X-T3vs A7S
GearScore™ Verdict — Which should you buy?
Video, Street, Travel, Portrait — X-T3 (2018): The camera that proved APS-C could punch above full-frame on video.
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
X-T3 (2018)
- Hybrid shooters who want 4K 60fps 10-bit without full-frame prices
- Street photographers who want physical dials and compact size
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The x-t3 has the highest resolution at 26mp; the a7s is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | X-T3 (2018) | A7S (2014) |
|---|---|---|
| Price | £649 | £600 |
| Sensor | APS-C X-Trans CMOS 4 BSI | 12.2MP Full-Frame BSI CMOS |
| Resolution | 26.1MP | 12.2MP |
| Video | 4K 60fps 10-bit (internal) | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | 425-point phase-detect intelligent hybrid AF | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | None | None |
| Burst Rate | 11fps mechanical, 20fps electronic | 5fps |
| Battery Life | 390 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 539g (body only) | 474g (with battery and card) |
| Dimensions | 132.5 × 92.8 × 58.8mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.75× 3.69M-dot | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 3.0" tilting touchscreen, 1.04M-dot | 3.0" tilting LCD, 1.23M dots |
| Mount | Fujifilm X-Mount | Sony FE (full-frame E-mount) |
| Memory Cards | 2× SD UHS-II | Single SD / MemoryStick PRO Duo slot |
| Connectivity | Wi-Fi, Bluetooth 4.2, USB-C 3.1, Micro HDMI | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | X-T3 | A7S |
|---|---|---|
| Portrait | ||
| Street | ||
| Travel | ||
| Landscape | ||
| Vlogging & Video | ||
| Sports & Action | ||
| Astrophotography | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with X-T3
Camera family history