Hellos - '3' Qs if I may..
1. Im having difficulty finding the flange thread size of the standard Graflex RB 4x5 lens [the 192mm]. My best guess is 57mm ??
2. I was digging in my cabinet and found an old lens I forgot about. cant remember where I got it.. The lens says DOGMAR 1:4,5 F=168mm D.R.P. C.P.GOERZ BERLIN. It covers 4x5, and may cover 5x7. Anyone else know this lens?
3. The actual thread size of the BETAX no.4 shutter? The thread measures 57.11mm but it will not fit 58mm.. [57.5? 57?]
thanks! regards, dw
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