X100Svs A7S
GearScore™ Verdict — Which should you buy?
Street & Travel — X100S (2013): The X100S was the moment the X100 series became legendary. Dramatically faster phase-detect AF, X-Trans II image quality, Fujifilm's film simulations, and the iconic hybrid viewfinder in a pocketable fixed-lens body — the blueprint every subsequent X100 has built on. A brilliant used-market buy for street and travel photographers who want the Fujifilm experience at an accessible price.
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
X100S (2013)
- Street photographers who want the Fujifilm X100 experience on a budget
- Travel photographers who love a fixed focal length
- Film photography enthusiasts who want digital film simulations
- Used-market buyers stepping into the X100 series
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The x100s has the highest resolution at 16mp; the x100s is the most affordable; only the a7s is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | X100S (2013) | A7S (2014) |
|---|---|---|
| Price | £250 | £600 |
| Sensor | 16.3MP APS-C X-Trans CMOS II | 12.2MP Full-Frame BSI CMOS |
| Resolution | 16.3MP | 12.2MP |
| Video | 1080p/60p | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | Hybrid AF with sensor-embedded phase-detect + contrast-detect | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | — | None |
| Burst Rate | 6fps | 5fps |
| Battery Life | ~330 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 445g (with battery and card) | 474g (with battery and card) |
| Dimensions | 126.5 × 74.4 × 52.4mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | No | Yes |
| Viewfinder | Hybrid optical/electronic viewfinder | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 2.8" fixed LCD, 460k dots | 3.0" tilting LCD, 1.23M dots |
| Mount | Fixed Fujinon 23mm f/2 (35mm equivalent) | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB, Wi-Fi (via optional adapter) | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | X100S | A7S |
|---|---|---|
| Street | ||
| Travel | ||
| Casual | — | |
| Portrait | ||
| Landscape | ||
| 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