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OM-1 Mark II vs OM-5 Mark II

Quick take: The OM-5 Mark II has the highest resolution at 20MP; 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.

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 · 2024OM-5 Mark IIOM System · 2025
Price £1,999£880Best
Sensor 20MP Micro Four Thirds Live MOS20.4MP Four Thirds Live MOS
Resolution 20.0MP20.4MPBest
Video 4K/60p, 1080p/240p, 4K HLG4K/30p, OM-Log400
Autofocus AI subject detection AF (birds, animals, motorsport)Phase-hybrid AF (121 cross-type points)
Stabilisation 8.5-stop IBISUp to 7.5-stop Sync IS (6.5-stop body-only)
Burst Rate 120fps with AF trackingBest10fps (AF tracking), 30fps (locked)
Battery Life 520 shots (CIPA)Best310 shots (CIPA)
Weight 599g (body only)370g (body only)Best
Dimensions 134.8 × 91.6 × 72.7mm—
Weather Sealed YesYes
Viewfinder 0.83" OLED EVF, 5.76M dots, 120fpsEVF, 2.36M dots, 1.37x magnification
Screen 3.0" fully articulating touchscreenFully articulating touchscreen
Mount Micro Four ThirdsMicro Four Thirds
Memory Cards Dual SD UHS-IISingle SD (UHS-II)
Connectivity USB-C, Wi-Fi, BluetoothUSB-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
OM-5 Mark II
Portrait
7.6/10
6.5/10
Street
6.6/10
6.9/10
Travel
6.6/10
6.9/10
Wedding & Events
7.9/10
5.4/10
Vlogging & Video
6.4/10
6.5/10
Filmmaking
6.8/10
5.1/10
Documentary
7.9/10
6.3/10
Sports & Action
9.3/10
6.7/10
Landscape
6.1/10
6.0/10
Wildlife
9.1/10
7.4/10
Casual
5.5/10
6.1/10
Food
7.4/10
6.9/10
Macro
8.4/10
8.1/10
Architecture
6.3/10
6.0/10
Astrophotography
6.0/10
5.5/10

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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