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P3D Re: Stopping down a mirror based lens system

  • From: Eric Goldstein <egoldste@xxxxxx>
  • Subject: P3D Re: Stopping down a mirror based lens system
  • Date: Sat, 14 Mar 1998 17:21:30 -0500
John Ohrt, speaking of CAT lenses, wrote:

> The FOV is consistant with the stated f/ ratio


Help me out here, John... By FOV, do you mean field of view? And if so,
what does field of view have to do with f/ratio or stop?


Eric G.


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End of PHOTO-3D Digest 2630
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