- APS-C 369.7mm2
- 24.3 megapixels
- ISO 100 - 16,000
- Go in depth with our full Sony A77 Review.
- See real-world photos taken with the A77.
- Succeeded by the Sony A77 II
- Compare A77 vs A77 II
- Compare SONY A77 II vs LEICA Q2
Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.
Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.
You can learn more at our glossary entry.
Maximum effective ISO test data courtesy of DxO Mark.
Q test data on DxO Mark A77 test data on DxO MarkVery fast top frame rate; full-time phase-detect autofocus; Full 60p HD video; Excellent kit lens; Very good high-resolution sensor.
Heavy; EVF appears dim when used in bright light; AF tracking in Movie mode was unreliable in our testing.