Definitions for "FOOTLAMBERT"
A unit of luminance or brightness equal to 1/d candles per foot'.
The measure of reflectance of a surface; the number of reflected footcandles from a surface, sometimes referred to as the brightness of a surface.
Lumen per square foot, if the light source has the features of lambert. Measuring unit for the luminance of cathode ray tubes or other extensive light source. Stands for the brightness which the screen reflects to the audience. More exact measuring unit than ANSI lumen, if the room is not completely dark, since the remaining light changes the reflected image.