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This difference is a normal display phenomenon, and the reasons are as follows:
1. To obtain sufficient exposure for the photo, the camera will increase the exposure to make the picture in the dark light look brighter. This operation will also make the details and colors that are not obvious before becoming more prominent. So the display is different from direct observation with the eyes;
2. Some cameras are prone to noise in dark light, causing red, purple, or green colors that do not exist in the picture. Therefore the screen will appear in different colors.