Patent ID: 7567390
Filing Date: 2009-07-28
Classification: G02B

Abstract:
1. A zoom lens system comprising: a plurality of lens units each composed of at least one lens element, wherein: an interval between at least any two lens units among the lens units is changed so that an optical image of an object is formed with a continuously variable magnification, any one of the lens units includes a lens element having a reflecting surface for bending a light beam from an object, any one of the lens units, any one of the lens elements, or a plurality of adjacent lens elements that constitute one lens unit, is configured to move in a direction perpendicular to an optical axis, and said any one of the lens unit, said any one of the lens elements or said plurality of adjacent lens elements that is configured to move in the direction perpendicular to the optical axis, is further configured to move along the optical axis in zooming from a wide-angle limit to a telephoto limit.