Aperture Priority

What is Aperture Priority?

What is Aperture Priority?

A metering mode in which the photographer sets the desired lens aperture (f-stop) and the camera in turn automatically sets the appropriate shutter speed to match the scene being recorded. Portrait photographers usually prefer wider apertures for shallower depth of field (DOF), while landscape photographers prefer smaller apertures, which bring more of the scene into sharper focus. See Shutter Priority, below. Aperture priority is a preferred method of maintaining a fixed degree of depth of field while shooting under rapidly changing lighting conditions. 

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