👉 A perspectograph is a type of map that uses an inverted perspective to provide a more detailed view of a landscape or scene. It is typically used in aerial photography and includes a large, flat projection screen on which a camera is mounted. The camera's lens focuses onto a series of mirrors placed around the projection screen, creating a 3D effect where each point on the ground appears as if it were floating in mid-air. This perspective helps to create a sense of depth and height that can