摘要:
An optical modulation device for effecting optical modulation by controlling the diffraction phenomenon of light, which not only consumes a small amouhnt of the driving energy employed, such as a electric power, but which is also capable of improvements in reliability.
摘要:
An image capturing apparatus is provided. The apparatus comprises an imaging lens, an image sensor, and a plurality of microlenses. The apparatus also comprises an image processing unit configured to generate a reconstruction image at a predetermined refocus plane by performing refocus processing on the image data that was output from the image sensor, and determine whether or not a subject appears in the reconstruction image. The recording unit of the apparatus records the image data that was output from the image sensor and record information regarding the subject that was determined to appear by the image processing unit as auxiliary information in association with the image data.
摘要:
An image capture apparatus comprises an image sensor which photo-electrically converts an object image formed by an imaging lens, the image sensor including a first pixel group having a first light-receiving area, and a second pixel group which is discretely arranged in the first pixel group and configured by dividing a light-receiving area substantially equal in area to the first light-receiving area into a second light-receiving area and a third light-receiving area different in area from the second light-receiving area, and control means for integrally controlling the second light-receiving area of the second pixel group and the first light-receiving area of the first pixel group.
摘要:
A focus detection device having imaging pixels and focus-detecting pixels using a phase-difference focus detection method implements high-precision focus detection. In the focus detection device, a plurality of pixels each having a photoelectric conversion unit for converting an incident light flux into signal charges, and a microlens having a focus position near the photoelectric conversion unit are arranged. The plurality of pixels include a plurality of imaging pixels for generating a shot image, and a plurality of focus-detecting pixels for generating an image signal for focus detection by the phase-difference focus detection method. An opening for giving a pupil division function to the focus-detecting pixel is formed using electrodes arranged to read out signal charges from the photoelectric conversion unit.
摘要:
An image-pickup element includes an image-pickup pixel configured to photoelectrically convert light from an image-pickup lens to generate an image of an object, and a first focus detection pixel and a second focus detection pixel configured to receive light having passed through part of an area of an exit pupil of the image-pickup lens, and an electrode part of the first focus detection pixel and an electrode part of the second focus detection pixel are arranged at ends of a photoelectrical conversion part that are opposite to each other in a pupil diving direction of the first focus detection pixel and the second focus detection pixel.
摘要:
A camera 200 comprises an image pickup element 107 which has imaging pixels performing a photoelectric conversion of an object image formed by a light beam emitted from an image pickup optical system and focus detection pixels performing a photoelectric conversion of two images formed by two divided light beams, a focus detector which obtains first and second pairs of image signals having optical base lengths different from each other from the focus detection pixels, a selector which selects one of the first and second pairs of image signals based on at least one correlation amount of the first and second pairs of image signals, and a calculator which calculates a defocus amount based on the selected pair of image signals.
摘要:
An image sensor that output a signal for detecting a focus state of a photographing lens. The image sensor includes a microlens; a light-receiving pixel; a first focus state detection pixel pair for outputting a focus state detection signal, in which aperture areas of the first focus state detection pixel pair are small in comparison to the light-receiving pixel; and a second focus state detection pixel pair for outputting a focus state detection signal, in which aperture areas of the second focus state detection pixel pair are small in comparison to the light-receiving pixel, wherein the second focus state detection pixel pair is arranged at a position that is shifted by a predetermined amount relative to each aperture position, with respect to the microlens of the first focus state detection pixel pair.
摘要:
According to this invention, light incident on a microlens at a large incident angle can be efficiently guided to a photo-electric converting portion in a solid state image sensor. In a solid state image sensor having a plurality of pixels, each of the plurality of pixels includes a microlens which condenses light, a photo-electric converting portion which photoelectrically converts light condensed by the microlens, a metal electrode layer which is interposed between the microlens and the photo-electric converting portion and has an opening at a position corresponding to the optical path of light traveling from the microlens toward the photo-electric converting portion, and a transparent film layer which is interposed between the microlens and the photo-electric converting portion and has a convex lens-shaped portion that is convex on the microlens side. At least part of the convex lens-shaped portion in the direction of thickness extends into the opening formed in the metal electrode layer.
摘要:
This invention realizes high-precision exposure regardless of the F-number of an image sensing lens in photography. One pixel includes a first light-receiving region (119c) which includes a region where the principal ray of an image sensing lens is incident, and second light-receiving regions (119a, 119b) which do not include the region where the principal ray of the image sensing lens is incident. The first light-receiving region (119c) is sandwiched between the two second light-receiving regions (119a, 119b).
摘要:
An optical apparatus including a detecting unit for detecting sight line direction of a human eye, a correcting data forming unit, electrically connected to the detecting unit, for forming correcting data as to personal difference of a human eye, a visual mark presenting unit electrically coupled to the correcting data forming unit for presenting a plurality of focus point detecting frames for sampling correcting data at different positions in a visual field and being capable of flickering and lighting without flickering, and a control unit for controlling the apparatus on the basis of the sight line direction and the correcting data.