US Patent 7142372 Zoom lens system

Patent 7142372 was granted and assigned to Pentax on November, 2006 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Pentax

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7142372

Date of Patent

November 28, 2006

Patent Application Number

10940704

Date Filed

September 15, 2004

Patent Primary Examiner

Scott Walker

Patent abstract

A zoom lens system includes a negative first lens group which is stationary or movable, a positive second lens group which is movable, and a positive third lens group which is movable, in this order from the object.

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