EOS R6vs Pentax K-3 Mark III
VS
Pentax
Pentax K-3 Mark III (2021)
Starting from £1699 new
Best for DSLR enthusiasts & outdoor photographers
View Pentax K-3 Mark III
GearScore™ Verdict — Which should you buy?
Wedding, Portrait, Sports, Video — EOS R6 (2020): The camera that made Canon's RF system worth taking seriously.
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 (2020)
- Canon DSLR shooters moving to mirrorless
- Hybrid photographers who shoot both stills and video
Pentax K-3 Mark III (2021)
- DSLR photographers who want the finest APS-C optical viewfinder experience
- Outdoor and weather photographers who need robust all-weather sealing
- Pentax lens owners who want to use their existing K-mount glass
- Photographers who prefer optical viewfinders and refuse to switch to mirrorless
Quick take: The pentax k-3 mark iii has the highest resolution at 26mp; the eos r6 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R6 (2020) | Pentax K-3 Mark III (2021) |
|---|---|---|
| Price | £1,299 | £1,699 |
| Sensor | Full-frame CMOS 35mm | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 20.1MP | 25.7MP |
| Video | 4K 60fps (crop), 4K 30fps (full), 1080p 120fps | 4K/30p, 1080p/60p |
| Autofocus | Dual Pixel CMOS AF II, 6072 AF positions, subject tracking | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | 5-axis IBIS, up to 8 stops coordinated IS | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 12fps mechanical, 20fps electronic | 12fps |
| Battery Life | 380 shots (LCD), 510 shots (EVF) | 800 shots (CIPA) |
| Weight | 598g (body only) | 820g body only |
| Dimensions | 138.4 × 97.5 × 88.4mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.76× 3.69M-dot | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.2" tilting touchscreen |
| Mount | Canon RF | Pentax KF-mount |
| Memory Cards | 2× SD UHS-II | Dual SD UHS-II |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1, HDMI | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | EOS R6 | Pentax K-3 Mark III |
|---|---|---|
| Landscape | — | |
| Wildlife | — | |
| Sports & Action | — | |
| Portrait | — | |
| Travel | — | |
| Vlogging & Video | — |
More comparisons with EOS R6
Camera family history