Perspective is the way three-dimensional space appears in a flat, two-dimensional image. It shows the size of objects and the distances between them. Near things look bigger than distant ones, and parallel lines, like railway tracks, seem to meet in the distance.
In photography, perspective depends on the camera's position relative to the subject, not on the lens itself. A wide-angle lens used close up makes space look deeper. A telephoto lens used from far away makes things look closer together. Photographers use converging lines to create a sense of depth.
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