It is possible, funny I haven't seen any serious optical things done
with POV-Ray yet. There was a telescope animation (or still) posted not
too long ago here at news.povray.org and it showed rather well how the
lenses can be set up to magnify. I myself did this long ago and was
confused at the results. I did scaled sphere intersections for convex
and concave lenses in a rather crude telescope setup. Believe I must've
done an internet search before for optics using POV-Ray however I don't
recall finding anything then. Far as following true physical properties
I can only guess there might be approximation possible after all.


"Rune S. Johansen" wrote:
> 
> Is there any tutorials on how to make lenses that works in POV-Ray?
> I mean how to use lens shapes with ior cleverly.
> F.x., is it possible to make two lenses that gives different zoom
> when back and forth away?
> 
> Thanks,
> 
> Rune S. Johansen
> http://hjem.get2net.dk/rsj

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