CN216595707U - Wide-angle high-resolution lens suitable for large-scale production - Google Patents
Wide-angle high-resolution lens suitable for large-scale production Download PDFInfo
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- CN216595707U CN216595707U CN202123258813.5U CN202123258813U CN216595707U CN 216595707 U CN216595707 U CN 216595707U CN 202123258813 U CN202123258813 U CN 202123258813U CN 216595707 U CN216595707 U CN 216595707U
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Abstract
The utility model relates to a wide angle high resolution power camera lens that is fit for large-scale production, include first lens, second lens, diaphragm, third lens, fourth lens, fifth lens and the sixth lens that set gradually from the left hand right side along light incident direction. The lens has reasonable structure, easy assembly and low tolerance sensitivity, and is more suitable for large-scale high-yield production; the F number is smaller, the clear aperture is larger, the sufficient light inlet quantity of the system is ensured, and the system can better adapt to various light environments; the full-plastic structural design is adopted, so that the imaging quality is ensured, and the production cost is reduced; can stably work within the temperature range of-40 ℃ to 105 ℃, and has complex environmental adaptability; meanwhile, the light incidence angle of each mirror surface is small, and the overall imaging quality of the system is excellent.
Description
Technical Field
The utility model relates to a wide angle high resolution power camera lens that is fit for large-scale production.
Background
Nowadays, the use scene of the optical lens is continuously expanding, especially in recent years, with the increasing attention of the public to VR and AR technologies, various head-mounted and wearable VR and AR devices have become a big hotspot in the consumer market. In order to provide a perfect immersive experience for the consumer, the optical lens involved not only needs good image quality, but also simultaneously satisfies the requirements of large field of view, small size, low weight, and the like.
Disclosure of Invention
An object of the utility model is to provide a wide angle high resolution power camera lens that is fit for large-scale production, this camera lens is rational in infrastructure, and easily assembly is fit for large-scale high yield production.
The technical scheme of the utility model lies in: a wide-angle high-resolution lens suitable for large-scale production comprises a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along the incident direction of light rays; under the condition of not considering the retroflection caused by the aspheric surface coefficient, the first lens is a negative meniscus lens, the second lens is a double convex positive lens, the third lens is a double convex positive lens, the fourth lens is a double concave negative lens, the fifth lens is a positive meniscus lens, and the sixth lens is a negative meniscus lens.
Furthermore, the focal length of the optical system of the lens is f, and the focal lengths of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are respectively f1、f2、f3、f4，f5、f6Wherein f is1、f2、f3、f4、f5、f6And f satisfy the following ratio: -2.0<f1/f<-0.1，2.5<f2/f<4.0，0.5<f3/f<2.5，-5.5<f4/f<-3.5，0.5<f5/f<2.5，-2.5<f6/f<-0.5。
Further, the first lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the second lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; the third lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the fourth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 40.0; the fifth lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the sixth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; wherein N isdIs refractive index, VdAbbe constant.
Further, the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are aspheric lenses.
Further, the total optical length TTL of the optical system of the lens and the focal length f of the optical system satisfy: TTL/f is less than or equal to 5.1.
Further, the first lens, the second lens and the third lens are made of plastic materials.
Compared with the prior art, the utility model has the advantages of it is following: the structure is reasonable, the assembly is easy, the tolerance sensitivity is low, and the method is more suitable for large-scale high-yield production; the F number is smaller, the clear aperture is larger, the sufficient light inlet quantity of the system is ensured, and the system can better adapt to various light environments; the full-plastic structural design is adopted, so that the imaging quality is ensured, and the production cost is reduced; can stably work within the temperature range of-40 ℃ to 105 ℃, and has complex environmental adaptability; through reasonable material collocation and lens optical power distribution, the axial chromatic aberration and the transverse chromatic aberration of the whole optical system are well corrected, the high-grade chromatic aberration of the whole optical system is effectively corrected through reasonable surface design, meanwhile, the light incident angle of each mirror surface is small, and the overall imaging quality of the system is excellent.
Drawings
Fig. 1 is a schematic view of an optical structure according to a first embodiment of the present invention;
fig. 2 is a full operating band axial chromatic aberration diagram according to a first embodiment of the present invention;
fig. 3 is a vertical axis chromatic aberration diagram of a full operating band according to a first embodiment of the present invention;
fig. 4 is a full operating band field curvature distortion diagram of the first embodiment of the present invention;
fig. 5 is a schematic view of an optical structure according to a second embodiment of the present invention;
fig. 6 is a full operating band axial chromatic aberration diagram of the second embodiment of the present invention;
fig. 7 is a full operating band vertical axis chromatic aberration diagram of the second embodiment of the present invention;
fig. 8 is a full operating band field curvature distortion diagram of the second embodiment of the present invention;
fig. 9 is a schematic view of an optical structure according to a third embodiment of the present invention;
fig. 10 is a full operating band axial chromatic aberration diagram of a third embodiment of the present invention;
fig. 11 is a vertical axis chromatic aberration diagram of a full operating band according to a third embodiment of the present invention;
fig. 12 is a full operating band field curvature distortion diagram of the third embodiment of the present invention;
in the figure: l1-first lens; l2-second lens; STO-stop; l3-third lens; l4-fourth lens; l5-fifth lens; l6-sixth lens; l7-equivalent glass plate; IMA-imaging plane.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Embodiment one refer to fig. 1 to 4
A wide-angle high-resolution lens suitable for large-scale production comprises a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along the incident direction of light rays; in the case where the retroflection due to the aspherical surface coefficient is not considered, the first lens is a negative meniscus lens, the second lens is a double convex positive lens, the third lens is a double convex positive lens, the fourth lens is a double concave negative lens, the fifth lens is a positive meniscus lens, and the sixth lens is a negative meniscus lens.
In this embodiment, the focal length of the optical system of the lens is f, and the focal lengths of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are respectively f1、f2、f3、f4，f5、f6Wherein f is1、f2、f3、f4、f5、f6And f satisfy the following ratio: -2.0<f1/f<-0.1，2.5<f2/f<4.0，0.5<f3/f<2.5，-5.5<f4/f<-3.5，0.5<f5/f<2.5，-2.5<f6/f<-0.5。
In this embodiment, the first lens satisfies the following relation: n is a radical ofd≥1.5，VdNot less than 50.0; the second lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; the third lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the fourth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 40.0; the fifth lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the sixth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; wherein N isdIs refractive index, VdAbbe constant.
In this embodiment, the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element are aspheric lens elements, and an aspheric curve equation expression is as follows:
wherein Z is the distance from the aspheric surface to the aspheric surface vertex when the aspheric surface is at the position with the height of h along the optical axis direction; c is a non-ballParaxial curvature of a face; k is a conic constant; alpha is alpha1、α2、α2、α4、α5、α6、α7、α8Are all high-order term coefficients.
In this embodiment, the total optical length TTL of the optical system of the lens and the focal length f of the optical system satisfy: TTL/f is less than or equal to 5.1.
In this embodiment, the number of the optical system F of the lens is less than or equal to 2.0.
In this embodiment, the first lens element to the sixth lens element are made of plastic material.
In this embodiment, the technical indexes realized by the optical system are as follows:
(1) focal length: EFFL is more than or equal to 1.21 and less than or equal to 2.01 mm;
(2) the aperture F is less than or equal to 2.0;
(3) the field angle: 2w is more than or equal to 150 degrees.
In this embodiment, in order to realize the above design parameters, the specific design adopted by the optical system is as follows:
in this embodiment, the aspherical coefficients of the aspherical lenses of the optical system are as follows:
in the embodiment, the optical system realizes wide-angle, large-aperture, small-size and low-temperature floating design, and simultaneously performs good correction on-axis and off-axis aberrations.
Embodiment II referring to FIGS. 5 to 8
A wide-angle high-resolution lens suitable for large-scale production comprises a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along the incident direction of light rays; under the condition of not considering the retroflection caused by the aspheric surface coefficient, the first lens is a negative meniscus lens, the second lens is a double convex positive lens, the third lens is a double convex positive lens, the fourth lens is a double concave negative lens, the fifth lens is a positive meniscus lens, and the sixth lens is a negative meniscus lens.
In this embodiment, the focal length of the optical system of the lens is f, and the focal lengths of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are respectively f1、f2、f3、f4，f5、f6Wherein f is1、f2、f3、f4、f5、f6And f satisfy the following ratio: -2.0<f1/f<-0.1，2.5<f2/f<4.0，0.5<f3/f<2.5，-5.5<f4/f<-3.5，0.5<f5/f<2.5，-2.5<f6/f<-0.5。
In this embodiment, the first lens satisfies the following relation: n is a radical ofd≥1.5，VdNot less than 50.0; the second lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; the third lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the fourth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 40.0; the fifth lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the sixth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; wherein N isdIs refractive index, VdAbbe constant.
In this embodiment, the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element are aspheric lens elements, and an aspheric curve equation expression is as follows:
wherein Z is the position of the aspheric surface at the height h along the optical axis directionThe distance from the aspheric surface vertex is high; c is the paraxial curvature of the aspheric surface; k is a conic constant; alpha is alpha1、α2、α3、α4、α5、α6、α7、α8Are all high-order term coefficients.
In this embodiment, the total optical length TTL of the optical system of the lens and the focal length f of the optical system satisfy: TTL/f is less than or equal to 5.1.
In this embodiment, the number of the optical system F of the lens is less than or equal to 2.0.
In this embodiment, the first lens element to the sixth lens element are made of plastic material.
In this embodiment, the technical indexes realized by the optical system are as follows:
(1) focal length: EFFL is more than or equal to 1.31 and less than or equal to 2.11 mm;
(2) the aperture F is less than or equal to 2.0;
(3) the field angle: 2w is more than or equal to 150 degrees.
In this embodiment, in order to realize the above design parameters, the specific design adopted by the optical system is as follows:
in this embodiment, the aspherical coefficients of the aspherical lenses of the optical system are as follows:
in the embodiment, the optical system realizes wide-angle, large-aperture, small-size and low-temperature floating design, and simultaneously performs good correction on-axis and off-axis aberrations.
Embodiment III reference is made to FIGS. 9 to 12
A wide-angle high-resolution lens suitable for large-scale production comprises a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along the incident direction of light rays; in the case where the retroflection due to the aspherical surface coefficient is not considered, the first lens is a negative meniscus lens, the second lens is a double convex positive lens, the third lens is a double convex positive lens, the fourth lens is a double concave negative lens, the fifth lens is a positive meniscus lens, and the sixth lens is a negative meniscus lens.
In this embodiment, the focal length of the optical system of the lens is f, and the focal lengths of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are respectively f1、f2、f3、f4，f5、f6Wherein f is1、f2、f3、f4、f5、f6And f satisfy the following ratio: -2.0<f1/f<-0.1，2.5<f2/f<4.0，0.5<f3/f<2.5，-5.5<f4/f<-3.5，0.5<f5/f<2.5，-2.5<f6/f<-0.5。
In this embodiment, the first lens satisfies the following relation: n is a radical ofd≥1.5，VdNot less than 50.0; the second lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; the third lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the fourth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 40.0; the fifth lens satisfies the relation: n is a radical ofd≥1.5，VdNot less than 50.0; the sixth lens satisfies the relation: n is a radical ofd≥1.5，VdLess than or equal to 50.0; wherein N isdIs refractive index, VdAbbe constant.
In this embodiment, the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element are aspheric lens elements, and an aspheric curve equation expression is as follows:
wherein Z is the distance from the aspheric surface to the aspheric surface vertex when the aspheric surface is at the position with the height of h along the optical axis direction; c is the paraxial curvature of the aspheric surface; k is a conic constant; alpha is alpha1、α2、α3、α4、α5、α6、α7、α8Are all high-order term coefficients.
In this embodiment, the total optical length TTL of the optical system of the lens and the focal length f of the optical system satisfy: TTL/f is less than or equal to 5.1.
In this embodiment, the number of the optical system F of the lens is less than or equal to 2.0.
In this embodiment, the first lens element to the sixth lens element are made of plastic material.
In this embodiment, the technical indexes realized by the optical system are as follows:
(1) focal length: EFFL is more than or equal to 1.31 and less than or equal to 2.11 mm;
(2) the aperture F is less than or equal to 2.0;
(3) the field angle: 2w is more than or equal to 150 degrees.
In this embodiment, in order to realize the above design parameters, the specific design adopted by the optical system is as follows:
in this embodiment, the aspherical coefficients of the aspherical lenses of the optical system are as follows:
in the embodiment, the optical system realizes wide-angle, large-aperture, small-size and low-temperature floating design, and simultaneously performs good correction on-axis and off-axis aberrations.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (6)
1. A wide-angle high-resolution lens suitable for large-scale production is characterized by comprising a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along the incident direction of light rays; in the case where the retroflection due to the aspherical surface coefficient is not considered, the first lens is a negative meniscus lens, the second lens is a double convex positive lens, the third lens is a double convex positive lens, the fourth lens is a double concave negative lens, the fifth lens is a positive meniscus lens, and the sixth lens is a negative meniscus lens.
2. A wide-angle high-resolution lens suitable for mass production as claimed in claim 1, wherein the focal length of the optical system of the lens is
The focal lengths of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are respectively
、
、
、
，
、
Wherein
、
、
、
、
、
And with
The following proportions are satisfied: -2.0<
/
<-0.1，2.5<
/
<4.0，0.5<
/
<2.5，-5.5<
/
<-3.5，0.5<
/
<2.5，-2.5<
/
<-0.5。
3. A wide-angle high-resolution lens suitable for mass production according to claim 1 or 2, wherein the first lens satisfies the relation:
≥1.5，
not less than 50.0; the second lens satisfies the relation:
≥1.5，
less than or equal to 50.0; the third lens satisfies the relation:
≥1.5，
not less than 50.0; the fourth lens satisfies the relation:
≥1.5，
less than or equal to 40.0; the fifth lens satisfies the relation:
≥1.5，
not less than 50.0; the sixth lens satisfies the relation:
≥1.5，
less than or equal to 50.0; wherein
In order to be the refractive index,
abbe constant.
4. The wide-angle high-resolution lens suitable for mass production according to claim 1, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are aspheric lenses.
5. A wide-angle high-resolution lens suitable for mass production according to claim 1, wherein the total optical length TTL of the optical system of the lens and the focal length f of the optical system satisfy: TTL/f is less than or equal to 5.1.
6. A wide-angle high-resolution lens suitable for mass production according to claim 1, 2, 4 or 5, wherein the first to sixth lenses are made of plastic material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236780A (en) * | 2021-12-23 | 2022-03-25 | 福建福光天瞳光学有限公司 | Wide-angle high-resolution lens |
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2021
- 2021-12-23 CN CN202123258813.5U patent/CN216595707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236780A (en) * | 2021-12-23 | 2022-03-25 | 福建福光天瞳光学有限公司 | Wide-angle high-resolution lens |
| CN114236780B (en) * | 2021-12-23 | 2024-03-01 | 福建福光天瞳光学有限公司 | Wide-angle lens |
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