An AF control apparatus for a zoom lens system includes a movable lens group serving as a zooming lens group and a focusing lens group in the zoom lens system; a focusing table which stores focusing data for the movable lens group; a zooming table which stores zooming data for the movable lens group, the zooming table having different data from the focusing table; and a driving device for moving the movable lens group in an optical axis direction of the zoom lens system according to data stored in the focusing table and the zooming table.