FED-4, vintage Soviet rangefinder camera
medium type (Type B)
35 mm, 8645793, M39 (LTM) mount
"FED" plant, Kharkiv, USSR

Very good condition. Everything works properly except exposure meter. Body has small signs of age. Lens is not included, body only. 

History of the camera
This is a version of "FED-3" camera. Both cameras were produced at Kharkiv Mechanical Plant "FED" (Kharkiv, Ukraine, USSR) simultaneously. The difference is that "FED-4" has a built-in nonenveloping selenium light meter and changed mechanism of film rewind. "FED-4" was produced since 1964 till 1980. Total 633.096 pieces were made. When exported abroad it had name "Revue-4". Camera was changed with "FED-5" family.

Body is metal with removeable rear cover.

Viewfinder had dioptric adjustment (+/- 2 dioptre) and base 41 mm. It has flash synchronisation "X" and self-timer.

Default lens is "Industar-61 L/D", 2.8/55. Of course, all lenses with M39 (LTM) mount fit this lens.
Tripod socket is 3/8".

Shutter has speeds: 1, 1/2, 1/4, 1/8, 1/15, 1/60, 1/125, 1/250, 1/500 and B. Shutter is cloth, curtains move horizontally.

There were two versions of "FED-4": with barrel shutter lead up (early) and cock shutter lead up (late). I offer here late version.

Camera had two types of name on the front (here I offer early variant). 

Characteristics:
S/number - 8645793
Frame size - 24x36.
Shutter speeds - 1-1/500, B
Type of thread - M39x1/28.8
Body - aluminium.
Dimension - 141x95x37 mm
Weight - 648 g