Patent ID: 8823858

Claim:
An imaging apparatus comprising: a photographing optical system having a first region with a first characteristic and a second region with a second characteristic different from the first characteristic; an image pickup device having a first light-receiving element group and a second light-receiving element group which are two-dimensionally arranged; optical elements provided correspondingly to the first light-receiving element group and the second light-receiving element group of the image pickup device, and letting only a light beam passing through the first region of the photographing optical system received by the first light-receiving element group and letting only a light beam passing through the second region of the photographing optical system received by the second light-receiving element group; and an image generating unit configured to obtain a first imaging signal or a second imaging signal from the first light-receiving element group or the second light-receiving element group of the image pickup device, respectively, and configured to generate a first image or a second image, respectively, wherein the first light-receiving element group and the second light-receiving element group of the image pickup device are configured to obtain the first image and the second image with different weights according to the first characteristic and the second characteristic, respectively, of the photographing optical system.