GFX 100RFvs A7S
Fujifilm
GFX 100RF (2025)
Starting from £5199 new
Best for Landscape, travel & street photography at medium format quality
View GFX 100RF
GearScore™ Verdict — Which should you buy?
Landscape, Travel & Street Photography At Medium Format Quality — GFX 100RF (2025): The world's first medium format compact — 102MP, 28mm, and all 20 Fujifilm film simulations in a fixed-lens body.
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 100RF (2025)
- Landscape photographers who want medium format resolution without a system of interchangeable lenses
- Leica Q3 owners who want a step up in resolution to 102MP medium format
- Fujifilm GFX users who want a compact fixed-lens body for travel alongside their system lenses
- Photographers who want the ultimate image quality in a jacket-pocketable form factor
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The gfx 100rf has the highest resolution at 102mp; the a7s is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | GFX 100RF (2025) | A7S (2014) |
|---|---|---|
| Price | £5,199 | £600 |
| Sensor | 102MP medium format BSI CMOS (43.8 × 32.9mm) | 12.2MP Full-Frame BSI CMOS |
| Resolution | 102.0MP | 12.2MP |
| Video | 4K/30p (crop), 4K/60p (crop) — F-Log2 | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | Phase-detect AF with face and eye detection | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | 8-stop IBIS | None |
| Burst Rate | 8fps electronic | 5fps |
| Battery Life | ~490 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 735g body only | 474g (with battery and card) |
| Dimensions | 159.0 × 90.4 × 59.0mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.86× 5.76M-dot — outstanding GFX viewfinder | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 3.2" tilting touchscreen, 2.36M dots | 3.0" tilting LCD, 1.23M dots |
| Mount | Fixed GF 35mm f/4 (28mm equivalent in 35mm terms) | Sony FE (full-frame E-mount) |
| Memory Cards | Single CFexpress Type B / SD UHS-II slot | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB-C, Wi-Fi 5GHz, Bluetooth, 3.5mm mic jack | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | GFX 100RF | A7S |
|---|---|---|
| Landscape | ||
| Travel | ||
| Street | ||
| Portrait | ||
| Sports | — | |
| Vlogging & Video | ||
| Astrophotography | — | |
| Sports & Action | — |
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