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With regards to ht ethread in p.g, here is a sample image of a 'real' lens
flare. As you can see, a lot of work still needs to be done to perfect it,
but I don't think I'm going to try at the moment, the rendering is too time
consuming. This scene took 17m with no AA, no media, no isosurfaces, just
reflection/refraction through a lens system.
BTW, the light source is not in front of the camera, it is its reflection on
the sphere that makes it visible.
-tgq
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![LensFlre.jpg](/povray.binaries.images/attachment/%3C3be9602f%40news.povray.org%3E/LensFlre.jpg?preview=1)
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