Before I set to work on something that I may not be able to do, I
thought I would ask around.

    I want to make a telescope that has a focal length of about 2 to 10
feet, I want it to -really- magnify so that I can observe insects and other
small life without disturbing them.

    To figure out where my lenses should be and what lenses I should have, I
thought I would make a povray macro. I will allow different curvature of
lenses and show the focal points by extending rods from one point on the
lens to another. Then I will move my camera and look through it.

    So my question is, will trace() allow me to do this (Figure out normal
of the rods leaving the lens...I assume it will, if I can figure out the
math) and has it been done before.

    Easy? Medium? Hard? Impossible? I have no previous knowledge of optics
beyond what you get in physics and astronomy.

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