Different cameras provide different levels of control, ranging from very basic to highly sophisticated. More sophisticated cameras have external mode dials, although the functions that can be accessed via these dials can vary between simple and highly automated and professional standard.
Cameras that lack dials may provide the 'professional' P, A, S and M shooting modes but they are accessed via the menu. Snapshooters' cameras are largely automated.
The P, A, S and M shooting modes provide different degrees of control and are used in the following ways.
The Programmed auto exposure (P) mode sets the aperture and shutter speed automatically, while allowing users to over-ride everything else. In this mode you can set ISO sensitivity, adjust exposure compensation (to control overall scene brightness) and white balance (to control colour…
