what if you use a cylindrical spotlight with parallel light rays.  the
reason is that in a projector, the bulb is so big in relation to the
film that i'm pretty sure it acts like parallel rays and not a point
source.

Bob Hughes wrote:
> 
> I was trying to see how refraction + photons and all that would work out for
> projecting images from a light.
> Apparently no refraction actually gets used since the image is the same with
> or without the glass lens.  Only that photons show up, of course, in the
> media air.
> Just figured I'd post an image of it while talking about it.  So, I guess
> it's a moot thing to try and do image projection in this manner.
> 
> Bob
> --
> omniVerse http://users.aol.com/persistenceofv/all.htm
> 
>  [Image]

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