Originally Posted by Voe 
We have threads/clubs for lenses like M, K, Zeiss so I was thinking why not have a special thread for old Soviet and new Russian lenses?
In this posting I would like to start with a close to 50 years old lens based on Carl Zeiss Flektogon optical diagram. Mir-1 is a 37mm f/2.8 lens and was designed to better the Zeiss Flektogon which according Wikipedia the first element in this lens was a disperser meniscus to reduce vignette effects when photographing with an open diaphragm. Obviously the lens was a big success as it won the Grand Prix award at the 1958 Expo in Brussels, which should have been very odd for a communist country to receive considering the Cold War.
I acquired this lens from eBay for $20USD which is about 10 times cheaper than what you would pay for a second hand Zeiss Flektogon 35mm f/2.8.
As you can see the lens has seen a lot of use, but the glass is in mint condition.
Out of curiosity, what is the mount. It doesn't quite look like M-42.
Steve