发明名称 LENS APPARATUS AND IMAGING APPARATUS
摘要 <p>A lens apparatus includes a first lens unit and a second lens unit each of which is configured to move in an optical axis direction, a first cam tube that includes a first cam part and a second cam part respectively on an outer circumferential surface and an inner circumferential surface and moves the first and second lens units respectively in the optical axis direction using the first and second cam parts as the first cam tube rotates around an optical axis, and a linearly moving guide tube that is arranged on an inner circumferential side of the first cam tube and configured to guide the first and second lens units in the optical axis direction.</p>
申请公布号 EP2203772(A1) 申请公布日期 2010.07.07
申请号 EP20080835933 申请日期 2008.10.03
申请人 CANON KABUSHIKI KAISHA 发明人 KUDOH, TOMOYUKI
分类号 G02B7/04 主分类号 G02B7/04
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