[Engadget]

The Movie Mount by Makayama lets you do a bunch of things only a true filmmaker will appreciate: you can attach a tripod to it for those pan & tilt shots, use 37 mm conversion lenses, including wide angle and zoom, add a video light or shotgun microphones, or use an optical viewfinder when shooting in bright sunlight.

Watch the video and see the full story here: http://www.engadget.com/2011/08/31/movie-mount-turns-your-ipad-2-into-a-serious-video-making-machin/