TIA,
I have a color Panosonic camera (part of GPS system)on my Bus, the camera has 4 viewing angles and allows me to see clearly and with great detail well over 1/4 mile behind the Bus. The camera is mounted high and I would think you would want any camera to be mounted on the roof for maxium viewing. With mine I can see the ground at the back bumper and everything in the lane right or left of the bus from even with the back of the bus going back 1/4 mile or so. Works great on the bus to see when I can pull back after passing slower traffic. Also it allow me to keep an eye on the Toad (H2) being pulled behind the bus. This color camera works fine in low light .5 lux but cannot see in total darkness, many B&W cameras can. A hitch cam seems like a neat mount, but I doubt you will see past the car that is following you, were as a roof mount should let you see back well past a following car. However if you have a 18 wheeler on your bumper you will not see too far.
John D.
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