Provided in a water-clear cylindrical T1-3/4 leaded package, daylight-visible LEDs have a concave lens for more even light emission. Offering a viewing angle of 110°, the LEDs are available in green, ...
A plano concave lens is an optical lens with one concave surface and one flat surface. It has a negative focal length, and can be used for light projection, beam expansion, or to increase focal length ...
A plano-concave cylindrical lens is used to expand light in on axis. A negative cylindrical lens is able to diverge collimated input light away from a line. Plano-concave cylindrical lenses are used ...
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