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Nikon Coolpix A vs Nikon Coolpix P330: read noise comparison
Nikon Coolpix ADxO
The Nikon Coolpix A was measured at 9 ISO settings from ISO 100 to ISO 25600. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 1.46 DN. Read noise keeps falling across the measured range, so the camera isn't fully ISO-invariant there.
Nikon Coolpix P330DxO
The Nikon Coolpix P330 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 1.32 DN. From ISO 400 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Nikon Coolpix A vs Nikon Coolpix P330 read noise table
| ISO | Nikon Coolpix A | Nikon Coolpix P330 |
|---|---|---|
| 80 | – | 1.320 |
| 100 | 1.464 | 1.670 |
| 200 | 2.497 | 3.074 |
| 400 | 5.242 | 4.500 |
| 800 | 11.236 | 9.580 |
| 1600 | 20.821 | 19.562 |
| 3200 | 43.411 | 33.128 |
| 6400 | 81.572 | 68.120 |
| 12800 | 190.019 | – |
| 25600 | 300.246 | – |
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