Familiar Size and Relative Size When you view images of people, such as the people in the left-hand photo, or of things you know well, the object you perceive as smaller appears farther away. With a little image manipulation, you can see in the right-hand photo that the relative size difference projected on your retinas is far greater than you perceive. The image of the person in the blue vest is exactly the same size in both photos.

THE PHOTO WORKS