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Olympus Stylus 1 vs Olympus XZ-2 iHS: read noise comparison
Olympus Stylus 1DxO
The Olympus Stylus 1 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 1.37 DN. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Olympus XZ-2 iHSDxO
The Olympus XZ-2 iHS 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 1.74 DN. Read noise keeps falling across the measured range, so the camera isn't fully ISO-invariant there.
Olympus Stylus 1 vs Olympus XZ-2 iHS read noise table
| ISO | Olympus Stylus 1 | Olympus XZ-2 iHS |
|---|---|---|
| 100 | 1.366 | 1.741 |
| 200 | 2.621 | 2.497 |
| 400 | 3.918 | 3.706 |
| 800 | 8.815 | 8.515 |
| 1600 | 20.821 | 15.242 |
| 3200 | 34.060 | 28.840 |
| 6400 | 60.129 | 68.120 |
| 12800 | 259.574 | 81.572 |
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