Optical imaging lens

Abstract

The present application discloses an optical imaging lens, wherein the optical imaging lens includes, in order from the object side to the image side along the optical axis: a first lens having optical power; a second lens having negative optical power; a third lens having positive optical power, whose object-side surface is convex; a fourth lens having optical power; a fifth lens having optical power, whose object-side surface is concave and whose image-side surface is convex; a sixth lens having optical power; a seventh lens having optical power; an eighth lens having optical power; and a ninth lens having optical power; and an air space is provided between any two adjacent lenses among the first to ninth lenses, wherein half the diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging lens satisfies the following: 6.5 mm ≤ ImgH ≤ 7.5 mm, so that the optical imaging lens has the characteristics of a large image plane, a high number of pixels, a large field of view, and high image quality.

Description

Technical Field

[0001] The present application relates to the field of optical elements, and in particular to an optical imaging lens comprising nine lenses. Background Art

[0002] In recent years, with the rapid development of smartphones, the pixel count of rear-mounted camera lenses has been continuously upgraded. Driven by the high-pixel demands of mobile phone manufacturers for optical imaging lenses, the pixel count of mobile phone lenses has rapidly increased from hundreds of thousands to tens of millions, or even hundreds of millions. In future smartphone developments, the pixel count of optical imaging lenses will continue to increase, and pixel clarity will also increase accordingly. Therefore, high pixel count will become a major development trend in the mobile phone lens industry.

[0003] Therefore, how to make mobile phone lenses have the characteristics of high pixels, large image surface, large field of view and high image quality is an urgent problem to be solved in the current design of optical imaging lenses. Summary of the Invention

[0004] The present application provides an optical imaging lens suitable for portable electronic products that can at least address or partially address at least one of the above-mentioned shortcomings of the prior art, such as an optical imaging lens with high pixel count, large image area, wide field of view, and high image quality.

[0005] One aspect of the present application provides an optical imaging lens, which may include, in order from the object side to the image side along the optical axis: a first lens having optical power; a second lens having negative optical power; a third lens having positive optical power, whose object-side surface is convex; a fourth lens having optical power; a fifth lens having optical power, whose object-side surface is concave and whose image-side surface is convex; a sixth lens having optical power; a seventh lens having optical power; an eighth lens having optical power; and a ninth lens having optical power, wherein an air space may be provided between each adjacent two lenses among the first to ninth lenses, wherein half the diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging lens satisfies the following conditions: 6.5 mm ≤ ImgH ≤ 7.5 mm.

[0006] In one embodiment, the effective focal length f1 of the first lens and the effective focal length f8 of the eighth lens may satisfy: 1.0<f8 / f1<2.0.

[0007] In one embodiment, the Abbe number V2 of the second lens may satisfy: V2≤20.

[0008] In one embodiment, the effective focal length f2 of the second lens and the effective focal length f9 of the ninth lens may satisfy: 2.0<f2 / f9<4.0.

[0009] In one embodiment, the effective focal length f3 of the third lens, the curvature radius R5 of the object-side surface of the third lens, and the curvature radius R6 of the image-side surface of the third lens may satisfy: 2.0<f3 / (R5+R6)<4.5.

[0010] In one embodiment, a curvature radius R2 of the image-side surface of the first lens and a curvature radius R3 of the object-side surface of the second lens may satisfy: 1.0<R2 / R3<2.0.

[0011] In one embodiment, a curvature radius R1 of the object-side surface of the first lens and a curvature radius R4 of the image-side surface of the second lens may satisfy: 1.5<R4 / R1<2.0.

[0012] In one embodiment, a curvature radius R10 of the image-side surface of the fifth lens element and a curvature radius R12 of the image-side surface of the sixth lens element may satisfy: -2.0<R12 / R10<-0.5.

[0013] In one embodiment, a curvature radius R9 of the object-side surface of the fifth lens element and a curvature radius R15 of the object-side surface of the eighth lens element may satisfy: -3.5<R9 / R15<-1.5.

[0014] In one embodiment, a curvature radius R17 of the object-side surface of the ninth lens and a curvature radius R18 of the image-side surface of the ninth lens may satisfy: -3.5<R18 / R17<-1.0.

[0015] In one embodiment, a center thickness CT6 of the sixth lens on the optical axis and a center thickness CT7 of the seventh lens on the optical axis may satisfy: 0.5<CT7 / CT6<1.5.

[0016] In one embodiment, an air interval T34 between the third lens and the fourth lens on the optical axis and an air interval T45 between the fourth lens and the fifth lens on the optical axis may satisfy: 1.5<T34 / T45<3.5.

[0017] In one embodiment, a center thickness CT8 of the eighth lens on the optical axis, a center thickness CT9 of the ninth lens on the optical axis, and an air interval T89 between the eighth lens and the ninth lens on the optical axis may satisfy: 1.0<(CT8+CT9) / T89<1.5.

[0018] In one embodiment, a center thickness CT7 of the seventh lens on the optical axis and an air interval T78 between the seventh lens and the eighth lens on the optical axis may satisfy: 1.0<T78 / CT7<2.0.

[0019] In one embodiment, an air interval T56 between the fifth lens and the sixth lens on the optical axis and an air interval T67 between the sixth lens and the seventh lens on the optical axis may satisfy: 1.0<T67 / T56<4.0.

[0020] Another aspect of the present application provides an optical imaging lens, which may include, in order from the object side to the image side along the optical axis: a first lens having optical power; a second lens having negative optical power; a third lens having positive optical power, whose object-side surface is convex; a fourth lens having optical power; a fifth lens having optical power, whose object-side surface is concave and whose image-side surface is convex; a sixth lens having optical power; a seventh lens having optical power; an eighth lens having optical power; and a ninth lens having optical power, wherein an air space may be provided between each adjacent two lenses among the first to ninth lenses, wherein the effective focal length f2 of the second lens and the effective focal length f9 of the ninth lens may satisfy the following: 2.0<f2 / f9<4.0.

[0021] In one embodiment, the effective focal length f1 of the first lens and the effective focal length f8 of the eighth lens may satisfy: 1.0<f8 / f1<2.0.

[0022] In one embodiment, the Abbe number V2 of the second lens may satisfy: V2≤20.

[0023] In one embodiment, half the diagonal length ImgH of the effective pixel area on the imaging plane of the optical imaging lens may satisfy the following: 6.5 mm ≤ ImgH ≤ 7.5 mm.

[0024] In one embodiment, the effective focal length f3 of the third lens, the curvature radius R5 of the object-side surface of the third lens, and the curvature radius R6 of the image-side surface of the third lens may satisfy: 2.0<f3 / (R5+R6)<4.5.

[0025] In one embodiment, a curvature radius R2 of the image-side surface of the first lens and a curvature radius R3 of the object-side surface of the second lens may satisfy: 1.0<R2 / R3<2.0.

[0026] In one embodiment, a curvature radius R1 of the object-side surface of the first lens and a curvature radius R4 of the image-side surface of the second lens may satisfy: 1.5<R4 / R1<2.0.

[0027] In one embodiment, a curvature radius R10 of the image-side surface of the fifth lens element and a curvature radius R12 of the image-side surface of the sixth lens element may satisfy: -2.0<R12 / R10<-0.5.

[0028] In one embodiment, a curvature radius R9 of the object-side surface of the fifth lens element and a curvature radius R15 of the object-side surface of the eighth lens element may satisfy: -3.5<R9 / R15<-1.5.

[0029] In one embodiment, a curvature radius R17 of the object-side surface of the ninth lens and a curvature radius R18 of the image-side surface of the ninth lens may satisfy: -3.5<R18 / R17<-1.0.

[0030] In one embodiment, a center thickness CT6 of the sixth lens on the optical axis and a center thickness CT7 of the seventh lens on the optical axis may satisfy: 0.5<CT7 / CT6<1.5.

[0031] In one embodiment, an air interval T34 between the third lens and the fourth lens on the optical axis and an air interval T45 between the fourth lens and the fifth lens on the optical axis may satisfy: 1.5<T34 / T45<3.5.

[0032] In one embodiment, a center thickness CT8 of the eighth lens on the optical axis, a center thickness CT9 of the ninth lens on the optical axis, and an air interval T89 between the eighth lens and the ninth lens on the optical axis may satisfy: 1.0<(CT8+CT9) / T89<1.5.

[0033] In one embodiment, a center thickness CT7 of the seventh lens on the optical axis and an air interval T78 between the seventh lens and the eighth lens on the optical axis may satisfy: 1.0<T78 / CT7<2.0.

[0034] In one embodiment, an air interval T56 between the fifth lens and the sixth lens on the optical axis and an air interval T67 between the sixth lens and the seventh lens on the optical axis may satisfy: 1.0<T67 / T56<4.0.

[0035] The optical imaging lens provided herein utilizes multiple lenses, such as the first to ninth lenses. By rationally allocating the optical power, surface shape, radius of curvature, center thickness of each lens, and air spacing between adjacent lenses, the optical imaging lens achieves at least one of the following beneficial effects: a large image plane, a high number of pixels, high image quality, and a wide field of view. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Other features, purposes and advantages of the present application will become more apparent through the following detailed description of non-limiting embodiments in conjunction with the accompanying drawings. In the accompanying drawings:

[0037] Figure 1 1 shows a schematic structural diagram of an optical imaging lens according to Example 1 of the present application;

[0038] Figures 2A to 2Daxial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 1 are respectively shown;

[0039] Figure 3 1 shows a schematic structural diagram of an optical imaging lens according to Example 2 of the present application;

[0040] Figures 4A to 4D axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 2 are respectively shown;

[0041] Figure 5 1 shows a schematic structural diagram of an optical imaging lens according to Example 3 of the present application;

[0042] 6A to 6D axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 3 are respectively shown;

[0043] Figure 7 1 shows a schematic structural diagram of an optical imaging lens according to Example 4 of the present application;

[0044] Figures 8A to 8D axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 4 are respectively shown;

[0045] Figure 9 1 shows a schematic structural diagram of an optical imaging lens according to Example 5 of the present application;

[0046] 10A to 10D axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 5 are respectively shown;

[0047] Figure 11 1 shows a schematic structural diagram of an optical imaging lens according to Example 6 of the present application;

[0048] 12A to 12D axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 6 are respectively shown;

[0049] Figure 13 1 shows a schematic structural diagram of an optical imaging lens according to Example 7 of the present application;

[0050] 14A to 14D axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 7 are respectively shown;

[0051] Figure 15 1 shows a schematic structural diagram of an optical imaging lens according to Example 8 of the present application;

[0052] 16A to 16D The axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 8 are shown respectively;

[0053] Figure 17 1 shows a schematic structural diagram of an optical imaging lens according to Example 9 of the present application;

[0054] 18A to 18D axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 9 are shown respectively;

[0055] Figure 19 shows a schematic structural diagram of an optical imaging lens according to Example 10 of the present application; and

[0056] 20A to 20D The axial chromatic aberration curve, astigmatism curve, distortion curve, and lateral chromatic aberration curve of the optical imaging lens of Example 10 are respectively shown. DETAILED DESCRIPTION

[0057] 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 these detailed descriptions are merely descriptions of exemplary embodiments of the present application and are not intended to limit the scope of the present application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.

[0058] It should be noted that in this specification, the terms "first," "second," "third," etc., are used solely to distinguish one feature from another and do not limit the features. Thus, the first lens discussed below could also be referred to as the second lens or the third lens without departing from the teachings of this application.

[0059] In the drawings, the thickness, size, and shape of the lenses are slightly exaggerated for ease of illustration. Specifically, the shapes of the spherical and aspherical surfaces shown in the drawings are provided by way of example. That is, the shapes of the spherical and aspherical surfaces are not limited to those shown in the drawings. The drawings are for illustration only and are not drawn strictly to scale.

[0060] In this article, the paraxial region refers to the area near the optical axis. If a lens surface is convex and the location of the convex surface is undefined, it means that the lens surface is convex at least in the paraxial region. If a lens surface is concave and the location of the concave surface is undefined, it means that the lens surface is concave at least in the paraxial region. The surface of each lens closest to the subject is called the object-side surface of the lens, and the surface of each lens closest to the imaging plane is called the image-side surface of the lens.

[0061] It should also be understood that the terms "comprises," "including," "having," "includes," and / or "comprising," when used in this specification, indicate the presence of the stated features, elements, and / or components, but do not preclude the presence or addition of one or more other features, elements, components, and / or combinations thereof. In addition, when expressions such as "at least one of..." appear after a list of listed features, they modify the entire list of features rather than modifying the individual elements in the list. In addition, when describing embodiments of the present application, "may" is used to mean "one or more embodiments of the present application." And, the term "exemplary" is intended to refer to an example or illustration.

[0062] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by those skilled in the art to which this application belongs. It should also be understood that terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology and will not be interpreted in an idealized or overly formal sense unless expressly defined as such herein.

[0063] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0064] The features, principles and other aspects of the present application are described in detail below.

[0065] An optical imaging lens according to an exemplary embodiment of the present application may include, for example, eight lenses having optical power, namely, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens. These nine lenses are arranged sequentially along the optical axis from the object side to the image side. Each adjacent pair of lenses, from the first lens to the ninth lens, may have an air gap between them.

[0066] In an exemplary embodiment, the first lens may have positive or negative optical power; the second lens may have negative optical power; the third lens may have positive optical power, and its object-side surface may be convex; the fourth lens may have positive or negative optical power; the fifth lens may have positive or negative optical power, and its object-side surface may be concave and its image-side surface may be convex; the sixth lens may have positive or negative optical power; the seventh lens may have positive or negative optical power; the eighth lens may have positive or negative optical power; and the ninth lens may have positive or negative optical power. Reasonable allocation of the focal length of the second lens, the focal lengths of the third lens, and the surface shapes of the fifth lens ensures good processability of the optical imaging system and a wide field of view for the optical imaging lens.

[0067] In example embodiments, the object-side surface of the first lens may be convex, and the image-side surface may be concave.

[0068] In example embodiments, the object-side surface of the second lens may be convex, and the image-side surface may be concave.

[0069] In example embodiments, the image-side surface of the third lens may be a concave surface.

[0070] In example embodiments, the image-side surface of the sixth lens may be a concave surface.

[0071] In example embodiments, the object-side surface of the eighth lens may be convex, and the image-side surface may be concave.

[0072] In example embodiments, the object-side surface of the ninth lens may be a concave surface, and the image-side surface may be a concave surface.

[0073] In an exemplary embodiment, half the diagonal length of the effective pixel area on the imaging plane of the optical imaging lens, ImgH, may satisfy the following condition: 6.5 mm ≤ ImgH ≤ 7.5 mm. Setting the value of half the diagonal length of the effective pixel area on the imaging plane of the optical imaging lens within a reasonable range facilitates obtaining a larger imaging plane for the optical imaging lens.

[0074] In an exemplary embodiment, the effective focal length f1 of the first lens and the effective focal length f8 of the eighth lens may satisfy the following relationship: 1.0 < f8 / f1 < 2.0. By controlling the ratio of the effective focal lengths of the first lens to the eighth lens within a reasonable range, the optical sensitivity of the first and eighth lenses can be effectively reduced, facilitating mass production of optical imaging lenses.

[0075] In an exemplary embodiment, the Abbe number V2 of the second lens element may satisfy: V2≤20. Setting the Abbe number of the second lens element within a reasonable range is beneficial for balancing aberrations of the optical imaging lens.

[0076] In an exemplary embodiment, the effective focal length f2 of the second lens and the effective focal length f9 of the ninth lens may satisfy the following relationship: 2.0 < f2 / f9 < 4.0. By controlling the ratio of the effective focal lengths of the second lens to the ninth lens within a reasonable range, the field of view of the optical imaging lens can be increased.

[0077] In an exemplary embodiment, the effective focal length f3 of the third lens element, the radius of curvature R5 of the object-side surface of the third lens element, and the radius of curvature R6 of the image-side surface of the third lens element may satisfy the following relationship: 2.0 < f3 / (R5 + R6) < 4.5. Properly controlling the relationship between the effective focal length, the radius of curvature of the object-side surface, and the radius of curvature of the image-side surface of the third lens element can reduce the optical distortion of the optical imaging system and ensure excellent imaging quality of the optical imaging lens element.

[0078] In an exemplary embodiment, the radius of curvature R2 of the image-side surface of the first lens and the radius of curvature R3 of the object-side surface of the second lens may satisfy the following relationship: 1.0 < R2 / R3 < 2.0. By controlling the ratio of the radius of curvature of the image-side surface of the first lens to the object-side surface of the second lens within a reasonable range, the angle between the principal ray entering the optical imaging system and the optical axis when it strikes the imaging surface is reduced, thereby improving the illumination of the imaging surface.

[0079] In an exemplary embodiment, the radius of curvature R1 of the object-side surface of the first lens and the radius of curvature R4 of the image-side surface of the second lens may satisfy the following relationship: 1.5 < R4 / R1 < 2.0. By controlling the ratio of the radius of curvature of the object-side surface of the first lens to the image-side surface of the second lens within a reasonable range, the optical sensitivity of the first and second lenses can be effectively reduced, facilitating mass production of optical imaging lenses.

[0080] In an exemplary embodiment, the curvature radius R10 of the image-side surface of the fifth lens element and the curvature radius R12 of the image-side surface of the sixth lens element may satisfy the following relationship: -2.0 < R12 / R10 < -0.5. By controlling the ratio of the curvature radii of the image-side surfaces of the fifth and sixth lenses within a reasonable range, the incident angle of off-axis field light on the imaging plane of the optical imaging system can be controlled, thereby improving the compatibility of the optical imaging lens with the photosensitive element and the bandpass filter, respectively.

[0081] In an exemplary embodiment, the radius of curvature R9 of the object-side surface of the fifth lens element and the radius of curvature R15 of the object-side surface of the eighth lens element may satisfy the following relationship: -3.5 < R9 / R15 < -1.5. For example, -3.5 < R9 / R15 < -2.0. By controlling the ratio of the radius of curvature of the object-side surfaces of the fifth lens element and the eighth lens element within a reasonable range, the on-axis aberrations of the optical imaging lens can be effectively balanced.

[0082] In an exemplary embodiment, the radius of curvature R17 of the object-side surface of the ninth lens element and the radius of curvature R18 of the image-side surface of the ninth lens element may satisfy the following relationship: -3.5 < R18 / R17 < -1.0. By controlling the ratio of the radius of curvature of the object-side surface to the image-side surface of the ninth lens element within a reasonable range, the on-axis aberrations of the optical imaging lens can be effectively balanced.

[0083] In an exemplary embodiment, the center thickness CT6 of the sixth lens on the optical axis and the center thickness CT7 of the seventh lens on the optical axis may satisfy the following conditions: 0.5<CT7 / CT6<1.5. For example, 0.7<CT7 / CT6<1.2. Reasonable control of the relationship between the center thicknesses of the sixth lens and the seventh lens on the optical axis can ensure that the optical imaging system has good processability.

[0084] In an exemplary embodiment, the air spacing T34 between the third and fourth lenses and the air spacing T45 between the fourth and fifth lenses on the optical axis may satisfy the following: 1.5 < T34 / T45 < 3.5. For example, 2.0 < T34 / T45 < 3.3. Properly controlling the relationship between the air spacing between the third and fourth lenses and the air spacing between the fourth and fifth lenses on the optical axis helps balance the field curvature generated by the front and rear lenses, respectively, in the optical imaging system, ensuring that the field curvature distribution of the optical imaging lens is within a reasonable range of values.

[0085] In an exemplary embodiment, the center thickness CT8 of the eighth lens on the optical axis, the center thickness CT9 of the ninth lens on the optical axis, and the air spacing T89 between the eighth and ninth lenses on the optical axis may satisfy the following relationship: 1.0 < (CT8 + CT9) / T89 < 1.5. Properly controlling the relationship between the center thicknesses of the eighth and ninth lenses on the optical axis, the center thicknesses of the ninth lens on the optical axis, and the air spacing between the eighth and ninth lenses on the optical axis facilitates injection molding of the ninth lens, improves the processability of the optical imaging lens, and ensures excellent imaging quality.

[0086] In an exemplary embodiment, the central thickness CT7 of the seventh lens on the optical axis and the air spacing T78 between the seventh and eighth lenses on the optical axis may satisfy the following relationship: 1.0 < T78 / CT7 < 2.0. By controlling the ratio of the central thickness of the seventh lens on the optical axis to the air spacing between the seventh and eighth lenses on the optical axis within a reasonable range, the chief ray angle of the optical imaging lens can be effectively adjusted, the relative brightness of the optical imaging lens can be increased, and the image clarity can be enhanced.

[0087] In an exemplary embodiment, the optical axis air spacing T56 between the fifth and sixth lenses and the optical axis air spacing T67 between the sixth and seventh lenses may satisfy the following relationship: 1.0 < T67 / T56 < 4.0. By controlling the ratio of the optical axis air spacing between the fifth and sixth lenses to the optical axis air spacing between the sixth and seventh lenses within a reasonable range, the assembly stability of each lens in the optical imaging lens system is improved, as well as the consistency of optical performance across mass-produced optical imaging lenses.

[0088] In an exemplary embodiment, the optical imaging lens may further include an aperture. The aperture may be positioned appropriately as needed. For example, the aperture may be positioned between the object side and the first lens element. Optionally, the optical imaging lens may further include a filter for correcting color deviation and / or a protective glass for protecting the photosensitive element located on the imaging surface.

[0089] This application proposes an optical imaging lens with characteristics such as a large image surface, high pixel count, high image quality, and a wide field of view. The optical imaging lens according to the above-described embodiment of this application can utilize multiple lens elements, such as the nine lens elements described above. By rationally allocating the focal power, surface shape, center thickness of each lens element, and on-axis spacing between lenses, the lens element can effectively converge incident light, reduce the overall optical length of the imaging lens, and improve the processability of the imaging lens, making the optical imaging lens more suitable for production and processing.

[0090] In an exemplary embodiment, at least one of the mirror surfaces of each lens is an aspherical mirror surface, that is, at least one of the mirror surfaces from the object side surface of the first lens to the image side surface of the eighth lens is an aspherical mirror surface. The characteristic of an aspherical lens is that the curvature changes continuously from the center of the lens to the periphery. Unlike a spherical lens with a constant curvature from the center of the lens to the periphery, an aspherical lens has a better curvature radius characteristic, with the advantages of improving distortion aberration and improving astigmatism aberration. After adopting an aspherical lens, the aberration that occurs during imaging can be eliminated as much as possible, thereby improving the imaging quality. Optionally, at least one of the object side surface and the image side surface of each lens in the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens and the ninth lens is an aspherical mirror surface. Optionally, the object side surface and the image side surface of each lens in the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens and the ninth lens are all aspherical mirror surfaces.

[0091] However, those skilled in the art will appreciate that the number of lenses comprising the optical imaging lens can be varied to achieve the various results and advantages described herein without departing from the claimed technical solutions. For example, while nine lenses are described in the embodiments, the optical imaging lens is not limited to nine lenses. If desired, the optical imaging lens may also include other numbers of lenses.

[0092] Specific embodiments of the optical imaging lens applicable to the above-mentioned embodiments will be further described below with reference to the accompanying drawings.

[0093] Example 1

[0094] The following reference Figures 1 to 2D The optical imaging lens according to Example 1 of the present application is described. Figure 1 2 is a schematic structural diagram of an optical imaging lens according to Example 1 of the present application.

[0095] like Figure 1As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0096] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being convex and its image-side surface S8 being concave. The fifth lens E5 has positive focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being convex and its image-side surface S14 being convex. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0097] Table 1 shows the basic parameters of the optical imaging lens of Example 1, wherein the units of curvature radius, thickness / distance and focal length are all millimeters (mm).

[0098]

[0099]

[0100] Table 1

[0101] In this embodiment, the total effective focal length of the optical imaging lens is f = 7.83 mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.36 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH = 7.50 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno = 1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 42.9°.

[0102] In Example 1, the object-side surface and the image-side surface of any lens from the first lens E1 to the ninth lens E9 are both aspherical surfaces. The surface shape x of each aspherical lens can be defined by, but is not limited to, the following aspherical surface formula:

[0103]

[0104] Wherein, x is the distance vector height of the aspheric surface from the vertex of the aspheric surface at a height of h along the optical axis; c is the paraxial curvature of the aspheric surface, c = 1 / R (i.e., the paraxial curvature c is the reciprocal of the curvature radius R in Table 1 above); k is the conic coefficient; Ai is the correction coefficient of the i-th order of the aspheric surface. Table 2 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A50, A51, A52, A53, A54, A55, A56, A57, A58, A59, A60, A61, A71, A72, A73, A74, A75, A80, A81, A9, A10, A11, A12, A13, A14, A15 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0105] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -1.4380E-04 1.1782E-03 -1.8790E-03 1.6253E-03 -8.8715E-04 3.0030E-04 -6.2114E-05 7.2140E-06 -3.6903E-07 S2 -1.3156E-03 -2.2118E-03 5.3087E-03 -5.3012E-03 3.0485E-03 -1.0688E-03 2.2456E-04 -2.5999E-05 1.2706E-06 S3 -9.2354E-04 1.6921E-03 2.5019E-03 -3.6978E-03 2.5982E-03 -1.0746E-03 2.6648E-04 -3.7063E-05 2.2449E-06 S4 3.2811E-03 -1.2948E-03 8.1455E-03 -1.0239E-02 7.4255E-03 -3.2941E-03 8.9036E-04 -1.3540E-04 8.8815E-06 S5 -6.2030E-03 2.2734E-03 -3.4312E-03 3.9915E-03 -2.6000E-03 1.0373E-03 -2.3012E-04 2.5286E-05 -9.9751E-07 S6 -2.5187E-03 -2.5238E-03 4.5290E-03 -4.8510E-03 3.4928E-03 -1.5872E-03 4.5183E-04 -7.2053E-05 4.9054E-06 S7 -9.3445E-03 -1.1123E-02 1.5354E-02 -1.5959E-02 1.0766E-02 -4.6956E-03 1.2626E-03 -1.8931E-04 1.2005E-05 S8 -2.9963E-03 -2.1976E-02 2.5384E-02 -2.1691E-02 1.2277E-02 -4.5088E-03 1.0295E-03 -1.3323E-04 7.5010E-06 S9 1.0745E-02 -2.6584E-02 1.4117E-02 -3.6523E-03 -1.5182E-03 1.6693E-03 -5.9691E-04 9.9465E-05 -6.4182E-06 S10 1.6067E-02 -3.6642E-02 2.8002E-02 -1.4832E-02 4.9323E-03 -9.5804E-04 9.1719E-05 -1.6016E-06 -2.3914E-07 S11 -1.1134E-02 -1.7467E-02 1.8628E-02 -9.8659E-03 3.1370E-03 -6.1561E-04 7.1461E-05 -4.3397E-06 9.6200E-08 S12 -1.8306E-02 -3.9942E-03 6.0510E-03 -2.9039E-03 8.0043E-04 -1.3715E-04 1.4387E-05 -8.4718E-07 2.1501E-08 S13 -1.1343E-03 -4.2890E-03 1.8937E-03 -5.2974E-04 6.7158E-05 -4.2187E-07 -8.3749E-07 8.4441E-08 -2.5991E-09 S14 -8.0246E-03 -1.0938E-03 1.1807E-03 -4.1804E-04 7.1827E-05 -6.2725E-06 2.5362E-07 -2.2444E-09 -8.4001E-11 S15 -7.7427E-03 -1.5454E-03 5.1781E-04 -9.6994E-05 1.1033E-05 -7.5419E-07 3.0368E-08 -6.6430E-10 6.0902E-12 S16 6.3549E-03 -3.3563E-03 5.8214E-04 -6.7757E-05 5.3905E-06 -2.7741E-07 8.6951E-09 -1.5017E-10 1.0952E-12 S17 9.1198E-05 -1.0046E-03 2.1352E-04 -1.8091E-05 8.5406E-07 -2.4505E-08 4.2756E-10 -4.2002E-12 1.7938E-14 S18 -6.9235E-03 3.8190E-04 -3.2389E-06 -1.1763E-06 8.9709E-08 -3.3637E-09 7.1883E-11 -8.2725E-13 3.9576E-15

[0106] Table 2

[0107] Figure 2A The axial chromatic aberration curve of the optical imaging lens of Example 1 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 2B The astigmatism curve of the optical imaging lens of Example 1 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 2C The distortion curve of the optical imaging lens of Example 1 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 2D The chromatic aberration curve of the optical imaging lens of Example 1 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. Figures 2A to 2D It can be seen that the optical imaging lens provided in Example 1 can achieve good imaging quality.

[0108] Example 2

[0109] The following reference Figures 3 to 4D The optical imaging lens according to Example 2 of the present application is described. Figure 3 A schematic structural diagram of an optical imaging lens according to Example 2 of the present application is shown.

[0110] like Figure 3 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0111] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being convex and its image-side surface S8 being concave. The fifth lens E5 has positive focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being convex and its image-side surface S14 being convex. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0112] In this embodiment, the total effective focal length of the optical imaging lens is f=8.01 mm, the distance TTL along the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.48 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH=7.50 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno=1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 42.3°.

[0113] Table 3 shows the basic parameters of the optical imaging lens of Example 2, wherein the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0114]

[0115]

[0116] Table 3

[0117] In Example 2, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 4 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58, A59, A60, A61, A71, A72, A73, A74, A75 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0118] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -1.8407E-04 1.2052E-03 -2.0666E-03 1.9265E-03 -1.1259E-03 4.0836E-04 -9.0524E-05 1.1245E-05 -6.0692E-07 S2 -1.9388E-03 -9.3462E-04 3.8517E-03 -4.1649E-03 2.4537E-03 -8.7255E-04 1.8627E-04 -2.2018E-05 1.1039E-06 S3 -1.6408E-03 3.4604E-03 6.5157E-04 -2.2587E-03 1.7040E-03 -6.8580E-04 1.6052E-04 -2.0842E-05 1.1738E-06 S4 2.3283E-03 1.1349E-03 4.6784E-03 -6.6649E-03 4.8570E-03 -2.0948E-03 5.4572E-04 -7.9775E-05 5.0013E-06 S5 -6.7306E-03 2.1926E-03 -2.0870E-03 2.1728E-03 -1.2857E-03 4.6694E-04 -8.4654E-05 5.3962E-06 1.1546E-07 S6 -3.3896E-03 -8.4210E-04 2.0985E-03 -2.2539E-03 1.7267E-03 -8.3992E-04 2.6004E-04 -4.4784E-05 3.2575E-06 S7 -9.9572E-03 -8.8845E-03 1.0565E-02 -9.6306E-03 5.6374E-03 -2.1219E-03 4.8381E-04 -5.9277E-05 2.8216E-06 S8 -4.0804E-03 -1.7654E-02 1.7528E-02 -1.3456E-02 6.8971E-03 -2.2954E-03 4.7232E-04 -5.4789E-05 2.7702E-06 S9 1.0754E-02 -2.4538E-02 1.1412E-02 -2.1996E-03 -1.7703E-03 1.5733E-03 -5.3738E-04 8.7620E-05 -5.5726E-06 S10 1.4008E-02 -3.1345E-02 2.2850E-02 -1.2650E-02 4.7274E-03 -1.1270E-03 1.6207E-04 -1.2689E-05 4.1413E-07 S11 -1.3775E-02 -1.0617E-02 1.1541E-02 -5.9656E-03 1.8806E-03 -3.7429E-04 4.4856E-05 -2.8609E-06 6.8099E-08 S12 -2.0089E-02 -6.6063E-04 2.9543E-03 -1.3596E-03 3.4971E-04 -5.7393E-05 5.9478E-06 -3.5626E-07 9.4411E-09 S13 -2.9186E-03 -1.9648E-03 5.8939E-04 -1.6750E-04 1.8912E-05 1.1408E-06 -4.9491E-07 4.4061E-08 -1.2548E-09 S14 -9.4658E-03 1.0483E-03 1.5378E-04 -1.6728E-04 3.9081E-05 -4.3128E-06 2.5684E-07 -8.2518E-09 1.1946E-10 S15 -1.0178E-02 -7.5212E-04 2.0731E-04 -1.7744E-05 -1.8006E-06 5.7928E-07 -5.9319E-08 3.2159E-09 -9.8601E-11 S16 5.8075E-03 -3.3447E-03 5.5954E-04 -5.7713E-05 3.7309E-06 -1.3653E-07 2.0935E-09 1.2508E-11 -5.5326E-13 S17 7.0835E-04 -1.3768E-03 2.8901E-04 -2.6066E-05 1.3508E-06 -4.3478E-08 8.6557E-10 -9.8214E-12 4.8771E-14 S18 -6.5730E-03 2.5656E-04 1.3143E-05 -2.4079E-06 1.4686E-07 -5.0043E-09 1.0022E-10 -1.0977E-12 5.0563E-15

[0119] Table 4

[0120] Figure 4A The axial chromatic aberration curve of the optical imaging lens of Example 2 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 4B The astigmatism curve of the optical imaging lens of Example 2 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 4C The distortion curve of the optical imaging lens of Example 2 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 4D The chromatic aberration curve of the optical imaging lens of Example 2 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. Figures 4A to 4D It can be seen that the optical imaging lens provided in Example 2 can achieve good imaging quality.

[0121] Example 3

[0122] The following reference Figures 5 to 6D The optical imaging lens according to Example 3 of the present application is described. Figure 5 A schematic structural diagram of an optical imaging lens according to Example 3 of the present application is shown.

[0123] like Figure 5 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0124] The first lens E1 has positive optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive optical power, with its object-side surface S7 being convex and its image-side surface S8 being concave. The fifth lens E5 has positive optical power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative optical power, with its object-side surface S11 being concave and its image-side surface S12 being concave. The seventh lens E7 has positive optical power, with its object-side surface S13 being convex and its image-side surface S14 being convex. The eighth lens E8 has positive optical power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0125] In this embodiment, the total effective focal length of the optical imaging lens is f = 7.93 mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.40 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH = 7.50 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno = 1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 43.0°.

[0126] Table 5 shows the basic parameters of the optical imaging lens of Example 3, wherein the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0127]

[0128] Table 5

[0129] In Example 3, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 6 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58, 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0130] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 3.5924E-04 -2.9894E-04 2.7283E-04 -2.3542E-04 1.1138E-04 -3.5184E-05 6.4634E-06 -5.8462E-07 9.9180E-09 S2 -1.9256E-03 -3.9397E-04 2.6647E-03 -2.9982E-03 1.8096E-03 -6.5923E-04 1.4434E-04 -1.7557E-05 9.1014E-07 S3 -1.4688E-03 3.0933E-03 6.5721E-04 -2.0287E-03 1.5692E-03 -6.6264E-04 1.6442E-04 -2.2773E-05 1.3740E-06 S4 2.3310E-03 1.5300E-03 3.4352E-03 -5.2436E-03 4.0506E-03 -1.8539E-03 5.1272E-04 -7.9363E-05 5.2463E-06 S5 -5.9914E-03 1.0551E-03 -9.8659E-04 1.3718E-03 -9.0372E-04 3.6405E-04 -7.4558E-05 6.8705E-06 -2.0164E-07 S6 -2.9915E-03 -7.7202E-04 1.0642E-03 -7.9908E-04 5.9796E-04 -2.9411E-04 9.7575E-05 -1.7544E-05 1.3037E-06 S7 -8.9373E-03 -1.1386E-02 1.4798E-02 -1.4339E-02 8.9509E-03 -3.6058E-03 8.9739E-04 -1.2495E-04 7.3488E-06 S8 -3.5431E-03 -1.9415E-02 2.0485E-02 -1.6408E-02 8.7610E-03 -3.0516E-03 6.6509E-04 -8.3021E-05 4.5767E-06 S9 9.3846E-03 -2.2900E-02 9.1396E-03 4.3027E-04 -3.5634E-03 2.2913E-03 -7.0767E-04 1.0988E-04 -6.8052E-06 S10 1.4903E-02 -3.2634E-02 2.2957E-02 -1.1718E-02 3.9645E-03 -8.4350E-04 1.0384E-04 -6.1706E-06 1.0089E-07 S11 -1.2716E-02 -1.2054E-02 1.1733E-02 -5.4047E-03 1.4707E-03 -2.4210E-04 2.1946E-05 -7.6474E-07 -1.2389E-08 S12 -1.9862E-02 -4.0599E-04 2.5200E-03 -1.0321E-03 2.1739E-04 -2.6971E-05 1.9474E-06 -7.4942E-08 1.2146E-09 S13 -3.0731E-03 -1.4904E-03 1.0775E-04 4.4512E-05 -2.8192E-05 6.4203E-06 -7.2671E-07 3.9743E-08 -7.5582E-10 S14 -9.2685E-03 1.4673E-03 -5.1484E-04 1.4704E-04 -3.6538E-05 6.1533E-06 -5.8210E-07 2.7848E-08 -5.2405E-10 S15 -9.8123E-03 -8.6443E-05 -1.7011E-04 7.2523E-05 -1.4257E-05 1.7019E-06 -1.3075E-07 6.5379E-09 -2.0582E-10 S16 4.5717E-03 -2.2386E-03 1.9391E-04 5.3757E-06 -2.6580E-06 2.5709E-07 -1.2429E-08 3.0755E-10 -3.0909E-12 S17 3.8283E-05 -1.0164E-03 2.1446E-04 -1.8162E-05 8.6544E-07 -2.5431E-08 4.6334E-10 -4.8630E-12 2.2717E-14 S18 -6.0772E-03 1.4370E-04 3.0757E-05 -4.0293E-06 2.3519E-07 -7.9396E-09 1.5877E-10 -1.7413E-12 8.0514E-15

[0131] Table 6

[0132] Figure 6A The axial chromatic aberration curve of the optical imaging lens of Example 3 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 6B The astigmatism curve of the optical imaging lens of Example 3 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 6C The distortion curve of the optical imaging lens of Example 3 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 6D The chromatic aberration curve of the optical imaging lens of Example 3 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. 6A to 6D It can be seen that the optical imaging lens provided in Example 3 can achieve good imaging quality.

[0133] Example 4

[0134] The following reference Figures 7 to 8D The optical imaging lens according to Example 4 of the present application is described. Figure 7 A schematic structural diagram of an optical imaging lens according to Example 4 of the present application is shown.

[0135] like Figure 7 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0136] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being convex and its image-side surface S8 being convex. The fifth lens E5 has positive focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being convex and its image-side surface S14 being convex. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0137] In this embodiment, the total effective focal length of the optical imaging lens is f = 7.77 mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.34 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH = 7.20 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno = 1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 41.9°.

[0138] Table 7 shows the basic parameters of the optical imaging lens of Example 4, where the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0139]

[0140] Table 7

[0141] In Example 4, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 8 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58, 10 、A 12 、A 14 、A 16、A 18 and A 20 .

[0142]

[0143]

[0144] Table 8

[0145] Figure 8A The axial chromatic aberration curve of the optical imaging lens of Example 4 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 8B The astigmatism curve of the optical imaging lens of Example 4 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 8C The distortion curve of the optical imaging lens of Example 4 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 8D The chromatic aberration curve of the optical imaging lens of Example 4 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. Figures 8A to 8D It can be seen that the optical imaging lens provided in Example 4 can achieve good imaging quality.

[0146] Example 5

[0147] The following reference Figures 9 to 10D The optical imaging lens according to Example 5 of the present application is described. Figure 9 A schematic structural diagram of an optical imaging lens according to Example 5 of the present application is shown.

[0148] like Figure 9 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0149] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being concave and its image-side surface S8 being convex. The fifth lens E5 has positive focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being concave and its image-side surface S14 being convex. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0150] In this embodiment, the total effective focal length of the optical imaging lens is f = 7.66 mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.17 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH = 7.20 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno = 1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 42.3°.

[0151] Table 9 shows the basic parameters of the optical imaging lens of Example 5, where the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0152]

[0153] Table 9

[0154] In Example 5, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 10 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0155]

[0156]

[0157] Table 10

[0158] Figure 10A The axial chromatic aberration curve of the optical imaging lens of Example 5 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 10B The astigmatism curve of the optical imaging lens of Example 5 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 10C The distortion curve of the optical imaging lens of Example 5 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 10D The chromatic aberration curve of the optical imaging lens of Example 5 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. 10A to 10D It can be seen that the optical imaging lens provided in Example 5 can achieve good imaging quality.

[0159] Example 6

[0160] The following reference Figures 11 to 12D The optical imaging lens according to Example 6 of the present application is described. Figure 11 A schematic structural diagram of an optical imaging lens according to Example 6 of the present application is shown.

[0161] like Figure 11 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0162] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being concave and its image-side surface S8 being convex. The fifth lens E5 has positive focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being convex and its image-side surface S14 being convex. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0163] In this embodiment, the total effective focal length of the optical imaging lens is f = 7.72 mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.29 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH = 7.40 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno = 1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 42.9°.

[0164] Table 11 shows the basic parameters of the optical imaging lens of Example 6, where the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0165]

[0166]

[0167] Table 11

[0168] In Example 6, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 12 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0169] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -3.6919E-04 2.5635E-03 -4.2204E-03 3.9392E-03 -2.2784E-03 8.1301E-04 -1.7531E-04 2.0927E-05 -1.0685E-06 S2 -1.0665E-03 -4.0356E-03 9.7030E-03 -1.0285E-02 6.2669E-03 -2.3245E-03 5.1899E-04 -6.4319E-05 3.4040E-06 S3 -5.0723E-04 -9.8132E-04 8.3399E-03 -1.0490E-02 7.2115E-03 -2.9707E-03 7.3429E-04 -1.0106E-04 5.9798E-06 S4 4.0097E-03 -3.6672E-03 1.2599E-02 -1.5379E-02 1.1063E-02 -4.8787E-03 1.3080E-03 -1.9661E-04 1.2691E-05 S5 -6.3407E-03 2.6097E-03 -3.1017E-03 2.4962E-03 -8.4040E-04 -1.6210E-05 1.1850E-04 -3.5357E-05 3.3507E-06 S6 -2.2210E-03 -3.6424E-03 7.6517E-03 -8.9901E-03 6.6818E-03 -3.0866E-03 8.7681E-04 -1.3944E-04 9.5520E-06 S7 -8.7282E-03 -1.2520E-02 1.8180E-02 -1.9166E-02 1.2947E-02 -5.5888E-03 1.4746E-03 -2.1563E-04 1.3252E-05 S8 1.2616E-03 -3.4117E-02 4.2505E-02 -3.6243E-02 2.0102E-02 -7.1494E-03 1.5651E-03 -1.9199E-04 1.0109E-05 S9 1.5893E-02 -4.6317E-02 4.3513E-02 -2.8670E-02 1.2053E-02 -3.0839E-03 4.4026E-04 -2.8420E-05 3.6638E-07 S10 2.2172E-02 -5.5596E-02 5.0722E-02 -2.9912E-02 1.1258E-02 -2.7115E-03 4.0746E-04 -3.5270E-05 1.3737E-06 S11 -4.1806E-03 -3.3215E-02 3.2679E-02 -1.6820E-02 5.2222E-03 -1.0034E-03 1.1563E-04 -7.2240E-06 1.8139E-07 S12 -1.5113E-02 -9.5081E-03 1.0032E-02 -4.5291E-03 1.2074E-03 -2.0054E-04 2.0364E-05 -1.1608E-06 2.8633E-08 S13 -3.2859E-03 -1.7583E-03 1.0403E-05 1.3349E-04 -6.5567E-05 1.6276E-05 -2.2075E-06 1.5319E-07 -4.1766E-09 S14 -9.0825E-03 4.3186E-04 2.4919E-05 -6.9844E-05 1.6541E-05 -1.0677E-06 -4.8495E-08 8.2013E-09 -2.5626E-10 S15 -8.0032E-03 -6.8925E-04 1.5554E-04 -3.1059E-05 4.3918E-06 -3.5965E-07 1.6682E-08 -4.0913E-10 4.1274E-12 S16 4.4688E-03 -2.3510E-03 3.0702E-04 -2.9514E-05 2.3744E-06 -1.3654E-07 4.8470E-09 -9.3658E-11 7.5327E-13 S17 1.3297E-03 -1.4430E-03 2.7661E-04 -2.2902E-05 1.0664E-06 -3.0068E-08 5.1128E-10 -4.8387E-12 1.9609E-14 S18 -5.9733E-03 1.5288E-04 2.2393E-05 -2.4836E-06 1.1383E-07 -2.9006E-09 4.2394E-11 -3.2544E-13 9.7264E-16

[0170] Table 12

[0171] Figure 12A The axial chromatic aberration curve of the optical imaging lens of Example 6 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 12B The astigmatism curve of the optical imaging lens of Example 6 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 12C The distortion curve of the optical imaging lens of Example 6 is shown, which represents the distortion values ​​corresponding to different image heights. Figure 12D The chromatic aberration curve of the optical imaging lens of Example 6 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. 12A to 12D It can be seen that the optical imaging lens provided in Example 6 can achieve good imaging quality.

[0172] Example 7

[0173] The following reference Figures 13 to 14D An optical imaging lens according to Example 7 of the present application is described. Figure 13 A schematic structural diagram of an optical imaging lens according to Example 7 of the present application is shown.

[0174] like Figure 13 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0175] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being concave and its image-side surface S8 being convex. The fifth lens E5 has positive focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being concave and its image-side surface S14 being convex. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0176] In this embodiment, the total effective focal length of the optical imaging lens is f = 7.66 mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.17 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH = 7.20 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno = 1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 45.4°.

[0177] Table 13 shows the basic parameters of the optical imaging lens of Example 7, where the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0178]

[0179]

[0180] Table 13

[0181] In Example 7, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 14 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0182] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -5.0977E-04 3.3460E-03 -5.6779E-03 5.4908E-03 -3.2718E-03 1.2026E-03 -2.6718E-04 3.2911E-05 -1.7353E-06 S2 -8.1891E-04 -4.0983E-03 9.6235E-03 -1.0388E-02 6.5357E-03 -2.5238E-03 5.9075E-04 -7.7162E-05 4.3172E-06 S3 -4.8092E-04 -7.1325E-04 6.9279E-03 -8.6804E-03 5.9977E-03 -2.4984E-03 6.3026E-04 -8.9451E-05 5.5054E-06 S4 3.4123E-03 -9.6238E-04 6.4171E-03 -7.8883E-03 5.6712E-03 -2.5127E-03 6.9236E-04 -1.0979E-04 7.6035E-06 S5 -5.7469E-03 2.0778E-03 -2.2070E-03 1.2149E-03 3.1454E-04 -6.7468E-04 3.4634E-04 -7.8165E-05 6.6727E-06 S6 -1.4088E-03 -5.5277E-03 1.1205E-02 -1.3287E-02 9.9071E-03 -4.6116E-03 1.3180E-03 -2.1029E-04 1.4385E-05 S7 -5.6161E-03 -2.0760E-02 3.0479E-02 -3.1303E-02 2.0735E-02 -8.8389E-03 2.3222E-03 -3.4022E-04 2.1097E-05 S8 8.0012E-03 -4.6417E-02 5.7121E-02 -4.6625E-02 2.4416E-02 -8.1541E-03 1.6759E-03 -1.9350E-04 9.6453E-06 S9 1.7882E-02 -5.0867E-02 4.4952E-02 -2.4021E-02 5.7305E-03 5.1342E-04 -6.2913E-04 1.3409E-04 -9.5937E-06 S10 1.8486E-02 -5.2720E-02 4.9838E-02 -2.9930E-02 1.1044E-02 -2.4707E-03 3.2004E-04 -2.1521E-05 5.6936E-07 S11 -5.2277E-03 -3.1627E-02 3.3570E-02 -1.8796E-02 6.3770E-03 -1.3427E-03 1.7013E-04 -1.1738E-05 3.2970E-07 S12 -1.5672E-02 -9.2119E-03 1.0761E-02 -5.4204E-03 1.6361E-03 -3.1163E-04 3.6642E-05 -2.4288E-06 6.9449E-08 S13 -4.8966E-03 4.4171E-05 -1.4130E-03 7.3125E-04 -2.4437E-04 5.4942E-05 -7.6204E-06 5.7356E-07 -1.7624E-08 S14 -8.7728E-03 1.3388E-03 -5.7816E-04 9.4839E-05 -1.2320E-05 3.0152E-06 -4.7677E-07 3.4278E-08 -9.1193E-10 S15 -9.3271E-03 -8.9727E-05 5.9839E-06 -1.4903E-05 3.8738E-06 -4.0188E-07 2.1157E-08 -5.6337E-10 6.0363E-12 S16 1.8338E-03 -1.6697E-03 1.8959E-04 -1.8507E-05 1.9096E-06 -1.3723E-07 5.6485E-09 -1.2070E-10 1.0447E-12 S17 1.3431E-03 -1.4511E-03 2.7814E-04 -2.3054E-05 1.0751E-06 -3.0364E-08 5.1727E-10 -4.9053E-12 1.9922E-14 S18 -6.0711E-03 1.9383E-04 1.8214E-05 -2.3139E-06 1.1122E-07 -2.9103E-09 4.3070E-11 -3.3019E-13 9.6613E-16

[0183] Table 14

[0184] Figure 14A The axial chromatic aberration curve of the optical imaging lens of Example 7 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 14B The astigmatism curve of the optical imaging lens of Example 7 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 14C The distortion curve of the optical imaging lens of Example 7 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 14D The chromatic aberration curve of the optical imaging lens of Example 7 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. 14A to 14D It can be seen that the optical imaging lens provided in Example 7 can achieve good imaging quality.

[0185] Example 8

[0186] The following reference Figures 15 to 16D The optical imaging lens according to Example 8 of the present application is described. Figure 15 A schematic structural diagram of an optical imaging lens according to Example 8 of the present application is shown.

[0187] like Figure 15 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0188] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being convex and its image-side surface S8 being concave. The fifth lens E5 has negative focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being convex and its image-side surface S14 being concave. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0189] In this embodiment, the total effective focal length of the optical imaging lens is f=8.29 mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.50 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH=6.50 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno=1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 37.4°.

[0190] Table 15 shows the basic parameters of the optical imaging lens of Example 8, where the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0191]

[0192] Table 15

[0193] In Example 8, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 16 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58, A59, A60, A61, A71, A72, A73, A74, A75 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0194] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 1.4988E-04 -2.8156E-04 8.1369E-05 8.9442E-05 -1.5550E-04 8.8191E-05 -2.6003E-05 3.9535E-06 -2.4966E-07 S2 -1.6368E-03 1.0425E-03 -8.1092E-04 5.0000E-04 -2.1860E-04 6.3008E-05 -1.2030E-05 1.4129E-06 -8.1747E-08 S3 2.9757E-04 1.4733E-03 9.4717E-04 -1.4951E-03 1.0409E-03 -4.1287E-04 9.5143E-05 -1.1917E-05 6.2946E-07 S4 2.5373E-03 2.2498E-03 -2.1662E-04 -4.0142E-04 5.0627E-04 -2.5197E-04 6.7520E-05 -9.4648E-06 5.0699E-07 S5 -5.3556E-03 -1.3942E-03 2.9749E-03 -2.5878E-03 1.5290E-03 -5.1366E-04 1.0214E-04 -1.0876E-05 4.4378E-07 S6 -3.4812E-03 -4.1673E-04 1.2109E-04 6.4123E-04 -6.3024E-04 3.4637E-04 -9.8919E-05 1.4255E-05 -7.7983E-07 S7 -1.0110E-02 -1.0827E-02 1.2299E-02 -1.0335E-02 5.7031E-03 -2.0880E-03 4.8343E-04 -6.3723E-05 3.5759E-06 S8 8.5987E-05 -2.4782E-02 2.3585E-02 -1.6489E-02 7.8650E-03 -2.5025E-03 5.0466E-04 -5.8507E-05 2.9917E-06 S9 2.4783E-02 -5.2024E-02 4.2176E-02 -2.5588E-02 1.0620E-02 -2.8289E-03 4.4895E-04 -3.7155E-05 1.1664E-06 S10 1.7469E-02 -4.3194E-02 3.5747E-02 -2.1172E-02 8.4692E-03 -2.2124E-03 3.5973E-04 -3.2918E-05 1.2919E-06 S11 -1.5448E-02 -1.0309E-02 1.2748E-02 -7.0738E-03 2.3436E-03 -4.8819E-04 6.2035E-05 -4.3501E-06 1.2608E-07 S12 -1.8760E-02 -3.3609E-03 5.5931E-03 -2.8646E-03 8.5003E-04 -1.5850E-04 1.8234E-05 -1.1842E-06 3.3293E-08 S13 -6.4583E-03 2.2677E-04 2.7219E-04 -2.7633E-04 5.7379E-05 -2.8216E-06 -4.7158E-07 6.3736E-08 -2.1026E-09 S14 -2.3505E-02 7.5862E-03 -1.8179E-03 3.1127E-04 -7.4341E-05 1.8637E-05 -2.9431E-06 2.6493E-07 -1.2661E-08 S15 -1.7717E-02 9.7882E-04 -1.5994E-04 7.1822E-05 -2.4173E-05 4.8729E-06 -5.9372E-07 4.4334E-08 -1.9872E-09 S16 7.5233E-03 -4.8563E-03 1.0680E-03 -1.5944E-04 1.6350E-05 -1.1066E-06 4.6826E-08 -1.1180E-09 1.1474E-11 S17 -4.0096E-04 -7.2541E-04 2.9478E-04 -4.4608E-05 3.7170E-06 -1.6467E-07 1.9433E-09 1.6739E-10 -8.9853E-12 S18 -9.8730E-03 9.1864E-04 -5.9035E-05 2.4106E-06 -5.5120E-08 1.1209E-10 3.1939E-11 -8.1572E-13 6.6139E-15

[0195] Table 16

[0196] Figure 16AThe axial chromatic aberration curve of the optical imaging lens of Example 8 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 16B The astigmatism curve of the optical imaging lens of Example 8 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 16C The distortion curve of the optical imaging lens of Example 8 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 16D The chromatic aberration curve of the optical imaging lens of Example 8 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. 16A to 16D It can be seen that the optical imaging lens provided in Example 8 can achieve good imaging quality.

[0197] Example 9

[0198] The following reference Figures 17 to 18D The optical imaging lens according to Example 9 of the present application is described. Figure 17 A schematic structural diagram of an optical imaging lens according to Example 9 of the present application is shown.

[0199] like Figure 17 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0200] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being convex and its image-side surface S8 being concave. The fifth lens E5 has negative focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has positive focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has positive focal power, with its object-side surface S13 being convex and its image-side surface S14 being concave. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0201] In this embodiment, the total effective focal length of the optical imaging lens is f=8.31 ​​mm, the distance TTL on the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.50 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH=6.50 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno=1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 37.3°.

[0202] Table 17 shows the basic parameters of the optical imaging lens of Example 9, where the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0203]

[0204] Table 17

[0205] In Example 9, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 18 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0206]

[0207]

[0208] Table 18

[0209] Figure 18A The axial chromatic aberration curve of the optical imaging lens of Example 9 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 18B The astigmatism curve of the optical imaging lens of Example 9 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 18C The distortion curve of the optical imaging lens of Example 9 is shown, which represents the distortion magnitude values ​​corresponding to different image heights. Figure 18D The chromatic aberration curve of the optical imaging lens of Example 9 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. 18A to 18D It can be seen that the optical imaging lens provided in Example 9 can achieve good imaging quality.

[0210] Example 10

[0211] The following reference Figures 19 to 20D An optical imaging lens according to Example 10 of the present application is described. Figure 19 A schematic structural diagram of an optical imaging lens according to Example 10 of the present application is shown.

[0212] like Figure 19 As shown, the optical imaging lens includes, from the object side to the image side along the optical axis, an aperture STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a seventh lens E7, an eighth lens E8, a ninth lens E9, a filter E10 and an imaging surface S21.

[0213] The first lens E1 has positive focal power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative focal power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive focal power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive focal power, with its object-side surface S7 being convex and its image-side surface S8 being concave. The fifth lens E5 has negative focal power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative focal power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The seventh lens E7 has negative focal power, with its object-side surface S13 being convex and its image-side surface S14 being concave. The eighth lens E8 has positive focal power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The ninth lens element E9 has negative power, with a concave object-side surface S17 and a concave image-side surface S18. The filter E10 has an object-side surface S19 and an image-side surface S20. Light from an object passes through surfaces S1 through S20 in sequence and is ultimately imaged on imaging surface S21.

[0214] In this embodiment, the total effective focal length of the optical imaging lens is f=8.06 mm, the distance TTL along the optical axis from the object-side surface S1 of the first lens element E1 to the imaging surface S21 is 9.50 mm, half the diagonal length of the effective pixel area on the imaging surface S21 is ImgH=7.00 mm, the relative F-number (i.e., aperture value) of the optical imaging lens is Fno=1.98, and the maximum half field of view Semi-FOV of the optical imaging lens is 40.2°.

[0215] Table 19 shows the basic parameters of the optical imaging lens of Example 10, where the units of curvature radius, thickness / distance, and focal length are all millimeters (mm).

[0216]

[0217] Table 19

[0218] In Example 10, the object side surface and the image side surface of any lens from the first lens E1 to the ninth lens E9 are all aspherical surfaces. Table 20 below lists the high-order coefficients A4, A6, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58, A59, A60, A61, A71, A72, A73, A74, A75 10 、A 12 、A 14 、A 16 、A 18 and A 20 .

[0219]

[0220]

[0221] Table 20

[0222] Figure 20A The axial chromatic aberration curve of the optical imaging lens of Example 10 is shown, which indicates the deviation of the focal point of light of different wavelengths passing through the lens. Figure 20B The astigmatism curve of the optical imaging lens of Example 10 is shown, which represents the meridional field curvature and the sagittal field curvature. Figure 20C The distortion curve of the optical imaging lens of Example 10 is shown, which represents the distortion values ​​corresponding to different image heights. Figure 20D The chromatic aberration curve of the optical imaging lens of Example 10 is shown, which represents the deviation of different image heights on the imaging surface after the light passes through the lens. 20A to 20D It can be seen that the optical imaging lens provided in Example 10 can achieve good imaging quality.

[0223] In summary, Examples 1 to 10 respectively satisfy the relationships shown in Table 21.

[0224] Conditional formula / Example 1 2 3 4 5 6 7 8 9 10 f8 / f1 1.51 1.55 1.56 1.68 1.85 1.67 1.85 1.48 1.92 1.26 f2 / f9 3.61 3.46 3.59 3.71 3.87 3.87 3.87 2.72 2.30 2.99 f3 / (R5+R6) 3.10 3.31 2.95 2.88 2.10 2.38 2.10 4.23 4.37 3.19 R2 / R3 1.47 1.44 1.45 1.45 1.38 1.41 1.38 1.68 1.82 1.58 R4 / R1 1.59 1.65 1.59 1.57 1.53 1.56 1.53 1.75 1.72 1.72 R12 / R10 -2.00 -2.04 -2.09 -2.13 -1.86 -1.72 -1.86 -1.29 -0.80 -1.39 R9 / R15 -1.98 -1.91 -1.95 -1.82 -2.27 -3.13 -2.27 -2.51 -2.13 -2.47 R18 / R17 -2.68 -2.41 -2.78 -3.09 -3.22 -3.21 -3.22 -2.52 -1.40 -2.25 CT7 / CT6 0.98 1.01 0.99 0.97 1.00 0.92 1.00 1.05 1.05 1.13 T34 / T45 1.65 1.66 1.66 1.80 3.13 2.85 3.13 2.20 2.92 2.03 (CT8+CT9) / T89 1.32 1.40 1.32 1.25 1.07 1.22 1.07 1.27 1.33 1.38 T78 / CT7 1.60 1.47 1.55 1.68 1.64 1.76 1.64 1.29 1.86 1.25 T67 / T56 2.82 2.29 2.79 3.65 3.42 3.58 3.42 1.37 2.47 2.10

[0225] Table 21

[0226] The present application also provides an imaging device, wherein the electronic photosensitive element thereof may be a charge coupled device (CCD) or a complementary metal oxide semiconductor (CMOS). The imaging device may be a standalone imaging device such as a digital camera, or an imaging module integrated into a mobile electronic device such as a mobile phone. The imaging device is equipped with the optical imaging lens assembly described above.

[0227] The above description is merely a preferred embodiment of the present application and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the invention herein is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the inventive concept. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features having similar functions disclosed in this application.

Claims

1. An optical imaging lens, characterized in that: Along the optical axis from the object side to the image side, they include: The first lens has positive refractive power, its object-side surface is convex and its image-side surface is concave; a second lens having negative optical power, the object-side surface of which is convex and the image-side surface of which is concave; The third lens has positive optical power, its object-side surface is convex and its image-side surface is concave; a fourth lens element having positive optical power; a fifth lens element having positive or negative optical power, with a concave object-side surface and a convex image-side surface; a sixth lens element having positive or negative optical power and a concave image-side surface; a seventh lens having positive or negative optical power; an eighth lens element having positive optical power, whose object-side surface is convex and whose image-side surface is concave; The ninth lens element has a negative optical power, a concave object-side surface, a concave image-side surface, and There is an air gap between any two adjacent lenses from the first lens to the ninth lens. The optical imaging lens comprises nine lenses having optical power, and the effective focal length f2 of the second lens and the effective focal length f9 of the ninth lens satisfy the following relationship: 2.3≤f2 / f9≤3.87; The effective focal length f1 of the first lens and the effective focal length f8 of the eighth lens satisfy: 1.26≤f8 / f1≤1.

92.

2. The optical imaging lens according to claim 1, wherein: The Abbe number V2 of the second lens satisfies: 19.2≤V2≤20。 3. The optical imaging lens according to claim 2, wherein: Half the diagonal length ImgH of the effective pixel area on the imaging surface of the optical imaging lens satisfies: 6.5mm≤ImgH≤7.5mm.

4. The optical imaging lens according to claim 1, wherein: The effective focal length f3 of the third lens, the curvature radius R5 of the object-side surface of the third lens, and the curvature radius R6 of the image-side surface of the third lens satisfy: 2.1≤f3 / (R5+R6)≤4.

37.

5. The optical imaging lens according to claim 1, wherein: The curvature radius R2 of the image-side surface of the first lens and the curvature radius R3 of the object-side surface of the second lens satisfy: 1.38≤R2 / R3≤1.

82.

6. The optical imaging lens according to claim 1, wherein: The curvature radius R1 of the object-side surface of the first lens and the curvature radius R4 of the image-side surface of the second lens satisfy: 1.5<R4 / R1≤1.

75.

7. The optical imaging lens according to claim 1, wherein: The curvature radius R10 of the image side surface of the fifth lens and the curvature radius R12 of the image side surface of the sixth lens satisfy: -2.13≤R12 / R10≤-0.

8.

8. The optical imaging lens according to claim 1, wherein: The curvature radius R9 of the object-side surface of the fifth lens and the curvature radius R15 of the object-side surface of the eighth lens satisfy: -3.13≤R9 / R15≤-1.

82.

9. The optical imaging lens according to claim 1, wherein: The curvature radius R17 of the object-side surface of the ninth lens and the curvature radius R18 of the image-side surface of the ninth lens satisfy: -3.22≤R18 / R17≤-1.

4.

10. The optical imaging lens according to any one of claims 1 to 9, wherein: The center thickness CT6 of the sixth lens on the optical axis and the center thickness CT7 of the seventh lens on the optical axis satisfy: 0.92≤CT7 / CT6≤1.

13.

11. The optical imaging lens according to any one of claims 1 to 9, wherein: The air interval T34 between the third lens and the fourth lens on the optical axis and the air interval T45 between the fourth lens and the fifth lens on the optical axis satisfy: 1.65≤T34 / T45≤3.

13.

12. The optical imaging lens according to any one of claims 1 to 9, wherein: The center thickness CT8 of the eighth lens on the optical axis, the center thickness CT9 of the ninth lens on the optical axis, and the air interval T89 between the eighth lens and the ninth lens on the optical axis satisfy: 1.0<(CT8+CT9) / T89≤1.

4.

13. The optical imaging lens according to any one of claims 1 to 9, wherein: The center thickness CT7 of the seventh lens on the optical axis and the air gap T78 between the seventh lens and the eighth lens on the optical axis satisfy: 1.25≤T78 / CT7≤1.

86.

14. The optical imaging lens according to any one of claims 1 to 9, wherein: The air interval T56 between the fifth lens and the sixth lens on the optical axis and the air interval T67 between the sixth lens and the seventh lens on the optical axis satisfy the following conditions: 1.37≤T67 / T56≤3.65.

Images