OM-1vs A7 V

GearFrame · Updated March 2026

OM System OM-1 OM System OM-1 (2022) Starting from £1299 new Best for Wildlife, sport, outdoor View OM-1
VS
Sony A7 V Sony A7 V (2024) Starting from £2799 new Best for Portrait, wedding, travel, video View A7 V

GearScore™ Verdict — Which should you buy?

Wildlife, Sport, Outdoor — OM-1 (2022): OM System's statement camera — class-leading weather sealing and the best IBIS in the business.

Portrait, Wedding, Travel, Video — A7 V (2024): The definitive full-frame mirrorless. Hard to argue for anything else at this price.

↓ Full specifications below

OM-1 (2022)

  • Wildlife and bird photographers who need fast burst and pro weather sealing
  • Outdoor photographers who work in challenging conditions

A7 V (2024)

  • A7 III or A7 IV owners ready for a meaningful upgrade
  • Photographers who want one camera to cover everything

Quick take: The a7 v has the highest resolution at 33mp; the om-1 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification OM-1 (2022)A7 V (2024)
Price £1,299 £2,799
Sensor Micro Four Thirds Live MOS stacked BSI Full-frame BSI-CMOS 35mm, partially stacked
Resolution 20.4MP 33.0MP
Video 4K 60fps 10-bit 4K 60fps 10-bit
Autofocus 1053-point cross-type phase-detect, AI subject recognition 759-point phase-detect, AI subject recognition (human, animal, bird, insect, vehicle)
Stabilisation 5-axis IBIS, 7.0 stops (8 stops with sync IS) 5-axis IBIS, 8.0 stops
Burst Rate 10fps mechanical, 50fps electronic, 120fps Pro Capture 10fps mechanical, 20fps electronic
Battery Life 520 shots (CIPA) 760 shots (CIPA)
Weight 599g (body only) 514g (body only)
Dimensions 134.8 × 91.6 × 72.7mm 131.3 × 96.4 × 70.0mm
Weather Sealed Yes Yes
Viewfinder EVF 0.83× 5.76M-dot EVF 0.90× 9.44M-dot
Screen 3.0" fully articulating touchscreen, 1.62M-dot 3.2" fully articulating touchscreen, 1.44M-dot
Mount Micro Four Thirds Sony E-Mount
Memory Cards 2× SD UHS-II / CFexpress Type B 2× SD UHS-II / CFexpress Type A
Connectivity Wi-Fi 5GHz, Bluetooth 5.0, USB-C 3.1, HDMI, 3.5mm mic/headphone Wi-Fi 6GHz, Bluetooth 5.3, USB-C 3.2 Gen 2
⚡ Compare specs side by side OM-1 prices → A7 V prices →

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Camera family history