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Re: Don Lopp's viewer

  • From: P3D John Bercovitz <bercov@xxxxxxxxxxx>
  • Subject: Re: Don Lopp's viewer
  • Date: Mon, 28 Jul 97 09:06:48 PDT
Greg E. writes:

>   Tell us more about this please.

I think Mike Watters is the one to tell us more.  
I saw the viewer only briefly.

>   Sounds like he built this to work with a camera
> with 47 mm lens(es). What kind of viewer lenses did
> he have (achromats? diameter?)

The viewer lenses were very large achromats.  I didn't 
know any lens could work that well with such a short 
focal length and so much coverage.  Must be magic.

John B


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