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US 2020/0026038 A1Published application
Camera Optical Lens
AssigneeAAC Technologies Pte. Ltd.
InventorsLei Zhang, Yanmei Wang
Life of this patent
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Abstract
The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, an aperture stop, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, and the fifth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
Claims10
A camera optical lens comprising, from an object side to an image side in sequence:
- an aperture stop, a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a negative refractive power, a fourth lens with a positive refractive power, and a fifth lens a negative refractive power;
- wherein the camera optical lens further satisfies the following conditions:
- 3<f/R1−f/R2+d1/(R1*R2)<4.5;
- −1.2<f1/f4<−0.2;
- f/R1<3.399;
- where
- f:
- the focal length of the camera optical lens;
- f1:
- the focal length of the first lens;
- f4:
- the focal length of the fourth lens;
- R1:
- the curvature radius of object side surface of the first lens;
- R2:
- the curvature radius of image side surface of the first lens;
- R4:
- the curvature radius of image side surface of the second lens;
- d1:
- The thickness on-axis of the first lens.
17 more elements
Dependencies are inferred from the claim text.