RARE! Macro lens MC Volna-9 50mm f/2.8 (M42 mount) + Fuj film FX adapter

Interesting feature:
The MC Volna-9 2.8/50 MACRO lens in an inverted position using a reversible adapter can shoot macro with a 1:1 magnification. Also, usually macro lenses have a very low aperture threshold, for example F/22, F/36, F/46, but this lens is limited to F/16 only

Characteristics:
Focal length: 50mm
Optical design: 6 elements in 5 groups
Aperture: F/2.8 to F/16
Number of aperture blades: 6 pieces
Front filter diameter: 52mm
Weight: 340g
MDF: 24 cm
Maximum magnification: 1:2
Manufacturer: Lytkarino Optical Glass Plant, Lytkarino

✅As you can see in the photos -  it's in Very Good Working Condition, ready to go. 
✅Front and rear lenses are clean and clear NO scratches, only maybe a few micro minor cleaning marks, don't visible on naked eye, possibly a few dust particles inside.
✅NO fungus. The diaphragm-control ring turns smoothly and accurate.
✅The focusing turns smoothly and precise.There is a small amount of oil on the aperture blades, but this is a typical situation for these lenses, this does not affect the quality and functionality in any way.
✅ External condition please look photos! minor cleaning marks, don't visible on naked eye,  possibly a few dust particles inside,  NO fungus.  The diaphragm-control ring turns smoothly and accurate.  The focusing turns smoothly and precise.  There is a small amount of oil on the aperture blades, but this is a typical situation for these lenses, this does not affect the quality and functionality in any way. 
✅ External condition please look photos!

📍About delivery
It usually takes about 10-14 days for the package to arrive to Europe, 14-21 days to USA, Canada and Asia, and 21-25 days in Australia. Delivery to Italy unfortunately may take from 14 days to 1,5 month, due to the slow work of the Italian postal service.

📍If you have any questions, please write to me at any time and I will be happy to answer you! And please stay with Ukraine in this difficult time. Your purchase will help our country and its people. Thank you!