Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 10, 2017
Patent Application Number
14572832
Date Filed
December 17, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
An imaging lens includes a first lens group having positive refractive power; a second lens group having positive refractive power; and a third lens group having negative refractive power, arranged in this order from an object side to an image plane side. The first lens group includes a first lens having positive refractive power, a second lens having negative refractive power, and a third lens having negative refractive power. The second lens group includes a fourth lens and a fifth lens. The third lens group includes a sixth lens and a seventh lens. The first to third lenses have specific Abbe's numbers.
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