US 12,078,867 B2
Focus detection device, image sensor, and interchangeable lens
Yuki Kita, Kawasaki (JP); and Akira Kinoshita, Yokohama (JP)
Assigned to NIKON CORPORATION, Tokyo (JP)
Filed by NIKON CORPORATION, Tokyo (JP)
Filed on Jun. 15, 2023, as Appl. No. 18/210,274.
Application 18/210,274 is a division of application No. 17/261,974, granted, now 11,714,259, previously published as PCT/JP2019/028476, filed on Jul. 19, 2019.
Claims priority of application No. 2018-137262 (JP), filed on Jul. 20, 2018.
Prior Publication US 2023/0324650 A1, Oct. 12, 2023
Int. Cl. G02B 7/34 (2021.01); H04N 23/67 (2023.01)
CPC G02B 7/34 (2013.01) [H04N 23/67 (2023.01)] 32 Claims
OG exemplary drawing
 
1. An image sensor comprising:
a first pixel and a second pixel that receive light transmitted through an optical system and output a signal used for focus detection; and
an output unit that outputs a signal from the first pixel or the second pixel selected based on first information regarding (i) a position on an image plane and (ii) an exit pupil distance of the optical system.