Optical imaging system
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsHan Ul YOUN, Ji Su LEE, Dong Hyuk JANG
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Abstract
An optical imaging system is provided. The optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens, sequentially arranged from an object side toward an image plane, wherein the optical imaging system satisfies the following conditional expressions [(1) TTL/2IMH<0.6, and (1) Fno<1.72, where TTL is a distance from an object side surface of the first lens to the image plane, 2IMH is a diagonal length of the image plane, and Fno is an F number of the optical imaging system.
Claims17
An optical imaging system, comprising:
- a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens, sequentially arranged from an object side toward an image plane,
- wherein the optical imaging system satisfies the following conditional expressions:
- TTL
- /
- 2
-
- IMH
- <
- 0.6
- ,
- and
- (
- 1
- )
- Fno
- <
- 1.72
- ,
- (
- 2
- )
- where TTL is a distance from an object side surface of the first lens to the image plane, 2IMH is a maximum effective image height of the image plane, and Fno is an F number of the optical imaging system.
An optical imaging system, comprising:
- a first lens having positive refractive power;
- a second lens having negative refractive power;
- a third lens having refractive power;
- a fourth lens having a concave object side surface;
- a fifth lens having refractive power;
- a sixth lens having negative refractive power;
- a seventh lens having refractive power, and having a convex object side surface and a concave image side surface;
- an eighth lens having positive refractive power;
- and
- a ninth lens having negative refractive power,
- wherein the first lens to the ninth lens are sequentially arranged from an object side toward an image plane, and
- wherein the optical imaging system satisfies the following conditional expression:
- Fno
- <
- 1.72
- ,
- where Fno is an F number of the optical imaging system.
An optical imaging system, comprising:
- a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens, sequentially arranged from an object side toward an image plane,
- wherein the optical imaging system satisfies the following conditional expressions:
- TTL
- /
- 2
-
- IMH
- <
- 0.6
- ,
- and
- (
- 1
- )
- 2.5
- <
- TTL
- /
- ∑
- AT
- <
- 2.8
- ,
- (
- 2
- )
- where TTL is a distance from an object side surface of the first lens to the image plane, 2IMH is a diagonal length of the image plane, and ΣAT is a sum of optical axis intervals of the first lens to the ninth lens.
Dependencies are inferred from the claim text.