Is a
Patent attributes
Patent Applicant
0
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takahiro Amanai0
Date of Patent
June 7, 2005
0Patent Application Number
106028740
Date Filed
June 25, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Lenses 11, 12, and 13 having a power are layered in an optical axis direction such that flange section 11d and 12d are cemented so as to form an air interval between the lens 11 and the lens 12. A space between the lens 12 and the lens 13 are cemented together. A preferable interval is disposed in the optical axis direction by a positioning section which is disposed in each flange section.
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