light-diffusing surface

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• ground glass — noun Date: 1848 glass with a light diffusing surface produced by etching or abrading …   New Collegiate Dictionary

• Soft box — A Soft box is a type of photographic lighting device, one of a number of photographic soft light devices. All the various soft light types create soft diffused light by directing light through some diffusing material, or by bouncing light off a… …   Wikipedia

• lambert — A unit of brightness; the brightness of a perfectly diffusing surface emitting or reflecting a total luminous flux of 1 lumen/sq cm of surface. [J.H. L., German physicist and mathematician, 1728–1777] * * * lam·bert lam bərt n the centimeter gram …   Medical dictionary

• Footlambert — WikiV A unit of luminance equal to 1 / Π candela per square foot or to the uniform luminance at a perfectly diffusing surface emitting or reflecting light at the rate of one lumen per square foot. A lumen per square foot is a unit of incident… …   Audio and video glossary

• FL — WikiV A unit of luminance equal to 1 / Π candela per square foot or to the uniform luminance at a perfectly diffusing surface emitting or reflecting light at the rate of one lumen per square foot. A lumen per square foot is a unit of incident… …   Audio and video glossary

• ground glass — noun 1. glass that diffuses light due to a rough surface produced by abrasion or etching (Freq. 1) • Hypernyms: ↑glass 2. particulate glass made by grinding and used as an abrasive • Hypernyms: ↑glass * * * noun 1. : glass whos …   Useful english dictionary

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