Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 3, 2007
Patent Application Number
11092919
Date Filed
March 30, 2005
Patent Primary Examiner
Patent abstract
In order to provide a fast super wide-angle lens system having the f-number of f/2.8 and a wide angle of view of 2ω=100° or more in an imaging area of a digital camera and an image-capturing device equipped with the super wide-angle lens system. The lens system includes, in order from an object, a first lens group G1 having negative refractive power, an aperture stop S, and a second lens group G2 having positive refractive power, and the lens system satisfies predetermined conditional expressions.
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