4,5/250 and 300 carl Zeiss Jena Tessars

[hiend61]

Can any of you tell me the flange mount measures of these two lenses in barrel?, serial numbers from 1000000. And filter ring measures?. Thanks in advance.

[Dan Fromm]

http://www.arnecroell.com/publications Look and you should find.

[Arne Croell]

The filter sizes are M77x0.75 and M95x1, respectively (see http://www.arnecroell.com/czj.pdf, table2a). I won't be able to measure the flange threads on mine until late October, though, so hopefully somebody else can jump in.

[Arne Croell]

Addendum: the 300mm has an "N88" mount, where the number is the diameter of the cylindrical part. The thread is slightly smaller, so it could be something like M85 or M86.

[hiend61]

Thanks gentlemen both Arne and Dan.