IEVref:845-01-59ID:
Language:enStatus: Obsolete
Term: point brilliance
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Symbol: Ev
E
Definition: quantity involved in the visual observation of a source of light when viewed directly from such a distance that the apparent diameter is inappreciable. The point brilliance is measured by the illuminance produced by the source on a plane, at the observer's eye, normal to the direction of the source
unit : lx


Publication date:1987
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