Archived posting to the Leica Users Group, 2008/12/13

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Subject: [Leica] M8 upgrade - 90 Cron APO focusing problems now
From: amr3 at uwm.edu (Alan Magayne-Roshak)
Date: Sat Dec 13 20:58:40 2008

On Sat, 13 Dec 2008  Leonard Taupier <len-001@verizon.net> wrote:

>...snip...

>I found the most accurate focus was with lenses built in the 50s, 
>like the 50mm Summicrons and even the 1.5   
>Summarit. 
=====================================================
Hmm, maybe now they don't match the exact focal length with a particular
focusing helix like they did in the 1950's.

Alan

Alan Magayne-Roshak, Senior Photographer
UPAA POY 1978
University Information Technology Services
University of Wisconsin-Milwaukee
http://gallery.leica-users.org/v/Alan+Magayne-Roshak/