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definition of: BEAM ANGLE

What is BEAM ANGLE?

The angle between the two directions for which the intensity (candlepower) is 50 percent of the maximum intensity as measured in a plane through the nominal beam center line.

reference for this page: BEAM ANGLE

references to this page: /FL, /NFL, /NSP, /SP, /VNSP, /VWFL, /WFL, /WSP, FLOODLIGHT, SPOTLIGHT