A substrate including a first surface and a second surface, a first region of a first conductivity type disposed at a first depth, a second region of the first conductivity type disposed at the first depth and separated from the first region, a third region of the first conductivity type disposed at a second depth shallower than the first depth, a first gate, a second gate, a third gate, and a microlens disposed such that transmitted light is incident on the first region, the second region, and the third region. Signal charges accumulated in the first region are read out through the third region and an impurity concentration of each of the first region and the second region is lower than an impurity concentration of the third region.

An image sensor includes a pixel portion in which a plurality of unit pixels each having one micro lens and a plurality of photoelectric conversion portions are arrayed in a matrix, a signal readout portion that reads out signals accumulated in the photoelectric conversion portions and converts the read signals to digital signals, a signal processor that processes signals read out by the signal readout portion and has an image capture signal processor that performs signal processing for generating a captured image on signals read out by the signal readout portion and a focus detection signal processor that performs signal processing for focus detection on signals read out by the signal readout portion, and an output portion that outputs signals processed by the signal processor.

A focusing apparatus includes a determination unit configured to determine whether an object is a moving object, and a focusing unit configured to perform focusing using information on driving of the focus lens generated based on the focus detecting signal in response to an operation of an operation unit. The determination unit determines whether the object is the moving object, using a first threshold before the operation of the operation unit, and using a second threshold different from the first threshold after the operation of the operation unit. The focusing unit performs first focusing that continuously performs the focusing when the determination unit determines that the object is the moving object before the operation of the operation unit, and performs the first focusing when the determination unit determines that the object is the moving object after performing second focusing that performs the focusing once.

The image pickup apparatus, a control method therefor, and a storage medium capable of maintaining detection accuracy of a line-of-sight position at the time of calibration even in a case where a focus controllable range changes due to a difference in a detachably mounted accessory. At a camera housing 1B, correction information about an individual difference of an eyeball is acquired by calibration based on a display position of an index in a finder thereof and a position of line-of-sight, of a user, detected by a line-of-sight detection circuit 201, the position of line-of-sight being poured into the index, and correction of the detected position of line-of-sight is performed using the correction information. Then, a position of line-of-sight, of the user, detected by the line-of-sight detection circuit 201, the line-of-sight position being poured into a through image is set to a focal frame. When one of the accessories is mounted thereon, a method for the calibration is changed according to a focus detection region acquired from the mounted accessory.

An image pickup apparatus attachable to and detachable from a lens apparatus includes an image sensor, an acquiring unit configured to acquire a hyperfocal length of the lens apparatus, and a setting unit configured to enable a user to change a diameter of a permissible circle of confusion for acquiring the hyperfocal length.

A control apparatus includes at least one processor and at least one memory storing instructions that, when executed by the at least one processor, cause the at least one processor to function as a setting unit and a selection unit. The setting unit is configured to set an object area indicating an object by using object information that includes information on a part of the object and is based on an image signal converted from an object image and to set a plurality of focus detection points by using the object area. The selection unit is configured to select, from the plurality of focus detection points in a selection area, a main focus detection point on which focusing is performed. In a case where the object is a vehicle, the selection unit makes the selection area narrower than the object area.

An apparatus includes a device that acquires an image signal by photoelectrically converting a light beam of a subject that has entered via an optical system including a focus lens, a setting unit that sets a first region in the image signal, a focus detection unit that detects a defocus amount for each divided region of a region in the image signal, a detection unit that detects a second region as a region of a specific subject, based on the image signal, and a control unit that controls the focus lens based on the defocus amount of the divided region included in the second region if the first region and the second region overlap, and controls the focus lens based on the defocus amount of the divided region included in the first region if the first region and the second region do not overlap.

A control apparatus for a lens apparatus to be detachably attached to an image pickup apparatus and including first and second focus lenses that are independently movable during focusing includes an acquisition unit for acquiring optical data that include information on a focus sensitivity of the first focus lens, and information on a focus sensitivity of the second focus lens, and a calculation unit for calculating a moving speed of the first focus lens using a target image plane speed acquired from the image pickup apparatus, target positions of the first and second focus lenses, current positions of the first and second focus lenses, and the optical data, and to calculate a moving speed of the second focus lens using the target positions of the first and second focus lenses, and the current positions of the first and second focus lenses.

There is provided a subject tracking apparatus. An obtainment unit obtains first and second shot images, and depth direction distance information in a plurality of regions in each of the first and second shot images. A specifying unit specifies a subject to be tracked in the first and second shot images based on the distance information of the first and second shot images. The specifying unit specifies a region of the subject to be tracked in the second shot image corresponding to a region of the subject to be tracked in the first shot image by comparing histograms of the distance information of the first and second shot images.

An image capturing apparatus comprises an image sensor in which a plurality of pixels are arranged, wherein the plurality of pixels output focus detection signals based on light flux that has passed through an imaging optical system, a shifting unit that shifts an incident position of the light flux on the image sensor; and a focus detection unit that performs focus detection using the focus detection signals. The shifting unit shifts the incident position by a predetermined distance which is equal to or less than a distance between the pixels of the image sensor corresponding to the focus detection signals during a charge accumulation period in the image sensor for acquiring the focus detection signals.