I know that a lot of people use the Autofocus function with success but I have never got it to give me a sharp focus. I have been using a Bahtinov mask which always works well. Last night it was cold and I thought let's give autofocus another try. It completed successfully and I started imaging. When I took a look this morning (I know I should have checked last night) the images I though looked good we're all out of focus.
Does anyone have any tips?

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