Patent ID: 8159532
Filing Date: 2012-04-17
Classification: G03B

Abstract:
1. An electronic image pickup apparatus comprising: a taking optical system; an image pickup element which is disposed at an image side of the taking optical system, and which converts an image formed by the taking optical system, to an electric signal; and an image restoring section which restores electrically a photographed image according to a difference in occurrence of an aberration by the taking optical system in an air environment photography and in a underwater environment photography; wherein the aberration includes a distortion; wherein the taking optical system is a zoom lens system which satisfies the following conditional expressions where, f Ih denotes half of a diagonal length of an effective image pickup area, and DIS denotes an amount of distortion in an image height, the image height being a same amount as Ih, at the wide angle end at the time of in air photography.