Archived posting to the Leica Users Group, 1997/12/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]GH, The 2.8/50 Elmar is 2.8, so their designations seem to cross boundries. Steve At 08:44 AM 12/21/97 -0600, you wrote: >At 10:40 PM 20/12/97 -0800, you wrote: >>D Khong wrote: >><snip> >>Dan, I am about to buy(new from a local camera store) a 35/2 ASPH that I >>guess(should it matter to me?) is not a Summicron and I guess is maybe a >>Summilux. I do not know what the differences are. >> > >No need to be confused on this. Unlike most other lenses, Leica lenses are >named according to their maximum aperture, regardless of focal length. > >f/1.4 summilux >f/2.0 summicron >f/2.8 elmarit >f/4 elmar > >There are a few older, discontinued lenses in the line with other >designations. (Other LUG members could complete the above list with these, >I'm sure. ) > >The ASPH designation means that the lens design incorporates one or more >aspherical lens elements. Some of the newer Leica glass uses aspherical >lens elements. (See <http://www.leica-camera.com/home_e.htm> and follow the >links to the M6 or R system lenses.) > >-GH > >