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750. 700 nm. 0. 5.2.3.

1 0.0006452. nit to lumen per square foot (lm/ft²). 0.0929. Keep in mind that illuminance is different from lumen output (e.g. 800 lumens) or incandescent wattage equivalent (e.g.

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50 lux to footcandles = 4.64515 footcandles. 100 lux to footcandles = 9.2903 footcandles. 200 lux to footcandles = 18.58061 footcandles Formula of converting lux to footcandles.

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Thus a foot-candle is equivalent to approximately 10 lux or 10.57 lux. A higher number of lumens are indicative of a brighter, more intense light, whereas a lower number of lumens represent dimmer, more subdued lighting. 2 How to measure a lumen? Lux to candela calculation Lux to candela calculation with distance in feet. The luminous intensity I v in candela (cd) is equal to 0.09290304 times the illuminance E v in lux (lx), times the square distance from the light source d 2 in square feet (ft 2): I v(cd) = 0.09290304 × E v(lx) × (d (ft)) 2 Lux to candela calculation with distance in A measure of radiant light from a standard candle that falls on one square foot of surface area at a distance of one foot. LUX: A measure of radiant light from a standard candle that falls on one square meter of surface area one meter from the source. Micromol: One micromol per square meter per second (umol.m.2 s 1).

1.3 ft.
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Ev (fc) = Ev (lx) x 0.09290304 = Ev (lx) / 10.76391.

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50 lux to footcandles = 4.64515 footcandles. 100 lux to footcandles = 9.2903 footcandles. 200 lux to footcandles = 18.58061 footcandles Formula of converting lux to footcandles.