Difference between revisions of "Aperture priority"
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| − | '''Aperture-priority''' describes a [[Light meter|metering]] method which recommends (or sets automatically) a shutter speed based on the aperture set by the user. | + | '''Aperture-priority''' describes a [[Light meter|metering]] method which recommends (or sets automatically) a shutter speed based on the [[Lens#Aperture|aperture]] set by the user. |
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| + | Given a choice of metering method, Aperture Priority may be chosen when control of [[depth-of-field]] is required. This may be either to ensure objects at different distances are in focus - by specifying a small aperture, or that some ojects (perhaps the subject of a photo) are in focus and others (perhaps the background) are not - by specifying a large aperture. | ||
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Revision as of 12:31, 30 June 2009
Aperture-priority describes a metering method which recommends (or sets automatically) a shutter speed based on the aperture set by the user.
Given a choice of metering method, Aperture Priority may be chosen when control of depth-of-field is required. This may be either to ensure objects at different distances are in focus - by specifying a small aperture, or that some ojects (perhaps the subject of a photo) are in focus and others (perhaps the background) are not - by specifying a large aperture.
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