CN109960018B

CN109960018B - Optical imaging lens

Info

Publication number: CN109960018B
Application number: CN201910393255.1A
Authority: CN
Inventors: 闻人建科
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2018-05-04
Filing date: 2019-04-03
Publication date: 2021-05-25
Anticipated expiration: 2039-04-03
Also published as: CN110146969B; CN110146969A; CN110082892A; CN110082892B; CN109960018A

Abstract

The application discloses optical imaging lens includes from object side to image side in proper order: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, wherein the first lens has positive focal power; the second lens has negative focal power, and the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has focal power; the fourth lens has focal power; the fifth lens has positive focal power; the sixth lens has negative focal power, and the image side surface of the sixth lens is a concave surface; f/EPD is less than or equal to 2.0 between the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens; and the on-axis distance TTL from the object side surface of the first lens to the imaging surface and half of the HFOV of the maximum field angle of the optical imaging lens meet the condition That TTL (TTL) and HFOV (HFOV) are not less than 4.14mm and not more than 4.77 mm. The optical imaging lens has an oversized optical image plane, can be used for a 1/2.3 inch chip, and has an oversized aperture.

Description

Optical imaging lens

Technical Field

The application relates to an optical imaging lens, in particular to an optical imaging lens consisting of six lenses.

Background

With the development of science and technology, electronic products with a camera shooting function are rapidly developed, and the demand of consumers for electronic products with ideal shooting effects is more and more strong, so that the requirement of high imaging quality is brought to the imaging lens. Meanwhile, the number of pixels on a chip is increased and the size of a single pixel is reduced due to the improvement of technologies of image sensors such as a CCD and a CMOS, which makes the requirement for miniaturization of an imaging lens higher and higher.

The invention provides an optical lens with an oversized optical image plane, which can be used for a 1/2.3-inch chip and is provided with an oversized aperture.

Disclosure of Invention

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

An aspect of the present application provides an optical imaging lens, including, in order from an object side to an image side: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, wherein the first lens has positive focal power; the second lens has negative focal power, and the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has focal power; the fourth lens has focal power; the fifth lens has positive focal power, and the image side surface of the fifth lens is a convex surface; the sixth lens has negative focal power, and the object side surface of the sixth lens is a concave surface, and the image side surface of the sixth lens is a concave surface; the effective focal length f of the optical imaging lens, the effective focal length f3 of the third lens and the effective focal length f4 of the fourth lens meet the condition that | f/f3| + | f/f4| is less than or equal to 0.3.

According to one embodiment of the application, the ImgH/TTL is more than or equal to 0.75 and less than or equal to 0.9 between half of the diagonal length ImgH of the effective pixel area on the imaging surface and the on-axis distance TTL from the object side surface of the first lens to the imaging surface.

According to one embodiment of the application, 2.0 ≦ f/f2| + | f/f6| <3.0 is satisfied between the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens, and the effective focal length f6 of the sixth lens.

According to one embodiment of the present application, 0.5< f1/f5<1.2 is satisfied between the effective focal length f1 of the first lens and the effective focal length f5 of the fifth lens.

According to one embodiment of the application, 0< f/R5<0.5 is satisfied between the effective focal length f of the optical imaging lens and the curvature radius R5 of the object side surface of the third lens.

According to one embodiment of the application, the effective focal length f of the optical imaging lens and the curvature radius R10 of the image side surface of the fifth lens meet-2.5 < f/R10< -1.5.

According to one embodiment of the present application, a radius of curvature R7 of the object-side surface of the fourth lens and a radius of curvature R8 of the image-side surface of the fourth lens satisfy 0.5< R7/R8< 2.0.

According to one embodiment of the present application, an air space T34 between the third lens and the fourth lens on the optical axis, a center thickness CT3 of the third lens, and a center thickness CT4 of the fourth lens satisfy T34/(CT3+ CT4) ≦ 0.3.

According to one embodiment of the application, f/EPD is less than or equal to 2.0 between the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens.

According to one embodiment of the present application, 4.5 ≦ f5 ≦ tan (HFOV)/CT5 ≦ 8.0 between half of the maximum field angle of the HFOV of the optical imaging lens, the effective focal length f5 of the fifth lens, and the center thickness CT5 of the fifth lens.

According to an embodiment of the present application, 1.3< (T45+ T56)/CT5<2.5 is satisfied between an air space T45 on an optical axis between the fourth lens and the fifth lens, an air space T56 on the optical axis between the fifth lens and the sixth lens, and a center thickness CT5 of the fifth lens.

According to one embodiment of the present application, the first lens element has a convex object-side surface and a concave image-side surface; the fourth lens element has a convex object-side surface and a concave image-side surface.

An aspect of the present application provides an optical imaging lens, including, in order from an object side to an image side: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, wherein the first lens has positive focal power, the object-side surface of the first lens is a convex surface, and the image-side surface of the first lens is a concave surface; the second lens has negative focal power, and the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has focal power; the fourth lens has focal power, and the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has positive focal power, and the image side surface of the fifth lens is a convex surface; the sixth lens has negative focal power, and the object side surface of the sixth lens is a concave surface, and the image side surface of the sixth lens is a concave surface; 4.5 ≦ f5 ≦ tan (HFOV)/CT5 ≦ 8.0 is satisfied between half of the maximum field angle of the optical imaging lens HFOV, the effective focal length f5 of the fifth lens, and the center thickness CT5 of the fifth lens.

According to one embodiment of the application, the effective focal length f of the optical imaging lens, the effective focal length f3 of the third lens and the effective focal length f4 of the fourth lens meet | f/f3| + | f/f4| ≦ 0.3.

An aspect of the present application provides an optical imaging lens, including, in order from an object side to an image side: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, wherein the first lens has positive focal power; the second lens has negative focal power, and the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has focal power; the fourth lens has focal power; the fifth lens has positive focal power, and the image side surface of the fifth lens is a convex surface; the sixth lens has negative focal power, and the object side surface of the sixth lens is a concave surface, and the image side surface of the sixth lens is a concave surface; an air space T45 between the fourth lens and the fifth lens on the optical axis, an air space T56 between the fifth lens and the sixth lens on the optical axis, and a center thickness CT5 of the fifth lens satisfy 1.3< (T45+ T56)/CT5< 2.5.

An aspect of the present application provides an optical imaging lens, including, in order from an object side to an image side: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, wherein the first lens has positive focal power; the second lens has negative focal power, and the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has focal power; the fourth lens has focal power; the fifth lens has positive focal power; the sixth lens has negative focal power, and the image side surface of the sixth lens is a concave surface; f/EPD is less than or equal to 2.0 between the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens; and the on-axis distance TTL from the object side surface of the first lens to the imaging surface and half of the HFOV of the maximum field angle of the optical imaging lens meet the condition That TTL (TTL) and HFOV (HFOV) are not less than 4.14mm and not more than 4.77 mm.

According to an embodiment of the present application, a sum Σ CT of center thicknesses of the first lens to the sixth lens and an on-axis distance TTL from an object side surface of the first lens to an imaging surface satisfy 0.50 ≦ Σ CT/TTL ≦ 0.55.

According to an embodiment of the present application, a sum Σ AT of air intervals on the optical axis between any adjacent two lenses of the first to sixth lenses and an air interval T12 on the optical axis between the first lens and the second lens satisfy 0.45 ≦ T12/∑ AT 10 ≦ 0.78.

According to one embodiment of the present application, the power f2 of the second lens and the central thickness CT2 of the second lens satisfy-2.37 mm²≤f2*CT2≤-1.86mm²。

According to one embodiment of the application, the optical power f5 of the fifth lens and the optical power f6 of the sixth lens satisfy-1.68 ≦ f5/f6 ≦ -1.40.

According to one embodiment of the present application, V1/V3 is 1.0 between the abbe number V1 of the first lens and the abbe number V3 of the third lens.

According to one embodiment of the application, N1/N3 is 1.0 between the refractive index N1 of the first lens and the refractive index N3 of the third lens.

According to one embodiment of the application, N2/N4 is 1.0 between the refractive index N2 of the second lens and the refractive index N4 of the fourth lens.

According to one embodiment of the present application, V2/V4 is 1.0 between the abbe number V2 of the second lens and the abbe number V4 of the fourth lens.

According to one embodiment of the application, the effective focal length f of the optical imaging lens and the central thickness CT6 of the sixth lens meet 1.54mm²≤f*CT6≤2.44mm²。

An aspect of the present application provides an optical imaging lens, including, in order from an object side to an image side: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, wherein the first lens has positive focal power; the second lens has negative focal power and its object side surfaceIs convex, and the image side surface is concave; the third lens has focal power; the fourth lens has focal power; the fifth lens has positive focal power; the sixth lens has negative focal power, and the image side surface of the sixth lens is a concave surface; the effective focal length f of the optical imaging lens and the central thickness CT6 of the sixth lens meet 1.54mm²≤f*CT6≤2.44mm²(ii) a N2/N4 is 1.0 between the refractive index N2 of the second lens and the refractive index N4 of the fourth lens; and the dispersion coefficient V2 of the second lens and the dispersion coefficient V4 of the fourth lens satisfy V2/V4 equal to 1.0.

According to one embodiment of the application, the on-axis distance TTL from the object side surface of the first lens to the imaging surface and half of the HFOV of the maximum field angle of the optical imaging lens satisfy 4.14mm ≦ TTL ≦ tan (HFOV) ≦ 4.77 mm.

An aspect of the present application provides an optical imaging lens, including, in order from an object side to an image side: a first lens having a positive optical power; the second lens with negative focal power, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; a third lens having optical power; a fourth lens having an optical power; the image side surface of the fifth lens is a convex surface; a sixth lens element with negative refractive power having a concave object-side surface and a concave image-side surface; and the effective focal length f of the optical imaging lens and the curvature radius R5 of the object side surface of the third lens meet the requirement that f/R5 is 0.5.

The optical imaging lens has the ultra-large optical image surface, can be used for a 1/2.3 inch chip, and has the ultra-large aperture.

Drawings

Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments when 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 is a schematic structural view showing 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 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 3;

fig. 16 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 4;

fig. 21 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 5;

fig. 26 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 6;

fig. 31 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 7;

fig. 36 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of an optical imaging lens of embodiment 8;

fig. 41 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of an optical imaging lens of embodiment 9;

fig. 46 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 10;

fig. 51 is a schematic structural view showing 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 chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 11.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

It will be understood that when an element or layer is referred to herein 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

1, 2, 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, a feature that does not define a singular or plural form is also intended to include a feature of the plural form unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "contains" and/or "containing," 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. A statement such as "at least one of" when appearing after a list of elements modifies the entire list of elements rather than modifying individual elements within the list. Furthermore, when describing embodiments of the present application, the use of "may" mean "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 the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The application provides an optical imaging lens, include from the object side to image side in proper order: a first lens having a positive optical power; the second lens with negative focal power, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; a third lens having optical power; a fourth lens having an optical power; the image side surface of the fifth lens is a convex surface; and the object side surface of the sixth lens with negative focal power is a concave surface, and the image side surface of the sixth lens is a concave surface.

In the embodiment of the present application, 4.5 ≦ f5 ≦ tan (HFOV)/CT5 ≦ 8.0, specifically, 4.63 ≦ f5 ≦ HFOV)/CT5 ≦ 7.81 is satisfied between half of the HFOV of the maximum angle of view of the optical imaging lens, the effective focal length f5 of the fifth lens, and the center thickness CT5 of the fifth lens. By satisfying the relationship, the thickness of the fifth lens and the field angle of the optical imaging lens can be reasonably distributed, the imaging effect of a large image plane of the system can be realized, and the optical imaging lens has high optical performance and a good processing technology.

In the embodiment of the application, the ImgH/TTL is more than or equal to 0.75 and less than or equal to 0.9, and specifically, the ImgH/TTL is more than or equal to 0.75 and less than or equal to 0.82, between the half ImgH of the diagonal length of the effective pixel region on the imaging plane and the on-axis distance TTL from the object side surface of the first lens to the imaging plane. By satisfying the above relationship, the ratio of the total length to the image height of the optical imaging lens can be controlled, which is beneficial to improving the size of the image plane and enables the system to have smaller size.

In the embodiment of the application, the effective focal length f of the optical imaging lens, the effective focal length f3 of the third lens and the effective focal length f4 of the fourth lens satisfy | f/f3| + | f/f4| ≦ 0.3, and specifically satisfy | f/f3| + | f/f4| ≦ 0.27. Through satisfying above-mentioned relation, can the rational distribution third lens and the focal power of fourth lens, be favorable to realizing the large aperture effect, effectively reduce the on-axis colour difference of camera lens simultaneously, promote the imaging quality of camera lens.

In the embodiment of the application, 2.0 ≦ f/f2 ≦ f/f6 ≦ 3.0, specifically, 2.06 ≦ f/f2 ≦ f/f6 ≦ 2.35 is satisfied between the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens, and the effective focal length f6 of the sixth lens. By satisfying the above relationship, the focal powers of the second lens and the sixth lens can be reasonably distributed, which is beneficial to realizing a large image plane of the optical system and ensuring that the system has smaller optical distortion.

In the embodiment of the present application, 0.5< f1/f5<1.2, more specifically, 0.85. ltoreq. f1/f 5. ltoreq.1.14 is satisfied between the effective focal length f1 of the first lens and the effective focal length f5 of the fifth lens. Through satisfying above-mentioned relation, can rationally control the focal power of first lens and fifth lens, effectively reduce the optical sensitivity of first lens and fifth lens, more be favorable to realizing the mass production.

In the embodiment of the present application, 0< f/R5<0.5, more specifically, 0.19. ltoreq. f/R5. ltoreq.0.41 is satisfied between the effective focal length f of the optical imaging lens and the radius of curvature R5 of the object-side surface of the third lens. By satisfying the above relationship, the curvature of the object side surface of the third lens can be controlled, so that the contribution of the field curvature is in a reasonable range, and the optical sensitivity of the object side surface of the third lens is reduced.

In the embodiment of the application, the effective focal length f of the optical imaging lens and the curvature radius R10 of the image side surface of the fifth lens meet-2.5 < f/R10< -1.5, and specifically meet-2.26 ≦ f/R10 ≦ 1.82. By satisfying the above relationship, the curvature of the image side surface of the fifth lens can be controlled, the chromatic aberration on the axis can be effectively reduced, and the better imaging quality can be ensured.

In the embodiment of the present application, a radius of curvature R7 of the object-side surface of the fourth lens and a radius of curvature R8 of the image-side surface of the fourth lens satisfy 0.5< R7/R8<2.0, specifically, satisfy 0.72 ≦ R7/R8 ≦ 1.69. By satisfying the above relationship, the ratio of the curvature radii of the object-side surface and the image-side surface of the fourth lens can be constrained within a certain range, the optical distortion can be reduced, and the good imaging quality can be ensured.

In the embodiment of the present application, an air space T34 between the third lens and the fourth lens on the optical axis, and a center thickness CT3 of the third lens and a center thickness CT4 of the fourth lens satisfy T34/(CT3+ CT4) ≦ 0.3. Through satisfying above-mentioned relation, can rationally control the space of third lens and fourth lens and account for than, be favorable to guaranteeing lens shaping manufacturability and assembly stability, can ensure better productivity.

In the embodiment of the present application, 1.3< (T45+ T56)/CT5<2.5, specifically, 1.45 ≦ T45+ T56)/CT5 ≦ 2.07 between the air space T45 on the optical axis between the fourth lens and the fifth lens, the air space T56 on the optical axis between the fifth lens and the sixth lens, and the center thickness CT5 of the fifth lens. Through satisfying above-mentioned relation, can rationally control the space of fifth lens and account for the ratio, be favorable to guaranteeing the assembly process of lens to realize optical lens's miniaturization, make the demand that satisfies the complete machine more easily.

In the embodiment of the application, f/EPD is less than or equal to 2.0 between the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens. By satisfying the above relationship, the focal power can be reasonably distributed and the entrance pupil diameter of the imaging system can be restrained, so that the F number of the imaging system with a large image plane is smaller, the system can be ensured to have a large aperture, and the imaging quality is good under a dark environment.

In the embodiment of the present application, the object-side surface of the first lens element is convex, and the image-side surface of the first lens element is concave; the fourth lens element has a convex object-side surface and a concave image-side surface. Through the arrangement, the surface types of the first lens and the fourth lens can be further controlled, the assembly stability of the optical imaging lens is favorably ensured, and the mass production is more favorably realized.

The present application is further described below with reference to specific examples.

Example 1

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

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

The first lens element E1 can have positive power, and its object-side surface S1 can be convex and its image-side surface S2 can be concave.

The second lens element E2 may have a negative power, and the object-side surface S3 may be convex and the image-side surface S4 may be concave.

The third lens element E3 may have positive power, and the object-side surface S5 may be convex and the image-side surface S6 may be concave.

The fourth lens element E4 may have a negative power, and the object-side surface S7 may be convex and the image-side surface S8 may be concave.

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

The sixth lens element E6 may have a negative power, and the object-side surface S11 may be concave and the image-side surface S12 may be concave.

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

In this embodiment, the first through sixth lenses E1 through E6 have respective effective focal lengths f1 through f6, respectively. The first lens E1 to the sixth lens E6 are arranged in sequence along the optical axis and collectively determine the total effective focal length f of the optical imaging lens. Table 1 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	3.98	f(mm)	4.53
				f2(mm)	-9.74	HFOV(゜)	41.3
f3(mm)	62.23	Fno	1.84
				f4(mm)	-158.38
f5(mm)	4.22
				f6(mm)	-2.85

TABLE 1

Table 2 shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

TABLE 2

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

wherein x is the rise of the distance from the aspheric surface vertex 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, c being 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 i-th order of the aspherical surface.

Table 3 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 that can be used for the respective aspherical lenses in this embodiment.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.5522E-01

-4.7105E-02

-1.8509E-01

6.6389E-01

-1.1105E+00

1.0951E+00

-6.4508E-01

2.0980E-01

-2.9079E-02

S2

-6.8433E-02

8.6444E-02

-1.5960E-01

3.5599E-01

-5.8246E-01

5.8613E-01

-3.4420E-01

1.0809E-01

-1.4127E-02

S3

-1.2256E-01

1.8918E-01

-1.7940E-01

2.6216E-01

-4.3496E-01

4.7141E-01

-2.7428E-01

7.4357E-02

-6.2115E-03

S4

-7.0423E-02

1.1558E-01

2.3163E-01

-1.4123E+00

3.7920E+00

-6.0218E+00

5.6996E+00

-2.9454E+00

6.4037E-01

S5

-8.6025E-02

9.3599E-02

-4.8277E-01

1.3703E+00

-2.5380E+00

2.8853E+00

-1.9075E+00

6.5603E-01

-8.4955E-02

S6

-1.5286E-01

1.5768E-01

-2.1267E-01

-3.0280E-02

5.2748E-01

-9.5564E-01

8.7112E-01

-3.9744E-01

7.1007E-02

S7

-2.6407E-01

3.0478E-01

-6.2388E-01

1.2298E+00

-1.7486E+00

1.4786E+00

-6.6991E-01

1.4034E-01

-8.8766E-03

S8

-1.9858E-01

1.5815E-01

-2.5455E-01

4.3681E-01

-5.4185E-01

4.1794E-01

-1.8717E-01

4.4561E-02

-4.3459E-03

S9

-6.0778E-03

-9.2504E-02

1.5977E-01

-2.0995E-01

1.7203E-01

-8.7415E-02

2.6536E-02

-4.3403E-03

2.9176E-04

S10

4.0565E-02

-4.1573E-02

4.4052E-02

-4.3886E-02

2.7021E-02

-9.2639E-03

1.7575E-03

-1.7346E-04

6.9567E-06

S11

-1.9059E-01

1.4259E-01

-8.8984E-02

4.0508E-02

-1.1504E-02

1.9966E-03

-2.0743E-04

1.1894E-05

-2.9023E-07

S12

-7.4248E-02

3.2258E-02

-1.0532E-02

1.9888E-03

-1.4227E-04

-1.8944E-05

4.9598E-06

-3.9887E-07

1.1470E-08

TABLE 3

Fig. 2 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 1, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the optical system. Fig. 3 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 1. Fig. 4 shows distortion curves of the optical imaging lens of embodiment 1, which represent distortion magnitude values in the case of different angles of view. Fig. 5 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 1, which represents a deviation of different image heights on an imaging plane after light passes through the optical imaging lens. In summary, as can be seen by referring to fig. 2 to 5, the optical imaging lens according to embodiment 1 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and having an ultra-large aperture.

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 view 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 surface S1 and an image side surface S2, a second lens E2 having an object side surface S3 and an image side surface S4, a third lens E3 having an object side surface S5 and an image side surface S6, a fourth lens E4 having an object side surface S7 and an image side surface S8, a fifth lens E5 having an object side surface S9 and an image side surface S10, and a sixth lens E6 having an object side surface S11 and an image side surface S12, respectively. The first lens E1 to the sixth lens E6 are disposed in order from the object side to the image side of the optical imaging lens.

The fourth lens element E4 may have positive power, and its object-side surface S7 may be convex and its image-side surface S8 may be concave.

Table 4 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	3.88	f(mm)	4.54
				f2(mm)	-9.39	HFOV(゜)	41.0
f3(mm)	552.96	Fno	1.84
				f4(mm)	70.17
f5(mm)	4.28
				f6(mm)	-2.76

TABLE 4

Table 5 shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

TABLE 5

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

TABLE 6

Fig. 7 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 2, which represents the deviation of the convergent focal points of light rays of different wavelengths after passing through the optical system. Fig. 8 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 2. Fig. 9 shows distortion curves of the optical imaging lens of embodiment 2, which represent distortion magnitude values in the case of different angles of view. Fig. 10 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 2, which represents a deviation of different image heights on an imaging plane after light passes through the optical imaging lens. In summary, referring to fig. 7 to 10, it can be seen that the optical imaging lens according to embodiment 2 is an optical lens having an oversized optical image plane, which can be used for a 1/2.3 inch chip, and having an oversized aperture.

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 view showing the structure of an optical imaging lens of embodiment 3. The optical imaging lens includes, in order from an object side to an image side, 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.

The third lens element E3 may have positive power, and the object-side surface S5 may be convex and the image-side surface S6 may be convex.

The fifth lens element E5 may have positive power, and its object-side surface S9 may be concave and its image-side surface S10 may be convex.

Table 7 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	4.04	f(mm)	4.57
				f2(mm)	-9.31	HFOV(゜)	41.3
f3(mm)	25.60	Fno	1.79
				f4(mm)	107.42
f5(mm)	4.52
				f6(mm)	-2.70

TABLE 7

Table 8 shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

TABLE 8

Table 9 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by the formula (1) given in the above-described embodiment 1.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4157E-01

-4.4897E-02

-5.2313E-02

1.3856E-01

-1.1040E-01

1.1618E-02

3.4910E-02

-2.0521E-02

3.5343E-03

S2

-7.0300E-02

6.6364E-02

-5.0411E-02

1.4087E-01

-3.5137E-01

4.3971E-01

-2.8869E-01

9.5815E-02

-1.2750E-02

S3

-1.3864E-01

2.8694E-01

-5.3610E-01

1.1601E+00

-1.9341E+00

2.0653E+00

-1.3100E+00

4.4933E-01

-6.4158E-02

S4

-8.6263E-02

2.3657E-01

-3.0860E-01

1.9829E-01

5.3634E-01

-1.6679E+00

2.0218E+00

-1.1758E+00

2.7145E-01

S5

-8.9697E-02

1.9465E-01

-1.0044E+00

3.0053E+00

-5.5529E+00

6.2934E+00

-4.2381E+00

1.5433E+00

-2.3048E-01

S6

-1.4099E-01

-2.5346E-03

3.7625E-01

-1.2250E+00

2.0257E+00

-2.0253E+00

1.2316E+00

-4.1649E-01

5.9549E-02

S7

-2.2458E-01

1.0739E-01

3.8970E-02

-2.3179E-01

3.4325E-01

-3.3557E-01

2.2544E-01

-8.6321E-02

1.3469E-02

S8

-1.6849E-01

7.8925E-02

-5.5437E-02

7.4329E-02

-9.1902E-02

6.6082E-02

-2.5101E-02

4.6676E-03

-3.1956E-04

S9

-1.6359E-02

-7.9288E-02

1.1158E-01

-1.3649E-01

1.1499E-01

-6.2212E-02

2.0179E-02

-3.4927E-03

2.4565E-04

S10

3.0617E-02

-2.7789E-02

1.0756E-02

-7.2445E-03

6.6284E-03

-2.8885E-03

6.1885E-04

-6.4972E-05

2.6820E-06

S11

-1.9310E-01

1.3519E-01

-8.3129E-02

3.8348E-02

-1.0987E-02

1.9103E-03

-1.9778E-04

1.1260E-05

-2.7198E-07

S12

-7.6295E-02

3.2511E-02

-1.0340E-02

2.0770E-03

-2.3483E-04

9.5531E-06

7.5053E-07

-9.4725E-08

2.8389E-09

TABLE 9

Fig. 12 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 3, which represents the convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 13 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 3. Fig. 14 shows distortion curves of the optical imaging lens of embodiment 3, which represent distortion magnitude values in the case of different angles of view. Fig. 15 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 3, which represents a deviation of different image heights on an imaging plane after light passes through the optical imaging lens. In summary, as can be seen from fig. 12 to 15, the optical imaging lens according to embodiment 3 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and an ultra-large aperture.

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 includes, in order from an object side to an image side, 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.

Table 10 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

Watch 10

Table 11 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

TABLE 11

Table 12 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in example 1 above.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4702E-01

-6.1899E-02

-6.0331E-02

2.8201E-01

-4.5198E-01

4.1095E-01

-2.2099E-01

6.5449E-02

-8.3029E-03

S2

-6.2324E-02

3.4300E-02

7.2668E-02

-2.2748E-01

3.1526E-01

-2.6592E-01

1.3774E-01

-4.0060E-02

4.9196E-03

S3

-1.2384E-01

1.9884E-01

-2.3008E-01

4.4019E-01

-8.0023E-01

9.2058E-01

-6.1169E-01

2.1704E-01

-3.1945E-02

S4

-8.0492E-02

2.0512E-01

-4.0213E-01

1.2715E+00

-2.9866E+00

4.3529E+00

-3.7409E+00

1.7450E+00

-3.3855E-01

S5

-9.7584E-02

1.3081E-01

-4.5758E-01

9.2984E-01

-1.0389E+00

3.7802E-01

3.7517E-01

-4.2967E-01

1.2581E-01

S6

-1.4809E-01

9.5116E-02

-6.2865E-02

-1.0104E-01

3.0984E-01

-4.2983E-01

3.4424E-01

-1.4513E-01

2.4472E-02

S7

-2.2916E-01

1.7879E-01

-3.2659E-01

6.9921E-01

-1.0189E+00

8.5676E-01

-3.9107E-01

8.7364E-02

-7.0896E-03

S8

-1.6903E-01

7.7617E-02

-8.9332E-02

1.8656E-01

-2.5540E-01

1.9784E-01

-8.5626E-02

1.9512E-02

-1.8306E-03

S9

-1.3397E-02

-8.4628E-02

1.2328E-01

-1.4489E-01

1.1532E-01

-5.8829E-02

1.8047E-02

-2.9716E-03

1.9999E-04

S10

2.7047E-02

-3.7577E-02

3.0282E-02

-2.5620E-02

1.6283E-02

-5.8087E-03

1.1242E-03

-1.1149E-04

4.4478E-06

S11

-1.7781E-01

1.0908E-01

-6.1328E-02

2.8099E-02

-8.1031E-03

1.4126E-03

-1.4608E-04

8.2882E-06

-1.9934E-07

S12

-7.5107E-02

2.9069E-02

-8.3105E-03

1.2793E-03

-1.6386E-05

-3.0706E-05

5.3314E-06

-3.7880E-07

1.0110E-08

TABLE 12

Fig. 17 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 4, which represent convergent focus deviations of light rays of different wavelengths after passing through an optical system. Fig. 18 shows an astigmatism curve representing a meridional field curvature and a sagittal field curvature of the optical imaging lens of embodiment 4. Fig. 19 shows distortion curves of the optical imaging lens of embodiment 4, which represent distortion magnitude values in the case of different angles of view. Fig. 20 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 4, which represents a deviation of different image heights on the imaging plane after light passes through the optical imaging lens. In summary, as can be seen from fig. 17 to 20, the optical imaging lens according to embodiment 4 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and an ultra-large aperture.

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 includes, in order from an object side to an image side, 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.

Table 13 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	4.01	f(mm)	4.54
				f2(mm)	-9.55	HFOV(゜)	41.3
f3(mm)	57.06	Fno	1.84
				f4(mm)	-238.90
f5(mm)	4.18
				f6(mm)	-2.78

Watch 13

Table 14 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

TABLE 14

Table 15 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in example 1 above.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.5607E-01

-5.9042E-02

-1.2938E-01

5.1555E-01

-8.7306E-01

8.6177E-01

-5.0700E-01

1.6463E-01

-2.2800E-02

S2

-6.9770E-02

1.0047E-01

-2.3321E-01

5.8377E-01

-1.0043E+00

1.0562E+00

-6.5249E-01

2.1738E-01

-3.0206E-02

S3

-1.2166E-01

1.9955E-01

-2.3942E-01

4.3632E-01

-7.6248E-01

8.6512E-01

-5.6243E-01

1.9042E-01

-2.5782E-02

S4

-6.7924E-02

1.0882E-01

3.0139E-01

-1.8372E+00

5.1014E+00

-8.3200E+00

8.0247E+00

-4.2076E+00

9.2456E-01

S5

-8.1450E-02

4.9906E-02

-2.4198E-01

5.9057E-01

-9.9863E-01

1.0267E+00

-5.7832E-01

1.4350E-01

-4.2979E-03

S6

-1.4088E-01

1.0994E-01

-1.3065E-01

-5.7497E-02

3.6279E-01

-5.7378E-01

4.8735E-01

-2.1230E-01

3.6380E-02

S7

-2.3472E-01

1.7083E-01

-2.7391E-01

5.7740E-01

-9.2231E-01

8.5281E-01

-4.2545E-01

1.0564E-01

-1.0283E-02

S8

-1.7358E-01

6.6333E-02

-4.4093E-02

9.6535E-02

-1.6262E-01

1.4580E-01

-7.0056E-02

1.7283E-02

-1.7109E-03

S9

-1.4118E-04

-9.4436E-02

1.3706E-01

-1.7036E-01

1.3864E-01

-6.9965E-02

2.0925E-02

-3.3528E-03

2.2019E-04

S10

4.8426E-02

-5.1518E-02

4.3902E-02

-4.1601E-02

2.6587E-02

-9.4182E-03

1.8261E-03

-1.8290E-04

7.4129E-06

S11

-1.9280E-01

1.4216E-01

-8.8445E-02

4.0433E-02

-1.1510E-02

1.9982E-03

-2.0734E-04

1.1863E-05

-2.8867E-07

S12

-8.6214E-02

4.2540E-02

-1.6451E-02

4.3047E-03

-7.2801E-04

7.5029E-05

-4.2388E-06

1.0100E-07

-7.2914E-11

Watch 15

Fig. 22 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 5, which represent the convergent focus deviations of light rays of different wavelengths after passing through the optical system. Fig. 23 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 5. Fig. 24 shows distortion curves of the optical imaging lens of embodiment 5, which represent distortion magnitude values in the case of different angles of view. Fig. 25 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 5, which represents a deviation of different image heights on the imaging plane after light passes through the optical imaging lens. In summary, referring to fig. 22 to 25, it can be seen that the optical imaging lens according to embodiment 5 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and an ultra-large aperture.

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 view showing the structure of an optical imaging lens of embodiment 6. The optical imaging lens includes, in order from an object side to an image side, 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.

The third lens element E3 may have a negative power, and the object-side surface S5 may be convex and the image-side surface S6 may be concave.

Table 16 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	3.99	f(mm)	4.77
				f2(mm)	-9.53	HFOV(゜)	40.5
f3(mm)	-1.22E+04	Fno	1.87
				f4(mm)	85.61
f5(mm)	4.44
				f6(mm)	-3.04

TABLE 16

Table 17 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

TABLE 17

Table 18 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in example 1 above.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4738E-01

-6.5848E-02

-4.2875E-02

2.3771E-01

-3.8489E-01

3.4869E-01

-1.8621E-01

5.4686E-02

-6.8804E-03

S2

-6.1396E-02

2.5482E-02

1.1091E-01

-3.2031E-01

4.4902E-01

-3.8247E-01

1.9757E-01

-5.6599E-02

6.8080E-03

S3

-1.2448E-01

1.9986E-01

-2.2338E-01

4.1122E-01

-7.4491E-01

8.5981E-01

-5.7291E-01

2.0380E-01

-3.0091E-02

S4

-8.0850E-02

2.0126E-01

-3.5984E-01

1.0999E+00

-2.5887E+00

3.7938E+00

-3.2725E+00

1.5303E+00

-2.9718E-01

S5

-9.8260E-02

1.5384E-01

-6.2319E-01

1.5593E+00

-2.4305E+00

2.2360E+00

-1.1022E+00

2.1458E-01

7.1636E-03

S6

-1.4797E-01

7.4831E-02

4.5009E-02

-3.8710E-01

7.6025E-01

-8.6504E-01

5.9549E-01

-2.2420E-01

3.4863E-02

S7

-2.2751E-01

1.5829E-01

-2.4012E-01

4.9511E-01

-7.1608E-01

5.7291E-01

-2.2970E-01

3.6880E-02

-4.3905E-04

S8

-1.6644E-01

7.2860E-02

-8.1450E-02

1.7638E-01

-2.4545E-01

1.9091E-01

-8.2556E-02

1.8754E-02

-1.7517E-03

S9

-1.4196E-02

-7.8139E-02

1.0694E-01

-1.2631E-01

1.0432E-01

-5.5555E-02

1.7694E-02

-3.0010E-03

2.0667E-04

S10

2.5717E-02

-3.3816E-02

2.3501E-02

-1.9708E-02

1.3660E-02

-5.1628E-03

1.0343E-03

-1.0486E-04

4.2466E-06

S11

-1.7218E-01

1.0369E-01

-5.9885E-02

2.8296E-02

-8.3042E-03

1.4628E-03

-1.5232E-04

8.6848E-06

-2.0965E-07

S12

-7.5849E-02

2.9137E-02

-8.4320E-03

1.2962E-03

-1.7363E-06

-3.6676E-05

6.2830E-06

-4.5028E-07

1.2200E-08

Watch 18

Fig. 27 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 6, which represent convergent focus deviations of light rays of different wavelengths after passing through an optical system. Fig. 28 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 6. Fig. 29 shows distortion curves of the optical imaging lens of embodiment 6, which represent distortion magnitude values in the case of different angles of view. Fig. 30 shows a chromatic aberration of magnification curve of the optical imaging lens of example 6, which represents a deviation of different image heights on an imaging plane after light passes through the optical imaging lens. In summary, as can be seen from fig. 27 to 30, the optical imaging lens according to embodiment 6 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and an ultra-large aperture.

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 includes, in order from an object side to an image side, 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.

Table 19 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	3.85	f(mm)	4.57
				f2(mm)	-9.45	HFOV(゜)	41.3
f3(mm)	75.65	Fno	1.92
				f4(mm)	205.73
f5(mm)	4.37
				f6(mm)	-2.61

Watch 19

Table 20 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

Watch 20

Table 21 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in the above-described embodiment 1.

TABLE 21

Fig. 32 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 7, which represents the convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 33 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 7. Fig. 34 shows distortion curves of the optical imaging lens of embodiment 7, which represent distortion magnitude values in the case of different angles of view. Fig. 35 shows a chromatic aberration of magnification curve of the optical imaging lens of example 7, which represents a deviation of different image heights on an imaging plane of light rays after passing through the optical imaging lens. In summary, referring to fig. 31 to 35, it can be seen that the optical imaging lens according to embodiment 7 is an optical lens having an oversized optical image plane, which can be used in a 1/2.3 inch chip, and having an oversized aperture.

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 view showing the structure of an optical imaging lens of embodiment 8. The optical imaging lens includes, in order from an object side to an image side, 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.

The following table 22 shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	3.60	f(mm)	4.22
				f2(mm)	-8.70	HFOV(゜)	40.2
f3(mm)	32.55	Fno	1.80
				f4(mm)	-30.43
f5(mm)	3.15
				f6(mm)	-2.26

TABLE 22

Table 23 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

TABLE 23

Table 24 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in example 1 above.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

3.2350E-02

1.2835E-02

1.5356E-02

-1.2721E-01

3.6214E-01

-5.2818E-01

4.2470E-01

-1.7907E-01

3.0425E-02

S2

-1.4495E-01

2.5591E-01

-1.8342E-01

-3.9925E-01

1.5362E+00

-2.4368E+00

2.1207E+00

-9.7925E-01

1.8727E-01

S3

-2.3653E-01

4.6069E-01

-2.5783E-01

-9.7043E-01

3.3158E+00

-5.1473E+00

4.5192E+00

-2.1405E+00

4.2554E-01

S4

-1.2528E-01

1.9091E-01

8.4586E-01

-5.4610E+00

1.6077E+01

-2.7843E+01

2.8797E+01

-1.6410E+01

3.9789E+00

S5

-7.3489E-02

-3.9430E-01

2.7931E+00

-1.1338E+01

2.7472E+01

-4.1436E+01

3.8034E+01

-1.9440E+01

4.2408E+00

S6

-1.7422E-01

7.5858E-02

3.0097E-01

-1.8953E+00

4.3614E+00

-5.7411E+00

4.4988E+00

-1.9229E+00

3.4075E-01

S7

-3.4181E-01

1.8941E-01

3.0194E-01

-1.5023E+00

2.7389E+00

-2.9031E+00

1.9395E+00

-7.4746E-01

1.2295E-01

S8

-3.2786E-01

1.9701E-01

4.5788E-03

-3.5164E-01

6.1242E-01

-5.4682E-01

2.8865E-01

-8.5359E-02

1.0786E-02

S9

-1.0303E-01

-6.1173E-02

1.0868E-01

-1.4519E-01

1.2509E-01

-5.7336E-02

9.6542E-03

1.2768E-03

-4.4587E-04

S10

3.3831E-02

-7.3229E-02

8.1462E-02

-7.4813E-02

5.2353E-02

-2.1988E-02

5.1798E-03

-6.3565E-04

3.1670E-05

S11

-1.2306E-01

9.3168E-02

-5.1387E-02

2.2184E-02

-6.3424E-03

1.1331E-03

-1.2207E-04

7.2758E-06

-1.8473E-07

S12

-9.3635E-02

5.6251E-02

-2.8276E-02

9.4926E-03

-2.1230E-03

3.1150E-04

-2.8869E-05

1.5334E-06

-3.5370E-08

Watch 24

Fig. 37 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 8, which represent convergent focus deviations of light rays of different wavelengths after passing through an optical system. Fig. 38 shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 8. Fig. 39 shows a distortion curve of the optical imaging lens of embodiment 8, which represents the distortion magnitude values in the case of different angles of view. Fig. 40 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 8, which represents a deviation of different image heights on the imaging plane after light passes through the optical imaging lens. In summary, referring to fig. 36 to 40, it can be seen that the optical imaging lens according to embodiment 8 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and having an ultra-large aperture.

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 a structure of an optical imaging lens of embodiment 9. The optical imaging lens includes, in order from an object side to an image side, 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.

Table 25 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	4.01	f(mm)	4.65
				f2(mm)	-9.21	HFOV(゜)	41.3
f3(mm)	31.64	Fno	1.82
				f4(mm)	118.33
f5(mm)	4.52
				f6(mm)	-2.74

TABLE 25

Table 26 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

Watch 26

Table 27 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in the above-described embodiment 1.

Watch 27

Fig. 42 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 9, which represent convergent focus deviations of light rays of different wavelengths after passing through an optical system. Fig. 43 shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of example 9. Fig. 44 shows a distortion curve of the optical imaging lens of embodiment 9, which represents the distortion magnitude values in the case of different angles of view. Fig. 45 shows a chromatic aberration of magnification curve of the optical imaging lens of example 9, which represents a deviation of different image heights on an imaging plane of light rays after passing through the optical imaging lens. In summary, as can be seen from fig. 41 to 45, the optical imaging lens according to embodiment 9 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and an ultra-large aperture.

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 view showing the structure of an optical imaging lens of embodiment 10. The optical imaging lens includes, in order from an object side to an image side, 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.

Table 28 below shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

f1(mm)	4.05	f(mm)	4.64
				f2(mm)	-9.40	HFOV(゜)	41.3
f3(mm)	26.50	Fno	1.82
				f4(mm)	162.84
f5(mm)	4.48
				f6(mm)	-2.70

Watch 28

Table 29 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

Watch 29

Table 30 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in example 1 above.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4433E-01

-6.0432E-02

-7.7970E-03

6.0485E-02

-2.5029E-02

-4.5968E-02

5.7711E-02

-2.5194E-02

3.8855E-03

S2

-7.4567E-02

1.0592E-01

-2.2616E-01

5.5570E-01

-9.2211E-01

9.1527E-01

-5.2529E-01

1.6046E-01

-2.0206E-02

S3

-1.3482E-01

2.5822E-01

-4.4907E-01

9.9702E-01

-1.7143E+00

1.8543E+00

-1.1774E+00

4.0160E-01

-5.6810E-02

S4

-7.6265E-02

1.3491E-01

2.0205E-01

-1.3522E+00

3.4963E+00

-5.2162E+00

4.6042E+00

-2.2168E+00

4.4962E-01

S5

-9.2630E-02

2.2316E-01

-1.1547E+00

3.4716E+00

-6.4494E+00

7.3705E+00

-5.0234E+00

1.8601E+00

-2.8453E-01

S6

-1.4574E-01

3.2370E-02

2.7916E-01

-1.0887E+00

1.9316E+00

-2.0071E+00

1.2455E+00

-4.2490E-01

6.0871E-02

S7

-2.2358E-01

9.1186E-02

1.3439E-01

-5.1628E-01

8.1612E-01

-7.9324E-01

4.8198E-01

-1.6352E-01

2.3117E-02

S8

-1.6488E-01

5.8948E-02

3.1311E-03

-2.7318E-02

1.8226E-02

-8.4527E-03

5.3168E-03

-2.1490E-03

3.2275E-04

S9

-2.2049E-02

-5.4481E-02

6.3832E-02

-8.2162E-02

7.7370E-02

-4.6569E-02

1.6395E-02

-3.0044E-03

2.1976E-04

S10

2.8315E-02

-2.4422E-02

9.3352E-03

-7.8624E-03

7.2900E-03

-3.0905E-03

6.4658E-04

-6.6592E-05

2.7056E-06

S11

-1.9544E-01

1.4002E-01

-8.7634E-02

4.0521E-02

-1.1584E-02

2.0074E-03

-2.0703E-04

1.1733E-05

-2.8194E-07

S12

-7.3426E-02

3.0994E-02

-1.0016E-02

2.0899E-03

-2.5688E-04

1.4465E-05

2.1863E-07

-6.5195E-08

2.1679E-09

Watch 30

Fig. 47 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 10, which represent convergent focus deviations of light rays of different wavelengths after passing through the optical system. Fig. 48 shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 10. Fig. 49 shows distortion curves of the optical imaging lens of embodiment 10, which represent distortion magnitude values in the case of different angles of view. Fig. 50 shows a chromatic aberration of magnification curve of the optical imaging lens of example 10, which represents a deviation of different image heights on an imaging plane after light passes through the optical imaging lens. In summary, referring to fig. 46 to 50, it can be seen that the optical imaging lens according to embodiment 10 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and an ultra-large aperture.

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 includes, in order from an object side to an image side, 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.

The following table 31 shows effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, a total effective focal length f of the optical imaging lens, an f-number Fno of the optical imaging lens, and a maximum half field angle HFOV (°) of the imaging lens.

Watch 31

Table 32 below shows the surface type, radius of curvature, thickness, refractive index, dispersion coefficient, and conic coefficient of each lens in the optical imaging lens in this embodiment, where the unit of the radius of curvature and the thickness are both millimeters (mm).

Watch 32

Table 33 below shows the high-order term coefficients of the respective aspherical surfaces S1 to S12 usable for the respective aspherical lenses in this embodiment, wherein the respective aspherical surface types can be defined by formula (1) given in example 1 above.

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.7295E-01

-1.2869E-01

1.3683E-01

-8.1078E-02

-4.7603E-02

1.5443E-01

-1.4420E-01

6.3798E-02

-1.1406E-02

S2

-9.0400E-02

1.5501E-01

-3.3481E-01

7.3866E-01

-1.1522E+00

1.1135E+00

-6.3018E-01

1.8950E-01

-2.3292E-02

S3

-1.5526E-01

3.0000E-01

-4.4488E-01

9.3793E-01

-1.7799E+00

2.1899E+00

-1.5811E+00

6.1323E-01

-9.9039E-02

S4

-1.1177E-01

4.3311E-01

-1.5163E+00

5.2117E+00

-1.2041E+01

1.7543E+01

-1.5461E+01

7.5420E+00

-1.5584E+00

S5

-1.0140E-01

8.9959E-02

-3.5478E-01

9.6267E-01

-1.7493E+00

1.8566E+00

-1.0014E+00

1.6098E-01

4.0108E-02

S6

-1.5331E-01

1.2366E-01

-1.3710E-01

-1.2921E-01

6.7553E-01

-1.0912E+00

9.2312E-01

-4.0258E-01

7.0747E-02

S7

-2.4127E-01

1.4287E-01

-1.0349E-01

2.9564E-02

8.6735E-02

-2.0756E-01

2.1628E-01

-1.0434E-01

1.8499E-02

S8

-1.9287E-01

8.8377E-02

-5.2723E-02

4.0539E-02

-3.1218E-02

1.3091E-02

3.0186E-03

-3.9051E-03

7.9143E-04

S9

-3.2177E-02

-8.7345E-02

1.9279E-01

-2.7875E-01

2.4282E-01

-1.3090E-01

4.2344E-02

-7.4070E-03

5.3351E-04

S10

8.2943E-03

-3.2695E-02

7.6535E-02

-8.5966E-02

5.2259E-02

-1.7855E-02

3.4386E-03

-3.4894E-04

1.4506E-05

S11

-2.8881E-01

2.6478E-01

-1.5744E-01

6.2399E-02

-1.5820E-02

2.5284E-03

-2.4691E-04

1.3476E-05

-3.1537E-07

S12

-1.0647E-01

6.0785E-02

-2.2415E-02

4.8125E-03

-5.2534E-04

4.9031E-06

5.3399E-06

-5.3148E-07

1.6498E-08

Watch 33

Fig. 52 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 11, which represent the convergent focus deviations of light rays of different wavelengths after passing through the optical system. Fig. 53 shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of example 11. Fig. 54 shows a distortion curve of the optical imaging lens of embodiment 11, which represents the distortion magnitude values in the case of different angles of view. Fig. 55 shows a chromatic aberration of magnification curve of the optical imaging lens of example 11, which represents a deviation of different image heights on an imaging plane after light passes through the optical imaging lens. As can be seen from the above description and with reference to fig. 51 to 55, the optical imaging lens according to embodiment 11 is an optical lens having an ultra-large optical image plane, which can be used for a 1/2.3 inch chip, and having an ultra-large aperture.

In summary, in the above-described examples 1 to 11, each conditional expression satisfies the conditions of the following tables 34 and 35.

Conditions/examples	1	2	3	4	5	6	7	8	9	10	11
												f5*tan(HFOV)/CT5	7.08	7.13	6.40	6.76	6.83	6.95	7.68	4.63	7.00	6.31	7.81
ImgH/TTL	0.77	0.77	0.77	0.76	0.77	0.76	0.82	0.75	0.77	0.77	0.79
												\|f/f3\|+\|f/f4\|	0.10	0.07	0.22	0.03	0.10	0.06	0.08	0.27	0.19	0.20	0.08
\|f/f2\|+\|f/f6\|	2.06	2.13	2.19	2.08	2.11	2.07	2.23	2.35	2.20	2.21	2.22
												f1/f5	0.94	0.91	0.89	0.93	0.96	0.90	0.88	1.14	0.89	0.90	0.85
f/R5	0.19	0.26	0.32	0.24	0.20	0.26	0.25	0.41	0.31	0.31	0.29
												f/R10	-1.82	-1.92	-1.89	-1.97	-1.82	-2.01	-1.97	-2.26	-1.92	-1.95	-1.94
R7/R8	1.14	0.72	0.80	0.91	1.09	0.75	0.92	1.69	0.81	0.85	0.94
												T34/(CT3+CT4)	0.18	0.18	0.14	0.18	0.20	0.17	0.21	0.30	0.15	0.15	0.22
(T45+T56)/CT5	2.00	1.95	1.47	1.75	2.07	1.76	2.01	1.61	1.64	1.45	2.03
												f/EPD	1.84	1.84	1.79	1.86	1.84	1.87	1.92	1.80	1.82	1.82	1.93

Watch 34

Conditions/examples	1	2	3	4	5	6	7	8	9	10	11
												TTL*tan(HFOV)	4.61	4.57	4.77	4.72	4.61	4.70	4.32	4.14	4.76	4.77	4.51
f*CT6	2.22	2.04	2.38	2.44	1.91	2.44	2.13	1.54	2.35	2.38	2.15
												∑CT/TTL	0.51	0.52	0.55	0.53	0.50	0.52	0.54	0.52	0.54	0.55	0.52
T12/∑AT*10	0.71	0.71	0.63	0.77	0.65	0.78	0.69	0.45	0.63	0.65	0.66
												f2*CT2	-2.24	-2.16	-2.14	-2.37	-2.20	-2.33	-2.19	-1.86	-2.15	-2.16	-2.04
f5/f6	-1.48	-1.55	-1.68	-1.44	-1.51	-1.46	-1.67	-1.40	-1.65	-1.66	-1.66
												V1/V3	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
N1/N3	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
												V2/V4	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
N2/N4	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
												R7/R8	1.14	0.72	0.80	0.91	1.09	0.75	0.92	1.69	0.81	0.85	0.94
T34/(CT3+CT4)	0.18	0.18	0.14	0.18	0.20	0.17	0.21	0.30	0.15	0.15	0.22
												f/EPD	1.84	1.84	1.79	1.86	1.84	1.87	1.92	1.80	1.82	1.82	1.93

Watch 35

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An optical imaging lens comprising, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element,

it is characterized in that the preparation method is characterized in that,

the first lens has positive focal power;

the second lens has negative focal power, and the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface;

the third lens has focal power;

the fourth lens has focal power;

the fifth lens has positive focal power;

the sixth lens has negative focal power, and the image side surface of the sixth lens is a concave surface;

f/EPD is less than or equal to 2.0 between the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens;

the on-axis distance TTL from the object side surface of the first lens to the imaging surface and half of the HFOV with the maximum field angle of the optical imaging lens meet the condition that TTL tan (HFOV) is not less than 4.14mm and not more than 4.77 mm; and

the sum sigma AT of the air spaces on the optical axis between any two adjacent lenses of the first lens to the sixth lens and the air space T12 on the optical axis between the first lens and the second lens satisfy 0.45 ≦ T12/sigma AT 10 ≦ 0.78.

2. The optical imaging lens of claim 1, wherein an air space T34 between the third lens and the fourth lens on the optical axis, a central thickness CT3 of the third lens, and a central thickness CT4 of the fourth lens satisfy T34/(CT3+ CT4) ≦ 0.3.

3. The optical imaging lens of claim 1, wherein 0.50 ≦ Σ CT/TTL ≦ 0.55 between the sum Σ CT of the center thicknesses of the first lens element to the sixth lens element and the on-axis distance TTL from the object-side surface of the first lens element to the imaging surface.

4. Optical imaging lens according to any one of claims 1 to 3, characterized in that-2.37 mm is satisfied between the optical power f2 of the second lens and the central thickness CT2 of the second lens²≤f2*CT2≤-1.86mm²。

5. The optical imaging lens according to any one of claims 1 to 3, characterized in that-1.68 ≦ f5/f6 ≦ -1.40 between the optical power f5 of the fifth lens and the optical power f6 of the sixth lens.

6. The optical imaging lens according to any one of claims 1 to 3, wherein V1/V3 is 1.0 between the abbe number V1 of the first lens and the abbe number V3 of the third lens.

7. The optical imaging lens according to any one of claims 1 to 3, characterized in that between the refractive index N1 of the first lens and the refractive index N3 of the third lens, N1/N3 is 1.0.

8. Optical imaging lens according to any of claims 1 to 3, characterized in that 0.5< R7/R8<2.0 is satisfied between the radius of curvature R7 of the object side surface of the fourth lens and the radius of curvature R8 of the image side surface of the fourth lens.

9. The optical imaging lens of claim 1, wherein a refractive index N2/N4 between a refractive index N2 of the second lens and a refractive index N4 of the fourth lens is 1.0.

10. The optical imaging lens of claim 1, wherein V2/V4 is 1.0 between the abbe number V2 of the second lens and the abbe number V4 of the fourth lens.

11. The optical imaging lens of claim 1, characterized in that the effective focal length f of the optical imaging lens and the central thickness CT6 of the sixth lens satisfy 1.54mm²≤f*CT6≤2.44mm²。

12. An optical imaging lens comprising, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element,

it is characterized in that the preparation method is characterized in that,

the first lens has positive focal power;

the third lens has focal power;

the fourth lens has focal power;

the fifth lens has positive focal power;

the effective focal length f of the optical imaging lens and the central thickness CT6 of the sixth lens meet 1.54mm²≤f*CT6≤2.44mm²；

N2/N4 is 1.0 between the refractive index N2 of the second lens and the refractive index N4 of the fourth lens;

the dispersion coefficient V2 of the second lens and the dispersion coefficient V4 of the fourth lens meet the condition that V2/V4 is 1.0; and

13. The optical imaging lens of claim 12, wherein f/EPD ≦ 2.0 between the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens.

14. The optical imaging lens of claim 12, wherein an on-axis distance TTL from an object-side surface of the first lens to an imaging plane satisfies 4.14mm ≦ TTL ≦ tan (HFOV) ≦ 4.77mm and half of HFOV of a maximum field angle of the optical imaging lens.

15. The optical imaging lens according to any one of claims 12 to 14, wherein 0.50 ≦ Σ CT/TTL ≦ 0.55 between the sum Σ CT of the center thicknesses of the first lens to the sixth lens and the on-axis distance TTL from the object side surface of the first lens to the imaging surface.

16. Optical imaging lens according to any one of claims 12 to 14, characterized in that-2.37 mm is satisfied between the optical power f2 of the second lens and the central thickness CT2 of the second lens²≤f2*CT2≤-1.86mm²。

17. The optical imaging lens according to any one of claims 12 to 14, characterized in that-1.68 ≦ f5/f6 ≦ -1.40 between the optical power f5 of the fifth lens and the optical power f6 of the sixth lens.

18. The optical imaging lens according to any one of claims 12 to 14, wherein V1/V3 is 1.0 between the abbe number V1 of the first lens and the abbe number V3 of the third lens.

19. The optical imaging lens according to any one of claims 12 to 14, wherein N1/N3 is 1.0 between the refractive index N1 of the first lens and the refractive index N3 of the third lens.

20. An optical imaging lens according to any one of claims 12 to 14, wherein a radius of curvature R7 of the object-side surface of the fourth lens and a radius of curvature R8 of the image-side surface of the fourth lens satisfy 0.5< R7/R8< 2.0.

21. An optical imaging lens according to any one of claims 12 to 14, wherein an air space T34 between the third lens and the fourth lens on the optical axis, a center thickness CT3 of the third lens, and a center thickness CT4 of the fourth lens satisfy T34/(CT3+ CT4) ≦ 0.3.