Photo : Mirror mirror on the wall
If a vampires capable to manipulate minds to see them, why they can’t manipulate mind to see them from the mirror? Perhaps truth is otherwise.
In the China novel, A Dream of Red Mansions (红楼梦), a Taoist monk gave a special mirror to JiaDuanZao. Both side of the mirror are able to reflect stuff. The main side are showing the ugly naked truth, while the other face are showing the pretty but distorted truth.
The image from the camera view finder are actually mirror reflection.