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Canon PowerShot S100 vs Canon PowerShot S120: read noise comparison
Canon PowerShot S100DxO
The Canon PowerShot S100 was measured at 8 ISO settings from ISO 80 to ISO 6400. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (80) read noise is 1.55 DN. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Canon PowerShot S120DxO
The Canon PowerShot S120 was measured at 9 ISO settings from ISO 80 to ISO 12800. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (80) read noise is 1.30 DN. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Canon PowerShot S100 vs Canon PowerShot S120 read noise table
| ISO | Canon PowerShot S100 | Canon PowerShot S120 |
|---|---|---|
| 80 | 1.548 | 1.301 |
| 100 | 2.313 | 1.625 |
| 200 | 2.888 | 2.789 |
| 400 | 4.993 | 5.776 |
| 800 | 7.062 | 10.629 |
| 1600 | 12.042 | 19.027 |
| 3200 | 17.630 | 30.910 |
| 6400 | 74.028 | 82.139 |
| 12800 | – | 190.019 |
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