I took a photo of my computer screen through my mobile phone camera. Why are these color distortions in hyperbolic shape?

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    $\begingroup$ That is a good question. Try taking photos from different distances. I suspect that you're rmseeing Moire fringes, but the way the fringe pattern changes with distance from camera to computer screen will confirm or refute that guess. $\endgroup$ – S. McGrew Jun 11 '20 at 23:05
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    $\begingroup$ Does this answer your question? Why do I see a saddle in this picture of a computer screen? $\endgroup$ – Sandejo Jun 11 '20 at 23:08

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