Taking full control of your shutter speed, aperture, and ISO is one of the most fundamental things every photographer needs to master. There is a range of camera modes to assist you with these settings, ranging from automatic mode to full manual mode, with a set of semiautomatic options in-between the two extremes. One such in-between mode is aperture priority, and this excellent video tutorial discusses its usefulness and how to use it.
[ Read More ](Originally posted by Alex Cooke)