OM System OM-1 Mark IIvs Sony A7R V
OM System
OM System OM-1 Mark II (2024)
Starting from £1999 new
Best for Wildlife, birds & outdoor sports
View OM System OM-1 Mark II
Sony
Sony A7R V (2022)
Starting from £3899 new
Best for Landscape, studio & commercial
View Sony A7R V
GearScore™ Verdict — Which should you buy?
Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.
Landscape, Studio & Commercial — Sony A7R V (2022): 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.
Who should buy what
OM System OM-1 Mark II (2024)
- Wildlife and bird photographers who need the best subject tracking in MFT
- Sports photographers who want weather sealing and 50fps burst
- OM-1 owners looking for a meaningful autofocus upgrade
- Professionals who need pro-grade weather sealing in the lightest possible system
Sony A7R V (2022)
- Commercial and advertising photographers who need 61MP files
- Landscape photographers who want extraordinary detail in large prints
- A7R IV owners upgrading to AI-based autofocus and a better EVF
- Studio photographers who want the highest resolution Sony offers
Quick take: The sony a7r v has the highest resolution at 61mp; the om system om-1 mark ii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM System OM-1 Mark II (2024) | Sony A7R V (2022) |
|---|---|---|
| Price | £1,999 | £3,899 |
| Sensor | 20MP Micro Four Thirds Live MOS | 61MP full-frame BSI CMOS |
| Resolution | 20.0MP | 61.0MP |
| Video | 4K/60p, 1080p/240p, 4K HLG | 8K/25p, 4K/60p |
| Autofocus | AI subject detection AF (birds, animals, motorsport) | AI subject recognition AF, 693-point phase-detect |
| Stabilisation | 8.5-stop IBIS | 8-stop IBIS |
| Burst Rate | 120fps with AF tracking | 10fps mechanical / 7fps electronic |
| Battery Life | 520 shots (CIPA) | 530 shots (CIPA) |
| Weight | 599g body only | 723g body only |
| Dimensions | 134.8 × 91.6 × 72.7mm | 131.3 × 96.4 × 82.4mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.83" OLED EVF, 5.76M dots, 120fps | 0.64" Quad-XGA OLED EVF, 9.44M dots |
| Screen | 3.0" fully articulating touchscreen | 3.2" multi-angle touchscreen |
| Mount | Micro Four Thirds | Sony FE (E-mount) |
| Memory Cards | Dual SD UHS-II | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 |
Suitability by genre
| Genre | OM System OM-1 Mark II | Sony A7R V |
|---|---|---|
| Wildlife | — | |
| Sports & Action | ||
| Landscape | ||
| Travel | — | |
| Portrait | ||
| Vlogging & Video | ||
| Architecture | — | |
| Wedding & Events | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history