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Zeiss Jena lenses with Contax/Yashica native mount?
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PostPosted: Tue Apr 24, 2007 6:08 pm    Post subject: Zeiss Jena lenses with Contax/Yashica native mount? Reply with quote
Are you aware of the existence of Zeiss Jena lenses with Contax/Yashica native mount?
There is a 180mm Sonnar in an Italian shop (paper ad, not ebay), and it would come quite cheap (relatively to the value of the lens), so I would consider for a spare copy or for resale, but it sports a Contax-Yashica mount. Now this makes me very suspicious, because I never heard of Zeiss Jena lenses natively built with Western Zeiss mount.
My suspicion is that they might have customized a Pentacon lens, or, even worse, an M42 lens, and applied the C/Y mount after removing the original mount. For my experience, I fear terribly these kind of customizations, made by who-knows-whom, because the chances that they may go wrong and damage the lens are much greater than the chances of a perfect work.
If instead the C/Y mount was native, the matter would entirely change, and it could actually be a quite rare piece to own.


PostPosted: Tue Apr 24, 2007 6:18 pm    Post subject: Reply with quote
Hi!

There are plenty of CARL ZEISS OBERKOCHEN lenses with C/Y-mount, and really excellent ones!

So either your right in your suspicion or the paper ad had a misprint and wrote "Jena" although it wasn't Jena...

Carsten


PostPosted: Tue Apr 24, 2007 6:38 pm    Post subject: Reply with quote
LucisPictor wrote:
Hi!
There are plenty of CARL ZEISS OBERKOCHEN lenses with C/Y-mount, and really excellent ones!


Very Happy Carsten, I know them well, I have 9 of them! It's most of them, I don't have only the more expensive, and the zooms (characteristics that usually also coincide)

LucisPictor wrote:

So either your right in your suspicion or the paper ad had a misprint and wrote "Jena" although it wasn't Jena...
Carsten


No no, there was the photo, it was a true CZJ Sonnar 180.
The doubt remains, but given how copyright issues were a problem between the two split zeiss firms, I tend to think more that this was a user customization. :-\
Now, the problem is that the lens is not near, else i would go and try and solve the problem.
Anyway, it's not a big problem, I already have the lens - but it's such a gorgeous piece of glass that is difficult to resist a nice cheap copy.
Smile
These long Sonnars are amongst the very few lenses I own which can be both very sharp and with excellent creamy bokeh. For many other lenses (that I tried, at least) it's usually one feature or the other.


PostPosted: Tue Apr 24, 2007 7:08 pm    Post subject: Reply with quote
Oh, Orio, I constantly forget how huge your lens collection is. Shocked Very Happy

I agree then, it seems to be a "personal adjustment", which might be a unique thing, though - just remember my EOS CZJ 4/135:



There is no hint of a C/Y-mount CZJ in Kadlubek's lens catalogue either.


PostPosted: Tue Apr 24, 2007 7:19 pm    Post subject: Reply with quote
That lens is custom modification I don't think so both factory made same products. If you have a chance to try before buy try it.
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