Archived posting to the Leica Users Group, 2001/12/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]If they would make a Noct ASPH would it elimate the vignetting around the edges? I don't mind this effect but if I could live with out it ... mike - --- "John R. Fulton Jr." <JRFjr@compuserve.com> wrote: > Simon-- > That's an interesting question that you asked in > August. Did you ever > get an answer?? > John Fulton > Fort Worth > > > > >I have a speculation question for the optical > design gurus on the list, > >or those well connected. Erwin comes to mind in > particular. I was > >reading Dick Gilcreast's piece on the Noctilux on > the LHSA Viewfinder > >site and if I understood correctly, he wrote that > the vignetting of the > >Noctilux is a compromise made necessary by the > decision not to use > >aspheric elements as with the first f1.2 version. I > understand how > >complicated that had been and it made sense in > 1976, but I'm wondering > >if that's still the case. Leica has been updating a > number of its > >designs with molded aspherics, so is it possible or > likely we will see a > >Noctilux ASPH 50mm f1 any time soon? > > > >I realise the current one is amazing, but so were > most of the pre-ASPH > >lenses and that didn't stop Leica from realizing > incremental > >improvements when the new technology became > available. > > > >TIA > > > >Simon Stevens > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html __________________________________________________ Do You Yahoo!? Check out Yahoo! Shopping and Yahoo! Auctions for all of your unique holiday gifts! Buy at http://shopping.yahoo.com or bid at http://auctions.yahoo.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html