TruOpto LPC060CTP 16mm Combined Lens/lightpipe

LED - Light Emitting Diode - a small light source

LENS - An optical element which converges or diverges light

Colour - The categorised spectrum of light visable to humans

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Blend - To mix or combine together substances.

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