Archived posting to the Leica Users Group, 1997/07/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Beamon wrote in response: > >Modern designs, using the calculating advantages of the computer, >production techniques allowing less expensive aspheric elements and the >latest coating formulations and application methods do allow a lens with >more elements in more groups to have similar or better results in the >criteria that we feel is important. > >What boggles my mind is how good the lenses were when these means were not >available. I love technology, but boy, back in the good old days. . . >-- >Roger Beamon > Naturalist & Photographer > Leica Historical Society Of America > mailto:beamon@primenet.com > > Thought for the day: > Who needs rhetorical questions? > - ------------ REPLY -------- Yes, modern computer-aided designs (and better optical glass) does permit better lens at the maximum apertures, e.g., the 50mm Summilux F:1.4 vs. the Summarit and the manufacture of the f:1.4 and f:2 35mm lens, but the 90mm Summicron f:2 is no better than the Elmar f:4 or f:2.8 at f:4 or f:5.6. Thanks for your comments. Alan Bearden