spread lens

spread lens

A lens at the front of a directional luminaire or floodlight used to spread a relatively narrow beam; may be part of the luminaire or an auxiliary element.
References in periodicals archive ?
Low voltage 50W narrow angle and spread lens spotlights are concealed within the new lantern and column brackets that illuminate various decorative features to the central facade.
The coves also house a different 2,700K luminaire with a horizontal spread lens that directs warm white light onto the center of the barrel-vaulted ceiling, evenly lighting the sky-blue paint and gilded decorative trim on the ceiling.