Archived posting to the Leica Users Group, 1998/03/26

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Subject: Re: [Leica] 90/2 ASPH for the M?
From: TEAShea <TEAShea@aol.com>
Date: Thu, 26 Mar 1998 18:04:27 EST
 
<<  Is ASPH really helpful
 >in telephoto lenses? 
 <Canon seems to think so, I believe. Don't some of their zooms have ASPH? In
 fact, the new Leica 35-70 f/4 does. >>

Canon does not have any telephoto lenses with aspherical elements except the
135 2.8 soft focus.  Many of its L series telephoto lenses have speical low
dispersion glass but no aspherical elements.

Tom Shea