Re: Polaroid Instant

[P3D <CJMCE@xxxxxxxxxxxxxxxx>]

Paul Boyer   <boyer@xxxxxxxxxxxxx> said:

>Some years ago I made stereo pairs using a single SLR and Polaroid 
>instant color slide.  I used the Polaroid because I was experimenting, 
>and could not afford to wait for slow development.  I was making 
>stereograms of fluorescent minerals under UV illumination.
>It worked, although I ended up with exposure times of up to 20 minutes.  
>Then I found that Polaroid color slides (which have a silvery appearance) 
>depolarize light passing through them.  Thius means that my results can 
>be viewed in a regular, hand-held viwer, but cannot be projected using 
>polarizing filters.
>I suppose I could copy the slides onto regular diapositive film.
>Just thought that I'd warn you.

Why not do what I do for Forensic displays in the Courtroom... I use GEPE
glass-mount slides and SANDWICH polarizing filters in the mounts themselves. It
uses up some cardboard glasses, but for Kazillion-dollar law suits it's not
extravagant...

...depends on how deep your pockets are.

Clifford J. Mugnier  (cjmce@xxxxxxx)
Topographic Engineering Laboratory
Department of Civil & Environmental Engineering
University of New Orleans
New Orleans, Louisiana  70148
Voice: (504) 286-7095
FAX:         286-5586


------------------------------