To focus the camera, you should start turning the lenses in one direction, wait one or two images and check the
Actual Detail Level to determine if the value of this figure is increasing (the higher the better), continue turning
in the same direction until it starts to decrease; at this point, change rotation direction slowly looking for the
maximum value of the detail level. Below is a sequence of images of a common focus process:
Rotate the lens slowly, focus is very sensitive to small rotations. Remember the direction of your last rotation.
In order to be sure that the camera is well focused you should use the image tab to verify what the image looks like: