Archived posting to the Leica Users Group, 1997/08/03

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Subject: Re: 50 DR Continued
From: Marc James Small <msmall@roanoke.infi.net>
Date: Mon, 04 Aug 1997 01:16:06 -0400
 
We keep going over the same turf here.  The COLLAPSIBLE Summicron has a
different optical formula from the RIGID and DR Summicron.  The latter two
share the identical optical formulation.  The collapsible is a bit shorter
and is covered by a different patent.

Marc


Marc James Small
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