Re: [photo-3d] Stereo vision and eye spacing

["Don Lopp" <dlopp@xxxxxxxxxxxxxxx>]

I do not believe thaat a few percentage points in eye spacing or in camera
spacing is of any serious moment in determining stereo depth perception.
Also I believe ortho  is an overused term as reguards to stereo photography
and of little value- consider the fact that to my knowledge their are no
ortho viewers available with 35 mm viewing lenses ( Illoca viewer I have
never seen  , it may be an exception). The approx, 44mm lenses lenses
available on most viewers are off by a factor of allmost 30  percent and the
deWIjs viewer at 60 mm is off by a factor of  60/35 or 70 percent and people
appear to be satisfied with this miss-match. If MF viewers were this far off
they would have lenses of  100 mm and 127 mm respectively-both of which I
would find  of poor value or just plain lousey. DON



 

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