Manual focus 35mm rangefinder camera released by Yashica in 1973. It has aperture priority exposure with automatic shutter speeds. The rangefinder is coupled to the focusing ring and the viewfinder is parallax corrected. The GSN model added a hot shoe while retaining the PC flash sync port. It uses a PX32 5.6v mercury battery but modern alkaline batteries can be adapted. Metal body available in satin chrome finish.