Among other things, Catseyeman saw fit to write:

> Does POV-Ray have the ability to generate and reveal the "real" images (at
> it's focal point) of objects placed at the "center of curvature (twice the
> focal length)" of a parabolic mirror (defined as a 2nd-order Infinite
> Solid Object with "Mirror" finish)?

I haven't tried, but I guess you'd "see" the image if you place the camera
where the image is formed.

Otherwise, you'd need:
a) some object to receive the light rays and make the image visible (a
screen, some scattering media...)
b) lots and lots of photons to forward-trace the light rays... and you'd
still be missing the diffuse photons, I guess.

-- 
light_source{9+9*x,1}camera{orthographic look_at(1-y)/4angle 30location
9/4-z*4}light_source{-9*z,1}union{box{.9-z.1+x clipped_by{plane{2+y-4*x
0}}}box{z-y-.1.1+z}box{-.1.1+x}box{.1z-.1}pigment{rgb<.8.2,1>}}//Jellby

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