Archived posting to the Leica Users Group, 1998/06/04

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Subject: Re: Was: [Leica] Noctilux Now: Summilux
Date: Thu, 4 Jun 1998 18:07:26 EDT

<< the 50 1.4 has a reputation (based upon the various published
 >test reports) as being soft at 1.4 and 2.0.  I note, however that the
 >note that it is very good at the smaller apertures.  
 I am curious as to the source for this allegation.  The 1.4/50 Summilux-M
 is a wonderful lens and is quite satisfactory wide-open.  Other lenses MAY
 exceed its performance on any given optical parameter, but I don't believe
 any other lens of like specification is as satisfactory across the board, >>

Marc, on the Internet there are several sources of test reports by various
sources.  One is PhotoZone, which contains a summary of some of the test
reports.  There have also been two reported summaries of tests of 50 mm lenses
in the past couple of years on the net.  There was also a post on this forum
during the last couple of weeks about a test of the new R 1.4 being better
than the old 1.4.   

While I am sure the present M 50 1.4 is satisfactory to many users, I am
interested in a sharper lens at 1.4 and 2.0, as well as the smaller apertures.

Tom Shea