Optical radiation physics and illuminating engineering - Part 100: Melanopic effects of ocular light on human beings - Quantities, symbols and action spectra
Edition 2025-09

Photometry; terms of measurement on gas luminaires
Edition 1976-05

Photometry - Part 7: Classification of illuminance meters and luminance meters
Edition 2024-12

Photometry - Part 8: Data-sheet for illuminance meters
Edition 2017-02

Photometry - Part 9: Measurement of the photometric quantities of incoherent emitting semiconductor light sources
Edition 2015-01

Photometry - Part 10: Luminance meters, concepts, characteristics and their designation
Edition 2020-07

Photometry - Part 11: Near-field goniophotometers, terms, characteristics and their designation
Edition 2020-07

Colorimetry - Part 1: Basic terms of colorimetry
Edition 2017-10

Colorimetry - Part 7: Measuring conditions for object colours
Edition 2014-10

Colorimetry; measuring conditions for light sources
Edition 1982-04