From: The Lahrs (JohnJan@lahr.org)
Date: Fri Dec 17 1999 - 07:36:56 PST
Message-Id: <4.2.0.58.19991217083401.00b496a0@netmail.home.com> Date: Fri, 17 Dec 1999 08:36:56 -0700 From: The Lahrs <JohnJan@lahr.org> Subject: Re: Pinhole Digest #313 - 12/17/99
Eric,
Yes, it is possible to do with slide projectors, because, as you
suggested, the reflected light is also polarized. I experimented
with two slide projectors some years age with success.
John
>the castro theatre recently showed Dial M for Murder
>in 3-D. according to a poster outside the theatre,
>hitchcock used 2 cameras to film the movie. then each
>of the two films was projected simultaneuously on the
>screen through orthagonal polarizing filters. the
>audience wore polarized 3-D glasses to make sure that
>each eye only saw one film, thus acheiving the desired
>stereoscopic effect.
>i was wondering if it would be possible to do the same
>thing with slides, using 2 slide projectors. has
>anyone tried this or seen it done? Also, if i send a
>beam of polarized light at a screen, will it come back
>polarized? if not, how did the hitchcock thing work?
>
>keep the funk alive
>--eric
>
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