Patent Number: 6,166,784

Title: Imaging optical system

Abstract: An imaging optical system is disclosed. The system comprises a liquid crystal lens including a first body consisting of a substantially transparent birefringent liquid crystal member, a second body consisting of a substantially transparent birefringent liquid crystal member, and two pairs of electrodes for adding an electric field or a magnetic field onto the first body and the second body. A rear face of the first body is aligned perpendicular to a front face of the second body, the first body and the second body have substantially symmetrical shape against a plane perpendicular to an optical axis and plurality of optical elements are arranged front and after the liquid crystal lens.

Inventors: Murata; Akiko (Hachioji, JP), Ono; Katsuya (Hachioji, JP)

Assignee: Olympus Optical Company, Ltd.

International Classification: G02B 23/24 (20060101); G02F 1/29 (20060101); G02B 7/08 (20060101); G02F 1/13 (20060101); G02F 1/1333 (20060101); G02F 001/13 (); G02F 001/133 ()

Expiration Date: 12/26/2017