Archived posting to the Leica Users Group, 2001/08/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Do they have the same optic formula ? I do like the M version but don't like to go over 50 mm with M system. I've never used a 90 R Summicron and would like to do it but only if the formula is exactly the same... you know. Thanks in advance for comments... Pablo