Patent ID: 7382545

Claim:
A liquid zoom lens comprising: a cylindrical body having upper and lower openings to which one pair of lenses is coupled; an auto-focus lens part including a first insulating liquid layer, a first electrolyte layer, and a first lens, the first insulating layer and the first electrolyte layer being disposed to form an interface at a lower portion of the body, the first lens being disposed on the first electrolyte layer and having a periphery closely attached to a lower portion of an inner periphery of the body; and an optical zoom lens part including a second insulating liquid layer, a second electrolyte layer, and a second lens, the second insulating liquid layer and the second electrolyte layer being disposed to form an interface on the first lens, the second lens being fixed to be movable within the second insulating liquid layer, such that a periphery is closely attached to the inner periphery of the body.