Archived posting to the Leica Users Group, 1999/11/03

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Subject: [Leica] DR Summicron not as good?
From: "Anderson, Ferrel E" <AndersonF@ria.army.mil>
Date: Wed, 3 Nov 1999 14:11:18 -0600 
If Leica made any optical unit selection, it was probably based on focal length
considerations rather than other optical performance such as resolution and
contrast.  The focal length of the goggle and the lens would have to be
optimized within the focal length tolerances of both the lens and the goggle
device.  This is my guess.  

Ferrel Anderson