An optical sensor for a vehicle, comprising: an optical member configured to refract light from a subject, the optical member including a plurality of transmissive units (311, 311A, 311B, 311C) that have different optical properties, thus forming different refraction patterns of light that passes therethrough; and a plurality of image sensors configured to receive light that has passed through the transmissive units (311, 311A, 311B, 311C) and to form captured images in which the subject appears, the plurality of image sensors being provided in correspondence with the transmissive units (311, 311A, 311B, 311C) such that each of the plurality of image sensors is configured to receive light that has passed through a corresponding transmissive unit (311, 311A, 311B, 311C), wherein the plurality of transmissive units (311, 311A, 311B, 311C) in the optical member include first transmissive units that are arranged at a center and have a predetermined first converging angle (Θ A), and second transmissive units (311B, 311C) that are arranged around the first transmissive units and have a second converging angle (Θ B, Θ C) that is greater than the first converging angle (Θ A) of the first transmissive units, wherein the first converging angle (Θ A) is 2.0 degrees at most, and the second converging angle (Θ B, Θ C) is at least 20 degrees, and wherein the optical sensor is configured for obtaining captured images of a subject that is present in front of the optical sensor from the image sensors that correspond to the first transmissive units, and for obtaining captured images of a subject that is present at a position away from the front of the optical sensor from the image sensors that correspond to the second transmissive units (311B, 311C). an optical member configured to refract light from a subject, the optical member including a plurality of transmissive units (311, 311A, 311B, 311C) that have different optical properties, thus forming different refraction patterns of light that passes therethrough; and a plurality of image sensors configured to receive light that has passed through the transmissive units (311, 311A, 311B, 311C) and to form captured images in which the subject appears, the plurality of image sensors being provided in correspondence with the transmissive units (311, 311A, 311B, 311C) such that each of the plurality of image sensors is configured to receive light that has passed through a corresponding transmissive unit (311, 311A, 311B, 311C), wherein the plurality of transmissive units (311, 311A, 311B, 311C) in the optical member include first transmissive units that are arranged at a center and have a predetermined first converging angle (Θ A), and second transmissive units (311B, 311C) that are arranged around the first transmissive units and have a second converging angle (Θ B, Θ C) that is greater than the first converging angle (Θ A) of the first transmissive units, wherein the first converging angle (Θ A) is 2.0 degrees at most, and the second converging angle (Θ B, Θ C) is at least 20 degrees, and wherein the optical sensor is configured for obtaining captured images of a subject that is present in front of the optical sensor from the image sensors that correspond to the first transmissive units, and for obtaining captured images of a subject that is present at a position away from the front of the optical sensor from the image sensors that correspond to the second transmissive units (311B, 311C).