Archived posting to the Leica Users Group, 1996/05/17

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To: leica-users@mejac.palo-alto.ca.us
Subject: Re: Leica Desires
From: Michael Volow <mvolo@acpub.duke.edu>
Date: Fri, 17 May 1996 16:11:02 -0400 (EDT)
Cc: leica-users@mejac.palo-alto.ca.us, zeleny@math.ucla.edu

I am also interested in doing lens tests of Leica lenses. I have 
evaluated several different lens test systems (Modern Photo 1968 USAF, 
Edmund Sci Co, a third proprietary chart [can't remember name]) and the 
Rochester Institute of Technology alphanumeric charts. The RIT system 
seems far and away the best to me, since the give you a ruler to estimate 
precise reduction ratios (instead of vague lens-target distance) and also 
have low, medium and high contrast targets. Any one else interested?

Michael Volow, M.D. (mvolo@acpub.duke.edu)
Department of Psychiatry, Durham VA Medical Center, Durham, NC
919 286 0411 Ext 6933



Replies: Reply from Tom Hodge <thodge@charweb.org> (Re: Lens tests.)
In reply to: Message from Michael Zeleny <zeleny@math.ucla.edu> (Leica Desires)