Decision tools · Compare

S1 vs OM-5 Mark II

Quick take: The S1 has the highest resolution at 24MP; 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?

S1 — Landscape, Studio & Professional Stills On L-Mount: Built like a tank with one of the finest viewfinders ever made — the S1 is the choice for photographers who prioritise build quality and IBIS over AF speed.

Who should buy what
S1 (2019)
is the right camera for you if…
  • L-mount system photographers who want a rugged, weather-sealed full-frame body for demanding conditions
  • Landscape and studio photographers who value exceptional IBIS and an outstanding EVF
  • Video professionals who need V-Log and 4K/60p in a robust, weather-sealed body
  • Leica SL users who want a more affordable second body on the same L-mount system
Full specificationsthe better value in each row is highlighted
Specification S1Lumix · 2019OM-5 Mark IIOM System · 2025
Price £1,499£880Best
Sensor 24.2MP full-frame CMOS20.4MP Four Thirds Live MOS
Resolution 24.2MPBest20.4MP
Video 4K/60p (crop), 4K/30p (full-frame), 1080p/180p, V-Log (upgrade)4K/30p, OM-Log400
Autofocus DFD contrast-detect AF — reliable but slower than phase-detect rivalsPhase-hybrid AF (121 cross-type points)
Stabilisation 5-axis IBIS — 6 stopsUp to 7.5-stop Sync IS (6.5-stop body-only)
Burst Rate 9fps continuous with AF/AE10fps (AF tracking), 30fps (locked)Best
Battery Life ~380 shots (CIPA)Best310 shots (CIPA)
Weight 898g (body only)370g (body only)Best
Dimensions 148.9 × 110.0 × 96.7mm—
Weather Sealed YesYes
Viewfinder OLED EVF, 5.76M dots, 0.78× — one of the finest EVFs availableEVF, 2.36M dots, 1.37x magnification
Screen 3.2" touchscreen, tiltingFully articulating touchscreen
Mount L-mount (Leica/Panasonic/Sigma)Micro Four Thirds
Memory Cards Dual SD UHS-II slotsSingle SD (UHS-II)
Connectivity USB-C, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacksUSB-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
S1
OM-5 Mark II
Portrait
6.6/10
6.5/10
Street
4.8/10
6.9/10
Travel
4.8/10
6.9/10
Wedding & Events
6.4/10
5.4/10
Filmmaking
7.1/10
5.1/10
Documentary
6.3/10
6.3/10
Sports & Action
6.0/10
6.7/10
Landscape
6.5/10
6.0/10
Wildlife
6.2/10
7.4/10
Casual
3.8/10
6.1/10
Food
6.3/10
6.9/10
Macro
7.3/10
8.1/10
Architecture
6.7/10
6.0/10
Astrophotography
7.0/10
5.5/10
Vlogging & Video
—
6.5/10

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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