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ISO/CIE 11664-2:2022

Colorimetry — Part 2: CIE standard illuminants

General information
Valid from 31.08.2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
31.08.2022
Main
15.10.2007
Main
This document defines three CIE standard illuminants for use in colorimetry: CIE standard illuminant A for the representation of typical tungsten-filament lighting, CIE standard illuminant D65 for the representation of average daylight having a correlated colour temperature of approximately 6 500 K and CIE standard illuminant D50 for the representation of daylight with a correlated colour temperature of approximately 5 000 K. Values of the relative spectral power distribution of the three illuminants are included in this document.
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