From Photo-3d

Image Splitter

(Much of this material taken from an article by David Starkman in Reel 3D News, Volume 1, No. 3)

This system involves a system of mirrors or prisms which fit in front of the normal lens of an SLR, and “split” the film into a left and right version. A model using mirrors operates like this:

A similar arrangement is built into a viewer used to view either the slides or prints produced. (The images may also be free-viewed, cross-eyed method). Equipment currently available new using this principle includes the Ukrainian-made SFK-1 beamsplitter, the Franka beamsplitter, a 35mm attachment made by Pentax, and the Loreo camera.