Canon EOS 90Dvs GFX 50S IIvs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon Canon EOS 90D Canon Canon EOS 90D (2019) From £849 Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
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?

Sports, Wildlife & Dslr Enthusiasts — Canon EOS 90D (2019): The best APS-C DSLR Canon ever made — 32MP, 10fps, weather sealing, and an optical viewfinder experience no mirrorless can replicate.

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 90D (2019)

  • You're invested in Canon EF DSLR lenses and don't want to switch systems
  • You shoot wildlife or sports and prefer an optical viewfinder
  • You want a mid-range DSLR upgrade without going mirrorless

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 canon eos 90d is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS 90D (2019)GFX 50S II (2021)Pentax K-3 Mark III (2021)
Price £849 £2,999 £1,699
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 51.4MP Medium Format GFX 44×33mm BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 32.5MP 51.4MP 25.7MP
Video 4K/30p (1.6× crop), FHD/120p 4K/30p (cropped) 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Phase-detect, 425 points SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation None (no IBIS) 5-axis IBIS, 6.5 stops 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 10fps mechanical 3fps 12fps
Battery Life ~1300 shots (CIPA with OVF) ~440 shots (CIPA) 800 shots (CIPA)
Weight 701g body only 900g body only 820g body only
Dimensions 140.7 × 104.8 × 76.8mm 150.0 × 104.2 × 87.2mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes Yes
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification EVF, 3.69M dots, 0.77× magnification Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" vari-angle touchscreen 3.2" tilting touchscreen 3.2" tilting touchscreen
Mount Canon EF / EF-S Fujifilm G-mount (medium format) Pentax KF-mount
Memory Cards Dual SD UHS-II slots Dual SD UHS-II slots Dual SD UHS-II
Connectivity USB 2.0, Bluetooth, Wi-Fi USB-C, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS 90D prices → GFX 50S II prices → Pentax K-3 Mark III prices →

Compare pairs from this group