They appeared after I boosted the contrasts and added a bit of grain in
photoshop.
On my screen, they are not too pronounced, maybe they are more on your's.
But I don't like them, any idea how to avoid them?

Louis


Xns### [at] netplexaussieorg...
> in news:3fd84584@news.povray.org Florian Brucker wrote:
>
> > But your Image seems to be a bit grainy.
>
> Tri-X in HC-100 gives such a result.
>
> But where do the rings above Julia come from?
>
> Ingo

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