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Keywords: Centimeter, Johann, Photometric, Cgs, Candela

Related Terms: Photometry, Albedo, Brightness, Candela, Candlepower, Candle Power, Daylight, Foot Candle, Glare, Illuminated, Illumination, Intensity, Lumen, Luminous, Photometer, Radiance , Luminance, Standard Candle, Color Rendering Index, Illuminance, Nit, Intensity, Irradiance, Radiant Intensity, Luminosity, Lux , Flux , Luminous Intensity, Inverse Square Law, Coefficient Of Utilization, Luminous Efficacy, Footcandle, Footlambert, Direct Lighting, Lighting Ratio, Lumens, Luminous Flux, Highlight , Flat Lighting, Brightness Ratio, Spectral Irradiance, Glow, Daylight Factor, Absolute Brightness, Cd/M2, Foot-Candle, Phot, Crepuscular Rays, Mie Scattering

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A unit of luminance (or brightness) equal to 1/6 candles per square centimeter.

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a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter

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A unit of measure expressing the intensity of light reflected off an object. 1 lambert = 0.318 foot-candles per square centimeter.

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A unit of luminance (photometric brightness). One lambert is the luminance of a surface that emits or reflects one lumen per square centimeter. The lambert honors the German physicist Johann Lambert (1728-1777), who showed that the illuminance of a surface is inversely proportional to the square of the distance from the light source.

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