Optical Imaging System

• Main Authors: JO YONG JOO, BAIK JAE HYUN
• Format: Patent
• Language: English; Korean
• Published: 25.01.2021
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

According to the present invention, an optical imaging system comprises: a first lens having positive refractive power; a second lens having refractive power and a refractive index of at least 1.65; a third lens having the positive refractive power and the refractive index of at least 1.65; a fourth lens having the positive refractive power; a fifth lens having the refractive power and the refractive index of at least 1.65; a sixth lens having the refractive power and the refractive index of at least 1.65; and a seventh lens having the positive refractive power. The lenses are sequentially arranged from an object side. 본 발명의 촬상 광학계는 물체 측으로부터 순차적으로 배치되고, 정의 굴절력을 갖는 제1렌즈; 굴절력을 가지며, 굴절률이 1.65 이상인 제2렌즈; 정의 굴절력을 가지며, 굴절률이 1.65 이상인 제3렌즈; 정의 굴절력을 갖는 제4렌즈; 굴절력을 가지며, 굴절률이 1.65 이상인 제5렌즈; 굴절력을 가지며, 굴절률이 1.65 이상인 제6렌즈; 및 정의 굴절력을 갖는 제7렌즈;를 포함한다.