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Apparatus and method executed by apparatus

專利號(hào)
US11968446B2
公開(kāi)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(shuō)明書(shū)

Although not illustrated in FIG. 3, the binocular lens unit 300 has a configuration similar to the AF drive circuit 204. In this case, an AF drive circuit that drives the focus lenses of the right eye optical system 301R and the left eye optical system 301L in tandem, and at least one AF drive circuit that drives the focus lens of at least one of the right eye optical system 301R and the left eye optical system 301L independently, can be provided. The focus lens is driven by the lens system control circuit 303 based on the control of the system control unit 218 (adjusting unit).

The binocular lens unit 300 further includes an encoder that detects a rotation amount and a rotation direction of a focus ring provided on the lens barrel. The lens system control circuit 303 controls the AF drive circuit according to focus lens operations detected by the encoder, and provides what is known as a “by wire” manual focus function. In this case, the binocular lens unit 300 may have a switch that enables the user to switch the focus lens driven by the focus ring operations.

權(quán)利要求

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