FED is a Soviet rangefinder camera that was mass-produced from 1934 to around 1996 and is also the name of the factory that manufactured it. Starting from 1955, FED began to innovate by combining rangefinders with the viewfinder of FED 2 and all subsequent products. FED-3 added a slow shutter speed, and in later versions of FED-3 (b), the feed was changed from a finger wheel to a lever. FED 4 (1964-77) added a non coupled selenium exposure meter. The initial FED-5 had an exposure meter, but later cheaper versions of FED-5B removed the exposure meter.

The FED3 camera is a classic camera from the Soviet era, produced by the famous Soviet camera manufacturer FED (Seius, Ukraine). It is the third generation product of the FED camera series, which was introduced in the early 1950s. Although the manufacturing process and materials of FED3 cameras are relatively simple, their reliability and durability are highly praised. It was widely used in fields such as documentary photography, street photography, and travel photography, becoming one of the preferred cameras for photographers during the Soviet era. It represents a part of the history of the Soviet photography industry and is also a classic beloved by photography enthusiasts and collectors.