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ISO Sensitivity / Noise levels (contd.)

In-camera High ISO noise reduction

The D300 has four different levels of noise reduction; Off, Low, Normal and High (with Normal as the default). The good news is that the Normal setting is tuned quite nicely to give a good answer to the compromise between noise levels and detail and that the latitude of adjustment between 'Off' and 'High' is great enough for this option to be useful. If you have your own noise reduction workflow or prefer your images with no potential NR smearing you can choose the Off option, if you want to avoid noise almost completely and aren't too concerned that detail may be compromised High is for you.

Indicated ISO sensitivity is on the horizontal axis of this graph, standard deviation of luminosity on the vertical axis (note that the standard deviation scale here has been extended 3x compared to the graphs on the previous page).

Noise reduction crop comparisons (ISO 800 - 6400)

ISO 800
NR Off
ISO 800
NR Low
ISO 800
NR Normal
ISO 800
NR High
ISO 1600
NR Off
ISO 1600
NR Low
ISO 1600
NR Normal
ISO 1600
NR High
ISO 3200
NR Off
ISO 3200
NR Low
ISO 3200
NR Normal
ISO 3200
NR High
ISO 6400
NR Off
ISO 6400
NR Low
ISO 6400
NR Normal
ISO 6400
NR High
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