With traditional mirrors you get this sense of depth looking in them, which is aided by the fact that everything inside the car doesn't seem to move and the outside world does. (autoline.tv)
But for actively changing lanes or parking, a wide - angle camera for the blind spot monitor covers areas not seen by traditional mirrors. (theverge.com)
This reduces the mirror's weight to one - fifth that of an equivalent traditional mirror while maintaining rigidity. (kavliprize.org)