Illustrated Duotone Product Catalog 3 1/2 in. by 9 in. Includes Betamax, U-Matic, 1/2 in. Reel to Reel, Systems, System Diagrams, Cameras, Monitors and Receivers, Video Projection Systems, System Accesories, Camera Accesories, Lenses, VTR Accesories, Monitor Accesories, Video Projection Accesories, AC Adaptors and Batteries, Video Tape, Tape Accesories, Cables, Microphones and Accesories, Regional Offices.