
In order to gain a successful shot when filming, it is vital that as a group we understand about the "rule of thirds". The rule of thirds is a compositional rule of thumb in visual arts such as painting, photographyand design.The rule states that an image should be imagined as divided into nine equal parts by two equally-spaced horizontal lines and two equally-spaced vertical lines, and that important compositional elements should be placed along these lines or their intersections. Proponents of the technique claim that aligning a subject with these points creates more tension, energy and interest in the composition than simply centering the subject would.

Headroom
Headroom refers specifically to the distance between the top of the subject's head and the top of the frame, but the term is sometimes used instead of lead room, nose room or 'looking room' to include the sense of space on both sides of the image. The amount of headroom that is considered aesthetically pleasing is a dynamic quantity; it changes relative to how much of the frame is filled by the subject. Moving images such as film and video cameras have the same headroom issues as still photography, but with the added factors of the movement of the subject, the movement of the camera, and the possibility of zooming in or out. Headroom changes as the camera zooms in or out, and the camera must simultaneously tilt up or down to keep the center of interest approximately one-third of the way down from the top of the frame. The closer the subject, the less headroom needed. In extreme close-ups, the top of the head is out of the frame,but the concept of headroom still applies via the rule of thirds.
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