Canon EOS 90Dvs Pentax K-3 Mark IIIvs Sony A7R V

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
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?

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.

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 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

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

Full specifications

Specification Canon EOS 90D (2019)Pentax K-3 Mark III (2021)Sony A7R V (2022)
Price £849 £1,699 £3,899
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 25.7MP APS-C BSI CMOS (AA-filterless) 61MP full-frame BSI CMOS
Resolution 32.5MP 25.7MP 61.0MP
Video 4K/30p (1.6× crop), FHD/120p 4K/30p, 1080p/60p 8K/25p, 4K/60p
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) SAFOX 13 phase-detect, 101-point (25 cross-type) AI subject recognition AF, 693-point phase-detect
Stabilisation None (no IBIS) 5.5-stop 5-axis IBIS (Shake Reduction III) 8-stop IBIS
Burst Rate 10fps mechanical 12fps 10fps mechanical / 7fps electronic
Battery Life ~1300 shots (CIPA with OVF) 800 shots (CIPA) 530 shots (CIPA)
Weight 701g body only 820g body only 723g body only
Dimensions 140.7 × 104.8 × 76.8mm 134.5 × 103.5 × 73.5mm 131.3 × 96.4 × 82.4mm
Weather Sealed Yes Yes Yes
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification Optical pentaprism, 100% coverage, 1.05× magnification 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.0" vari-angle touchscreen 3.2" tilting touchscreen 3.2" multi-angle touchscreen
Mount Canon EF / EF-S Pentax KF-mount Sony FE (E-mount)
Memory Cards Dual SD UHS-II slots Dual SD UHS-II Dual CFexpress Type A / SD UHS-II
Connectivity USB 2.0, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Canon EOS 90D prices → Pentax K-3 Mark III prices → Sony A7R V prices →

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