ESTA Announces a New Photometrics Working Group Project

BSR E1.25-200x, Recommended Basic Conditions for Measuring the Photometric Output of Stage and Studio Luminaries by Measuring Illumination Levels Produced on a Planar Surface, is new standards-drafting project intended to help manufacturers collect the data that is required to be reported in ANSI E1.9 - 2001, Reporting Photometric Performance Data for Luminaires Used in Entertainment Lighting. The adoption of that standard has been slowed by the lack of rules for the basic test conditions for

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