The Olympus OM-20 is a compact 35 mm SLR film camera that will delight photographers with its advanced features and versatility. This Olympus film camera is compatible with the Olympus OM mount lenses. The fixed pentaprism viewfinder on this 35 mm SLR film camera is very bright and offers a 93 percent coverage. The auto-exposure functionality in this Olympus film camera allows you to shoot photos under varying light conditions. With its built-in light meter, the Olympus OM-20 makes it easy to determine the correct exposure for a photograph.