The Olympus XA is a compact 35mm rangefinder camera that was introduced by Olympus in 1979. It is renowned for its small size and excellent image quality. The camera features a fixed 35mm f/2.8 lens and a rangefinder focusing system, which allows for precise focusing. It also has automatic exposure control, with a shutter speed range of 10 seconds to 1/500th of a second. The XA has a unique clamshell design, which protects the lens and controls when not in use, making it incredibly portable and easy to carry. It is a popular choice among street photographers and travel enthusiasts due to its compactness and high-quality images.