Optical imaging lens

Abstract

The application discloses an optical imaging lens which comprises, in sequence from the object side to the image side along the optical axis, a first lens with negative refractive power, a second lens with negative refractive power, a third lens with negative refractive power, a fourth lens with positive refractive power, a fifth lens with negative refractive power, a sixth lens with positive refractive power, a seventh lens with positive or negative refractive power, an eighth lens with positive or negative refractive power, a ninth lens with positive or negative refractive power, a tenth lens with positive refractive power, and an eleventh lens with positive or negative refractive power; wherein the seventh lens and the eighth lens have opposite positive or negative refractive power.

Description

Technical Field

[0001] This application relates to the field of optical components, and more specifically, to an optical imaging lens. Background Technology

[0002] With the development of optical imaging lenses, the demand for lenses is constantly increasing in fields such as panoramic monitoring, drones, action cameras and automotive lenses. At the same time, people are putting forward higher requirements for optical imaging lenses.

[0003] However, existing optical imaging lenses still have the following problems: 1) The field of view of optical imaging lenses is small, and the target range that can be acquired is small; 2) The overall length is long, resulting in poor adaptability; 3) It is impossible to achieve high resolution while taking into account the effect of large target area; 4) In order to ensure good thermal stability, existing optical imaging lenses use too many materials with stable coefficient of thermal expansion or too many lenses, resulting in excessive cost and poor market competitiveness. Summary of the Invention

[0004] This application provides an optical imaging lens, which includes, in sequence along the optical axis from the object side to the image side: a first lens with negative optical power, a second lens with negative optical power, a third lens with negative optical power, a fourth lens with positive optical power, a fifth lens with negative optical power, a sixth lens with positive optical power, a seventh lens with either positive or negative optical power, an eighth lens with either positive or negative optical power, a ninth lens with either positive or negative optical power, a tenth lens with positive optical power, and an eleventh lens with either positive or negative optical power; wherein the seventh lens and the eighth lens have opposite positive and negative optical power attributes.

[0005] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -5.5≤f2 / f≤-1.3, where f2 is the effective focal length of the second lens and f is the total effective focal length of the optical imaging lens.

[0006] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -9.8≤f3 / f≤-1.0, where f3 is the effective focal length of the third lens and f is the total effective focal length of the optical imaging lens.

[0007] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 0.6≤f4 / f≤1.2, where f4 is the effective focal length of the fourth lens and f is the total effective focal length of the optical imaging lens.

[0008] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -4.3≤f5 / f≤-1.9, where f5 is the effective focal length of the fifth lens and f is the total effective focal length of the optical imaging lens.

[0009] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -3≤f5 / f6≤-1, where f5 is the effective focal length of the fifth lens and f6 is the effective focal length of the sixth lens.

[0010] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -2.0≤f7 / f8≤-1.0, where f7 is the effective focal length of the seventh lens and f8 is the effective focal length of the eighth lens.

[0011] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -0.4≤f10 / f11≤5.5, where f10 is the effective focal length of the tenth lens and f11 is the effective focal length of the eleventh lens.

[0012] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -1.0≤f12 / f≤-0.4, where 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.

[0013] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 0.9≤f34 / f≤1.9, where f34 is the combined focal length of the third lens and the fourth lens, and f is the total effective focal length of the optical imaging lens.

[0014] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -2.3≤f345 / fa≤-0.5, where f345 is the combined focal length of the third lens, the fourth lens and the fifth lens, and fa is the combined focal length of the first lens to the fifth lens.

[0015] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 0.6≤f6 / fb≤1.0, where f6 is the effective focal length of the sixth lens and fb is the combined focal length of the sixth to eleventh lenses.

[0016] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 0.5≤|R112 / f11|≤8.9, where R112 is the radius of curvature of the image-side surface of the eleventh lens, and f11 is the effective focal length of the eleventh lens.

[0017] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -2.7≤fa / f≤-0.9, where fa is the combined focal length of the first to fifth lenses, and f is the total effective focal length of the optical imaging lens.

[0018] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 1.6≤fb / f≤2.1, where fb is the combined focal length of the sixth to eleventh lenses, and f is the total effective focal length of the optical imaging lens.

[0019] According to an exemplary embodiment of this application, the optical imaging lens satisfies: -1.5≤fa / fb≤-0.5, where fa is the combined focal length of the first to fifth lenses, and fb is the combined focal length of the sixth to eleventh lenses.

[0020] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 0.5° / mm 2 ≤FOV / H / D≤0.8° / mm 2 Where FOV is the maximum field of view of the optical imaging lens, H is the image height corresponding to the maximum field of view of the optical imaging lens, and D is the maximum aperture of the optical imaging lens.

[0021] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 9.2mm≤TTL×f / H≤10.1mm, where TTL is the on-axis distance from the object side of the first lens to the imaging surface of the optical imaging lens, f is the total effective focal length of the optical imaging lens, and H is the image height corresponding to the maximum field of view of the optical imaging lens.

[0022] According to an exemplary embodiment of this application, the optical imaging lens satisfies: 0.3≤BFL / f≤0.8, where BFL is the distance on the optical axis from the image side of the eleventh lens to the imaging surface of the optical lens, and f is the total effective focal length of the optical imaging lens.

[0023] According to an exemplary embodiment of this application, the optical imaging lens satisfies at least one of the following: 5.8≤|Vd3-Vd4|≤7.6; 32.8≤|Vd7-Vd8|≤50.5; wherein, Vd3 is the Abbe number of the third lens, Vd4 is the Abbe number of the fourth lens, Vd7 is the Abbe number of the seventh lens, and Vd8 is the Abbe number of the eighth lens.

[0024] According to an exemplary embodiment of this application, the optical imaging lens satisfies at least one of the following: -5.4 ≤ f2 / f ≤ -1.4; -0.95 ≤ f12 / f ≤ -0.45; -3.26 ≤ f3 / f ≤ -1.1; 0.7 ≤ f4 / f ≤ 0.9; 1.0 ≤ f34 / f ≤ 1.8; -4.25 ≤ f5 / f ≤ -2; -2.2 ≤ f345 / fa ≤ -0.5 5;-2.9≤f5 / f6≤-1.2;0.7≤f6 / fb≤0.9;-2.0≤f7 / f8≤-1.1;-0.3≤f10 / f11≤5.3;0.5 5≤|R112 / f11|≤8.8; -2.55≤fa / f≤-1; 1.7≤fb / f≤2.0; -1.4≤fa / fb≤-0.55; 0.6° / mm 2 ≤FOV / H / D≤0.7° / mm 2; 9.25mm≤TTL×f / H≤10mm; 0.4≤BFL / f≤0.6; 5.9≤|Vd3-Vd4|≤7.5; 32.9≤|Vd7-Vd8|≤50.4; Where f is the total effective focal length of the optical imaging lens, f2 is the effective focal length of the second lens, f12 is the combined focal length of the first and second lenses, f3 is the effective focal length of the third lens, f4 is the effective focal length of the fourth lens, f34 is the combined focal length of the third and fourth lenses, f5 is the effective focal length of the fifth lens, f345 is the combined focal length of the third, fourth, and fifth lenses, fa is the combined focal length of the first to fifth lenses, f6 is the effective focal length of the sixth lens, and f7 is the effective focal length of the seventh lens. Focal length, f8 is the effective focal length of the eighth lens, f10 is the effective focal length of the tenth lens, f11 is the effective focal length of the eleventh lens, fb is the combined focal length of the sixth to eleventh lenses, R112 is the radius of curvature of the image side of the eleventh lens, FOV is the maximum field of view of the optical imaging lens, H is the image height corresponding to the maximum field of view of the optical imaging lens, D is the maximum aperture of the optical imaging lens, TTL is the axial distance from the object side of the first lens to the imaging plane of the optical imaging lens, BFL is the distance on the optical axis from the image side of the eleventh lens to the imaging plane of the optical lens, Vd3 is the Abbe number of the third lens, Vd4 is the Abbe number of the fourth lens, Vd7 is the Abbe number of the seventh lens, and Vd8 is the Abbe number of the eighth lens.

[0025] According to an exemplary embodiment of this application, the object-side surface of the first lens is convex and the image-side surface is concave; the object-side surface of the fourth lens is convex and the image-side surface is convex; the object-side surface of the sixth lens is convex and the image-side surface is convex.

[0026] According to an exemplary embodiment of this application, the image-side surface of the second lens is concave; the object-side surface of the third lens is convex and the image-side surface is concave; the object-side surface of the fifth lens is concave and the image-side surface is convex; the image-side surface of the ninth lens is concave; and the image-side surface of the tenth lens is convex.

[0027] The optical imaging lens of this application, by reasonably setting the number of lenses and optical power, enables the optical imaging lens provided by this application to have at least one of the following beneficial effects: large field of view, short total length, high resolution, and large target surface. Attached Figure Description

[0028] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0029] Figure 1 This is a schematic diagram of the structure of an optical imaging lens according to Embodiment 1 of this application;

[0030] Figure 2This is a schematic diagram of the structure of an optical imaging lens according to Embodiment 2 of this application;

[0031] Figure 3 This is a schematic diagram of the structure of the optical imaging lens according to Embodiment 3 of this application;

[0032] Figure 4 This is a schematic diagram of the structure of the optical imaging lens according to Embodiment 4 of this application;

[0033] Figure 5 This is a schematic diagram of the structure of an optical imaging lens according to Embodiment 5 of this application. Detailed Implementation

[0034] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this 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.

[0035] It should be noted that in this specification, the terms "first," "second," "third," etc., are used only to distinguish one feature from another and do not imply any limitation on the features. Therefore, without departing from the teachings of this application, the first lens discussed below may also be referred to as the second lens or the third lens.

[0036] In the accompanying drawings, the thickness, size, and shape of the lenses have been slightly exaggerated for ease of illustration. Specifically, the shapes of the spherical or aspherical surfaces shown in the drawings are illustrated by way of example. That is, the shapes of the spherical or aspherical surfaces are not limited to those shown in the drawings. The drawings are for illustrative purposes only and are not strictly to scale.

[0037] In this article, the paraxial region refers to the region near the optical axis. If the lens surface is convex and the location of the convexity 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 location of the concaveness 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 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.

[0038] It should also be understood that the terms "comprising," "having," "including," etc., 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. Furthermore, when a statement such as "at least one of..." appears after a list of listed features, it modifies the entire list of features, not individual elements in the list. Additionally, when describing embodiments of this application, the word "may" is used to indicate "one or more embodiments of this application." And the term "exemplary" is intended to refer to an example or illustration.

[0039] Unless otherwise specified, all terms used herein (including technical and scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms (e.g., those defined in common dictionaries) shall be interpreted as having the meaning consistent with their meaning in the context of the relevant art and shall not be interpreted in an idealized or overly formalized sense, unless expressly so specified herein.

[0040] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0041] An optical imaging lens according to an exemplary embodiment of this application may include eleven lenses with optical power sequentially from the object side to the image side along the optical axis, 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, a tenth lens, and an eleventh lens.

[0042] In an exemplary embodiment, the first lens of the optical imaging lens has negative optical power. The object-side surface of the first lens is convex, and the image-side surface is concave. This arrangement can effectively converge light rays with a large field of view, reduce the incident angle of light on the object-side surface of the second lens, effectively avoid subsequent optical lenses from generating advanced aberrations due to excessive incident angles, and improve the resolving power of the lens.

[0043] In an exemplary embodiment, the second lens of the optical imaging lens has negative optical power. The object-side surface of the second lens is convex or concave, and the image-side surface is concave. This arrangement facilitates control over the direction of light, allowing for a smooth transition of light rays.

[0044] In an exemplary embodiment, the second lens of the optical imaging lens is an aspherical lens. Using an aspherical lens is beneficial for better correcting aberrations across the entire field of view and improving the lens's resolving power.

[0045] In an exemplary embodiment, the third lens of the optical imaging lens has negative optical power. The object-side surface of the third lens is convex, and the image-side surface is concave. The third lens of the optical imaging lens cooperates with the fourth lens, which has positive optical power, to smoothly transmit light to the optical system behind the lens. This facilitates better correction of spherical aberration, improves the lens's resolving power, and reduces the lens's tolerance sensitivity.

[0046] In an exemplary embodiment, the fourth lens of the optical imaging lens has positive optical power. The object-side surface of the fourth lens is convex, and the image-side surface is also convex. The fourth lens of the optical imaging lens, in conjunction with the third lens having negative optical power, helps to better correct the spherical aberration of the lens. Simultaneously, in conjunction with the fifth lens behind it, it can effectively correct axial chromatic aberration and also effectively reduce the tolerance sensitivity of the lens, improving the lens's production yield.

[0047] In an exemplary embodiment, the third lens and the fourth lens form a cemented doublet lens.

[0048] In an exemplary embodiment, the fifth lens of the optical imaging lens has negative optical power. The object-side surface of the fifth lens is concave, and the image-side surface is convex. The fifth lens is an aspherical lens. The fifth lens, in conjunction with the fourth lens which has positive optical power, helps to better correct spherical aberration of the lens. Simultaneously, in conjunction with the sixth lens which has positive optical power and a convex object-side surface, it can effectively correct axial chromatic aberration and control the light path before and after the aperture stop, resulting in a smooth transition of light.

[0049] In an exemplary embodiment, the sixth lens of the optical imaging lens has positive optical power. The object-side surface of the sixth lens is convex, and the image-side surface is also convex. The sixth lens can be made of a material with stable thermal expansion, which helps to achieve thermal compensation of the lens. At the same time, it cooperates with the fifth lens in front to help correct residual astigmatism and on-axis chromatic aberration of the front optical system.

[0050] In an exemplary embodiment, the seventh lens of the optical imaging lens has either positive or negative optical power. When the object-side surface of the seventh lens is convex, the image-side surface is either convex or concave; when the object-side surface of the seventh lens is concave, the image-side surface is concave. Exemplarily, the seventh lens may be made of a material with a low refractive index and a high Abbe number. This configuration effectively corrects transverse chromatic aberration of the lens and improves the image quality of the lens.

[0051] In an exemplary embodiment, the eighth lens of the optical imaging lens has positive or negative optical power. The object-side surface of the eighth lens is convex, and the image-side surface is convex; or, the object-side surface of the eighth lens is concave, and the image-side surface is concave.

[0052] In an exemplary embodiment, the seventh lens and the eighth lens form a cemented doublet with matched positive and negative optical powers; that is, when the seventh lens has positive optical power, the eighth lens has negative optical power; or, when the seventh lens has negative optical power, the eighth lens has positive optical power. This arrangement facilitates smooth light transmission, reduces lens tolerance sensitivity, effectively improves lens production yield, and also effectively corrects transverse chromatic aberration, thereby improving image quality.

[0053] In an exemplary embodiment, the ninth lens of the optical imaging lens has either positive or negative optical power. The object-side surface of the ninth lens is either convex or concave, while the image-side surface is concave. This arrangement effectively controls the light path, narrows the principal ray angle, and shares the optical power of subsequent tenth and eleventh lenses, resulting in a smooth light transition.

[0054] In an exemplary embodiment, the tenth lens of the optical imaging lens has positive optical power. The object-side surface of the tenth lens is convex or concave, and the image-side surface is convex. The tenth lens may be an aspherical lens. This arrangement can effectively correct spherical aberration of the rear optical system, and in conjunction with the rear eleventh lens, can effectively correct axial chromatic aberration, thereby improving the image quality of the lens.

[0055] In an exemplary embodiment, the eleventh lens of the optical imaging lens has a positive or negative optical power. When the object-side surface of the eleventh lens is convex, the image-side surface is either convex or concave; or, when the object-side surface of the eleventh lens is concave, the image-side surface is convex. By reasonably setting the optical power and lens shape of the eleventh lens, the light path can be effectively controlled, the exit angle of the light passing through the eleventh lens can be effectively reduced, and the principal ray angle can be decreased to better match the chip and the chip's CRA (Chief Ray Angle) curve requirements. At the same time, the eleventh lens is an aspherical lens, which can effectively correct the residual aberrations of the lens and improve the lens's resolving power.

[0056] In an exemplary embodiment, the optical imaging lens satisfies: -5.5 ≤ f² / f ≤ -1.3, where f² is the effective focal length of the second lens and f is the total effective focal length of the optical imaging lens. By reasonably controlling the effective focal length of the second lens, light rays with a large field of view can be effectively collected, reducing the incident angle of light on the object side of the second lens. This effectively avoids higher-order aberrations in the rear optical system due to excessive incident angles, thereby improving the lens's resolving power. For example, the optical imaging lens may also satisfy: -5.4 ≤ f² / f ≤ -1.4, which is even more conducive to improving the lens's resolving power.

[0057] In an exemplary embodiment, the optical imaging lens satisfies: -9.8 ≤ f3 / f ≤ -1.0, where f3 is the effective focal length of the third lens and f is the total effective focal length of the optical imaging lens. By rationally configuring the effective focal length of the third lens, the direction of light can be effectively controlled, allowing the light to diverge, which is beneficial for maximizing the entry of large-angle light rays into the rear optical system and improving the relative illumination of the lens. Exemplarily, the optical imaging lens may also satisfy: -3.26 ≤ f3 / f ≤ -1.1, which further enhances the relative illumination of the lens.

[0058] In an exemplary embodiment, the optical imaging lens satisfies: 0.6 ≤ f4 / f ≤ 1.2, where f4 is the effective focal length of the fourth lens and f is the total effective focal length of the optical imaging lens. By rationally configuring the effective focal length of the fourth lens, it is beneficial to correct spherical aberration and improve the lens's resolving power. Exemplarily, the optical imaging lens may also satisfy: 0.7 ≤ f4 / f ≤ 0.9, which further enhances the lens's resolving power.

[0059] In an exemplary embodiment, the optical imaging lens satisfies: -4.3 ≤ f5 / f ≤ -1.9, where f5 is the effective focal length of the fifth lens and f is the total effective focal length of the optical imaging lens. By rationally configuring the effective focal length of the fifth lens, it is beneficial to correct spherical aberration and on-axis chromatic aberration of the lens, thereby improving the lens's resolving power. For example, the optical imaging lens may also satisfy: -4.25 ≤ f5 / f ≤ -2, which further enhances the lens's resolving power.

[0060] In an exemplary embodiment, the optical imaging lens satisfies: -3 ≤ f5 / f6 ≤ -1, where f5 is the effective focal length of the fifth lens and f6 is the effective focal length of the sixth lens. By rationally allocating the effective focal lengths of the fifth and sixth lenses, spherical aberration and on-axis chromatic aberration of the lens can be effectively corrected, improving the lens's resolving power; it can also better achieve the characteristic of eliminating temperature drift, which helps to realize the lens's thermal compensation, thereby giving the lens good temperature performance. For example, the optical imaging lens may also satisfy: -2.9 ≤ f5 / f6 ≤ -1.2, which is even more conducive to giving the lens good temperature performance.

[0061] In an exemplary embodiment, the optical imaging lens satisfies: -2.0 ≤ f7 / f8 ≤ -1.0, where f7 is the effective focal length of the seventh lens and f8 is the effective focal length of the eighth lens. By rationally configuring the effective focal lengths of the seventh and eighth lenses and using a combination of positive and negative optical powers, it is beneficial to balance the astigmatism generated by the rear optical system and improve the lens's resolving power. Exemplarily, the optical imaging lens may also satisfy: -2.0 ≤ f7 / f8 ≤ -1.1, which further enhances the lens's resolving power.

[0062] In an exemplary embodiment, the optical imaging lens satisfies: -0.4 ≤ f10 / f11 ≤ 5.5, where f10 is the effective focal length of the tenth lens and f11 is the effective focal length of the eleventh lens. By rationally configuring the effective focal lengths of the tenth and eleventh lenses, the light path can be effectively controlled, which is beneficial for achieving a longer focal length. Exemplarily, the optical imaging lens may also satisfy: -0.3 ≤ f10 / f11 ≤ 5.3, which is even more conducive to achieving a longer focal length.

[0063] In an exemplary embodiment, the optical imaging lens satisfies: -1.0 ≤ f12 / f ≤ -0.4, where f12 is the combined focal length of the first and second lenses, and f is the total effective focal length of the optical imaging lens. By rationally configuring the combined focal length of the first and second lenses, it is beneficial for large-angle incident light rays to enter the optical system, effectively expanding the lens's field of view (FOV) to ≥ 164°. Simultaneously, it effectively avoids aberrations and improves the lens's relative illumination. For example, the optical imaging lens may also satisfy: -0.95 ≤ f12 / f ≤ -0.45, which further enhances the lens's relative illumination.

[0064] In an exemplary embodiment, the optical imaging lens satisfies: 0.9 ≤ f34 / f ≤ 1.9, where f34 is the combined focal length of the third and fourth lenses, and f is the total effective focal length of the optical imaging lens. By rationally configuring the combined focal length of the third and fourth lenses, it is beneficial to control the direction of light, allowing the light to smoothly incident on the object-side surface of the fifth lens. This helps reduce the lens's tolerance sensitivity and also facilitates better correction of aberrations in the central field of view, thereby improving the lens's resolving power. Exemplarily, the optical imaging lens may also satisfy: 1.0 ≤ f34 / f ≤ 1.8, which further reduces the lens's tolerance sensitivity and improves its resolving power.

[0065] In an exemplary embodiment, the optical imaging lens satisfies: -2.3 ≤ f345 / fa ≤ -0.5, where f345 is the combined focal length of the third, fourth, and fifth lenses, and fa is the combined focal length of the first to fifth lenses. By reasonably controlling the combined focal lengths of the third, fourth, and fifth lenses and the combined focal lengths of the first to fifth lenses, the direction of light can be effectively controlled, which is beneficial for better correction of spherical aberration and on-axis chromatic aberration of the lens; it also allows for a smooth transition of light, thereby effectively reducing the tolerance sensitivity of the lens and improving the production yield of the lens. For example, the optical imaging lens may also satisfy: -2.2 ≤ f345 / fa ≤ -0.55, which is even more beneficial for reducing the tolerance sensitivity of the lens.

[0066] In an exemplary embodiment, the optical imaging lens satisfies: 0.6 ≤ f6 / fb ≤ 1.0, where f6 is the effective focal length of the sixth lens, and fb is the combined focal length of the sixth to eleventh lenses. By rationally configuring the effective focal length of the sixth lens and the combined focal length of the sixth to eleventh lenses, it is beneficial to ensure smooth light transmission, reduce the lens's tolerance sensitivity, and improve the lens's production yield. For example, the optical imaging lens may also satisfy: 0.7 ≤ f6 / fb ≤ 0.9, which is even more beneficial for reducing the lens's tolerance sensitivity.

[0067] In an exemplary embodiment, the optical imaging lens satisfies: 0.5 ≤ |R112 / f11| ≤ 8.9, where R112 is the radius of curvature of the image-side surface of the eleventh lens, and f11 is the effective focal length of the eleventh lens. By reasonably controlling the radius of curvature of the image-side surface of the eleventh lens and the effective focal length of the eleventh lens, the exit angle of light passing through the eleventh lens can be effectively reduced, thereby decreasing the angle of the principal ray. This allows for better matching with the chip and the chip's CRA curve requirements, improving the lens's tolerance and manufacturability, and enhancing its resolving power. Exemplarily, the optical imaging lens may also satisfy: 0.55 ≤ |R112 / f11| ≤ 8.8, which is even more conducive to improving the lens's resolving power.

[0068] In an exemplary embodiment, the optical imaging lens satisfies: -2.7 ≤ fa / f ≤ -0.9, where fa is the combined focal length of the first to fifth lenses, and f is the total effective focal length of the optical imaging lens. By reasonably controlling the combined focal length of the first to fifth lenses, the principal plane of the overall optical system can be brought closer to the imaging plane, achieving a telephoto effect. This effectively increases the back focal length of the lens, which is beneficial for the assembly of the lens module. Furthermore, lengthening the back focal length helps reduce the energy of ghost images generated by central reflections from the lens elements and color filters, improving the image quality and resolving power of the lens. For example, the optical imaging lens may also satisfy: -2.55 ≤ fa / f ≤ -1, which further enhances the lens's resolving power.

[0069] In an exemplary embodiment, the optical imaging lens satisfies: 1.6 ≤ fb / f ≤ 2.1, where fb is the combined focal length of the sixth to eleventh lenses, and f is the total effective focal length of the optical imaging lens. By reasonably controlling the combined focal length of the sixth to eleventh lenses, a longer focal length can be achieved. For example, the optical imaging lens may also satisfy: 1.7 ≤ fb / f ≤ 2.0, which is even more conducive to achieving a longer focal length.

[0070] In an exemplary embodiment, the optical imaging lens satisfies: -1.5 ≤ fa / fb ≤ -0.5, where fa is the combined focal length of the first to fifth lenses, and fb is the combined focal length of the sixth to eleventh lenses. By rationally allocating the combined focal lengths of the first to fifth lenses and the sixth to eleventh lenses, it is beneficial to control the overall light path of the optical system, making the light transition smoother, reducing the lens's tolerance sensitivity, and improving the lens's image quality. For example, the optical imaging lens may also satisfy: -1.4 ≤ fa / fb ≤ -0.55, which is even more beneficial for reducing the lens's tolerance sensitivity.

[0071] In an exemplary embodiment, the optical imaging lens satisfies: 0.5° / mm 2 ≤FOV / H / D≤0.8° / mm 2 Where FOV is the maximum field of view of the optical imaging lens, H is the image height corresponding to the maximum field of view of the optical imaging lens, and D is the maximum aperture of the optical imaging lens. By controlling the ratio of the field of view, image height, and maximum aperture, the viewpoint position can be effectively controlled, ensuring that the aperture meets design requirements. It also allows the lens to have a reasonable field of view when used with different sensors. For example, the optical imaging lens can also meet the following requirement: 0.6° / mm. 2 ≤FOV / H / D≤0.7° / mm 2 This is more conducive to ensuring that the aperture meets the design requirements, and that the lens has a reasonable field of view when corresponding to different sensors.

[0072] In an exemplary embodiment, the optical imaging lens satisfies the following condition: 9.2mm ≤ TTL × f / H ≤ 10.1mm, where TTL is the on-axis distance from the object-side surface of the first lens to the imaging plane of the optical imaging lens, f is the total effective focal length of the optical imaging lens, and H is the image height corresponding to the maximum field of view of the optical imaging lens. Controlling these conditions makes the overall lens structure more compact and facilitates miniaturization. For example, the optical imaging lens may also satisfy the condition: 9.25mm ≤ TTL × f / H ≤ 10mm, which further facilitates lens miniaturization.

[0073] In an exemplary embodiment, the optical imaging lens satisfies: 0.3 ≤ BFL / f ≤ 0.8, where BFL is the distance along the optical axis from the image-side surface of the eleventh lens to the imaging plane of the optical lens, and f is the total effective focal length of the optical imaging lens. By making the lens's back focal length longer while achieving miniaturization, it helps to reserve space for the installation of optical components, facilitates lens assembly, avoids interference, and improves the lens assembly yield. Exemplarily, the optical imaging lens may also satisfy: 0.4 ≤ BFL / f ≤ 0.6, which further improves the lens assembly yield.

[0074] In an exemplary embodiment, the optical imaging lens satisfies at least one of the following: 5.8 ≤ |Vd3-Vd4| ≤ 7.6; 32.8 ≤ |Vd7-Vd8| ≤ 50.5; where Vd3 is the Abbe number of the third lens, Vd4 is the Abbe number of the fourth lens, Vd7 is the Abbe number of the seventh lens, and Vd8 is the Abbe number of the eighth lens. By rationally selecting the lens materials of the third, fourth, seventh, and eighth lenses, the transverse chromatic aberration of the lens can be effectively corrected, avoiding the generation of purple fringing and improving the image quality of the lens; at the same time, it can also suppress the shift of the lens back focus caused by temperature changes, thereby improving the stability of the lens and contributing to the improvement of the image quality of the lens. Exemplarily, the third, fourth, seventh, and eighth lenses are made of glass. Exemplarily, the optical imaging lens may also satisfy at least one of the following: 5.9 ≤ |Vd3-Vd4| ≤ 7.5; 32.9 ≤ |Vd7-Vd8| ≤ 50.4, which is more conducive to correcting the transverse chromatic aberration of the lens.

[0075] In an exemplary embodiment, the distance TTL between the object side of the first lens and the imaging surface of the optical imaging lens in the optical imaging lens of this application on the optical axis can satisfy: TTL≤31.48mm, which can realize the miniaturization of the lens.

[0076] In an exemplary embodiment, the image height H corresponding to the maximum field of view of the optical imaging lens of this application can satisfy: 15mm ≤ H ≤ 18mm. Further, H can satisfy: 16.3mm ≤ H ≤ 16.55mm. This allows for a large target surface of the lens.

[0077] In an exemplary embodiment, the aperture number Fno of the optical imaging lens of this application satisfies: Fno≤2.82. Further, Fno may satisfy: 2.80≤Fno≤2.82.

[0078] In an exemplary embodiment, the maximum field of view (FOV) of the optical imaging lens of this application is ≥164°.

[0079] In an exemplary embodiment, this application utilizes a combination of spherical and aspherical lenses, which helps reduce the processing difficulty of the lenses; simultaneously, through material selection, a heat-free design can be achieved. This application does not specifically limit the number of spherical and aspherical lenses. When image quality is the primary focus, the number of aspherical lenses can be increased, or even all lenses can be aspherical. The characteristic of an aspherical lens is that its curvature changes continuously from the center to the periphery. Unlike spherical lenses, which have a constant curvature from the center to the periphery, aspherical lenses have better curvature radius characteristics, offering advantages in improving distortion aberrations and astigmatism. By using aspherical lenses, aberrations occurring during imaging can be eliminated as much as possible, thereby improving the lens's resolving power and image quality. For example, the second, fifth, tenth, and eleventh lenses can be aspherical lenses; or, the second, fifth, ninth, tenth, and eleventh lenses can be aspherical lenses.

[0080] The optical imaging lens of this application can adopt an all-glass lens structure. Using glass can suppress the shift of the back focus of the optical imaging lens due to temperature changes, thereby improving system stability. Simultaneously, using glass avoids image blurring caused by high and low temperature changes in the operating environment, ensuring normal lens use, facilitating heat-free lens operation, and also better correcting system chromatic aberration, thus improving lens resolution. The all-glass optical imaging lens of this application has a wide temperature range, maintaining stable optical performance within the range of -40℃ to 80℃.

[0081] The optical imaging lens of this application may further include an aperture stop for limiting the light beam. The aperture stop helps to concentrate the light entering the optical lens, reduce the maximum aperture of the optical lens, and decrease the assembly sensitivity of the system, thereby further improving the imaging quality of the optical lens. It should be noted that the aperture stop can be positioned between or to one side of any lens, depending on actual needs. For example, the aperture stop is positioned between the fifth lens and the sixth lens.

[0082] The optical imaging lens of this application has excellent resolution and can be used with a camera to achieve high resolution (50 million pixels).

[0083] Alternatively, in other alternative exemplary embodiments, the optical imaging lens described above may also be equipped with a filter for correcting color deviation and / or a protective glass for protecting the photosensitive element located on the imaging surface.

[0084] However, those skilled in the art will understand that the number of lenses constituting the optical imaging lens can be varied to obtain the various results and advantages described herein without departing from the technical solutions claimed in this application. For example, although eleven lenses have been described as an example in the embodiments, the optical imaging lens is not limited to including eleven lenses. If desired, the optical imaging lens may also include other numbers of lenses.

[0085] The following describes in further detail, with reference to the accompanying drawings, specific embodiments of the optical imaging lens applicable to the above-described embodiments.

[0086] Example 1

[0087] Figure 1 A schematic diagram of the optical imaging lens of Embodiment 1 of this application is shown. Figure 1 As shown, the optical imaging lens includes, in sequence from the object side to the image side, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, a tenth lens L10, and an eleventh lens L11.

[0088] The first lens L1 has negative optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens L2 has negative optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens L3 has negative optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens L4 has positive optical power, with its object-side surface S6 being convex and its image-side surface S7 being convex. The fifth lens L5 has negative optical power, with its object-side surface S8 being concave and its image-side surface S9 being convex. The sixth lens L6 has positive optical power, with its object-side surface S10 being convex and its image-side surface S11 being convex. The seventh lens L7 has negative optical power, with its object-side surface S12 being convex and its image-side surface S13 being concave. The eighth lens L8 has positive optical power, with its object-side surface S13 being convex and its image-side surface S14 being convex. The ninth lens L9 has negative optical power, with its object-side surface S15 being concave and its image-side surface S16 being concave. The tenth lens L10 has positive optical power, with its object-side surface S17 being convex and its image-side surface S18 being convex. The eleventh lens L11 has positive optical power, with its object-side surface S19 being convex and its image-side surface S20 being concave.

[0089] Among them, the third lens L3 and the fourth lens L4 form a cemented doublet, and the seventh lens L7 and the eighth lens L8 form a cemented doublet.

[0090] The optical lens also includes an aperture stop STO, which can be set between the fifth lens L5 and the sixth lens L6.

[0091] The optical lens may also include a filter (not shown) having an object-side side and an image-side side, and / or a protective glass CG having an object-side side S21 and an image-side side S22. The filter can be used to correct color aberrations, and the protective glass CG can be used to protect the image sensor chip located at the imaging surface. Light from the object passes sequentially through each surface S1 to S22 and is finally imaged onto the imaging surface IMA. It should be noted that surfaces S1 to S22 are... Figure 1 Not shown in the image.

[0092] Table 1 shows the basic parameters of the optical imaging lens of Example 1, where the units for radius of curvature and thickness / distance are millimeters (mm).

[0093] Table 1

[0094]

[0095]

[0096] In Example 1, the object-side and image-side surfaces of the second, fifth, ninth, tenth, and eleventh lenses are all aspherical. The surface shape of each aspherical lens can be defined using, but is not limited to, the following aspherical formula:

[0097]

[0098] Where x is the distance vector from the vertex of the aspherical surface at a height h along the optical axis; c is the paraxial curvature of the aspherical surface, c = 1 / R (i.e., the paraxial curvature c is the reciprocal of the radius of curvature R in Table 1 above); k is the conic coefficient; Ai is the i-th order correction coefficient of the aspherical surface. Table 2 below gives the conic coefficient k and higher-order coefficients A4, A6, A8, A10, A12, A14 and A16 that can be used for each aspherical mirror in Example 1.

[0099] Table 2

[0100] Face number k A4 A6 A8 A10 A12 A14 A16 S3 0.00 6.53E-04 -2.49E-04 2.11E-05 -1.21E-06 3.10E-08 0 0 S4 -4.55 3.44E-04 -3.49E-04 3.38E-05 -2.24E-06 8.13E-08 0 0 S8 -4.00 2.54E-03 -1.99E-04 2.51E-06 9.53E-08 4.08E-08 -7.72E-09 3.82E-10 S9 21.56 8.34E-03 -2.98E-04 4.69E-05 -7.26E-06 1.08E-06 -1.04E-07 7.05E-09 S15 0.00 3.97E-03 -3.50E-05 -8.47E-06 -5.96E-07 1.75E-07 -1.17E-08 2.86E-10 S16 0.00 1.88E-03 3.05E-05 -2.74E-06 -5.62E-07 6.12E-08 -2.39E-09 3.49E-11 S17 0.00 -1.27E-03 5.08E-05 -5.09E-07 -1.08E-08 -1.03E-09 5.31E-11 -7.06E-13 S18 0.00 1.79E-03 -5.30E-05 1.13E-07 4.14E-08 -1.08E-09 5.99E-12 5.03E-14 S19 0.00 4.39E-04 -2.83E-05 5.57E-07 -3.41E-09 0 0 0 S20 0.00 7.61E-05 -3.32E-05 7.81E-07 -5.28E-09 0 0 0

[0101] Example 2

[0102] Figure 2 A schematic diagram of the optical imaging lens of Embodiment 2 of this application is shown. Figure 2 As shown, the optical imaging lens includes, in sequence from the object side to the image side, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, a tenth lens L10, and an eleventh lens L11.

[0103] The first lens L1 has negative optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens L2 has negative optical power, with its object-side surface S3 being concave and its image-side surface S4 being concave. The third lens L3 has negative optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens L4 has positive optical power, with its object-side surface S6 being convex and its image-side surface S7 being convex. The fifth lens L5 has negative optical power, with its object-side surface S8 being concave and its image-side surface S9 being convex. The sixth lens L6 has positive optical power, with its object-side surface S10 being convex and its image-side surface S11 being convex. The seventh lens L7 has positive optical power, with its object-side surface S12 being convex and its image-side surface S13 being convex. The eighth lens L8 has negative optical power, with its object-side surface S13 being concave and its image-side surface S14 being concave. The ninth lens L9 has positive optical power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The tenth lens L10 has positive optical power, with its object-side surface S17 being concave and its image-side surface S18 being convex. The eleventh lens L11 has positive optical power, with its object-side surface S19 being convex and its image-side surface S20 being concave.

[0104] Among them, the third lens L3 and the fourth lens L4 form a cemented doublet, and the seventh lens L7 and the eighth lens L8 form a cemented doublet.

[0105] The optical lens also includes an aperture stop STO, which can be set between the fifth lens L5 and the sixth lens L6.

[0106] The optical lens may also include a filter (not shown) having an object-side side and an image-side side, and / or a protective glass CG having an object-side side S21 and an image-side side S22. The filter can be used to correct color aberrations, and the protective glass CG can be used to protect the image sensor chip located at the imaging surface. Light from the object passes sequentially through each surface S1 to S22 and is finally imaged onto the imaging surface IMA. It should be noted that surfaces S1 to S22 are... Figure 2 Not shown in the image.

[0107] Table 3 shows the basic parameters of the optical imaging lens of Example 2, where the units for radius of curvature and thickness / distance are millimeters (mm).

[0108] Table 3

[0109]

[0110] In Example 2, the object-side and image-side surfaces of the second, fifth, tenth, and eleventh lenses are all aspherical. The surface shape of each aspherical lens can be defined by, but is not limited to, the formula (1) given in Example 1 above. Table 4 below shows the conic coefficient k and higher-order coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical mirror in Example 2.

[0111] Table 4

[0112] Face number k A4 A6 A8 A10 A12 A14 A16 S3 0.00 1.39E-03 -2.10E-04 2.38E-05 -1.34E-06 2.15E-08 0 0 S4 0.37 2.35E-03 -1.64E-04 3.16E-05 -6.20E-07 -3.09E-08 0 0 S8 0.29 7.69E-03 -9.02E-05 1.94E-05 -9.87E-07 1.59E-08 1.18E-08 -5.43E-10 S9 2.30 4.79E-03 -6.06E-05 1.95E-05 -2.90E-06 2.16E-07 -1.56E-09 2.94E-10 S17 0.00 -2.47E-04 6.01E-05 -2.06E-06 2.98E-08 -1.71E-10 -5.15E-15 2.78E-14 S18 -0.35 8.61E-04 2.02E-05 8.85E-07 -5.60E-08 7.24E-10 1.59E-13 2.94E-14 S19 7.09 4.38E-04 -1.29E-05 1.82E-07 -1.18E-09 -1.15E-11 -2.22E-13 3.93E-15 S20 0.00 -8.09E-05 -1.54E-05 4.52E-07 -1.91E-09 -3.27E-11 -1.36E-13 2.54E-15

[0113] Example 3

[0114] Figure 3 A schematic diagram of the optical imaging lens of Embodiment 3 of this application is shown. Figure 3 As shown, the optical imaging lens includes, in sequence from the object side to the image side, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, a tenth lens L10, and an eleventh lens L11.

[0115] The first lens L1 has negative optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens L2 has negative optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens L3 has negative optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens L4 has positive optical power, with its object-side surface S6 being convex and its image-side surface S7 being convex. The fifth lens L5 has negative optical power, with its object-side surface S8 being concave and its image-side surface S9 being convex. The sixth lens L6 has positive optical power, with its object-side surface S10 being convex and its image-side surface S11 being convex. The seventh lens L7 has positive optical power, with its object-side surface S12 being convex and its image-side surface S13 being convex. The eighth lens L8 has negative optical power, with its object-side surface S13 being concave and its image-side surface S14 being concave. The ninth lens L9 has positive optical power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The tenth lens L10 has positive optical power, with its object-side surface S17 being convex and its image-side surface S18 being convex. The eleventh lens L11 has negative optical power, with its object-side surface S19 being concave and its image-side surface S20 being convex.

[0116] Among them, the third lens L3 and the fourth lens L4 form a cemented doublet, and the seventh lens L7 and the eighth lens L8 form a cemented doublet.

[0117] The optical lens also includes an aperture stop STO, which can be set between the fifth lens L5 and the sixth lens L6.

[0118] The optical lens may also include a filter (not shown) having an object-side side and an image-side side, and / or a protective glass CG having an object-side side S21 and an image-side side S22. The filter can be used to correct color aberrations, and the protective glass CG can be used to protect the image sensor chip located at the imaging surface. Light from the object passes sequentially through each surface S1 to S22 and is finally imaged onto the imaging surface IMA. It should be noted that surfaces S1 to S22 are... Figure 3 Not shown in the image.

[0119] Table 5 shows the basic parameters of the optical imaging lens of Example 3, where the units for radius of curvature and thickness / distance are millimeters (mm).

[0120] Table 5

[0121]

[0122] In Example 3, the object-side and image-side surfaces of the second, fifth, tenth, and eleventh lenses are all aspherical. The surface shape of each aspherical lens can be defined by, but is not limited to, the formula (1) given in Example 1 above. Table 6 below shows the conic coefficient k and higher-order coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical mirror in Example 3.

[0123] Table 6

[0124] Face number k A4 A6 A8 A10 A12 A14 A16 S3 -5.37 2.84E-03 -4.72E-04 5.60E-05 -5.22E-06 3.14E-07 -1.08E-08 1.43E-10 S4 -0.06 2.82E-03 -5.05E-04 6.60E-05 -7.48E-06 6.47E-07 -3.61E-08 9.11E-10 S8 0.61 7.69E-03 -1.66E-04 2.90E-05 -3.41E-06 5.46E-07 -4.31E-08 1.69E-09 S9 -21.99 2.25E-03 -3.41E-05 5.63E-05 -1.83E-05 3.11E-06 -2.66E-07 9.93E-09 S17 0.00 -1.69E-03 2.74E-04 -1.81E-05 7.52E-07 -1.98E-08 2.96E-10 -1.91E-12 S18 -5.25 -2.58E-03 3.67E-04 -1.89E-05 6.04E-07 -1.26E-08 1.56E-10 -8.41E-13 S19 -31.95 2.85E-03 -1.34E-04 4.65E-06 -1.16E-07 1.79E-09 -1.48E-11 4.82E-14 S20 120.00 1.64E-03 -2.12E-04 1.07E-05 -2.92E-07 4.51E-09 -3.64E-11 1.17E-13

[0125] Example 4

[0126] Figure 4 A schematic diagram of the optical imaging lens of Embodiment 4 of this application is shown. Figure 4 As shown, the optical imaging lens includes, in sequence from the object side to the image side, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, a tenth lens L10, and an eleventh lens L11.

[0127] The first lens L1 has negative optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens L2 has negative optical power, with its object-side surface S3 being concave and its image-side surface S4 being concave. The third lens L3 has negative optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens L4 has positive optical power, with its object-side surface S6 being convex and its image-side surface S7 being convex. The fifth lens L5 has negative optical power, with its object-side surface S8 being concave and its image-side surface S9 being convex. The sixth lens L6 has positive optical power, with its object-side surface S10 being convex and its image-side surface S11 being convex. The seventh lens L7 has negative optical power, with its object-side surface S12 being concave and its image-side surface S13 being concave. The eighth lens L8 has positive optical power, with its object-side surface S13 being convex and its image-side surface S14 being convex. The ninth lens L9 has negative optical power, with its object-side surface S15 being concave and its image-side surface S16 being concave. The tenth lens L10 has positive optical power, with its object-side surface S17 being convex and its image-side surface S18 being convex. The eleventh lens L11 has positive optical power, with its object-side surface S19 being convex and its image-side surface S20 being convex.

[0128] Among them, the third lens L3 and the fourth lens L4 form a cemented doublet, and the seventh lens L7 and the eighth lens L8 form a cemented doublet.

[0129] The optical lens also includes an aperture stop STO, which can be set between the fifth lens L5 and the sixth lens L6.

[0130] The optical lens may also include a filter (not shown) having an object-side side and an image-side side, and / or a protective glass CG having an object-side side S21 and an image-side side S22. The filter can be used to correct color aberrations, and the protective glass CG can be used to protect the image sensor chip located at the imaging surface. Light from the object passes sequentially through each surface S1 to S22 and is finally imaged onto the imaging surface IMA. It should be noted that surfaces S1 to S22 are... Figure 4 Not shown in the image.

[0131] Table 7 shows the basic parameters of the optical imaging lens of Example 4, where the units for radius of curvature and thickness / distance are millimeters (mm).

[0132] Table 7

[0133]

[0134]

[0135] In Example 4, the object-side and image-side surfaces of the second, fifth, tenth, and eleventh lenses are all aspherical. The surface shape of each aspherical lens can be defined by, but is not limited to, the formula (1) given in Example 1 above. Table 8 below shows the conic coefficient k and higher-order coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical mirror in Example 4.

[0136] Table 8

[0137] Face number k A4 A6 A8 A10 A12 A14 A16 S3 0.00 2.92E-03 -2.31E-04 1.13E-05 -3.20E-07 4.35E-25 0 0 S4 0.00 2.46E-03 -2.37E-04 7.55E-06 -1.37E-07 -5.54E-26 0 0 S8 0.00 7.48E-03 3.92E-05 -6.15E-06 5.53E-07 2.07E-27 1.98E-33 0 S9 0.00 5.92E-03 2.26E-05 1.35E-05 -1.33E-06 -1.91E-28 0 0 S17 0.00 1.32E-04 -5.85E-06 3.59E-07 -5.73E-09 -4.08E-22 -3.79E-27 0 S18 0.00 3.19E-04 2.41E-06 4.84E-07 -3.65E-09 4.43E-22 4.95E-27 0 S19 2.55 -4.41E-04 3.65E-06 0 0 0 0 0 S20 0.35 -1.14E-05 7.60E-07 0 0 0 0 0

[0138] Example 5

[0139] Figure 5 A schematic diagram of the optical imaging lens of Embodiment 5 of this application is shown. Figure 5 As shown, the optical imaging lens includes, in sequence from the object side to the image side, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, a tenth lens L10, and an eleventh lens L11.

[0140] The first lens L1 has negative optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens L2 has negative optical power, with its object-side surface S3 being concave and its image-side surface S4 being concave. The third lens L3 has negative optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens L4 has positive optical power, with its object-side surface S6 being convex and its image-side surface S7 being convex. The fifth lens L5 has negative optical power, with its object-side surface S8 being concave and its image-side surface S9 being convex. The sixth lens L6 has positive optical power, with its object-side surface S10 being convex and its image-side surface S11 being convex. The seventh lens L7 has positive optical power, with its object-side surface S12 being convex and its image-side surface S13 being convex. The eighth lens L8 has negative optical power, with its object-side surface S13 being concave and its image-side surface S14 being concave. The ninth lens L9 has positive optical power, with its object-side surface S15 being convex and its image-side surface S16 being concave. The tenth lens L10 has positive optical power, with its object-side surface S17 being concave and its image-side surface S18 being convex. The eleventh lens L11 has positive optical power, with its object-side surface S19 being convex and its image-side surface S20 being concave.

[0141] Among them, the third lens L3 and the fourth lens L4 form a cemented doublet, and the seventh lens L7 and the eighth lens L8 form a cemented doublet.

[0142] The optical lens also includes an aperture stop STO, which can be set between the fifth lens L5 and the sixth lens L6.

[0143] The optical lens may also include a filter (not shown) having an object-side side and an image-side side, and / or a protective glass CG having an object-side side S21 and an image-side side S22. The filter can be used to correct color aberrations, and the protective glass CG can be used to protect the image sensor chip located at the imaging surface. Light from the object passes sequentially through each surface S1 to S22 and is finally imaged onto the imaging surface IMA. It should be noted that surfaces S1 to S22 are... Figure 5 Not shown in the image.

[0144] Table 9 shows the basic parameters of the optical imaging lens of Example 5, where the units for radius of curvature and thickness / distance are millimeters (mm).

[0145] Table 9

[0146]

[0147] In Example 5, the object-side and image-side surfaces of the second, fifth, tenth, and eleventh lenses are all aspherical. The surface shape of each aspherical lens can be defined by, but is not limited to, the formula (1) given in Example 1 above. Table 10 below gives the conic coefficient k and higher-order coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical mirror in Example 5.

[0148] Table 10

[0149]

[0150]

[0151] Table 11 provides the parameter values ​​for the optical imaging lenses in each of Examples 1 to 5. The unit of FOV is degrees (°), Fno has no unit, and the units for other parameters are millimeters (mm).

[0152] Table 11

[0153] Parameters / Examples 1 2 3 4 5 f2 -26.167 -7.384 -11.093 -15.695 -10.959 f12 -4.348 -2.596 -2.902 -3.699 -2.999 f3 -5.649 -16.014 -12.534 -7.795 -16.907 f4 3.514 4.006 3.813 3.895 4.368 f34 6.740 5.343 5.310 7.094 9.318 f5 -9.866 -10.662 -11.532 -17.366 -21.986 f345 17.476 9.267 8.603 12.029 7.872 f6 7.806 7.453 8.081 7.321 7.663 f7 -9.012 6.033 6.790 -6.575 7.298 f8 5.883 -3.745 -4.036 5.875 -3.824 f10 13.241 15.868 8.519 12.735 103.151 f11 93.386 88.304 -34.238 30.690 19.641 fa -8.114 -5.418 -8.025 -9.710 -13.070 fb 8.963 9.000 9.758 9.902 9.667 f 4.900 5.180 4.957 5.087 5.232 TTL 31.404 31.397 31.434 30.749 31.403 FOV 166.600 165.000 165.400 164.000 165.000 H 16.53 16.46 16.52 16.38 16.51 D 15.815 15.923 16.029 15.978 16.034 BFL 2.304 2.633 2.760 2.651 2.970 Fno 2.82 2.81 2.81 2.80 2.81

[0154] In summary, the optical imaging lenses in Examples 1 to 5 satisfy the relationships shown in Table 12.

[0155] Table 12

[0156]

[0157]

[0158] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with 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, the following are included in sequence: A first lens with negative optical power; A second lens with negative optical power; A third lens with negative optical power; A fourth lens with positive optical power; A fifth lens with negative optical power; A sixth lens with positive optical power; A seventh lens with positive or negative optical power; An eighth lens with positive or negative optical power; A ninth lens with positive or negative optical power; A tenth lens with positive optical power; and An eleventh lens with positive or negative optical power; The seventh lens and the eighth lens have opposite positive and negative optical power properties; The optical imaging lens has eleven lenses with optical power; and The optical imaging lens satisfies: -2.3≤f345 / fa≤-0.5, where f345 is the combined focal length of the third lens, the fourth lens and the fifth lens, and fa is the combined focal length of the first lens to the fifth lens.

2. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies: -5.5≤f2 / f≤-1.3, where f2 is the effective focal length of the second lens and f is the total effective focal length of the optical imaging lens.

3. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies: -9.8≤f3 / f≤-1.0, where f3 is the effective focal length of the third lens and f is the total effective focal length of the optical imaging lens.

4. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies: 0.6≤f4 / f≤1.2, where f4 is the effective focal length of the fourth lens and f is the total effective focal length of the optical imaging lens.

5. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies: -4.3≤f5 / f≤-1.9, where f5 is the effective focal length of the fifth lens and f is the total effective focal length of the optical imaging lens.

6. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies: -3≤f5 / f6≤-1, where f5 is the effective focal length of the fifth lens and f6 is the effective focal length of the sixth lens.

7. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies the following condition: -2.0≤f7 / f8≤-1.0, where f7 is the effective focal length of the seventh lens and f8 is the effective focal length of the eighth lens.

8. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies: -0.4≤f10 / f11≤5.5, where f10 is the effective focal length of the tenth lens and f11 is the effective focal length of the eleventh lens.

9. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies: -1.0≤f12 / f≤-0.4, where 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.

10. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies: 0.9≤f34 / f≤1.9, where f34 is the combined focal length of the third lens and the fourth lens, and f is the total effective focal length of the optical imaging lens.

11. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies: 0.6≤f6 / fb≤1.0, where f6 is the effective focal length of the sixth lens and fb is the combined focal length of the sixth to the eleventh lenses.

12. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies: 0.5≤|R112 / f11|≤8.9, where R112 is the radius of curvature of the image side surface of the eleventh lens, and f11 is the effective focal length of the eleventh lens.

13. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies the following condition: -2.7≤fa / f≤-0.9, where fa is the combined focal length of the first lens to the fifth lens, and f is the total effective focal length of the optical imaging lens.

14. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies: 1.6≤fb / f≤2.1, where fb is the combined focal length of the sixth lens to the eleventh lens, and f is the total effective focal length of the optical imaging lens.

15. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies: -1.5≤fa / fb≤-0.5, where fa is the combined focal length of the first lens to the fifth lens, and fb is the combined focal length of the sixth lens to the eleventh lens.

16. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens meets the following requirement: 0.5° / mm 2 ≤FOV / H / D≤0.8° / mm 2 Wherein, FOV is the maximum field of view of the optical imaging lens, H is the image height corresponding to the maximum field of view of the optical imaging lens, and D is the maximum aperture of the optical imaging lens.

17. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies the following condition: 9.2mm≤TTL×f / H≤10.1mm, where TTL is the on-axis distance from the object side of the first lens to the imaging plane of the optical imaging lens, f is the total effective focal length of the optical imaging lens, and H is the image height corresponding to the maximum field of view of the optical imaging lens.

18. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies: 0.3≤BFL / f≤0.8, where BFL is the distance from the image side of the eleventh lens to the imaging surface of the optical imaging lens on the optical axis, and f is the total effective focal length of the optical imaging lens.

19. The optical imaging lens according to any one of claims 1-8, characterized in that, The optical imaging lens satisfies at least one of the following: 5.8≤|Vd3-Vd4|≤7.6; 32.8≤|Vd7-Vd8|≤50.5; Wherein, Vd3 is the Abbe number of the third lens, Vd4 is the Abbe number of the fourth lens, Vd7 is the Abbe number of the seventh lens, and Vd8 is the Abbe number of the eighth lens.

20. The optical imaging lens according to claim 1, characterized in that, The optical imaging lens satisfies at least one of the following: -5.4≤f2 / f≤-1.4;-0.95≤f12 / f≤-0.45;-3.26≤f3 / f≤-1.1;0.7≤f4 / f≤0.9;1.0≤f34 / f≤1.8;-4.25≤f5 / f≤-2;-2.2≤f345 / fa≤-0.55;-2.9≤f5 / f6≤-1.2;0.7≤f6 / fb≤0.9;-2.0≤f7 / f8≤-1.1;-0.3≤f10 / f11≤5.3;0.55≤|R112 / f11|≤8.8;-2.55≤fa / f≤-1;1.7≤fb / f≤2.0;-1.4≤fa / fb≤-0.55;0.6° / mm 2 ≤FOV / H / D≤0.7° / mm 2 ;9.25mm≤TTL×f / H≤10mm;0.4≤BFL / f≤0.6;5.9≤|Vd3-Vd4|≤7.5;32.9≤|Vd7-Vd8|≤50.4; Wherein, f is the total effective focal length of the optical imaging lens, f2 is the effective focal length of the second lens, f12 is the combined focal length of the first and second lenses, f3 is the effective focal length of the third lens, f4 is the effective focal length of the fourth lens, f34 is the combined focal length of the third and fourth lenses, f5 is the effective focal length of the fifth lens, f345 is the combined focal length of the third, fourth, and fifth lenses, fa is the combined focal length of the first to fifth lenses, f6 is the effective focal length of the sixth lens, f7 is the effective focal length of the seventh lens, f8 is the effective focal length of the eighth lens, f10 is the effective focal length of the tenth lens, and f11 is the effective focal length of the... The effective focal length of the eleventh lens, fb is the combined focal length of the sixth to the eleventh lenses, R112 is the radius of curvature of the image-side surface of the eleventh lens, FOV is the maximum field of view of the optical imaging lens, H is the image height corresponding to the maximum field of view of the optical imaging lens, D is the maximum aperture of the optical imaging lens, TTL is the axial distance from the object-side surface of the first lens to the imaging surface of the optical imaging lens, BFL is the distance from the image-side surface of the eleventh lens to the imaging surface of the optical imaging lens on the optical axis, Vd3 is the Abbe number of the third lens, Vd4 is the Abbe number of the fourth lens, Vd7 is the Abbe number of the seventh lens, and Vd8 is the Abbe number of the eighth lens.

21. The optical imaging lens according to claim 1 or 20, characterized in that, The object-side surface of the first lens is convex, and the image-side surface is concave. The object-side surface of the fourth lens is convex, and the image-side surface is also convex. The object-side surface of the sixth lens is convex, and the image-side surface is also convex.

22. The optical imaging lens according to claim 1 or 20, characterized in that, The image-side surface of the second lens is concave; The object-side surface of the third lens is convex, and the image-side surface is concave. The object-side surface of the fifth lens is concave, and the image-side surface is convex. The image-side surface of the ninth lens is concave; The image-side surface of the tenth lens is convex.

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