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54
Taking Photographs—White Balance
2
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
1
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
OK
0
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
6
, 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