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102

Nikon Capture 4 Editor Preferences

The Advanced Color Tab

The Advanced Color tab contains the fol-

low ing items:

Black Auto-Contrast clip

By default, the black point is set to a value

that excludes 0.5% of the darkest pixels in

the crop. This produces an optimal dynamic

range, with minimal loss of detail in shad-

ows. To preserve detail at the expense of dy-

namic range, choose a lower value (choose 0

to set the black point to the darkest pixel in

the crop). To increase dynamic range at the

expense of detail, choose a higher value.

White Auto-Contrast clip

By default, the white point is set to a value

that excludes 0.5% of the brightest pixels in

the crop. This produces an optimal dynamic range, with minimal loss of detail in highlights.

To preserve detail at the expense of dynamic range, choose a lower value (choose 255 to set

the white point to the brightest pixel in the crop). To increase dynamic range at the expense

of detail, choose a higher value.

Black Dropper value/White Dropper value

Controls the default output values for white point and black point. Output for each channel

can be set to a value between zero and 255; these settings can also be adjusted in the Curves

window. By default, output levels for the white point are 255 for each channel, which displays

as white on most computer monitors. The defaults for the black point are 0 for each channel,

which displays as black.

Dropper sample size

This setting determines the size of the area sampled with the eyedropper, set curve point, and

add watch point cursors in the White Balance, Curves, LCH Editor, and Information palettes.

You can select a sample sizes of Point Sample (the default setting), 3 × 3 Average, and 5 × 5

Average. When the sample size is set to 3 × 3 or 5 × 5, the average for the pixels sampled is

used. Choosing a large sample size reduces precision, but also min i miz es the effects of noise;

choosing a small sample size has the op po site effect.

Reset to Default

Click this button to restore settings in the Advanced Color tab to their default values.

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Nikon 4 Bedienungsanleitung Seite 106