Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shuichi Fujii0
Tetsuya Uno0
Hideo Onishi0
Norio Maeda0
Date of Patent
February 12, 2008
Patent Application Number
11148634
Date Filed
June 9, 2005
Patent Primary Examiner
Patent abstract
A lens system 3 is provided with a plurality of lens units including a first lens unit 9, and has a condition changing structure 6 that is capable of changing the condition of the first lens unit 9 without changing the position of the first lens unit 9 in the direction of the optical axis x.
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