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Uploaded on Jul 3, 2011
This is a video showing a holographic starfield projector actually in use on the 1000mW 447nm Waterproof Adjust Focus Blue Laser Pen. The starfield projector from the Dapper Stage Laser Light Show properly fits & screws into the laser aperture -- which does indeed have a female threaded receptacle that this starfield projector fits. The patterns change as I slowly rotate the starfield optic clockwise (as though tightening it) -- it is actually designed to be used in this manner.
That music you hear is the song "The Voice of Energy" by Kraftwerk. This laser is not sound-sensitive; the audio may be ignored or even muted if it pisses you off.