Contrast is defined as moving forward and backward to bring objects into sharp view.

Contrast in photography refers to the difference between the lightest and darkest areas of an image. It is a critical aspect of how we perceive an image's depth, textures, and overall emotional impact. The definition provided in the question describes the physical movement of a camera or an individual to focus on objects, which relates more to the concept of focus rather than contrast. Focus involves adjusting the distance between the camera's lens and the subject to make the image clear and sharp, while contrast deals with the tonal differences within the image itself. Therefore, the assertion that contrast is defined as moving forward and backward is inaccurate, leading to the conclusion that the correct answer is false.