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Re: Matching lenses - distortion

  • From: John Bercovitz <bercov@xxxxxxxxxxx>
  • Subject: Re: Matching lenses - distortion
  • Date: Thu, 20 Aug 1998 12:07:31 -0800
I drew and have just started using 4 concentric circles 
(yes, of different diameters 8-) for a test chart.  This
should give me focal length match and distortion in one 
swell foop.  I'll let y'all know how it comes out.

John B