Lambert (unit)
From Wikipedia, the free encyclopedia
The lambert (symbol L) is an obsolete unit of luminance named for Johann Heinrich Lambert. A related unit of luminance, the footlambert, is still sometimes used in the lighting industry. The SI units is the candela per square metre (cd/m²).
[edit] Definition
1 lambert (L) = candela per square centimetre (0.3183 cd/cm²) or cd m-2