Canon EOS R3vs OM-1 IIvs OM-5

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-1 II OM System OM-1 II (2024) From £1499 Best for Wildlife & action View OM-1 II
VS
OM System OM-5 OM System OM-5 (2022) From £899 Best for Outdoor & adventure View OM-5

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 & Action — OM-1 II (2024): 120fps burst, 8-stop IBIS, and IP53 sealing — the most capable wildlife and action camera in the Micro Four Thirds world.

Outdoor & Adventure — OM-5 (2022): The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.

↓ 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-1 II (2024)

  • You shoot wildlife, birds, or fast action and want the best MFT autofocus available
  • You need strong weather sealing without the weight of a full-frame sports body
  • You're in the MFT system and want a flagship-level body upgrade

OM-5 (2022)

  • You need weather sealing and in-body stabilisation in a compact, lightweight body
  • You hike, travel, or shoot outdoors and want serious protection without the weight penalty
  • You're in the MFT ecosystem and want a step up in capability from entry-level bodies

Quick take: The canon eos r3 has the highest resolution at 24mp; the om-5 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)OM-1 II (2024)OM-5 (2022)
Price £5,999 £1,499 £899
Sensor 24.1MP full-frame BSI stacked CMOS 20.4MP Micro Four Thirds Stacked BSI CMOS 20.4MP Micro Four Thirds Live MOS
Resolution 24.1MP 20.4MP 20.4MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/120p Cinema4K, Apple ProRes RAW (with recorder) 4K/60p, 4K/120p Cinema4K
Autofocus Dual Pixel CMOS AF II with Eye Control AF Quad-Pixel phase-detect, 1053 points, AI subject recognition (birds/animals) Phase-detect, 121 all-cross points, subject tracking
Stabilisation 8-stop IBIS 5-axis IBIS, 8.0 stops (Dual IS) 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses)
Burst Rate 30fps electronic / 12fps mechanical 120fps electronic (blackout-free), 15fps mechanical 30fps electronic, 10fps mechanical
Battery Life 620 shots (CIPA) ~520 shots (CIPA) ~370 shots (CIPA)
Weight 1015g body only 561g body only 414g body only
Dimensions 150.0 × 142.6 × 87.2mm 134.8 × 91.6 × 72.7mm 122.3 × 87.6 × 49.7mm
Weather Sealed Yes Yes Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 5.76M dots, 0.83× magnification EVF, 2.36M dots, 0.74× magnification
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen 3.0" fully articulating touchscreen
Mount Canon RF Micro Four Thirds Micro Four Thirds
Memory Cards Dual CFexpress Type B Dual SD UHS-II slots Dual SD UHS-II slots
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C, Bluetooth, Wi-Fi USB-C, Bluetooth, Wi-Fi
⚡ Compare specs side by side Canon EOS R3 prices → OM-1 II prices → OM-5 prices →

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