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| Graphex lens | |
| Author | Message |
|---|---|
| grenadier2002 Joined: 10 May 2015 Posts: 7 |  Posted: Mon Jun 22, 2020 10:50 pm Post subject: Graphex lensI have a beautiful Graphex Wollensak 135 4.7 lens. The problem it is missing the retaining nut to hold it to the lens board. Any ideas where I may find one? Thanks! Lee |
| 45PSS Joined: 28 Sep 2001 Posts: 4081 | Posted: Tue Jun 23, 2020 3:21 am The 135mm f4.7 Optar/Raptar mounted in a #2 Graphex/Rapax shutter takes the same retainer ring as a Betax #2 shutter. 1.325 x 40tpi (threads per inch). http://skgrimes.com/products/mounting-flanges/u-s-a-stock-flanges or search the action site for a retaining ring or mount flange with that dimension and thread pitch. |
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