FED-5B Type Rangefinder camera Manufacturer FED Association Production years 1977 Lens Industar-61 L/D 2.8/53 Lens mount M39×1 screw mount Film 135 film Frame size 24×36 mm Focusing Manual; rangefinder with 43 mm base Exposure Manual shutter speed and aperture setting; Focal-plane shutter; speeds from 1 to 1/500 s and "B" Flash "X" sync contact; sync speed 1/30 s or slower Viewfinder.Optical parallax-type, combined with rangefinder Weight 960 g ************************************************************************************************************************* The camera shutter works perfectly, and the lens is clean. The self-timer is not working; it likely needs lubrication.