Luminance

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Luminance	Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through, is emitted from, or is reflected from a particular area, and falls within a given solid angle.
Image: Luminance And Illuminance 3 638 (binary/octet-stream)	The SI unit for luminance is candela per square metre (cd/m2), as defined by the International System of Units standard for the modern metric system. A non-SI term for the same unit is the nit. The unit in the Centimetre–gram–second system of units (CGS) (which predated the SI system) is the stilb, which is equal to one candela per square centimetre or 10 kcd/m2.

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	Created by Alvaro Vargas Calero over 5 years ago