ISCO GÖTTINGENlensWESTROMAT 1.9/50M42screw mount / thread mount Details:- ISCO-GÖTTINGEN lens WESTROMAT 50mm f/1.9- Serial no.: 6304787- has an A/M switch for automatic- and manual aperture- minimum focus distance: 0.5m/1.7ft- has a Ø 49mm (M49) filter thread- comes with front & rear lens capThe lens will fit all M42 screw mount cameras and almost every other cameras (also DSLR) with an optional adapter.This is an old lens and i...t has experienced some use during the last decades. The offered lens is in excellent condition and it`s full working. The body shows some normal signs of use. The aperture works, the blades are dry. The focussing is smooth, the coated glass is free from fungus, it just have 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...