US Patent 7502557 Finder optical system and imaging apparatus comprising the same

Patent 7502557 was granted and assigned to Olympus Group on March, 2009 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Olympus Group

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7502557

Date of Patent

March 10, 2009

Patent Application Number

11299952

Date Filed

December 13, 2005

Patent Primary Examiner

W. B. Perkey

Patent abstract

In a finder optical system, a primary image is formed by an objective lens on a primary image formation face and is passed via a relay optical system to form a secondary image on a secondary image formation face. This secondary image is observed via an ocular lens system. A diffuser is arranged at the position of the secondary image formation face.

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