IEVref:
845-04-71
ID:
Language:
en
Status:
Obsolete
Term:
luminance coefficient (at a surface element, in a given direction, under specified conditions of illumination)
Synonym1:
Synonym2:
Synonym3:
Symbol:
q
v
q
Definition:
quotient of the luminance of the surface element in the given direction by the illuminance on the medium
unit: sr
-1
NOTE – See Note to 845-04-70.
Publication
date
:
1987
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
quotient of the luminance of the surface element in the given direction by the illuminance on the medium
unit: sr
-1