OM-1vs OM System OM-1 Mark II
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
GearScore™ Verdict — Which should you buy?
Wildlife, Sport, Outdoor — OM-1 (2022): OM System's statement camera — class-leading weather sealing and the best IBIS in the business.
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.
Who should buy what
OM-1 (2022)
- Wildlife and bird photographers who need fast burst and pro weather sealing
- Outdoor photographers who work in challenging conditions
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
Quick take: The om-1 has the highest resolution at 20mp; the om-1 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-1 (2022) | OM System OM-1 Mark II (2024) |
|---|---|---|
| Price | £1,299 | £1,999 |
| Sensor | Micro Four Thirds Live MOS stacked BSI | 20MP Micro Four Thirds Live MOS |
| Resolution | 20.4MP | 20.0MP |
| Video | 4K 60fps 10-bit | 4K/60p, 1080p/240p, 4K HLG |
| Autofocus | 1053-point cross-type phase-detect, AI subject recognition | AI subject detection AF (birds, animals, motorsport) |
| Stabilisation | 5-axis IBIS, 7.0 stops (8 stops with sync IS) | 8.5-stop IBIS |
| Burst Rate | 10fps mechanical, 50fps electronic, 120fps Pro Capture | 120fps with AF tracking |
| Battery Life | 520 shots (CIPA) | 520 shots (CIPA) |
| Weight | 599g (body only) | 599g body only |
| Dimensions | 134.8 × 91.6 × 72.7mm | 134.8 × 91.6 × 72.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.83× 5.76M-dot | 0.83" OLED EVF, 5.76M dots, 120fps |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.0" fully articulating touchscreen |
| Mount | Micro Four Thirds | Micro Four Thirds |
| Memory Cards | 2× SD UHS-II / CFexpress Type B | Dual SD UHS-II |
| Connectivity | Wi-Fi 5GHz, Bluetooth 5.0, USB-C 3.1, HDMI, 3.5mm mic/headphone | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | OM-1 | OM System OM-1 Mark II |
|---|---|---|
| Wildlife | ||
| Sports & Action | ||
| Landscape | ||
| Travel | ||
| Portrait | ||
| Casual | — | |
| Astrophotography | — | |
| Vlogging & Video | — |
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