Archived posting to the Leica Users Group, 1999/01/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I've just got a 50mm f2 collapsible Summicron (#1167850) that is in nice shape except for a bunch of very fine cleaning marks on the front coating. Will these make a significant difference in its performance? Terry