Some days ago I went to a concert and there I tried to do some concert photography for the first time. I'll post some pictures in this thread, can you give me pointers on what's wrong with them and what I can do to improve?

Btw they're really noisy and not that sharp since I decided to go with one of my manual lense (I'm stupid, I know), which was a pretty slow one, so I had to shoot completely open and with crazy high ISO. Also, manual focus.

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