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Olympus PEN EP1 vs Olympus PEN EP2: read noise comparison
Olympus PEN EP1DxO
The Olympus PEN EP1 was measured at 7 ISO settings from ISO 100 to ISO 6400. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 3.81 DN. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Olympus PEN EP2DxO
The Olympus PEN EP2 was measured at 7 ISO settings from ISO 100 to ISO 6400. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 3.63 DN. From ISO 400 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Olympus PEN EP1 vs Olympus PEN EP2 read noise table
| ISO | Olympus PEN EP1 | Olympus PEN EP2 |
|---|---|---|
| 100 | 3.811 | 3.630 |
| 200 | 3.972 | 4.170 |
| 400 | 5.502 | 5.540 |
| 800 | 8.815 | 9.918 |
| 1600 | 18.379 | 18.765 |
| 3200 | 35.261 | 37.531 |
| 6400 | 59.714 | 78.249 |
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