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BS ISO/CIE 23539:2023 Photometry. The CIE system of physical photometry, 2023
- National foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Photometric quantities and units [Go to Page]
- 5 CIE standard spectral luminous efficiency functions [Go to Page]
- 6 Names, symbols and units for photometric quantities [Go to Page]
- 7 Basic formulae relating photometric quantities to radiometric quantities [Go to Page]
- 8 Physical measurement [Go to Page]
- 9 Tables of values of spectral luminous efficiency functions [Go to Page]
- Annex A (informative) Example of a spectral luminous efficiency function for mesopic vision
- Annex B (informative) Supplementary information on mesopic vision
- Annex C (informative) Background of the CIE system of physical photometry
- Annex D (informative) Guidance on valid description of photometric values
- Annex E (informative) Cone-fundamental-based spectral luminous efficiency functions
- Bibliography [Go to Page]
