Basic Camera Controls Part2

Next in line on the basic controls of a digital camera are as follows:


Digital Cameras have autofocus,this allows the camera to choose the correct focus distance for you,usually based on the contrast of an image(the image will be at maximum contrast when in sharp focus) or a mechanism such as an infrared sensor that measures the actual distance to the subject.Cameras can be set for a single autofocus(the lens is not focused until the shutter release is partially depressed/pressed lightly) or continuous autofocus(the lens refocuses constantly as you frame and reframe the image,as the shutter release has been partially depressed/pressed lightly).

Depth Of Field(DOF):

The range of distance in a scene that appears to be in focus and will be reproduced as being acceptably sharp in an image. It is controlled by the lens aperture,and extends for a distance in front of and behind the point on which,the lens is focused.

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