Rear protective cap
for lens "Industar-61"
for 39mm lens back, plastic
"FED" plant, USSR

Perfect condition. Cap has very small, almost invisible signs of age and use.

Lens "Industar-61" is not included and shown as an example of mount.

This rear lens cap was supplied with "Industar-61" lens with M39 mount. Of course, you can use it for any lens with M39X1 mount with any flange focal distance: M39X1/28.8; M39X1/45.2, M39X1/27.7.

Material: plastic
Size (diameter*thickness): 43 mm*10 mm
To fit lens back - 39 mm
Weight - 6 g