FIELD: electronics.
SUBSTANCE: invention relates to imaging devices focusing control. Result is achieved by, that acquisition unit is made with possibility to obtain first information about lost focus, based on sensor output data corresponding to first section in captured image area, and obtaining second lost focus information based on sensor output data corresponding to second section in area. Control unit is made with possibility to obtain information on lost focus, of corresponding area, using first lost focus information and second lost focus information and performing focusing control based on received data on lost focus. First section has length in direction of phases difference detecting, which exceeds second section length.
EFFECT: technical result is higher focusing control stability.
18 cl, 23 dwg
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