Patent ID: 8922634

Claim:
An image pickup apparatus comprising an objective optical system for forming an image out of a bundle of light rays traveling from an object, an image sensor placed in a vicinity of an image-forming position of the objective optical system, a dividing element placed between the objective optical system and the image sensor and used for dividing the bundle of light rays traveling from the objective optical system into two bundles of light rays, which are a bundle of light rays reflected and a bundle of light rays transmitted, a first reflection member for reflecting back the bundle of light rays having been reflected by the dividing element, and a second reflection member for reflecting the bundle of light rays having been transmitted through the dividing element, wherein the bundle of light rays having been reflected by the first reflection member via the dividing element is focused to form an image on a first area of the image sensor, and the bundle of light rays having been reflected by the second reflection member is focused to form an image on a second area of the image sensor that is different from the first area of the image sensor.