GFX 50S IIvs Fujifilm X-Pro3vs Pentax K-3 Mark III
Fujifilm
Fujifilm X-Pro3 (2019)
From £1599
Best for Street, documentary & rangefinder enthusiasts
View Fujifilm X-Pro3
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?
Studio & Portrait Specialists — GFX 50S II (2021): Medium format quality at the most accessible price ever — 51MP detail and tonal richness no APS-C or full-frame body can replicate.
Street, Documentary & Rangefinder Enthusiasts — Fujifilm X-Pro3 (2019): The most opinionated camera Fujifilm makes — a hidden screen and hybrid OVF enforce deliberate photography, rewarding photographers who slow down.
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
GFX 50S II (2021)
- You want to experience medium format without a five-figure investment
- You shoot landscape, architecture, or portraits where resolution and tonal depth matter
- You're in the Fujifilm ecosystem and want to step up to a larger sensor
Fujifilm X-Pro3 (2019)
- You shoot street or documentary photography and value a minimal shooting workflow
- You want a rangefinder experience with modern digital image quality
- You love Fujifilm film simulations and prioritise stills over video
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 gfx 50s ii has the highest resolution at 51mp; the fujifilm x-pro3 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | GFX 50S II (2021) | Fujifilm X-Pro3 (2019) | Pentax K-3 Mark III (2021) |
|---|---|---|---|
| Price | £2,999 | £1,599 | £1,699 |
| Sensor | 51.4MP Medium Format GFX 44×33mm BSI CMOS | 26.1MP APS-C X-Trans CMOS IV | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 51.4MP | 26.1MP | 25.7MP |
| Video | 4K/30p (cropped) | 4K/30p, 1080p/120p | 4K/30p, 1080p/60p |
| Autofocus | Phase-detect, 425 points | Hybrid phase/contrast AF with face/eye detection | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | 5-axis IBIS, 6.5 stops | None (lens-based only) | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 3fps | 11fps mechanical / 20fps electronic | 12fps |
| Battery Life | ~440 shots (CIPA) | 440 shots (CIPA) | 800 shots (CIPA) |
| Weight | 900g body only | 497g body only | 820g body only |
| Dimensions | 150.0 × 104.2 × 87.2mm | 140.5 × 82.8 × 46.1mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | Yes | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.77× magnification | Hybrid OVF/EVF — 0.5" OLED, 3.69M dots | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.2" tilting touchscreen | 3.0" hidden sub-LCD (opens down only) | 3.2" tilting touchscreen |
| Mount | Fujifilm G-mount (medium format) | Fujifilm X-mount | Pentax KF-mount |
| Memory Cards | Dual SD UHS-II slots | Single SD UHS-I | Dual SD UHS-II |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
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