Professional Sports, Wildlife & High-Resolution Studio Work — A1 II (2025): The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
Hybrid Photography, Travel & Video On Sony Aps-C — A6600 (2019): The APS-C Sony that has everything — IBIS, real-time Eye AF, excellent battery life, and 4K/30p in a weather-sealed body.
Who should buy what
A1 II (2025)
A6600 (2019)
Quick take: The a1 ii has the highest resolution at 50mp; the a6600 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | A1 II (2025) | A6600 (2019) |
|---|---|---|
| Price | £6,500 | £1,299 |
| Sensor | 50.1MP full-frame stacked BSI CMOS | 24.2MP APS-C Exmor CMOS |
| Resolution | 50.1MP | 24.2MP |
| Video | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion | 4K/30p (no crop), 1080p/120p |
| Autofocus | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train | Real-time Eye AF, real-time tracking — inherited from A9 |
| Stabilisation | 8.5-stop IBIS (with in-lens OSS) | 5-axis IBIS — 5 stops |
| Burst Rate | 30fps electronic (with full AF/AE), 10fps mechanical | 11fps continuous with AF/AE |
| Battery Life | ~530 shots (CIPA) | ~810 shots (CIPA) — large NP-FZ100 battery |
| Weight | 743g body only | 503g body only |
| Dimensions | 136.1 × 96.9 × 82.9mm | 120 × 66.9 × 69.3mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.9× 9.44M-dot — the highest resolution EVF available | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.2" fully articulating touchscreen, 2.1M dots | 3.0" touchscreen, tilting |
| Mount | Sony E-mount (full-frame) | Sony E-mount (APS-C) |
| Memory Cards | Dual CFexpress Type A / SD UHS-II slots | Single SD UHS-I slot |
| Connectivity | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size | USB-C, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacks |
Suitability by genre
| Genre | A1 II | A6600 |
|---|---|---|
| Sports | ||
| Wildlife | ||
| Portrait | ||
| Landscape | — | |
| Vlogging & Video | ||
| Travel | ||
| Street | — |
More comparisons with A1 II
Camera family history