Archived posting to the Leica Users Group, 2002/07/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You can see the two major Sonnar designs, the 50/1.5 and the 85/2 at http://www.dantestella.com/technical/nikoleic.html As for the others, The 90/2.8 G and 90/2.8 M-Hexanon are Ernostar-type lenses, which are an earlier form of telephoto Sonnar. The Contax T and Rollei 35S are five-element Sonnars derived (I believe) from the older 50/2 Sonnar. These last two have a lot less in common with historic design. Dante on 7/24/02 5:08 AM, D Khong at dkhong@pacific.net.sg wrote: > > > Friends > > Do all sonnar lenses (like in Rollei 35S, Contax T, Contax G 90/2.8, etc) > have the same optical formula? > > Dan K. > > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - ------------ Dante Stella http://www.dantestella.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html