Is it worth upgrading? Spec analysis, key improvements, and our verdict.
| Genre | A7 IV | A1 II | |
|---|---|---|---|
| Studio Portraits | — | ||
| Outdoor Portraits | — | ||
| Wedding & Events | — | ||
| Vlogging & Video | — | ||
| Landscape | — | ||
| Sports & Action | — | ||
| Sports | — | ||
| Wildlife | — | ||
| Portrait | — | ||
| Travel | — |
| Spec | A7 IV | A1 II | |
|---|---|---|---|
| Price | £2,299 | £6,500 | |
| Released | 2021 | 2025 | ↑ |
| Sensor | 33MP Full-frame BSI Exmor R CMOS | 50.1MP full-frame stacked BSI CMOS | |
| Resolution | 33MP | 50MP | ↑ |
| Video | 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion | |
| Autofocus | 759-point phase-detect, AI subject recognition | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train | |
| Stabilisation | 5-axis IBIS, 5.5 stops | 8.5-stop IBIS (with in-lens OSS) | |
| Burst Rate | 10fps mechanical, 30fps electronic | 30fps electronic (with full AF/AE), 10fps mechanical | ↑ |
| Battery Life | ~580 shots (CIPA) | ~530 shots (CIPA) | ↓ |
| Weight | 659g body only | 743g body only | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 3.69M dots, 0.78× magnification | EVF 0.9× 9.44M-dot — the highest resolution EVF available | |
| Screen | 3.0" vari-angle touchscreen | 3.2" fully articulating touchscreen, 2.1M dots | |
| Mount | Sony FE (full-frame E-mount) | Sony E-mount (full-frame) | |
| Memory Cards | Dual slots: CFexpress Type A + SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
See A7 IV and A1 II next to each other with our interactive comparison tool.
Tell us what you shoot and we'll score the A1 II against your specific genres — not just specs.