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Aperture-priority is a semi-automatic shooting mode available on many digital cameras, where the photographer manually selects the aperture value while the camera automatically determines the appropriate shutter speed to achieve proper exposure based on the selected aperture and the scene's lighting conditions. This mode prioritizes the control of depth of field, which is directly influenced by the aperture setting. A wider aperture (lower f-number) results in a shallower depth of field, isolating the subject from the background, while a narrower aperture (higher f-number) provides a greater depth of field, keeping more of the scene in focus. Aperture-priority mode is particularly useful in situations where the photographer wants to maintain a specific depth of field for creative or technical purposes, such as portrait photography, landscape photography, or macro photography. The camera's metering system evaluates the scene's brightness and adjusts the shutter speed accordingly to ensure a balanced exposure, allowing the photographer to focus on composing the shot and controlling the desired amount of background blur or sharpness

Depth of field, f-number, exposure, shutter speed, metering, composition, background blur, focus

John Armstrong

CITATION : "John Armstrong. 'Aperture-priority.' Design+Encyclopedia. (Accessed on April 15, 2024)"

Aperture-priority Definition
Aperture-priority on Design+Encyclopedia

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