Video camera apparatus with automatic focus operation dependent on electronic zoom condition

摘要

A video camera includes an image pickup device for photoelectrically converting into a video signal an optical image focused on a pickup surface of the device, a focus adjusting device for focusing the optical image on the image pickup surface, electronic magnification varying circuitry for electronically varying an image magnification by signal processing, and a control circuit for controlling an operation of the focus adjusting device in manners which differ depending on whether or not the image magnification is varied by the electronic magnification varying circuitry.