Lumens, Footcandles, Candlepower, Measuring Light Output

5 months ago, Fri, Aug 4, 2017, 03:22:09
Know about Lumers, lumens distance chart, how to measure lumens, how to convert lumens to candlepower conversion and more details about foot candles vs lumens, Illuminance, Foot-candles and bright shiny beads etc.

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