Optical imaging lens
AssigneeGenius Electronic Optical (Xiamen) Co., Ltd.
InventorsQingzhi Zhu, Songchao Huang, Meiting He, Hung-Chien Hsieh
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Abstract
An optical imaging lens includes a first lens element to a second lens element. The first lens element to the second lens element each having an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through. A periphery region of the image-side surface of the first lens element is convex, an optical axis region of the image-side surface of the second lens element is concave. Lens elements included by the optical imaging lens are only the two lens elements mentioned above, and the following conditions: HFOV*T1/(ImgH*Fno)≥12.000, T1/T2≥1.300 are satisfied.
Claims19
An optical imaging lens, from an object side to an image side in order along an optical axis comprising:
- a first lens element and a second lens element, the first lens element and the second lens element each having an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:
- a periphery region of the image-side surface of the first lens element is convex;
- an optical axis region of the image-side surface of the second lens element is concave;
- wherein lens elements included by the optical imaging lens are only the two lens elements described above, and the optical imaging lens satisfies the relationship:
- HFOV*T1/(ImgH*Fno)≥12.000 degrees, and T1/T2≥1.300, wherein HFOV is defined as a maximum half field of view of the optical imaging lens, T1 is a thickness of the first lens element along the optical axis, T2 is a thickness of the second lens element along the optical axis, ImgH is defined as a maximum image height of the optical imaging lens, and Fno is defined as a f-number of the optical imaging lens.
An optical imaging lens, from an object side to an image side in order along an optical axis comprising:
- a first lens element and a second lens element, the first lens element and the second lens element each having an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:
- a periphery region of the object-side surface of the second lens element is concave;
- an optical axis region of the image-side surface of the second lens element is concave;
- wherein lens elements included by the optical imaging lens are only the two lens elements described above, and the optical imaging lens satisfies the relationship:
- HFOV*T1/(ImgH*Fno)≥12.000 degrees, and T1/T2≥1.300, wherein HFOV is defined as a maximum half field of view of the optical imaging lens, T1 is a thickness of the first lens element along the optical axis, T2 is a thickness of the second lens element along the optical axis, ImgH is defined as a maximum image height of the optical imaging lens, Fno is defined as a f-number of the optical imaging lens.
An optical imaging lens, from an object side to an image side in order along an optical axis comprising:
- a first lens element and a second lens element, the first lens element and the second lens element each having an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:
- a periphery region of the image-side surface of the first lens element is convex;
- an optical axis region of the image-side surface of the second lens element is concave;
- wherein lens elements included by the optical imaging lens are only the two lens elements described above, and the optical imaging lens satisfies the relationship:
- Fno*(EFL+BFL+ImgH)/T1≤8.900, and T1/T2≥1.300, wherein Fno is defined as a f-number of the optical imaging lens, EFL is an effective focal length of the optical imaging lens, BFL is a distance from the image-side surface of the second lens element to the image plane along the optical axis, ImgH is defined as a maximum image height of the optical imaging lens, T1 is a thickness of the first lens element along the optical axis, T2 is a thickness of the second lens element along the optical axis.
Dependencies are inferred from the claim text.