Amara

Finger pressure on the finishing stone, five strokes each side, check with a straightedge. That is the entire technique.

Adding the diagnostic that tells you whether you have overdone it, because the failure mode in the other direction is real and less obvious.

Too much camber on a smoother leaves scallops instead of tracks: the surface reads fine to the eye and catches the light in bands. If you see that, take the camber back. Tracks and scallops are the two ends of the same adjustment and people usually only hear about one.