Archived posting to the Leica Users Group, 2003/03/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The early Elmars like yours have four elements in three groups. The rear "element"/group is a cemented pair. The 11730 (LTM)/11830(M) 90/4 produced from 1964 to 1968 had only three elements. John Collier On Monday, March 17, 2003, at 08:35 AM, Karen Nakamura wrote: > p.s. I'm a bit confused about the construction of the lens. The > manuals I've read said that the lens should be 4 elements in 3 groups, > but I only can count 3 elements. Am I missing an element somewhere? > Someone help me: was there ever an Elmar in 3/3 form? - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html