Traditional Culture Encyclopedia - Photography major - When shooting a white background, the middle of the lens is blue.

When shooting a white background, the middle of the lens is blue.

Several possibilities:

1, light refraction.

2. The problem of lens coating.

3. The lens leaks oil.

4. The reflection of objects in the room.

Is it just the lens, or are the photos taken like this?

I suggest you look at the white wall when the light is good during the day. If it can't be solved, please call the manufacturer for consultation.