Nikon D2H Manuel d'utilisateur télécharger pdf (Page 66)

Taking Photographs—White Balance

Press the multi selector up or down to choose

the desired value and press the multi selector

to the right. The shooting menu will be dis-

played.

Fine-Tuning White Balance

At settings other than (Choose color temp.) and PRE (preset), white

bal ance can be “ﬁ ne tuned” to compensate for vari a tions in the color of

the light source or to in tro duce a deliberate “warm” or “cold” cast into

an image. Higher settings can be used to lend im ag es a blu ish tinge or to

com pen sate for light sources with a yellow or red cast, while low er ing white

bal ance can make pho to graphs ap pear slight ly more yellow or red or com-

pen sate for light sources with a blue cast. Adjustments can be made in the

range +3 to –3 in in cre ments of one. Except in Fluorescent mode, each

in cre ment is equiv a lent to about 10 mired.

White balance is ﬁ ne tuned using the White bal. option in the shooting

menu or by pressing the WB button and rotating the sub-command dial.

The White Balance Menu

In the white balance menu ( 52), highlight

an option other than Choose color temp.

or White bal. preset and press the multi

selector to the right.

White bal.

Auto

Incandescent

Fluorescent

Direct sunlight

Flash

Cloudy

Shade

SHOOTING MENU

Auto

White bal.

SHOOTING MENU

“Mired”

Any given change in color temperature produces a greater difference in color at low

color tem per a tures than it would at higher color temperatures. For example, a change

of 100 K produces a much greater change in color at 3000 K than at 6000 K. Mired,

calculated by multiplying the inverse of the color temperature by 10

, is a measure of

color temperature that takes such variation into account, and as such is the unit used

in color-temperature compensation ﬁ lters. E.g.:

• 4000 K – 3000 K (a difference of 1000 K) = 83 mired

• 7000 K – 6000 K (a difference of 1000 K) = 24 mired

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Nikon D2H Manuel d'utilisateur Page 66

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