When you are setting up any shot, always ask yourself:
• What is just outside the frame? It may be important – or about to intrude.
• How do the subjects interact with the frame in this shot?
Although at first sight the most logical thing to do, is to place your main subject in the center of the screen, that is not always the most effective way of presenting it. In practice, the center of the screen has been found to be the weakest concentrational area. The eye tends to move away from it towards other parts of the shot, unless there are;
• strong compositional lines concentrating on it,
• or eye-catching movement, color or form.
Most subjects look best when off-centered to some extent, balanced against ...