TREN
Sony a37 vs Sony a380: read noise comparison
Sony a37DxO
The Sony a37 (SLT-A37) was measured at 9 ISO settings from ISO 100 to ISO 16000. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 0.72 DN. From ISO 800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Sony a380DxO
The Sony a380 (DSLR-A380) was measured at 6 ISO settings from ISO 100 to ISO 3200. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 1.44 DN. From ISO 100 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Sony a37 vs Sony a380 read noise table
| ISO | Sony a37 | Sony a380 |
|---|---|---|
| 100 | 0.717 | 1.444 |
| 200 | 1.079 | 2.969 |
| 400 | 2.000 | 5.352 |
| 800 | 3.340 | 10.483 |
| 1600 | 7.013 | 20.252 |
| 3200 | 14.026 | 40.504 |
| 6400 | 33.128 | – |
| 12800 | 69.551 | – |
| 16000 | 87.427 | – |
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