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The WB Button
When the monitor is off, white balance can be
fi ne tuned by pressing the WB button and rotating
the sub-command dial.
Fine-Tuning and Color Temperature
Approximate color-temperatures for settings other than A (auto) are given below (val-
ues may differ from color temperatures given by pho to color meters):
Incandescent
+3
2,700 K
+2
2,800 K
+1
2,900 K
±0
3,000 K
–1
3,100 K
–2
3,200 K
–3
3,300 K
* The size of the increments for Fluorescent refl ects the wide variations in color tem-
per a ture among the many different types of fl uorescent light source, ranging from
low-tem per a ture sta di um lighting to high-temperature mer cu ry-vapor lamps.
"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
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
Direct
*
Fluorescent
sunlight
2,700 K
4,800 K
3,000 K
4,900 K
3,700 K
5,000 K
4,200 K
5,200 K
5,000 K
5,300 K
6,500 K
5,400 K
7,200 K
5,600 K
Cloudy
Flash
(daylight)
4,800 K
5,400 K
5,000 K
5,600 K
5,200 K
5,800 K
5,400 K
6,000 K
5,600 K
6,200 K
5,800 K
6,400 K
6,000 K
6,600 K
Shade
(daylight)
6,700 K
7,100 K
7,500 K
8,000 K
8,400 K
8,800 K
9,200 K
6
, is a measure of
51

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