OM System
OM-1 Mark II 2024
Best for Wildlife, birds & outdoor sports
£1999
new today at Clifton Cameras
Decision tools · Compare
OM-1 Mark II vs PEN
Quick take: The PEN has the highest resolution at 20MP; the PEN is the most affordable.
16 specs side by side·16 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.
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Verdictwhich should you buy?
OM-1 Mark II — Wildlife, Birds & Outdoor Sports: 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 Mark II (2024)
is the right camera for you if…
- 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
Full specificationsthe better value in each row is highlighted
| Specification | OM-1 Mark IIOM System · 2024 | PENOM System · 2026 |
|---|---|---|
| Price | £1,999 | £849Best |
| Sensor | 20MP Micro Four Thirds Live MOS | 20.4MP Four Thirds Live MOS |
| Resolution | 20.0MP | 20.4MPBest |
| Video | 4K/60p, 1080p/240p, 4K HLG | 4K/C4K, OM-Log400, vertical video support |
| Autofocus | AI subject detection AF (birds, animals, motorsport) | Phase-hybrid AF (121 points) with subject detection (people, cats, dogs) |
| Stabilisation | 8.5-stop IBIS | 5.5-stop IBIS |
| Burst Rate | 120fps with AF trackingBest | 30fps electronic |
| Battery Life | 520 shots (CIPA)Best | 410 shots (CIPA) |
| Weight | 599g (body only) | 393g (with battery and card)Best |
| Dimensions | 134.8 × 91.6 × 72.7mm | — |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.83" OLED EVF, 5.76M dots, 120fps | EVF, 2.36M dots |
| Screen | 3.0" fully articulating touchscreen | Tilting touchscreen |
| Mount | Micro Four Thirds | Micro Four Thirds |
| Memory Cards | Dual SD UHS-II | Single SD (UHS-I) |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
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-1 Mark II
PEN
Portrait
7.6/10
7.0/10
Street
6.6/10
7.8/10
Travel
6.6/10
7.4/10
Wedding & Events
7.9/10
6.3/10
Vlogging & Video
6.4/10
6.7/10
Filmmaking
6.8/10
5.2/10
Documentary
7.9/10
7.0/10
Sports & Action
9.3/10
7.7/10
Landscape
6.1/10
6.1/10
Wildlife
9.1/10
8.1/10
Casual
5.5/10
6.3/10
Food
7.4/10
6.9/10
Macro
8.4/10
6.8/10
Architecture
6.3/10
6.1/10
Astrophotography
6.0/10
5.9/10
Fun & simple
—
4.7/10
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 →
Next
More comparisons with OM-1 Mark II
Camera family history