P3D Re: Could digital produce more lifelike stereo ?

[William Carter <wc@xxxxxxxxxxxx>]

Dr. T. muses:

>Never given second thought to the fact that in
>real life the background is out of focus while when viewing a stereo
>picture it is not.  Does not seem to bother me.  But what does this 
>have to do with 'cardboarding' effects?

Interesting, I have a completely different reaction. For me, distinctly
resolved and focused double foreground and background images causes severe
retinal rivalry, especially where an object will occlude the image to one
eye but not the other. I find it unnatural and fatiguing, if not painful. I
see "everything in focus" 3D as being simply "bad" 3D.

Certainly true subjectivley, it seems to me the optical incongruity caused
at the edge boundaries of one in-focus object imaged in front or behind of
another object will necessarily cause cardboarding, as there is an
unnaturally abrupt change in planes of vergence and focus.


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