CN110161659B - Optical imaging lens and electronic device - Google Patents

Optical imaging lens and electronic device Download PDF

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Publication number
CN110161659B
CN110161659B CN201910553993.8A CN201910553993A CN110161659B CN 110161659 B CN110161659 B CN 110161659B CN 201910553993 A CN201910553993 A CN 201910553993A CN 110161659 B CN110161659 B CN 110161659B
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lens
optical imaging
optical
imaging lens
optical axis
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CN110161659A (en
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王新权
戴付建
赵烈烽
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Priority to CN201910553993.8A priority Critical patent/CN110161659B/en
Priority to CN202111241986.8A priority patent/CN113820833B/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

The application provides an optical imaging lens and electronic equipment, wherein the optical imaging lens sequentially comprises a first lens with positive focal power from an object side to an image side along an optical axis, and the object side of the first lens is a convex surface; a second lens having negative optical power; a third lens having negative optical power; a fourth lens having optical power; and a fifth lens having optical power, an image side surface of which is concave, wherein a maximum half field angle Semi-FOV of the optical imaging lens satisfies: the Semi-FOV is smaller than 15 degrees, so that the optical imaging lens has the characteristics of small caliber, high resolution and miniaturization, and can perform high-definition imaging on a far-end scene under the condition of ensuring the miniaturization of a system, thereby meeting the requirements of high-quality far-end shooting and image taking.

Description

Optical imaging lens and electronic device
Technical Field
The embodiment of the application relates to the field of optical elements, in particular to an optical imaging lens and electronic equipment.
Background
In recent years, imaging lenses based on COMS and CCD are widely applied in various fields, and particularly are more prominent in popularization and application in the field of intelligent mobile equipment. The conventional imaging lens is extended to a high-pixel telephoto imaging device in addition to an imaging device of a general angle of view, and is used for obtaining a high-quality telephoto image. And the imaging device based on the traditional optical imaging lens has a large visual angle, and is difficult to meet the requirements of high-quality long-distance imaging.
Disclosure of Invention
Aiming at the technical problems in the prior art, the application provides an optical imaging lens and electronic equipment.
An aspect of the present application provides an optical imaging lens sequentially including, from an object side to an image side along an optical axis: a first lens with positive focal power, the object side surface of which is a convex surface; a second lens having negative optical power; a third lens having negative optical power; a fourth lens having optical power; and a fifth lens having optical power, an image side surface of which is concave, wherein a maximum half field angle Semi-FOV of the optical imaging lens satisfies: semi-FOV <15 deg..
According to an embodiment of the present application, a distance BFL between an image side surface of the fifth lens element and an imaging surface of the optical imaging lens element on the optical axis and a distance TTL between an object side surface of the first lens element and the imaging surface of the optical imaging lens element on the optical axis satisfy: BFL/TTL >0.5.
According to an embodiment of the present application, a distance TTL from an object side surface of the first lens to an imaging surface of the optical imaging lens on the optical axis and a total effective focal length f of the optical imaging lens satisfy: TTL/f <1.
According to an embodiment of the present application, the effective focal length f2 of the second lens and the total effective focal length f of the optical imaging lens satisfy: -1.2< f2/f < -0.2.
According to an embodiment of the present application, the effective focal length f1 of the first lens, the effective focal length f5 of the fifth lens and the total effective focal length f of the optical imaging lens satisfy: 0.6< (f 5-f 1)/f <1.6.
According to an embodiment of the present application, the radius of curvature R1 of the object side surface of the first lens and the radius of curvature R2 of the image side surface of the first lens satisfy: -1.2< R1/R2< -0.2.
According to an embodiment of the present application, the radius of curvature R2 of the image side surface of the first lens and the radius of curvature R3 of the object side surface of the second lens satisfy: 0.5< R2/R3<1.5.
According to an embodiment of the present application, the radius of curvature R6 of the image side surface of the third lens and the effective focal length f3 of the third lens satisfy: -1< R6/f3<0.
According to an embodiment of the present application, the radius of curvature R8 of the image side surface of the fourth lens and the radius of curvature R9 of the object side surface of the fifth lens satisfy: 0< | (R8+R9) |/(R9-R8) <1.
According to an embodiment of the present application, a center thickness CT1 of the first lens on the optical axis, a center thickness CT2 of the second lens on the optical axis, a center thickness CT3 of the third lens on the optical axis, a center thickness CT4 of the fourth lens on the optical axis, and a center thickness CT5 of the fifth lens on the optical axis satisfy: 0.5< (CT2+CT3+CT4+CT5)/CT 1<1.
According to the embodiment of the present application, the air space T12 on the optical axis of the first lens and the second lens, the air space T23 on the optical axis of the second lens and the third lens, the air space T34 on the optical axis of the third lens and the fourth lens, and the air space T45 on the optical axis of the fourth lens and the fifth lens satisfy: 0.1< (t12+t23)/(t34+t45) <0.8.
According to an embodiment of the present application, a center thickness CT2 of the second lens on the optical axis and an edge thickness ET2 of the second lens satisfy: 0.5< CT2/ET2<1.
According to the embodiment of the present application, the projection distance SAG11 on the optical axis between the intersection point of the object side surface of the first lens and the optical axis and the effective radius vertex of the object side surface of the first lens, the projection distance SAG32 on the optical axis between the intersection point of the image side surface of the third lens and the optical axis and the effective radius vertex of the image side surface of the third lens satisfy: 0.1< SAG32/SAG11<0.6.
According to an embodiment of the application, the fifth lens has positive optical power.
Another aspect of the present application provides an optical imaging lens sequentially including, from an object side to an image side along an optical axis: a first lens with positive focal power, the object side surface of which is a convex surface; a second lens having negative optical power; a third lens having negative optical power; a fourth lens having optical power; and a fifth lens having positive optical power, an image-side surface of which is concave; the distance BFL between the image side surface of the fifth lens element and the imaging surface of the optical imaging lens element on the optical axis and the distance TTL between the object side surface of the first lens element and the imaging surface of the optical imaging lens element on the optical axis satisfy the following conditions: BFL/TTL >0.5.
According to an embodiment of the present application, a distance TTL from an object side surface of the first lens to an imaging surface of the optical imaging lens on the optical axis and a total effective focal length f of the optical imaging lens satisfy: TTL/f <1.
According to an embodiment of the present application, the effective focal length f2 of the second lens and the total effective focal length f of the optical imaging lens satisfy: -1.2< f2/f < -0.2.
According to an embodiment of the present application, the effective focal length f1 of the first lens, the effective focal length f5 of the fifth lens and the total effective focal length f of the optical imaging lens satisfy: 0.6< (f 5-f 1)/f <1.6.
According to an embodiment of the present application, the radius of curvature R1 of the object side surface of the first lens and the radius of curvature R2 of the image side surface of the first lens satisfy: -1.2< R1/R2< -0.2.
According to an embodiment of the present application, the radius of curvature R2 of the image side surface of the first lens and the radius of curvature R3 of the object side surface of the second lens satisfy: 0.5< R2/R3<1.5.
According to an embodiment of the present application, the radius of curvature R6 of the image side surface of the third lens and the effective focal length f3 of the third lens satisfy: -1< R6/f3<0.
According to an embodiment of the present application, the radius of curvature R8 of the image side surface of the fourth lens and the radius of curvature R9 of the object side surface of the fifth lens satisfy: 0< | (R8+R9) |/(R9-R8) <1.
According to an embodiment of the present application, a center thickness CT1 of the first lens on the optical axis, a center thickness CT2 of the second lens on the optical axis, a center thickness CT3 of the third lens on the optical axis, a center thickness CT4 of the fourth lens on the optical axis, and a center thickness CT5 of the fifth lens on the optical axis satisfy: 0.5< (CT2+CT3+CT4+CT5)/CT 1<1.
According to the embodiment of the present application, the air space T12 on the optical axis of the first lens and the second lens, the air space T23 on the optical axis of the second lens and the third lens, the air space T34 on the optical axis of the third lens and the fourth lens, and the air space T45 on the optical axis of the fourth lens and the fifth lens satisfy: 0.1< (t12+t23)/(t34+t45) <0.8.
According to an embodiment of the present application, a center thickness CT2 of the second lens on the optical axis and an edge thickness ET2 of the second lens satisfy: 0.5< CT2/ET2<1.
According to the embodiment of the present application, the projection distance SAG11 on the optical axis between the intersection point of the object side surface of the first lens and the optical axis and the effective radius vertex of the object side surface of the first lens, the projection distance SAG32 on the optical axis between the intersection point of the image side surface of the third lens and the optical axis and the effective radius vertex of the image side surface of the third lens satisfy: 0.1< SAG32/SAG11<0.6.
Still another aspect of the present application provides an electronic apparatus including the above optical imaging lens.
The optical imaging lens provided by the application adopts five lenses, and the focal power and the surface shape of each lens are reasonably matched with each other and a smaller maximum half view field angle is set, so that the optical imaging lens can perform high-definition imaging on a far-end scene under the condition of ensuring the miniaturization of the system, and the requirements of high-quality shooting and far-end image capturing are met.
Drawings
Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, taken in conjunction with the accompanying drawings. In the drawings:
Fig. 1 shows a schematic configuration diagram of an optical imaging lens according to embodiment 1 of the present application;
fig. 2A to 2D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 1;
fig. 3 is a schematic diagram showing the structure of an optical imaging lens according to embodiment 2 of the present application;
fig. 4A to 4D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 2;
fig. 5 shows a schematic structural view of an optical imaging lens according to embodiment 3 of the present application;
Fig. 6A to 6D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 3;
fig. 7 shows a schematic configuration diagram of an optical imaging lens according to embodiment 4 of the present application;
fig. 8A to 8D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 4;
fig. 9 shows a schematic configuration diagram of an optical imaging lens according to embodiment 5 of the present application;
fig. 10A to 10D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 5;
Fig. 11 shows a schematic structural view of an optical imaging lens according to embodiment 6 of the present application;
fig. 12A to 12D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 6;
Fig. 13 is a schematic diagram showing the structure of an optical imaging lens according to embodiment 7 of the present application;
Fig. 14A to 14D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the optical imaging lens of embodiment 7;
fig. 15 shows a schematic structural view of an optical imaging lens according to embodiment 8 of the present application;
Fig. 16A to 16D show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of embodiment 8, respectively.
Detailed Description
For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the application and is not intended to limit the scope of the application in any way. Like reference numerals refer to like elements throughout the specification. The expression "and/or" includes any and all combinations of one or more of the associated listed items.
It should be noted that in the present 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 feature. Accordingly, a first lens discussed below may also be referred to as a second lens or a third lens without departing from the teachings of the present application.
In the drawings, the thickness, size, and shape of the lenses have been slightly exaggerated for convenience of explanation. In particular, the spherical or aspherical shape shown in the drawings is shown by way of example. That is, the shape of the spherical or aspherical surface is not limited to the shape of the spherical or aspherical surface shown in the drawings. The figures are merely examples and are not drawn to scale.
Herein, the paraxial region refers to a region near the optical axis. If the lens surface is convex and the convex position is not defined, then the lens surface is convex at least in the paraxial region; if the lens surface is concave and the concave position 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 referred to as the object side of the lens, and the surface of each lens closest to the imaging plane is referred to as the image side of the lens.
It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "containing," and/or "including," when used in this specification, specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof. Furthermore, when a statement such as "at least one of the following" appears after a list of features that are listed, the entire listed feature is modified instead of modifying a separate element in the list. Furthermore, when describing embodiments of the application, use of "may" means "one or more embodiments of the application. Also, the term "exemplary" is intended to refer to an example or illustration.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
The features, principles, and other aspects of the present application are described in detail below.
At present, when an imaging lens based on COMS and CCD is used as an imaging device of intelligent mobile equipment, the visual angle of the imaging lens is generally larger, and the requirements of high-quality long-distance imaging are difficult to meet under the requirement of miniaturization of a system.
In view of the foregoing, the present application provides an optical imaging lens, which sequentially includes, along an optical axis, a first lens having positive optical power from an object side to an image side, wherein the object side is a convex surface; a second lens having negative optical power; a third lens having negative optical power; a fourth lens having optical power; and a fifth lens having optical power, an image side surface of which is concave, wherein a maximum half field angle Semi-FOV of the optical imaging lens satisfies: semi-FOV <15 deg..
Specifically, the optical imaging lens provided by the application comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens, wherein the first lens has positive focal power, so that the overall length of an optical system is reduced, the miniaturization of a lens module is realized, the spherical aberration of the optical system is reduced, and the imaging quality is improved due to the fact that the object side surface of the lens module is convex; the second lens and the third lens have negative focal power, are matched with each other and are reasonably distributed, so that the shooting-to-distance ratio of the optical system is improved, the tolerance sensitivity is reduced, and the miniaturization of the lens module is realized; the fourth lens and the fifth lens have optical power, and the image side surface of the fifth lens is a concave surface, so that the reduction of the optical effective diameter of the lens and the shortening of the overall length of an optical system are facilitated, and the miniaturization of a lens module is realized; and the maximum half field angle of the optical imaging lens is smaller than 15 degrees, and the smaller field angle is favorable for the optical system to carry out high-definition imaging on a far-end scene, so that the requirements of high-quality shooting and far-end image capturing are met.
According to an embodiment of the present application, a distance BFL between an image side surface of the fifth lens element and an imaging surface of the optical imaging lens element on the optical axis and a distance TTL between an object side surface of the first lens element and the imaging surface of the optical imaging lens element on the optical axis satisfy: the ratio of the distance from the image side surface of the fifth lens to the imaging surface of the optical imaging lens on the optical axis to the distance from the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis is larger than 0.5, which is favorable for the optical system to obtain better balance between obtaining high-quality telephoto images and miniaturizing the module and realize high-quality telephoto imaging.
According to an embodiment of the present application, a distance TTL from an object side surface of the first lens to an imaging surface of the optical imaging lens on the optical axis and a total effective focal length f of the optical imaging lens satisfy: TTL/f <1. The proportional relation between the distance from the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis and the total effective focal length of the optical imaging lens is reasonably set, so that the compression ratio of the optical system can be improved, and the miniaturization of the lens module is facilitated.
According to an embodiment of the present application, the effective focal length f2 of the second lens and the total effective focal length f of the optical imaging lens satisfy: -1.2< f2/f < -0.2, e.g., -0.9< f2/f < -0.2. The ratio of the effective focal length of the second lens to the total effective focal length of the optical imaging lens is controlled within a reasonable numerical range, the shooting-distance ratio of the optical system can be balanced, the reasonable distribution of focal power is realized, the acquisition of high-quality shooting-distance images is facilitated, and the tolerance sensitivity of the system during lens processing and manufacturing can be reduced.
According to an embodiment of the present application, the effective focal length f1 of the first lens, the effective focal length f5 of the fifth lens and the total effective focal length f of the optical imaging lens satisfy: 0.6< (f 5-f 1)/f <1.6. The mutual relation among the three is reasonably arranged, so that the reasonable distribution of the focal power is facilitated, and the relative balance between high shooting-distance ratio and reduction of system aberration in the optical system is realized.
According to an embodiment of the present application, the radius of curvature R1 of the object side surface of the first lens and the radius of curvature R2 of the image side surface of the first lens satisfy: -1.2< R1/R2< -0.2, e.g., -0.85< R1/R2< -0.4. The proportional relation between the curvature radius of the object side surface of the first lens and the curvature radius of the image side surface of the first lens is reasonably controlled, so that the spherical aberration of the first lens is reduced, and the optical system is guaranteed to have good tolerance sensitivity.
According to an embodiment of the present application, the radius of curvature R2 of the image side surface of the first lens and the radius of curvature R3 of the object side surface of the second lens satisfy: 0.5< R2/R3<1.5, e.g., 0.5< R2/R3<1.3. The proportional relation between the curvature radius of the image side surface of the first lens and the curvature radius of the object side surface of the second lens is reasonably controlled, so that the assembly tolerance sensitivity of the first lens and the second lens is reduced, and the yield of products manufactured by production is improved.
According to an embodiment of the present application, the radius of curvature R6 of the image side surface of the third lens and the effective focal length f3 of the third lens satisfy: -1< R6/f3<0, e.g., -0.65< R6/f3<0. The proportional relation between the curvature radius of the image side surface of the third lens and the effective focal length of the third lens is reasonably controlled, so that reasonable adjustment of the light path change is facilitated, excessive concentration of focal power on one lens surface is avoided, and the manufacturability of lens processing and manufacturing is improved.
According to an embodiment of the present application, the radius of curvature R8 of the image side surface of the fourth lens and the radius of curvature R9 of the object side surface of the fifth lens satisfy: 0< | (R8+R9) |/(R9-R8) <1. And the interrelation between the curvature radius of the image side surface of the fourth lens and the curvature radius of the object side surface of the fifth lens is reasonably arranged, so that the reasonable adjustment of the light path change is facilitated, and the imaging quality of the optical system is improved.
According to an embodiment of the present application, a center thickness CT1 of the first lens on the optical axis, a center thickness CT2 of the second lens on the optical axis, a center thickness CT3 of the third lens on the optical axis, a center thickness CT4 of the fourth lens on the optical axis, and a center thickness CT5 of the fifth lens on the optical axis satisfy: 0.5< (c2+c3+c4+c5)/CT 1<1, e.g., 0.6< (c2+c3+c4+c5)/CT 1<0.85. The mutual relation among the central thicknesses of all lenses in the optical imaging lens is reasonably arranged, so that the on-axis space of all lenses is reasonably distributed, the optical system can simultaneously take into account the higher shooting-to-distance ratio and the shorter overall length of the system, and the miniaturization requirement of the optical imaging lens is realized.
According to the embodiment of the present application, the air space T12 on the optical axis of the first lens and the second lens, the air space T23 on the optical axis of the second lens and the third lens, the air space T34 on the optical axis of the third lens and the fourth lens, and the air space T45 on the optical axis of the fourth lens and the fifth lens satisfy: 0.1< (t12+t23)/(t34+t45) <0.8. The mutual relation of the air intervals between the adjacent lenses is reasonably arranged, so that the reasonable adjustment of the light path is facilitated, excessive bending of light on the surfaces of the lenses is avoided, the sensitivity of processing and manufacturing errors of an optical system is reduced, and the production yield of products is improved.
According to an embodiment of the present application, a center thickness CT2 of the second lens on the optical axis and an edge thickness ET2 of the second lens satisfy: 0.5< CT2/ET2<1. The proportional relation between the center thickness of the second lens on the optical axis and the edge thickness of the second lens is reasonably controlled, so that the second lens has better processing and forming manufacturability, and the manufacturing difficulty and the processing cost of the lens are reduced.
According to the embodiment of the present application, the projection distance SAG11 on the optical axis between the intersection point of the object side surface of the first lens and the optical axis and the effective radius vertex of the object side surface of the first lens, the projection distance SAG32 on the optical axis between the intersection point of the image side surface of the third lens and the optical axis and the effective radius vertex of the image side surface of the third lens satisfy: 0.1< SAG32/SAG11<0.6. The proportional relation between the two is reasonably controlled, so that the reasonable adjustment of the light path is facilitated, and the increase of tolerance sensitivity caused by excessive bending of light on the surface of the lens is avoided, thereby improving the imaging quality of the optical system.
According to the embodiment of the application, the fifth lens has positive focal power, which is beneficial to shortening the overall length of the optical system and realizing miniaturization of the lens module.
An aspect of the present application provides an electronic device including the optical imaging lens described above. The electronic equipment provided by the application is provided with the optical imaging lens so as to acquire high-definition shooting images.
However, it will be appreciated by those skilled in the art that the number of lenses making up the optical imaging lens can be varied to achieve the various results and advantages described in this specification without departing from the technical solution claimed in the present application. For example, although the description has been made by taking five lenses as an example in the embodiment, the optical imaging lens is not limited to include five lenses. The optical imaging lens may also include other numbers of lenses, if desired.
Specific examples of the optical imaging lens applicable to the above-described embodiments are further described below with reference to the accompanying drawings.
Example 1
An optical imaging lens according to embodiment 1 of the present application is described below with reference to fig. 1 to 2D. Fig. 1 is a schematic diagram showing the structure of an optical imaging lens according to embodiment 1 of the present application.
As shown in fig. 1, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: stop STO, first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, filter E6 and imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave, and an image-side surface S4 thereof is concave. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is convex, and an image-side surface S6 thereof is concave. The fourth lens element E4 has positive refractive power, wherein an object-side surface S7 thereof is concave and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 1 shows the basic parameter table of the optical imaging lens of embodiment 1, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 1
In embodiment 1, the object side surface and the image side surface of any one of the first lens E1 to the fifth lens E5 are aspherical, and the surface profile x of each aspherical lens can be defined by, but not limited to, the following aspherical formula:
wherein x is the distance vector height from the vertex of the aspheric surface when the aspheric surface is at the position with the height h along the optical axis direction; c is the paraxial curvature of the aspheric surface, c=1/R (i.e., paraxial curvature c is the inverse of radius of curvature R in table 1 above); k is a conic coefficient; ai is the correction coefficient of the aspherical i-th order. The following Table 2 shows the higher order coefficients A 4、A6、A8、A10 and A 12 that can be used for each of the aspherical mirrors S1-S10 in example 1.
Face number A4 A6 A8 A10 A12
S1 -2.2137E-05 -1.2071E-06 -3.0016E-08 1.0488E-08 0.0000E+00
S2 1.4226E-03 6.1229E-05 -4.9705E-06 -2.4430E-07 0.0000E+00
S3 5.9189E-03 -2.1155E-04 -1.7878E-06 -1.1455E-07 6.4508E-09
S4 1.7790E-03 5.5892E-04 -1.0348E-04 4.1546E-06 0.0000E+00
S5 -5.8465E-03 7.0064E-04 2.4091E-05 -4.0876E-06 0.0000E+00
S6 -1.1376E-02 4.3686E-04 1.8096E-05 0.0000E+00 0.0000E+00
S7 1.1247E-02 -8.2780E-04 -4.1177E-05 -1.2878E-06 5.9386E-07
S8 1.0247E-02 -3.7206E-04 -1.5868E-04 1.2605E-05 0.0000E+00
S9 1.6558E-03 4.8094E-04 -1.0363E-04 8.4141E-06 0.0000E+00
S10 -8.6449E-03 1.5749E-03 -1.8350E-04 1.0762E-05 0.0000E+00
TABLE 2
Fig. 2A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 1, which indicates the deviation of the converging focus after light rays of different wavelengths pass through the lens. Fig. 2B shows an astigmatism curve of the optical imaging lens of embodiment 1, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 2C shows a distortion curve of the optical imaging lens of embodiment 1, which represents distortion magnitude values corresponding to different image heights. Fig. 2D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 1, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 2A to 2D, the optical imaging lens provided in embodiment 1 can achieve good imaging quality.
Example 2
An optical imaging lens according to embodiment 2 of the present application is described below with reference to fig. 3 to 4D. Fig. 3 shows a schematic configuration of an optical imaging lens according to embodiment 2 of the present application.
As shown in fig. 3, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a third lens E3, a stop STO, a fourth lens E4, a fifth lens E5, a filter E6, and an imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave and an image-side surface S4 thereof is convex. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is concave, and an image-side surface S6 thereof is concave. The fourth lens element E4 has negative refractive power, wherein an object-side surface S7 thereof is concave and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 3 shows the basic parameter table of the optical imaging lens of embodiment 2, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 3 Table 3
In embodiment 2, the object side surface and the image side surface of each of the first lens element E1 and any of the second to fifth lens elements E2 to E5 are aspheric. The following Table 4 shows the higher order coefficients A 4、A6、A8、A10 and A 12 that can be used for each of the aspherical mirrors S1-S10 in example 2.
Face number A4 A6 A8 A10 A12
S1 -6.5977E-05 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 1.7604E-04 9.8786E-05 -7.8982E-06 0.0000E+00 0.0000E+00
S3 -7.1915E-05 7.0455E-05 -7.2061E-06 0.0000E+00 0.0000E+00
S4 1.5149E-03 -8.7086E-05 -1.3221E-05 0.0000E+00 0.0000E+00
S5 -2.8785E-03 6.0952E-04 -5.6284E-05 2.2378E-06 -2.0788E-07
S6 -3.2482E-03 3.0925E-04 2.6201E-05 0.0000E+00 0.0000E+00
S7 4.4482E-03 -6.0184E-04 5.5113E-05 -1.4476E-06 0.0000E+00
S8 4.0425E-03 -3.5250E-04 0.0000E+00 0.0000E+00 0.0000E+00
S9 6.3684E-04 -5.2231E-05 -3.4723E-05 1.6499E-06 0.0000E+00
S10 -2.3524E-03 3.8957E-04 -7.0136E-05 3.1381E-06 0.0000E+00
TABLE 4 Table 4
Fig. 4A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 2, which indicates the deviation of the converging focus after light rays of different wavelengths pass through the lens. Fig. 4B shows an astigmatism curve of the optical imaging lens of embodiment 2, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 4C shows a distortion curve of the optical imaging lens of embodiment 2, which represents distortion magnitude values corresponding to different image heights. Fig. 4D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 2, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 4A to 4D, the optical imaging lens provided in embodiment 2 can achieve good imaging quality.
Example 3
An optical imaging lens according to embodiment 3 of the present application is described below with reference to fig. 5 to 6D. Fig. 5 shows a schematic configuration diagram of an optical imaging lens according to embodiment 3 of the present application.
As shown in fig. 5, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a third lens E3, a stop STO, a fourth lens E4, a fifth lens E5, a filter E6, and an imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave and an image-side surface S4 thereof is convex. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is convex, and an image-side surface S6 thereof is concave. The fourth lens element E4 has negative refractive power, wherein an object-side surface S7 thereof is concave and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 5 shows the basic parameter table of the optical imaging lens of embodiment 3, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 5
In embodiment 3, the object side surface and the image side surface of each of the first lens element E1 and any of the second to fifth lens elements E2 to E5 are aspheric. The higher order coefficients A 4、A6、A8、A10 and A 12 that can be used for each of the aspherical mirrors S1-S10 in example 3 are given in Table 6 below.
TABLE 6
Fig. 6A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 3, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 6B shows an astigmatism curve of the optical imaging lens of embodiment 3, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 6C shows a distortion curve of the optical imaging lens of embodiment 3, which represents distortion magnitude values corresponding to different image heights. Fig. 6D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 3, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 6A to 6D, the optical imaging lens provided in embodiment 3 can achieve good imaging quality.
Example 4
An optical imaging lens according to embodiment 4 of the present application is described below with reference to fig. 7 to 8D. Fig. 7 shows a schematic configuration diagram of an optical imaging lens according to embodiment 4 of the present application.
As shown in fig. 4, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a third lens E3, a stop STO, a fourth lens E4, a fifth lens E5, a filter E6, and an imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave, and an image-side surface S4 thereof is concave. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is convex, and an image-side surface S6 thereof is concave. The fourth lens element E4 has positive refractive power, wherein an object-side surface S7 thereof is concave and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 7 shows a basic parameter table of the optical imaging lens of example 4, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 7
In embodiment 4, the object side surface and the image side surface of each of the first lens element E1 and any of the second to fifth lens elements E2 to E5 are aspheric. The higher order coefficients A 4、A6、A8 and A 10 that can be used for each of the aspherical mirrors S1-S10 in example 4 are given in Table 8 below.
Face number A4 A6 A8 A10
S1 -4.7290E-05 0.0000E+00 0.0000E+00 0.0000E+00
S2 1.2546E-03 -1.4755E-05 -2.5788E-06 0.0000E+00
S3 2.6007E-05 4.3267E-05 -3.4043E-06 0.0000E+00
S4 8.0045E-04 -1.2947E-04 2.8527E-05 0.0000E+00
S5 -2.3764E-03 2.3393E-04 1.4891E-05 4.9916E-07
S6 -1.7146E-03 4.8878E-05 1.8090E-05 0.0000E+00
S7 5.0389E-03 -7.7304E-04 4.1820E-05 -1.6616E-06
S8 5.8184E-03 -3.9606E-04 0.0000E+00 0.0000E+00
S9 1.7712E-03 -4.1549E-06 -1.7366E-05 1.5927E-07
S10 -3.5672E-03 4.6242E-04 -4.9700E-05 1.4624E-06
TABLE 8
Fig. 8A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 4, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 8B shows an astigmatism curve of the optical imaging lens of embodiment 4, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 8C shows a distortion curve of the optical imaging lens of embodiment 4, which represents distortion magnitude values corresponding to different image heights. Fig. 8D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 4, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 8A to 8D, the optical imaging lens provided in embodiment 4 can achieve good imaging quality.
Example 5
An optical imaging lens according to embodiment 5 of the present application is described below with reference to fig. 9 to 10D. Fig. 9 shows a schematic configuration of an optical imaging lens according to embodiment 5 of the present application.
As shown in fig. 9, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a third lens E3, a stop STO, a fourth lens E4, a fifth lens E5, a filter E6, and an imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave and an image-side surface S4 thereof is convex. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is concave, and an image-side surface S6 thereof is concave. The fourth lens element E4 has negative refractive power, wherein an object-side surface S7 thereof is concave and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 9 shows a basic parameter table of the optical imaging lens of embodiment 5, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 9
In embodiment 5, the object side surface and the image side surface of the first lens element E1 and any one of the second to fifth lens elements E2 to E5 are aspheric. The following Table 10 shows the higher order coefficients A 4、A6、A8 and A 10 that can be used for each of the aspherical mirrors S1-S10 in example 5.
Face number A4 A6 A8 A10
S1 1.2500E-04 6.8058E-05 -3.3369E-06 0.0000E+00
S2 -2.8795E-04 6.8100E-05 -3.0192E-06 0.0000E+00
S3 1.1319E-03 7.0711E-05 -2.5939E-05 0.0000E+00
S4 -3.1133E-03 7.1891E-04 -6.0220E-05 -8.1698E-07
S5 -3.4172E-03 3.8185E-04 6.1368E-06 0.0000E+00
S6 4.8011E-03 -6.0495E-04 4.0342E-05 2.0044E-07
S7 4.1758E-03 -3.4565E-04 0.0000E+00 0.0000E+00
S8 1.8004E-03 -3.6872E-04 -5.6236E-07 -1.3407E-06
S9 -2.8351E-03 2.3193E-04 -4.8238E-05 1.3069E-06
S10 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
Table 10
Fig. 10A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 5, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 10B shows an astigmatism curve of the optical imaging lens of embodiment 5, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 10C shows a distortion curve of the optical imaging lens of embodiment 5, which represents distortion magnitude values corresponding to different image heights. Fig. 10D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 5, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 10A to 10D, the optical imaging lens provided in embodiment 5 can achieve good imaging quality.
Example 6
An optical imaging lens according to embodiment 6 of the present application is described below with reference to fig. 11 to 12D. Fig. 11 shows a schematic structural diagram of an optical imaging lens according to embodiment 6 of the present application.
As shown in fig. 11, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a third lens E3, a stop STO, a fourth lens E4, a fifth lens E5, a filter E6, and an imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave, and an image-side surface S4 thereof is concave. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is concave, and an image-side surface S6 thereof is concave. The fourth lens element E4 has positive refractive power, wherein an object-side surface S7 thereof is concave and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 11 shows a basic parameter table of the optical imaging lens of embodiment 6, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 11
In embodiment 6, the object side surface and the image side surface of each of the first lens element E1 and any of the second to fifth lens elements E2 to E5 are aspheric. The following Table 12 shows the higher order coefficients A 4、A6、A8、A10、A12 and A 14 that can be used for each of the aspherical mirrors S1-S10 in example 6.
Face number A4 A6 A8 A10 A12 A14
S1 -4.2666E-05 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 1.3358E-04 8.7973E-05 -1.8862E-06 0.0000E+00 0.0000E+00 0.0000E+00
S3 -1.4129E-03 2.0328E-04 -1.4367E-06 0.0000E+00 0.0000E+00 0.0000E+00
S4 2.5180E-03 -2.2194E-04 8.7670E-06 0.0000E+00 0.0000E+00 0.0000E+00
S5 -8.7793E-04 -3.6054E-04 6.2694E-06 -2.2275E-07 0.0000E+00 0.0000E+00
S6 -2.0732E-03 7.8309E-05 -1.2425E-05 0.0000E+00 0.0000E+00 0.0000E+00
S7 4.4448E-03 -1.9336E-04 -4.2271E-05 1.2046E-06 0.0000E+00 0.0000E+00
S8 3.0851E-03 -3.9325E-04 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 8.2471E-04 -3.9736E-04 3.3675E-05 -5.2012E-06 1.9266E-07 -1.2251E-08
S10 -3.4574E-03 2.1180E-04 -2.8840E-05 -2.9021E-07 0.0000E+00 0.0000E+00
Table 12
Fig. 12A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 6, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 12B shows an astigmatism curve of the optical imaging lens of embodiment 6, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 12C shows a distortion curve of the optical imaging lens of embodiment 6, which represents distortion magnitude values corresponding to different image heights. Fig. 12D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 6, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 12A to 12D, the optical imaging lens provided in embodiment 6 can achieve good imaging quality.
Example 7
An optical imaging lens according to embodiment 7 of the present application is described below with reference to fig. 13 to 14D. Fig. 13 shows a schematic configuration diagram of an optical imaging lens according to embodiment 7 of the present application.
As shown in fig. 13, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a third lens E3, a stop STO, a fourth lens E4, a fifth lens E5, a filter E6, and an imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave, and an image-side surface S4 thereof is concave. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is convex, and an image-side surface S6 thereof is concave. The fourth lens element E4 has positive refractive power, wherein an object-side surface S7 thereof is convex, and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 13 shows a basic parameter table of the optical imaging lens of embodiment 7, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 13
In embodiment 7, the object side surface and the image side surface of each of the first lens element E1 and any of the second to fifth lens elements E2 to E5 are aspheric. The following Table 14 shows the higher order coefficients A 4、A6、A8 and A 10 that can be used for each of the aspherical mirrors S1-S10 in example 7.
Face number A4 A6 A8 A10
S1 6.0125E-06 0.0000E+00 0.0000E+00 0.0000E+00
S2 9.4550E-06 8.6999E-05 -1.6121E-06 0.0000E+00
S3 -1.5021E-03 2.9579E-04 -7.1912E-06 0.0000E+00
S4 1.8509E-03 -2.3625E-04 3.1203E-05 0.0000E+00
S5 -2.4261E-03 1.2947E-04 -8.1107E-06 0.0000E+00
S6 -4.2877E-03 9.1868E-04 -4.1585E-05 0.0000E+00
S7 3.0983E-03 -4.3338E-04 7.2031E-05 -2.5516E-06
S8 2.0321E-03 -2.4382E-04 6.8994E-06 -3.5086E-07
S9 -1.0198E-03 -2.8819E-04 1.4404E-06 -2.2303E-06
S10 -1.7608E-03 -3.4673E-05 -6.1785E-06 2.7572E-07
TABLE 14
Fig. 14A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 7, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 14B shows an astigmatism curve of the optical imaging lens of embodiment 7, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 14C shows a distortion curve of the optical imaging lens of embodiment 7, which represents distortion magnitude values corresponding to different image heights. Fig. 14D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 7, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 14A to 14D, the optical imaging lens provided in embodiment 7 can achieve good imaging quality.
Example 8
An optical imaging lens according to embodiment 8 of the present application is described below with reference to fig. 15 to 16D. Fig. 15 shows a schematic structural diagram of an optical imaging lens according to embodiment 8 of the present application.
As shown in fig. 15, the optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a third lens E3, a stop STO, a fourth lens E4, a fifth lens E5, a filter E6, and an imaging surface S13.
The first lens element E1 has positive refractive power, wherein an object-side surface S1 thereof is convex, and an image-side surface S2 thereof is convex. The second lens element E2 has negative refractive power, wherein an object-side surface S3 thereof is concave and an image-side surface S4 thereof is convex. The third lens element E3 has negative refractive power, wherein an object-side surface S5 thereof is convex, and an image-side surface S6 thereof is concave. The fourth lens element E4 has positive refractive power, wherein an object-side surface S7 thereof is concave and an image-side surface S8 thereof is convex. The fifth lens element E5 has positive refractive power, wherein an object-side surface S9 thereof is convex, and an image-side surface S10 thereof is concave. The filter E6 has an object side surface S11 and an image side surface S12. Light from the object sequentially passes through the respective surfaces S1 to S12 and is finally imaged on the imaging surface S13.
Table 15 shows a basic parameter table of the optical imaging lens of example 8, in which the units of radius of curvature, thickness, and focal length are all millimeters (mm).
TABLE 15
In embodiment 8, the object side surface and the image side surface of each of the first lens element E1 and any of the second to fifth lens elements E2 to E5 are aspheric. The following Table 16 shows the higher order coefficients A 4、A6、A8 and A 10 that can be used for each of the aspherical mirrors S1-S10 in example 8.
Face number A4 A6 A8 A10
S1 -2.4006E-05 0.0000E+00 0.0000E+00 0.0000E+00
S2 1.3250E-03 -6.3286E-05 1.9103E-06 0.0000E+00
S3 5.9795E-04 -5.9960E-05 3.3706E-06 0.0000E+00
S4 1.4607E-03 -1.1137E-04 4.7445E-06 0.0000E+00
S5 -3.8495E-03 7.5021E-04 -3.4228E-05 0.0000E+00
S6 -3.1295E-03 4.7728E-04 3.3824E-05 0.0000E+00
S7 3.8843E-03 -9.0717E-04 1.0067E-04 -4.2520E-06
S8 5.9419E-03 -5.8805E-04 0.0000E+00 0.0000E+00
S9 -1.3038E-03 4.1530E-04 -9.0554E-05 4.9091E-06
S10 -5.1763E-03 1.0875E-03 -1.4826E-04 7.2644E-06
Table 16
Fig. 16A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 8, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 16B shows an astigmatism curve of the optical imaging lens of embodiment 8, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 16C shows a distortion curve of the optical imaging lens of embodiment 8, which represents distortion magnitude values corresponding to different image heights. Fig. 16D shows a magnification chromatic aberration curve of the optical imaging lens of embodiment 8, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 16A to 16D, the optical imaging lens provided in embodiment 8 can achieve good imaging quality.
Table 17 below shows the effective focal lengths f1 to f5 of the respective lenses of the optical imaging lenses described in the above-described embodiments 1 to 8, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, the half-diagonal length ImgH of the effective pixel area on the imaging surface, the maximum half-field angle Semi-FOV of the optical imaging lens, and the aperture value f/EPD of the optical imaging lens.
Basic data/embodiment 1 2 3 4 5 6 7 8
f1(mm) 7.40 6.85 6.85 8.05 6.83 7.50 7.19 7.13
f2(mm) -6.79 -12.41 -10.69 -20.03 -12.29 -15.39 -11.92 -11.88
f3(mm) -29.63 -9.96 -9.96 -8.34 -9.68 -6.91 -6.04 -8.45
f4(mm) 106.38 -460.82 -16345.71 115.42 -271.46 25.73 13.81 32.90
f5(mm) 26.27 33.35 24.61 27.58 30.73 36.62 41.82 34.80
f(mm) 22.98 23.49 23.49 23.49 23.50 23.50 23.49 23.50
TTL(mm) 22.30 22.98 22.74 22.52 22.87 23.02 22.74 23.00
ImgH(mm) 4.25 4.18 4.18 4.18 4.18 4.18 4.17 4.18
f/EPD 3.24 3.40 3.99 3.99 3.40 3.99 4.00 3.99
Semi-FOV(°) 10.3 10.0 10.0 10.0 10.0 10.0 10.0 10.0
TABLE 17
Table 18 below lists relevant parameters of the optical imaging lens according to various embodiments of the present application.
Condition/example 1 2 3 4 5 6 7 8
BFL/TTL 0.58 0.58 0.59 0.58 0.58 0.61 0.59 0.61
TTL/f 0.97 0.98 0.97 0.96 0.97 0.98 0.97 0.98
f2/f -0.30 -0.53 -0.46 -0.85 -0.52 -0.65 -0.51 -0.51
(f5-f1)/f 0.82 1.13 0.76 0.83 1.02 1.24 1.47 1.18
R1/R2 -0.84 -0.76 -0.77 -0.43 -0.72 -0.50 -0.56 -0.72
R2/R3 1.22 1.09 1.11 0.61 1.05 0.63 0.75 1.05
R6/f3 -0.11 -0.63 -0.47 -0.50 -0.63 -0.63 -0.58 -0.45
|(R8+R9)|/(R9-R8) 0.64 0.21 0.28 0.36 0.38 0.58 0.69 0.28
(CT2+CT3+CT4+CT5)/CT1 0.62 0.76 0.77 0.84 0.73 0.65 0.67 0.81
(T12+T23)/(T34+T45) 0.91 0.30 0.19 0.15 0.29 0.38 0.57 0.16
CT2/ET2 0.54 0.70 0.63 0.76 0.69 0.71 0.59 0.67
SAG32/SAG11 0.35 0.21 0.33 0.34 0.21 0.31 0.34 0.42
TABLE 18
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.

Claims (11)

1. An optical imaging lens, comprising, in order from an object side to an image side along an optical axis:
The first lens with positive focal power has a convex object side surface and a convex image side surface;
a second lens with negative focal power, the object side of which is a concave surface;
a third lens having negative optical power, the image-side surface of which is concave;
a fourth lens element with optical power, the image-side surface of which is convex; and
The object side surface of the fifth lens is a convex surface, the image side surface of the fifth lens is a concave surface, wherein,
The distance BFL between the image side surface of the fifth lens element and the imaging surface of the optical imaging lens element on the optical axis and the distance TTL between the object side surface of the first lens element and the imaging surface of the optical imaging lens element on the optical axis satisfy the following conditions: 0.58 BFL/TTL is more than or equal to 0.5;
the effective focal length f1 of the first lens, the effective focal length f5 of the fifth lens and the total effective focal length f of the optical imaging lens satisfy: 0.6< (f 5-f 1)/f <1.6;
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, the center thickness CT4 of the fourth lens on the optical axis, and the center thickness CT5 of the fifth lens on the optical axis satisfy: 0.5< (CT2+CT3+CT4+CT5)/CT 1<1;
The maximum half field angle Semi-FOV of the optical imaging lens meets the following conditions: semi-FOV <15 °; and
The number of lenses having optical power in the optical imaging lens is five.
2. The optical imaging lens as claimed in claim 1, wherein a distance TTL from an object side surface of the first lens to an imaging surface of the optical imaging lens on the optical axis and a total effective focal length f of the optical imaging lens satisfy:
0.96≤TTL/f<1。
3. The optical imaging lens of claim 1, wherein an effective focal length f2 of the second lens and a total effective focal length f of the optical imaging lens satisfy:
-1.2<f2/f<-0.2。
4. The optical imaging lens of claim 1, wherein a radius of curvature R1 of an object side surface of the first lens and a radius of curvature R2 of an image side surface of the first lens satisfy:
-1.2<R1/R2<-0.2。
5. The optical imaging lens of claim 1, wherein a radius of curvature R2 of an image side of the first lens and a radius of curvature R3 of an object side of the second lens satisfy:
0.5<R2/R3<1.5。
6. The optical imaging lens of claim 1, wherein a radius of curvature R6 of an image side surface of the third lens and an effective focal length f3 of the third lens satisfy:
-1<R6/f3<0。
7. The optical imaging lens of claim 1, wherein a radius of curvature R8 of an image side surface of the fourth lens and a radius of curvature R9 of an object side surface of the fifth lens satisfy:
0<|(R8+R9)|/(R9-R8)<1。
8. The optical imaging lens according to claim 1, wherein an air space T12 of the first lens and the second lens on the optical axis, an air space T23 of the second lens and the third lens on the optical axis, an air space T34 of the third lens and the fourth lens on the optical axis, and an air space T45 of the fourth lens and the fifth lens on the optical axis satisfy:
0.1<(T12+T23)/(T34+T45)<0.8。
9. The optical imaging lens according to claim 1, wherein a center thickness CT2 of the second lens on the optical axis and an edge thickness ET2 of the second lens satisfy:
0.5<CT2/ET2<1。
10. The optical imaging lens according to claim 1, wherein a projection distance SAG11 on the optical axis between an intersection point of the object side surface of the first lens and the optical axis and an effective radius vertex of the object side surface of the first lens, a projection distance SAG32 on the optical axis between an intersection point of the image side surface of the third lens and the optical axis and an effective radius vertex of the image side surface of the third lens satisfy: 0.1< SAG32/SAG11<0.6.
11. An electronic device, characterized in that it comprises an optical imaging lens according to any one of claims 1-10.
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Publication number Priority date Publication date Assignee Title
TWI769536B (en) 2020-09-28 2022-07-01 大立光電股份有限公司 Image lens assembly, imaging apparatus and electronic device
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102466865A (en) * 2010-11-15 2012-05-23 大立光电股份有限公司 Optical imaging lens group
JP2014160158A (en) * 2013-02-20 2014-09-04 Konica Minolta Inc Imaging lens, imaging apparatus, and portable terminal
JP2016018001A (en) * 2014-07-04 2016-02-01 カンタツ株式会社 Imaging lens
CN107765396A (en) * 2016-08-23 2018-03-06 大立光电股份有限公司 Photographic optical system microscope group, image-taking device and electronic installation
CN109683287A (en) * 2019-02-13 2019-04-26 浙江舜宇光学有限公司 Optical imaging lens
CN210015288U (en) * 2019-06-25 2020-02-04 浙江舜宇光学有限公司 Optical imaging lens and electronic device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101876743B (en) * 2009-04-30 2012-02-22 大立光电股份有限公司 Photographic lens group
CN101995641B (en) * 2009-08-24 2012-05-30 大立光电股份有限公司 Photographic lens system
CN105988200B (en) * 2015-03-02 2018-09-28 大立光电股份有限公司 Imaging system, image-taking device and electronic device
CN105511062B (en) * 2015-08-06 2017-09-29 厦门颉轩光电有限公司 A kind of optical imagery module
CN106970452B (en) * 2016-01-13 2019-05-07 大立光电股份有限公司 Imagery optical lens group, image-taking device and electronic device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102466865A (en) * 2010-11-15 2012-05-23 大立光电股份有限公司 Optical imaging lens group
JP2014160158A (en) * 2013-02-20 2014-09-04 Konica Minolta Inc Imaging lens, imaging apparatus, and portable terminal
JP2016018001A (en) * 2014-07-04 2016-02-01 カンタツ株式会社 Imaging lens
CN107765396A (en) * 2016-08-23 2018-03-06 大立光电股份有限公司 Photographic optical system microscope group, image-taking device and electronic installation
CN109683287A (en) * 2019-02-13 2019-04-26 浙江舜宇光学有限公司 Optical imaging lens
CN210015288U (en) * 2019-06-25 2020-02-04 浙江舜宇光学有限公司 Optical imaging lens and electronic device

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