Technical Documents and Resources
Confused about Luminance, Illuminance, cd/ft2, Footlamberts, Footcandles and Lux?
One lumen per square meter is one lux. One lumen per square foot is one foot-candle. Lux is the illuminance equal to one lumen per square meter...
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Kodak. Photometric Units White paper on Luminance and Illuminance ..The frequency chosen is that to which the eye is most sensitive. This frequency is normally referred to as the corresponding wavelength: 555 nanometer" (green)
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