Why is the sky not blue in the photos I took?

If the sky was originally blue, you shot "the sky is dead white", which means that the exposure is not well controlled and should be excessive.

when the difference between the brightness of the sky and the ground scenery is small, it is easy to handle, but when the brightness of the sky and the ground scenery is very different, then the sky and the ground should make a trade-off, so that the exposure of one of them is more appropriate, and the other will naturally be worse.

So, if you want to shoot the sky and the ground well, you should pay attention to framing to make the brightness difference between the ground and the sky smaller.

Of course, another way is to use a gradient mirror, which costs money-_-

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