Footcandle Footcandles measure light quantity as it falls on a surface, illuminating it. One footcandle equals one lumen per square foot. Lux and phots, two other lighting terms, are the metric variation of footcandles, indicating how much light, in lumens, falls on a square meter of surfac...
Foot-candle Foot-candle is the original measurement system for light intensity on a one-square-foot surface from a uniform source of light. In other words, a foot-candle is the light measured one foot away from a candle. Considering thehuman-centric principles of lighting design,...
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