An image capturing apparatus comprises an image sensor for capturing a subject image, a focus detection unit configured to, based on an image signal obtained by photoelectrically converting the subject image while performing a scan operation that causes a focus lens to move along an optical axis, calculate a focus evaluation value and detect a position of the focus lens at which the focus evaluation value is a maximum, and a calculation unit configured to, in a case where the imaging optical system includes a reflective optical system, calculate, based on information on the reflective optical system and information on an image forming position for each of a plurality of different spatial frequencies, a correction value for correcting a focus detection result of the focus detection unit.

There is provided an image processing device including a subject distance change determination unit configured to detect a temporal change of a distance from an imaging position to each subject present in an image and determine a tendency toward approach or recession of the each subject with respect to the imaging position on the basis of the detection, and a main subject determination unit configured to determine a main subject on the basis of the tendency toward approach or recession of the each subject determined by the subject distance change determination unit.

Provided is an imaging apparatus and an imaging method that sets a type of a subject as a focusing target in each imaging. The imaging apparatus includes an image sensor that acquires an image, and an operation unit that selects a type of the subject as the focusing target in each imaging of the image acquired by the image sensor. In the case where the type of the subject as the focusing target is selected by the operation unit, a microcomputer detects an area of the subject of that type from the image and sets the detected area as an in-focus area of the image.

A solid-state imaging device, for reduction of reflection of incident light at a sidewall surface of a light blocking layer of each phase difference detection pixel, includes: a normal pixel for generating a pixel signal; and a phase difference detection pixel for generating a phase difference signal for image plane phase difference AF. In this solid-state imaging device, the normal pixel and the phase difference detection pixel each include a photoelectric conversion layer and a lens for gathering incident light onto the photoelectric conversion layer, the phase difference detection pixel includes a light blocking layer having an apertural portion with an aperture deviating from the optical axis of the lens, and an antireflection portion that prevents reflection of the incident light gathered by the lens unit is formed on the light blocking layer. The present disclosure can be applied to back-illuminated CISs.

The present disclosure relates to an image pickup device that enables inhibition of occurrence of color mixture or noise, and an electronic apparatus. The image pickup device of the present disclosure includes an image plane phase difference detection pixel for obtaining a phase difference signal for image plane phase difference AF. The image plane phase difference detection pixel includes: a first photoelectric conversion section that generates an electric charge in response to incident light; an upper electrode section that is one of electrodes disposed facing each other across the first photoelectric conversion section, the upper electrode section being formed on an incident side of the incident light on the first photoelectric conversion section; and a lower electrode section that is another of the electrodes disposed facing each other across the first photoelectric conversion section, the lower electrode section being formed on an opposite side of the incident side of the incident light on the first photoelectric conversion section, the lower electrode section being multiple-divided at a position that avoids a center of the incident light. The present disclosure is applicable to image sensors.

The present invention concerns an image conversion module (09) that comprises an optical interface (10) for establishing an optical path (07). The image conversion module (09) further comprises a beam splitting element (13) on the optical path (07). The beam splitting element (13) is configured for splitting a beam entering the optical interface (10) on the optical path (07) into a first optical subpath (14) and a second optical subpath (16). The image conversion module (09) further comprises a microelectromechanical optical system (17) that is configured for enhancing a depth of field on the first optical subpath (14) that is directed to a first optoelectronic submodule (21), which comprises an image sensor (22). The image conversion module (09) further comprises a second optoelectronic submodule (24) that comprises an electronic sensor (26) on the second optical subpath (16). The second optoelectronic submodule (24) is configured for acquiring additional data on the sample (02). Furthermore, the present invention concerns a method for applying said image conversion module (09).

An observation device, comprising an image sensor that forms images of a specimen and outputs an image signal, an AF detection circuit that calculates evaluation values based on the image signal, and a focus control circuit that controls focus position based on the evaluation values, wherein the AF detection circuit calculates a plurality of evaluation values based on signals relating to a plurality of frequency bands of the image signal, and the focus control circuit controls focus position based on maximum value or minimum value of the plurality of evaluation values.

A control apparatus includes a calculation unit configured to perform a focus detection by a phase difference detection method based on an image signal output from an image sensor, and to calculate a defocus amount, and a focus control unit configured to control a focus lens based on the defocus amount. When a predetermined condition is satisfied, the focus control unit changes a driving speed of the focus lens based on information on a luminance or contrast of the image signal. At least one processor or circuit is configured to perform a function of at least one of the units.

There is disclosed a camera module manufacturing apparatus for joining together a lens unit that incorporates a taking lens and a sensor board to which an image sensor is attached. The camera module manufacturing apparatus includes an optical unit including a collimator lens and a measurement chart for forming an image of the measurement chart on the image sensor through the taking lens. The relative position of the lens unit and the sensor board is adjusted based on an image signal obtained by converting, using the image sensor, an image of the measurement chart that is formed on the image sensor by the optical unit. The measurement chart is disposed to be tilted with respect to a plane that is perpendicular to an optical axis of the collimator lens.

The present disclosure relates to an image pickup device that enables inhibition of occurrence of color mixture or noise, and an electronic apparatus. The image pickup device of the present disclosure includes an image plane phase difference detection pixel for obtaining a phase difference signal for image plane phase difference AF. The image plane phase difference detection pixel includes: a first photoelectric conversion section that generates an electric charge in response to incident light; an upper electrode section that is one of electrodes disposed facing each other across the first photoelectric conversion section, the upper electrode section being formed on an incident side of the incident light on the first photoelectric conversion section; and a lower electrode section that is another of the electrodes disposed facing each other across the first photoelectric conversion section, the lower electrode section being formed on an opposite side of the incident side of the incident light on the first photoelectric conversion section, the lower electrode section being multiple-divided at a position that avoids a center of the incident light. The present disclosure is applicable to image sensors.