Aperture Priority | Aperture Priority Mode | Digital Camera Aperture Priority Guidline

Digital cameras support many photo shooting modes - from automatic point and shoot to manual where the camera does nothing for you. One of those modes is Aperture Priority.

You set the Aperture priority mode by using the camera menus on its LCD in which case you need to browse and choose Aperture priority from the menus or by rotating a modes dial in which case you choose Aperture priority by its symbolic icon (in most cases Aperture priority is symbolized by a capital ‘A’).

In Aperture priority mode you manually set the aperture value. One good reason is to control the depth of field. Depth of field is defined as the range in which the photo is in focus. The wider the aperture value (the f number decreases) the narrower (shallower) the depth of field and vice versa: the narrower the aperture value (the f number increases) the deeper the depth of field.

A common use for manually controlling the aperture value and achieving a narrow depth of field is when taking portrait photos and trying to blur the background behind of the portrait object.

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How to use aperture priority, ISO sensitivity, metering modes, shutter speed, basic shooting modes

Brief and straightforward guide about aperture priority mode. Read the latest aperture priority mode tips