Originally Posted by
Ron (Netherlands)
Recently I got the C.P. Goerz Extra Rapid Lynkeioskop Serie C. no1 albeit without a flange.
From what I have measured the thread pitch is M0.7 or TPI 36. Further the diameter of the screwmount on the barrel is 37,92mm. So I guess a flange with a diameter of about 37,30mm might fit, but not sure of course. Before buying some of these flanges I would like to have a more specific measurement so if there are fellowmembers that might have this same lens, I would be most grateful if they could provide a measurement of the diameter of their flange.
thanks
Ron
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