P3D Re: Realist Processing & Mounting

[fj834@xxxxxxxxxxxxxxxxxxxxx (Dr. George A. Themelis)]

>Just curious George asks:
>>How about vertical misalignment?  Or incorrectly placed stereo 
>>window? (like at or beyond infinity or too close to the camera)
>>Should these be classified as mounting errors or not?
>
>Well this is what Dr.T had to say on the subject just over a
>week ago (see PHOTO-3D Digest 2711).

>2. There are mounting errors and MOUNTING ERRORS!  The "Kermit" slide
>   was a close-up that was mounted in a normal (heat-seal cardboard
>   mount).  As a result, the stereo window was off, resulting in
>   "floating edges".  This can be fixed by pulling the chips away
>   from each other and going to a close-up mount if running out of
>   space.  What I consider a MOUNTING ERROR is vertical misalignment.

The Kermit example is something that I do not expect Kodak (or any other
commercial outfit) to mount correctly.  The subject is too close to the 
camera to be mounted in a "Normal" mount.

What I have seen in many commercially-mounted slides is inconsistencies
in placing the stereo window.  For "Normal" scenes the window can be
placed anywhere from 5 feet to beyond infinity.  If the chips are cut
always at the same place and are centered in the mounts, then the 
window should be always placed at the same spot.  That's what I would
expect a commercial outfit to do (plus, no vertical misalignment except
if it comes from the camera and is consistence throughout the roll).
Anything more than that is really "custom mounting"...

-- George Themelis


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