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Keystone 46B Visual Survey Telebinocular Message-ID: <2.2.32.19960811184205.0067fb98@xxxxxxxxxxxxxxxxx>

  • From: P3D Edward I. Comer <comer.ed@xxxxxxxxxxx> To: photo-3d@xxxxxxxxxxxxxxx
  • Subject: Keystone 46B Visual Survey Telebinocular Message-ID: <2.2.32.19960811184205.0067fb98@xxxxxxxxxxxxxxxxx>
  • Date: Sun, 11 Aug 1996 14:42:05 -0400
Dr. George A. Themelis wrote:
>...curious enough to open and take apart the lenses in my >Keystone 46B Visual Survey Telebinocular.... Unlike every other stereoscope that
>I have seen, this one has no chromatic aberration and delivers pin-sharp images.
>A couple of lucky owners of this rather rare sterescope agreed that >this is the best they have.

I have a viewer that, I think, is what you are describing, but it isn't marked as a model 46B. It does, however, deliver pin-sharp images and is the best scope that I've ever seen. I is marked as a Keystone DVS Telebinocular, patent 2,557,608. It is a tan colored tabletop viewer. The heavy base sits on the table and you move the telescoping head to a comfortable viewing height. It has an electric light that provides even illumination. It was apparently designed for eye tests (eye test views came with it) and has a Forest Service property stamp on the bottom. Is this the same as the 46B model mentioned?


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