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ISO/CIE 11664-2:2022

Colorimetry — Part 2: CIE standard illuminants ISO/CIE 11664-2:2022

Publication date:   Aug 31, 2022

General information

60.60 Standard published   Aug 31, 2022

ISO/CIE

CIE International Commission on Illumination

International Standard

17.180.20   Colours and measurement of light

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11664-2:2007

NOW

PUBLISHED
ISO/CIE 11664-2:2022
60.60 Standard published
Aug 31, 2022