Archived posting to the Leica Users Group, 1995/02/24

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To: leica-users@mejac.palo-alto.ca.us
Subject: Re: More on Summicrons
From: gang@mtdcr.mt.att.com
Date: Fri, 24 Feb 95 16:34:53 EST
 
My question, which deviates from the original one:
Is the DR Summicron a different design which may optimize the near
field, or the same optics as the rigid only with a different helical cam
to extend the close focus range?


g.huang
gang@mtdcr.att.com