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Apparatus and method executed by apparatus

專利號(hào)
US11968446B2
公開日期
2024-04-23
申請(qǐng)人
CANON KABUSHIKI KAISHA（JP Tokyo）
發(fā)明人
Yumi Takao; Nobutaka Mizuno; Junichi Imamiya
IPC分類
H04N23/67; H04N23/63
技術(shù)領(lǐng)域
focus,image,defocus,in,optical,lens,unit,301l,301r,display
地域： Tokyo

摘要

An apparatus comprising a sensor capable of generating a signal pair used in focus detection. The apparatus obtains, based on a defocus amount obtained using the signal pair, a focus distance of a lens unit that is mounted to the apparatus and adjusts a focus distance of the lens unit based on the obtained focus distance. When the lens unit is a multi-scopic lens unit having a plurality of optical systems having different axes, the apparatus obtains the focus distance using an adjustment value obtained based on an axis position that is a position on the sensor through which an axis of the multi-scopic lens unit passes.

說明書

In the third embodiment, the difference in the degree of focus between the right eye optical system 301R and the left eye optical system 301L (the difference in the defocus amounts obtained for the right image and the left image, respectively) was obtained. Using this difference, the difference in the degree of focus between the imaging optical systems (focus distance shift) can be automatically adjusted by adjusting the focus lens of the right eye optical system 301R or the left eye optical system 301L.

FIG. 19 is a flowchart pertaining to processing for adjusting shift between imaging optical systems, executed by the system control unit 218. This processing is realized by the system control unit 218 loading a program recorded in the non-volatile memory 220 into the system memory 219 and executing the program. The shift adjustment processing may be executed in response to a user instruction, or executed automatically at a predetermined timing. An example of the predetermined timing may be when the system control unit 218 determines that the mounted lens unit is a multi-scopic lens unit (e.g., when the lens unit is replaced, when the camera 100 is started up, and the like).

When the operating mode of the camera 100 is the adjustment mode described in the third embodiment, the user adjusts the shift between the imaging optical systems through a manual operation. Therefore, the shift adjustment processing executed automatically by the system control unit 218 in the present embodiment may be executed when the operating mode is not the adjustment mode. Note that the shift adjustment processing is executed in parallel with the live view display operations.

權(quán)利要求

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