Originally Posted by
autonomy
Are bike-mounted cameras all that visible to the drivers in question? In that case, what is the best camera that clearly says "I'm recording you so please think twice about your behavior"? Something helmet-mounted and well-recognizable, like a GoPro? Something with a blinking bright red light?
Honestly, no, bike mounted cameras are not visible. Red lights are easily confused with tail lights.
The only remotely visible camera is a helmet cam. The main challenge of a GoPro is the battery life isn't there. Realistically, you need a camera with 4+ hr battery life.
I recently had a passenger tap me on the butt while the car drove by. Unfortunately, my camera was off because it was a wide open street with minimal traffic. If the camera doesn't have enough battery to run for the entire length of the ride, it's not that useful.