Is slight dimming on the corners normal?

UnspokenWhale

Reputable
Aug 18, 2014
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I just got a new monitor today so far everything good but I am slightly concerned as the corners of the monitor are slightly darker than the rest. My camera can't really get a good picture of it, but I can definitely see a slight shade on the corners (mostly on the top on the panel). Is this normal? It is a Dell TN panel.
 


It's the S2417DG. I skimmed through some of the reviews on Amazon and I couldn't find anything.

It's not really bad enough to return it but it's slightly disappointing.