VEB CARL ZEISS JENA2x tele converterM42screw mount / thread mount Details:- Extreme rare CARL ZEISS JENA 2x tele converter- it doubles the focal lenght of the lens- will fit all M42 mount lenses- comes with front & rear lens capThe convreter will fit all M42 screw mount cameras and almost every other cameras (also DSLR) with an optional adapter.This is an old item and it has experienced some use during the last decades. The offered converter is i...n excellent condition and it`s full working. The body shows some normal signs of use. No fungus. The lens has the usual amount of tiny dust particles between the elements which won't affect anything.If you want lenses, just to inspect them under the microscope or under strong light to search signs of use and age, please pass my offer and do not even consider buying here! Thank you for accepting!Shipping to almost every destination in the world will takes approx. 14-30 days, some times it can takes a little bit longer due to customs processing, bad weather, holidays, walkouts, etc...