Decision tools · Compare

S1R II vs OM-1 Mark II

Quick take: The S1R II has the highest resolution at 44MP; the OM-1 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 S1R IILumix · 2025OM-1 Mark IIOM System · 2024
Price £2,699£1,999Best
Sensor 44.3MP full-frame BSI CMOS20MP Micro Four Thirds Live MOS
Resolution 44.3MPBest20.0MP
Video 8K/30p (first for Lumix), 4K/120p (1.1x crop), 10-bit4K/60p, 1080p/240p, 4K HLG
Autofocus Phase-hybrid AF (779 points) with AI subject detectionAI subject detection AF (birds, animals, motorsport)
Stabilisation 8-stop IBIS with Dual I.S. 28.5-stop IBIS
Burst Rate 40fps electronic120fps with AF trackingBest
Battery Life 350 shots (CIPA, LCD)520 shots (CIPA)Best
Weight 820g (with battery and card)599g (body only)Best
Dimensions —134.8 × 91.6 × 72.7mm
Weather Sealed YesYes
Viewfinder EVF, 5.76M dots0.83" OLED EVF, 5.76M dots, 120fps
Screen Fully articulating touchscreen3.0" fully articulating touchscreen
Mount L-mountMicro Four Thirds
Memory Cards CFexpress Type B + SD (UHS-II)Dual SD UHS-II
Connectivity USB-C, full-size HDMI, 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
S1R II
OM-1 Mark II
Portrait
8.8/10
7.6/10
Street
6.3/10
6.6/10
Travel
6.2/10
6.6/10
Wedding & Events
8.4/10
7.9/10
Vlogging & Video
6.1/10
6.4/10
Filmmaking
7.7/10
6.8/10
Documentary
7.9/10
7.9/10
Sports & Action
8.3/10
9.3/10
Landscape
7.7/10
6.1/10
Wildlife
8.3/10
9.1/10
Casual
5.2/10
5.5/10
Food
8.3/10
7.4/10
Macro
8.8/10
8.4/10
Architecture
8.1/10
6.3/10
Astrophotography
7.1/10
6.0/10

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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