1. An electronic mirror apparatus comprising: an imaging part mounted at one-side or each of both-side surfaces of a vehicle and taking an image in a rear-and-side directions of the vehicle; and a display part mounted in the vehicle interior and displaying an image taken by the imaging part or an image acquired through a predetermined transform process on the image taken by the imaging part, wherein the display part displays the image corresponding to an imaging range that is different between a case where a shift position of the vehicle is a forward position and a case where the shift position is a reverse position.