>What's most curious is that the texture of the two large out-of-focus
spheroids
>is a cross-hatch pattern.  So if they have the same general texturing as
the
>in-focus one does then it seems odd that the focal blurring brings out a
>repeating pattern like that.  The other looks fairly randomized.
>And it couldn't possibly be a camera capture, too perfect.
>

Why is this true? Is it due to the fact that the granite is only
pseudo-random? Is is really periodic with a small period?

Simen.

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