Focusing Prism & Magnifier for use with Auricon Cine-Voice Camera models CM-72, CM-72A, Pro-600 Model CM-75, and Pro-600 Special Model CM-77.
 
Provides critical Ground-Glass full-frame focusing and shows enlarged film image of picture in camera gate, for the lining-up and focusing the TV picture tube image in the camera gate frame. It is also useful for shooting titles and photomicrography.