title: Split-frame stereoscopy. A new projection system.
abstract: The viewing of projected stereo-slides can be achieved by either prismatic or polarized modalities. Two new projection lenses were designed for polarized split-frame stereoscopy. These lenses fit any of the commonly available (35 mm) projectors.
mesh_terms: D019721:Ophthalmoscopes; D010781:Photography / Q000295:instrumentation*