P3D Re: Full frame stereo

[roberts@xxxxxxxxxxxxxxxxx (John W Roberts)]

>Date: Fri, 27 Mar 1998 23:44:42 -0700
>From: "Lawrence A. Haines" <lhaines@xxxxxxxxxxxxxx>
>Subject: P3D Full Frame 35mm stereo slides.

(A great post on full-frame stereo.)

>...I have always felt the need to see further out on each side.
>At one time, a long time ago, I even investigated a stereo panoramic
>system invented by a fellow in Ohio...

That reminds me:

In February, I happened to have a day off in California, so I went and saw
David Lee's great stereo photos, and the Tech Museum in San Jose, and the
Exploratorium in northern San Francisco. I considered all three to be well
worth seeing.

The Exploratorium had a large number of 3D exhibits in it, with descriptions
of how various aspects of stereo vision work. Among other things, there was
an aerial topographic viewer (as described some time ago on P3D), some
Holmes-type stereoscopes, a "3D shadow" exhibit, and a 140-degree(?) stereo
viewer.

The wide-angle viewer used special lenses, and special photographs (that
appeared to have "fisheye" distortion when seen other than through the lenses).
It was a very interesting effect to see such wide-angle stereo. If I recall
correctly, the name of the system or the company (or both) was "Pop Optix",
and it was based in Waltham, Massachusetts. (I wrote it down somewhere, with
the proprietor's name - if I ever find the note, I'll post it.)

John R


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