Samsung Electro-mechanics Co., Ltd.

Kil Soo Shin

Yong Joo Jo

Il Yong Park

Hyo Jin Hwang

An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, sequentially disposed at intervals from an object side of the imaging lens system. The imaging lens system satisfies 1.5<Nd5<1.6, 30<V5<50, and TTL/2IH<0.730, where Nd5 is a refractive index of the fifth lens, V5 is an Abbe number of the fifth lens, TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.

Imaging lens system having seven lenses of +-+−- +- or +-+-++- refractive powers

Imaging lens system having seven lenses of +-+--+- or +-+-++- refractive powers

An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens sequentially disposed from an object-side, wherein 0.15<BFL/TTL and 1.9 mm<BFL<2.8 mm are satisfied, where BFL is a distance from an image-side surface of the eighth lens to an imaging plane and TTL is a distance from an object-side surface of the first lens to the imaging plane.

Imaging lens system and camera module

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, disposed in order from an object side, and a first reflection member and a second reflection member, disposed on an object side of the first lens, each having a freeform surface.

Optical imaging device

An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, sequentially disposed at intervals from an object side of the imaging lens system. A refractive index of each of the second lens, the third lens, the fourth lens, and the fifth lens is 1.6 or greater, and TTL/2IH<0.730, where TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.

Imaging lens system

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially disposed in ascending numerical order along an optical axis from an object-side surface of the first lens toward an imaging plane of the optical imaging system, wherein the conditional expression 11≤TTL/IMG_HT is satisfied, where TTL is a distance along the optical axis from the object-side surface of the first lens to the imaging plane, and IMG_HT is one-half of a diagonal length of the imaging plane.

Optical imaging system

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in ascending numerical order along an optical axis from an object side of the optical imaging system toward an imaging plane of an image sensor, wherein TTL/(2*IMG HT)≤0.67 is satisfied, where TTL is a distance along the optical axis from an object-side surface of the first lens to the imaging plane of the image sensor, and IMG HT is one half of a diagonal length of the imaging plane of the image sensor, and 15<v1-v3<45 is satisfied, where v1 is an Abbe number of the first lens, and v3 is an Abbe number of the third lens.

Optical imaging system including seven lenses of +-+--+- refractive powers

An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, sequentially disposed at intervals from an object side of the imaging lens system. The imaging lens system satisfies 1.5<Nd5<1.6, 30<V5<50, and TTL/2IH<0.730, where Nd5 is a refractive index of the fifth lens, V5 is an Abbe number of the fifth lens, TTL is a distance from an object side surface of the first lens to an imaging plane, andH is a diagonal length of the imaging plane.

Imaging lens system having seven lenses of +−+−−+− or +−+−++− refractive powers

An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, sequentially disposed at intervals from an object side of the imaging lens system. A refractive index of each of the second lens, the third lens, the fourth lens, and the fifth lens is 1.6 or greater, and TTL/2IH&#x3c;0.730, where TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.

An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, sequentially disposed at intervals from an object side of the imaging lens system. The imaging lens system satisfies 1.5&#x3c;Nd5&#x3c;1.6, 30&#x3c;V5&#x3c;50, and TTL/2IH&#x3c;0.730, where Nd5 is a refractive index of the fifth lens, V5 is an Abbe number of the fifth lens, TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.

Growing community of inventors

Suwon-si, South Korea

Kil Soo Shin