Originally Posted by
mechBgon
If that's the change caused by a one-foot adjustment in aim at that distance, then it looks like even a slight hump in the road will bring your light up into the eyes of oncoming people, and a slight dip will limit your ability to see down the road. I guess this is why some cars have auto-leveling headlights
Yup, raising my light one foot will put it right into the eyes...of a 3 foot tall person.
Basically I took the light at standard aim and placed the camera on tripod, 6 inches above the cutoff, then raised the beam so the cutoff was 6 inches above the camera.