), 10fps mechanical |
| Battery Life | ~360 shots (CIPA) | ~530 shots (CIPA) |
| Weight | 383g body only | 743g body only |
| Dimensions | 121.4 × 83.6 × 49.0mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots, 0.46× magnification | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | 3.0" tilting touchscreen | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | Micro Four Thirds | Sony E-mount (full-frame) |
| Memory Cards | Single SD UHS-I slot | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size |
Suitability by genre
| Genre | OM-D E-M10 IV | A1 II |
|---|---|---|
| Travel | ||
| Street | — | |
| Family & Everyday | — | |
| Portrait | ||
| Landscape | ||
| Sports & Action | — | |
| Sports | — | |
| Wildlife | — | |
| Vlogging & Video | — |
More comparisons with OM-D E-M10 IV
Camera family history