An arrangement for determining an amount of light reaching an image sensor of a video camera, the video camera comprising an imaging lens system guiding a beam path towards an image sensor, wherein the arrangement comprises a transparent probing element through which the beam path passes on its way to the image sensor, and a light sensor arranged in an end of the transparent probing element. The light sensor is arranged to collect light being scattered or reflected in the transparent probing element.

An arrangement for determining an amount of light reaching an image sensor of a video camera is disclosed. The video camera comprises an imaging lens system guiding a beam path towards an image sensor and has an aperture plane where a variable aperture is arranged. The inventive arrangement comprises a light sensor arranged to probe light intensity continuously from a portion of the beam path, which portion is located in or near the aperture plane of the imaging lens system.

One embodiment provides a method, including: receiving, at an information handling device having a display, an indication to capture an image of a scene using a camera sensor positioned underneath the display; capturing, responsive to the receiving, a plurality of partial images of the scene, wherein the capturing comprises adjusting, using an adjustment mechanism, a physical position of the camera sensor after each of the plurality of partial images of the scene are captured; and stitching, subsequent to the capturing, the plurality of partial images together to form the image of the scene. Other aspects are described and claimed.

An arrangement for determining an amount of light reaching an image sensor of a video camera is disclosed. The video camera comprises an imaging lens system guiding a beam path towards an image sensor and has an aperture plane where a variable aperture is arranged. The inventive arrangement comprises a light sensor arranged to probe light intensity continuously from a portion of the beam path, which portion is located in or near the aperture plane of the imaging lens system.

An arrangement for determining an amount of light reaching an image sensor of a video camera, the video camera comprising an imaging lens system guiding a beam path towards an image sensor, wherein the arrangement comprises a transparent probing element through which the beam path passes on its way to the image sensor, and a light sensor arranged in an end of the transparent probing element. The light sensor is arranged to collect light being scattered or reflected in the transparent probing element.

A finder apparatus according to a first aspect of the present invention includes an optical finder for observing an optical image of a subject using an eyepiece portion, a display device that displays information, a half mirror that is arranged on an optical path of the optical finder, an electronically variable ND filter that is inserted on a subject side from the half mirror on the optical path of the optical finder, a brightness information acquisition unit that acquires brightness information of external light, a brightness measurement unit that measures brightness of the incident external light, and a transmittance calculation unit that calculates transmittance of the electronically variable ND filter in real time based on the measured brightness and the acquired brightness information.

A system includes a storage device storing a set of instructions and at least one processor in communication with the storage device. When executing the instructions, the at least one processor is configured to cause the system to obtain a first operation mode of the optical filter and determine a brightness value of visible light of ambient light. The at least one processor may also cause the system to obtain a brightness threshold related to the first operation mode, compare the brightness value of the visible light of the ambient light with the brightness threshold, and determine whether a switching condition is satisfied based on the comparison result. Upon the determination that the switching condition is satisfied, the at least one processor may further cause the system to switch the first operation mode of the optical filter to a second operation mode.

A system includes a storage device storing a set of instructions and at least one processor in communication with the storage device. When executing the instructions, the at least one processor is configured to cause the system to obtain a first operation mode of the optical filter and determine a brightness value of visible light of ambient light. The at least one processor may also cause the system to obtain a brightness threshold related to the first operation mode, compare the brightness value of the visible light of the ambient light with the brightness threshold, and determine whether a switching condition is satisfied based on the comparison result. Upon the determination that the switching condition is satisfied, the at least one processor may further cause the system to switch the first operation mode of the optical filter to a second operation mode.

An image sensor, a camera module, and an electronic device are provided. The image sensor includes a pixel array and a control circuit. The pixel array includes a plurality of row pixels and a plurality of column pixels. The control circuit is configured to receive a first instruction to control an intersection region of a part of the plurality of row pixels and a part of the plurality of column pixels to detect an illumination intensity. The control circuit is further configured to receive a second instruction to control at least part of the pixel array to acquire an image.

One embodiment provides a method, including: receiving, at an information handling device having a display, an indication to capture an image of a scene using a camera sensor positioned underneath the display; capturing, responsive to the receiving, a plurality of partial images of the scene, wherein the capturing comprises adjusting, using an adjustment mechanism, a physical position of the camera sensor after each of the plurality of partial images of the scene are captured; and stitching, subsequent to the capturing, the plurality of partial images together to form the image of the scene. Other aspects are described and claimed.