Archived posting to the Leica Users Group, 1999/01/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]WILLIAM CALDWELL wrote: > > SNIP -- > > Mark Rabiner wrote: > > I hope you've got an asbestos spacesuit with a thick fireproof glass > > visor because if you are insinuating the existence of plastic elements > > in Leica M or otherwise glass you can say goody to your eyebrows. > > SNIP -- > > Mark, > > Hopefully I misread your post. It is fairly common knowledge that the > 35mm f/1.4 Aspherical Summilux-M has two ashperically ground glass > element surfaces, and the later 35mm f/1.4 ASPH-M has a single aspheric > surface of pressed plastic bonded onto one of the glass elements. It is > one of the prime reasons that the earlier Aspherical is a collector (and > that approximately only 2000 were made). > > See, the "Viewfinder," Vol. 30, No. 1 (1997)at pages 14-15. I am a user > and owner of the later f/1.4 ASPH-M with the bonded plastic element. It > is great! (And I am pulling on my asbestos suit.) > > Best regards and good light tomorrow, > > Bill Caldwell I've read much info and Large books cover to cover about leica lenses and lenses in general and I was under the impression that plastic was in a different category optically than glass but I missed this one. I thought saying there is plastic elements in a leica would be a huge insult but I apparently put my foot in it. My apologies for another one. I was out of school that day with the flu, whew. Mark RAbiner