An imaging device and a focusing control method are provided. The imaging device includes: an imaging element, having pixels including phase-difference detecting pixels and imaging a subject through an imaging optical system including a focus lens; and a focusing controller, selectively performing focusing control using a phase difference AF method or focusing control using a contrast AF method in a mode in which focusing control for focusing on a main subject by driving the focus lens is continuously performed multiple times. The focusing controller performs the focusing control using the contrast AF method in a case where a state in which a degree of reliability of the focusing control using the phase difference AF method is equal to or less than a threshold value persists N times (N=2 or more), while the focusing control using the phase difference AF method is continuously performed.

Image plane phase difference pixels that can handle incident light at two or more chief ray angles are realized. A solid-state imaging device includes a pixel, the pixel including a microlens that condenses light from a subject, a photoelectric conversion unit that receives the subject light condensed by the microlens to generate an electrical signal according to an amount of received light, and a light shielding portion provided between the photoelectric conversion unit and the microlens. The light shielding portion includes an edge portion formed across over a light receiving surface of the photoelectric conversion unit, and the edge portion includes a first edge portion and a second edge portion at positions different from each other both in a first direction corresponding to an up and down direction of an output image and a second direction corresponding to a left and right direction of the output image.

A focus adjustment device comprising: a first detector which detects a focused state by a contrast detection system; second detectors which detect a focused state by a phase difference detection system; and a control unit which controls the first detector and second detectors so as to detect the focused state by the second detectors when detecting the focused state by the first detector.

An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.

An imaging device suitable for focus detection of a pupil division phase difference method includes: a light receiving unit provided on a first surface side of a semiconductor substrate and having a plurality of pixels arranged in a two-dimensional form; and a read-out circuit provided on a second surface side of the semiconductor substrate opposite to the first surface side and configured to read signals from the pixels. Each of pixels has at least two photoelectric conversion elements and a separation region which is a region between the two photoelectric conversion elements and a separation region control electrode arranged on the second surface side of the separation region and configured to control a potential of the separation region.

An image sensor, a focusing control method, and an electronic device are disclosed. The image sensor includes: a photosensitive unit array, a filter unit array disposed above the photosensitive unit array, and a micro-lens array located above the filter unit array. The photosensitive cell array includes one or more focusing photosensitive cells and multiple non-focusing photosensitive cells. Each of the focusing photosensitive cells includes multiple photosensitive pixels. The micro-lens array includes one or more first micro-lenses and multiple second micro-lenses; wherein each of the focusing photosensitive cells is covered by a corresponding one of the first micro-lenses, and each of the non-focusing photosensitive cells is covered by N*N of the second micro-lenses; wherein N is a positive integer.

An image sensor includes: first pixels, each of which receives a pair of light fluxes and outputs a pair of first analog signals; an A/D conversion unit that converts each of pairs of first analog signals to a pair of first digital signals; a digital adder unit that generates digital sum signals each by adding together the pair of first digital signals among pairs of first digital signals; a first output unit that outputs pairs of first digital signals to an external recipient; and a second output unit that outputs the digital sum signals to an external recipient.

The present disclosure provides a photography processing method for a camera module, a terminal, and a computer-readable storage medium. The method includes: controlling the photosensitive unit array to enter a focusing mode; reading a first set of output values of the M pairs of first focusing photosensitive units; reading a second set of output values of the N pairs of second focusing photosensitive units; performing focusing control according to the first set of output values and the second set of output values.

The present disclosure discloses a dual-core focusing image sensor, a focusing control method for the same and an electronic device. The dual-core focusing image sensor includes an array of photosensitive pixels, an array of filter units arranged on the array of photosensitive pixels and an array of micro lenses arranged above the array of filter units. The array of micro lenses includes at least one first micro lens and a plurality of second micro lenses, each second micro lens is corresponding to one photosensitive pixel, each first micro lens is corresponding to one focusing photosensitive unit, each focusing photosensitive unit includes N*N photosensitive pixels, and at least a part of the focusing photosensitive unit is covered by a white filter unit, where N is an even number greater than or equal to 2.

An image pickup apparatus that is capable of obtaining a defocus amount for focus detection with high accuracy at high speed with a simple configuration even in a time of image stabilization. The image pickup apparatus including a memory device that stores a set of instructions, and at least one processor that executes the set of instructions to obtain optical parameters about an image pickup optical system and an image sensor as reference information, correct the reference information based on a relative moving amount of the image sensor with respect to an optical axis of the image pickup optical system, obtain a control parameter corresponding to corrected reference information by referring to an information data set that stores the control parameter used for finding a defocus amount for focus detection in association with the reference information, and find the defocus amount based on the control parameter obtained.