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MF lenses prone to elements separation?
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PostPosted: Sat Jan 24, 2015 9:55 am    Post subject: MF lenses prone to elements separation? Reply with quote
Which are lenses often prone to elements separation?

I know about Pentax M 100/4 macro that it is prone to separation of elements.

Are there other known lenses for this?


PostPosted: Sat Jan 24, 2015 10:14 am    Post subject: Reply with quote
Zeiss west lenses, especially those for the Contaflex seem prone to separation. I've seen plenty of pro-tessar lenses with severe separation.


PostPosted: Sat Jan 24, 2015 10:37 am    Post subject: Reply with quote
Many good old W.Germany lenses from Zeiss, Rodenstock and Voigtländer are prone to separation.


PostPosted: Sat Jan 24, 2015 11:53 am    Post subject: Reply with quote
Most Voigtlander septon I have handled have separation. Also some Mamiya RB67 lenses.


PostPosted: Sat Jan 24, 2015 11:59 am    Post subject: Reply with quote
My Canon FL 100/3.5 has the start of separation,but I do not know if it's common in this lens.My 1938 Hektor 135/4.5 has it as well...I still love them and use them.


PostPosted: Sat Jan 24, 2015 12:12 pm    Post subject: Reply with quote
Separation is not common, however Rodenstock lenses of the 50s, 60s and 70s sufferedfrom it much more often. The add-on lenses for Zeiss Ikon SLRs were made by Rodenstock, hence they are known for separation.
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