Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takayuki Ito0
Sachiko Ryu0
Date of Patent
April 24, 2007
0Patent Application Number
113021630
Date Filed
December 14, 2005
0Patent Primary Examiner
Patent abstract
A wide-angle lens system includes a positive front lens group, a diaphragm, and a positive rear lens group. The front lens group includes a negative first-sub-lens group and a positive second-sub-lens group.
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