Canon EOS R3vs OM System OM-1 Mark II

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) From £5999 Best for Sports & photojournalism professionals View Canon EOS R3
VS
OM System OM System OM-1 Mark II OM System OM System OM-1 Mark II (2024) From £1999 Best for Wildlife, birds & outdoor sports View OM System OM-1 Mark II

Which should you buy?

Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.

Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.

↓ Full specifications below

Canon EOS R3 (2021)

  • You shoot sport, motorsport, wildlife, or news at a professional level
  • You need Canon's most reliable and fastest autofocus available
  • You need extreme weather sealing for demanding shooting conditions

OM System OM-1 Mark II (2024)

  • You shoot wildlife, birds in flight, or fast-moving action where tracking accuracy is critical
  • You need extreme weather sealing for shooting in rain, dust, mud, or freezing cold
  • You're invested in the MFT ecosystem and want the absolute best body available

Quick take: The canon eos r3 has the highest resolution at 24mp; the om system om-1 mark ii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)OM System OM-1 Mark II (2024)
Price £5,999 £1,999
Sensor 24.1MP full-frame BSI stacked CMOS 20MP Micro Four Thirds Live MOS
Resolution 24.1MP 20.0MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/60p, 1080p/240p, 4K HLG
Autofocus Dual Pixel CMOS AF II with Eye Control AF AI subject detection AF (birds, animals, motorsport)
Stabilisation 8-stop IBIS 8.5-stop IBIS
Burst Rate 30fps electronic / 12fps mechanical 120fps with AF tracking
Battery Life 620 shots (CIPA) 520 shots (CIPA)
Weight 1015g body only 599g body only
Dimensions 150.0 × 142.6 × 87.2mm 134.8 × 91.6 × 72.7mm
Weather Sealed Yes Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps 0.83" OLED EVF, 5.76M dots, 120fps
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen
Mount Canon RF Micro Four Thirds
Memory Cards Dual CFexpress Type B Dual SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS R3 prices → OM System OM-1 Mark II prices →

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