Selectable aperture module.

摘要

A lighting system aperture mechanism (40) formed by a movable carriage including a frame (42) with openings (141) for aperture means (142 through 146). The frame (42) is moved to position a selected opening (141) around a beam of light, and an aperture means (142 through 146) disposed in the selected opening (141) may be rotated as desired to produce special effect pattern in the beam of light.