The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.
To search for another term please use "Back to the list" to return to the main page or the e-ILV.
For the complete set of terms and definitions CIE S 017:2020 can be purchased from the CIE Webshop. Members of a CIE National Committee or Associate National Committee have access to a 66,7 % discount on the purchase price of the standard.
For advice on CIE Publications contact ciecb@cie.co.at. Please note that the CIE CB may not be able to assist with enquiries of technical nature.
reflectance factor optical density
reflectance factor density
logarithm to base 10 of the reciprocal of the reflectance factor,
Note 1 to entry: The reflectance factor optical density has unit one.
Note 2 to entry: This entry was numbered 845-04-67 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-1060 in CIE S 017:2011.