Leica M10-Rvs Pentax K-3 Mark III
Leica
Leica M10-R (2020)
Starting from £5200 new
Best for Street, documentary, travel
View Leica M10-R
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?
Street, Documentary, Travel — Leica M10-R (2020): 40MP rangefinder photography — a deliberate, contemplative experience.
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
Leica M10-R (2020)
- Photographers who prefer manual focus and rangefinder composition
- Leica M lens collectors and enthusiasts
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 leica m10-r has the highest resolution at 41mp; the pentax k-3 mark iii is the most affordable; only the pentax k-3 mark iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Leica M10-R (2020) | Pentax K-3 Mark III (2021) |
|---|---|---|
| Price | £5,200 | £1,699 |
| Sensor | Full-frame CMOS 35mm | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 40.9MP | 25.7MP |
| Video | None | 4K/30p, 1080p/60p |
| Autofocus | Manual focus — optical rangefinder | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | None | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 5fps | 12fps |
| Battery Life | 220 shots (CIPA) | 800 shots (CIPA) |
| Weight | 660g | 820g body only |
| Dimensions | 139.0 × 38.5 × 80.0mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | No | Yes |
| Viewfinder | Optical rangefinder 0.73× magnification | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.0" fixed touchscreen, 1.04M-dot | 3.2" tilting touchscreen |
| Mount | Leica M-Mount | Pentax KF-mount |
| Memory Cards | Single SD UHS-II | Dual SD UHS-II |
| Connectivity | Wi-Fi, Bluetooth, USB-C | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | Leica M10-R | Pentax K-3 Mark III |
|---|---|---|
| Landscape | — | |
| Wildlife | — | |
| Sports & Action | — | |
| Portrait | — | |
| Travel | — | |
| Vlogging & Video | — |
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Camera family history