GFX 50S IIvs A7S
Fujifilm
GFX 50S II (2021)
Starting from £2999 new
Best for Studio & portrait specialists
View GFX 50S II
GearScore™ Verdict — 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.
Astrophotography & Low-Light — A7S (2014): The original A7S pioneered the concept of a camera optimised entirely for low light. Its 12.2MP sensor has enormous photosites — extraordinary high-ISO performance that still holds up. Lacking IBIS and limited to 1080p internally (4K requires external recorder), it is a specialist tool. For astrophotography, event videography, or any scenario where light is genuinely scarce, it remains outstanding.
Who should buy what
GFX 50S II (2021)
- Photographers stepping into medium format for the first time
- Landscape and commercial shooters who want 51MP at an accessible medium-format price
- Studio photographers upgrading from full-frame who want a resolution jump
- GFX system buyers who want IBIS and medium-format quality without GFX 100S II pricing
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The gfx 50s ii has the highest resolution at 51mp; the a7s is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | GFX 50S II (2021) | A7S (2014) |
|---|---|---|
| Price | £2,999 | £600 |
| Sensor | 51.4MP Medium Format GFX 44×33mm BSI CMOS | 12.2MP Full-Frame BSI CMOS |
| Resolution | 51.4MP | 12.2MP |
| Video | 4K/30p (cropped) | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | Phase-detect, 425 points | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | 5-axis IBIS, 6.5 stops | None |
| Burst Rate | 3fps | 5fps |
| Battery Life | ~440 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 900g body only | 474g (with battery and card) |
| Dimensions | 150.0 × 104.2 × 87.2mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.77× magnification | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 3.2" tilting touchscreen | 3.0" tilting LCD, 1.23M dots |
| Mount | Fujifilm G-mount (medium format) | Sony FE (full-frame E-mount) |
| Memory Cards | Dual SD UHS-II slots | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB-C, Bluetooth, Wi-Fi | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | GFX 50S II | A7S |
|---|---|---|
| Studio Portraits | — | |
| Commercial | — | |
| Landscape | ||
| Portrait | ||
| Travel | ||
| Sports & Action | ||
| Astrophotography | — | |
| Vlogging & Video | — | |
| Street | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history