Standard

ISO/CIE 11664-2:2022

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Abstract

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.

Document information

  • Standard from ISO/CIE
  • Published:
  • Edition: 1
  • Document type: IS
  • Pages
  • Publisher ISO/CIE
  • Distributor ISO/CIE
  • ICS 17.180.20
  • ISO TC CIE

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