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P3D Re: Stereo Exhibitions - Slides & Prints



Bill Walton writes:

>I agree with Jim Norman's evaluation that it is cheaper and easier to
>hold a stereo card exhibition than it is a stereo slide exhibition. 

I cannot say I am surprised... But regarding the cost, no one at the
end pays for anything.  Viewers or projector equipment are supplied
by the organizers at no cost to anyone.

I have never been directly involved with PSA exhibitions but I wonder
if there is or should be some type of standard for viewing stereo cards.  
The three extremes quoted by Bill Walton (freeviewing, cheap plastic
viewers and achromatic stereoscopes) can produce different judgments
over the same set of images.  I think PSA has set standards for stereo
projections regarding even the size of screens and positions of judges.
I am not sure if they would allow a judging based on $3.25 viewers
(even though this could very well be an option, equivalent to using
the cheap plastic viewers for prints).
    
>I wonder which of these
>examples would be considered the easiest;  Slides-Take a projector, trays
>of slides, screen and polarizing glasses to a location and set them up   
>Cards-Take a box of cards and a couple of scopes and put them on a table.

How about time-effective?  You can show 100 accepted slides to 50 people
in half an hour while you will need over 25 hours for 50 people to view
all 100 accepted stereo views.

Projection is STILL the big advantage of stereo slides when it comes
to showing the images to a number of people at the same time.  But
I don't doubt that sometime this will change will all the images
digitized before hand (and aligned -if needed- in the process!) and
then showing them with some kind of eyewear to the judges and 
projecting them in large screens for the audience.  This will be the 
ultimate integration of the stereo formats.  No more worrying about 
prints or slides.  All stereo images viewed the same way, regarding
of their origin.  Even purely electronic images (never printed in 
any form) can be combined this way.

George Themelis


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