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Re: [photo-3d] re: better viewers

  • From: "Don Lopp" <dlopp@xxxxxxxxxxxxxxx>
  • Subject: Re: [photo-3d] re: better viewers
  • Date: Fri, 30 Mar 2001 22:19:47 -0800
your 3 140 achromat lens would give you a focal length of about 45mm DON
----- Original Message -----
From: "Michael Galazin" <rexlion22@xxxxxxxxxxxxx>
> For example, I can get a half dozen 38mm diameter achromats with
> 140mm focal length; would three together give you half of half of
> 140, i.e., 35mm FL?



 

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