Abstract: A control apparatus for a camera system that includes a lens apparatus including a first optical system and a second optical system and configured to move them relative to each other, and an image pickup apparatus including an image sensor and detachably attachable to the lens apparatus includes a processor configured to acquire a first evaluation value of the first optical system at a first focus detection position corresponding to the first optical system, determine a second focus detection position corresponding to the second optical system based on an first object image formed by the first optical system and a second object image formed by the second optical system, acquire a second evaluation value of the second optical system at the second focus detection position, and move the first optical system and the second optical system based on the first evaluation value and the second evaluation value.

Abstract: A lens apparatus attachable to an image pickup apparatus includes a first optical system, a second optical system, and a driving unit that moves at least one of the first optical system and the second optical system in an optical axis direction. The lens apparatus is configured to switch between a first driving mode for performing autofocus by moving both the first optical system and the second optical system in optical axis directions of the first optical system and the second optical system via the driving unit, and a second driving mode for adjusting a difference in imaging position for a same object image between the first optical system and the second optical system by moving the at least one of the first optical system and the second optical system in the optical axis direction via the driving unit.

Abstract: A lens apparatus includes a lens mount to which a camera body is attached, a mount cover provided at the lens mount, a filter, and a filter holding member that holds the filter. The filter holding member is attachable to the mount cover.

Abstract: An image pickup apparatus capable of eliminating a manual change of an image pickup direction and of easily obtaining an image while focusing attention on experience. A detection unit is worn on a body part other than a head of a user and detects an observation direction of the user. An image pickup unit is worn on the body part and picks up an image. A determination unit determines a recording direction in accordance with the observation direction. An image recording unit records an image corresponding to the recording direction from among a picked-up image. The detection unit and the image pickup unit are located on a user's median plane and under a user's jaw in a worn state where the user wears the image pickup apparatus. The detection unit is located at a nearer position to the jaw than the image pickup unit in the worn state.

Abstract: A lens mount is configured to enable a lens apparatus that includes a first optical system and a second optical system to be attached to and detached from an image pickup apparatus. The lens mount includes a cover member having a first opening for the first optical system and a second opening for the second optical system, and a filter member movable between a first state in which the filter member retreats from the first opening and the second opening and a second state in which the filter member enters the first opening and the second opening. The filter member becomes in the first state by simultaneously retreating from the first opening and the second opening, and becomes in the second state by simultaneously entering the first opening and the second opening.

Abstract: A lens apparatus includes a first optical system, a second optical system, a first focus adjusting unit configured to simultaneously adjust focus of the first optical system and the second optical system, and a second focus adjusting unit configured to adjust a relative shift of focus positions of the first optical system and the second optical system. The first focus adjusting unit is connected to both the first optical system and the second optical system. The second focus adjusting unit is connected to one of the first optical system and the second optical system.

Abstract: A display apparatus according to the present invention is to be fixed on a head of a user, and includes: an image sensor configured to be capable of changing focal distance; a display configured to display, as a display range, a part of an image which is captured by the image sensor; an orientation detector configured to detect an orientation of the display apparatus; and at least one memory and at least one processor which function as a control unit configured to control a position of the display range based on a change of the orientation detected by the orientation detector, and the focal distance.

Abstract: A stereo lens apparatus includes two optical systems arranged in parallel. Each of the two optical systems includes, in order from an object side to an image side, first to third lens units. An optical path is bent at a position between the first and second lens units and at a position between the second and third lens units in each of the two optical systems so that an inter-optical axis distance between two third lens units is narrower than an inter-optical axis distance between two first lens units. Part of one holding mechanism of two holding mechanisms that are configured to respectively hold the two third lens units is located in a concave portion provided on the other holding mechanism, and part of the other holding mechanism is located in a convex portion provided on the one holding mechanism.

Abstract: An image pickup apparatus capable of eliminating a manual change of an image pickup direction and of easily obtaining an image while focusing attention on experience. A detection unit is worn on a body part other than a head of a user and detects an observation direction of the user. An image pickup unit is worn on the body part and picks up an image. A determination unit determines a recording direction in accordance with the observation direction. An image recording unit records an image corresponding to the recording direction from among a picked-up image. The detection unit and the image pickup unit are located on a user's median plane and under a user's jaw in a worn state where the user wears the image pickup apparatus. The detection unit is located at a nearer position to the jaw than the image pickup unit in the worn state.

Abstract: A display device configured to be used in a state of being fixed to a head of a user, includes: a camera; a display configured to display a part of an image captured by the camera as a display range; an orientation detection sensor configured to detect an orientation of the display device; a line-of-sight detection sensor configured to detect a line-of-sight of the user to the display; and a processor configured not to control a position of the display range based on the line-of-sight detected by the line-of-sight detection sensor in a case where a change amount of the orientation detected by the orientation detection sensor is smaller than a predetermined amount, and to control the position of the display range based on the line-of-sight in a case where the change amount of the orientation is larger than the predetermined amount.

Abstract: A lens barrel includes first and second rack members that movably support the first and second holding members in the optical axis direction, and first and second driving members that drive the first and second holding members. The first and second guide shafts that guide the movement of the first and second holding members and the first and second guide shafts that drive the third holding member in the first and second directions orthogonal to each other in the optical axis direction and orthogonal to each other. It has a two-coil unit and a correction unit including first and second urging members that urge the third holding member in the optical axis direction, and has a first rack member, a first drive member, a first guide shaft, and a correction unit. A predetermined arrangement is satisfied.

Abstract: A display apparatus according to the present invention is to be fixed on a head of a user, and includes: an image sensor configured to be capable of changing focal distance; a display configured to display, as a display range, a part of an image which is captured by the image sensor; an orientation detector configured to detect an orientation of the display apparatus; and at least one memory and at least one processor which function as a control unit configured to control a position of the display range based on a change of the orientation detected by the orientation detector, and the focal distance.

Abstract: A lens barrel that is capable of miniaturizing and thinning an image pickup apparatus by enabling to switch manual lens drive and electric lens drive with a simple mechanism. A lens barrel is mounted on an image pickup apparatus that supports an operation member rotatably. A drive barrel engages with a lens holding member to drive it in an optical axis direction. A motor transfers rotation to the drive barrel through a transfer mechanism. A switching mechanism switches between electric lens drive that drives the lens holding member by transferring rotation of the motor to the drive barrel and manual lens drive that drives the lens holding member by transferring rotation of the operation member to the drive barrel via an elastic member that rotates together with the operation member according to a user's operation. The drive barrel engages with the elastic member while shifting to a photographing area.

Abstract: An electronic apparatus that is capable of obtaining a correct base length even if at least one of photographing modules is attached to any slot different from an original slot at any timing. First and second photographing modules are respectively attached to any two of attachment regions of a body of the electronic apparatus. A photographing unit photographs in a compound eye mode using the photographing modules. An obtaining unit obtains two pieces of coordinate information about optical axes of the photographing modules from the photographing modules. A storage unit stores positional information about the attachment regions. A calculation unit calculates a base length by obtaining the coordinate information about the optical axes and the positional information about the attachment regions in a case where one of a state of the photographing modules and a state of the body of the electronic apparatus changes.

Abstract: An optical apparatus includes an image-forming optical system with a changeable focal length, an image pickup device configured to capture an image formed by the image-forming optical system and to output an image signal, and at least one processor or circuit programmed to function as a display control unit configured to control a display unit configured to display an image based on the image signal and a notification control unit configured to control a notification unit provided separately from the display unit and configured to notify a user of information regarding the focal length of the image-forming optical system. The notification control unit causes a notification method of information regarding the focal length by the notification unit to be changed based on the focal length.

Abstract: A digital camera controls a blur correction lens used to correct image blur occurring due to vibration applied to the digital camera. The digital camera controls a focus lens used for focus adjustment and a zoom lens used to change an angle of view in connection with driving of the blur correction lens during exposure to an image sensor.

Abstract: An electronic apparatus that achieves a function of a compound eye camera using a plurality of photographing modules and that improves AF accuracy even if environmental conditions vary or even if a state is changed by impact from outside. The electronic apparatus includes two photographing modules. A first obtaining unit performs contrast AF by one of the two photographing modules to obtain a first focus detection result. A second obtaining unit calculates an object distance from parallax information between the two photographing modules to obtain a second focus detection result. A correction unit corrects a calculation result of the object distance obtained by the second obtaining unit in a case where a state of at least one of the two photographing modules and a body of the electronic apparatus varies and where a difference between the first and second focus detection results is more than a threshold.

Abstract: An image stabilization apparatus includes: a driving control unit that drives an image stabilization unit to optically correct image blur of an object image caused by a shake of an apparatus, the image stabilization unit moving the object image on a screen of an image sensor; and a focus control unit that performs control to drive a focusing lens in coordination with an operation of the image stabilization unit, the focusing lens being used to perform focus adjustment in an imaging optical system.

Abstract: A digital camera controls a blur correction lens used to correct image blur occurring due to vibration applied to the digital camera. The digital camera controls a focus lens used for focus adjustment and a zoom lens used to change an angle of view in connection with driving of the blur correction lens during exposure to an image sensor.

Abstract: An optical apparatus includes an image-forming optical system with a changeable focal length, an image pickup device configured to capture an image formed by the image-forming optical system and to output an image signal, and at least one processor or circuit programmed to function as a display control unit configured to control a display unit configured to display an image based on the image signal and a notification control unit configured to control a notification unit provided separately from the display unit and configured to notify a user of information regarding the focal length of the image-forming optical system. The notification control unit causes a notification method of information regarding the focal length by the notification unit to be changed based on the focal length.