发明名称 焦点調整装置、焦点調整装置の制御方法、プログラム
摘要 PROBLEM TO BE SOLVED: To provide a focus adjustment device capable of stably focusing without uncomfortable feeling, when acquiring contrast of a subject and an AF evaluation value in accordance with a driving condition of a focus lens even when a shape of a mountain of the AF evaluation value changes.SOLUTION: An imaging device 1 includes: a focus evaluation calculation means for calculating an AF evaluation value; a first focus adjustment means for specifying a focusing position by the change of the AF evaluation value; and a plurality of focusing position vicinity specification means for specifying a focusing position vicinity by the change of acquired the plurality of the AF evaluation value; wherein a specification condition is more strictly set as the focusing position vicinity specification means whose specification accuracy is lower; and action of specifying the focusing position vicinity in the order in which the focusing position vicinity specification means whose specification accuracy is higher; and when the focusing position vicinity is firstly specified by any of the plurality of focusing position vicinity specification means, the focusing position is specified by the change of the AF evaluation value obtained by intermittently moving the focus lens.
申请公布号 JP5943759(B2) 申请公布日期 2016.07.05
申请号 JP20120163910 申请日期 2012.07.24
申请人 キヤノン株式会社 发明人 木本 賢志
分类号 G02B7/36;G02B7/28;G03B13/36;H04N5/232 主分类号 G02B7/36
代理机构 代理人
主权项
地址