EOS R6 Mark IIvs Z6 IIvs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon EOS R6 Mark II Canon EOS R6 Mark II (2022) From £2099 Best for Portraits & action View EOS R6 Mark II
VS
Nikon Z6 II Nikon Z6 II (2020) From £1699 Best for All-round full-frame photography View Z6 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?

Portraits & Action — EOS R6 Mark II (2022): 40fps burst, 8-stop IBIS, and Canon's best-in-class Dual Pixel AF — exceptional for action, sports, and portrait work.

All-Round Full-Frame Photography — Z6 II (2020): The Z6 II is the Nikon most photographers should buy. It's balanced across every discipline — stills, video, autofocus, weather sealing — without overpaying for megapixels you don't need. The Z-mount glass is superb.

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 R6 Mark II (2022)

  • You want a do-everything full-frame body for weddings and events
  • You need reliable subject tracking across stills and fast-moving video
  • You shoot both photos and video professionally and need a single body that handles both
  • You want Canon's colour science with a modern mirrorless system

Z6 II (2020)

  • Nikon DSLR users ready to move to mirrorless
  • Photographers who need a reliable all-rounder without specialising
  • Video creators wanting 4K/60p in a weather-sealed body
  • Enthusiasts who shoot everything from portraits to travel

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 pentax k-3 mark iii has the highest resolution at 26mp; the z6 ii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R6 Mark II (2022)Z6 II (2020)Pentax K-3 Mark III (2021)
Price £2,099 £1,699 £1,699
Sensor 24.2MP Full-frame BSI CMOS 24.5MP Full-Frame BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 24.2MP 24.5MP 25.7MP
Video 4K/60p 10-bit oversampled, 6K RAW out, FHD/180p 4K/60p, 4K/30p (oversampled), 1080p/120p slow-motion 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking Phase-detect, 273 points, Eye AF, subject tracking SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation 5-axis IBIS, 8.0 stops (coordinated with IS lenses) 5-axis IBIS, 5 stops (up to 6 stops with VR lenses) 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 12fps mechanical, 40fps electronic 14fps mechanical, 14fps electronic (12-bit RAW) 12fps
Battery Life ~760 shots (CIPA) ~410 shots (CIPA) 800 shots (CIPA)
Weight 670g body only 705g (body, battery, card) 820g body only
Dimensions 138.4 × 98.4 × 88.4mm 134.0 × 100.5 × 69.5mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes Yes
Viewfinder EVF, 3.69M dots, 0.76× magnification EVF, 3.69M dots, 0.80× magnification Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" fully articulating touchscreen 3.2" tilting touchscreen, 2.1M dots 3.2" tilting touchscreen
Mount Canon RF mount (full-frame) Nikon Z-mount Pentax KF-mount
Memory Cards Dual SD UHS-II slots Dual card: 1× CFexpress Type B / XQD + 1× SD UHS-II Dual SD UHS-II
Connectivity USB-C 3.1, Bluetooth, Wi-Fi USB-C (USB 3.2 Gen 2), Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS R6 Mark II prices → Z6 II prices → Pentax K-3 Mark III prices →

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