Patent ID: 8605179
Filing Date: 2013-12-10
Classification: G02B,G03B

Abstract:
1. An image pickup apparatus in which, a taking lens is installable or fixed, comprising: an image pickup element in which, pixels are arranged two-dimensionally, wherein the pixels include focal-point detection pixels each having a first photoelectric conversion portion, and image-pickup pixels each having a second photoelectric conversion portion, the focal-point detection pixels are arranged to restrict a direction of incidence of a light beam which is incident upon the first photoelectric conversion portion, the image-pickup pixels are arranged such that, the direction of incidence of the light beam which is incident upon the second photoelectric conversion portion is not restricted more than the direction of incidence restricted by the focal-point detection pixel, the focal-point detection pixel outputs at least a signal for ranging, the image-pickup pixel outputs at least a signal for an image, and the image pickup apparatus comprising: an overflow judging section which judges whether or not the first photoelectric conversion portion has overflowed, and judges whether or not the second photoelectric conversion portion has overflowed; and a calculating section which calculates an amount of defocus based on a judgment result of the overflow judging section and the signal for ranging.