Patent Number: 8,576,495

Title: Zoom lens and imaging device using same

Abstract: A zoom lens includes a first lens unit, a second lens unit, a third lens unit and a fourth lens unit. The third lens unit includes a movable barrel, a first slidable member able to move in a first direction perpendicular to the optical axis, and a second slidable member able to move along a second direction perpendicular to the optical axis and also perpendicular to the first direction. The movable barrel includes a first Hall member and a first coil, the first slidable member comprises a second Hall member and a second coil. A first magnet is aligned with the first coil, and a second magnet is aligned with the second coil, both coils can be independently energized to compensate any shaking movements experienced by the Hall members.

Inventors: Li; Zi-Yuan (Guangdong, CN), Li; Jun-Jie (Guangdong, CN), Zhang; Jian-Jun (Guangdong, CN), He; Li-Hui (Guangdong, CN), Tang; Quan-Long (Guangdong, CN), Kang; Xiao-Tian (Guangdong, CN)

Assignee: Premier Image Technology (China) Ltd.

International Classification: G02B 15/14 (20060101)

Expiration Date: 1/05/12017