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20 
8 Why the camera takes photos in yellow or green tones?
A few days ago when I want to take a photo with my cousin's 3DS but the photo looks with a green tone, I cover the left lens and the colors were good and when I cover the right lens is with the green color, but I turns off and power on the 3DS and the problem is solved.
Today I want to take a photo and it happens the same thing but now with yellow tones so I turn off and power on and the problem is again solved... for now.
What's happening with the lens?
