Seems a lot of people keep asking about cameras and I know its a minefield with little info, demos of quality. ill add a few more soon.
Like with all cameras, you need to find the best place for them and non are great in bright sunlight and suffer from the matrix/pixelation effect when driving down a tree lined road in bright sunlight
This was uploaded to you tube but that has seemingly reduced the quality even further
Blackvue 500 demo - with near lowest quality settings and not best camera position
double click for full screen