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magnification ratio, <of a luminaire>

ratio of the maximum luminous intensity of the luminaire, generally a projector, to the mean spherical luminous intensity of its lamp

Note 1 to entry: In certain countries, the definition of the magnification ratio varies according to the types of luminaires or lamps.

Note 2 to entry: The magnification ratio has unit one.

Note 3 to entry: This entry was numbered 845-09-43 in IEC 60050-845:1987.

Note 4 to entry: This entry was numbered 17-748 in CIE S 017:2011.

Publication date: 2020-12
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