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Olympus PEN E-PM2 vs Olympus PEN EP2: read noise comparison
Olympus PEN E-PM2DxO
The Olympus PEN E-PM2 was measured at 8 ISO settings from ISO 200 to ISO 25600. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (200) read noise is 1.14 DN. From ISO 6400 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 E-PM2 vs Olympus PEN EP2 read noise table
| ISO | Olympus PEN E-PM2 | Olympus PEN EP2 |
|---|---|---|
| 100 | – | 3.630 |
| 200 | 1.141 | 4.170 |
| 400 | 1.329 | 5.540 |
| 800 | 1.866 | 9.918 |
| 1600 | 4.028 | 18.765 |
| 3200 | 7.621 | 37.531 |
| 6400 | 13.086 | 78.249 |
| 12800 | 22.627 | – |
| 25600 | 48.840 | – |
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