Why autofocus routine makes focus worse? I make manual focus with bahtinov mask and then run autofocus. Eaf first defocuses star and then tries to narrow focus down. But it strugles with it and often finishes with bad focus. Sometimes donuts. I'm afraid to use it automatically if this means after meridian flip and temperature change I got defocused image. I used it with asiair pro with 1.5.1 and 1.5.3 version and it's the same.