Originally Posted by
ItsJustMe
Automotive headlights do not do this.
Some do, particularly HID headlights. Do a Google search for auto-leveling headlights, they're stock on some cars.
when you're cresting a hill your low beams are shining right into the eyes of oncoming vehicles.
And that's the point I keep mentioning when people get all goggle-eyed about how great cutoffs are, how inferior non-cutoff-equipped lights are, etc etc
ad infinitum. If you ride a very flat MUP and are concerned about the oncoming MUP users who have no lights, or very weak ones, then maybe a cutoff-equipped Supernova, Cyo or Edelux is a good choice, sure. In city traffic, don't worry about your lights being too bright until the cops pull you over for it
Some original research: