Foot-lambert

What is Foot-lambert?

Foot-lambert definition and meaning on Dictionary terms:
noun Optics.
a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous flux of one lumen per square foot, the luminance of a perfectly reflecting surface receiving an illumination of one foot-candle. Abbreviation: fL

 

reference: https://www.dictionary.com/browse/foot-lambert

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