The mode of the digital camera
a -stop aperture is preferred; the camera automatically configures the appropriate speed (e.g. requires depth of field and is convenient for shooting still life).
s Gear speed is preferred; The camera automatically configures the appropriate aperture (for example, it is convenient to shoot moving objects) by you to determine the speed.
p file program automatically, commonly known as a fool, do not set the program has been set up, alignment on the shoot, very convenient (often give you the maximum aperture, but can adjust the exposure compensation)
m-File manual, Iris/shutter must be self-determined, for the photographer to require a variety of different effects to use.
These are all set up for easy photo-taking, such as:
s gear, shoot run ... Birds... Mercedes-Benz Car ... And so on, as long as the speed is OK, it is very convenient.
A file; shoot a flower. Portrait... Still... Scenery... Wait, as long as the aperture is OK, it is also very convenient.
P-file; Very large coverage, almost can be photographed, just don't ask too high.
The mode of the digital camera