Optical imaging lens

Abstract

The present application discloses an optical imaging lens, which includes, in order from the object side to the image side along the optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens having optical focal lengths. The first lens, the third lens and the ninth lens have positive optical focal lengths. The second lens and the tenth lens have negative optical focal lengths. The total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy: f / EPD<1.5.

Description

Technical Field

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

[0002] In recent years, as smartphones’ camera and video functions have become increasingly powerful, people are increasingly using smartphones to take pictures and videos to record every detail of their lives. Therefore, a smartphone with powerful camera functions has become a must-have for people at home and when traveling. At the same time, in order to meet the market demand for smartphones and to open up a wider market, major mobile phone manufacturers have put forward more requirements for mobile phone lenses.

[0003] A lens with large aperture, large image surface, ultra-thin, wide angle, small head and other characteristics has been widely favored by many mobile phone developers. However, in the design process of optical lenses, increasing the aperture means increasing the amount of light passing through, which also means a larger signal-to-noise ratio. A larger signal-to-noise ratio is not conducive to improving the imaging quality of optical imaging lenses. Therefore, how to make optical imaging lenses have large aperture, large image surface and other characteristics while having high imaging quality is one of the problems that many optical lens designers need to solve urgently. Summary of the invention

[0004] On one hand, the present application provides an optical imaging lens, which includes, in order from the object side to the image side along the optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens with optical power; the first lens, the third lens and the ninth lens have positive optical power; the second lens and the tenth lens have negative optical power; and the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens can satisfy: f / EPD<1.5.

[0005] In one embodiment, there is at least one aspherical mirror surface from the object side surface of the first lens to the image side surface of the tenth lens.

[0006] In one embodiment, the effective focal length f1 of the first lens and the effective focal length f3 of the third lens may satisfy: 0.7<f1 / f3×10<3.7.

[0007] In one embodiment, an effective focal length f7 of the seventh lens, a curvature radius R13 of the object-side surface of the seventh lens, and a curvature radius R14 of the image-side surface of the seventh lens may satisfy: 0.5<f7 / (R14-R13)<3.3.

[0008] In one embodiment, the effective focal length f9 of the ninth lens and the curvature radius R17 of the object-side surface of the ninth lens may satisfy: 1.0<f9 / R17<1.5.

[0009] In one embodiment, the effective focal length f8 of the eighth lens and the effective focal length f10 of the tenth lens may satisfy: 2.8<f8 / f10<5.3.

[0010] In one implementation, a center thickness CT9 of the ninth lens on the optical axis and a center thickness CT7 of the seventh lens on the optical axis may satisfy: 1.2<CT9 / CT7<1.7.

[0011] In one embodiment, a distance T910 between the ninth lens and the tenth lens on the optical axis and a distance T45 between the fourth lens and the fifth lens on the optical axis may satisfy: 2.0<T910 / T45<2.6.

[0012] In one embodiment, the combined focal length f12 of the first lens and the second lens and the total effective focal length f of the optical imaging lens may satisfy: 2.0<f12 / f<2.5.

[0013] In one embodiment, the combined focal length f1234 of the first lens, the second lens, the third lens and the fourth lens, the center thickness CT1 of the first lens on the optical axis, the center thickness CT2 of the second lens on the optical axis, the center thickness CT3 of the third lens on the optical axis and the center thickness CT4 of the fourth lens on the optical axis may satisfy: 5.0<f1234 / (CT1+CT2+CT3+CT4)<7.0.

[0014] In one embodiment, the combined focal length f78 of the seventh lens and the eighth lens and the combined focal length f56 of the fifth lens and the sixth lens may satisfy: -1.5<f78 / f56<-0.3.

[0015] In one embodiment, a distance SAG31 from the intersection of the object side surface of the third lens and the optical axis to the vertex of the effective radius of the object side surface of the third lens on the optical axis and a distance SAG41 from the intersection of the object side surface of the fourth lens and the optical axis to the vertex of the effective radius of the object side surface of the fourth lens on the optical axis may satisfy: 1.2<SAG31 / SAG41<1.6.

[0016] In one embodiment, the total effective focal length f of the optical imaging lens and the maximum field of view FOV of the optical imaging lens may satisfy: 4.5 mm<f×tan(FOV / 2)<7.0 mm.

[0017] In one embodiment, any two adjacent lenses from the first lens to the tenth lens have a spacing distance on the optical axis.

[0018] In one embodiment, the object-side surface of the third lens is convex, and the image-side surface is concave; and the object-side surface of the fourth lens is convex, and the image-side surface is concave.

[0019] On the other hand, the present application provides an optical imaging lens. The optical imaging lens includes, in order from the object side to the image side along the optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens with optical power; the first lens, the third lens and the ninth lens have positive optical power; the second lens and the tenth lens have negative optical power; and the total effective focal length f of the optical imaging lens and the maximum field of view FOV of the optical imaging lens can satisfy: 4.5mm<f×tan(FOV / 2)<7.0mm.

[0020] In one embodiment, the effective focal length f1 of the first lens and the effective focal length f3 of the third lens may satisfy: 0.7<f1 / f3×10<3.7.

[0021] In one embodiment, an effective focal length f7 of the seventh lens, a curvature radius R13 of the object-side surface of the seventh lens, and a curvature radius R14 of the image-side surface of the seventh lens may satisfy: 0.5<f7 / (R14-R13)<3.3.

[0022] In one embodiment, the effective focal length f9 of the ninth lens and the curvature radius R17 of the object-side surface of the ninth lens may satisfy: 1.0<f9 / R17<1.5.

[0023] In one embodiment, the effective focal length f8 of the eighth lens and the effective focal length f10 of the tenth lens may satisfy: 2.8<f8 / f10<5.3.

[0024] In one implementation, a center thickness CT9 of the ninth lens on the optical axis and a center thickness CT7 of the seventh lens on the optical axis may satisfy: 1.2<CT9 / CT7<1.7.

[0025] In one embodiment, a distance T910 between the ninth lens and the tenth lens on the optical axis and a distance T45 between the fourth lens and the fifth lens on the optical axis may satisfy: 2.0<T910 / T45<2.6.

[0026] In one embodiment, the combined focal length f12 of the first lens and the second lens and the total effective focal length f of the optical imaging lens may satisfy: 2.0<f12 / f<2.5.

[0027] In one embodiment, the combined focal length f1234 of the first lens, the second lens, the third lens and the fourth lens, the center thickness CT1 of the first lens on the optical axis, the center thickness CT2 of the second lens on the optical axis, the center thickness CT3 of the third lens on the optical axis and the center thickness CT4 of the fourth lens on the optical axis may satisfy: 5.0<f1234 / (CT1+CT2+CT3+CT4)<7.0.

[0028] In one embodiment, the combined focal length f78 of the seventh lens and the eighth lens and the combined focal length f56 of the fifth lens and the sixth lens may satisfy: -1.5<f78 / f56<-0.3.

[0029] In one embodiment, a distance SAG31 from the intersection of the object side surface of the third lens and the optical axis to the vertex of the effective radius of the object side surface of the third lens on the optical axis and a distance SAG41 from the intersection of the object side surface of the fourth lens and the optical axis to the vertex of the effective radius of the object side surface of the fourth lens on the optical axis may satisfy: 1.2<SAG31 / SAG41<1.6.

[0030] In one embodiment, the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens may satisfy: f / EPD<1.5.

[0031] In one embodiment, any two adjacent lenses from the first lens to the tenth lens have a spacing distance on the optical axis.

[0032] In one embodiment, the object-side surface of the third lens is convex, and the image-side surface is concave; and the object-side surface of the fourth lens is convex, and the image-side surface is concave.

[0033] The present application provides an optical imaging lens which is applicable to portable electronic products and has at least one of the beneficial effects of ultra-thinness, large aperture, large image surface, wide angle, and good imaging quality by reasonably allocating optical focal length and optimizing optical parameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0035] Figure 1 A schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application is shown;

[0036] FIG. 2A to FIG. 2C The axial chromatic aberration curve, astigmatism curve and distortion curve of the optical imaging lens of Example 1 are respectively shown;

[0037] Figure 3 A schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application is shown;

[0038] FIG. 4A to FIG. 4C The axial chromatic aberration curve, astigmatism curve and distortion curve of the optical imaging lens of Example 2 are respectively shown;

[0039] Figure 5 A schematic structural diagram of an optical imaging lens according to Embodiment 3 of the present application is shown;

[0040] FIG. 6A to FIG. 6C The axial chromatic aberration curve, astigmatism curve and distortion curve of the optical imaging lens of Example 3 are respectively shown;

[0041] Figure 7 A schematic structural diagram of an optical imaging lens according to Embodiment 4 of the present application is shown;

[0042] FIG. 8A to FIG. 8C The axial chromatic aberration curve, astigmatism curve and distortion curve of the optical imaging lens of Example 4 are respectively shown;

[0043] Fig. 9 A schematic structural diagram of an optical imaging lens according to Embodiment 5 of the present application is shown;

[0044] FIG. 10A to FIG. 10C The axial chromatic aberration curve, the astigmatism curve and the distortion curve of the optical imaging lens of Example 5 are respectively shown;

[0045] Fig.11 A schematic structural diagram of an optical imaging lens according to Embodiment 6 of the present application is shown; and

[0046] FIG. 12A to FIG. 12C The axial chromatic aberration curve, astigmatism curve and distortion curve of the optical imaging lens of Example 6 are respectively shown. DETAILED DESCRIPTION

[0047] In order to better understand the present application, a more detailed description will be made of various aspects of the present application with reference to the accompanying drawings. It should be understood that these detailed descriptions are only 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.

[0048] It should be noted that in this specification, the expressions of first, second, third, etc. are only used to distinguish one feature from another feature, and do not represent any limitation on the features. Therefore, without departing from the teaching of the present application, the first lens discussed below may also be referred to as the second lens or the third lens.

[0049] In the drawings, the thickness, size and shape of the lenses have been slightly exaggerated for ease of explanation. Specifically, the shapes of the spherical or aspherical surfaces shown in the drawings are shown by way of example. That is, the shapes of the spherical or aspherical surfaces are not limited to the shapes of the spherical or aspherical surfaces shown in the drawings. The drawings are only examples and are not drawn strictly to scale.

[0050] In this article, the paraxial region refers to the region near the optical axis. If the lens surface is convex and the position of the convex surface is not defined, it means that the lens surface is convex at least in the paraxial region; if the lens surface is concave and the position of the concave surface is not defined, it means that the lens surface is concave at least in the paraxial region. The surface of each lens closest to the object is called the object side of the lens, and the surface of each lens closest to the imaging plane is called the image side of the lens.

[0051] 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 exclude 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 listed 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.

[0052] Unless otherwise defined, all terms (including technical terms and scientific terms) used in this article have the same meaning as those commonly understood by ordinary technicians in the field to which this application belongs. It should also be understood that terms (such as terms defined in commonly used dictionaries) should be interpreted as having the same meaning as their meaning in the context of the relevant technology, and will not be interpreted in an idealized or overly formal sense unless explicitly defined in this article.

[0053] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present 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.

[0054] The features, principles and other aspects of the present application are described in detail below.

[0055] The optical imaging lens according to the exemplary embodiment of the present application may include ten lenses with 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, a ninth lens and a tenth lens. The ten lenses are arranged in sequence from the object side to the image side along the optical axis. Any two adjacent lenses from the first lens to the tenth lens may have a spacing distance between them.

[0056] In an exemplary embodiment, the first lens may have positive optical power, the second lens may have negative optical power; the third lens may have positive optical power; the fourth lens may have positive optical power or negative optical power; the fifth lens may have positive optical power or negative optical power; the sixth lens may have positive optical power or negative optical power; the seventh lens may have positive optical power or negative optical power; the eighth lens may have positive optical power or negative optical power; the ninth lens may have positive optical power; and the tenth lens may have negative optical power.

[0057] In an exemplary embodiment, the first lens with positive optical power can converge light; the second lens with negative optical power and the third lens with positive optical power can reasonably distribute the optical power of the optical imaging lens, avoid excessive concentration of the optical power of the optical imaging lens on one lens, make the edge light have a better convergence effect on the imaging surface, and help reduce the coma of the optical imaging lens, so that it has better imaging quality. The ninth lens with positive optical power is equipped with the tenth lens with negative optical power, which is conducive to reducing the field curvature of the optical imaging lens, reducing the discreteness of the optical imaging lens, and improving the phenomenon of field curvature interlacing.

[0058] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: f / EPD<1.5, where f is the total effective focal length of the optical imaging lens, and EPD is the entrance pupil diameter of the optical imaging lens. Satisfying f / EPD<1.5 can not only increase the aperture of the imaging lens while avoiding excessive aberration of the edge field of view, but also enable the imaging lens to have characteristics such as a wide imaging range and high imaging quality.

[0059] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 0.7<f1 / f3×10<3.7, where f1 is the effective focal length of the first lens, and f3 is the effective focal length of the third lens. Satisfying 0.7<f1 / f3×10<3.7 can not only effectively reduce the size of the optical imaging lens, but also avoid excessive concentration of the optical power of the optical imaging lens on a certain lens, and can also control the spherical aberration contribution of the first lens and the third lens within a reasonable range, so that the optical imaging lens can obtain better imaging quality.

[0060] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 0.5<f7 / (R14-R13)<3.3, wherein f7 is the effective focal length of the seventh lens, R13 is the radius of curvature of the object side surface of the seventh lens, and R14 is the radius of curvature of the image side surface of the seventh lens. Satisfying 0.5<f7 / (R14-R13)<3.3 is conducive to constraining the lens structure of the seventh lens and reducing the chromatic aberration of the lens.

[0061] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 1.0<f9 / R17<1.5, wherein f9 is the effective focal length of the ninth lens, and R17 is the radius of curvature of the object side of the ninth lens. More specifically, f9 and R17 may further satisfy: 1.1<f9 / R17<1.4. Satisfying 1.0<f9 / R17<1.5 is conducive to the processing and molding of the ninth lens, and is conducive to reducing the sensitivity of the ninth lens. At the same time, the stray light at the end of the lens can be reduced by setting the shape of the ninth lens.

[0062] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 2.8<f8 / f10<5.3, where f8 is the effective focal length of the eighth lens, and f10 is the effective focal length of the tenth lens. Satisfying 2.8<f8 / f10<5.3 can not only avoid excessive concentration of the focal power of the lens on the eighth lens, but also reduce the sensitivity of the tenth lens, so that the optical imaging lens has better processing feasibility.

[0063] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 1.2<CT9 / CT7<1.7, wherein CT9 is the center thickness of the ninth lens on the optical axis, and CT7 is the center thickness of the seventh lens on the optical axis. Satisfying 1.2<CT9 / CT7<1.7 can effectively reduce the distortion of the lens and reduce the risk of ghost images caused by internal reflection of light.

[0064] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 2.0<T910 / T45<2.6, wherein T910 is the spacing distance between the ninth lens and the tenth lens on the optical axis, and T45 is the spacing distance between the fourth lens and the fifth lens on the optical axis. Satisfying 2.0<T910 / T45<2.6 is conducive to miniaturization and helps reduce the risk of ghost images caused by the object side of the fourth lens. In conjunction with the spacing distance between the fourth lens and the fifth lens on the optical axis, the chromatic aberration of the lens can be effectively reduced, while the processing and assembly characteristics of the lens can be ensured. At the same time, it is conducive to slowing down the deflection of light, adjusting the field curvature of the imaging lens, and reducing its sensitivity, thereby improving the production yield.

[0065] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 2.0<f12 / f<2.5, wherein f12 is the combined focal length of the first lens and the second lens, and f is the total effective focal length of the optical imaging lens. More specifically, f12 and f may further satisfy: 2.2<f12 / f<2.5. Satisfying 2.0<f12 / f<2.5 can not only effectively reduce the size of the lens and avoid excessive concentration of the focal length of the lens on the first lens and the second lens, but also control the spherical aberration contribution of the first lens and the second lens within a reasonable range, so that the lens can obtain better resolution.

[0066] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 5.0<f1234 / (CT1+CT2+CT3+CT4)<7.0, wherein f1234 is the combined focal length of the first lens, the second lens, the third lens, and the fourth lens, CT1 is the center thickness of the first lens on the optical axis, CT2 is the center thickness of the second lens on the optical axis, CT3 is the center thickness of the third lens on the optical axis, and CT4 is the center thickness of the fourth lens on the optical axis. More specifically, f1234, CT1, CT2, CT3, and CT4 may further satisfy: 5.6<f1234 / (CT1+CT2+CT3+CT4)<6.6. By satisfying 5.0<f1234 / (CT1+CT2+CT3+CT4)<7.0, the shapes of the first lens, the second lens, the third lens and the fourth lens can be constrained. By reasonably allocating the optical power of the first lens, the second lens, the third lens and the fourth lens, the spherical aberration and chromatic aberration of the lens can be reduced by constraining the optical power of the first four lenses, so that the lens has good imaging performance.

[0067] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: -1.5<f78 / f56<-0.3, wherein f78 is the combined focal length of the seventh lens and the eighth lens, and f56 is the combined focal length of the fifth lens and the sixth lens. More specifically, f78 and f56 may further satisfy: -1.4<f78 / f56<-0.3. Satisfying -1.5<f78 / f56<-0.3 is conducive to reasonably distributing the focal length of each lens and reducing the aberration of the lens.

[0068] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 1.2<SAG31 / SAG41<1.6, wherein SAG31 is the distance from the intersection of the object side surface of the third lens and the optical axis to the effective radius vertex of the object side surface of the third lens on the optical axis, and SAG41 is the distance from the intersection of the object side surface of the fourth lens and the optical axis to the effective radius vertex of the object side surface of the fourth lens on the optical axis. More specifically, SAG31 and SAG41 may further satisfy: 1.3<SAG31 / SAG41<1.5. Satisfying 1.2<SAG31 / SAG41<1.6 can not only control the shapes of the third lens and the fourth lens, but also reduce the field curvature of the lens, and also reduce the mid-thickness gap sensitivity of the third lens and the fourth lens.

[0069] In an exemplary embodiment, the optical imaging lens according to the present application may satisfy: 4.5mm<f×tan(FOV / 2)<7.0mm, where f is the total effective focal length of the optical imaging lens, and FOV is the maximum field of view of the optical imaging lens. More specifically, f and FOV may further satisfy: 4.7mm<f×tan(FOV / 2)<5.6mm. Satisfying 4.5mm<f×tan(FOV / 2)<7.0mm is conducive to controlling the aperture size of the lens, so that the lens meets certain imaging parameter requirements, thereby reducing the lens size to a certain extent and reducing the sensitivity of the lens.

[0070] In an exemplary embodiment, any two adjacent lenses from the first lens to the tenth lens may have a spacing distance on the optical axis, which can ensure that the imaging lens can be better molded and assembled.

[0071] In an exemplary embodiment, the object side surface of the third lens may be convex, and the image side surface may be concave. The object side surface of the fourth lens may be convex, and the image side surface may be concave. The third lens having a convex-concave surface is matched with the fourth lens having a convex-concave surface, which is beneficial to reducing the chromatic aberration of the lens, and is beneficial to reducing the spherical aberration and coma of the lens.

[0072] In an exemplary embodiment, the optical imaging lens according to the present application further includes an aperture provided between the object side and the first lens. 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. The present application proposes an optical imaging lens having the characteristics of ultra-thinness, large aperture, large image surface, wide angle, small head, telephoto, high imaging quality, etc. The optical imaging lens according to the above-mentioned embodiment of the present application may adopt multiple lenses, such as the ten lenses described above. By reasonably allocating the focal length, surface shape, center thickness of each lens, and axial spacing between each lens, etc., the incident light can be effectively converged, the total optical length of the imaging lens can be reduced, and the processability of the imaging lens can be improved, so that the optical imaging lens is more conducive to production and processing.

[0073] In the embodiment of the present application, 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 of the first lens to the image side of the tenth lens is an aspherical mirror surface. The characteristic of the aspherical lens is that the curvature changes continuously from the center of the lens to the periphery of the lens. Unlike a spherical lens with a constant curvature from the center of the lens to the periphery of the lens, an aspherical lens has a better curvature radius characteristic, and has 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 and image side 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, the ninth lens and the tenth lens is an aspherical mirror surface. Optionally, the object side and image side 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, the ninth lens and the tenth lens are all aspherical mirror surfaces.

[0074] However, those skilled in the art should understand that, without departing from the technical solution claimed in the present application, the number of lenses constituting the optical imaging lens can be changed to obtain the various results and advantages described in this specification. For example, although ten lenses are described as an example in the embodiments, the optical imaging lens is not limited to including ten lenses. If necessary, the optical imaging lens may also include other numbers of lenses.

[0075] Specific embodiments of the optical imaging lens applicable to the above-mentioned embodiments are further described below with reference to the accompanying drawings.

[0076] Example 1

[0077] The following reference Figures 1 to 2C An optical imaging lens according to Embodiment 1 of the present application is described. Figure 1 A schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application is shown.

[0078] like Figure 1 As shown, the optical imaging lens includes, from the object side to the image side, 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 tenth lens E10, a filter E11 and an imaging surface S23.

[0079] The first lens E1 has positive focal power, and its object side surface S1 is convex, and its image side surface S2 is concave. The second lens E2 has negative focal power, and its object side surface S3 is convex, and its image side surface S4 is concave. The third lens E3 has positive focal power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive focal power, and its object side surface S7 is convex, and its image side surface S8 is concave. The fifth lens E5 has positive focal power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative focal power, and its object side surface S11 is convex, and its image side surface S12 is concave. The seventh lens E7 has positive focal power, and its object side surface S13 is concave, and its image side surface S14 is convex. The eighth lens E8 has negative focal power, and its object side surface S15 is concave, and its image side surface S16 is concave. The ninth lens E9 has positive power, and its object side surface S17 is convex, and its image side surface S18 is convex. The tenth lens E10 has negative power, and its object side surface S19 is concave, and its image side surface S20 is convex. The filter E11 has an object side surface S21 and an image side surface S22. The light from the object passes through each surface S1 to S22 in sequence and is finally imaged on the imaging surface S23.

[0080] Table 1 shows the basic parameters of the optical imaging lens of Example 1, wherein the units of the radius of curvature, thickness / distance and focal length are all millimeters (mm).

[0081]

[0082]

[0083] Table 1

[0084] In this example, the total effective focal length f of the optical imaging lens is 5.44 mm, the total length TTL of the optical imaging lens (i.e., the distance from the object-side surface S1 of the first lens E1 to the imaging surface S23 of the optical imaging lens on the optical axis) is 7.76 mm, and half of the diagonal length ImgH of the effective pixel area on the imaging surface S23 of the optical imaging lens is 4.77 mm.

[0085] In Example 1, the object side surface and the image side surface of any lens among the first lens E1 to the tenth lens E10 are both aspherical surfaces, and the surface shape x of each aspherical lens can be defined by but not limited to the following aspherical surface formula:

[0086]

[0087] Wherein, x is the distance vector height from the vertex of the aspheric surface when the aspheric surface is 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 cone coefficient; Ai is the correction coefficient of the i-th order of the aspheric surface. Table 2 below gives 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, 10 , A 12 , A 14 and A 16 .

[0088] Face number A4 A6 A8 A10 A12 A14 A16 S1 -1.6310E-02 3.0927E-02 -2.4131E-02 9.4162E-03 -1.9399E-03 2.0209E-04 -8.3969E-06 S2 -3.2704E-02 2.4159E-02 -1.3979E-02 5.0118E-03 -1.0555E-03 1.2005E-04 -5.7071E-06 S3 3.3150E-02 -5.2322E-04 -6.2926E-03 2.5608E-03 -4.2343E-04 2.7599E-05 -2.5914E-07 S4 6.1968E-02 -2.4229E-02 9.6301E-03 -4.5505E-03 1.4370E-03 -2.3778E-04 1.5789E-05 S5 -3.6767E-02 4.4621E-04 5.3353E-03 -3.9643E-03 1.4655E-03 -2.6774E-04 1.8916E-05 S6 -4.0399E-02 1.2306E-02 -9.8646E-03 5.4675E-03 -1.6357E-03 2.7948E-04 -2.0749E-05 S7 4.6038E-03 -2.2607E-03 4.3657E-04 -1.5137E-03 8.7427E-04 -1.9063E-04 1.5562E-05 S8 2.2862E-03 1.6807E-03 -7.8777E-04 -6.5536E-04 4.9400E-04 -1.2465E-04 1.2063E-05 S9 3.8249E-04 -1.7235E-02 6.0005E-03 -3.6223E-03 1.6356E-03 -3.3366E-04 2.6137E-05 S10 4.7716E-03 -1.4124E-02 4.1170E-03 -1.5664E-03 5.6716E-04 -9.5335E-05 6.1208E-06 S11 -3.5119E-02 -4.9550E-03 1.1726E-02 -4.9506E-03 8.4044E-04 -4.4920E-05 -9.8841E-07 S12 -5.2164E-02 8.0237E-03 1.3910E-03 -7.9037E-04 3.0825E-05 1.9651E-05 -1.8788E-06 S13 -1.0422E-02 4.2191E-03 -4.2614E-04 -2.4872E-05 9.2485E-06 -7.5409E-07 2.0633E-08 S14 1.8484E-03 3.4940E-03 -1.1460E-03 2.4306E-04 -2.9110E-05 1.7169E-06 -3.8873E-08 S15 1.5549E-02 -7.7553E-03 2.2376E-03 -3.8702E-04 3.7428E-05 -1.8801E-06 3.8612E-08 S16 -1.7859E-02 -3.9767E-03 2.5915E-03 -4.9386E-04 4.6539E-05 -2.2079E-06 4.2034E-08 S17 -2.0906E-02 2.7404E-03 -2.6807E-04 1.9725E-05 -9.6938E-07 2.7670E-08 -3.4361E-10 S18 9.3641E-03 -1.7323E-03 1.8724E-04 -1.3262E-05 5.7288E-07 -1.3287E-08 1.2592E-10 S19 -4.4455E-03 3.3062E-03 -4.6611E-04 3.2470E-05 -1.1485E-06 1.6793E-08 -2.3244E-11 S20 9.4631E-03 -1.8584E-03 1.7151E-04 -9.4268E-06 3.0183E-07 -5.1357E-09 3.5776E-11

[0089] Table 2

[0090] Figure 2A The axial chromatic aberration curve of the optical imaging lens of Example 1 is shown, which indicates the deviation of light of different wavelengths from the focal point behind the lens. Figure 2B The astigmatism curve of the optical imaging lens of Example 1 is shown, which represents the meridional image curvature and the sagittal image curvature. Figure 2C The distortion curve of the optical imaging lens of Example 1 is shown, which indicates the distortion magnitude values ​​corresponding to different image heights. FIG. 2A to FIG. 2C It can be seen that the optical imaging lens provided in Example 1 can achieve good imaging quality.

[0091] Example 2

[0092] The following reference Figures 3 to 4C The optical imaging lens according to Embodiment 2 of the present application is described. In this embodiment and the following embodiments, for the sake of brevity, some descriptions similar to Embodiment 1 will be omitted. Figure 3 A schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application is shown.

[0093] like Figure 3 As shown, the optical imaging lens includes, from the object side to the image side, 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 tenth lens E10, a filter E11 and an imaging surface S23.

[0094] The first lens E1 has positive focal power, and its object side surface S1 is convex, and its image side surface S2 is concave. The second lens E2 has negative focal power, and its object side surface S3 is concave, and its image side surface S4 is concave. The third lens E3 has positive focal power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive focal power, and its object side surface S7 is convex, and its image side surface S8 is concave. The fifth lens E5 has positive focal power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative focal power, and its object side surface S11 is convex, and its image side surface S12 is concave. The seventh lens E7 has positive focal power, and its object side surface S13 is concave, and its image side surface S14 is convex. The eighth lens E8 has negative focal power, and its object side surface S15 is concave, and its image side surface S16 is concave. The ninth lens E9 has positive power, and its object side surface S17 is convex, and its image side surface S18 is convex. The tenth lens E10 has negative power, and its object side surface S19 is concave, and its image side surface S20 is concave. The filter E11 has an object side surface S21 and an image side surface S22. The light from the object passes through each surface S1 to S22 in sequence and is finally imaged on the imaging surface S23.

[0095] In this example, the total effective focal length f of the optical imaging lens is 6.17 mm, the total length TTL of the optical imaging lens is 8.41 mm, and half of the diagonal length ImgH of the effective pixel area on the imaging surface S23 of the optical imaging lens is 5.68 mm.

[0096] Table 3 shows the basic parameters of the optical imaging lens of Example 2, wherein the units of the radius of curvature, thickness / distance and focal length are all in millimeters (mm). Table 4 shows the high-order coefficients of each aspherical mirror surface that can be used in Example 2, wherein the surface type of each aspherical surface can be defined by the formula (1) given in the above Example 1.

[0097]

[0098]

[0099] Table 3

[0100] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -2.6088E-04 7.8592E-04 -5.9378E-04 2.2702E-04 -3.5587E-05 1.8630E-09 5.9370E-07 -5.4209E-08 1.1666E-09 S2 -3.4831E-02 2.7511E-02 -1.7289E-02 7.0453E-03 -1.8105E-03 2.9106E-04 -2.9100E-05 1.8034E-06 -6.1565E-08 S3 3.5515E-02 -4.0725E-04 -9.3142E-03 5.5454E-03 -2.0297E-03 5.7971E-04 -1.2061E-04 1.4988E-05 -8.0242E-07 S4 5.9280E-02 -2.2383E-02 9.4192E-03 -5.1398E-03 1.7429E-03 -2.6076E-04 -1.6678E-07 3.6984E-06 -2.1552E-07 S5 -3.9465E-02 4.6923E-04 6.1036E-03 -4.7727E-03 1.8581E-03 -4.1217E-04 5.8505E-05 -6.5430E-06 4.6499E-07 S6 -3.7853E-02 8.1172E-03 -6.8896E-03 4.2478E-03 -1.5709E-03 4.4631E-04 -9.7151E-05 1.4755E-05 -1.1285E-06 S7 6.2241E-03 -7.4330E-03 7.7427E-03 -7.9000E-03 4.4657E-03 -1.4496E-03 2.7503E-04 -2.7915E-05 1.1403E-06 S8 5.3697E-03 -3.1464E-03 4.4139E-03 -4.2098E-03 2.1418E-03 -6.8499E-04 1.5106E-04 -2.1937E-05 1.5688E-06 S9 -1.0185E-03 -1.1114E-02 -2.6855E-03 2.6394E-03 -9.8696E-04 3.8076E-04 -1.1471E-04 1.9803E-05 -1.4140E-06 S10 5.4991E-03 -1.2373E-02 -2.5546E-04 2.7255E-03 -1.6693E-03 5.6988E-04 -1.0603E-04 9.7898E-06 -3.3279E-07 S11 -3.8901E-02 1.1730E-03 3.9062E-03 2.3771E-03 -3.5113E-03 1.5270E-03 -3.3658E-04 3.9066E-05 -1.9159E-06 S12 -4.6092E-02 -5.4556E-04 1.0729E-02 -7.5908E-03 3.2613E-03 -9.5295E-04 1.7577E-04 -1.7930E-05 7.6674E-07 S13 -1.0163E-02 3.9703E-03 -5.9374E-04 2.1633E-04 -1.0204E-04 2.6337E-05 -3.6967E-06 2.7165E-07 -8.2284E-09 S14 1.3786E-03 3.9482E-03 -1.1220E-03 1.5095E-04 4.2916E-06 -4.1722E-06 5.2431E-07 -2.7823E-08 5.5352E-10 S15 1.9311E-02 -1.1017E-02 3.5725E-03 -6.5271E-04 5.1121E-05 2.3717E-06 -8.6648E-07 7.2083E-08 -2.1764E-09 S16 -1.8224E-02 -3.0720E-03 1.8620E-03 -1.5344E-04 -5.1607E-05 1.5134E-05 -1.7821E-06 1.0479E-07 -2.5298E-09 S17 -2.1067E-02 2.8276E-03 -2.7044E-04 1.9352E-05 -9.4245E-07 2.7100E-08 -3.3663E-10 -3.0781E-13 5.6177E-15 S18 1.1480E-02 -2.4220E-03 2.7929E-04 -2.0725E-05 9.4104E-07 -2.2987E-08 2.1860E-10 6.1765E-13 -9.0467E-15 S19 9.2248E-03 -2.0152E-03 2.9774E-04 -2.4603E-05 1.1362E-06 -2.7755E-08 2.9093E-10 -5.3171E-13 4.8803E-15 S20 1.2198E-03 -7.0216E-04 3.5311E-05 4.2130E-06 -8.1714E-07 6.1660E-08 -2.5073E-09 5.3992E-11 -4.8374E-13

[0101] Table 4

[0102] Figure 4A The axial chromatic aberration curve of the optical imaging lens of Example 2 is shown, which indicates that light of different wavelengths deviates from the focal point behind the lens. Figure 4B The astigmatism curve of the optical imaging lens of Example 2 is shown, which represents the meridional image curvature and the sagittal image curvature. Figure 4C The distortion curve of the optical imaging lens of Example 2 is shown, which indicates the distortion magnitude values ​​corresponding to different image heights. FIG. 4A to FIG. 4C It can be seen that the optical imaging lens provided in Example 2 can achieve good imaging quality.

[0103] Example 3

[0104] The following reference Figures 5 to 6C An optical imaging lens according to Embodiment 3 of the present application is described. Figure 5 A schematic structural diagram of an optical imaging lens according to Embodiment 3 of the present application is shown.

[0105] like Figure 5 As shown, the optical imaging lens includes, from the object side to the image side, 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 tenth lens E10, a filter E11 and an imaging surface S23.

[0106] The first lens E1 has positive focal power, and its object side surface S1 is convex, and its image side surface S2 is concave. The second lens E2 has negative focal power, and its object side surface S3 is convex, and its image side surface S4 is concave. The third lens E3 has positive focal power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has negative focal power, and its object side surface S7 is convex, and its image side surface S8 is concave. The fifth lens E5 has positive focal power, and its object side surface S9 is convex, and its image side surface S10 is convex. The sixth lens E6 has negative focal power, and its object side surface S11 is convex, and its image side surface S12 is concave. The seventh lens E7 has positive focal power, and its object side surface S13 is concave, and its image side surface S14 is convex. The eighth lens E8 has negative focal power, and its object side surface S15 is concave, and its image side surface S16 is concave. The ninth lens E9 has positive power, and its object side surface S17 is convex, and its image side surface S18 is convex. The tenth lens E10 has negative power, and its object side surface S19 is concave, and its image side surface S20 is convex. The filter E11 has an object side surface S21 and an image side surface S22. The light from the object passes through each surface S1 to S22 in sequence and is finally imaged on the imaging surface S23.

[0107] In this example, the total effective focal length f of the optical imaging lens is 5.48 mm, the total length TTL of the optical imaging lens is 7.63 mm, and half of the diagonal length ImgH of the effective pixel area on the imaging surface S23 of the optical imaging lens is 4.77 mm.

[0108] Table 5 shows the basic parameters of the optical imaging lens of Example 3, wherein the units of the radius of curvature, thickness / distance and focal length are all in millimeters (mm). Table 6 shows the high-order coefficients of each aspherical mirror surface that can be used in Example 3, wherein the surface type of each aspherical surface can be defined by the formula (1) given in the above Example 1.

[0109]

[0110]

[0111] Table 5

[0112] Face number A4 A6 A8 A10 A12 A14 A16 S1 -1.5316E-02 2.7677E-02 -2.1432E-02 8.4244E-03 -1.7573E-03 1.8576E-04 -7.8386E-06 S2 -3.4852E-02 2.6725E-02 -1.5926E-02 5.9056E-03 -1.2881E-03 1.5145E-04 -7.4155E-06 S3 3.4619E-02 -1.6007E-03 -5.7354E-03 2.3186E-03 -3.5323E-04 1.6895E-05 3.8239E-07 S4 6.6237E-02 -2.8252E-02 1.2479E-02 -5.7512E-03 1.7261E-03 -2.7473E-04 1.7735E-05 S5 -4.6260E-02 1.4944E-02 -7.2605E-03 2.2894E-03 -2.7981E-04 -1.1890E-05 3.6027E-06 S6 -2.6007E-02 -6.0701E-03 5.9039E-03 -2.1596E-03 4.6584E-04 -2.8735E-05 -2.0667E-06 S7 2.1586E-02 -2.2825E-02 1.6136E-02 -8.3159E-03 2.5573E-03 -4.1269E-04 2.7445E-05 S8 -1.6457E-02 2.3767E-02 -1.7562E-02 7.2266E-03 -1.7188E-03 2.1471E-04 -1.0009E-05 S9 -1.8235E-03 -1.3089E-02 2.9104E-03 -2.1564E-03 1.1931E-03 -2.5980E-04 2.0930E-05 S10 6.8499E-03 -1.6626E-02 5.8253E-03 -2.2744E-03 7.4361E-04 -1.1908E-04 7.4482E-06 S11 -3.6166E-02 -3.2243E-03 1.0363E-02 -4.3746E-03 7.0959E-04 -3.0160E-05 -1.6242E-06 S12 -4.9885E-02 6.0355E-03 2.6601E-03 -1.2632E-03 1.2906E-04 9.0364E-06 -1.4142E-06 S13 -9.6431E-03 3.4092E-03 -1.1407E-04 -8.6401E-05 1.5975E-05 -1.1370E-06 2.9463E-08 S14 2.2542E-03 3.6260E-03 -1.1052E-03 2.1598E-04 -2.3575E-05 1.2571E-06 -2.4861E-08 S15 1.8254E-02 -1.0758E-02 3.4806E-03 -6.6580E-04 7.1137E-05 -3.9499E-06 8.9677E-08 S16 -1.7122E-02 -3.7265E-03 2.4703E-03 -4.7299E-04 4.4689E-05 -2.1245E-06 4.0526E-08 S17 -2.1714E-02 2.8768E-03 -2.7781E-04 2.0127E-05 -9.8446E-07 2.8172E-08 -3.5108E-10 S18 1.3607E-02 -2.5939E-03 2.9689E-04 -2.2069E-05 9.9981E-07 -2.4458E-08 2.4596E-10 S19 1.7183E-02 -1.7349E-03 1.8552E-04 -1.6245E-05 9.4472E-07 -3.0597E-08 4.0411E-10 S20 3.6963E-03 -7.3364E-04 5.6450E-05 -2.4772E-06 5.8548E-08 -6.0868E-10 1.2649E-12

[0113] Table 6

[0114] Fig. 6A The axial chromatic aberration curve of the optical imaging lens of Example 3 is shown, which indicates that light of different wavelengths deviates from the focal point behind the lens. Figure 6B The astigmatism curve of the optical imaging lens of Example 3 is shown, which represents the meridional image curvature and the sagittal image curvature. Figure 6C The distortion curve of the optical imaging lens of Example 3 is shown, which indicates the distortion magnitude values ​​corresponding to different image heights. FIG. 6A to FIG. 6C It can be seen that the optical imaging lens provided in Example 3 can achieve good imaging quality.

[0115] Example 4

[0116] The following reference Figures 7 to 8C An optical imaging lens according to Embodiment 4 of the present application is described. Figure 7 A schematic structural diagram of an optical imaging lens according to Embodiment 4 of the present application is shown.

[0117] like Figure 7 As shown, the optical imaging lens includes, from the object side to the image side, 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 tenth lens E10, a filter E11 and an imaging surface S23.

[0118] The first lens E1 has positive focal power, and its object side surface S1 is convex, and its image side surface S2 is concave. The second lens E2 has negative focal power, and its object side surface S3 is convex, and its image side surface S4 is concave. The third lens E3 has positive focal power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive focal power, and its object side surface S7 is convex, and its image side surface S8 is concave. The fifth lens E5 has negative focal power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative focal power, and its object side surface S11 is convex, and its image side surface S12 is concave. The seventh lens E7 has positive focal power, and its object side surface S13 is concave, and its image side surface S14 is convex. The eighth lens E8 has negative focal power, and its object side surface S15 is concave, and its image side surface S16 is convex. The ninth lens E9 has positive power, and its object side surface S17 is convex, and its image side surface S18 is convex. The tenth lens E10 has negative power, and its object side surface S19 is concave, and its image side surface S20 is convex. The filter E11 has an object side surface S21 and an image side surface S22. The light from the object passes through each surface S1 to S22 in sequence and is finally imaged on the imaging surface S23.

[0119] In this example, the total effective focal length f of the optical imaging lens is 5.28 mm, the total length TTL of the optical imaging lens is 7.64 mm, and half of the diagonal length ImgH of the effective pixel area on the imaging surface S23 of the optical imaging lens is 4.90 mm.

[0120] Table 7 shows the basic parameters of the optical imaging lens of Example 4, wherein the units of the radius of curvature, thickness / distance and focal length are all in millimeters (mm). Table 8 shows the high-order coefficients of each aspherical mirror surface that can be used in Example 4, wherein the surface type of each aspherical surface can be defined by the formula (1) given in the above Example 1.

[0121]

[0122] Table 7

[0123]

[0124]

[0125] Table 8

[0126] Fig. 8A The axial chromatic aberration curve of the optical imaging lens of Example 4 is shown, which indicates the deviation of light of different wavelengths from the focal point behind the lens. Figure 8B The astigmatism curve of the optical imaging lens of Example 4 is shown, which represents the meridional image curvature and the sagittal image curvature. Figure 8C The distortion curve of the optical imaging lens of Example 4 is shown, which indicates the distortion magnitude values ​​corresponding to different image heights. FIG. 8A to FIG. 8C It can be seen that the optical imaging lens provided in Example 4 can achieve good imaging quality.

[0127] Example 5

[0128] The following reference Figures 9 to 10C An optical imaging lens according to Embodiment 5 of the present application is described. Fig. 9 A schematic structural diagram of an optical imaging lens according to Embodiment 5 of the present application is shown.

[0129] like Fig. 9 As shown, the optical imaging lens includes, from the object side to the image side, 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 tenth lens E10, a filter E11 and an imaging surface S23.

[0130] The first lens E1 has positive focal power, and its object side surface S1 is convex, and its image side surface S2 is concave. The second lens E2 has negative focal power, and its object side surface S3 is convex, and its image side surface S4 is concave. The third lens E3 has positive focal power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has negative focal power, and its object side surface S7 is convex, and its image side surface S8 is concave. The fifth lens E5 has negative focal power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative focal power, and its object side surface S11 is convex, and its image side surface S12 is concave. The seventh lens E7 has positive focal power, and its object side surface S13 is concave, and its image side surface S14 is convex. The eighth lens E8 has negative focal power, and its object side surface S15 is concave, and its image side surface S16 is concave. The ninth lens E9 has positive power, and its object side surface S17 is convex, and its image side surface S18 is convex. The tenth lens E10 has negative power, and its object side surface S19 is concave, and its image side surface S20 is concave. The filter E11 has an object side surface S21 and an image side surface S22. The light from the object passes through each surface S1 to S22 in sequence and is finally imaged on the imaging surface S23.

[0131] In this example, the total effective focal length f of the optical imaging lens is 5.41 mm, the total length TTL of the optical imaging lens is 7.51 mm, and half of the diagonal length ImgH of the effective pixel area on the imaging surface S23 of the optical imaging lens is 4.61 mm.

[0132] Table 9 shows the basic parameters of the optical imaging lens of Example 5, wherein the units of the radius of curvature, thickness / distance and focal length are all in millimeters (mm). Table 10 shows the high-order coefficients of each aspherical mirror surface that can be used in Example 5, wherein the surface type of each aspherical surface can be defined by the formula (1) given in the above Example 1.

[0133]

[0134] Table 9

[0135]

[0136]

[0137] Table 10

[0138] Fig. 10A The axial chromatic aberration curve of the optical imaging lens of Example 5 is shown, which indicates the deviation of light of different wavelengths from the focal point behind the lens. Fig. 10B The astigmatism curve of the optical imaging lens of Example 5 is shown, which represents the meridional image curvature and the sagittal image curvature. Fig. 10C The distortion curve of the optical imaging lens of Example 5 is shown, which indicates the distortion magnitude values ​​corresponding to different image heights. FIG. 10A to FIG. 10C It can be seen that the optical imaging lens provided in Example 5 can achieve good imaging quality.

[0139] Example 6

[0140] The following reference Figures 11 to 12C An optical imaging lens according to Embodiment 6 of the present application is described. Fig.11 A schematic structural diagram of an optical imaging lens according to Example 6 of the present application is shown.

[0141] like Fig.11 As shown, the optical imaging lens includes, from the object side to the image side, 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 tenth lens E10, a filter E11 and an imaging surface S23.

[0142] The first lens E1 has positive focal power, and its object side surface S1 is convex, and its image side surface S2 is concave. The second lens E2 has negative focal power, and its object side surface S3 is convex, and its image side surface S4 is concave. The third lens E3 has positive focal power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive focal power, and its object side surface S7 is convex, and its image side surface S8 is concave. The fifth lens E5 has negative focal power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has positive focal power, and its object side surface S11 is convex, and its image side surface S12 is concave. The seventh lens E7 has positive focal power, and its object side surface S13 is concave, and its image side surface S14 is convex. The eighth lens E8 has negative focal power, and its object side surface S15 is concave, and its image side surface S16 is convex. The ninth lens E9 has positive power, and its object side surface S17 is convex, and its image side surface S18 is convex. The tenth lens E10 has negative power, and its object side surface S19 is concave, and its image side surface S20 is concave. The filter E11 has an object side surface S21 and an image side surface S22. The light from the object passes through each surface S1 to S22 in sequence and is finally imaged on the imaging surface S23.

[0143] In this example, the total effective focal length f of the optical imaging lens is 5.40 mm, the total length TTL of the optical imaging lens is 7.58 mm, and half of the diagonal length ImgH of the effective pixel area on the imaging surface S23 of the optical imaging lens is 4.75 mm.

[0144] Table 11 shows the basic parameters of the optical imaging lens of Example 6, wherein the units of the radius of curvature, thickness / distance and focal length are all in millimeters (mm). Table 12 shows the high-order coefficients of each aspherical mirror surface that can be used in Example 6, wherein the surface type of each aspherical surface can be defined by the formula (1) given in the above Example 1.

[0145]

[0146] Table 11

[0147] Face number A4 A6 A8 A10 A12 A14 A16 S1 -1.5781E-02 3.0146E-02 -2.4083E-02 9.6277E-03 -2.0295E-03 2.1609E-04 -9.1697E-06 S2 -3.1159E-02 2.1559E-02 -1.3103E-02 5.1669E-03 -1.2169E-03 1.5526E-04 -8.2522E-06 S3 3.1701E-02 2.6895E-03 -8.6344E-03 3.3597E-03 -5.5097E-04 3.5031E-05 -2.0590E-07 S4 6.2005E-02 -2.3378E-02 8.9925E-03 -4.3606E-03 1.4180E-03 -2.3985E-04 1.6214E-05 S5 -3.6954E-02 1.5987E-03 3.5394E-03 -2.8348E-03 1.0945E-03 -2.0590E-04 1.4782E-05 S6 -4.2170E-02 1.5140E-02 -1.2159E-02 6.5369E-03 -1.9410E-03 3.2780E-04 -2.3969E-05 S7 5.3545E-03 -3.3834E-03 1.5885E-03 -2.1002E-03 1.0362E-03 -2.1425E-04 1.6904E-05 S8 1.4274E-03 6.7676E-03 -7.1425E-03 3.1076E-03 -6.9694E-04 7.0278E-05 -9.1000E-07 S9 4.7753E-03 -1.7289E-02 4.2197E-03 -2.4646E-03 1.2940E-03 -2.8379E-04 2.3248E-05 S10 6.9684E-04 -1.3801E-02 5.2321E-03 -2.2259E-03 7.3779E-04 -1.1708E-04 7.2215E-06 S11 -4.6032E-02 1.1606E-03 9.0020E-03 -4.1551E-03 6.8299E-04 -2.4290E-05 -2.2776E-06 S12 -3.9605E-02 1.2871E-03 4.5575E-03 -1.7333E-03 2.0036E-04 2.5679E-06 -1.1403E-06 S13 -5.6215E-03 2.8943E-03 -4.7018E-05 -1.0046E-04 1.8297E-05 -1.3283E-06 3.5314E-08 S14 1.9173E-03 2.2800E-03 -3.8096E-04 3.6634E-05 2.4265E-07 -3.5396E-07 1.8975E-08 S15 1.9457E-02 -1.0419E-02 3.3074E-03 -6.3197E-04 6.7481E-05 -3.7402E-06 8.4706E-08 S16 -1.7541E-02 -3.9873E-03 2.5299E-03 -4.7645E-04 4.4494E-05 -2.0944E-06 3.9589E-08 S17 -2.1799E-02 2.9916E-03 -2.9974E-04 2.1922E-05 -1.0616E-06 2.9876E-08 -3.6640E-10 S18 1.4755E-02 -2.8230E-03 3.2921E-04 -2.4718E-05 1.1264E-06 -2.7718E-08 2.8071E-10 S19 1.1774E-02 -2.7530E-04 6.4632E-05 -1.7672E-05 1.7314E-06 -7.4739E-08 1.2044E-09 S20 -7.3739E-04 -7.8574E-05 7.9902E-06 -5.5039E-07 1.8245E-08 -2.5496E-10 1.0873E-12

[0148] Table 12

[0149] Fig. 12A The axial chromatic aberration curve of the optical imaging lens of Example 6 is shown, which indicates the deviation of light of different wavelengths from the focal point behind the lens. Fig. 12B The astigmatism curve of the optical imaging lens of Example 6 is shown, which represents the meridional image curvature and the sagittal image curvature. Fig. 12C The distortion curve of the optical imaging lens of Example 6 is shown, which indicates the distortion magnitude values ​​corresponding to different image heights. FIG. 12A to FIG. 12C It can be seen that the optical imaging lens provided in Example 6 can achieve good imaging quality.

[0150] In summary, Examples 1 to 6 respectively satisfy the relationships shown in Table 13.

[0151] Conditional / Example 1 2 3 4 5 6 f / EPD 1.30 1.47 1.32 1.28 1.30 1.30 f1 / f3×10 0.75 0.84 2.76 0.98 3.63 1.00 f7 / (R14-R13) 0.81 0.75 1.33 0.56 1.28 3.23 f9 / R17 1.27 1.31 1.34 1.27 1.31 1.21 f8 / f10 2.84 2.91 5.20 4.69 4.85 4.93 f×tan(FOV / 2)(mm) 4.90 5.56 4.94 4.76 4.87 4.86 CT9 / CT7 1.61 1.48 1.48 1.36 1.47 1.27 T910 / T45 2.14 2.58 2.38 2.02 2.24 2.01 f12 / f 2.36 2.33 2.28 2.41 2.27 2.32 f1234 / (CT1+CT2+CT3+CT4) 5.86 5.69 6.49 6.09 6.03 5.96 f78 / f56 -1.24 -1.33 -0.74 -0.90 -0.73 -0.36 SAG31 / SAG41 1.32 1.38 1.38 1.33 1.40 1.34

[0152] Table 13

[0153] The present application also provides an imaging device, whose electronic photosensitive element can be a photosensitive coupled device (CCD) or a complementary metal oxide semiconductor element (CMOS). The imaging device can be an independent imaging device such as a digital camera, or an imaging module integrated in a mobile electronic device such as a mobile phone. The imaging device is equipped with the optical imaging lens described above.

[0154] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. An optical imaging lens, characterized in that: The optical axis includes, from the object side to the image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens having optical power; The first lens has positive refractive power, its object side surface is convex, and its image side surface is concave; The second lens has negative optical power, and its image side surface is concave; The third lens has positive refractive power, its object side surface is convex, and its image side surface is concave; The object side surface of the fourth lens is convex, and the image side surface is concave; The object side surface of the fifth lens is a convex surface; The object side surface of the sixth lens is convex, and the image side surface is concave; The seventh lens has positive refractive power, its object side surface is concave, and its image side surface is convex; The eighth lens has negative optical power, and its object side surface is concave; The ninth lens has positive refractive power, and its object side surface is convex, and its image side surface is convex; The tenth lens has negative optical power, and its object side surface is concave; The optical power arrangement of the fourth lens, the fifth lens and the sixth lens is any one of positive-positive-negative, negative-positive-negative, positive-negative-negative, negative-negative-negative, and positive-negative-positive; The number of lenses having optical power in the optical imaging lens is ten; and The total effective focal length f of the optical imaging lens and the maximum field of view FOV of the optical imaging lens satisfy: 4.76mm≤f×tan(FOV / 2)≤5.56mm.

2. The optical imaging lens according to claim 1, wherein: The effective focal length f1 of the first lens and the effective focal length f3 of the third lens satisfy: 0.75≤f1 / f3×10≤3.

63.

3. The optical imaging lens according to claim 1, wherein: An effective focal length f7 of the seventh lens, a curvature radius R13 of the object-side surface of the seventh lens, and a curvature radius R14 of the image-side surface of the seventh lens satisfy: 0.56≤f7 / (R14-R13)≤3.

23.

4. The optical imaging lens according to claim 1, wherein: An effective focal length f9 of the ninth lens and a curvature radius R17 of the object side surface of the ninth lens satisfy: 1.21≤f9 / R17≤1.

34.

5. The optical imaging lens according to claim 1, wherein: The effective focal length f8 of the eighth lens and the effective focal length f10 of the tenth lens satisfy: 2.8<f8 / f10≤5.

20.

6. The optical imaging lens according to claim 1, wherein: A center thickness CT9 of the ninth lens on the optical axis and a center thickness CT7 of the seventh lens on the optical axis satisfy: 1.27≤CT9 / CT7≤1.

61.

7. The optical imaging lens according to claim 1, wherein: A distance T910 between the ninth lens and the tenth lens on the optical axis and a distance T45 between the fourth lens and the fifth lens on the optical axis satisfy the following: 2.0<T910 / T45<2.

6.

8. The optical imaging lens according to claim 1, wherein: The combined focal length f12 of the first lens and the second lens and the total effective focal length f of the optical imaging lens satisfy the following: 2.27≤f12 / f≤2.

41.

9. The optical imaging lens according to claim 1, wherein: The combined focal length f1234 of the first lens, the second lens, the third lens and the fourth lens, the center thickness CT1 of the first lens on the optical axis, the center thickness CT2 of the second lens on the optical axis, the center thickness CT3 of the third lens on the optical axis and the center thickness CT4 of the fourth lens on the optical axis satisfy: 5.69≤f1234 / (CT1+CT2+CT3+CT4)≤6.

49.

10. The optical imaging lens according to claim 1, wherein: A combined focal length f78 of the seventh lens and the eighth lens and a combined focal length f56 of the fifth lens and the sixth lens satisfy: -1.33≤f78 / f56≤-0.

36.

11. The optical imaging lens according to claim 1, wherein: A distance SAG31 from the intersection of the object side surface of the third lens and the optical axis to the vertex of the effective radius of the object side surface of the third lens on the optical axis and a distance SAG41 from the intersection of the object side surface of the fourth lens and the optical axis to the vertex of the effective radius of the object side surface of the fourth lens on the optical axis satisfy: 1.32≤SAG31 / SAG41≤1.

40.

12. The optical imaging lens according to any one of claims 1 to 11, characterized in that: The total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy: 1.28≤f / EPD<1.

5.

13. The optical imaging lens according to any one of claims 1 to 11, characterized in that: Any two adjacent lenses from the first lens to the tenth lens have a spacing distance on the optical axis.

Images