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unknown 100mm f2 lens

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Printed on: 5/7/2026 3:52:16 PM


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Topic author: Luiz Paracampo

Posted on: 20180313151929

Unknown 100mm f2 lens on Kristall
http://bar90cameras.ru/kristall-1962-g-62000452

http://www.ussrphoto.com/resize/resize_image.aspx?ImgWd=800&IptFl=/UserContent/1332018_Kristall 100.png


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

Replies

Reply author: Luiz Paracampo

Replied on: 20180313153733

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

Reply author: Luiz Paracampo

Replied on: 20180313154221

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

Reply author: Moxies

Replied on: 20180313161102

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.

Reply author: Luiz Paracampo

Replied on: 20180313174623

but has no diaphragm at all!
Regards LP

Reply author: xalmaz

Replied on: 20180313232538

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

Reply author: Moxies

Replied on: 20180318144024

Why do you think there isn't any diaphragme? On the photos, it looks like there are two rings.

Reply author: Luiz Paracampo

Replied on: 20180319132840

http://lens-club.ru/lenses/item/c_7739.html
this one j-48 has diapragem
Regards
LP