Historical
ANSI E1.25 - 2006
Entertainment Technology - Recommended Basic Conditions for Measuring the Photometric Output of Stage and Studio Luminaires by Measuring Illumination Levels Produced on a Planar Surface
ANSI E1.25 - 2006, Recommended Basic Conditions for Measuring the Photometric Output of Stage and Studio Luminaires by Measuring Illumination Levels Produced on a Planar Surface, describes the basic conditions--temperature, power supply voltage, et cetera--for any method of measuring the output of a stage and studio luminaire that involves shining the light at a wall and measuring the illumination levels produced.
Entertainment Services and Technology Association [esta]
