Beam angle is a measure of angular width or diameter of the beam of light emitted from products used in architectural lighting, landscape lighting, stage lighting, and other lighting applications. It is known to be an imperfect gauge of perceived beam width.
Beam angle is a measure of angular width or diameter of the beam of light emitted from products used in architectural lighting, landscape lighting, stage lighting, and other lighting applications. It is known to be an imperfect gauge of perceived beam width.
Source: Wikipedia "Beam angle" · CC BY-SA 4.0
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