CN112130293A - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
- Publication number
- CN112130293A CN112130293A CN202011179040.9A CN202011179040A CN112130293A CN 112130293 A CN112130293 A CN 112130293A CN 202011179040 A CN202011179040 A CN 202011179040A CN 112130293 A CN112130293 A CN 112130293A
- Authority
- CN
- China
- Prior art keywords
- lens
- optical imaging
- imaging lens
- optical
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The application discloses an optical imaging lens, include in order from object side to image side along the optical axis: the first lens with focal power, its object side is a concave surface, its image side is a convex surface; a second lens having an optical power; a third lens having a refractive power, an object-side surface of which is convex; a fourth lens having a negative refractive power, the object-side surface of which is convex; a fifth lens and a sixth lens having optical power; half of the Semi-FOV of the maximum field angle of the optical imaging lens satisfies: Semi-FOV is more than or equal to 61 degrees; the maximum effective radius DT11 of the object side surface of the first lens and the maximum effective radius DT52 of the image side surface of the fifth lens meet the following conditions: DT11/DT52 is less than or equal to 1.1. The object side surface of the first lens is a concave surface, the image side surface of the first lens is a convex surface, the object side surface of the third lens is a convex surface, the fourth lens is controlled to have negative focal power, and the object side surface of the third lens is a convex surface, so that the optical imaging lens has a larger field angle, the shooting visual field is wider, and a quite large clear range can be shown.
Description
Technical Field
The application relates to the field of optical elements, in particular to an optical imaging lens.
Background
In recent years, with the rapid development of portable electronic devices such as smart phones and tablet computers, the portable electronic devices are not only important communication devices in daily life, but also widely used in various camera shooting fields in daily life, so that the requirements of people on the camera shooting function of the portable electronic devices are increasing, especially when shooting objects with wide visual fields such as mountains and rivers. Under such circumstances, wide-angle lenses are becoming popular among manufacturers and consumers of mobile phones and the like.
Compared with a common lens, the wide-angle lens has the advantages that the depth of field is longer, clear imaging can be realized in a quite large range, the visual angle is larger, and a larger viewing range can be obtained in a limited range. In addition, the lens has stronger perspective, and the shot photos more emphasize the contrast between the close shot and the distant shot, thereby generating strong perspective effect in the depth direction.
Disclosure of Invention
The application provides a six-piece optical imaging lens with a large image plane, which has a large field angle, is wider in shooting visual field and can show a quite large definition range.
An aspect of the present application provides an optical imaging lens, in order from an object side to an image side along an optical axis, comprising:
the first lens with focal power, its object side is a concave surface, its image side is a convex surface;
a second lens having an optical power;
a third lens having a refractive power, an object-side surface of which is convex;
a fourth lens having a negative refractive power, the object-side surface of which is convex;
a fifth lens having optical power;
a sixth lens having optical power;
wherein, half of the Semi-FOV of the maximum field angle of the optical imaging lens satisfies: Semi-FOV is more than or equal to 61 degrees;
the maximum effective radius DT11 of the object side surface of the first lens and the maximum effective radius DT52 of the image side surface of the fifth lens meet the following conditions: DT11/DT52 is less than or equal to 1.1.
In one embodiment, the half length ImgH of the diagonal line of the effective pixel area on the imaging surface of the optical imaging lens, the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy: 1.3mm < ImgH × EPD/f <1.7 mm.
In one embodiment, the effective focal length f of the optical imaging lens and the effective focal length f4 of the fourth lens satisfy: -0.7< f/f4< 1.2.
In one embodiment, the maximum effective radius DT12 of the image-side surface of the first lens and the radius of curvature R2 of the image-side surface of the first lens satisfy: -1< DT12/R2< 0.
In one embodiment, the radius of curvature R5 of the object-side surface of the third lens, 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: 0< f3/(R5+ R6) < 0.6.
In one embodiment, the radius of curvature R1 of the object side surface of the first lens and the effective focal length f of the optical imaging lens satisfy: -1.2< R1/f < -0.8.
In one embodiment, an on-axis distance SAG52 between an intersection point of an image-side surface of the fifth lens and the optical axis to an effective radius vertex of the image-side surface of the fifth lens and an on-axis distance SAG51 between an intersection point of an object-side surface of the fifth lens and the optical axis to an effective radius vertex of the object-side surface of the fifth lens satisfy: 0< SAG52/(SAG52+ SAG51) < 0.7.
In one embodiment, the central thickness CT6 of the sixth lens on the optical axis and the air interval T56 of the fifth lens and the sixth lens on the optical axis satisfy: 0.2< T56/CT 6< 0.95.
In one embodiment, the central thickness CT6 of the sixth lens on the optical axis and the edge thickness ET6 of the sixth lens satisfy: 0.2< CT6/ET6< 0.8.
In one embodiment, the radius of curvature R7 of the object-side surface of the fourth lens and the effective focal length f4 of the fourth lens satisfy: -1.3< R7/f4< -0.2.
In one embodiment, the central thickness CT3 of the third lens on the optical axis and the central thickness CT5 of the fifth lens on the optical axis satisfy: 0.5< CT3/CT5< 1.8.
In one embodiment, an air interval T12 of the first lens and the second lens on the optical axis and an air interval T23 of the second lens and the third lens on the optical axis satisfy: 0< T12/T23< 0.7.
Another aspect of the present application provides an optical imaging lens, in order from an object side to an image side along an optical axis, comprising:
the first lens with focal power, its object side is a concave surface, its image side is a convex surface;
a second lens having an optical power;
a third lens having a refractive power, an object-side surface of which is convex;
a fourth lens having a negative refractive power, the object-side surface of which is convex;
a fifth lens having optical power;
a sixth lens having optical power;
wherein, half of the Semi-FOV of the maximum field angle of the optical imaging lens satisfies: Semi-FOV is more than or equal to 61 degrees;
half of the diagonal length ImgH of the effective pixel area on the imaging surface of the optical imaging lens, the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens meet the following conditions: 1.3mm < ImgH × EPD/f <1.7 mm.
In one embodiment, the effective focal length f of the optical imaging lens and the effective focal length f4 of the fourth lens satisfy: -0.7< f/f4< 1.2.
In one embodiment, the maximum effective radius DT12 of the image-side surface of the first lens and the radius of curvature R2 of the image-side surface of the first lens satisfy: -1< DT12/R2< 0.
In one embodiment, the radius of curvature R5 of the object-side surface of the third lens, 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: 0< f3/(R5+ R6) < 0.6.
In one embodiment, the radius of curvature R1 of the object side surface of the first lens and the effective focal length f of the optical imaging lens satisfy: -1.2< R1/f < -0.8.
In one embodiment, an on-axis distance SAG52 between an intersection point of an image-side surface of the fifth lens and the optical axis to an effective radius vertex of the image-side surface of the fifth lens and an on-axis distance SAG51 between an intersection point of an object-side surface of the fifth lens and the optical axis to an effective radius vertex of the object-side surface of the fifth lens satisfy: 0< SAG52/(SAG52+ SAG51) < 0.7.
In one embodiment, the central thickness CT6 of the sixth lens on the optical axis and the air interval T56 of the fifth lens and the sixth lens on the optical axis satisfy: 0.2< T56/CT 6< 0.95.
In one embodiment, the central thickness CT6 of the sixth lens on the optical axis and the edge thickness ET6 of the sixth lens satisfy: 0.2< CT6/ET6< 0.8.
In one embodiment, the radius of curvature R7 of the object-side surface of the fourth lens and the effective focal length f4 of the fourth lens satisfy: -1.3< R7/f4< -0.2.
In one embodiment, the central thickness CT3 of the third lens on the optical axis and the central thickness CT5 of the fifth lens on the optical axis satisfy: 0.5< CT3/CT5< 1.8.
In one embodiment, an air interval T12 of the first lens and the second lens on the optical axis and an air interval T23 of the second lens and the third lens on the optical axis satisfy: 0< T12/T23< 0.7.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 shows a schematic structural view of an optical imaging lens according to embodiment 1 of the present application;
fig. 2 shows on-axis chromatic aberration curves of an optical imaging lens according to embodiment 1 of the present application;
fig. 3 shows an astigmatism curve of an optical imaging lens according to embodiment 1 of the present application;
fig. 4 shows a distortion curve of an optical imaging lens according to embodiment 1 of the present application;
fig. 5 shows a chromatic aberration of magnification curve of an optical imaging lens according to embodiment 1 of the present application;
fig. 6 is a schematic structural view showing an optical imaging lens according to embodiment 2 of the present application;
fig. 7 shows on-axis chromatic aberration curves of an optical imaging lens according to embodiment 2 of the present application;
fig. 8 shows an astigmatism curve of an optical imaging lens according to embodiment 2 of the present application;
fig. 9 shows a distortion curve of an optical imaging lens according to embodiment 2 of the present application;
fig. 10 shows a chromatic aberration of magnification curve of an optical imaging lens according to embodiment 2 of the present application;
fig. 11 is a schematic structural view showing an optical imaging lens according to embodiment 3 of the present application;
fig. 12 shows on-axis chromatic aberration curves of an optical imaging lens according to embodiment 3 of the present application;
fig. 13 shows an astigmatism curve of an optical imaging lens according to embodiment 3 of the present application;
fig. 14 shows a distortion curve of an optical imaging lens according to embodiment 3 of the present application;
fig. 15 shows a chromatic aberration of magnification curve of an optical imaging lens according to embodiment 3 of the present application;
fig. 16 is a schematic structural view showing an optical imaging lens according to embodiment 4 of the present application;
fig. 17 shows on-axis chromatic aberration curves of an optical imaging lens according to embodiment 4 of the present application;
fig. 18 shows an astigmatism curve of an optical imaging lens according to embodiment 4 of the present application;
fig. 19 shows a distortion curve of an optical imaging lens according to embodiment 4 of the present application;
fig. 20 shows a chromatic aberration of magnification curve of an optical imaging lens according to embodiment 4 of the present application;
fig. 21 is a schematic structural view showing an optical imaging lens according to embodiment 5 of the present application;
fig. 22 shows on-axis chromatic aberration curves of an optical imaging lens according to embodiment 5 of the present application;
fig. 23 shows an astigmatism curve of an optical imaging lens according to embodiment 5 of the present application;
fig. 24 shows a distortion curve of an optical imaging lens according to embodiment 5 of the present application;
fig. 25 shows a chromatic aberration of magnification curve of an optical imaging lens according to embodiment 5 of the present application;
fig. 26 is a schematic structural view showing an optical imaging lens according to embodiment 6 of the present application;
fig. 27 shows on-axis chromatic aberration curves of an optical imaging lens according to embodiment 6 of the present application;
fig. 28 shows an astigmatism curve of an optical imaging lens according to embodiment 6 of the present application;
fig. 29 shows a distortion curve of an optical imaging lens according to embodiment 6 of the present application;
fig. 30 shows a chromatic aberration of magnification curve of an optical imaging lens according to embodiment 6 of the present application;
fig. 31 is a schematic structural view showing an optical imaging lens according to embodiment 7 of the present application;
fig. 32 shows on-axis chromatic aberration curves of an optical imaging lens according to embodiment 7 of the present application;
fig. 33 shows an astigmatism curve of an optical imaging lens according to embodiment 7 of the present application;
fig. 34 shows a distortion curve of an optical imaging lens according to embodiment 7 of the present application;
fig. 35 shows a chromatic aberration of magnification curve of an optical imaging lens according to embodiment 7 of the present application.
Detailed Description
For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification. The expression "and/or" includes any and all combinations of one or more of the associated listed items.
It should be noted that in this specification, the expressions first, second, third, etc. are used only to distinguish one feature from another, and do not represent any limitation on the features. Thus, the first lens discussed below may also be referred to as the second lens or the third lens without departing from the teachings of the present application.
In the drawings, the thickness, size, and shape of the lens have been slightly exaggerated for convenience of explanation. In particular, the shapes of the spherical or aspherical surfaces shown in the drawings are shown by way of example. That is, the shape of the spherical surface or the aspherical surface is not limited to the shape of the spherical surface or the aspherical surface shown in the drawings. The figures are purely diagrammatic and not drawn to scale.
It will be further understood that the terms "comprises," "comprising," "has," "having," "includes" 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. Moreover, when a statement such as "at least one of" appears after a list of listed features, the entirety of the listed features is modified rather than modifying individual elements in the list. Furthermore, when describing embodiments of the present application, the use of "may" mean "one or more embodiments of the present application. Also, the term "exemplary" is intended to refer to an example or illustration.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The features, principles, and other aspects of the present application are described in detail below.
An optical imaging lens according to an exemplary embodiment of the present application may include six lenses having optical powers, which are a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, respectively. The six lenses are arranged along the optical axis in sequence from the object side to the image side. Any adjacent two lenses of the first lens to the sixth lens can have a spacing distance therebetween.
In an exemplary embodiment, the first lens may have an optical power, a concave object-side surface, and a convex image-side surface; the second lens has focal power; the third lens has focal power, the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a convex surface; the fourth lens has negative focal power, the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has focal power, and the image side surface of the fifth lens is a convex surface; the sixth lens has focal power, and the object side surface of the sixth lens is a convex surface and the image side surface of the sixth lens is a concave surface.
The optical imaging lens according to the present application can satisfy: the Semi-FOV is more than or equal to 61 degrees, and DT11/DT52 is less than or equal to 1.1, wherein the Semi-FOV is half of the maximum field angle of the optical imaging lens, DT11 is the maximum effective radius of the object side surface of the first lens, and DT52 is the maximum effective radius of the image side surface of the fifth lens.
The utility model provides an optical imaging camera lens is the concave surface through the object side face that rationally sets up first lens, and the image side face is the convex surface, sets up the object side face of third lens and be the convex surface, control fourth lens for negative power and set up its object side face and be the convex surface, makes optical imaging camera lens have great angle of vision, shoots the field of vision wider, can demonstrate fairly big clear range.
The optical imaging lens according to the present application can satisfy: 1.3< ImgH × EPD/f <1.7, where ImgH is half of the diagonal length of the effective pixel area on the imaging surface of the optical imaging lens, f is the effective focal length of the optical imaging lens, and EPD is the entrance pupil diameter of the optical imaging lens.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy-0.7 < f/f4<1.2, where f is an effective focal length of the optical imaging lens, and f4 is an effective focal length of the fourth lens. By reasonably controlling the focal length of the fourth lens, the sensitivity of the fourth lens can be reduced.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: -1< DT12/R2<0, where DT12 is the maximum effective radius of the image-side surface of the first lens and R2 is the radius of curvature of the image-side surface of the first lens. The processing difficulty can be reduced by reasonably controlling the ratio of the maximum effective radius of the image side surface of the first lens to the curvature radius of the image side surface of the first lens in a reasonable range.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0< f3/(R5+ R6) <0.6, where R5 is a radius of curvature of an object-side surface of the third lens, R6 is a radius of curvature of an image-side surface of the third lens, and f3 is an effective focal length of the third lens. By reasonably controlling the curvature radius of the object side surface of the third lens, the curvature radius of the image side surface of the third lens and the effective focal length, the incidence and emergence angles of the off-axis field of view rays can be favorably controlled, and the matching performance with the photosensitive element and the band-pass filter is improved.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: -1.2< R1/f < -0.8, where R1 is the radius of curvature of the object-side surface of the first lens and f is the effective focal length of the optical imaging lens. The ratio of the curvature radius of the object side surface of the first lens and the effective focal length of the optical imaging lens is reasonably controlled in a reasonable range, so that the optical system can be better matched with the chip CRA.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0< SAG52/(SAG52+ SAG51) <0.7, where SAG52 is an on-axis distance between an intersection of an image-side surface of the fifth lens and the optical axis to a vertex of an effective radius of the image-side surface of the fifth lens, and SAG51 is an on-axis distance between an intersection of an object-side surface of the fifth lens and the optical axis to a vertex of an effective radius of the object-side surface of the fifth lens. Through controlling the axial distance between the intersection point of the image side surface of the fifth lens and the optical axis and the effective radius vertex of the image side surface of the fifth lens and the axial distance between the intersection point of the object side surface of the fifth lens and the optical axis and the effective radius vertex of the object side surface of the fifth lens, the fifth lens can be prevented from being excessively bent, the processing difficulty is reduced, and meanwhile, the optical imaging lens group is assembled to have higher stability.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0.2< T56/CT 6< 0.95, where CT6 is the central thickness of the sixth lens on the optical axis, and T56 is the air space between the fifth lens and the sixth lens on the optical axis. Through rational distribution optical imaging lens group air gap, can guarantee processing and equipment characteristic, avoid appearing the clearance undersize and lead to the assembling process front and back lens to interfere the scheduling problem. Meanwhile, the optical imaging lens is beneficial to slowing down light deflection, adjusting the field curvature of the optical imaging lens, reducing the sensitivity and further obtaining better imaging quality.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0.2< CT6/ET6<0.8, where CT6 is the central thickness of the sixth lens on the optical axis and ET6 is the edge thickness of the sixth lens. Through the ratio range of reasonable control CT6 and ET6, can reduce the processing degree of difficulty of lens, can reduce the chief ray simultaneously and incide the image plane with the angle of optical axis, promote the relative illuminance of image plane.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: -1.3< R7/f4< -0.2, wherein R7 is the radius of curvature of the object-side surface of the fourth lens, and f4 is the effective focal length of the fourth lens. By controlling the curvature radius and the effective focal length of the object side surface of the fourth lens, the incident angle of the light rays of the off-axis view field on the imaging surface can be controlled, and the matching performance with the photosensitive element and the band-pass filter can be improved.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0.5< CT3/CT5<1.8, where CT3 is the central thickness of the third lens on the optical axis and CT5 is the central thickness of the fifth lens on the optical axis. Through the central thickness of rational distribution third lens and the central thickness of fifth lens, can effectively reduce optical imaging lens rear end size and guarantee the camera lens miniaturization, help optical imaging lens's equipment.
In an exemplary embodiment, an optical imaging lens according to the present application may satisfy: 0< T12/T23<0.7, where T12 is an air space on the optical axis of the first lens and the second lens, and T23 is an air space on the optical axis of the second lens and the third lens. Through the ratio between the spacing distance on the axle of rational distribution first lens and second lens and the spacing distance on the axle of second lens and third lens, be favorable to promoting optical imaging camera lens assembly stability to and batch production's uniformity, be favorable to improving optical imaging camera lens's production yield.
In the embodiment of the present application, at least one of the mirror surfaces of each lens is an aspherical mirror surface, that is, at least one of the object-side surface of the first lens to the image-side surface of the sixth lens is an aspherical mirror surface. The aspheric lens is characterized in that: the curvature varies continuously from the center of the lens to the periphery of the lens. Unlike a spherical lens having a constant curvature from the center of the lens to the periphery of the lens, an aspherical lens has better curvature radius characteristics, and has advantages of improving distortion aberration and improving astigmatic aberration. After the aspheric lens is adopted, the aberration generated during imaging can be eliminated as much as possible, thereby improving the imaging quality. Optionally, at least one of an object-side surface and an image-side surface of each of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens is an aspheric mirror surface. Optionally, each of the first, second, third, fourth, fifth, and sixth lenses has an object-side surface and an image-side surface that are aspheric mirror surfaces.
However, it will be appreciated by those skilled in the art that the number of lenses constituting an optical imaging lens may be varied to achieve the various results and advantages described in the present specification without departing from the claimed subject matter. For example, although six lenses are exemplified in the embodiment, the optical imaging lens is not limited to including six lenses. The optical imaging lens may also include other numbers of lenses, if desired.
Specific examples of an optical imaging lens applicable to the above-described embodiments are further described below with reference to the drawings.
Example 1
An optical imaging lens according to embodiment 1 of the present application is described below with reference to fig. 1 to 5, respectively. Fig. 1 shows a schematic structural diagram of an optical imaging lens according to embodiment 1 of the present application.
As shown in fig. 1, the optical imaging lens includes, in order from an object side to an image side: a first lens E1, a second lens E2, a stop STO, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter E7, and an image forming surface S15.
The first lens element E1 has negative power, and has a concave object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a concave object-side surface S9 and a convex image-side surface S10. The sixth lens element E6 has negative power, and has a convex object-side surface S11 and a concave image-side surface S12. Filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
Table 1 shows a basic parameter table of the optical imaging lens of embodiment 1, in which the unit of the radius of curvature and the thickness/distance are both millimeters (mm).
TABLE 1
In the present example, the total length TTL of the optical imaging lens (i.e., the distance on the optical axis from the object side surface S1 of the first lens E1 to the imaging surface S15 of the optical imaging lens) is 3.63mm, and the half ImgH of the diagonal length of the effective pixel area on the imaging surface S15 of the optical imaging lens is 5.40 mm. The total effective focal length f of the optical imaging lens is 2.22mm, the half of the maximum field angle Semi-FOV of the optical imaging lens is 61 °, and the aperture value Fno is 2.28.
In embodiment 1, the object-side surface and the image-side surface of any one of the first lens E1 through the sixth lens E6 are aspheric surfaces, and the surface shape x of each aspheric lens can be defined by, but is not limited to, the following aspheric surface formula:
wherein x is the rise of the distance from the aspheric surface vertex to the aspheric surface vertex when the aspheric surface is at the position with the height of h along the optical axis direction; c is the paraxial curvature of the aspheric surface, c being 1/R (i.e., paraxial curvature c is the inverse of radius of curvature R in table 1 above); k is a conic coefficient; ai is the correction coefficient of the i-th order of the aspherical surface.
Table 2 below shows the high-order coefficient A of each of the aspherical mirror surfaces S1 to S12 used in example 14、A6、A8、A10、A12、A14、A16And A18、A20、A22、A24、A26And A28。
| Flour mark | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 5.0361E-01 | -6.5833E-01 | 7.6806E-01 | -7.0661E-01 | 4.9259E-01 | -2.5469E-01 | 9.5768E-02 |
| S2 | 7.6004E-01 | -1.4238E+00 | 2.0935E+00 | -2.2289E+00 | 1.6591E+00 | -8.6544E-01 | 3.1534E-01 |
| S3 | 2.6396E-01 | -6.8958E-01 | 2.8873E-01 | 7.8975E+00 | -3.9123E+01 | 1.1133E+02 | -2.1545E+02 |
| S4 | 1.1528E-01 | -2.4472E+00 | 5.0240E+01 | -5.3071E+02 | 3.5424E+03 | -1.5648E+04 | 4.6899E+04 |
| S5 | -2.1149E-01 | 6.9950E+00 | -1.4377E+02 | 1.7799E+03 | -1.4272E+04 | 7.6558E+04 | -2.7748E+05 |
| S6 | -1.0611E-01 | -2.0703E+00 | 2.6649E+01 | -1.8154E+02 | 8.0124E+02 | -2.4196E+03 | 5.0775E+03 |
| S7 | -8.2521E-02 | -1.2426E+00 | 7.8534E+00 | -2.5744E+01 | 5.5346E+01 | -8.2899E+01 | 8.7451E+01 |
| S8 | -2.2539E-01 | -5.5620E-01 | 3.5022E+00 | -9.4619E+00 | 1.6350E+01 | -1.9543E+01 | 1.6458E+01 |
| S9 | 1.8140E-01 | -4.1503E-01 | 6.6504E-01 | -7.2612E-01 | 5.0539E-01 | -2.0092E-01 | 2.5513E-02 |
| S10 | 3.8716E-01 | -5.8251E-01 | 6.9936E-01 | -4.3881E-01 | -5.7958E-03 | 2.3354E-01 | -1.9234E-01 |
| S11 | -1.2596E-02 | -5.2574E-01 | 9.5321E-01 | -9.1950E-01 | 5.5392E-01 | -2.2100E-01 | 6.0106E-02 |
| S12 | -4.5366E-01 | 3.7138E-01 | -2.0465E-01 | 7.7090E-02 | -2.0127E-02 | 3.6038E-03 | -4.1710E-04 |
| Flour mark | A18 | A20 | A22 | A24 | A26 | A28 |
| S1 | -2.5538E-02 | 4.6392E-03 | -5.3256E-04 | 3.2330E-05 | -4.0726E-07 | -2.5538E-02 |
| S2 | -7.8524E-02 | 1.2698E-02 | -1.1943E-03 | 4.8362E-05 | 1.7568E-07 | -7.8524E-02 |
| S3 | 2.8734E+02 | -2.5761E+02 | 1.4736E+02 | -4.8450E+01 | 6.9611E+00 | 2.8734E+02 |
| S4 | -9.5724E+04 | 1.3068E+05 | -1.1372E+05 | 5.6722E+04 | -1.2260E+04 | -9.5724E+04 |
| S5 | 6.7086E+05 | -1.0362E+06 | 9.2422E+05 | -3.6186E+05 | 0.0000E+00 | 6.7086E+05 |
| S6 | -7.3828E+03 | 7.2794E+03 | -4.6315E+03 | 1.7098E+03 | -2.7703E+02 | -7.3828E+03 |
| S7 | -6.4345E+01 | 3.2116E+01 | -1.0294E+01 | 1.8985E+00 | -1.5216E-01 | -6.4345E+01 |
| S8 | -9.7211E+00 | 3.9365E+00 | -1.0398E+00 | 1.6121E-01 | -1.1123E-02 | -9.7211E+00 |
| S9 | 1.5343E-02 | -8.9443E-03 | 2.1287E-03 | -2.5378E-04 | 1.2407E-05 | 1.5343E-02 |
| S10 | 8.2861E-02 | -2.1642E-02 | 3.4474E-03 | -3.0924E-04 | 1.2006E-05 | 8.2861E-02 |
| S11 | -1.1224E-02 | 1.4180E-03 | -1.1592E-04 | 5.5369E-06 | -1.1737E-07 | -1.1224E-02 |
| S12 | 2.5219E-05 | 2.5282E-07 | -1.6364E-07 | 1.0969E-08 | -2.5454E-10 | 2.5219E-05 |
TABLE 2
Fig. 2 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 1, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 3 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 1. Fig. 4 shows distortion curves of the optical imaging lens of embodiment 1, which represent distortion magnitude values corresponding to different image heights. Fig. 5 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 1, which represents a deviation of different image heights on an imaging surface after light passes through the lens. As can be seen from fig. 2 to 5, the optical imaging lens according to 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. 6 to 10, respectively. Fig. 6 shows a schematic structural diagram of an optical imaging lens according to embodiment 2 of the present application.
As shown in fig. 6, the optical imaging lens includes, in order from an object side to an image side: a first lens E1, a second lens E2, a stop STO, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
The first lens element E1 has negative power, and has a concave object-side surface S1 and a convex image-side surface S2. The second lens element E2 has positive power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a concave object-side surface S9 and a convex image-side surface S10. The sixth lens element E6 has negative power, and has a convex object-side surface S11 and a concave image-side surface S12. Filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
Table 3 shows a basic parameter table of the optical imaging lens of embodiment 2, in which the unit of the radius of curvature and the thickness/distance are both millimeters (mm).
TABLE 3
Table 4 below shows the high-order coefficient A of each of the aspherical mirror surfaces S1-S12 used in example 24、A6、A8、A10、A12、A14、A16、A18、A20、A22、A24、A26、A28And A30。
| Flour mark | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 1.2938E+00 | -2.9154E-01 | 7.8283E-02 | -2.9467E-02 | 1.2224E-02 | -5.1929E-03 | 2.1057E-03 |
| S2 | 7.0464E-01 | -2.0496E-01 | 5.0976E-02 | -1.0132E-02 | 3.1706E-03 | -2.4610E-03 | 1.2246E-03 |
| S3 | 8.9779E-02 | -1.8037E-02 | 7.4714E-04 | -2.6514E-04 | 6.6936E-04 | -3.5798E-04 | -7.9761E-05 |
| S4 | 8.6474E-02 | 1.3578E-02 | 3.9996E-03 | 1.1349E-03 | 4.0815E-04 | -1.6344E-04 | -7.0601E-05 |
| S5 | -9.4808E-03 | -2.2787E-03 | 1.3958E-04 | 1.6435E-04 | 9.7416E-05 | 9.5563E-06 | -1.2048E-05 |
| S6 | -6.4924E-02 | -1.4397E-02 | -3.7019E-03 | 1.3162E-04 | 9.4312E-05 | 3.0312E-04 | 3.2349E-04 |
| S7 | -2.3189E-01 | 1.1404E-02 | -6.4031E-03 | 5.0372E-03 | -4.4223E-04 | 2.5818E-04 | -5.0679E-05 |
| S8 | -1.6008E-01 | 2.9279E-02 | -1.0893E-02 | 4.9284E-03 | -1.5054E-03 | 3.8842E-04 | -3.0770E-05 |
| S9 | 1.5265E-01 | -2.5032E-02 | 4.2706E-03 | -2.0895E-03 | 8.0980E-04 | 3.2180E-04 | -1.7180E-04 |
| S10 | 1.2148E-01 | 9.5063E-02 | -4.9471E-02 | 1.6765E-02 | -7.1552E-03 | 3.1596E-03 | -5.9156E-04 |
| S11 | -2.6067E+00 | 6.5403E-01 | -1.2519E-01 | 2.4658E-02 | -2.2843E-02 | 1.4302E-02 | -1.4605E-03 |
| S12 | -1.2068E+00 | -1.0316E-02 | 4.9548E-02 | -6.8369E-03 | 2.3220E-02 | -1.8097E-02 | 8.7904E-03 |
| Flour mark | A18 | A20 | A22 | A24 | A26 | A28 | A30 |
| S1 | -8.7576E-04 | 4.3200E-04 | -1.3963E-04 | 5.0287E-05 | -2.2026E-05 | -6.9075E-06 | 6.0943E-06 |
| S2 | -1.7261E-04 | -1.3449E-05 | -5.5218E-05 | 3.0370E-05 | -7.1992E-06 | 5.9663E-06 | -1.5328E-06 |
| S3 | -1.9219E-05 | 3.6976E-05 | 2.6352E-06 | 4.5159E-06 | -1.5906E-06 | -4.7658E-06 | 1.4102E-06 |
| S4 | -1.0833E-04 | -4.7010E-05 | -6.5542E-05 | -3.0262E-05 | -3.4563E-05 | -1.0027E-05 | -8.2945E-06 |
| S5 | -1.3102E-05 | -3.2773E-06 | -1.6973E-06 | 1.8884E-07 | -5.9945E-07 | 1.7697E-06 | -4.2644E-07 |
| S6 | 1.0049E-04 | 8.1490E-05 | 5.7048E-08 | 8.1195E-06 | -1.6889E-05 | -3.4453E-06 | -1.1391E-05 |
| S7 | -1.1626E-04 | -3.3272E-05 | -3.3212E-05 | 4.7948E-06 | -2.9759E-06 | 1.0061E-05 | -8.2588E-07 |
| S8 | -9.6337E-05 | 1.2088E-05 | -2.2707E-05 | 1.2908E-05 | 2.8576E-06 | 1.2697E-05 | 1.8387E-07 |
| S9 | -3.8835E-04 | -3.0383E-06 | -6.1221E-05 | -7.8703E-05 | -3.0939E-05 | -1.1767E-04 | -2.4069E-05 |
| S10 | -6.6125E-04 | -2.2475E-04 | 5.9084E-04 | -2.1828E-04 | 1.6303E-04 | -1.2885E-04 | -1.0807E-04 |
| S11 | -1.7278E-03 | -6.3931E-04 | 1.8732E-03 | -2.1488E-05 | 7.4745E-04 | -7.4117E-04 | 4.3334E-04 |
| S12 | -7.6294E-03 | 6.1076E-03 | -3.1160E-03 | 4.6966E-04 | -1.4088E-03 | -5.4794E-04 | -9.6389E-04 |
TABLE 4
Fig. 7 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 2, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 8 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 2. Fig. 9 shows distortion curves of the optical imaging lens of embodiment 2, which represent distortion magnitude values corresponding to different image heights. Fig. 10 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 2, which represents the deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 7 to 10, the optical imaging lens according to 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. 11 to 15, respectively. Fig. 11 shows a schematic structural view of an optical imaging lens according to embodiment 3 of the present application.
As shown in fig. 11, the optical imaging lens includes, in order from an object side to an image side: a first lens E1, a second lens E2, a stop STO, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter E7, and an image forming surface S15.
The first lens element E1 has negative power, and has a concave object-side surface S1 and a convex image-side surface S2. The second lens element E2 has positive power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has negative power, and has a concave object-side surface S9 and a convex image-side surface S10. The sixth lens element E6 has positive power, and has a convex object-side surface S11 and a concave image-side surface S12. Filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
Table 5 shows a basic parameter table of the optical imaging lens of embodiment 3, in which the unit of the radius of curvature and the thickness/distance are both millimeters (mm).
| Flour mark | Surface type | Radius of curvature | Thickness of | Refractive index/Abbe number | Coefficient of cone |
| OBJ | Spherical surface | All-round | All-round | ||
| S1 | Aspherical surface | -1.9850 | 0.4796 | 1.55/56.11 | -2.9724 |
| S2 | Aspherical surface | -4.6266 | 0.2666 | -7.2137 | |
| S3 | Aspherical surface | 1.7390 | 0.3157 | 1.65/23.53 | -2.7627 |
| S4 | Aspherical surface | 1.9565 | 0.4465 | -0.7474 | |
| STO | Spherical surface | All-round | 0.0482 | ||
| S5 | Aspherical surface | 5.2762 | 0.7843 | 1.55/56.11 | -63.1496 |
| S6 | Aspherical surface | -1.1956 | 0.0375 | -0.0185 | |
| S7 | Aspherical surface | 2.8791 | 0.2454 | 1.68/19.25 | -20.9528 |
| S8 | Aspherical surface | 1.7041 | 0.5675 | -6.4085 | |
| S9 | Aspherical surface | -4.7439 | 0.4675 | 1.55/56.11 | -15.5043 |
| S10 | Aspherical surface | -5.9406 | 0.3139 | 1.6319 | |
| S11 | Aspherical surface | 1.2639 | 0.6530 | 1.62/25.92 | -1.0945 |
| S12 | Aspherical surface | 1.1531 | 0.4694 | -7.5462 | |
| S13 | Spherical surface | All-round | 0.1100 | 1.52/64.20 | |
| S14 | Spherical surface | All-round | 0.0500 | ||
| S15 | Spherical surface | All-round | All-round |
TABLE 5
Table 6 below shows the high-order coefficient A of each of the aspherical mirror surfaces S1-S12 used in example 34、A6、A8、A10、A12、A14、A16、A18、A20、A22、A24、A26、A28And A30。
| Flour mark | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 1.3205E+00 | -2.8621E-01 | 7.8850E-02 | -2.8872E-02 | 1.2597E-02 | -5.1737E-03 | 2.0389E-03 |
| S2 | 7.2213E-01 | -1.9854E-01 | 5.1067E-02 | -9.5509E-03 | 3.1517E-03 | -2.5114E-03 | 1.2475E-03 |
| S3 | 7.1800E-02 | -1.7500E-02 | 2.9236E-03 | 7.2292E-04 | 6.5715E-04 | -3.9565E-04 | -4.8152E-05 |
| S4 | 7.9217E-02 | 1.4249E-02 | 5.1444E-03 | 1.7816E-03 | 4.3317E-04 | -4.2721E-04 | -4.6476E-04 |
| S5 | -3.6209E-03 | -4.4447E-03 | -2.5495E-04 | 2.5752E-05 | 8.3985E-05 | -2.3283E-06 | 1.3406E-05 |
| S6 | -5.6790E-02 | -1.1213E-02 | -9.7395E-03 | 1.0370E-03 | -4.2121E-05 | 1.2286E-03 | 4.6067E-04 |
| S7 | -2.5424E-01 | 1.0837E-02 | -7.3409E-03 | 7.4485E-03 | -9.7405E-04 | 2.9238E-04 | -7.9191E-04 |
| S8 | -1.5969E-01 | 3.5773E-02 | -9.2768E-03 | 3.9724E-03 | -2.2134E-03 | 1.7946E-04 | 5.4160E-05 |
| S9 | 1.3761E-01 | -4.7104E-02 | 3.6195E-02 | -5.6079E-04 | -4.0228E-03 | 1.0556E-03 | -5.4376E-04 |
| S10 | 5.4726E-02 | 8.3477E-02 | -4.6826E-02 | 3.4090E-02 | -1.8081E-02 | 1.0070E-02 | -2.8430E-03 |
| S11 | -2.6801E+00 | 6.5987E-01 | -1.4713E-01 | 2.5339E-02 | -1.4939E-02 | 6.0971E-03 | 1.2639E-03 |
| S12 | -1.4696E+00 | 3.6406E-02 | -2.6601E-02 | -2.5676E-02 | -1.0123E-02 | -2.5115E-02 | 5.3328E-03 |
| Flour mark | A18 | A20 | A22 | A24 | A26 | A28 | A30 |
| S1 | -9.3396E-04 | 4.4605E-04 | -1.4428E-04 | 5.5963E-05 | -3.2628E-05 | 1.2942E-06 | 2.7704E-06 |
| S2 | -2.4044E-04 | -2.1386E-05 | -4.0313E-05 | 2.4272E-05 | -4.3127E-06 | 4.2451E-06 | -1.2397E-06 |
| S3 | -9.0984E-06 | 3.5075E-05 | -1.3502E-05 | 4.2241E-06 | -8.6868E-06 | 8.9927E-07 | 8.2208E-07 |
| S4 | -4.7392E-04 | -3.3307E-04 | -2.6011E-04 | -1.4936E-04 | -9.9559E-05 | -4.1195E-05 | -2.0787E-05 |
| S5 | 2.1660E-05 | 4.4938E-05 | 4.5516E-05 | 4.4459E-05 | 2.8540E-05 | 1.8305E-05 | 4.1763E-06 |
| S6 | 2.1384E-04 | -8.2615E-05 | -1.4516E-04 | -1.5703E-04 | -1.2905E-04 | -7.1489E-05 | -3.5934E-05 |
| S7 | -1.0631E-05 | 8.8817E-05 | 3.4762E-04 | 2.0614E-04 | 1.2734E-04 | 2.8026E-05 | 5.9785E-06 |
| S8 | 1.6507E-04 | 1.4691E-04 | -1.8954E-05 | -9.2666E-05 | -8.3998E-05 | -3.9901E-05 | -1.2992E-05 |
| S9 | 4.4851E-04 | 2.2954E-05 | -2.8497E-04 | -3.4050E-04 | 2.7767E-05 | 4.8934E-05 | 6.5032E-05 |
| S10 | 3.1971E-04 | 3.8585E-04 | 7.4861E-04 | -1.1738E-04 | 2.6715E-04 | 3.4921E-05 | 6.2488E-05 |
| S11 | -1.1431E-03 | -6.7755E-04 | 6.4815E-04 | 2.6130E-04 | -5.4617E-05 | -2.3474E-04 | 8.5616E-05 |
| S12 | -9.9679E-03 | 4.4641E-03 | -4.7746E-03 | 2.2376E-03 | -9.5937E-04 | 2.1567E-03 | -2.5881E-04 |
TABLE 6
Fig. 12 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 3, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 13 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 3. Fig. 14 shows distortion curves of the optical imaging lens of embodiment 3, which represent distortion magnitude values corresponding to different image heights. Fig. 15 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 3, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 12 to 15, the optical imaging lens according to 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. 16 to 20, respectively. Fig. 16 is a schematic structural view showing an optical imaging lens according to embodiment 4 of the present application.
As shown in fig. 16, the optical imaging lens includes, in order from an object side to an image side: a first lens E1, a second lens E2, a stop STO, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter E7, and an image forming surface S15.
The first lens element E1 has positive power, and has a concave object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a concave object-side surface S9 and a convex image-side surface S10. The sixth lens element E6 has negative power, and has a convex object-side surface S11 and a concave image-side surface S12. Filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
Table 7 shows a basic parameter table of the optical imaging lens of embodiment 4, in which the unit of the radius of curvature and the thickness/distance are both millimeters (mm).
| Flour mark | Surface type | Radius of curvature | Thickness of | Refractive index/Abbe number | Coefficient of cone |
| OBJ | Spherical surface | All-round | All-round | ||
| S1 | Aspherical surface | -1.8835 | 0.4683 | 1.55/56.11 | -0.4321 |
| S2 | Aspherical surface | -1.9728 | 0.1633 | -6.3880 | |
| S3 | Aspherical surface | 3.5589 | 0.2500 | 1.65/23.53 | -1.1995 |
| S4 | Aspherical surface | 2.2138 | 0.4415 | 0.4263 | |
| STO | Spherical surface | All-round | 0.0600 | ||
| S5 | Aspherical surface | 7.5063 | 0.7438 | 1.55/56.11 | 25.4714 |
| S6 | Aspherical surface | -1.3092 | 0.0703 | 0.0416 | |
| S7 | Aspherical surface | 4.3173 | 0.2545 | 1.68/19.25 | -46.2282 |
| S8 | Aspherical surface | 2.0795 | 0.4907 | -6.3274 | |
| S9 | Aspherical surface | -5.5816 | 0.7071 | 1.55/56.11 | -29.5921 |
| S10 | Aspherical surface | -1.3164 | 0.2495 | -5.9988 | |
| S11 | Aspherical surface | 1.7862 | 0.4948 | 1.62/25.92 | -1.0029 |
| S12 | Aspherical surface | 1.0197 | 0.6544 | -18.4916 | |
| S13 | Spherical surface | All-round | 0.1100 | 1.52/64.20 | |
| S14 | Spherical surface | All-round | 0.0600 | ||
| S15 | Spherical surface | All-round | All-round |
TABLE 7
Table 8 below shows the high-order coefficient A of each of the aspherical mirror surfaces S1-S12 used in example 44、A6、A8、A10、A12、A14、A16、A18、A20、A22、A24、A26、A28And A30。
| Flour mark | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.0678E+00 | -3.3100E-01 | 9.5266E-02 | -3.3770E-02 | 1.4807E-02 | -6.7608E-03 | 2.8230E-03 |
| S2 | 9.7130E-01 | -2.9841E-01 | 8.8455E-02 | -2.4347E-02 | 8.3999E-03 | -5.5030E-03 | 3.8364E-03 |
| S3 | 2.3360E-01 | -5.0284E-02 | 8.4012E-03 | -4.4392E-03 | 2.4306E-03 | -1.3438E-03 | 2.5523E-04 |
| S4 | 9.9030E-02 | 1.0577E-02 | 4.3844E-03 | 2.4325E-04 | 7.1924E-04 | -2.5176E-04 | 6.0019E-05 |
| S5 | -1.5672E-02 | -1.9901E-03 | -4.7122E-05 | 1.9407E-04 | 8.4046E-05 | 2.6637E-05 | -2.0761E-05 |
| S6 | -3.8593E-02 | -1.3073E-02 | -4.1112E-03 | -4.4734E-04 | -1.8415E-06 | 2.6564E-04 | 2.8713E-04 |
| S7 | -1.6826E-01 | 1.8547E-03 | -4.1296E-03 | 3.3159E-03 | 1.7364E-04 | 2.3657E-04 | 4.0840E-06 |
| S8 | -1.4656E-01 | 2.4269E-02 | -8.6521E-03 | 3.5147E-03 | -5.9976E-04 | 1.2717E-04 | 6.8822E-05 |
| S9 | 1.4080E-01 | -2.4103E-02 | 3.6089E-03 | -1.6989E-03 | 1.0557E-03 | 4.7079E-04 | -2.9124E-04 |
| S10 | 6.6042E-02 | 1.1511E-01 | -5.6737E-02 | 2.1723E-02 | -8.7750E-03 | 3.9635E-03 | -1.4432E-04 |
| S11 | -2.6743E+00 | 6.5082E-01 | -1.2237E-01 | 2.7521E-02 | -2.7691E-02 | 1.2407E-02 | 3.0402E-03 |
| S12 | -8.6982E-01 | -2.0765E-01 | 1.2645E-01 | -5.7636E-02 | 5.6285E-02 | -4.6618E-02 | 1.6825E-02 |
| Flour mark | A18 | A20 | A22 | A24 | A26 | A28 | A30 |
| S1 | -8.8953E-04 | 7.1944E-04 | -1.8203E-04 | 4.0386E-05 | 5.0072E-05 | 5.3782E-05 | 6.3154E-05 |
| S2 | -1.5053E-03 | 3.0774E-04 | -1.5729E-04 | 1.7379E-04 | -6.8197E-05 | -3.7625E-05 | -1.7655E-05 |
| S3 | -1.1649E-04 | 1.1424E-04 | -6.3134E-06 | -5.2913E-06 | -2.5770E-05 | -6.0297E-06 | 8.4428E-06 |
| S4 | -9.9723E-05 | 9.7480E-06 | -2.5089E-05 | 1.1510E-05 | -1.4826E-05 | -5.8779E-06 | -1.4741E-05 |
| S5 | -9.7870E-06 | -9.0130E-06 | 2.4138E-06 | 1.1063E-06 | 4.2093E-06 | -8.2062E-07 | 1.4838E-06 |
| S6 | 2.6486E-05 | 4.5175E-05 | -2.2973E-05 | -1.4165E-05 | -2.3933E-05 | -1.5133E-05 | -1.9004E-05 |
| S7 | -2.7357E-04 | -3.2734E-05 | -3.7438E-06 | 4.9847E-05 | 8.1768E-06 | 1.6535E-06 | -8.9131E-06 |
| S8 | -1.6431E-04 | 6.6462E-05 | 3.6885E-05 | 4.2259E-05 | 1.9405E-05 | 8.9476E-06 | 5.7871E-06 |
| S9 | -2.9142E-04 | 8.5371E-05 | -7.8879E-05 | -1.4086E-04 | -1.8385E-06 | -7.3833E-05 | -9.1049E-05 |
| S10 | -1.2373E-03 | 1.5025E-04 | 3.9220E-04 | -3.3898E-04 | -1.5541E-04 | 3.0903E-04 | -2.5689E-04 |
| S11 | -1.7600E-03 | -1.5123E-04 | 1.4923E-03 | -2.6881E-04 | 1.0378E-03 | -3.2779E-04 | 4.2319E-04 |
| S12 | -1.9440E-02 | 1.3802E-02 | -9.7798E-03 | 3.9096E-03 | -1.9795E-03 | 2.0296E-03 | -2.7784E-03 |
TABLE 8
Fig. 17 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 4, which represent the convergent focus deviations of light rays of different wavelengths after passing through the lens. Fig. 18 shows an astigmatism curve representing a meridional field curvature and a sagittal field curvature of the optical imaging lens of embodiment 4. Fig. 19 shows distortion curves of the optical imaging lens of embodiment 4, which represent distortion magnitude values corresponding to different image heights. Fig. 20 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 4, which represents the deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 17 to 20, the optical imaging lens according to 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. 21 to 25, respectively. Fig. 21 is a schematic structural view showing an optical imaging lens according to embodiment 5 of the present application.
As shown in fig. 21, the optical imaging lens includes, in order from an object side to an image side: a first lens E1, a second lens E2, a stop STO, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter E7, and an image forming surface S15.
The first lens element E1 has positive power, and has a concave object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a concave object-side surface S9 and a convex image-side surface S10. The sixth lens element E6 has positive power, and has a convex object-side surface S11 and a concave image-side surface S12. Filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
Table 9 shows a basic parameter table of the optical imaging lens of embodiment 5, in which the unit of the radius of curvature and the thickness/distance are both millimeters (mm).
TABLE 9
Table 10 below shows the high-order coefficient A of each of the aspherical mirror surfaces S1-S12 used in example 54、A6、A8、A10、A12、A14、A16、A18、A20、A22、A24、A26、A28And A30。
| Flour mark | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.0571E+00 | -3.3008E-01 | 9.5918E-02 | -3.4276E-02 | 1.5724E-02 | -7.9900E-03 | 3.3686E-03 |
| S2 | 9.7169E-01 | -2.9697E-01 | 8.9639E-02 | -2.4434E-02 | 7.9112E-03 | -5.5087E-03 | 4.5339E-03 |
| S3 | 2.3363E-01 | -5.1024E-02 | 6.6842E-03 | -3.3534E-03 | 2.3583E-03 | -1.3352E-03 | 4.2385E-04 |
| S4 | 1.0118E-01 | 1.0485E-02 | 4.3522E-03 | 3.9364E-04 | 8.3901E-04 | -1.4654E-04 | 2.2187E-04 |
| S5 | -1.6136E-02 | -2.2824E-03 | -2.3447E-05 | 1.2717E-04 | 9.2885E-05 | 1.7001E-05 | -4.1932E-06 |
| S6 | -3.9329E-02 | -1.3913E-02 | -3.9686E-03 | -7.3750E-04 | 1.0018E-04 | 2.2982E-04 | 3.4252E-04 |
| S7 | -1.6607E-01 | 3.4075E-03 | -4.0106E-03 | 3.4968E-03 | 1.7716E-05 | 3.4016E-04 | -6.0774E-05 |
| S8 | -1.4760E-01 | 2.3654E-02 | -8.6510E-03 | 3.3700E-03 | -6.1255E-04 | 9.1666E-05 | 2.4297E-05 |
| S9 | 1.3400E-01 | -2.5457E-02 | 2.7825E-03 | -1.1916E-03 | 1.2552E-03 | 1.0241E-03 | -6.0536E-05 |
| S10 | 6.8234E-02 | 1.1832E-01 | -5.6013E-02 | 2.4561E-02 | -1.0406E-02 | 5.2949E-03 | -2.7910E-04 |
| S11 | -2.6815E+00 | 6.4922E-01 | -1.1807E-01 | 2.4334E-02 | -2.6009E-02 | 6.7027E-03 | 6.2460E-03 |
| S12 | -8.7184E-01 | -1.6649E-01 | 1.1750E-01 | -5.9247E-02 | 5.4379E-02 | -4.5530E-02 | 2.5165E-02 |
| Flour mark | A18 | A20 | A22 | A24 | A26 | A28 | A30 |
| S1 | -1.7431E-03 | 9.1235E-04 | -3.9074E-04 | 2.6811E-04 | -1.2700E-04 | 2.0584E-05 | -4.9728E-05 |
| S2 | -2.0607E-03 | 9.0298E-04 | -2.8634E-04 | 1.6883E-04 | -1.5295E-04 | 1.1510E-04 | -1.4416E-05 |
| S3 | -1.6441E-04 | 1.1623E-04 | -6.1513E-05 | 1.3069E-05 | -2.0683E-06 | 6.5231E-06 | 2.7110E-06 |
| S4 | -5.2223E-05 | 9.2636E-05 | -2.5242E-05 | 2.5094E-05 | -2.4154E-05 | 8.1657E-06 | -1.0432E-05 |
| S5 | -6.6068E-06 | 3.0200E-06 | -2.4932E-07 | 1.5523E-06 | -1.3915E-06 | -7.1685E-07 | 4.7489E-07 |
| S6 | -6.1806E-06 | 1.0797E-04 | -5.4650E-05 | 2.4299E-06 | -2.3246E-05 | 9.1603E-06 | -6.9659E-06 |
| S7 | -3.1908E-04 | 1.0121E-05 | -6.8632E-05 | 3.7262E-05 | 1.1603E-05 | 1.8469E-05 | 1.9280E-06 |
| S8 | -2.7639E-04 | 9.3145E-05 | -4.7179E-05 | 3.0724E-05 | 1.2545E-05 | 7.1361E-06 | 7.7851E-06 |
| S9 | -9.2952E-05 | 1.8639E-04 | -7.9849E-05 | -1.4366E-04 | -4.0225E-05 | -1.8453E-05 | -3.2721E-05 |
| S10 | -1.3844E-03 | 2.6449E-04 | 2.7884E-04 | -4.7524E-04 | -2.5295E-04 | 1.0103E-04 | -1.3601E-04 |
| S11 | -5.1530E-03 | 4.0955E-04 | 1.1706E-03 | -1.6976E-03 | 1.9360E-03 | -1.2651E-03 | 3.9165E-04 |
| S12 | -2.3330E-02 | 1.2778E-02 | -5.3829E-03 | 3.1883E-03 | -1.3650E-03 | -9.6705E-04 | 6.5443E-04 |
Fig. 22 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 5, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 23 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 5. Fig. 24 shows distortion curves of the optical imaging lens of embodiment 5, which represent distortion magnitude values corresponding to different image heights. Fig. 25 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 5, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 22 to 25, the optical imaging lens according to 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. 26 to 30, respectively. Fig. 26 is a schematic structural view showing an optical imaging lens according to embodiment 6 of the present application.
As shown in fig. 26, the optical imaging lens, in order from an object side to an image side, comprises: a first lens E1, a second lens E2, a stop STO, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter E7, and an image forming surface S15.
The first lens element E1 has negative power, and has a concave object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a convex object-side surface S9 and a convex image-side surface S10. The sixth lens element E6 has negative power, and has a convex object-side surface S11 and a concave image-side surface S12. Filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
Table 11 shows a basic parameter table of the optical imaging lens of embodiment 6, in which the units of the radius of curvature and the thickness/distance are both millimeters (mm).
| Flour mark | Surface type | Radius of curvature | Thickness of | Refractive index/Abbe number | Coefficient of cone |
| OBJ | Spherical surface | All-round | All-round | ||
| S1 | Aspherical surface | -1.8761 | 0.4393 | 1.55/56.11 | -0.4239 |
| S2 | Aspherical surface | -2.1626 | 0.1783 | -6.3037 | |
| S3 | Aspherical surface | 3.2918 | 0.2000 | 1.65/23.53 | -0.6768 |
| S4 | Aspherical surface | 2.2659 | 0.4476 | 1.6777 | |
| STO | Spherical surface | All-round | 0.0524 | ||
| S5 | Aspherical surface | 6.6835 | 0.7452 | 1.55/56.11 | 21.6165 |
| S6 | Aspherical surface | -1.3512 | 0.0476 | 0.0574 | |
| S7 | Aspherical surface | 6.5882 | 0.2369 | 1.68/19.25 | -53.3521 |
| S8 | Aspherical surface | 2.4599 | 0.5159 | -6.6753 | |
| S9 | Aspherical surface | 100.0000 | 0.7608 | 1.55/56.11 | -99.0000 |
| S10 | Aspherical surface | -1.6411 | 0.2695 | -6.6893 | |
| S11 | Aspherical surface | 1.7375 | 0.4779 | 1.62/25.92 | -1.0072 |
| S12 | Aspherical surface | 1.0115 | 0.6454 | -12.1328 | |
| S13 | Spherical surface | All-round | 0.1100 | 1.52/64.20 | |
| S14 | Spherical surface | All-round | 0.0511 | ||
| S15 | Spherical surface | All-round | All-round |
TABLE 11
Table 12 below shows the high-order coefficient A of each of the aspherical mirror surfaces S1-S12 used in example 64、A6、A8、A10、A12、A14、A16、A18、A20、A22、A24、A26、A28And A30。
| Flour mark | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.0398E+00 | -3.3307E-01 | 9.9849E-02 | -3.3855E-02 | 1.5028E-02 | -7.2145E-03 | 3.2291E-03 |
| S2 | 9.7177E-01 | -2.9502E-01 | 8.9781E-02 | -2.4626E-02 | 7.8100E-03 | -4.7166E-03 | 3.7979E-03 |
| S3 | 2.3575E-01 | -4.9556E-02 | 5.3906E-03 | -3.8530E-03 | 2.4630E-03 | -1.4323E-03 | 5.3734E-04 |
| S4 | 1.0696E-01 | 9.6918E-03 | 3.6055E-03 | -7.1415E-05 | 7.7244E-04 | -2.4151E-04 | 1.4328E-04 |
| S5 | -1.5925E-02 | -2.2006E-03 | -9.8585E-05 | 8.2825E-05 | 6.8590E-05 | -1.6843E-06 | -1.5738E-05 |
| S6 | -3.8812E-02 | -1.5741E-02 | -3.4574E-03 | -9.9936E-04 | -7.0086E-05 | 1.2205E-04 | 3.0097E-04 |
| S7 | -1.6903E-01 | 2.9991E-03 | -3.1492E-03 | 3.2484E-03 | 1.6010E-05 | 9.8471E-05 | -1.3695E-04 |
| S8 | -1.4832E-01 | 2.4687E-02 | -9.2161E-03 | 3.6269E-03 | -8.0909E-04 | 2.0355E-04 | -7.8800E-06 |
| S9 | 7.8085E-02 | -1.7405E-02 | -2.4713E-03 | -3.9924E-04 | 2.0895E-04 | 8.2049E-04 | -1.0728E-04 |
| S10 | 4.8456E-02 | 1.1291E-01 | -5.3393E-02 | 2.1963E-02 | -9.6245E-03 | 4.1685E-03 | -1.0922E-04 |
| S11 | -2.6774E+00 | 6.5840E-01 | -1.2916E-01 | 2.7958E-02 | -2.8290E-02 | 6.0350E-03 | 5.2750E-03 |
| S12 | -8.5714E-01 | -1.3535E-01 | 8.5067E-02 | -5.1742E-02 | 4.9265E-02 | -4.3338E-02 | 2.2200E-02 |
| Flour mark | A18 | A20 | A22 | A24 | A26 | A28 | A30 |
| S1 | -1.4051E-03 | 7.1063E-04 | -3.3001E-04 | 2.0795E-04 | -6.8321E-05 | 4.6653E-05 | -1.9035E-05 |
| S2 | -1.7949E-03 | 6.9073E-04 | -1.1760E-04 | 1.0845E-04 | -1.3780E-04 | 7.8938E-05 | -2.9618E-05 |
| S3 | -6.4581E-05 | 1.0373E-04 | -1.0683E-04 | 2.3746E-05 | -1.0503E-06 | 1.2814E-05 | -2.3223E-06 |
| S4 | -1.4462E-05 | 8.1275E-05 | -1.8716E-06 | 1.8747E-05 | -8.3374E-06 | 5.8939E-06 | -9.7255E-07 |
| S5 | -6.9264E-06 | 5.1623E-06 | 3.1271E-06 | 1.4863E-06 | -3.7517E-07 | -1.3544E-06 | 3.2958E-07 |
| S6 | 9.0451E-06 | 4.3991E-05 | -3.5067E-05 | -1.6104E-05 | -2.3301E-05 | 4.8237E-06 | -5.8616E-06 |
| S7 | -3.5220E-04 | -3.0427E-05 | -2.4594E-05 | 4.2643E-05 | 1.1109E-05 | 1.2102E-05 | -1.1935E-05 |
| S8 | -1.5021E-04 | 7.0745E-05 | 3.5923E-06 | 2.1228E-05 | -6.5031E-06 | 1.4805E-06 | -8.3225E-06 |
| S9 | -1.8330E-04 | 2.2385E-04 | 4.1659E-05 | -5.4780E-05 | 7.3204E-05 | -3.3807E-05 | -9.9924E-06 |
| S10 | -8.2446E-04 | -3.9836E-04 | 1.1802E-03 | -7.6123E-04 | 2.6218E-04 | 1.4905E-06 | -3.3808E-05 |
| S11 | -3.2391E-03 | 5.9577E-04 | 2.4280E-03 | -1.7624E-03 | 2.6014E-03 | -1.0458E-03 | 8.5039E-04 |
| S12 | -2.0653E-02 | 1.5596E-02 | -8.0614E-03 | 3.0984E-03 | -1.3470E-03 | 6.8691E-04 | -2.9245E-04 |
TABLE 12
Fig. 27 shows on-axis chromatic aberration curves of the optical imaging lens of embodiment 6, which represent the convergent focus deviations of light rays of different wavelengths after passing through the lens. Fig. 28 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 6. Fig. 29 shows distortion curves of the optical imaging lens of embodiment 6, which represent distortion magnitude values corresponding to different image heights. Fig. 30 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 6, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 27 to 30, the optical imaging lens according to 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. 31 to 35, respectively. Fig. 31 shows a schematic configuration diagram of an optical imaging lens according to embodiment 7 of the present application.
As shown in fig. 31, the optical imaging lens includes, in order from an object side to an image side: a first lens E1, a second lens E2, a stop STO, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter E7, and an image forming surface S15.
The first lens element E1 has positive power, and has a concave object-side surface S1 and a convex image-side surface S2. The second lens element E2 has negative power, and has a concave object-side surface S3 and a convex image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has negative power, and has a convex object-side surface S7 and a concave image-side surface S8. The fifth lens element E5 has positive power, and has a concave object-side surface S9 and a convex image-side surface S10. The sixth lens element E6 has negative power, and has a convex object-side surface S11 and a concave image-side surface S12. Filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
Table 13 shows a basic parameter table of the optical imaging lens of embodiment 7, in which the unit of the radius of curvature and the thickness/distance are both millimeters (mm).
| Flour mark | Surface type | Radius of curvature | Thickness of | Refractive index/Abbe number | Coefficient of cone |
| OBJ | Spherical surface | All-round | All-round | ||
| S1 | Aspherical surface | -1.8295 | 0.4257 | 1.55/56.11 | -0.4391 |
| S2 | Aspherical surface | -1.8068 | 0.2065 | -4.9623 | |
| S3 | Aspherical surface | -5.7330 | 0.2000 | 1.65/23.53 | -20.6005 |
| S4 | Aspherical surface | -68.0897 | 0.4634 | 99.0000 | |
| STO | Spherical surface | All-round | 0.0300 | ||
| S5 | Aspherical surface | 10.1579 | 0.7562 | 1.55/56.11 | -5.6111 |
| S6 | Aspherical surface | -1.2984 | 0.1029 | 0.1324 | |
| S7 | Aspherical surface | 4.2530 | 0.2524 | 1.68/19.25 | -51.1773 |
| S8 | Aspherical surface | 2.1273 | 0.5604 | -6.3150 | |
| S9 | Aspherical surface | -3.7489 | 0.6973 | 1.55/56.11 | -24.7411 |
| S10 | Aspherical surface | -1.1701 | 0.2532 | -4.6960 | |
| S11 | Aspherical surface | 1.8568 | 0.4835 | 1.62/25.92 | -0.9899 |
| S12 | Aspherical surface | 1.0267 | 0.5962 | -12.2327 | |
| S13 | Spherical surface | All-round | 0.1100 | 1.52/64.20 | |
| S14 | Spherical surface | All-round | 0.0500 | ||
| S15 | Spherical surface | All-round | All-round |
Table 14 below shows the high-order coefficient A of each of the aspherical mirror surfaces S1-S12 used in example 74、A6、A8、A10、A12、A14、A16、A18、A20、A22、A24、A26、A28And A30。
| Flour mark | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.0566E+00 | -3.2819E-01 | 1.0098E-01 | -3.1606E-02 | 1.5391E-02 | -7.4682E-03 | 3.3044E-03 |
| S2 | 9.5492E-01 | -3.0032E-01 | 9.0925E-02 | -2.0192E-02 | 5.3817E-03 | -5.4124E-03 | 4.7058E-03 |
| S3 | 2.5172E-01 | -4.2903E-02 | 1.1184E-02 | -4.5151E-03 | 3.1058E-03 | -1.5826E-03 | 5.7105E-04 |
| S4 | 1.0559E-01 | 1.8800E-03 | 3.7558E-03 | -4.8411E-04 | 8.9523E-04 | -2.6738E-04 | 1.5715E-04 |
| S5 | -1.7420E-02 | -2.3999E-03 | 3.1872E-04 | 4.9981E-05 | 1.7485E-05 | 2.0878E-05 | 3.5254E-05 |
| S6 | -4.1953E-02 | -1.5341E-02 | -4.5755E-03 | 2.9417E-04 | 1.9850E-04 | 7.5863E-05 | 2.1401E-05 |
| S7 | -1.7607E-01 | -4.6955E-04 | -4.0004E-03 | 4.2170E-03 | 2.9667E-04 | -4.4704E-05 | -2.4847E-04 |
| S8 | -1.4614E-01 | 2.4466E-02 | -8.3644E-03 | 3.5104E-03 | -8.0068E-04 | 8.5580E-05 | 1.0783E-04 |
| S9 | 1.6085E-01 | -2.0834E-02 | 1.7893E-03 | -4.8227E-04 | -5.8358E-04 | 8.9760E-04 | -6.2722E-05 |
| S10 | 5.0260E-02 | 1.1797E-01 | -5.4027E-02 | 2.2280E-02 | -1.1493E-02 | 3.8647E-03 | 8.5225E-04 |
| S11 | -2.6656E+00 | 6.6398E-01 | -1.1842E-01 | 1.9243E-02 | -2.2694E-02 | 5.5867E-03 | 6.6576E-03 |
| S12 | -9.6718E-01 | -1.1940E-01 | 8.3399E-02 | -3.6713E-02 | 4.8023E-02 | -4.1533E-02 | 1.9832E-02 |
| Flour mark | A18 | A20 | A22 | A24 | A26 | A28 | A30 |
| S1 | -1.5095E-03 | 5.7965E-04 | -4.2790E-04 | 1.3749E-04 | -1.1541E-04 | 6.9638E-05 | -2.9571E-05 |
| S2 | -2.2038E-03 | 2.7549E-04 | 1.1375E-04 | 1.0614E-04 | -2.0452E-04 | 1.1769E-04 | -2.5880E-05 |
| S3 | -2.5091E-04 | 1.4918E-04 | -7.6991E-05 | 3.8609E-05 | -2.2752E-05 | 1.0853E-05 | -2.3274E-06 |
| S4 | -6.5473E-05 | 4.1908E-05 | -1.9916E-05 | 1.1626E-05 | -7.2202E-06 | 3.8085E-06 | -6.6348E-07 |
| S5 | -4.3045E-05 | -3.2392E-05 | 6.5914E-06 | 3.3579E-05 | 7.9679E-06 | -1.2520E-05 | -1.1622E-05 |
| S6 | 1.4227E-05 | 1.5940E-04 | 1.2349E-04 | 4.0547E-05 | -2.9959E-05 | -3.0890E-05 | -2.0237E-05 |
| S7 | -1.8486E-04 | 7.3523E-05 | 6.0602E-05 | -4.3255E-06 | -4.2919E-05 | -1.8823E-05 | -6.4043E-06 |
| S8 | -8.9170E-05 | 6.0148E-05 | -5.1624E-05 | -2.9327E-05 | -7.7680E-06 | 2.1770E-05 | 3.0059E-06 |
| S9 | -2.3866E-04 | 1.2949E-04 | 1.3897E-04 | 1.0302E-05 | 1.0121E-04 | -1.3522E-04 | -1.1041E-05 |
| S10 | -1.0144E-03 | -6.5849E-04 | 9.4020E-04 | -7.5946E-04 | 2.3733E-04 | -3.3355E-04 | -3.5956E-04 |
| S11 | -4.4326E-03 | -5.0719E-04 | 1.2979E-03 | -1.6935E-03 | 2.1794E-03 | -1.8405E-03 | 5.0101E-04 |
| S12 | -2.0640E-02 | 1.4082E-02 | -6.2972E-03 | 3.0807E-03 | -1.3150E-03 | 4.6483E-04 | -2.0431E-04 |
TABLE 14
Fig. 32 shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 7, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 33 shows astigmatism curves representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 7. Fig. 34 shows distortion curves of the optical imaging lens of embodiment 7, which represent distortion magnitude values corresponding to different image heights. Fig. 35 shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 7, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 32 to 35, the optical imaging lens according to embodiment 7 can achieve good imaging quality.
In summary, the optical parameters of examples 1 to 7 are shown in table 15 below, and satisfy the relationships shown in table 16, respectively.
| Basic data/ |
1 | 2 | 3 | 4 | 5 | 6 | 7 |
| ImgH(mm) | 5.40 | 5.40 | 5.26 | 5.22 | 5.00 | 5.18 | 5.19 |
| TTL(mm) | 3.63 | 3.63 | 3.63 | 3.40 | 3.40 | 3.40 | 3.40 |
| Semi-FOV(°) | 61.00 | 61.03 | 61.04 | 61.03 | 64.22 | 64.04 | 61.03 |
| Fno | 2.28 | 2.28 | 2.28 | 2.28 | 2.28 | 2.28 | 2.28 |
| f(mm) | 2.22 | 2.12 | 2.03 | 1.99 | 1.73 | 1.97 | 1.95 |
| f1(mm) | -12.63 | -5.12 | -6.80 | 89.33 | 105.83 | -56.58 | 34.96 |
| f2(mm) | -31.96 | 10.32 | 17.92 | -11.00 | -10.50 | -13.70 | -10.97 |
| f3(mm) | 2.48 | 2.18 | 1.86 | 2.10 | 2.08 | 2.13 | 2.16 |
| f4(mm) | -8.31 | -6.39 | -6.71 | -6.19 | -6.62 | -5.91 | -6.58 |
| f5(mm) | 2.09 | 3.49 | -50.00 | 2.98 | 3.25 | 2.96 | 2.84 |
| f6(mm) | -2.20 | -5.12 | 15.50 | -4.93 | 138.83 | -5.05 | -4.61 |
TABLE 16
The present application also provides an imaging device whose electron photosensitive element may be a photo-coupled device (CCD) or a complementary metal oxide semiconductor device (CMOS). The imaging device may be a stand-alone imaging device such as a digital camera, or may be an imaging module integrated on a mobile electronic device such as a mobile phone. The imaging device is equipped with the optical imaging lens described above.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The optical imaging lens assembly, in order from an object side to an image side along an optical axis, comprises:
the first lens with focal power, its object side is a concave surface, its image side is a convex surface;
a second lens having an optical power;
a third lens having a refractive power, an object-side surface of which is convex;
a fourth lens having a negative refractive power, the object-side surface of which is convex;
a fifth lens having optical power;
a sixth lens having optical power;
wherein a half Semi-FOV of a maximum field angle of the optical imaging lens satisfies: Semi-FOV is more than or equal to 61 degrees;
the maximum effective radius DT11 of the object side surface of the first lens and the maximum effective radius DT52 of the image side surface of the fifth lens meet the following conditions: DT11/DT52 is less than or equal to 1.1.
2. The optical imaging lens of claim 1, wherein the half of diagonal length ImgH of the effective pixel area on the imaging surface of the optical imaging lens, the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy: 1.3mm < ImgH × EPD/f <1.7 mm.
3. The optical imaging lens of claim 1, wherein the effective focal length f of the optical imaging lens and the effective focal length f4 of the fourth lens satisfy: -0.7< f/f4< 1.2.
4. The optical imaging lens of claim 1, wherein the maximum effective radius DT12 of the image side surface of the first lens and the radius of curvature R2 of the image side surface of the first lens satisfy: -1< DT12/R2< 0.
5. The optical imaging lens of claim 1, wherein the radius of curvature R5 of the object-side surface of the third lens, 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: 0< f3/(R5+ R6) < 0.6.
6. The optical imaging lens of claim 1, wherein the radius of curvature R1 of the object side surface of the first lens and the effective focal length f of the optical imaging lens satisfy: -1.2< R1/f < -0.8.
7. The optical imaging lens of claim 1, wherein an on-axis distance SAG52 between an intersection point of the image-side surface of the fifth lens and the optical axis to an effective radius vertex of the image-side surface of the fifth lens and an on-axis distance SAG51 between an intersection point of the object-side surface of the fifth lens and the optical axis to an effective radius vertex of the object-side surface of the fifth lens satisfy: 0< SAG52/(SAG52+ SAG51) < 0.7.
8. The optical imaging lens of claim 1, wherein a center thickness CT6 of the sixth lens on an optical axis and an air interval T56 of the fifth lens and the sixth lens on the optical axis satisfy: 0.2< T56/CT 6< 0.95.
9. The optical imaging lens of claim 1, wherein a center thickness CT6 of the sixth lens on the optical axis and an edge thickness ET6 of the sixth lens satisfy: 0.2< CT6/ET6< 0.8.
10. The optical imaging lens assembly, in order from an object side to an image side along an optical axis, comprises:
the first lens with focal power, its object side is a concave surface, its image side is a convex surface;
a second lens having an optical power;
a third lens having a refractive power, an object-side surface of which is convex;
a fourth lens having a negative refractive power, the object-side surface of which is convex;
a fifth lens having optical power;
a sixth lens having optical power;
wherein a half Semi-FOV of a maximum field angle of the optical imaging lens satisfies: Semi-FOV is more than or equal to 61 degrees;
half of the diagonal length ImgH of an effective pixel area on an imaging surface of the optical imaging lens, the effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens meet the following requirements: 1.3mm < ImgH × EPD/f <1.7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179040.9A CN112130293A (en) | 2020-10-29 | 2020-10-29 | Optical imaging lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179040.9A CN112130293A (en) | 2020-10-29 | 2020-10-29 | Optical imaging lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112130293A true CN112130293A (en) | 2020-12-25 |
Family
ID=73851881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011179040.9A Pending CN112130293A (en) | 2020-10-29 | 2020-10-29 | Optical imaging lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112130293A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791489A (en) * | 2021-11-16 | 2021-12-14 | 江西联益光学有限公司 | Optical lens |
| CN114594571A (en) * | 2022-03-09 | 2022-06-07 | 浙江舜宇光学有限公司 | Camera lens |
-
2020
- 2020-10-29 CN CN202011179040.9A patent/CN112130293A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791489A (en) * | 2021-11-16 | 2021-12-14 | 江西联益光学有限公司 | Optical lens |
| CN113791489B (en) * | 2021-11-16 | 2022-03-29 | 江西联益光学有限公司 | Optical lens |
| CN114594571A (en) * | 2022-03-09 | 2022-06-07 | 浙江舜宇光学有限公司 | Camera lens |
| CN114594571B (en) * | 2022-03-09 | 2024-08-16 | 浙江舜宇光学有限公司 | Image pickup lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106950681B (en) | Camera lens | |
| CN107219613B (en) | Optical imaging lens | |
| CN107436478B (en) | Optical imaging lens | |
| CN110554484A (en) | Optical imaging system | |
| CN211043777U (en) | Optical imaging lens group | |
| CN110542996A (en) | Optical imaging lens group | |
| CN211236417U (en) | Optical imaging system | |
| CN110609376A (en) | Optical imaging lens | |
| CN112230391A (en) | Optical imaging lens | |
| CN211014809U (en) | Optical imaging system | |
| CN112130286A (en) | Optical imaging lens | |
| CN214623165U (en) | Optical imaging lens | |
| CN113093370B (en) | Optical imaging lens | |
| CN112130293A (en) | Optical imaging lens | |
| CN213276101U (en) | Optical imaging lens | |
| CN212647131U (en) | Optical imaging lens | |
| CN211698379U (en) | Optical imaging lens | |
| CN211043778U (en) | Optical imaging system | |
| CN210720847U (en) | Optical imaging lens | |
| CN211086760U (en) | Optical imaging lens | |
| CN112230390A (en) | Optical imaging lens | |
| CN210015283U (en) | Optical imaging lens | |
| CN213023746U (en) | Optical imaging lens | |
| CN214846002U (en) | Optical imaging lens | |
| CN212905680U (en) | Optical imaging lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |