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US 2026/0309960 A1Published application
Optical system and camera module
AssigneeLG Innotek Co., Ltd.
InventorJu Yong SHIM
Life of this patent
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Abstract
An optical system according to an embodiment of the present invention includes a first lens to a seventh lens disposed along the optical axis, wherein the first lens has a negative (−) refractive power, the combined refractive power of the second lens to the seventh lens is a positive (+) refractive power, the second lens among the first lens to the seventh lens has a smallest effective diameter, and the effective diameter of the first lens is the greatest.
Claims20
An optical system comprising:
- a first lens to a seventh lens being disposed along an optical axis,
- wherein the first lens has a negative (−) refractive power,
- wherein the combined refractive power of the second lens to the seventh lens has a positive (+) refractive power, and
- wherein the second lens among the first lens to the seventh lens has a smallest effective diameter, and the effective diameter of the first lens is the greatest.
1 more element
An optical system comprising:
- a first lens to a seventh lens being disposed along the optical axis, wherein the first lens has a negative (−) refractive power,
- wherein the combined refractive power of the second lens to the seventh lens has a positive (+) refractive power, and
- wherein the effective diameter of the first lens is larger than the effective diameter of the third lens.
An optical system comprising:
- a first to a seventh lens being disposed along an optical axis,
- wherein among the first to seventh lenses, the absolute value of the focal length of the sixth lens is the largest, the absolute value of the focal length of the fifth lens is the smallest, and the following conditional expression is satisfied:
- 0.2
- <
- CG
-
- 1
- /
- TTL
- <
- 0.6
- 〈
- Conditional
-
- expression
- 〉
- (In the conditional expression, CG1 is a distance between the first lens and the second lens on the optical axis, and TTL is a distance from an object side surface of the first lens in the optical axis to the image sensor).
14 more elements
Dependencies are inferred from the claim text.