This could be caused by one of three things: (1) Your tree is growing more leaves than it can support, (2) pests and diseases infect the leaves, or (3) your tree might be getting too much or too little water.
Explanation:
A long shot or wide shot is all about characterization and can set a strong tone for a photo or movie. Using a long shot, you can capture the entire subject from head to toe. In photography and videography, long shots are one of the best ways to define the subject you're shooting in relation to their background.