cie

17-29-084

light centre, <of a light source>

point used as origin for photometric measurements and calculations

Note 1 to entry: This entry was numbered 845-09-64 in IEC 60050-845:1987.

Note 2 to entry: This entry was numbered 17-661 in CIE S 017:2011.

Publication date: 2020-12
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