The concise explanation is that the lens that amazed Life photographers was the Nikkor 2/85mm and this lens was _different_ regarding the Sonnar 2/85 or regarding any other Zeiss Sonnar. The Zeiss Sonnar had 7 elements and three rear elements, the Nikkor had 5 elements however three of them thicker very much than the Zeiss Sonnar and it had one rear element only.- Carlos --- El sáb 26-sep-09, Marc James Small <marcsmall@xxxxxxxxxxx> escribió: > > Then please send a concise explanation of how an exact > duplicate can be superior in performance to the original. > > I am not interested in plowing through 87-page copied BS > advertising-hype articles from the era which I have read > years back. You might want to review the standard > works on Nikon and Canon for details. Peter > Kitchingman, incidentally, has finally published his book on > Canon RF. > > Marc > > > msmall@xxxxxxxxxxxx > Cha robh bàs fir gun ghràs fir! > > --- > Rollei List > > - Post to rollei_list@xxxxxxxxxxxxx > > - Subscribe at rollei_list-request@xxxxxxxxxxxxx > with 'subscribe' > in the subject field OR by logging into www.freelists.org > > - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx > with > 'unsubscribe' in the subject field OR by logging into > www.freelists.org > > - Online, searchable archives are available at > //www.freelists.org/archives/rollei_list > > Yahoo! Cocina Encontra las mejores recetas con Yahoo! Cocina. http://ar.mujer.yahoo.com/cocina/ --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list