Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eigo Sano0
Takumi Matsui0
Date of Patent
March 14, 2006
0Patent Application Number
109848300
Date Filed
November 10, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An image pickup lens includes: a first lens which is a positive lens having a positive refractive power; a second lens which is a negative lens having a negative refractive power; a third lens which is a positive lens; a fourth lens having at least one surface with an aspherical shape, wherein the first lens, the second lens, the third lens and the fourth lens are arranged from an object side of the image pickup lens in this order and the image pickup lens is designed using a predefined condition.
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