Optika Professional Single Lens Reflex Camera Manual
User manual for the Optika Professional single lens reflex camera manufactured by Aetna Optix Inc. Covers nomenclature, features, and complete operating instructions. Includes detailed sections on roll film holders (3 models for different negative sizes), dry plates, cut film, and film packs. Describes shutter speed settings, lens aperture controls, focusing methods, and flash photography. Features information on interchangeable lenses (105mm standard through 400mm telephoto) and accessories. Provides depth-of-field tables and instructions for film loading and camera operation.
