One of my friends, a French collector, received lately some interesting items. He sent them to me. Here are three of them:

http://www.ussrphoto.com/UserContent/17112011_Photos PYC 0 001.jpg
For the Industar 24M, I am a bit surprised. The diaphragm ring seems turning just the reverse than it should. At f22: it's all open. And it is closed at f 3,5...
Probably I don't understand something!
About the two Feds, I will open separate threads.
Amitiés. Jacques.

















