Re: Medium format 3d, terminology, stereophobia

[P3D John W Roberts <roberts@xxxxxxxxxxxxxxxxx>]

>Date: Fri, 14 Feb 1997 09:09:12 -0600
>From: P3D Greg Erker <erker@xxxxxxxxxxxxxx>
>Subject: Re: Medium format 3d

>  Tell us what you have. I have some detailed text and a
>scanned drawing of mine I could send you. I won't burden
>P3d with it since I think I posted it a long time ago. Sam's
>web page has plans for his viewer.

Is yours on a Web page?

>>Let's hear from a few of you about picture taking challenges and tips.

>  There are many topics. Single camera on slidebar, twin cameras,
>siamesed cameras, and real stereo cameras. They all have different
>challenges. Which topic would you like to discuss?

I'd consider at least the twin and "siamesed" to be "real stereo cameras"
as well. How about calling the 1950's models, FED, etc. "dedicated stereo
cameras"? :-)

On the topic of the dangers of 3D photography, the flip side of the coin is
the intimidation factor of stereo equipment. When I use a Realist or twin
X-700s on a 6-inch bar, the effect is relatively minor - some people will
ask about the camera, others appear interested but uneasy about asking,
and some just glare and avoid the camera. When I use twin cameras on a
2-foot bar for hyperstereo, a significant number of people in the area seem
ill at ease, and hardly anyone asks about it. When I use a 4-foot
hyperstereo bar, especially with a tripod, most everybody keeps a safe 
distance away, except for little kids, whose fearful mothers snatch them 
away and ask me to forgive them for bothering me [yes, that's really happened].

I suppose the effect is useful in marginal situations where a 2D camera
might be stolen, but I consider it puzzling. Any speculation on the causes
of stereophobia?

John R


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