Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cheng-Chen Lin0
Wei-Yu Chen0
Chun-Yen Chen0
Chun-Che Hsueh0
Date of Patent
February 26, 2019
0Patent Application Number
154796160
Date Filed
April 5, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure provides a photographing optical lens system comprising five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof, a second lens element having positive refractive power, a third lens element having negative refractive power, a fourth lens element having positive refractive power, and a fifth lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof with at least one convex critical point in an off-axial region thereof, both of an object-side surface and the image-side surface thereof being aspheric.
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