Patent Number: 6,166,770

Title: Camera focus control according to extraction range size and/or zoom rate

Abstract: An image pickup apparatus is provided with a focus detecting device for detecting a state of focus from a picked-up image signal outputted from an image sensor, and an electronic zoom device for electrically magnifying the picked-up image signal. The image pickup apparatus is arranged to control an operation characteristic of the focus detecting device on the basis of the operating state of the electronic zoom device.

Inventors: Yasuda; Hitoshi (Tokyo, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: H04N 5/232 (20060101); H04N 005/232 ()

Expiration Date: 12/26/2017