Canon EOS R5 Mark IIvs OM-1 IIvs A7 IV

GearFrame · Updated March 2026

Canon Canon EOS R5 Mark II Canon Canon EOS R5 Mark II (2024) From £4299 Best for Hybrid shooters & professionals View Canon EOS R5 Mark II
VS
OM System OM-1 II OM System OM-1 II (2024) From £1499 Best for Wildlife & action View OM-1 II
VS
Sony A7 IV Sony A7 IV (2021) From £2299 Best for Portrait & wedding photography View A7 IV

Which should you buy?

Hybrid Shooters & Professionals — Canon EOS R5 Mark II (2024): The most complete hybrid camera Canon has ever made — 45MP stacked BSI, 30fps burst, 8K/60p RAW, and Canon's legendary Dual Pixel AF in one body.

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.

Portrait & Wedding Photography — A7 IV (2021): The full-frame portrait benchmark — 33MP, AI Eye AF, and exceptional skin-tone rendering in a pro-grade hybrid body.

↓ Full specifications below

Canon EOS R5 Mark II (2024)

  • You're a working photographer or filmmaker who needs high-resolution stills and professional video
  • You shoot commercial, editorial, or high-end portrait work
  • You want the absolute best Canon mirrorless has to offer

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

A7 IV (2021)

  • You want a high-resolution full-frame all-rounder for portraits, weddings, or travel
  • You're stepping up from APS-C or a DSLR and want the best all-round full-frame body under £3,000
  • You shoot a mix of stills and video and need a single body that handles both seriously
  • You want access to the widest lens ecosystem in the mirrorless market

Quick take: The canon eos r5 mark ii has the highest resolution at 45mp; the om-1 ii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R5 Mark II (2024)OM-1 II (2024)A7 IV (2021)
Price £4,299 £1,499 £2,299
Sensor 45MP full-frame BSI stacked CMOS 20.4MP Micro Four Thirds Stacked BSI CMOS 33MP Full-frame BSI Exmor R CMOS
Resolution 45.0MP 20.4MP 33.0MP
Video 8K/60p RAW, 4K/120p, Cinema RAW Light 4K/120p Cinema4K, Apple ProRes RAW (with recorder) 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone
Autofocus Dual Pixel CMOS AF II, AI subject tracking Quad-Pixel phase-detect, 1053 points, AI subject recognition (birds/animals) 759-point phase-detect, AI subject recognition
Stabilisation 8-stop IBIS (coordinated with IS lenses) 5-axis IBIS, 8.0 stops (Dual IS) 5-axis IBIS, 5.5 stops
Burst Rate 30fps electronic / 12fps mechanical 120fps electronic (blackout-free), 15fps mechanical 10fps mechanical, 30fps electronic
Battery Life 570 shots (CIPA) ~520 shots (CIPA) ~580 shots (CIPA)
Weight 746g body only 561g body only 659g body only
Dimensions 138.5 × 101.2 × 93.5mm 134.8 × 91.6 × 72.7mm 131.3 × 96.4 × 79.8mm
Weather Sealed Yes Yes Yes
Viewfinder 0.64" OLED EVF, 5.76M dots, 120fps EVF, 5.76M dots, 0.83× magnification EVF, 3.69M dots, 0.78× magnification
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen 3.0" vari-angle touchscreen
Mount Canon RF Micro Four Thirds Sony FE (full-frame E-mount)
Memory Cards CFexpress Type B + SD UHS-II Dual SD UHS-II slots Dual slots: CFexpress Type A + SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth USB-C, Bluetooth, Wi-Fi USB-C (3.2 Gen 2), Bluetooth, Wi-Fi
⚡ Compare specs side by side Canon EOS R5 Mark II prices → OM-1 II prices → A7 IV prices →

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