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Olympus PEN EPL3 vs Olympus PEN EPM1: read noise comparison
Olympus PEN EPL3DxO
The Olympus PEN EPL3 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 4.08 DN. From ISO 400 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Olympus PEN EPM1DxO
The Olympus PEN EPM1 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 4.00 DN. Read noise keeps falling across the measured range, so the camera isn't fully ISO-invariant there.
Olympus PEN EPL3 vs Olympus PEN EPM1 read noise table
| ISO | Olympus PEN EPL3 | Olympus PEN EPM1 |
|---|---|---|
| 200 | 4.084 | 4.000 |
| 400 | 4.857 | 5.736 |
| 800 | 9.514 | 10.056 |
| 1600 | 16.795 | 17.388 |
| 3200 | 36.758 | 37.014 |
| 6400 | 72.505 | 79.893 |
| 12800 | 194.012 | 86.223 |
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