[photo-3d] Viewer interocular adjustment = BAD!

[Paul Talbot <list_post@xxxxxxxxx>]

The 1950s viewer design compromise of using small lenses and
interocular adjustment is absolutely abominable!  The horrors
it inflicts on unsuspecting viewers of 3D images can be severe.
My disgust with the Red Button and Kodaslide II stereo viewers,
especially the inadequacies of the small lenses their designers
justified by including interocular adjustment, grew so great as
to almost destroy my will to continue pursuing 3D photography.

I am enormously grateful to Alan Lewis for teaching me that
pleasant 3D viewing demands careful selection of suitable lenses.
Viewing medium format slides with his viewers at an NSA-SCR
gathering in Ft. Worth a few years ago was a watershed event
that played a large roll in keeping me from becoming just
another 'here today, gone tomorrow' 3D photo enthusiast.

The SaturnSlide(tm) MF viewer kit, with adequately large lenses
that make interocular adjustment unnecessary, gives me a very high
level of viewing comfort and pleasure.  Perhaps if there were an
affordably-priced Realist-format viewer as good as the Saturn
(high quality lenses of sufficient diameter and appropriate FL)
I would have stuck more with "miniature" format instead of being
drawn inexorably into medium format 3D.

           -- Full power to the flame-shields --

(Background info for newer list memebers:  I have narrow eye-
spacing and setting the red button interocular so that I can
even attempt to view all of the image area in 3D means I have
to painfully diverge my eyes.  Obviously, YMMV.)

Paul Talbot

SaturnSlide is a trademark of Alan Lewis

 

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