Patent ID: 6661458
Filing Date: 2003-12-09
Classification: G02B,H04N

Abstract:
An image pickup apparatus wherein an image of an object produced by an optical system is formed on an electronic image pickup device, thereby obtaining image information concerning the object,wherein said image pickup device is a device having a matrix or mosaic color filter array provided over a photoelectric conversion surface, and said electronic image pickup device and said optical system satisfy the following conditions: 6.2/{square root over ( )}N<21/Â°{square root over ( )}Nâ€ƒâ€ƒ(1) 3.8<20â€ƒâ€ƒ(2) 3.4Ã—Pâˆ’25<20â€ƒâ€ƒ(3) 0Ã—P+4â€ƒâ€ƒ(4) where P is a pixel pitch (given in micrometers) of the image pickup device; N is the number of pixels (given in million) of the image pickup device; and &thgr; is an angle (Â°) at which a central ray of a light beam exiting from said optical system or a ray passing through a center of a stop is incident on the image pickup device at a maximum image height.