Patent ID: 7355646

Claim:
A drive control apparatus for an optical apparatus including a first focus lens unit which is manually operated, a second focus lens unit which is driven under auto focusing control and a magnification-varying lens unit, the drive control apparatus comprising: a focus motor which drives the second focus lens unit; a zoom motor which drives the magnification-varying lens unit; and a controller which controls driving of the magnification-varying lens unit through the zoom motor and operates in a first mode carrying out the auto focusing control through the focus motor and in a second mode not carrying out the auto focusing control, wherein, when switching from the first mode to the second mode, the controller carries out control so as to drive forcibly the magnification-varying lens unit to a wide-angle end, and wherein, in a state that the magnification-varying lens unit is driven to the wide-angle end, the first focus lens unit is manually operated to allow focusing control.