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US 2026/0219478 A1Published application
Optical imaging system
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorTae Youn LEE
Life of this patent
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Abstract
There is provided an optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes a negative refractive power and a concave object-side surface. The second lens includes a concave object-side surface. The fourth lens includes a negative refractive power. The sixth lens includes an inflection point formed on an image-side surface thereof. The first to sixth lenses are sequentially disposed from an object side toward an imaging plane.
Claims12
An optical imaging system, comprising:
- a first lens comprising negative refractive power;
- a second lens comprising a refractive power;
- a third lens comprising a refractive power;
- a fourth lens comprising a refractive power, and a convex object-side surface;
- a fifth lens comprising a refractive power;
- and
- a sixth lens comprising a refractive power,
- wherein the first to sixth lenses are sequentially disposed from an object side toward an imaging plane,
- wherein an absolute value of a radius of curvature of an object-side surface of the fourth lens is greater than an absolute value of a radius of curvature of the object-side surface of the first lens, and
- wherein −5.5<(R1+R2)/(R1−R2)<0.5, where R1 is a radius of curvature of an object-side surface of the first lens and R2 is a radius of curvature of an image-side surface of the first lens.
7 more elements
An optical imaging system, comprising:
- a first lens comprising negative refractive power;
- a second lens comprising a refractive power;
- a third lens comprising a refractive power and a convex image-side surface;
- a fourth lens comprising a refractive power, and a convex object-side surface;
- a fifth lens comprising positive refractive power;
- and
- a sixth lens comprising a refractive power,
- wherein the first to sixth lenses are sequentially disposed from an object side toward an imaging plane, and
- wherein an absolute value of a radius of curvature of an object-side surface of the fourth lens is greater than an absolute value of a radius of curvature of the object-side surface of the first lens.
6 more elements
Dependencies are inferred from the claim text.