Imaging apparatus and imaging sensor
The pixel region includes a first phase difference pixel group including a plurality of the phase difference pixels of which the first side of the photoelectric conversion element is blocked by the light blocking layer in a first side region of the first side, and a second phase difference pixel group including a plurality of the phase difference pixels of which the second side of the photoelectric conversion element is blocked by the light blocking layer. The first phase difference pixel group includes a first A pixel and a first B pixel in which a light blocking area of the photoelectric conversion element using the light blocking layer is smaller than that of the first A pixel. The controller performs addition readout processing in which at least one of a pixel signal of the first A pixel or a pixel signal of the first B pixel is weighted in accordance with optical characteristics of the imaging lens.
1. An imaging apparatus comprising:
a pixel region in which a plurality of pixels are arranged and into which light is incident through an imaging lens; and
a controller that controls readout of a pixel signal from the pixel region,
wherein in the pixel region, phase difference pixels, each of which includes a photoelectric conversion element, and a light blocking layer, which blocks a part of light incident on the photoelectric conversion element, are arranged along a first direction,
in a case where one side in the first direction is set as a first side and the other side is set as a second side,
the pixel region includes a first phase difference pixel group including a plurality of the phase difference pixels of which the first side of the photoelectric conversion element is blocked by the light blocking layer in a first side region of the first side, and a second phase difference pixel group including a plurality of the phase difference pixels of which the second side of the photoelectric conversion element is blocked by the light blocking layer, and
the first phase difference pixel group includes a first A pixel and a first B pixel in which a light blocking area of the photoelectric conversion element using the light blocking layer is smaller than that of the first A pixel, and
the controller acquires information about a focal length of the imaging lens from the imaging lens and performs addition readout processing in which at least one of a pixel signal of the first A pixel or a pixel signal of the first B pixel is weighted in accordance with the acquired information,
wherein the controller changes the weight in a case where the focal length is changed during a motion picture capturing.
2. The imaging apparatus according to claim 1 ,
wherein the second phase difference pixel group includes a second A pixel and a second B pixel in which a light blocking area of the photoelectric conversion element using the light blocking layer is larger than that of the second A pixel, and
the controller performs addition readout processing in which either one of a set of the first A pixel and the second A pixel or a set of the first B pixel and the second B pixel is weighted in accordance with the acquired information.
3. The imaging apparatus according to claim 1 ,
wherein the pixel region has
an A pixel line that includes the first A pixel and has a plurality of pixels arranged in the first direction, and
a B pixel line that includes the first B pixel and has a plurality of pixels arranged in the first direction,
the A pixel line and the B pixel line are arranged in a second direction intersecting with the first direction, and
the controller performs addition readout processing in which either one of the A pixel line or the B pixel line is weighted in accordance with the acquired information.
4. The imaging apparatus according to claim 3 ,
wherein the first phase difference pixel group is also included in a central region located at a center of the pixel region with respect to the first direction,
in the A pixel line, a light blocking area of the first A pixel which is included in the first side region is larger than a light blocking area of the first A pixel which is included in the central region, and
in the B pixel line, a light blocking area of the first B pixel which is included in the first side region is equal to a light blocking area of the first B pixel which is included in the central region.
5. The imaging apparatus according to claim 4 , wherein the light blocking area of a plurality of the first A pixels which are included in the A pixel line is smaller at a position closer to the central region than the first side region.
6. The imaging apparatus according to claim 3 , wherein the A pixel line and the B pixel line are adjacent to each other in the second direction.
7. The imaging apparatus according to claim 3 ,
wherein in the pixel region, the phase difference pixels which are included in the first phase difference pixel group are formed in a second side region on the second side, and
in the A pixel line, a light blocking area of the first A pixel which is included in the second side region is smaller than a light blocking area of the first A pixel which is included in the first side region.
8. The imaging apparatus according to claim 1 , wherein the pixel region has
a gate line that extends in the first direction and selects the photoelectric conversion element which reads out the pixel signal, and
a signal line that extends in a second direction intersecting with the first direction and outputs a pixel signal from the photoelectric conversion element.
9. The imaging apparatus according to claim 1 , wherein the addition readout processing includes thinning-out readout processing in which the weight is set to zero so that a pixel signal having a weight of zero is thinned out and a pixel signal whose weighting is not zero is read out.