Archived posting to the Leica Users Group, 2002/04/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I did not have the schematic of he design.. a cemented doublet has ZERO air surfaces ( other than the incoming and outgoing) and is just that much better at keeping contrast high.... No wonder this lens is considered hot stuff.... Frank Filippone red735i@earthlink.net - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html