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Re: Dennis's wide angle optics

  • From: John Bercovitz <bercov@xxxxxxxxxxx>
  • Subject: Re: Dennis's wide angle optics
  • Date: Tue, 4 May 1999 09:23:15 -0700 (PDT)
Nothing like coming into a conversation late and uninformed! 8-)
(But I won't let that stop me.)

> There are two doublets with an air space between them.

Does this exacerbate the distortion problem?  When I've put
two doublets together, strong curvatures towards each other,
I've gotten increased distortion.  Distortion seems to be
almost a given with this sort of optics if the focal lengths
are short.

John B