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Lambert (unit)

Non-SI metric unit of luminance

Non-SI metric unit of luminance

The lambert (symbol L) is a non-SI metric unit of luminance named for Johann Heinrich Lambert (1728–1777), a Swiss mathematician, physicist and astronomer. A related unit of luminance, the foot-lambert, is used in the lighting, cinema and flight simulation industries. The SI unit is the candela per square metre (cd/m2).

Definition

1 lambert (L) = \frac{1}{\pi} candela per square centimetre (0.3183 cd/cm2) or \frac{10^4}{\pi} cd m−2

References

References

  1. "lambert". [[Illuminating Engineering Society]].
  2. "Luminance {{!}} Photometric Brightness {{!}} Nit {{!}} Stilb {{!}} Apostilb {{!}} Blondel {{!}} Lambert {{!}} Footlambert {{!}} Skot".
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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