Just about all digital cameras have autofocus systems, and while there’s a wide range of different autofocus (AF) technologies, the basic principles of how autofocus works is the same across all of them and boils down to two things: AF modes and AF points. AF mode: WHEN the camera focuses If you’re taking one picture […]
Area/auto AF
This is a focus mode where the camera automatically selects a focus point, usually choosing the object closest to the camera. It's an effective 'standby' autofocus mode.