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Please help to identify mounts
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PostPosted: Fri Apr 15, 2011 3:25 pm    Post subject: Please help to identify mounts Reply with quote
Sonnar 180mm f/2.8

Is it real Exacta Varex?





and this BM 120mm f/2.8 (Biometar?)




Thank you


PostPosted: Fri Apr 15, 2011 3:31 pm    Post subject: Reply with quote
First is Exakta , second is P6 Pentacon six. Both are rare valuable finish even if actual prices not show it.

First one might be just an Exakta-P6 adapter +P6 lens.
Both are first class lens , export version. If you not intended to buy them, perhaps you can help to me to take them.

I strongly suggest to buy them !

http://www.mflenses.com/gallery/v/german/zeiss/sonnar/aus_jena_sonnar_180mm_leatherette/
http://www.mflenses.com/gallery/v/german/zeiss/Carl+Zeiss+Jena+Biometar/biometar_120/


PostPosted: Sat Apr 16, 2011 9:07 pm    Post subject: Reply with quote
Exactly, i didn't realized it has a de-attachable mount. Actualy it is the same mount as biometar (from you i know for sure it is pentacon 6)

Look






I already bought all those lenses, even i didn't know what mounts those were (i only predicted it is P6 for biometar), toghether with already mentioned tessar 45./135 (will not ever try this lens, coz no where to mount)

I can't understand how to check aprture blades, i can't see them anything i push/try

Part where mount seat is rotating



Also have this filter

But don't kow what kind is it Sad

and pressing this button won't trigger aperture blades

(Never had such big lens and anything other than Nikkors)

As for BM,
it has somekind of bubble (or what is it?) http://farm6.static.flickr.com/5105/5621491935_c92054e7fc_b.jpg

Is it ok to buy p6-nikon adapter from ebay or better to buy something 'better' ?

P.S. Don't think i need bm and that tessar or that exakta-p6 adapter


PostPosted: Sat Apr 16, 2011 9:25 pm    Post subject: Reply with quote
Quote:
As for BM,
it has somekind of bubble (or what is it?) http://farm6.static.flickr.com/5105/5621491935_c92054e7fc_b.jpg

Is it ok to buy p6-nikon adapter from ebay or better to buy something 'better' ?

P.S. Don't think i need bm and that tessar or that exakta-p6 adapter


Bubble in glass means from same high quality optical glass than Biotar 75mm lenses. Good sign for top quality lens.

P6-Nikon adapter just fine from Ebay , but attach carefully ,once I did use similar Chinese adapter and it's never come off!!

Buy from Ebay seller cam.plus or roxsen or jinfinance I prefer cam.plus they sell Pixco adapters I did resell many of them to local market all did work great and they are cheap too.

Exakta adapter is designed for this lens, not works with any others. Like not work with your Biometar central part goes deep into lens barel and on shorter lens it has conflict with rare lens.
In case of you I keep this adapter even if don't need right now. Due above conflict you can't sell it just for a few dollars which is not a good business Wink

Let me know in pm how much would you like to have for Biometar, I suggest to keep Biometar until you get your adapter and if you did try it out and still think about to sell it let me know.

Small large format Tessar also not an easy sell piece, put into Marketplace and let we see.

If you rotate aperture to F8 and blades are not close , these means your lens blades are stuck wide open. Cleaning is required.

It was 40-50 yrs in storage without usage , pretty normal.
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