I recently sold my Canon camera to a Sony series A7R4A with a Sigma 100-400 lens. In the process of using, I feel that there are some gaps between the pictures taken by Canon before. After ensuring that RAW is turned on, the noise of the image is more obvious at low ISO. The dark area of the picture is also too dark, and the overall picture feels like a layer of mist. Could this be because of the 61 million pixels? Have you communicated with friends who use the same camera? Or Sony camera users, there is still a lot to learn.
Some photos

Some photos
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