Decision tools · Compare

OM-1 vs OM-5 Mark II

Quick take: 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 — Wildlife, Sport, Outdoor: OM System's statement camera — class-leading weather sealing and the best IBIS in the business.

Who should buy what
OM-1 (2022)
is the right camera for you if…
  • Wildlife and bird photographers who need fast burst and pro weather sealing
  • Outdoor photographers who work in challenging conditions
Full specificationsthe better value in each row is highlighted
Specification OM-1OM System · 2022OM-5 Mark IIOM System · 2025
Price £299Best£880
Sensor Micro Four Thirds Live MOS stacked BSI20.4MP Four Thirds Live MOS
Resolution 20.4MP20.4MP
Video 4K 60fps 10-bit4K/30p, OM-Log400
Autofocus 1053-point cross-type phase-detect, AI subject recognitionPhase-hybrid AF (121 cross-type points)
Stabilisation 5-axis IBIS, 7.0 stops (8 stops with sync IS)Up to 7.5-stop Sync IS (6.5-stop body-only)
Burst Rate 10fps mechanical, 50fps electronic, 120fps Pro Capture10fps (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 EVF 0.83× 5.76M-dotEVF, 2.36M dots, 1.37x magnification
Screen 3.0" fully articulating touchscreen, 1.62M-dotFully articulating touchscreen
Mount Micro Four ThirdsMicro Four Thirds
Memory Cards Dual SD UHS-II slotsSingle SD (UHS-II)
Connectivity Wi-Fi 5GHz, Bluetooth 5.0, USB-C 3.1, HDMI, 3.5mm mic/headphoneUSB-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
OM-5 Mark II
Portrait
7.3/10
6.5/10
Street
6.5/10
6.9/10
Travel
6.4/10
6.9/10
Wedding & Events
7.6/10
5.4/10
Vlogging & Video
6.4/10
6.5/10
Filmmaking
6.6/10
5.1/10
Documentary
7.6/10
6.3/10
Sports & Action
9.2/10
6.7/10
Landscape
6.0/10
6.0/10
Wildlife
9.0/10
7.4/10
Casual
5.6/10
6.1/10
Food
7.1/10
6.9/10
Macro
8.1/10
8.1/10
Architecture
6.1/10
6.0/10
Astrophotography
5.9/10
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 →

Next
More comparisons with OM-1
Camera family history