Imaging Lens System

According to the present invention, an imaging lens system, sequentially arranged from an object side, comprises: a first lens with a concave image side; a second lens having refractive power; a third lens with the concave image side; a fourth lens in which the object side or the image side is conve...

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Bibliographic Details
Main Authors JO YONG JOO, YANG DONG SHIN, YOO HO SIK, SEO SOT EUM
Format Patent
LanguageEnglish
Korean
Published 22.10.2021
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:According to the present invention, an imaging lens system, sequentially arranged from an object side, comprises: a first lens with a concave image side; a second lens having refractive power; a third lens with the concave image side; a fourth lens in which the object side or the image side is convex; a fifth lens having the refractive power; a sixth lens with the concave image side; and a seventh lens having the negative refractive power. The present invention can improve performance of a small camera. 본 발명에 따른 촬상 광학계는 물체 측으로부터 순차적으로 배치되는, 상 측면이 오목한 제1렌즈; 굴절력을 갖는 제2렌즈; 상 측면이 오목한 제3렌즈; 물체 측면 또는 상 측면이 볼록한 제4렌즈; 굴절력을 갖는 제5렌즈; 상 측면이 오목한 제6렌즈; 및 부의 굴절력을 갖는 제7렌즈;를 포함한다.
Bibliography:Application Number: KR20210135203