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Olympus PEN EP2 vs Olympus PEN EPL1: read noise comparison

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 EPL1DxO

The Olympus PEN EPL1 was measured at 5 ISO settings from ISO 200 to ISO 3200. Values were derived by Bill Claff from DxOMark lab data.

At base ISO (200) read noise is 4.72 DN. From ISO 800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.

Olympus PEN EP2 vs Olympus PEN EPL1 read noise table

ISOOlympus PEN EP2Olympus PEN EPL1
1003.630–
2004.1704.724
4005.5405.856
8009.9189.849
160018.76518.765
320037.53138.586
640078.249–

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Data: Photons to Photos · © William J. Claff