Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 28, 2019
Patent Application Number
15468181
Date Filed
March 24, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical imaging system includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a negative refractive power. The first to sixth lenses are sequentially disposed from an object side to an imaging plane. An Abbe number of the second lens is 21 or less.
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