But you can twist the lens so it's straight which should make it perfect, surely? The camera is designed so you can mount it pretty much as wonky as you like and it'll be fine, as long as you have the vertical angle correct, which you do.
So you can
 I'll give it a go later when I finish work!
	
 
 there's a laser built in, so if you stick your helmet on and look at something straight, you can line it up using the laser.
	