Industar-22 M39 Lens to Sony e-mount adapter

Adapter from M39 lens (from old soviet camera or Leica 3) to Sony E-mount.
Tested on SONY NEX-5R.
Works realy nice)))))

!!!! Warning: be caution when use on fullframe Sony, it has slightly different lock mechanism !!!!

https://www.youtube.com/watch?v=2xUY3cJL4Ro&t