Canon EOS R5 Mark IIvs EOS R6 Mark IIvs Pentax K-3 Mark III
Canon
Canon EOS R5 Mark II (2024)
From £4299
Best for Hybrid shooters & professionals
View Canon EOS R5 Mark II
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?
Hybrid Shooters & Professionals — Canon EOS R5 Mark II (2024): The most complete hybrid camera Canon has ever made — 45MP stacked BSI, 30fps burst, 8K/60p RAW, and Canon's legendary Dual Pixel AF in one body.
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.
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
Canon EOS R5 Mark II (2024)
- You're a working photographer or filmmaker who needs high-resolution stills and professional video
- You shoot commercial, editorial, or high-end portrait work
- You want the absolute best Canon mirrorless has to offer
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
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 canon eos r5 mark ii has the highest resolution at 45mp; the pentax k-3 mark iii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS R5 Mark II (2024) | EOS R6 Mark II (2022) | Pentax K-3 Mark III (2021) |
|---|---|---|---|
| Price | £4,299 | £2,099 | £1,699 |
| Sensor | 45MP full-frame BSI stacked CMOS | 24.2MP Full-frame BSI CMOS | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 45.0MP | 24.2MP | 25.7MP |
| Video | 8K/60p RAW, 4K/120p, Cinema RAW Light | 4K/60p 10-bit oversampled, 6K RAW out, FHD/180p | 4K/30p, 1080p/60p |
| Autofocus | Dual Pixel CMOS AF II, AI subject tracking | Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | 8-stop IBIS (coordinated with IS lenses) | 5-axis IBIS, 8.0 stops (coordinated with IS lenses) | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 30fps electronic / 12fps mechanical | 12fps mechanical, 40fps electronic | 12fps |
| Battery Life | 570 shots (CIPA) | ~760 shots (CIPA) | 800 shots (CIPA) |
| Weight | 746g body only | 670g body only | 820g body only |
| Dimensions | 138.5 × 101.2 × 93.5mm | 138.4 × 98.4 × 88.4mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | Yes | Yes | Yes |
| Viewfinder | 0.64" OLED EVF, 5.76M dots, 120fps | EVF, 3.69M dots, 0.76× magnification | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.2" fully articulating touchscreen | 3.0" fully articulating touchscreen | 3.2" tilting touchscreen |
| Mount | Canon RF | Canon RF mount (full-frame) | Pentax KF-mount |
| Memory Cards | CFexpress Type B + SD UHS-II | Dual SD UHS-II slots | Dual SD UHS-II |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth | USB-C 3.1, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth |
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