Archived posting to the Leica Users Group, 1997/04/01

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Subject: Re: 35mm M lens comparison
From: Dan Cardish <dcardish@microtec.net>
Date: Tue, 01 Apr 1997 22:09:39 -0500
 
At 06:14 PM 01-04-97 +0000, you wrote:
>          I would like to obtain information with respect to contrast and 
>resolution of the latest 35mm aspheric Leica M lens.In particular, the f stops
>of interest are between f4 and f8; I am not a low light photographer.As a 
>current user of an f2 35mm Summicron(version 3 with 6 elements made in Canada 
>circa 1978) and of an f1.4 35mm Summilux what benefit would the aspheric 
>provide if I were to replace the older lenses?
>           Any information by the LUGgers is welcome,including specific 
>reference to the LUG archives.
>                           Thank you, 
>                           
>                           Andrew S. Jordan
>
>                           Clark,NJ                                           
>
I own the first version aspherical 35mm and the normal 35 summilux.  For the
f-stops between f4 and f8 (and beyond) I can find no difference in
performance between the two lenses.  I would doubt very much if that the
latest (second) version aspherical would be any different.

Dan C.