Archived posting to the Leica Users Group, 2001/07/31
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The 40/2 Summicron-C uses 39 x 0.75 filter thread. John Collier > From: Marc James Small <msmall@roanoke.infi.net> > > At 08:32 PM 7/30/01 -0700, Henning Wulff wrote: >> There is only one diameter for 39mm filters, but there are two >> pitches; 0.5 and 0.75mm/turn. > > Well, yes, but I believe 0.5mm is the one both Leitz/Leica uses and the one > in which the commonly made E39 filters (B+W, Heliopan, Harrison & Harrison) > are made. I suspect 39mm by 0.75mm would be a special-order item. >