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US 12,607,830 B2Granted
Camera optical lens
AssigneeAAC Optics (Suzhou) Co., Ltd.
InventorsLili Miao, Shunda Zhou
Life of this patent
Estimating the term…
Abstract
The present application relates to the field of optical lenses and discloses a camera optical lens, including, in order from an objective side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The following relationship expressions are satisfied: 1.70≤n1≤2.20; 0.80≤f5/f≤1.40; 0.70≤d3/d5≤2.80. The present application provides a wide-angle optical camera lens with a large aperture having excellent optical performance.
Claims15
A camera optical lens, comprising, in order from an objective side to an image side:
- a first lens having a negative refractive force;
- a second lens having a positive refractive force;
- a third lens having a positive refractive force;
- a fourth lens having a negative refractive force;
- a fifth lens having a positive refractive force;
- a sixth lens having a negative refractive force;
- and
- a seventh lens having a positive refractive force;
- wherein it is defined that a refractive index of the first lens n1, a focal length of the fifth lens is f5, a focal length of the camera optical lens is f, an on-axis thickness of the second lens is d3, and an on-axis thickness of the third lens is d5;
- and the following relationship expressions are satisfied:
- 1.7
- ≦
- n
-
- 1
- ≦
- 2.2
- ;
- 0.8
- ≦
- f
-
- 5
- /
- f
- ≦
- 1.4
- ;
- 0.7
- ≦
- d
-
- 3
- /
- d
-
- 5
- ≦
- 2.8
- .
37 more elements
Dependencies are inferred from the claim text.