EOS R7vs Fujifilm GFX 100S IIvs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon EOS R7 Canon EOS R7 (2022) From £1399 Best for Wildlife, sports & action View EOS R7
VS
Fujifilm Fujifilm GFX 100S II Fujifilm Fujifilm GFX 100S II (2024) From £4499 Best for Commercial, studio & landscape professionals View Fujifilm GFX 100S 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?

Wildlife, Sports & Action — EOS R7 (2022): The EOS R7 is one of the most complete APS-C cameras ever made. It combines a class-leading resolution sensor with best-in-class IBIS, 4K/60p video, weather sealing and 15fps burst. For wildlife, sports and action photographers on an APS-C budget, nothing else comes close.

Commercial, Studio & Landscape Professionals — Fujifilm GFX 100S II (2024): 102MP medium-format quality in the most accessible GFX body — the best entry point to the Fujifilm GFX system.

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

EOS R7 (2022)

  • Wildlife photographers who need reach, weather sealing and fast burst
  • Sports shooters upgrading from entry-level APS-C bodies
  • Video creators who need uncropped 4K/60p without a full-frame budget
  • Canon DSLR users looking to move to RF mount

Fujifilm GFX 100S II (2024)

  • You need the highest resolution available outside of a Phase One system
  • You shoot studio, fashion, landscape, or architecture at a professional level
  • You want medium format quality without the bulk of a traditional large-format system

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 fujifilm gfx 100s ii has the highest resolution at 102mp; the eos r7 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R7 (2022)Fujifilm GFX 100S II (2024)Pentax K-3 Mark III (2021)
Price £1,399 £4,499 £1,699
Sensor 32.5MP APS-C CMOS 102MP medium-format BSI CMOS (43.8 × 32.9mm) 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 32.5MP 102.0MP 25.7MP
Video 4K/60p (uncropped), 4K/30p (oversampled from 7K), 1080p/120p 4K/30p, 1080p/60p 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II, 651 AF zones, subject recognition (people, animals, vehicles) Phase-detect AF with subject/face/eye detection SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation 7-stop IBIS (8 stops with compatible IS lenses) 8-stop IBIS 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 15fps mechanical, 30fps electronic (with blackout) 7fps 12fps
Battery Life ~770 shots (CIPA) 460 shots (CIPA) 800 shots (CIPA)
Weight 612g (body, battery, card) 883g body only 820g body only
Dimensions 132.0 × 90.4 × 91.7mm 150.0 × 104.2 × 87.2mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes Yes
Viewfinder EVF, 2.36M dots, 0.72× magnification 0.5" OLED EVF, 5.76M dots Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" vari-angle touchscreen, 1.62M dots 3.2" tilting touchscreen 3.2" tilting touchscreen
Mount Canon RF-mount Fujifilm GFX (G-mount) Pentax KF-mount
Memory Cards Dual SD UHS-II Dual SD UHS-II Dual SD UHS-II
Connectivity USB-C (USB 3.2 Gen 2), Wi-Fi, Bluetooth USB-C 3.2, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS R7 prices → Fujifilm GFX 100S II prices → Pentax K-3 Mark III prices →

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