Light receiving device, control method, and electronic apparatus
The present technology relates to a light receiving device, a control method, and an electronic apparatus capable of suppressing saturation of a sensor that receives light. A control unit performs exposure control to control, in accordance with a photometry result of a photometry sensor that performs photometry by receiving light, exposure of another sensor of which a light receiving surface that receives light is divided into a plurality of blocks, the exposure control being performed for each block. The present technology can be applied, for example, an electronic apparatus such as a digital camera that receives light.
1. A light receiving device comprising:
a photometry sensor configured to perform photometry by receiving light;
at least one additional sensor of which a light receiving surface which receives light is divided into a plurality of blocks; and
a control unit configured to perform exposure control to control exposure of the at least one additional sensor for each block of the plurality of blocks based on a result obtained by the photometry performed by the photometry sensor,
wherein the photometry sensor is an electric view finder.
2. The light receiving device according to claim 1 ,
wherein one or both of a ranging sensor that performs ranging by receiving light and an image sensor that performs imaging by receiving light are included as the at least one additional sensor.
3. The light receiving device according to claim 1 ,
wherein the at least one additional sensor also serves as the photometry sensor.
4. The light receiving device according to claim 3 ,
wherein pixels that receive light and are included in the at least one additional sensor and photodiodes that receive light and are included in the photometry sensor are disposed on one substrate.
5. The light receiving device according to claim 3 ,
wherein the at least one additional sensor includes, in a stacked manner, a substrate in which pixels that receive light and are included in the at least one additional sensor are disposed and a substrate in which photodiodes that receive light and are included in the photometry sensor are disposed.
6. The light receiving device according to claim 1 ,
wherein the photometry sensor includes a plurality of pixels with different aperture ratios as photodiodes that receive light.
7. The light receiving device according to claim 1 ,
wherein the control unit performs setting of an exposure time or an addition number which adds an exposure result of exposure for a predetermined time as the exposure control.
8. The light receiving device according to claim 1 ,
wherein the photometry sensor and the at least one additional sensor receive light that has passed through a predetermined optical system.
9. The light receiving device according to claim 1 ,
wherein, in a case in which the photometry sensor receives light that has passed through a predetermined optical system and the at least one additional sensor receives light that has passed through an optical system different from the predetermined optical system, calibration is performed to cause a position at which a subject is shown in a photometry image obtained by receiving light in the photometry sensor to correspond to a position at which the same subject is shown in an image obtained by receiving light in the at least one additional sensor.
10. The light receiving device according to claim 1 ,
wherein a ranging sensor that performs ranging by receiving light is included as the at least one additional sensor, and
the light receiving device further comprises a light emitting portion configured to emit electromagnetic waves serving as light received by the ranging sensor.
11. A control method comprising:
performing exposure control to control, based on a photometry result of a photometry sensor that performs photometry by receiving light, exposure of at least one additional sensor of which a light receiving surface that receives light is divided into a plurality of blocks, the exposure control being performed for each block of the plurality of blocks,
wherein the photometry sensor is an electric view finder.
12. An electronic apparatus comprising:
an optical system configured to condense light; and
a light receiving device configured to receive light,
wherein the light receiving device includes
a photometry sensor that performs photometry by receiving light that has passed through the optical system,
at least one additional sensor of which a light receiving surface that receives light that has passed through the optical system or an optical system different from the optical system is divided into a plurality of blocks, and
a control unit that performs exposure control to control exposure of the at least one additional sensor for each block of the plurality of blocks based on a photometry result of the photometry sensor,
wherein the photometry sensor is an electric view finder.