Autofocus: Auto focus is a setting on the camera, to capture moving animals, objects, people, cars, landscapes, etc. to get autofocus, first press the shutter button. when you press it down halfway and theres a stop halfway when you press it will try to calculate focus. once it gets it it will beep at you, indicating it is on autofocus. You can capture many moving objects with autofocus. Digital cameras capture images electronically. unlike traditional cameras which use chemical film. The first self-contained camera was invented in 1974-5 by Steve sasson. he was working for KoDak at the time.
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