Understanding Lumen, Lux, Candela and Light color (White, Red

On the packaging of flashlights and torches to be used as headlamps, terms such as lux, candela and lumen are often mentioned in the description. But what exactly do they mean? And why don’t watts…

LEDshift == luminous flux (lm, Lumen) ,light-current, lm, lumens, lm/W, lumen/Watt ==

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Understanding Lumen, Lux, Candela and Light color (White, Red

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