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 unknown 100mm f2 lens
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Luiz Paracampo
Luiz Paracampo

Brazil
1981 Posts
My Collection

Posted - Mar 13 2018 :  3:19:29 PM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
Unknown 100mm f2 lens on Kristall
http://bar90cameras.ru/kristall-1962-g-62000452

http://www.ussrphoto.com/UserContent/1332018_Kristall 100.png

Luiz Paracampo
Luiz Paracampo
Brazil
1981 Posts
My Collection

Posted - Mar 13 2018 :  3:37:33 PM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
could that be a Cyclop Helios T3 ?
https://produto.mercadolivre.com.br/MLB-935678489-lente-russia-cyclop-helios-t3-2-f2-100mm-m42-canon-_JM
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Luiz Paracampo
Luiz Paracampo
Brazil
1981 Posts
My Collection

Posted - Mar 13 2018 :  3:42:21 PM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
or a J48?
https://imged.com/super-rare-russian-soviet-cinema-lens-gomz-g-48-48-100mm-f2-0-lomo-oks-arri-pl-3488400.html
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Pierre Tizien
Moxies
France
183 Posts
My Collection

Posted - Mar 13 2018 :  4:11:02 PM  Show Profile  Visit Moxies's Homepage  Reply with Quote
It's a J-48 or J-25 100/2, quite rare (and expensive!!) cine lens before OKS era. Those lenses were made by GOMZ, and give great image quality.
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Luiz Paracampo
Luiz Paracampo
Brazil
1981 Posts
My Collection

Posted - Mar 13 2018 :  5:46:23 PM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
but has no diaphragm at all!
Regards LP
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xalmaz
Russia
36 Posts
My Collection

Posted - Mar 13 2018 :  11:25:38 PM  Show Profile  Visit xalmaz's Homepage  Reply with Quote
If no diaphragm, it's a cine-projection lens, can be J-48,J-25, and any other projection lens. Hand-made adopted on M39/M42. Now many OKS adopted on M42 presented on market, not cheap.

http://xalmaz.narod.ru
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Pierre Tizien
Moxies
France
183 Posts
My Collection

Posted - Mar 18 2018 :  2:40:24 PM  Show Profile  Visit Moxies's Homepage  Reply with Quote
Why do you think there isn't any diaphragme? On the photos, it looks like there are two rings.
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Luiz Paracampo
Luiz Paracampo
Brazil
1981 Posts
My Collection

Posted - Mar 19 2018 :  1:28:40 PM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
http://lens-club.ru/lenses/item/c_7739.html
this one j-48 has diapragem
Regards
LP
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