LENS DEVICE, IMAGE CAPTURING DEVICE, METHOD OF CONTROLLING LENS DEVICE, AND PROGRAM

• Main Authors: MIZUNO NOBUTAKA, KIKUCHI KOTARO
• Format: Patent
• Language: English; Japanese
• Published: 08.07.2022
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ELECTROGRAPHY; HOLOGRAPHY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHOTOGRAPHY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

To provide a lens device capable of accurately detecting a defocus amount when using a catoptric system.SOLUTION: A lens device (700) can be removably attached to a camera body (100), and comprises a catoptric system (701B), storage means (409) configured to store aperture information based on optical conditions of the lens device (700), and transmission means (408) configured to transmit the aperture information acquired from the storage means (409) to the camera body (100).SELECTED DRAWING: Figure 10 【課題】反射光学系を用いた場合に正確なデフォーカス量を検出可能なレンズ装置を提供する。【解決手段】カメラ本体（１００）に着脱可能なレンズ装置（７００）であって、反射光学系（７０１Ｂ）と、レンズ装置（７００）の光学条件に基づく開口情報を記憶する記憶手段（４０９）と、記憶手段（４０９）から取得した開口情報をカメラ本体（１００）に送信する送信手段（４０８）とを有する。【選択図】図１０