Archived posting to the Leica Users Group, 1999/03/10

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Subject: Re: [Leica] lenses
From: TEAShea@aol.com
Date: Wed, 10 Mar 1999 09:25:46 EST
 
<< The laws of Optics mention that maximum
 sharpness is achieved by shooting at two stops below maximum aperture. >>

Not always.  There are some lenses where this is not true.  This is not a law
of optics.  It is often the result of the design of lenses, which involve a
variety of compromises.  


Tom Shea