cie

17-29-043

half-peak divergence, <of a projector, in a specified plane>

angular extent of all the radius vectors of the polar curve of luminous intensity in the specified plane having lengths greater than 50 % of the maximum

Note 1 to entry: This entry was numbered 845-09-30 in IEC 60050-845:1987.

Note 2 to entry: This entry was numbered 17-514 in CIE S 017:2011.

Publication date: 2020-12
Copyright © CIE 2020. All Rights Reserverd.