P3D Re: ortho relativity

[bercov@xxxxxxxxxxx (John Bercovitz)]

Ray Zone writes:

> ..."ortho" stereo is absolutely a relative thing.

Ray, could you be so kind as to give your definition of 
ortho and also say what it is relative to?

> I'm always a little bit surprised that 3-D photographers 
> aren't more interested in the nature of perception itself
> and the hardware in our heads used for sight.  The human 
> eyes are the original camera!

Me too but everyone seems to have a different emphasis in our 
"sport" of stereo photography and I think that's good.

Thanks,
John B


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