EOS R6 Mark IIvs Nikon Z9vs 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.
Professional Sports & Wildlife — Nikon Z9 (2021): The Z9 redefined what professional mirrorless could be — no mechanical shutter, 45MP stacked BSI, and 8K RAW in the most rugged Z body.
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.
Who should buy what
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
Nikon Z9 (2021)
- You shoot professionally and need a camera body that handles everything without compromise
- You're a sports, wildlife, or commercial photographer who demands the absolute best
- You want a camera body that will remain state-of-the-art for the next decade
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 nikon z9 has the highest resolution at 46mp; the pentax k-3 mark iii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R6 Mark II (2022) | Nikon Z9 (2021) | Pentax K-3 Mark III (2021) |
|---|---|---|---|
| Price | £2,099 | £5,499 | £1,699 |
| Sensor | 24.2MP Full-frame BSI CMOS | 45.7MP full-frame BSI stacked CMOS | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 24.2MP | 45.7MP | 25.7MP |
| Video | 4K/60p 10-bit oversampled, 6K RAW out, FHD/180p | 8K/30p RAW, 4K/120p, ProRes RAW | 4K/30p, 1080p/60p |
| Autofocus | Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking | Subject detection AF, 493-point phase-detect | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | 5-axis IBIS, 8.0 stops (coordinated with IS lenses) | 6-stop IBIS | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 12fps mechanical, 40fps electronic | 20fps RAW / 120fps JPEG | 12fps |
| Battery Life | ~760 shots (CIPA) | 740 shots (CIPA) | 800 shots (CIPA) |
| Weight | 670g body only | 1340g body only | 820g body only |
| Dimensions | 138.4 × 98.4 × 88.4mm | 149.0 × 149.5 × 90.5mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | Yes | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.76× magnification | 0.5" Quad-VGA OLED EVF, 3.69M dots, 120fps | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.2" tilting touchscreen | 3.2" tilting touchscreen |
| Mount | Canon RF mount (full-frame) | Nikon Z-mount | Pentax KF-mount |
| Memory Cards | Dual SD UHS-II slots | Dual CFexpress Type B / XQD | Dual SD UHS-II |
| Connectivity | USB-C 3.1, Bluetooth, Wi-Fi | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | USB-C, Wi-Fi, Bluetooth |
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