Canon EOS R3vs OM-5vs Sony A7R V

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-5 OM System OM-5 (2022) From £899 Best for Outdoor & adventure View OM-5
VS
Sony Sony A7R V Sony Sony A7R V (2022) From £3899 Best for Landscape, studio & commercial View Sony A7R V

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.

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

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

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-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

Sony A7R V (2022)

  • You need the highest resolution in Sony's full-frame mirrorless lineup
  • You shoot landscape, architecture, product photography, or high-end fashion professionally
  • You want exceptional resolution paired with Sony's best-in-class autofocus system

Quick take: The sony a7r v has the highest resolution at 61mp; the om-5 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)OM-5 (2022)Sony A7R V (2022)
Price £5,999 £899 £3,899
Sensor 24.1MP full-frame BSI stacked CMOS 20.4MP Micro Four Thirds Live MOS 61MP full-frame BSI CMOS
Resolution 24.1MP 20.4MP 61.0MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/60p, 4K/120p Cinema4K 8K/25p, 4K/60p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Phase-detect, 121 all-cross points, subject tracking AI subject recognition AF, 693-point phase-detect
Stabilisation 8-stop IBIS 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) 8-stop IBIS
Burst Rate 30fps electronic / 12fps mechanical 30fps electronic, 10fps mechanical 10fps mechanical / 7fps electronic
Battery Life 620 shots (CIPA) ~370 shots (CIPA) 530 shots (CIPA)
Weight 1015g body only 414g body only 723g body only
Dimensions 150.0 × 142.6 × 87.2mm 122.3 × 87.6 × 49.7mm 131.3 × 96.4 × 82.4mm
Weather Sealed Yes Yes Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 2.36M dots, 0.74× magnification 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen 3.2" multi-angle touchscreen
Mount Canon RF Micro Four Thirds Sony FE (E-mount)
Memory Cards Dual CFexpress Type B Dual SD UHS-II slots Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C, Bluetooth, Wi-Fi USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Canon EOS R3 prices → OM-5 prices → Sony A7R V prices →

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