Quote Originally Posted by Pere Casals View Post
This is a process lens, it may not be well optimized for infinite focus. I had to be made in the sovietic block, so QC could be less tight than in western germany was. It looks it's not multicoated, it may have "some kind" of coating.

The most interesting thing is the rings it has, that are not intended for LF view cameras. That gearing suggests it was not a taking lens at all.
Papa, investigate before posting. See Arne Croell's article on post-WW II CZJ lenses and his lens tests. The list has links to both.