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Nikon Coolpix P7100 vs Nikon Coolpix P7800: read noise comparison
Nikon Coolpix P7100DxO
The Nikon Coolpix P7100 was measured at 6 ISO settings from ISO 100 to ISO 3200. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 2.53 DN. Read noise keeps falling across the measured range, so the camera isn't fully ISO-invariant there.
Nikon Coolpix P7800DxO
The Nikon Coolpix P7800 was measured at 8 ISO settings from ISO 80 to ISO 6400. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (80) read noise is 1.28 DN. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Nikon Coolpix P7100 vs Nikon Coolpix P7800 read noise table
| ISO | Nikon Coolpix P7100 | Nikon Coolpix P7800 |
|---|---|---|
| 80 | – | 1.283 |
| 100 | 2.532 | 1.385 |
| 200 | 5.205 | 2.657 |
| 400 | 9.987 | 4.563 |
| 800 | 19.698 | 8.398 |
| 1600 | 36.252 | 17.509 |
| 3200 | 49.867 | 33.128 |
| 6400 | – | 56.493 |
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