Nikon D780, Reference Manual

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203
Shooting Settings
A “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
6 , is a measure of 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