Patent ID: 8842164

Claim:
An image pickup apparatus comprising: an image-capturing lens configured to collect a light ray output from a subject, the image-capturing lens comprising: a focus lens; a zoom lens disposed downstream from the focus lens; and a first aperture disposed between the focus lens and the zoom lens, the focus lens and the zoom lens being configured to generate an image of the first aperture that serves as an entrance pupil located at a position inside the image capturing lens; a relay lens configured to transmit the collected light ray; a second aperture configured to control an amount of the transmitted light in an area in which a diverging light ray output from a point of the subject is converted into a parallel light ray; a mirror configured to separate, into left and right rays, the light ray having the amount of light controlled in the area in which a diverging light ray output from a point of the subject is converted into a parallel light ray; two image-forming lenses configured to form images from the left and right light rays; and two image devices configured to convert the light rays forming the images into electronic signals representing the images.