Re: Stuff Within Objectives
From: Michael A. Covington (look_at_ai.uga.edu.for.address)
Date: 10/05/04
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Date: Tue, 5 Oct 2004 10:31:37 -0400
>> Check this site which shows how much difference a scratch really makes
>> for the performance:
>> http://www.microscopy-uk.org.uk/mag/artjun04/pjso.html
A scratch is much worse than an opaque obstruction. Scratches scatter
light. Opaque obstructions (black pieces of trash, etc.) do not.
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