The A on your camera’s mode dial is not for Amateur (and the P is not for Professional, but that’s another story). Aperture priority mode, designated by A or Av on the camera’s mode dial, blends the ...

As you might expect, you use Aperture-priority mode when you need to control the size of the opening through which light travels to reach the sensor -- usually to affect the depth of field -- but ...

Not all cameras have an aperture-priority mode. If yours has one, you should use it. All the time. It'll give you more control over the look of your photos without having to dive into the complexities ...