T3D Re: stereo math

[Jay Schumacher <x-high@xxxxxxxxx>]

Michael Kersenbrock wrote:

> The ambiguity arises I think because most people probably don't have
> projectors, so the "default" for "perfectly mounted" may be for
> viewers, rather than for projection where a technical-oriented person
> would put the default (because it's the worse case condition).
> 
> Mike K.

This is something that I've been wondering about and maybe it's been
explained and I missed it. Why is a slide that is mounted perfectly for
projection different than one mounted perfectly for hand viewing, or is
it? I understand that viewer viewing is more forgiving than projection
but is there really a different specification? Would one that is mounted
perfectly for projection also be perfect in a hand viewer and if not,
why not?

Thanks,

Jay


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