X100Fvs Pentax K-3 Mark III
Fujifilm
X100F (2017)
Starting from £649 new
Best for Street, travel & everyday photography
View X100F
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, Travel & Everyday Photography — X100F (2017): The X100F is the camera that made the X100 series legendary — 24MP X-Trans III, a hybrid viewfinder, and the best fixed 35mm compact lens available.
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
X100F (2017)
- Street photographers who want a discreet, tactile camera with a fixed 35mm lens
- Travel photographers who prefer one lens and minimal kit
- Fujifilm fans who want the X100 experience at a lower cost than the X100V or VI
- Photographers who value the hybrid OVF/EVF for a rangefinder-like shooting style
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 x100f is the most affordable; only the pentax k-3 mark iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | X100F (2017) | Pentax K-3 Mark III (2021) |
|---|---|---|
| Price | £649 | £1,699 |
| Sensor | 24.3MP APS-C X-Trans CMOS III | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 24.3MP | 25.7MP |
| Video | 1080p/60p | 4K/30p, 1080p/60p |
| Autofocus | Intelligent Hybrid AF (phase-detect + contrast-detect), face detection | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | None | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 8fps | 12fps |
| Battery Life | ~390 shots (CIPA) | 800 shots (CIPA) |
| Weight | 469g (with battery and card) | 820g body only |
| Dimensions | 126.5 × 74.8 × 52.4mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | No | Yes |
| Viewfinder | Hybrid OVF/EVF — 0.5" EVF (2.36M dots) or OVF (0.5× magnification) | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.0" fixed LCD, 1.04M dots (no tilt, no touch) | 3.2" tilting touchscreen |
| Mount | Fixed Fujinon 23mm f/2 (35mm equiv) | Pentax KF-mount |
| Memory Cards | Single SD UHS-I slot | Dual SD UHS-II |
| Connectivity | Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | X100F | Pentax K-3 Mark III |
|---|---|---|
| Street | — | |
| Travel | ||
| Portrait | ||
| Landscape | ||
| Vlogging & Video | ||
| Wildlife | ||
| Sports & Action | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with X100F
Camera family history