Canon EOS R5 Mark IIvs GFX 50S IIvs Pentax K-3 Mark III

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
Fujifilm GFX 50S II Fujifilm GFX 50S II (2021) From £2999 Best for Studio & portrait specialists View GFX 50S 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

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.

Studio & Portrait Specialists — GFX 50S II (2021): Medium format quality at the most accessible price ever — 51MP detail and tonal richness no APS-C or full-frame body can replicate.

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.

↓ 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

GFX 50S II (2021)

  • You want to experience medium format without a five-figure investment
  • You shoot landscape, architecture, or portraits where resolution and tonal depth matter
  • You're in the Fujifilm ecosystem and want to step up to a larger sensor

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

Quick take: The gfx 50s ii has the highest resolution at 51mp; 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)GFX 50S II (2021)Pentax K-3 Mark III (2021)
Price £4,299 £2,999 £1,699
Sensor 45MP full-frame BSI stacked CMOS 51.4MP Medium Format GFX 44×33mm BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 45.0MP 51.4MP 25.7MP
Video 8K/60p RAW, 4K/120p, Cinema RAW Light 4K/30p (cropped) 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II, AI subject tracking Phase-detect, 425 points SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation 8-stop IBIS (coordinated with IS lenses) 5-axis IBIS, 6.5 stops 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 30fps electronic / 12fps mechanical 3fps 12fps
Battery Life 570 shots (CIPA) ~440 shots (CIPA) 800 shots (CIPA)
Weight 746g body only 900g body only 820g body only
Dimensions 138.5 × 101.2 × 93.5mm 150.0 × 104.2 × 87.2mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes Yes
Viewfinder 0.64" OLED EVF, 5.76M dots, 120fps EVF, 3.69M dots, 0.77× magnification Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.2" fully articulating touchscreen 3.2" tilting touchscreen 3.2" tilting touchscreen
Mount Canon RF Fujifilm G-mount (medium format) Pentax KF-mount
Memory Cards CFexpress Type B + SD UHS-II Dual SD UHS-II slots Dual SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth USB-C, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS R5 Mark II prices → GFX 50S II prices → Pentax K-3 Mark III prices →

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