Archived posting to the Leica Users Group, 1995/02/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]My question, which deviates from the original one: Is the DR Summicron a different design which may optimize the near field, or the same optics as the rigid only with a different helical cam to extend the close focus range? g.huang gang@mtdcr.att.com