Beam Angle

Also known as beam spread, the beam angle is a value that describes the downward light cone emitted by a lighting fixture with a reflector.

Also known as beam spread, the beam angle is a value that describes the downward light cone emitted by a lighting fixture with a reflector. The beam angle is measured between the downward direction, where the lamp provides maximum lighting intensity, and the direction in which intensity drops to 50%. In other words, a lamp with a large beam angle spread its lighting into a wider cone.

Last modified on December 1, 2019, 8:32 am
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