휘도의 cgs 단위로, 1제곱센티미터의 면적에서 1루멘의 광속이 방출되거나 반사될 때의 밝기를 의미함.
A non-SI unit of luminance in the centimeter-gram-second system, equivalent to the brightness of a surface that emits or reflects one lumen per square centimeter.
예문:
"In older lighting engineering textbooks, the lambert was frequently used to describe the surface brightness of lamps."
"The calculation showed that the screen's luminance was approximately 0.5 lambert under standard operating conditions."