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Quick take: The A7 has the highest resolution at 24MP; the 1 J5 is the most affordable; only the A7 is weather sealed.
16 specs side by side·14 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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A7 — Camera History & Full-Frame Introduction: The camera that changed photography — the world's first compact full-frame mirrorless, the A7 launched a product family that redefined what was possible.
| Specification | 1 J5Nikon · 2015 | A7Sony · 2013 |
|---|---|---|
| Price | — | £151 used |
| Sensor | 20.8MP 1-inch (CX) BSI CMOS | 24.3MP Full-Frame CMOS |
| Resolution | 20.8MP | 24.3MPBest |
| Video | 4K UHD/15p, 1080p/60 | 1080p/60p |
| Autofocus | Hybrid AF: 171 areas, 105 with phase detection; face detection, subject tracking | 117 phase-detect + 25 contrast-detect AF points |
| Stabilisation | No IBIS (lens-based stabilisation only) | No stabilisation |
| Burst Rate | 20fpsBest | 5fps |
| Battery Life | ~250 shots (CIPA) | ~340 shots (CIPA)Best |
| Weight | 265g (with battery)Best | 474g (with battery and card) |
| Dimensions | 98.3 × 59.7 × 31.5mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | None (rear screen only) | EVF, OLED 2.36M dots, 0.71× magnification |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.0" tilting LCD, 1.23M dots (no touch) |
| Mount | Nikon 1 | Sony FE (full-frame E-mount) |
| Memory Cards | Single microSD slot | Single SD UHS-I slot |
| Connectivity | USB, micro HDMI, Wi-Fi, NFC | USB, Wi-Fi, NFC |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →