I have just acquired a very nice looking Dagor 165 mm, f. 6,8 , seems uncoated, serial number 461822. I suppose it is the same as the 6,5 inch version. It is only the lens cells. I have trouble finding out which shutter it will fit. The threads of the rear and front cells are the same size and look like they are made of aluminium, whereas the rest of the metal is painted black. They fit in the back thread of a Copal no. 1 shutter, that is 36 mm, albeit a little loose. Is this the normal version of this lens, or is it a "special edition" of some kind? What shutter would fit? What is the correct lens spacing (measure front to back)?
Svein Lindberg
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