A measurement of light intensity. Defined as the amount of illumination from a point source emitting 1 candela on the interior of a sphere with a 1 foot radius. It can also be defined as the illuminance on a 1 square foot surface from a source emitting 1 lumen.
See also lumen.
See also lumen.
This page has been seen 1,261 times.
-
-
Created by on
-