TREN
Sony a550 vs Sony a560: read noise comparison
Sony a550DxO
The Sony a550 (DSLR-A550) was measured at 7 ISO settings from ISO 200 to ISO 12800. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (200) read noise is 1.40 DN. From ISO 800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Sony a560DxO
The Sony a560 (DSLR-A560) was measured at 8 ISO settings from ISO 100 to ISO 12800. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 0.99 DN. From ISO 800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Sony a550 vs Sony a560 read noise table
| ISO | Sony a550 | Sony a560 |
|---|---|---|
| 100 | – | 0.993 |
| 200 | 1.404 | 1.366 |
| 400 | 1.879 | 1.972 |
| 800 | 3.681 | 3.294 |
| 1600 | 6.774 | 6.021 |
| 3200 | 13.177 | 12.042 |
| 6400 | 25.457 | 24.933 |
| 12800 | 50.213 | 61.820 |
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