Aperture Priority Auto Exposure

ˈæpərtʃʊr praɪˈɔːrəti ˈɔːtoʊ ɪkˈspoʊʒər
Term: Aperture Priority Auto Exposure
Description: Aperture Priority Auto Exposure is a semi-automatic shooting mode. The user sets the aperture and the camera meters the scene to determine the best shutter speed for a correct exposure. ISO can either be set by the user or used in automatic mode so that the only variable not controlled by the camera, rather than photographer, is aperture. It is useful for maintaining a desired aperture look, like a particular depth of field, while being able to move quickly with variances in a scene like overall brightness or darkness of what's in the frame or changing light.

aperture priority definition

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We're going to take a closer look at the four main modes available on most cameras and discuss scenarios where each mode makes the most sense. Ready? Let's dive in!