A6100vs A7S
GearScore™ Verdict — Which should you buy?
Beginner, Family, Travel — A6100 (2019): Best autofocus in its class for the 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
A6100 (2019)
- First-time mirrorless buyers who want solid AF
- Families stepping up from a smartphone
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The a6100 has the highest resolution at 24mp; the a6100 is the most affordable; only the a7s is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | A6100 (2019) | A7S (2014) |
|---|---|---|
| Price | £549 | £600 |
| Sensor | APS-C Exmor CMOS | 12.2MP Full-Frame BSI CMOS |
| Resolution | 24.2MP | 12.2MP |
| Video | 4K 30fps | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | 425-point phase-detect, real-time tracking | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | None | None |
| Burst Rate | 11fps | 5fps |
| Battery Life | 420 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 396g (body only) | 474g (with battery and card) |
| Dimensions | 119.9 × 66.9 × 59.4mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF 0.39" 1.44M-dot | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 3.0" tilting touchscreen, 921k-dot | 3.0" tilting LCD, 1.23M dots |
| Mount | Sony E-Mount | Sony FE (full-frame E-mount) |
| Memory Cards | SD UHS-I / Memory Stick | Single SD / MemoryStick PRO Duo slot |
| Connectivity | Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | A6100 | A7S |
|---|---|---|
| Portrait | ||
| Street | ||
| Travel | ||
| Casual | — | |
| Vlogging & Video | ||
| Sports & Action | ||
| Astrophotography | — | |
| Landscape | — |
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