Paul Daniel Jones wrote:

> ARGH!!!  I am trying to make a lens which will generate parallel beams
> of light with a spotlight put at it's focal point. I have tried using
> some formulae from my physics book, but just can't get it. Is there
> anybody out there who could help me?
>
> -paul
>
> --
> -------------------------------------------#
> Paul Daniel Jones
> 120 Chandlee Laboratory
> Penn State University
> 814-865-2090
> pdj### [at] psuedu
>
> http://research.chem.psu.edu/glassgrp/paul
> --------------------------------------------#

I can't get anything realistic with the spotlight.  Try putting a point
light source in a box with a circular shaped hole to make a light cone.

Dan Johnson

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