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White Balance Fine-Tuning
If white balance has been fine-tuned, an asterisk ("E") will be displayed
next to the white balance setting. Note that the colors on the fine-
tuning axes are relative, not absolute. For example, moving the cursor
to B (blue) when a "warm" setting such as J (Incandescent) is selected
for white balance will make photographs slightly "colder" but will not
actually make them blue.
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"Mired"
Any given change in color temperature produces a greater difference
in color at low color temperatures than it would at higher color
temperatures. For example, a change of 1000 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 filters. 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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See Also
For information on varying white balance to "bracket" the current
value, see "Bracketing" (0 215).
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, is a measure of
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