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P3D Re: Projection problem
- From: Gabriel Jacob <jacob@xxxxxxxxxxxxxx>
- Subject: P3D Re: Projection problem
- Date: Wed, 1 Sep 1999 18:36:38 -0600
Tom Hubin writes,
>I find it hard to believe that the designers of projectors would want to
>include the slide thickness and accept the resulting spherical
>aberration.
I don't think the projector designers had any choice. This is predetermined
by the camera and orientation of the emulsion in the camera (light striking
the emulsion first and the film binder second). I think they figured the
lesser of two evils is having the projector take the heat. ;-)
Gabriel
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