BS ISO/CIE 23539:2023
$198.66
Photometry. The CIE system of physical photometry
| Published By | Publication Date | Number of Pages |
| BSI | 2023 | 54 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 7 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Photometric quantities and units 4.1 Photometric quantities |
| 11 | 4.2 Photometric units 5 CIE standard spectral luminous efficiency functions 5.1 General 5.2 Photopic vision |
| 12 | 5.3 Scotopic vision 5.4 Mesopic vision |
| 13 | 5.5 10° photopic vision 6 Names, symbols and units for photometric quantities 6.1 General |
| 14 | 6.2 Photopic vision 6.3 Scotopic vision 6.4 Mesopic vision |
| 15 | 6.5 10° Photopic vision 6.6 Photometric quantities for other observers 7 Basic formulae relating photometric quantities to radiometric quantities 7.1 General 7.2 General formula |
| 16 | 7.3 General formula for luminous flux 7.4 Maximum luminous efficacy 7.4.1 General |
| 17 | 7.4.2 Photopic vision 7.4.3 Scotopic vision 7.4.4 Mesopic vision 7.4.5 10° photopic vision 7.4.6 Summary of maximum luminous efficacies |
| 18 | 7.5 (Photopic) luminous flux 7.6 Scotopic luminous flux 7.7 Mesopic luminous flux |
| 20 | 7.8 10° photopic luminous flux 8 Physical measurement 8.1 General |
| 21 | 8.2 Photometers 8.3 Spectroradiometers 8.3.1 Spectral measurement 8.3.2 Spectral calculations |
| 22 | 9 Tables of values of spectral luminous efficiency functions 9.1 Photopic vision |
| 26 | 9.2 Scotopic vision |
| 29 | 9.3 10° photopic vision |
| 33 | Annex A (informative) Example of a spectral luminous efficiency function for mesopic vision |
| 37 | Annex B (informative) Supplementary information on mesopic vision |
| 38 | Annex C (informative) Background of the CIE system of physical photometry |
| 40 | Annex D (informative) Guidance on valid description of photometric values |
| 41 | Annex E (informative) Cone-fundamental-based spectral luminous efficiency functions |
| 51 | Bibliography |
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