Perhaps no technical innovation in modern photography has had more of an impact than autofocus. Long gone are the days of rudimentary systems with just a single autofocus point or two. Modern autofocus systems are tremendously powerful and customizable, and as such, it is well worth knowing how to get the most out of your camera. This helpful video tutorial discusses autofocus modes, tips, and problems and how to get the most out of your camera's capabilities.
[ Read More ](Originally posted by Alex Cooke)