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AF Assist

In dim lighting the camera’s autofocus system may struggle to lock on to your subject, but on some cameras a lamp on the front of the camera will light up in low light and shines a bright, tightly focused beam of light at your subject to help the autofocus system lock on. Not all cameras have or need this kind of focus assistance.

Autofocus basics explained

August 24, 2019 by Rod Lawton

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 […]

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