Canon EOS R5 Mark IIvs Pentax K-3 Mark IIIvs Sony A7R V

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
Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) From £1699 Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III
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?

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.

Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.

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 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

Pentax K-3 Mark III (2021)

  • You're a committed DSLR photographer with significant investment in Pentax glass
  • You shoot in extreme weather conditions and place build quality and reliability above everything
  • You prefer optical viewfinder performance and want the best modern APS-C DSLR available

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 pentax k-3 mark iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R5 Mark II (2024)Pentax K-3 Mark III (2021)Sony A7R V (2022)
Price £4,299 £1,699 £3,899
Sensor 45MP full-frame BSI stacked CMOS 25.7MP APS-C BSI CMOS (AA-filterless) 61MP full-frame BSI CMOS
Resolution 45.0MP 25.7MP 61.0MP
Video 8K/60p RAW, 4K/120p, Cinema RAW Light 4K/30p, 1080p/60p 8K/25p, 4K/60p
Autofocus Dual Pixel CMOS AF II, AI subject tracking SAFOX 13 phase-detect, 101-point (25 cross-type) AI subject recognition AF, 693-point phase-detect
Stabilisation 8-stop IBIS (coordinated with IS lenses) 5.5-stop 5-axis IBIS (Shake Reduction III) 8-stop IBIS
Burst Rate 30fps electronic / 12fps mechanical 12fps 10fps mechanical / 7fps electronic
Battery Life 570 shots (CIPA) 800 shots (CIPA) 530 shots (CIPA)
Weight 746g body only 820g body only 723g body only
Dimensions 138.5 × 101.2 × 93.5mm 134.5 × 103.5 × 73.5mm 131.3 × 96.4 × 82.4mm
Weather Sealed Yes Yes Yes
Viewfinder 0.64" OLED EVF, 5.76M dots, 120fps Optical pentaprism, 100% coverage, 1.05× magnification 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.2" fully articulating touchscreen 3.2" tilting touchscreen 3.2" multi-angle touchscreen
Mount Canon RF Pentax KF-mount Sony FE (E-mount)
Memory Cards CFexpress Type B + SD UHS-II Dual SD UHS-II Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Canon EOS R5 Mark II prices → Pentax K-3 Mark III prices → Sony A7R V prices →

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