Lambert (unit)

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The lambert (symbol L) is an obsolete unit of luminance. 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) = \frac{1}{\pi} candela per square centimetre (0.3183 cd/cm²) or \frac{10^4}{\pi} cd m-2

[edit] Reference

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