CN107976788B

CN107976788B - Optical imaging lens

Info

Publication number: CN107976788B
Application number: CN201810059848.XA
Authority: CN
Inventors: 李明; 张凯元
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2018-01-22
Filing date: 2018-01-22
Publication date: 2023-11-21
Anticipated expiration: 2038-01-22
Also published as: CN107976788A; WO2019141210A1

Abstract

The application discloses an optical imaging lens, which sequentially comprises the following components from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having optical power; a sixth lens element with negative refractive power having a convex object-side surface and a concave image-side surface; wherein, an air gap exists between the lenses, and the Abbe number V3 of the third lens and the Abbe number V4 of the fourth lens are 4< |V4-V3|is less than or equal to 30.

Description

Optical imaging lens

Technical Field

The application relates to an optical imaging lens, in particular to an optical imaging lens formed by six lenses.

Background

With rapid updating of consumer electronic products such as mobile phones and tablet computers, the requirements of the market on product-end imaging lenses are increasingly diversified. At present, electronic products have a trend of excellent functions, a thin, a short and a small outline, and thus an imaging lens installed in the electronic products is required to have a short and a small outline so as to be suitable for installation, and have good imaging quality.

The invention provides an aspheric 6-piece type large-caliber lens which has a large aperture, has a good imaging effect under the automatic focusing condition, and can simultaneously ensure the processing characteristics and miniaturization.

Disclosure of Invention

In order to solve at least one problem in the prior art, the invention provides an optical imaging lens.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having optical power; a sixth lens element with negative refractive power having a convex object-side surface and a concave image-side surface; the lens is characterized in that an air gap exists between the lenses, and the Abbe number V3 of the third lens and the Abbe number V4 of the fourth lens meet 4< |V4-V3| which is less than or equal to 30.

According to one embodiment of the present invention, 2.ltoreq.f3/R6.ltoreq.7 is satisfied between the effective focal length f3 of the third lens and the radius of curvature R6 of the image side surface of the third lens.

According to one embodiment of the present invention, between the radius of curvature R9 of the object-side surface of the fifth lens and the radius of curvature R10 of the image-side surface of the fifth lens, the ratio of-7.ltoreq.R9+R10)/(R9-R10) is equal to or less than 1.5.

According to one embodiment of the invention, the on-axis distance TTL from the object side surface of the first lens to the imaging surface is less than or equal to 1.5 and less than or equal to 1.5.

According to one embodiment of the present invention, 1.ltoreq.f1/f2.ltoreq.4 is satisfied between the effective focal length f1 of the first lens and the effective focal length f2 of the second lens.

According to one embodiment of the invention, the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens and the effective focal length f3 of the third lens satisfy 0.5 +|f/f2|+|f/f3|2.

According to one embodiment of the present invention, 1.ltoreq.R11/R12.ltoreq.9 is satisfied between the radius of curvature R11 of the object side surface of the sixth lens and the radius of curvature R12 of the image side surface of the sixth lens.

According to one embodiment of the present invention, 0.5.ltoreq.f3/f6.ltoreq.4 is satisfied between the effective focal length f3 of the third lens and the effective focal length f6 of the sixth lens.

According to one embodiment of the invention, the fourth lens Abbe number V4 satisfies 25 < V4 < 50.

According to one embodiment of the present invention, the on-axis distance BFL from the image side surface of the sixth lens element to the image plane and the on-axis distance TTL from the object side surface of the first lens element to the image plane satisfy BFL/TTL less than or equal to 0.15.

According to one embodiment of the present invention, f/EPD is not more than 1.6 between the entrance pupil diameter EPD of the optical imaging lens and the effective focal length f of the optical imaging lens.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein f/EPD is less than or equal to 1.6 between the entrance pupil diameter EPD of the optical imaging lens and the effective focal length f of the optical imaging lens.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, and the object side surface of the sixth lens is characterized in that the on-axis distance BFL from the image side surface of the sixth lens to the imaging surface and the on-axis distance TTL from the object side surface of the first lens to the imaging surface satisfy BFL/TTL less than or equal to 0.15.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having positive optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the effective focal length f3 of the third lens and the curvature radius R6 of the image side surface of the third lens satisfy the condition that f3/R6 is less than or equal to 2 and less than or equal to 7.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having positive optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the curvature radius R9 of the object side surface of the fifth lens and the curvature radius R10 of the image side surface of the fifth lens meet that the ratio of R9+ R10 to R9-R10 is less than or equal to-7 and less than or equal to 1.5.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having positive optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the on-axis distance TTL from the object side surface of the first lens to the imaging surface and half of the diagonal length ImgH of an effective pixel area on the imaging surface meet the condition that TTL/ImgH is less than or equal to 1.5.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having positive optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the effective focal length f1 of the first lens and the effective focal length f2 of the second lens are more than or equal to 1 and less than or equal to 4.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having positive optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens and the effective focal length f3 of the third lens meet the requirement of 0.5-f/f2-plus-f/f3-2.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having positive optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the curvature radius R11 of the object side surface of the sixth lens and the curvature radius R12 of the image side surface of the sixth lens satisfy R11/R12 is less than or equal to 1 and less than or equal to 9.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having positive optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the effective focal length f3 of the third lens and the effective focal length f6 of the sixth lens are more than or equal to 0.5 and less than or equal to f3/f6 and less than or equal to 4.

An aspect of the present invention provides an optical imaging lens including, in order from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface, wherein the Abbe number V4 of the fourth lens is more than 25 and less than 50.

The optical imaging lens provided by the invention has a large aperture, has a good imaging effect under the condition of automatic focusing, and can simultaneously ensure the processing characteristics and miniaturization.

Drawings

Other features, objects and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments, taken in conjunction with the accompanying drawings. In the drawings:

fig. 1 shows a schematic configuration diagram of an optical imaging lens of embodiment 1;

fig. 2 to 5 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 1;

fig. 6 shows a schematic structural diagram of an optical imaging lens of embodiment 2;

fig. 7 to 10 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 2;

fig. 11 shows a schematic structural diagram of an optical imaging lens of embodiment 3;

fig. 12 to 15 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 3;

fig. 16 shows a schematic structural diagram of an optical imaging lens of embodiment 4;

fig. 17 to 20 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 4;

Fig. 21 shows a schematic configuration diagram of an optical imaging lens of embodiment 5;

fig. 22 to 25 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 5;

fig. 26 shows a schematic configuration diagram of an optical imaging lens of embodiment 6;

fig. 27 to 30 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 6;

fig. 31 is a schematic diagram showing the structure of an optical imaging lens of embodiment 7;

fig. 32 to 35 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 7;

fig. 36 is a schematic view showing the structure of an optical imaging lens of embodiment 8;

fig. 37 to 40 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 8;

fig. 41 shows a schematic structural diagram of an optical imaging lens of embodiment 9;

fig. 42 to 45 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 9;

fig. 46 is a schematic diagram showing the structure of an optical imaging lens of embodiment 10;

Fig. 47 to 50 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 10;

fig. 51 is a schematic diagram showing the structure of an optical imaging lens of embodiment 11; and

fig. 52 to 55 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 11;

fig. 56 is a schematic diagram showing the structure of an optical imaging lens of embodiment 12; and

fig. 57 to 60 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 12.

Detailed Description

The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.

It will be understood that when an element or layer is referred to as being "on," "connected to" or "coupled to" another element or layer, it can be directly on, connected or coupled to the other element or layer or intervening elements or layers may be present. When an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout the specification. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, unless the context clearly indicates otherwise, the absence of a limitation to a plurality of features is also intended to include the plurality of features. It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "containing," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Expressions such as "at least one of the elements" when present after a list of elements, modify the entire list of elements, rather than modifying individual elements in the list. Furthermore, when describing embodiments of the present application, the use of "may" means "one or more embodiments of the present application. Also, the term "exemplary" is intended to refer to an example or illustration.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

The application provides an optical imaging lens, which sequentially comprises the following components from an object side to an image side: the first lens with positive focal power has a convex object side surface and a concave image side surface; a second lens having positive optical power, the object side surface of which is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; a fourth lens having optical power; a fifth lens having optical power; the object side surface of the sixth lens is a convex surface, and the image side surface of the sixth lens is a concave surface.

In the embodiment of the application, 2.ltoreq.f3/R6.ltoreq.7, specifically 2.28.ltoreq.f3/R6.ltoreq.6.63 is satisfied between the effective focal length f3 of the third lens and the radius of curvature R6 of the image side surface of the third lens. By satisfying the above relation, it is possible to slow down the light ray deflection, improve the higher order aberration, ensure the processing manufacturability, and reduce the sensitivity.

In the embodiment of the present application, 4< |v4-v3|+.30, specifically, 8.10|v4-v3|+.30.00 is satisfied between the abbe number V3 of the third lens and the abbe number V4 of the fourth lens. Through satisfying above-mentioned relation, can rationally distribute focal power, reduce sensitivity, on the basis of keeping the miniaturized of camera lens, through the mutual cooperation between different materials, correct the camera lens colour difference, reduce the high-order spherical aberration, balanced high-order astigmatism simultaneously.

In the embodiment of the present application, between the radius of curvature R9 of the object-side surface of the fifth lens and the radius of curvature R10 of the image-side surface of the fifth lens, minus 7 (R9+R10)/(R9-R10) minus 1.5, specifically, minus 6.87 minus (R9+R10)/(R9-R10) minus 1.31 is satisfied. By satisfying the above relation, aberration such as astigmatism and distortion of the imaging system can be effectively corrected, and high-grade coma and high-grade astigmatism can be improved, balancing the macro and infinity performances.

In the embodiment of the application, the on-axis distance TTL from the object side surface of the first lens to the imaging surface and the half of the diagonal length ImgH of the effective pixel area on the imaging surface satisfy TTL/ImgH less than or equal to 1.5, and concretely satisfy TTL/ImgH less than or equal to 1.50. By satisfying the above relation, miniaturization of the lens can be ensured, and the lens can have good imaging effect and processing characteristics.

In the embodiment of the present application, 1.ltoreq.f1/f2.ltoreq.4, more specifically 1.34.ltoreq.f1/f2.ltoreq.3.83 is satisfied between the effective focal length f1 of the first lens and the effective focal length f2 of the second lens. By a reasonable distribution of the optical powers of the first and second lenses, the chromatic aberration can be balanced.

In the embodiment of the application, the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens and the effective focal length f3 of the third lens satisfy 0.5+|f2+|f/f3|+|2, more specifically, satisfy 0.98+|f/f2+|f/f3|+|1.67. By satisfying the above relation, the lens aberration can be corrected, and the total optical length can be reduced.

In the embodiment of the present application, 1.ltoreq.R11/R12.ltoreq.9, more specifically 1.48.ltoreq.R11/R12.ltoreq.8.69 is satisfied between the radius of curvature R11 of the object side surface of the sixth lens and the radius of curvature R12 of the image side surface of the sixth lens. By satisfying the above relationship, astigmatism can be balanced, imaging quality can be improved, and CRA matching can be improved.

In the embodiment of the present application, 0.5.ltoreq.f3/f6.ltoreq.4, more specifically 0.54.ltoreq.f3/f6.ltoreq.3.99 is satisfied between the effective focal length f3 of the third lens and the effective focal length f6 of the sixth lens. By reasonably distributing the focal power of the third lens and the sixth lens, the high-grade coma and high-grade astigmatism can be balanced, and the macro performance is improved.

In the embodiment of the application, the on-axis distance BFL from the image side surface of the sixth lens to the imaging surface and the on-axis distance TTL from the object side surface of the first lens to the imaging surface satisfy BFL/TTL less than or equal to 0.15, and more particularly satisfy BFL/TTL less than or equal to 0.13. By satisfying the above relation, miniaturization of the lens can be maintained, meanwhile, mutual influence of the lens, a VCM motor and a sensor is reduced, appearance of the lens is kept clean, and an optical effective surface is reduced.

In the embodiment of the present application, the fourth lens Abbe number V4 satisfies 25 < V4 < 50, more specifically, satisfies 27.50.ltoreq.V4.ltoreq.49.40. By fully utilizing the Abbe number characteristic, the secondary chromatic aberration can be corrected, and the state quality of the lens can be improved.

In the embodiment of the application, f/EPD is less than or equal to 1.6, more specifically, f/EPD is less than or equal to 1.59 between the entrance pupil diameter EPD of the optical imaging lens and the effective focal length f of the optical imaging lens. Through satisfying the formula, can realize big relative aperture to obtain good shooting effect, satisfy the specification effect of current electronic class product simultaneously.

The application is further described below in connection with specific examples.

Example 1

An optical imaging lens according to embodiment 1 of the present application will be described first with reference to fig. 1 to 5.

Fig. 1 is a schematic diagram showing the structure of an optical imaging lens of embodiment 1. As shown in fig. 1, the optical imaging lens includes 6 lenses. The 6 lenses are a first lens E1 having an object side S1 and an image side S2, a second lens E2 having an object side S3 and an image side S4, a third lens E3 having an object side S5 and an image side S6, a fourth lens E4 having an object side S7 and an image side S8, a fifth lens E5 having an object side S9 and an image side S10, and a sixth lens E6 having an object side S11 and an image side S12, respectively. The first to sixth lenses E1 to E6 are disposed in order from the object side to the image side of the optical imaging lens.

The first lens element E1 has positive refractive power, and the object-side surface S1 thereof is convex, and the image-side surface S2 thereof is concave.

The second lens element E2 has positive refractive power, wherein the object-side surface S3 thereof is convex, and the image-side surface S4 thereof is convex.

The third lens element E3 can have negative refractive power, wherein the object-side surface S5 thereof can be convex and the image-side surface S6 thereof can be concave.

The fourth lens element E4 can have positive refractive power, and the object-side surface S7 thereof can be convex, and the image-side surface S8 thereof can be convex.

The fifth lens element E5 can have positive refractive power, and the object-side surface S9 thereof can be concave and the image-side surface S10 can be convex.

The sixth lens element E6 has negative refractive power, wherein the object-side surface S11 thereof is convex and the image-side surface S12 thereof is concave.

The optical imaging lens further comprises an optical filter E7 with an object side surface S13 and an image side surface S14 for filtering infrared light. In this embodiment, light from the object passes through the respective surfaces S1 to S14 in sequence and is finally imaged on the imaging surface S15.

In this embodiment, the first to sixth lenses E1 to E6 have respective effective focal lengths f1 to f6, respectively. The first to sixth lenses E1 to E6 are arranged in order along the optical axis and together determine the total effective focal length f of the optical imaging lens. Table 1 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL (mm) of the optical imaging lens, and half the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	9.71	f(mm)	4.19
				f2(mm)	4.69	TTL(mm)	5.35
f3(mm)	-6.51	ImgH(mm)	3.66
				f4(mm)	13.02
f5(mm)	46.15
				f6(mm)	-9.98

TABLE 1

Table 2 shows the surface types, the radii of curvature, the thicknesses, the materials, and the cone coefficients of the respective lenses in the optical imaging lens in this embodiment, wherein the radii of curvature and the thicknesses are each in millimeters (mm).

TABLE 2

In this embodiment, each lens may be an aspherical lens, and each aspherical surface type x is defined by the following formula:

wherein x is the distance vector height from the vertex of the aspheric surface when the aspheric surface is at the position with the height h along the optical axis direction; c is the paraxial curvature of the aspheric surface, c=1/R (i.e., paraxial curvature c is the inverse of radius of curvature R in table 1 above); k is the conic coefficient (given in table 2); ai is the correction coefficient of the aspherical i-th order.

Table 3 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4201E-01

-1.6149E-01

1.4671E-01

-1.0708E-01

4.1722E-02

-6.2774E-03

0.0000E+00

S2

-1.1568E-02

-3.1339E-02

-1.7366E-02

2.6000E-02

-5.7957E-03

0.0000E+00

S3

-3.7404E-03

-1.8092E-02

-3.3686E-02

5.3543E-02

-1.6987E-02

0.0000E+00

S4

9.8525E-03

-6.5269E-02

7.5894E-02

-6.4769E-02

3.0991E-02

-6.2193E-03

0.0000E+00

S5

-5.1085E-02

5.7674E-03

6.7709E-02

-1.2572E-01

8.0913E-02

-1.6727E-02

0.0000E+00

S6

-4.1793E-02

7.7242E-02

-6.2777E-02

3.2427E-02

-1.7038E-02

6.9124E-03

0.0000E+00

S7

-2.2900E-02

-7.1267E-02

1.1019E-01

-7.1446E-02

2.5108E-02

-5.8837E-03

8.2059E-04

0.0000E+00

S8

2.4247E-02

-2.1670E-01

2.5372E-01

-1.7143E-01

7.8069E-02

-2.1432E-02

2.6509E-03

0.0000E+00

S9

1.3361E-01

-2.2439E-01

1.2901E-01

-4.2814E-02

7.8925E-03

-7.4580E-04

2.6553E-05

5.5766E-07

-4.5380E-08

S10

1.5857E-01

-1.2559E-01

4.8749E-02

-1.0977E-02

1.4309E-03

-1.0977E-04

4.8981E-06

-1.1775E-07

1.1796E-09

S11

-8.8020E-02

1.2165E-02

1.8366E-02

-1.8416E-02

8.2179E-03

-2.0137E-03

2.7352E-04

-1.9059E-05

5.2386E-07

S12

-4.7519E-02

1.2459E-02

-1.3026E-03

-7.4805E-04

3.3620E-04

-6.0677E-05

5.6111E-06

-2.5900E-07

4.7135E-09

TABLE 3 Table 3

Fig. 2 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 1, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 3 shows an astigmatism curve of the optical imaging lens of embodiment 1, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 4 shows a distortion curve of the optical imaging lens of embodiment 1, which represents distortion magnitude values at different angles of view. Fig. 5 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 1, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 2 to 5, the optical imaging lens according to embodiment 1 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 2

An optical imaging lens according to embodiment 2 of the present application is described below with reference to fig. 6 to 10.

Fig. 6 is a schematic diagram showing the structure of an optical imaging lens of embodiment 2. As shown in fig. 6, the optical imaging lens includes 6 lenses. The 6 lenses are a first lens E1 having an object side S1 and an image side S2, a second lens E2 having an object side S3 and an image side S4, a third lens E3 having an object side S5 and an image side S6, a fourth lens E4 having an object side S7 and an image side S8, a fifth lens E5 having an object side S9 and an image side S10, and a sixth lens E6 having an object side S11 and an image side S12, respectively. The first to sixth lenses E1 to E6 are disposed in order from the object side to the image side of the optical imaging lens.

The fourth lens element E4 can have negative refractive power, wherein the object-side surface S7 thereof can be convex and the image-side surface S8 thereof can be concave.

The fifth lens element E5 can have positive refractive power, and the object-side surface S9 thereof can be convex, and the image-side surface S10 thereof can be convex.

The optical imaging lens further comprises an optical filter E7 with an object side surface S13 and an image side surface S14 for filtering infrared light. In this embodiment, light from the object passes through each of the surfaces S1 to S14 in turn to be finally imaged on the imaging surface S15.

Table 4 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half the diagonal length ImgH of the effective pixel area of the electronic light sensing element.

f1(mm)	8.88	f(mm)	4.21
				f2(mm)	6.60	TTL(mm)	5.31
f3(mm)	-12.34	ImgH(mm)	3.66
				f4(mm)	-32.67
f5(mm)	3.90
				f6(mm)	-3.25

TABLE 4 Table 4

Table 5 shows the surface types, the radii of curvature, the thicknesses, the materials, and the cone coefficients of the respective lenses in the optical imaging lens in this embodiment, wherein the radii of curvature and the thicknesses are each in millimeters (mm).

TABLE 5

Table 6 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment. Wherein each aspherical surface profile can be defined by the formula (1) given in the above-described embodiment 1.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.1866E-01

-1.1916E-01

1.1182E-01

-7.8225E-02

2.7286E-02

-3.5478E-03

0.0000E+00

S2

-4.3299E-02

-4.4921E-02

1.5043E-02

1.6637E-02

-5.3280E-03

0.0000E+00

S3

-6.2939E-03

-7.8701E-02

4.9635E-02

1.5440E-02

-8.3835E-03

0.0000E+00

S4

-3.1875E-02

5.1426E-02

-1.3844E-01

1.5291E-01

-7.5650E-02

1.4220E-02

0.0000E+00

S5

-8.7226E-03

8.5129E-02

-2.4144E-01

2.1742E-01

-8.3629E-02

1.1877E-02

0.0000E+00

S6

-1.3146E-02

6.5731E-02

-1.3654E-01

1.0663E-01

-3.5077E-02

5.1094E-03

0.0000E+00

S7

-7.9734E-02

4.2721E-02

2.7485E-02

-1.0263E-01

9.0614E-02

-3.4721E-02

4.9583E-03

0.0000E+00

S8

-8.0297E-02

-1.9718E-02

5.1511E-02

-4.8501E-02

2.0143E-02

-2.4664E-03

-1.0906E-04

0.0000E+00

S9

-3.4532E-02

-1.4588E-02

-3.7109E-03

3.1097E-03

-4.4664E-03

2.8769E-03

-7.9083E-04

9.9363E-05

-4.7488E-06

S10

2.9387E-02

2.1548E-03

-1.6031E-02

9.7240E-03

-2.6602E-03

3.9179E-04

-3.2224E-05

1.3977E-06

-2.4969E-08

S11

-2.6663E-01

1.1061E-01

-2.1951E-02

2.5603E-03

-1.8959E-04

9.0198E-06

-2.6567E-07

4.3858E-09

-3.0905E-11

S12

-1.0853E-01

3.7505E-02

-7.1985E-03

7.7393E-04

-4.8309E-05

1.7873E-06

-3.8636E-08

4.5100E-10

-2.1970E-12

TABLE 6

Fig. 7 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 2, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 8 shows an astigmatism curve of the optical imaging lens of embodiment 2, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 9 shows a distortion curve of the optical imaging lens of embodiment 2, which represents distortion magnitude values at different angles of view. Fig. 10 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 2, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 7 to 10, the optical imaging lens according to embodiment 2 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 3

An optical imaging lens according to embodiment 3 of the present application is described below with reference to fig. 11 to 15.

Fig. 11 is a schematic diagram showing the structure of an optical imaging lens of embodiment 3. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

Table 7 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half the diagonal length ImgH of the effective pixel area of the electronic light sensing element.

TABLE 7

Table 8 shows the surface types, the radii of curvature, the thicknesses, the materials, and the cone coefficients of the respective lenses in the optical imaging lens in this embodiment, wherein the radii of curvature and the thicknesses are each in millimeters (mm).

TABLE 8

Table 9 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

TABLE 9

Fig. 12 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 3, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 13 shows an astigmatism curve of the optical imaging lens of embodiment 3, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 14 shows a distortion curve of the optical imaging lens of embodiment 3, which represents distortion magnitude values at different angles of view. Fig. 15 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 3, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 12 to 15, the optical imaging lens according to embodiment 3 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 4

An optical imaging lens according to embodiment 4 of the present application is described below with reference to fig. 16 to 20.

Fig. 16 is a schematic diagram showing the structure of an optical imaging lens of embodiment 4. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The fourth lens element E4 can have negative refractive power, wherein the object-side surface S7 thereof can be concave and the image-side surface S8 thereof can be convex.

The fifth lens element E5 can have positive refractive power, and the object-side surface S9 thereof can be convex, and the image-side surface S10 can be concave.

The following table 10 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	9.11	f(mm)	4.17
				f2(mm)	5.01	TTL(mm)	5.35
f3(mm)	-6.87	ImgH(mm)	3.66
				f4(mm)	-46.29
f5(mm)	7.97
				f6(mm)	-8.94

Table 10

Table 11 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the optical imaging lens in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).

TABLE 11

Table 12 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Flour with a plurality of grooves

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.3922E-01

-1.6780E-01

1.5093E-01

-9.9103E-02

3.3727E-02

-4.2503E-03

0.0000E+00

S2

-1.5182E-02

-4.5569E-02

2.6182E-02

-1.1607E-02

4.9677E-03

0.0000E+00

S3

2.6578E-02

-1.0784E-01

6.8674E-02

-1.3453E-02

3.7680E-04

0.0000E+00

S4

3.2719E-02

-1.8122E-01

2.2544E-01

-1.5139E-01

5.2533E-02

-7.4430E-03

0.0000E+00

S5

1.6251E-02

-1.7106E-01

2.4635E-01

-1.9744E-01

8.4993E-02

-1.4220E-02

0.0000E+00

S6

4.6435E-03

-2.1714E-02

1.7954E-02

-6.3993E-03

5.2562E-04

1.0828E-03

0.0000E+00

S7

-2.4825E-02

9.6897E-04

-1.6654E-05

1.3763E-07

-5.6983E-10

1.1400E-12

-7.1619E-15

0.0000E+00

S8

-1.0785E-01

-5.8470E-04

4.5816E-02

-4.1463E-02

1.8807E-02

-4.0771E-03

3.3112E-04

0.0000E+00

S9

-6.9396E-02

-2.3728E-02

7.7608E-03

-3.4654E-04

-2.1296E-03

9.9153E-04

-1.8254E-04

1.5507E-05

-5.1063E-07

S10

4.0625E-03

-3.1971E-02

9.4583E-03

-1.3377E-03

1.0507E-04

-4.8483E-06

1.3101E-07

-1.9216E-09

1.1823E-11

S11

-2.1825E-01

2.1062E-02

3.0270E-02

-1.4423E-02

3.1583E-03

-3.9756E-04

2.9409E-05

-1.1862E-06

2.0100E-08

S12

-1.0310E-01

2.6090E-02

-3.5639E-03

2.8561E-04

-1.4250E-05

4.4600E-07

-8.4476E-09

8.8028E-11

-3.8587E-13

Table 12

Fig. 17 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 4, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 18 shows an astigmatism curve of the optical imaging lens of embodiment 4, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 19 shows a distortion curve of the optical imaging lens of embodiment 4, which represents distortion magnitude values at different angles of view. Fig. 20 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 4, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 17 to 20, the optical imaging lens according to embodiment 4 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 5

An optical imaging lens according to embodiment 5 of the present application is described below with reference to fig. 21 to 25.

Fig. 21 is a schematic diagram showing the structure of an optical imaging lens of embodiment 5. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The second lens element E2 can have positive refractive power, and the object-side surface S3 thereof can be convex, and the image-side surface S4 thereof can be concave.

Table 13 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half the diagonal length ImgH of the effective pixel area of the electronic light sensing element.

f1(mm)	20.27	f(mm)	4.21
				f2(mm)	5.30	TTL(mm)	5.35
f3(mm)	-16.63	ImgH(mm)	3.66
				f4(mm)	-8.54
f5(mm)	3.31
				f6(mm)	-4.17

TABLE 13

Table 14 below shows the surface types, radii of curvature, thicknesses, materials, and conic coefficients of the respective lenses in the optical imaging lens in this embodiment, wherein the radii of curvature and thicknesses are each in millimeters (mm).

TABLE 14

Table 15 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.3294E-01

-1.5197E-01

1.3632E-01

-9.3584E-02

3.4665E-02

-5.0217E-03

0.0000E+00

S2

3.9629E-02

-1.0958E-01

5.6266E-02

-7.8887E-03

-1.6408E-04

0.0000E+00

S3

-1.7020E-02

-1.0793E-02

-3.2750E-02

4.8761E-02

-1.4365E-02

0.0000E+00

S4

-4.7708E-03

-1.8980E-02

-3.4749E-02

5.1065E-02

-2.2246E-02

2.8334E-03

0.0000E+00

S5

-4.4891E-02

1.2922E-02

-2.9862E-02

3.8448E-02

-1.7274E-02

2.8725E-03

0.0000E+00

S6

-3.7941E-02

5.9881E-02

-7.9435E-02

8.7091E-02

-4.9672E-02

1.2360E-02

0.0000E+00

S7

-1.1082E-01

2.1682E-01

-3.0531E-01

2.7142E-01

-1.4545E-01

4.2621E-02

-5.3311E-03

0.0000E+00

S8

-1.2496E-01

1.4878E-01

-1.5032E-01

9.0666E-02

-3.0719E-02

5.5412E-03

-4.2183E-04

0.0000E+00

S9

-1.1946E-01

8.0371E-02

-5.3537E-02

1.6587E-02

-1.0943E-03

-9.7506E-04

4.0032E-04

-6.7454E-05

4.3002E-06

S10

-4.4193E-03

1.2308E-02

-3.8817E-03

6.8593E-04

-8.1643E-05

6.4600E-06

-3.1854E-07

8.7938E-09

-1.0372E-10

S11

-4.1029E-01

1.8755E-01

-5.4872E-02

1.3126E-02

-2.6241E-03

3.8484E-04

-3.6335E-05

1.9273E-06

-4.3233E-08

S12

-1.2135E-01

4.5161E-02

-9.8484E-03

1.2928E-03

-1.0288E-04

4.8850E-06

-1.3504E-07

2.0070E-09

-1.2403E-11

TABLE 15

Fig. 22 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 5, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 23 shows an astigmatism curve of the optical imaging lens of embodiment 5, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 24 shows a distortion curve of the optical imaging lens of embodiment 5, which represents distortion magnitude values at different angles of view. Fig. 25 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 5, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 22 to 25, the optical imaging lens according to embodiment 5 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 6

An optical imaging lens according to embodiment 6 of the present application is described below with reference to fig. 26 to 30.

Fig. 26 is a schematic diagram showing the structure of an optical imaging lens of embodiment 6. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The fourth lens element E4 can have positive refractive power, and the object-side surface S7 thereof can be convex, and the image-side surface S8 can be concave.

The following table 16 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	8.13	f(mm)	4.31
				f2(mm)	4.95	TTL(mm)	5.35
f3(mm)	-5.63	ImgH(mm)	3.66
				f4(mm)	31.36
f5(mm)	8.71
				f6(mm)	-5.39

Table 16

Table 17 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the optical imaging lens in this embodiment, wherein the unit of radius of curvature and thickness are each millimeter (mm).

TABLE 17

Table 18 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4156E-01

-1.6362E-01

1.4351E-01

-9.3624E-02

3.2087E-02

-4.1365E-03

0.0000E+00

S2

-2.2525E-02

-2.7734E-02

5.3420E-03

3.6841E-03

-9.1458E-05

0.0000E+00

S3

1.5747E-02

-5.7712E-02

2.2492E-02

1.4318E-02

-7.2467E-03

0.0000E+00

S4

1.0353E-01

-2.8439E-01

3.0650E-01

-1.8558E-01

6.0645E-02

-8.5343E-03

0.0000E+00

S5

4.7943E-02

-2.0209E-01

2.1706E-01

-1.3753E-01

5.2979E-02

-8.4048E-03

0.0000E+00

S6

-5.7251E-03

2.1328E-02

-5.9081E-02

5.9434E-02

-2.7488E-02

6.5058E-03

0.0000E+00

S7

-8.1202E-02

9.4241E-02

-1.6084E-01

1.8133E-01

-1.3091E-01

4.9779E-02

-7.2455E-03

0.0000E+00

S8

-1.3505E-01

9.1992E-02

-9.4987E-02

7.9594E-02

-4.3749E-02

1.2993E-02

-1.4698E-03

0.0000E+00

S9

-7.1447E-02

-5.9063E-03

-3.3123E-02

6.8796E-02

-7.1501E-02

4.2119E-02

-1.4309E-02

2.6048E-03

-1.9505E-04

S10

-7.9923E-03

-2.3447E-02

6.3202E-03

-6.0088E-04

2.1945E-05

-2.3280E-07

2.4690E-08

-2.1663E-09

4.6400E-11

S11

-2.2200E-01

6.7076E-02

-5.9292E-03

-7.3585E-04

2.2321E-04

-2.2328E-05

1.1421E-06

-3.0175E-08

3.2861E-10

S12

-1.0781E-01

3.2414E-02

-5.4985E-03

5.3700E-04

-3.1031E-05

1.0745E-06

-2.1869E-08

2.4115E-10

-1.1117E-12

TABLE 18

Fig. 27 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 6, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 28 shows an astigmatism curve of the optical imaging lens of embodiment 6, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 29 shows a distortion curve of the optical imaging lens of embodiment 6, which represents distortion magnitude values at different angles of view. Fig. 30 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 6, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 27 to 30, the optical imaging lens according to embodiment 6 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 7

An optical imaging lens according to embodiment 7 of the present application is described below with reference to fig. 31 to 35.

Fig. 31 is a schematic diagram showing the structure of an optical imaging lens of embodiment 7. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The following table 19 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	8.43	f(mm)	4.21
				f2(mm)	6.31	TTL(mm)	5.35
f3(mm)	-8.85	ImgH(mm)	3.66
				f4(mm)	34.34
f5(mm)	6.46
				f6(mm)	-4.80

TABLE 19

Table 20 below shows the surface types, radii of curvature, thicknesses, materials, and conic coefficients of the respective lenses in the optical imaging lens in this embodiment, wherein the radii of curvature and thicknesses are each in millimeters (mm).

Table 20

Table 21 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.3297E-01

-1.2623E-01

1.0158E-01

-6.3328E-02

2.0304E-02

-2.4887E-03

0.0000E+00

S2

-1.2557E-02

-1.8564E-02

-1.3008E-02

1.6288E-02

-3.2829E-03

0.0000E+00

S3

-1.0716E-02

-2.4927E-02

2.5883E-03

1.9844E-02

-6.4267E-03

0.0000E+00

S4

-2.9366E-02

1.7641E-02

-2.2732E-02

1.7501E-02

-7.8338E-03

1.6399E-03

0.0000E+00

S5

2.2064E-02

-1.1635E-01

1.7081E-01

-1.7019E-01

8.6326E-02

-1.5863E-02

0.0000E+00

S6

-3.2101E-02

5.6643E-02

-6.7350E-02

4.3595E-02

-1.6952E-02

4.6668E-03

0.0000E+00

S7

-3.5148E-02

-3.0141E-02

9.4238E-02

-9.9886E-02

5.9463E-02

-1.8866E-02

2.3858E-03

0.0000E+00

S8

-2.9276E-02

-1.2129E-01

1.7436E-01

-1.3611E-01

6.7076E-02

-1.7860E-02

1.8968E-03

0.0000E+00

S9

1.1416E-01

-1.8048E-01

1.2785E-01

-7.3719E-02

2.8386E-02

-6.4200E-03

8.0707E-04

-5.1462E-05

1.2648E-06

S10

1.7102E-01

-1.0861E-01

3.1458E-02

-4.5838E-03

1.6985E-04

5.1170E-05

-8.8606E-06

5.8850E-07

-1.4847E-08

S11

-1.0496E-01

1.5688E-02

6.3868E-03

-3.3275E-03

7.0043E-04

-8.2606E-05

5.6269E-06

-2.0568E-07

3.1128E-09

S12

-4.9575E-02

9.7892E-03

-1.1959E-03

7.8335E-05

-2.7201E-06

5.3680E-08

-6.0429E-10

3.5768E-12

-8.4470E-15

Table 21

Fig. 32 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 7, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 33 shows an astigmatism curve of the optical imaging lens of embodiment 7, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 34 shows a distortion curve of the optical imaging lens of embodiment 7, which represents distortion magnitude values in the case of different angles of view. Fig. 35 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 7, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 31 to 35, the optical imaging lens according to embodiment 7 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 8

An optical imaging lens according to embodiment 8 of the present application is described below with reference to fig. 36 to 40.

Fig. 36 is a schematic diagram showing the structure of an optical imaging lens of embodiment 8. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The following table 22 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	15.56	f(mm)	4.23
				f2(mm)	4.21	TTL(mm)	5.35
f3(mm)	-6.94	ImgH(mm)	3.66
				f4(mm)	20.84
f5(mm)	8.75
				f6(mm)	-5.55

Table 22

Table 23 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the optical imaging lens in this embodiment, wherein the unit of radius of curvature and thickness are each millimeter (mm).

Table 23

Table 24 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.2531E-01

-1.2391E-01

9.4384E-02

-5.4827E-02

1.7078E-02

-2.0702E-03

0.0000E+00

S2

-9.8450E-03

-3.2543E-02

2.6290E-03

8.4411E-03

-1.8045E-03

0.0000E+00

S3

1.5261E-02

-3.8469E-02

-3.0385E-03

2.2422E-02

-6.5983E-03

0.0000E+00

S4

-3.8430E-02

5.6005E-02

-9.0504E-02

6.8352E-02

-2.4859E-02

3.5615E-03

0.0000E+00

S5

-6.5751E-02

1.0353E-01

-9.7339E-02

3.0889E-02

3.8377E-03

-2.2884E-03

0.0000E+00

S6

-3.7319E-02

8.3952E-02

-6.7901E-02

1.9196E-02

1.2931E-03

-2.0906E-05

0.0000E+00

S7

-4.8180E-02

2.1383E-02

-3.6587E-03

3.2681E-04

-1.6135E-05

4.1730E-07

-4.4157E-09

0.0000E+00

S8

-4.3110E-02

-4.3120E-02

4.5730E-02

-1.8597E-02

3.3094E-03

4.6809E-04

-1.5901E-04

0.0000E+00

S9

9.3957E-02

-1.0039E-01

-2.5339E-02

1.3816E-01

-1.7631E-01

1.2057E-01

-4.6831E-02

9.6626E-03

-8.1622E-04

S10

8.1827E-02

4.7796E-02

-1.0349E-01

6.3991E-02

-2.2261E-02

4.7734E-03

-6.1795E-04

4.3932E-05

-1.3106E-06

S11

-2.1291E-01

1.5756E-01

-8.9174E-02

3.1581E-02

-6.8264E-03

9.1139E-04

-7.3983E-05

3.3841E-06

-6.8086E-08

S12

-1.0876E-01

6.6448E-02

-3.0398E-02

8.8333E-03

-1.6071E-03

1.8180E-04

-1.2356E-05

4.5963E-07

-7.1628E-09

Table 24

Fig. 37 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 8, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 38 shows an astigmatism curve of the optical imaging lens of embodiment 8, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 39 shows a distortion curve of the optical imaging lens of embodiment 8, which represents distortion magnitude values at different angles of view. Fig. 40 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 8, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 36 to 40, the optical imaging lens according to embodiment 8 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 9

An optical imaging lens according to embodiment 9 of the present application is described below with reference to fig. 41 to 45.

Fig. 41 is a schematic diagram showing the structure of an optical imaging lens of embodiment 9. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The following table 25 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

Table 25

Table 26 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the optical imaging lens in this embodiment, wherein the radius of curvature and thickness are each in millimeters (mm).

Table 26

Table 27 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Table 27

Fig. 42 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 9, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 43 shows an astigmatism curve of the optical imaging lens of embodiment 9, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 44 shows a distortion curve of the optical imaging lens of embodiment 9, which represents distortion magnitude values at different angles of view. Fig. 45 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 9, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 41 to 45, the optical imaging lens according to embodiment 9 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 10

An optical imaging lens according to embodiment 10 of the present application is described below with reference to fig. 46 to 50.

Fig. 46 is a schematic diagram showing the structure of an optical imaging lens of embodiment 10. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The following table 28 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	8.12	f(mm)	4.20
				f2(mm)	5.55	TTL(mm)	5.31
f3(mm)	-7.44	ImgH(mm)	3.70
				f4(mm)	-182.50
f5(mm)	11.56
				f6(mm)	-10.49

Table 28

Table 29 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the optical imaging lens in this embodiment, wherein the unit of radius of curvature and thickness are each millimeter (mm).

Table 29

Table 30 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4463E-01

-1.6691E-01

1.5102E-01

-1.0162E-01

3.4380E-02

-4.1245E-03

0.0000E+00

S2

-3.3359E-02

-4.4206E-02

1.4106E-02

1.2617E-02

-8.1874E-03

2.0351E-03

0.0000E+00

S3

-9.2450E-03

-7.4388E-02

2.4814E-02

4.6833E-02

-3.2846E-02

5.8811E-03

0.0000E+00

S4

4.4607E-02

-2.3434E-01

3.0259E-01

-2.1118E-01

7.6268E-02

-1.1307E-02

0.0000E+00

S5

3.8225E-02

-1.8223E-01

2.3524E-01

-1.9430E-01

9.2961E-02

-1.7249E-02

0.0000E+00

S6

-2.3590E-03

1.5725E-02

-6.2190E-02

6.6824E-02

-3.3384E-02

8.8274E-03

0.0000E+00

S7

-8.0419E-02

7.9591E-02

-1.4430E-01

1.6618E-01

-1.2211E-01

4.6000E-02

-6.2141E-03

0.0000E+00

S8

-1.3593E-01

9.0759E-02

-8.8532E-02

6.7755E-02

-3.3777E-02

8.9475E-03

-7.9031E-04

0.0000E+00

S9

-9.7582E-02

2.3220E-02

-8.6355E-03

-2.9745E-02

3.4598E-02

-1.7527E-02

4.4584E-03

-5.0859E-04

1.6622E-05

S10

-9.6689E-02

1.2549E-01

-1.4001E-01

8.6940E-02

-3.3806E-02

8.4176E-03

-1.2938E-03

1.1119E-04

-4.0757E-06

S11

-3.5998E-01

1.8591E-01

-8.4076E-02

3.3169E-02

-9.3460E-03

1.7012E-03

-1.8947E-04

1.1756E-05

-3.1176E-07

S12

-1.4603E-01

7.2391E-02

-2.7699E-02

7.0885E-03

-1.0777E-03

8.2473E-05

-1.0407E-06

-2.4732E-07

1.1288E-08

Table 30

Fig. 47 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 10, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 48 shows an astigmatism curve of the optical imaging lens of embodiment 10, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 49 shows a distortion curve of the optical imaging lens of embodiment 10, which represents distortion magnitude values at different angles of view. Fig. 50 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 10, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 46 to 50, the optical imaging lens according to embodiment 10 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 11

An optical imaging lens according to embodiment 11 of the present application is described below with reference to fig. 51 to 55.

Fig. 51 is a schematic diagram showing the structure of an optical imaging lens of embodiment 11. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The following table 31 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	8.94	f(mm)	4.30
				f2(mm)	5.70	TTL(mm)	5.55
f3(mm)	-8.07	ImgH(mm)	3.70
				f4(mm)	-823.14
f5(mm)	10.30
				f6(mm)	-9.44

Table 31

Table 32 below shows the surface types, radii of curvature, thicknesses, materials, and conic coefficients of the respective lenses in the optical imaging lens in this embodiment, wherein the radii of curvature and thicknesses are each in millimeters (mm).

Table 32

Table 33 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.0734E-01

-1.0123E-01

7.3688E-02

-3.9391E-02

1.0691E-02

-1.0648E-03

0.0000E+00

S2

-3.3765E-02

-1.9795E-02

-1.7235E-04

1.1438E-02

-5.6298E-03

9.9253E-04

0.0000E+00

S3

4.4742E-03

-5.3144E-02

1.2924E-02

2.3095E-02

-1.3740E-02

2.1521E-03

0.0000E+00

S4

3.1367E-02

-1.4865E-01

1.4902E-01

-7.9716E-02

2.1957E-02

-2.4712E-03

0.0000E+00

S5

2.6407E-02

-1.1268E-01

9.7483E-02

-5.1703E-02

1.8619E-02

-2.7954E-03

0.0000E+00

S6

-6.1028E-03

1.7887E-02

-5.0591E-02

4.9767E-02

-2.1079E-02

4.3055E-03

0.0000E+00

S7

-4.4619E-02

3.1963E-02

-4.7132E-02

4.6036E-02

-3.1810E-02

1.1854E-02

-1.6780E-03

0.0000E+00

S8

-1.0330E-01

4.9630E-02

-3.0307E-02

1.6667E-02

-7.1128E-03

1.7959E-03

-1.6641E-04

0.0000E+00

S9

-8.1865E-02

3.4581E-03

1.3591E-02

-4.3335E-02

4.1862E-02

-2.1499E-02

6.0751E-03

-8.7463E-04

4.9820E-05

S10

-7.4663E-02

9.1805E-02

-1.0805E-01

6.9322E-02

-2.7990E-02

7.2156E-03

-1.1356E-03

9.8675E-05

-3.6160E-06

S11

-3.6259E-01

1.8813E-01

-8.5665E-02

3.3847E-02

-9.4653E-03

1.6983E-03

-1.8538E-04

1.1212E-05

-2.8832E-07

S12

-1.6612E-01

9.1835E-02

-3.8051E-02

1.0912E-02

-2.0085E-03

2.2633E-04

-1.4623E-05

4.6845E-07

-4.8749E-09

Table 33

Fig. 52 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 11, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 53 shows an astigmatism curve of the optical imaging lens of embodiment 11, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 54 shows a distortion curve of the optical imaging lens of embodiment 11, which represents distortion magnitude values in the case of different angles of view. Fig. 55 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 11, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 51 to 55, the optical imaging lens according to embodiment 11 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

Example 12

An optical imaging lens according to embodiment 12 of the present application is described below with reference to fig. 56 to 60.

Fig. 56 is a schematic diagram showing the structure of an optical imaging lens of embodiment 12. The optical imaging lens sequentially comprises a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5 and a sixth lens E6 from an object side to an image side.

The following table 34 shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and half of the diagonal length ImgH of the effective pixel region of the electronic light sensing element.

f1(mm)	9.07	f(mm)	4.30
				f2(mm)	6.15	TTL(mm)	5.55
f3(mm)	-9.09	ImgH(mm)	3.70
				f4(mm)	-239.18
f5(mm)	9.60
				f6(mm)	-9.48

Watch 34

Table 35 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the optical imaging lens in this embodiment, wherein the unit of radius of curvature and thickness are each millimeter (mm).

Table 35

Table 36 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.0474E-01

-9.8113E-02

6.9772E-02

-3.6535E-02

9.8362E-03

-9.8477E-04

0.0000E+00

S2

-2.3953E-02

-1.9051E-02

-1.2246E-03

8.0734E-03

-3.1492E-03

4.8480E-04

0.0000E+00

S3

-4.8417E-04

-2.4218E-02

-1.5023E-02

3.1768E-02

-1.3370E-02

1.7544E-03

0.0000E+00

S4

2.8579E-02

-1.2860E-01

1.2520E-01

-6.5226E-02

1.7614E-02

-1.9541E-03

0.0000E+00

S5

3.3968E-02

-1.3299E-01

1.2297E-01

-6.9382E-02

2.4179E-02

-3.4386E-03

0.0000E+00

S6

-2.0267E-03

9.4112E-04

-2.7347E-02

3.2331E-02

-1.5492E-02

3.5579E-03

0.0000E+00

S7

-4.6888E-02

3.1599E-02

-4.3830E-02

3.9837E-02

-2.5442E-02

8.2197E-03

-8.7514E-04

0.0000E+00

S8

-1.0679E-01

5.3553E-02

-3.7819E-02

2.3831E-02

-1.0676E-02

2.6150E-03

-2.2364E-04

0.0000E+00

S9

-7.7347E-02

1.0785E-03

2.1095E-02

-5.2885E-02

4.7506E-02

-2.2999E-02

6.1819E-03

-8.5468E-04

4.7131E-05

S10

-6.8595E-02

9.6381E-02

-1.1385E-01

7.1758E-02

-2.8208E-02

7.0450E-03

-1.0716E-03

8.9863E-05

-3.1745E-06

S11

-3.5568E-01

1.8638E-01

-8.6056E-02

3.3476E-02

-9.0692E-03

1.5748E-03

-1.6690E-04

9.8387E-06

-2.4746E-07

S12

-1.7531E-01

9.7610E-02

-4.0139E-02

1.1067E-02

-1.8890E-03

1.8556E-04

-8.8993E-06

8.2046E-08

5.3939E-09

Table 36

Fig. 57 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 12, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 58 shows an astigmatism curve of the optical imaging lens of embodiment 12, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 59 shows a distortion curve of the optical imaging lens of embodiment 12, which represents distortion magnitude values at different angles of view. Fig. 60 shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 12, which represents the deviation of different image heights on the imaging plane after light passes through the optical imaging lens. As can be seen from the above description and referring to fig. 56 to 60, the optical imaging lens according to embodiment 12 has a large aperture, has a good imaging effect in the auto-focus condition, and ensures the processing characteristics and miniaturization.

In summary, in the above-described embodiments 1 to 12, each conditional expression satisfies the condition of the following table 37.

/>

Table 37

The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.

Claims

1. An optical imaging lens comprising, in order from an object side to an image side:

the first lens with positive focal power has a convex object side surface and a concave image side surface;

the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a convex surface;

the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface;

a fourth lens having optical power;

a fifth lens element with positive refractive power having a convex object-side surface and a concave image-side surface;

A sixth lens element with negative refractive power having a convex object-side surface and a concave image-side surface,

it is characterized in that the method comprises the steps of,

the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens are not less than 1.40 and not more than 1.6,

the radius of curvature R9 of the object side of the fifth lens and the radius of curvature R10 of the image side of the fifth lens satisfy-7.ltoreq.R9+R10)/(R9-R10). Ltoreq.2.95, and

the number of lenses having optical power in the optical imaging lens is six.

2. The optical imaging lens as claimed in claim 1, wherein an on-axis distance TTL from an object side surface to an imaging surface of the first lens and a half of a diagonal length ImgH of an effective pixel region on the imaging surface satisfy 1.42 ∈ttl/ImgH ∈1.5.

3. The optical imaging lens according to claim 1 or 2, wherein 1.46.ltoreq.f1/f2.ltoreq.1.82 is satisfied between an effective focal length f1 of the first lens and an effective focal length f2 of the second lens.

4. The optical imaging lens according to claim 1 or 2, wherein 1.17+|f/f2+|f/f3|+|1.64 is satisfied between an effective focal length f of the optical imaging lens, an effective focal length f2 of the second lens, and an effective focal length f3 of the third lens.

5. The optical imaging lens as claimed in claim 1 or 2, wherein a radius of curvature R11 of the object side surface of the sixth lens element and a radius of curvature R12 of the image side surface of the sixth lens element satisfy 1.48R 11/R12 1.89.

6. The optical imaging lens according to claim 1 or 2, wherein 0.5.ltoreq.f3/f6.ltoreq.1.04 is satisfied between an effective focal length f3 of the third lens and an effective focal length f6 of the sixth lens.

7. The optical imaging lens according to claim 1 or 2, wherein the fourth lens abbe number V4 satisfies 25 < V4 < 50.

8. The optical imaging lens according to claim 1, wherein 4< |v4-v3|+.30 is satisfied between the abbe number V3 of the third lens and the abbe number V4 of the fourth lens.