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Imaging apparatus, focus control method, and program

  • US 9,383,626 B2
  • Filed: 03/27/2013
  • Issued: 07/05/2016
  • Est. Priority Date: 04/06/2012
  • Status: Active Grant
First Claim
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1. An imaging apparatus comprising:

  • an imaging element configured to generate an image signal;

    a control unit configured to process the image signal, wherein the control unit comprises one or more central processing units (CPUs) configured to;

    arrange range-finding regions of which region sizes are different by hierarchizing thereof;

    select one or more range-finding regions in a predetermined order from the arranged range-finding regions; and

    perform a focusing operation by generating;

    a first evaluation value using one or more signals, from the imaging element, corresponding to each of the selected one or more range-finding regions; and

    a second evaluation value using one or more signals, from a source other than the imaging element, corresponding to predefined range-finding frames selected by a user; and

    a lens control unit configured to control a position of a focus lens based on the first evaluation value and the second evaluation value.

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