OM-3vs Sony A7R V

GearFrame · Updated March 2026

OM System OM-3 OM System OM-3 (2024) Starting from £999 new Best for Travel, outdoor & adventure photography View OM-3
VS
Sony Sony A7R V Sony Sony A7R V (2022) Starting from £3899 new Best for Landscape, studio & commercial View Sony A7R V

GearScore™ Verdict — Which should you buy?

Travel, Outdoor & Adventure Photography — OM-3 (2024): The ideal mid-range OM System camera — weather sealed, class-leading IBIS, and superb computational features in a compact body.

Landscape, Studio & Commercial — Sony A7R V (2022): 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.

↓ Full specifications below

OM-3 (2024)

  • Outdoor and adventure photographers who need weather sealing and compact size
  • Wildlife and bird photographers wanting improved AF over the OM-5
  • Travel shooters who want a rugged, lightweight MFT system
  • OM-5 or E-M5 III owners wanting better autofocus without going to the OM-1

Sony A7R V (2022)

  • Commercial and advertising photographers who need 61MP files
  • Landscape photographers who want extraordinary detail in large prints
  • A7R IV owners upgrading to AI-based autofocus and a better EVF
  • Studio photographers who want the highest resolution Sony offers

Quick take: The sony a7r v has the highest resolution at 61mp; the om-3 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification OM-3 (2024)Sony A7R V (2022)
Price £999 £3,899
Sensor 20.4MP Live MOS Micro Four Thirds 61MP full-frame BSI CMOS
Resolution 20.4MP 61.0MP
Video 4K/60p (10-bit), C4K/30p, 1080p/120p 8K/25p, 4K/60p
Autofocus Phase-detect AF — subject recognition (human, animal, bird, vehicle) AI subject recognition AF, 693-point phase-detect
Stabilisation IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) 8-stop IBIS
Burst Rate 10fps mechanical, 30fps electronic with AF 10fps mechanical / 7fps electronic
Battery Life ~400 shots (CIPA) 530 shots (CIPA)
Weight 414g (with battery) 723g body only
Dimensions 122.3 × 84.6 × 49.4mm 131.3 × 96.4 × 82.4mm
Weather Sealed Yes Yes
Viewfinder EVF, 2.36M dots, 0.74× magnification 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.0" fully articulating touchscreen 3.2" multi-angle touchscreen
Mount Micro Four Thirds Sony FE (E-mount)
Memory Cards Single SD UHS-II slot Dual CFexpress Type A / SD UHS-II
Connectivity USB-C, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
Genre OM-3Sony A7R V
Travel
9.0
Wildlife
9.0
Landscape
9.0
9.0
Street
9.0
Portrait
7.0
9.0
Vlogging & Video
7.0
7.0
Architecture
9.0
Wedding & Events
7.0
Sports & Action
4.0
⚡ Compare specs side by side OM-3 prices → Sony A7R V prices →

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