Optical system

There is provided a first lens having a refractive power, an object-side surface thereof being convex toward an object; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refr...

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Bibliographic Details
Main Authors Jung Phil Ho, Jo Yong Joo
Format Patent
LanguageEnglish
Published 23.08.2016
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:There is provided a first lens having a refractive power, an object-side surface thereof being convex toward an object; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refractive power. The optical system satisfies the condition: T34/T23>8.0 where T23 is a distance between the second and third lenses, and T34 is a distance between the third and fourth lenses.
Bibliography:Application Number: US201414249220