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P3D Re: Enlarging Power Of Stereo Viewers

  • From: "Greg Wageman" <gjw@xxxxxxxxxx>
  • Subject: P3D Re: Enlarging Power Of Stereo Viewers
  • Date: Sat, 25 Sep 1999 16:07:52 -0600

From: Mark Shields <beamsplitter@xxxxxxxx>


>Does anyone know the focal length of the lenses in the
>Pentax beamsplitter viewer?


I don't know, but you can determine it approximately by measuring the
length of the optical path to the slide from the center of one lens.
For slide viewers, the slide is placed at a distance equal to the focal
length of the lens.

     -Greg W. (gjw@xxxxxxxxxx)