DJI Action 5 Provs GFX 50S IIvs Pentax K-3 Mark III
DJI
DJI Action 5 Pro (2024)
From £349
Best for Adventure, outdoor sports & action
View DJI Action 5 Pro
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?
Adventure, Outdoor Sports & Action — DJI Action 5 Pro (2024): DJI's best action camera — 4K/120p from a large 1/1.3" sensor, 20m waterproofing without a housing, and the best EIS stabilisation in any action camera.
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.
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
DJI Action 5 Pro (2024)
- You shoot adventure sports, cycling, skiing, surfing, or travel
- You want the best stabilisation and video quality in a wearable action cam
- You need long battery life for extended outdoor use without recharging
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
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 dji action 5 pro is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | DJI Action 5 Pro (2024) | GFX 50S II (2021) | Pentax K-3 Mark III (2021) |
|---|---|---|---|
| Price | £349 | £2,999 | £1,699 |
| Sensor | 1/1.3" CMOS | 51.4MP Medium Format GFX 44×33mm BSI CMOS | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 50.0MP | 51.4MP | 25.7MP |
| Video | 4K/120p, 4K/60p HDR, 1080p/240p | 4K/30p (cropped) | 4K/30p, 1080p/60p |
| Autofocus | Subject tracking AF | Phase-detect, 425 points | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | RockSteady 3.0 EIS + HorizonSteady | 5-axis IBIS, 6.5 stops | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 20fps | 3fps | 12fps |
| Battery Life | 160 mins video | ~440 shots (CIPA) | 800 shots (CIPA) |
| Weight | 145g | 900g body only | 820g body only |
| Dimensions | 70.5 × 44.2 × 32.8mm | 150.0 × 104.2 × 87.2mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | Yes | Yes | Yes |
| Viewfinder | None | EVF, 3.69M dots, 0.77× magnification | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 2.5" front + 1.4" rear touchscreen | 3.2" tilting touchscreen | 3.2" tilting touchscreen |
| Mount | Fixed 12mm-equiv f/2.8 ultra-wide lens | Fujifilm G-mount (medium format) | Pentax KF-mount |
| Memory Cards | Single microSD | Dual SD UHS-II slots | Dual SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth |
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