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Olympus E-600 vs Olympus E-620: read noise comparison

Olympus E-600DxO

The Olympus E-600 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 3.94 DN. From ISO 800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.

Olympus E-620DxO

The Olympus E-620 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 3.97 DN. From ISO 800 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.

Olympus E-600 vs Olympus E-620 read noise table

ISOOlympus E-600Olympus E-620
2003.9453.972
4005.3525.389
8008.6348.754
160018.50716.450
320032.67234.535

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Data: Photons to Photos · © William J. Claff