3rd dimension stretch

[P3D John Bercovitz <bercov@xxxxxxxxxxx>]

I went to the Oakland Camera Club meeting last night.  It was the 
longest OCC meeting I remember.  We had a competition, a rented 
PSA sequence show, and a sequence show from a member asking for 
comment.

The judge was a flattie judge but we've had flattie judges before 
and I think they're good because aesthetics is aesthetics and 
though they may not know what's wrong technically, their artistic 
comments are always very good.

As any long-time member of this list knows, if you sit too far 
back of the ortho seat (hard not to do) you will get noticeable 
stretch of the third dimension if the subject of the pair is a 
familiar one.  The interesting thing is that both flattie judges 
we've had recently have commented on the placement of the model's 
limbs in pairs done by one of our members.  What they complain 
about is that the limbs shouldn't have been oriented towards the 
camera because they look too long that way.  Little do these 
flattie judges know that they're actually sitting at 2X the ortho 
distance and it's no wonder the limbs look elongated.  Like 
Ferwwerda said, if we want to take pairs for projection, we should 
be using 70 mm lenses, not 35 mm lenses (at least for familiar 
subjects).

John B


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End of PHOTO-3D Digest 1318
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