Imaging apparatus and method for controlling same
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United States of America Patent
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May 10, 2016
Grant Date -
Oct 9, 2014
app pub date -
Mar 27, 2014
filing date -
Apr 5, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is an imaging apparatus that acquires an object distance to an object and focus position information for each of a plurality of divided areas of an imaging screen corresponding to an imaging area. The imaging apparatus acquires data of the amount of field curvature corresponding to the imaging distance and removes a field curvature component from the object distance and the defocus amount so as to determine a plurality of objects which is equi-spaced from the imaging apparatus and faces the imaging apparatus. When the plurality of objects is equi-spaced from the imaging apparatus and is arrayed so as to face the imaging apparatus, a focused position at which an error in the defocus amount on the entire imaging screen is minimized is calculated. If otherwise, a focusing reference area is selected and then a preferential focusing operation is performed for an object corresponding to the area.
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