Tripods essentially come in two parts: the tripod legs, used for support and height, and the tripod head, which is used for positioning and pointing the camera. Often, a tripod is sold with a head as a single item, but with more upmarket tripods the legs and head are usually sold separately so that you […]
This is the difference in the relative positions of nearby and distant objects when you change your viewing position. As you move, the nearby object moves relative to the background. This can be an issue in photography if you're using a camera with a direct vision viewfinder (not a through the lens viewfinder), or if you're shooting and stitching panoramic images and including objects close to the camera.