P3D RE: P3D Re: Bracketing slide film--also telephoto depth?

[Gabriel Jacob <gjacob@xxxxxxxxxxx>]

Jim Benbow writes,

>I try to bracket important slides because I tend to like them dark in my viewer
>but my scanner (an inexpensive flatbed with transparency adapter) prefers them
>light.

Good idea.

>Another question:
>I've noticed that my pictures are more effective if they combine good "2D" depth
>clues with the stereo.

That makes sense.

>So I'm wondering how the apparent  "squashing" of depth that a telephoto lens
>produces (in 2D) would affect a stereo shot?

It would be the same for a stereo shot. That is, the image would looked squashed
when viewed with a normal viewer that has a shorter f.l. viewer (compared to a
telephoto lens on a camera). If you match the viewer and camera lens f.l., the
image won't looked squashed or stretched but rather ortho Correspondingly, if your
viewer has a much longer f.l. than the camera, then the image would look stretched.
Hope this helps.

Gabriel 



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