Abstract: A head-mounted display (HMD) includes an electronic viewfinder. An angle selection type transmission element is provided on an optical path of the electronic viewfinder. The angle selection type transmission element is provided at a location facing an eyepoint and includes a plurality of opening portions as a limiter that limits a passage direction of light to a predetermined range. In the angle selection type transmission element, limitation angle range in the passage direction of the light is different in at least two regions and light in a direction other than the eyepoint can be limited or blocked.

Abstract: A head-mounted display (HMD) having a line-of-sight detection function includes angle selection type transmission elements that are disposed in a finder optical path for eyes of a user, respectively, a light projecting unit and a light receiving unit for line-of-sight detection, and is configured to be capable of adjusting a direction of a finder to a detected line-of-sight direction. The angle selection type transmission elements have first to third opening portions with different directions. The first and second opening portions limit a passage direction of light in first and second regions in a finder optical path, respectively. The third opening portion is formed around a line connecting an eye point and the light receiving unit.

Abstract: An image capturing apparatus comprises an image sensor, a display, a processor; and a memory holding a program which makes the processor function as a focus detection unit for detecting a focus position of the imaging lens, an imaging control unit configured to carry out the focus bracketing, and a display control unit configured to cause the display device to display a guide indicating a first area and a second area before the focus bracketing is carried out, the first area being an area in which an object suitable for focus detection of the imaging lens by the focus detection unit is arranged, and the second area being an area in which an object suitable for a user to determine an image that is in focus is arranged.

Abstract: An image pickup apparatus that is capable of correcting an in-focus position even if a state of an optical system changes. A focus detecting unit receives an incident light beam from an object. The focus detecting unit includes a focus detecting sensor that converts a light amount distribution of an object image into an electrical signal, an image forming lens that makes the incident light beam form object images on the sensor, a field mask arranged at the object side of the lens and having an opening for defining an image field of the object images, a storage unit that stores an initial value about the opening that is comparable with the output signal, and a correction unit that sets a correction value for detecting a focusing state to an object based on a value about the opening calculated from the output signal and the initial value.

Abstract: An apparatus includes a sensor outputting a first signal having a parallax, an image sensor outputting a second signal having a parallax, at least one processor, and a memory holding a program which makes the processor function as an acquisition unit configured to acquire an adjustment value. The acquisition unit selects a mode from a plurality of modes and acquires the adjustment value in the selected mode, the plurality of modes including a first mode for acquiring the adjustment value based on the result of the focus detection which is based on the first signal and a second mode for acquiring the adjustment value by a method different from a method in the first mode based on the result of the focus detection based on the first signal and a result of the focus detection which is based on the second signal.

Abstract: An image capturing apparatus comprises an image sensor, a display, a processor; and a memory holding a program which makes the processor function as a focus detection unit for detecting a focus position of the imaging lens, an imaging control unit configured to carry out the focus bracketing, and a display control unit configured to cause the display device to display a guide indicating a first area and a second area before the focus bracketing is carried out, the first area being an area in which an object suitable for focus detection of the imaging lens by the focus detection unit is arranged, and the second area being an area in which an object suitable for a user to determine an image that is in focus is arranged.

Abstract: An apparatus includes a sensor outputting a first signal having a parallax, an image sensor outputting a second signal having a parallax, at least one processor, and a memory holding a program which makes the processor function as an acquisition unit configured to acquire an adjustment value. The acquisition unit selects a mode from a plurality of modes and acquires the adjustment value in the selected mode, the plurality of modes including a first mode for acquiring the adjustment value based on the result of the focus detection which is based on the first signal and a second mode for acquiring the adjustment value by a method different from a method in the first mode based on the result of the focus detection based on the first signal and a result of the focus detection which is based on the second signal.

Abstract: A pair of pupil regions of an exit pupil, through which light beams received by a pair of photoelectric conversion units included in a pixel portion of a first image sensor respectively pass, are overlapped. A pair of pupil regions of an exit pupil, through which light beams received by a pair of photoelectric conversion units included in a pixel portion of a second image sensor respectively pass, are overlapped. A second base length, which is a distance between centroids of the pair of pupil regions corresponding to the pair of photoelectric conversion units included in the pixel portion of the second image sensor, is longer than a first base length, which is a distance between centroids of the pair of pupil regions corresponding to the pair of photoelectric conversion units included in the pixel portion of the first image sensor.

Abstract: A focus detection apparatus includes a focus detection unit configured to detect a focus state in each of a plurality of focus detection regions, an acquisition unit configured to acquire an adjustment value used for adjustment of a detection result, for each of the focus detection regions, and a control unit configured to switch between a first mode and a second mode based on focus states detected in the focus detection regions. In the first mode, the acquisition unit acquires the adjustment values for the focus detection regions, based on a focus state in a specific first focus detection region. In the second mode, the acquisition unit acquires the adjustment value for each of the focus detection regions, based on a focus state detected in each of the focus detection regions.

Abstract: A pair of pupil regions of an exit pupil, through which light beams received by a pair of photoelectric conversion units included in a pixel portion of a first image sensor respectively pass, are overlapped. A pair of pupil regions of an exit pupil, through which light beams received by a pair of photoelectric conversion units included in a pixel portion of a second image sensor respectively pass, are overlapped. A second base length, which is a distance between centroids of the pair of pupil regions corresponding to the pair of photoelectric conversion units included in the pixel portion of the second image sensor, is longer than a first base length, which is a distance between centroids of the pair of pupil regions corresponding to the pair of photoelectric conversion units included in the pixel portion of the first image sensor.

Abstract: A focus detection apparatus includes a focus detection unit configured to detect a focus state in each of a plurality of focus detection regions, an acquisition unit configured to acquire an adjustment value used for adjustment of a detection result, for each of the focus detection regions, and a control unit configured to switch between a first mode and a second mode based on focus states detected in the focus detection regions. In the first mode, the acquisition unit acquires the adjustment values for the focus detection regions, based on a focus state in a specific first focus detection region. In the second mode, the acquisition unit acquires the adjustment value for each of the focus detection regions, based on a focus state detected in each of the focus detection regions.

Abstract: The image pickup apparatus includes an image sensor having first and second pixels photoelectrically convert light fluxes passing through mutually different pupil areas, a correction calculating part calculating a correction parameter corresponding to a vignetting state of the light fluxes and performing a correction process using the correction parameter on first and second image signals produced from outputs from the first and second pixels, and a focus detection calculating part calculating a focus state of the image taking optical system based on a phase difference between the first and second image signals on which the correction process have been performed. The correction calculating part performs the correction process using a first correction parameter in the first focus detection area, and performs it using the first correction parameter in a second focus detection area close to the first focus detection area.