CN107390354B - Image pickup lens group - Google Patents

Image pickup lens group Download PDF

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CN107390354B
CN107390354B CN201710838881.8A CN201710838881A CN107390354B CN 107390354 B CN107390354 B CN 107390354B CN 201710838881 A CN201710838881 A CN 201710838881A CN 107390354 B CN107390354 B CN 107390354B
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lens
group
imaging lens
lens group
imaging
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CN107390354A (en
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李明
张凯元
刘文迪
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Priority to PCT/CN2018/084224 priority patent/WO2019052180A1/en
Priority to US16/226,959 priority patent/US10996440B2/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group

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

Abstract

The application discloses an imaging lens group. The imaging lens group sequentially comprises from an object side to an image side: the optical system comprises a core adjusting group with positive focal power, at least one lens, and a lens closest to an object side in the core adjusting group has positive focal power; the lens closest to the image side in the fixed group has negative focal power; wherein, the effective focal length fa of the core adjusting group and the effective focal length f of the imaging lens group meet 0.6 fa/f <2.0. The camera lens group of this application contains automatic core group and fixed group, can realize the core function of adjusting with the mode of grouping to promote module process yield and shorten AF time.

Description

Image pickup lens group
Technical Field
The present invention relates to an imaging lens assembly, and more particularly to an imaging lens assembly with an automatic core adjustment assembly.
Background
Currently, the photosensitive elements commonly used in optical systems include a photosensitive coupling element and a complementary metal oxide semiconductor element. With the improvement and size reduction of the performances of these commonly used photosensitive elements, corresponding requirements are put on high imaging quality and miniaturization of the imaging lens used in a matched manner. Meanwhile, the requirements of people on the imaging quality of portable electronic products are increasing, and electronic products such as mobile phones, tablet computers and the like are becoming thinner and smaller, so that high imaging quality and miniaturized imaging lenses are also required.
The conventional high-pixel lens adopts a module core adjusting technology, and the whole camera lens needs to be corrected during core adjusting. Therefore, the conventional module core adjusting technology is limited to improve the product yield and is unfavorable for achieving a good imaging effect. In order to further improve the yield of the module process and shorten the AF time, the invention provides an imaging lens set which is provided with an automatic core adjusting set and a fixed set and realizes core adjustment in a grouping mode.
Disclosure of Invention
In order to solve at least some of the problems in the prior art, the present invention provides an imaging lens group.
An aspect of the present invention provides an imaging lens group including, in order from an object side to an image side of the imaging lens group: a core adjusting group having positive focal power and comprising at least one lens, wherein the lens closest to the object side in the core adjusting group has positive focal power; and a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group has negative optical power; wherein, the effective focal length fa of the core adjusting group and the effective focal length f of the imaging lens group meet 0.6 fa/f <2.0.
According to one embodiment of the present invention, 1.6.ltoreq.f/EPD.ltoreq.2.8 is satisfied between the entrance pupil diameter EPD of the imaging lens group and the effective focal length f of the imaging lens group.
According to one embodiment of the invention, the edge thickness ETa between the tuning group and the fixed group at the maximum radius meets 0.15mm < eta <0.5mm.
According to one embodiment of the invention, the effective focal length f of the imaging lens group and the on-axis distance TTL from the object side surface of the positive lens closest to the object side in the core adjusting group to the imaging surface satisfy 0.8-1.2.
According to one embodiment of the invention, the effective focal length f of the imaging lens group and the effective focal length fb of the fixed group meet f/|fb|less than or equal to 1.0.
According to one embodiment of the present invention, the effective focal length f of the imaging lens group and the effective focal length fbi of the negative lens closest to the image side in the fixed group satisfy-2.0 < f/fbi <0.
According to one embodiment of the present invention, 0.5< V1/(v1+v2) <1 is satisfied between the dispersion coefficient V1 of the positive lens closest to the object side in the tuning core group and the dispersion coefficient V2 of the negative lens adjacent to the positive lens.
Another aspect of the present invention provides an imaging lens group including, in order from an object side to an image side of the imaging lens group: a core adjusting group having positive focal power and comprising at least one lens, wherein the lens closest to the object side in the core adjusting group has positive focal power; and a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group has negative optical power; wherein 0.5< V1/(V1+V2) <1 is satisfied between the dispersion coefficient V1 of the positive lens closest to the object side in the tuning core group and the dispersion coefficient V2 of the negative lens adjacent to the positive lens.
Another aspect of the present invention provides an imaging lens group including, in order from an object side to an image side of the imaging lens group: a core adjusting group having positive focal power and comprising at least one lens, wherein the lens closest to the object side in the core adjusting group has positive focal power; and a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group has negative optical power; wherein an edge thickness ETa between the tuning core group and the fixed group at a maximum radius satisfies 0.15mm < eta <0.5mm.
Another aspect of the present invention provides an imaging lens group including, in order from an object side to an image side of the imaging lens group: a core adjusting group having positive focal power and comprising at least one lens, wherein the lens closest to the object side in the core adjusting group has positive focal power; and a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group has negative optical power; the effective focal length f of the camera lens group and the entrance pupil diameter EPD of the camera lens group are 1.6-2.8.
Another aspect of the present invention provides an imaging lens group including, in order from an object side to an image side of the imaging lens group: a core adjusting group having positive focal power and comprising at least one lens, wherein the lens closest to the object side in the core adjusting group has positive focal power; and a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group has negative optical power; the effective focal length f of the camera lens group and the on-axis distance TTL from the object side surface of the positive lens closest to the object side in the core adjusting group to the imaging surface are more than or equal to 0.8 and less than or equal to 1.2.
Another aspect of the present invention provides an imaging lens group including, in order from an object side to an image side of the imaging lens group: a core adjusting group having positive focal power and comprising at least one lens, wherein the lens closest to the object side in the core adjusting group has positive focal power; and a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group has negative optical power; the effective focal length f of the camera lens group and the effective focal length fb of the fixed group meet f/|fb|is less than or equal to 1.0.
Another aspect of the present invention provides an imaging lens group including, in order from an object side to an image side of the imaging lens group: a core adjusting group having positive focal power and comprising at least one lens, wherein the lens closest to the object side in the core adjusting group has positive focal power; and a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group has negative optical power; the effective focal length f of the imaging lens group and the effective focal length fbi of the negative lens closest to the image side in the fixed group meet-2.0 < f/fbi <0.
The camera lens group comprises the core adjusting group and the fixed group, and the core adjusting is realized in a grouping mode, so that the module process yield can be improved and the AF time can be shortened.
Drawings
Other features, objects and advantages of the present invention 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 imaging lens group of embodiment 1;
fig. 2 to 5 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the imaging lens group of embodiment 1;
fig. 6 shows a schematic configuration diagram of an imaging lens group of embodiment 2;
fig. 7 to 10 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the imaging lens group of embodiment 2;
fig. 11 shows a schematic configuration diagram of an imaging lens group of embodiment 3;
fig. 12 to 15 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the imaging lens group of embodiment 3;
fig. 16 is a schematic diagram showing the structure of an imaging lens group of embodiment 4;
fig. 17 to 20 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the imaging lens group of embodiment 4;
fig. 21 shows a schematic configuration diagram of an imaging lens group of embodiment 5;
fig. 22 to 25 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the imaging lens group of embodiment 5;
fig. 26 is a schematic diagram showing the configuration of an imaging lens group of embodiment 6;
fig. 27 to 30 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the imaging lens group of embodiment 6;
fig. 31 is a schematic diagram showing the configuration of an imaging lens group of embodiment 7; and
fig. 32 to 35 show an on-axis chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve, respectively, of the imaging lens group of embodiment 7.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It will be understood that when an element or layer is referred to in the present application as being "on," "connected to," or "coupled to" another element or layer, it can be directly on, connected or coupled to the other element or layer, or intervening elements or layers may be present. When an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout the specification. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, unless the context clearly indicates otherwise, the absence of a limitation to a plurality of features is also intended to include the plurality of features. 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, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Expressions such as "at least one of the elements" when present after a list of elements, modify the entire list of elements, rather than modifying individual elements in the list. Furthermore, when describing embodiments of the present application, the use of "may" means "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, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The application provides an imaging lens group. The imaging lens group according to the present application is provided with, in order from an object side to an image side of the imaging lens group: a core adjusting group with positive focal power and a fixed group with positive focal power. In an embodiment of the present application, the core adjustment set includes at least one lens, and a lens closest to the object side in the core adjustment set has positive optical power. In an embodiment of the present application, the fixed group includes at least one lens, and a lens closest to the image side in the fixed group has negative optical power.
In the embodiment of the present application, an effective focal length fa of the core adjustment group and an effective focal length f of the imaging lens group satisfy 0.6< fa/f <2.0, more specifically, satisfy 0.80+.fa/f+.1.92. In the camera lens group of this application, sensitive optical element adopts initiative core technique of adjusting, uses eccentric compensation principle, adjusts the level and the slope of core group to can reduce the dissymmetry of coma and distortion, make the even symmetry of image quality and promote the uniformity of yields and product quality.
In the embodiment of the present application, 1.6.ltoreq.f/epd.ltoreq.2.8, more specifically 1.68.ltoreq.f/epd.ltoreq.2.67 is satisfied between the entrance pupil diameter EPD of the imaging lens group and the effective focal length f of the imaging lens group. The imaging lens group with the relative aperture in the interval can obtain good shooting effect, and meanwhile, the specification effect of the existing electronic product is met.
In the embodiments of the present application, the edge thickness ETa between the tuning core group and the fixed group at the maximum radius satisfies 0.15mm < eta <0.5mm, more specifically, satisfies 0.19.ltoreq. ETa.ltoreq.0.34. The camera lens group meeting the relation can ensure the aligning space and manufacturability in the assembling process.
In the embodiment of the application, the effective focal length f of the imaging lens group and the on-axis distance TTL from the object side surface of the positive lens closest to the object side in the core adjusting group to the imaging surface satisfy 0.8 f/TTL not more than 1.2, and more particularly satisfy 0.82 f/TTL not more than 1.12. By satisfying the above relation, miniaturization of the lens can be ensured, and good imaging effect and processing characteristics can be achieved.
In the embodiment of the present application, f/|fb|+.1.0, more specifically, f/|fb|+.0.99 is satisfied between the effective focal length f of the imaging lens group and the effective focal length fb of the fixed group. In the camera lens group meeting the relation, the sensitivity of the fixed group is reduced through the focal power distribution, so that the core adjusting precision is concentrated to the core adjusting group, and the assembling of the core adjusting is facilitated.
In the embodiment of the application, the effective focal length f of the imaging lens group and the effective focal length fbi of the negative lens closest to the image side in the fixed group satisfy-2.0 < f/fbi <0, more specifically-1.62 < f/fbi < 0.20. By satisfying the relation, the astigmatic aberration, distortion and other aberration of the imaging system can be effectively corrected, and the matching of the chief ray angle of the chip is facilitated.
In the embodiment of the present application, 0.5< V1/(v1+v2) <1, more specifically, 0.70+.v1/(v1+v2) +.0.80 is satisfied between the dispersion coefficient V1 of the positive lens closest to the object side in the core group and the dispersion coefficient V2 of the negative lens adjacent to the positive lens. In the image pickup lens group satisfying the above relation, chromatic aberration of the lens is corrected by mutual cooperation between different materials.
The present application is further described below in connection with specific embodiments.
Example 1
An imaging lens group according to embodiment 1 of the present application is described first with reference to fig. 1 to 5.
Fig. 1 is a schematic diagram showing the configuration of an imaging lens group of embodiment 1. As shown in fig. 1, the imaging lens group includes 5 lenses. The 5 lenses are a first lens E1 having an object side S1 and an image side S2, a second lens E2 having an object side S3 and an image side S4, a third lens E3 having an object side S5 and an image side S6, a fourth lens E4 having an object side S7 and an image side S8, and a fifth lens E5 having an object side S9 and an image side S10, respectively. The first to fifth lenses E1 to E5 are disposed in order from the object side to the image side of the imaging lens group. The core adjusting group comprises a first lens and a second lens, and the fixed group comprises a third lens, a fourth lens and a fifth lens. The core adjusting group is adjustable in the direction perpendicular to the optical axis.
The first lens element E1 has positive refractive power, and the object-side surface S1 thereof is convex, and the image-side surface S2 thereof is concave.
The second lens element E2 has negative refractive power, wherein the object-side surface S3 thereof is convex and the image-side surface S4 thereof is concave.
The third lens element E3 can have negative refractive power, wherein the object-side surface S5 thereof can be convex and the image-side surface S6 thereof can be concave.
The fourth lens element E4 can have negative refractive power, wherein the object-side surface S7 thereof can be convex and the image-side surface S8 thereof can be concave.
The fifth lens element E5 can have negative refractive power, wherein the object-side surface S9 thereof can be concave and the image-side surface S10 thereof can be convex.
The imaging lens group further includes an optical filter E6 having an object side surface S11 and an image side surface S12 for filtering infrared light. In this embodiment, light from an object passes through the respective surfaces S1 to S12 in sequence and is finally imaged on the imaging surface S13.
In this embodiment, the first to fifth lenses E1 to E5 have respective effective focal lengths f1 to f5, respectively. The first to fifth lenses E1 to E5 are arranged in order along the optical axis and together determine the total effective focal length f of the imaging lens group. Table 1 below shows the effective focal lengths f1 to f5 of the first lens E1 to the fifth lens E5, the total effective focal length f of the imaging lens group, the total length TTL (mm) of the imaging lens group, and half HFOV of the maximum field angle of the imaging lens group.
Figure BDA0001410278490000071
Figure BDA0001410278490000081
TABLE 1
Table 2 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the imaging lens group in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).
Figure BDA0001410278490000082
TABLE 2
In this embodiment, each lens may be an aspherical lens, and each aspherical surface type x is defined by the following formula:
Figure BDA0001410278490000083
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 the conic coefficient (given in table 2); ai is the correction coefficient of the aspherical i-th order.
Table 3 below shows the higher order coefficients A for each of the aspherical surfaces S1-S10 that can be used for each of the aspherical lenses in this embodiment 4 、A 6 、A 8 、A 10 、A 12 And A 14 。
Face number A4 A6 A8 A10 A12 A14
S1 1.3601E-01 -6.3720E-02 1.0169E-01 -1.2051E-01 8.2581E-02 -2.2878E-02
S2 -2.8388E-02 5.4797E-02 -6.2690E-02 5.0573E-02 -2.0410E-02 2.6880E-04
S3 -1.0467E-01 2.1443E-01 -1.4238E-01 -1.9355E-02 1.0904E-01 -6.9507E-02
S4 -1.1540E-01 8.6389E-02 7.5010E-01 -2.4571E+00 3.5006E+00 -1.8879E+00
S5 -1.5772E-01 1.0910E-01 3.0736E-02 1.3085E-02 -1.6124E-02 0.0000E+00
S6 -9.7256E-02 9.9548E-02 8.2801E-03 1.1860E-02 -1.7289E-02 0.0000E+00
S7 -1.5951E-01 -3.7932E-02 4.9498E-02 -1.8220E-02 6.8606E-03 -1.2788E-03
S8 -5.2000E-02 -3.9011E-02 3.8016E-02 -1.6851E-02 3.5869E-03 -2.8651E-04
S9 3.1443E-02 -8.3641E-03 7.2344E-04 -7.5065E-05 5.3379E-05 -6.9098E-06
S10 -5.5759E-02 -9.6986E-04 1.0286E-02 -3.5946E-03 5.2707E-04 -2.9377E-05
TABLE 3 Table 3
Fig. 2 shows an on-axis chromatic aberration curve of the imaging lens group of embodiment 1, which indicates a convergent focus deviation of light rays of different wavelengths after passing through an optical system. Fig. 3 shows an astigmatism curve of the imaging lens group of embodiment 1, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 4 shows a distortion curve of the imaging lens group of embodiment 1, which represents distortion magnitude values in the case of different angles of view. Fig. 5 shows a magnification chromatic aberration curve of the imaging lens group of embodiment 1, which represents the deviation of different image heights on the imaging plane after light passes through the imaging lens group. As can be seen from the above description and referring to fig. 2 to 5, the imaging lens assembly according to embodiment 1 can realize the aligning function in a grouping manner, thereby improving the module process yield and shortening the AF time.
Example 2
An imaging lens group according to embodiment 2 of the present application is described below with reference to fig. 6 to 10.
Fig. 6 is a schematic diagram showing the configuration of an imaging lens group of embodiment 2. As shown in fig. 6, the imaging lens group includes 6 lenses. The 6 lenses are a first lens E1 having an object side S1 and an image side S2, a second lens E2 having an object side S3 and an image side S4, a third lens E3 having an object side S5 and an image side S6, a fourth lens E4 having an object side S7 and an image side S8, a fifth lens E5 having an object side S9 and an image side S10, and a sixth lens E6 having an object side S11 and an image side S12, respectively. The first to sixth lenses E1 to E6 are disposed in order from the object side to the image side of the imaging lens group. The core adjusting group comprises a first lens, a second lens and a third lens, and the fixed group comprises a fourth lens, a fifth lens and a sixth lens. The core adjusting group is adjustable in the direction perpendicular to the optical axis.
The first lens element E1 has positive refractive power, and the object-side surface S1 thereof is convex, and the image-side surface S2 thereof is concave.
The second lens element E2 has negative refractive power, wherein the object-side surface S3 thereof is convex and the image-side surface S4 thereof is concave.
The third lens element E3 can have positive refractive power, and the object-side surface S5 thereof can be convex, and the image-side surface S6 can be concave.
The fourth lens element E4 can have positive refractive power, and the object-side surface S7 thereof can be convex, and the image-side surface S8 thereof can be convex.
The fifth lens element E5 can have positive refractive power, and the object-side surface S9 thereof can be convex, and the image-side surface S10 thereof can be convex.
The sixth lens element E6 has negative refractive power, wherein the object-side surface S11 thereof is convex and the image-side surface S12 thereof is concave.
The imaging lens group further includes an optical filter E7 having an object side surface S13 and an image side surface S14 for filtering infrared light. In this embodiment, light from the object passes through the respective surfaces S1 to S14 in sequence and is finally imaged on the imaging surface S15.
Table 4 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the imaging lens group, the total length TTL of the imaging lens group, and half HFOV of the maximum field angle of the imaging lens group.
f1(mm) 5.35 f(mm) 3.86
f2(mm) -5.63 TTL(mm) 4.73
f3(mm) 4.14 HFOV(°) 38.1
f4(mm) 37.49
f5(mm) 35.28
f6(mm) -7.86
TABLE 4 Table 4
Table 5 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the imaging lens group in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).
Figure BDA0001410278490000101
Figure BDA0001410278490000111
TABLE 5
Table 6 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment. Wherein each aspherical surface profile can be defined by the formula (1) given in the above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18
S1 5.2492E-02 -1.2457E-02 -1.5906E-02 2.2080E-02 -1.5444E-02 3.9656E-03 0 0
S2 6.3723E-02 -1.1938E-01 4.9828E-02 -5.2879E-03 0 0 0 0
S3 8.9540E-02 -1.3532E-01 5.7536E-02 -7.8798E-03 0 0 0 0
S4 -2.2551E-02 6.5627E-02 -7.2699E-02 1.5843E-02 0 0 0 0
S5 -4.2948E-02 7.0695E-02 -4.3444E-02 9.3904E-03 -2.5085E-04 0 0 0
S6 -3.3133E-02 0 0 0 0 0 0 0
S7 -2.3602E-02 -2.9792E-01 8.4447E-01 -1.5284E+00 1.5445E+00 -8.1485E-01 1.6611E-01 0
S8 7.0442E-02 -5.4923E-01 1.1314E+00 -1.4322E+00 1.1189E+00 -5.0665E-01 1.2075E-01 -1.1685E-02
S9 2.7958E-01 -7.2784E-01 8.9374E-01 -7.3818E-01 3.7390E-01 -1.0869E-01 1.6645E-02 -1.0420E-03
S10 2.3910E-01 -4.9748E-01 4.9221E-01 -3.2548E-01 1.3889E-01 -3.5922E-02 5.0859E-03 -3.0039E-04
S11 -2.3643E-01 -1.7778E-02 1.1378E-01 -6.7598E-02 2.0936E-02 -3.8209E-03 3.8939E-04 -1.7076E-05
S12 -2.1661E-01 1.3420E-01 -7.3783E-02 3.4369E-02 -1.1083E-02 2.1636E-03 -2.2761E-04 9.8825E-06
TABLE 6
Fig. 7 shows an on-axis chromatic aberration curve of the imaging lens group of embodiment 2, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 8 shows an astigmatism curve of the imaging lens group of embodiment 2, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 9 shows a distortion curve of the imaging lens group of embodiment 2, which represents distortion magnitude values in the case of different angles of view. Fig. 10 shows a magnification chromatic aberration curve of the imaging lens group of embodiment 2, which represents the deviation of different image heights on the imaging plane after light passes through the imaging lens group. As can be seen from the above description and referring to fig. 7 to 10, the imaging lens assembly according to embodiment 2 can realize the aligning function in a grouping manner, thereby improving the module process yield and shortening the AF time.
Example 3
An imaging lens group according to embodiment 3 of the present application is described below with reference to fig. 11 to 15.
Fig. 11 is a schematic diagram showing the configuration of an imaging lens group of embodiment 3. The image capturing lens assembly includes, in order from an object side to an image side, a first lens element E1, a second lens element E2, a third lens element E3, a fourth lens element E4, a fifth lens element E5 and a sixth lens element E6. The core adjusting group comprises a first lens, a second lens and a third lens, and the fixed group comprises a fourth lens, a fifth lens and a sixth lens. The core adjusting group is adjustable in the direction perpendicular to the optical axis.
The first lens element E1 has positive refractive power, and the object-side surface S1 thereof is convex, and the image-side surface S2 thereof is concave.
The second lens element E2 has negative refractive power, wherein the object-side surface S3 thereof is convex and the image-side surface S4 thereof is concave.
The third lens element E3 can have positive refractive power, and the object-side surface S5 thereof can be convex, and the image-side surface S6 can be concave.
The fourth lens element E4 can have positive refractive power, and the object-side surface S7 thereof can be convex, and the image-side surface S8 can be concave.
The fifth lens element E5 can have positive refractive power, and the object-side surface S9 thereof can be convex, and the image-side surface S10 thereof can be convex.
The sixth lens element E6 has negative refractive power, wherein the object-side surface S11 thereof is convex and the image-side surface S12 thereof is concave.
Table 7 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the imaging lens group, the total length TTL of the imaging lens group, and half HFOV of the maximum field angle of the imaging lens group.
f1(mm) 4.38 f(mm) 4.27
f2(mm) -8.07 TTL(mm) 4.94
f3(mm) 9.23 HFOV(°) 38.8
f4(mm) 260.62
f5(mm) 3.99
f6(mm) -2.63
TABLE 7
Table 8 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the imaging lens group in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).
Figure BDA0001410278490000131
TABLE 8
Table 9 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.
Face number A4 A6 A8 A10 A12 A14 A16
S1 1.6674E-01 -1.2623E-01 1.1239E-01 -7.4304E-02 2.4756E-02 -4.3875E-03 0.0000E+00
S2 -1.1231E-01 3.4865E-01 -5.4467E-01 4.0256E-01 -1.3923E-01 1.6536E-02 0.0000E+00
S3 -1.2057E-01 4.7211E-01 -7.2018E-01 5.4865E-01 -1.8246E-01 1.7960E-02 0.0000E+00
S4 -1.0455E-01 3.3374E-01 -4.2209E-01 2.8605E-01 -4.8012E-02 -1.3475E-02 0.0000E+00
S5 -6.3509E-02 1.2326E-01 -2.9361E-01 4.7166E-01 -4.8449E-01 2.6672E-01 -5.6652E-02
S6 -6.1194E-02 9.0228E-03 3.0786E-02 -1.5103E-01 1.8847E-01 -1.1457E-01 2.8614E-02
S7 -1.0606E-01 -4.3039E-02 1.6347E-01 -2.7408E-01 2.2312E-01 -9.9179E-02 1.8218E-02
S8 -1.0445E-01 -2.1761E-02 6.1116E-02 -5.8208E-02 2.4121E-02 -2.7686E-03 -1.7891E-04
S9 6.8180E-02 -1.3031E-01 6.7749E-02 -2.3618E-02 -6.7419E-03 6.9713E-03 -1.1757E-03
S10 4.3280E-02 3.9926E-03 -3.1502E-02 1.4719E-02 -2.9195E-03 2.7185E-04 -9.7852E-06
S11 -3.1655E-01 2.1549E-01 -8.2396E-02 2.0089E-02 -3.0747E-03 2.6893E-04 -1.0240E-05
S12 -1.5592E-01 9.1748E-02 -3.8073E-02 9.8261E-03 -1.4911E-03 1.2135E-04 -4.0600E-06
TABLE 9
Fig. 12 shows an on-axis chromatic aberration curve of the imaging lens group of embodiment 3, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 13 shows an astigmatism curve of the imaging lens group of embodiment 3, which indicates meridional image plane curvature and sagittal image plane curvature. Fig. 14 shows a distortion curve of the imaging lens group of embodiment 3, which represents distortion magnitude values in the case of different angles of view. Fig. 15 shows a magnification chromatic aberration curve of the imaging lens group of embodiment 3, which represents a deviation of different image heights on an imaging plane after light passes through the imaging lens group. As can be seen from the above description and referring to fig. 12 to 15, the imaging lens assembly according to embodiment 3 can realize the aligning function in a grouping manner, thereby improving the module process yield and shortening the AF time.
Example 4
An imaging lens group according to embodiment 4 of the present application is described below with reference to fig. 16 to 20.
Fig. 16 is a schematic diagram showing the configuration of an imaging lens group of embodiment 4. The image capturing lens assembly includes, in order from an object side to an image side, a first lens element E1, a second lens element E2, a third lens element E3, a fourth lens element E4, a fifth lens element E5 and a sixth lens element E6. The core adjusting group comprises a first lens and a second lens, and the fixed group comprises a third lens, a fourth lens, a fifth lens and a sixth lens. The core adjusting group is adjustable in the direction perpendicular to the optical axis.
The first lens element E1 has positive refractive power, and the object-side surface S1 thereof is convex, and the image-side surface S2 thereof is concave.
The second lens element E2 has negative refractive power, wherein the object-side surface S3 thereof is convex and the image-side surface S4 thereof is concave.
The third lens element E3 can have positive refractive power, and the object-side surface S5 thereof can be convex, and the image-side surface S6 thereof can be convex.
The fourth lens element E4 can have negative refractive power, wherein the object-side surface S7 thereof can be concave and the image-side surface S8 thereof can be convex.
The fifth lens element E5 can have positive refractive power, and the object-side surface S9 thereof can be convex, and the image-side surface S10 can be concave.
The sixth lens element E6 has negative refractive power, wherein the object-side surface S11 thereof is convex and the image-side surface S12 thereof is concave.
Table 10 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the imaging lens group, the total length TTL of the imaging lens group, and half HFOV of the maximum field angle of the imaging lens group.
Figure BDA0001410278490000141
Figure BDA0001410278490000151
Table 10
Table 11 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the imaging lens group in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).
Figure BDA0001410278490000152
TABLE 11
Table 12 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.
Figure BDA0001410278490000153
Figure BDA0001410278490000161
Table 12
Fig. 17 shows an on-axis chromatic aberration curve of the imaging lens group of embodiment 4, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 18 shows an astigmatism curve of the imaging lens group of embodiment 4, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 19 shows a distortion curve of the imaging lens group of embodiment 4, which represents distortion magnitude values in the case of different angles of view. Fig. 20 shows a magnification chromatic aberration curve of the imaging lens group of embodiment 4, which represents a deviation of different image heights on an imaging plane after light passes through the imaging lens group. As can be seen from the above description and referring to fig. 17 to 20, the imaging lens assembly according to embodiment 4 can realize the aligning function in a grouping manner, thereby improving the module process yield and shortening the AF time.
Example 5
An imaging lens group according to embodiment 5 of the present application is described below with reference to fig. 21 to 25.
Fig. 21 is a schematic diagram showing the configuration of an imaging lens group of embodiment 5. The image capturing lens assembly includes, in order from an object side to an image side, a first lens element E1, a second lens element E2, a third lens element E3, a fourth lens element E4, a fifth lens element E5 and a sixth lens element E6. The core adjusting group comprises a first lens, a second lens, a third lens and a fourth lens, and the fixing group comprises a fifth lens and a sixth lens. The core adjusting group is adjustable in the direction perpendicular to the optical axis.
The first lens element E1 has positive refractive power, and the object-side surface S1 thereof is convex, and the image-side surface S2 thereof is concave.
The second lens element E2 has negative refractive power, wherein the object-side surface S3 thereof is convex and the image-side surface S4 thereof is concave.
The third lens element E3 can have positive refractive power, and the object-side surface S5 thereof can be convex, and the image-side surface S6 thereof can be convex.
The fourth lens element E4 can have negative refractive power, wherein the object-side surface S7 thereof can be concave and the image-side surface S8 thereof can be convex.
The fifth lens element E5 can have positive refractive power, and the object-side surface S9 thereof can be convex, and the image-side surface S10 thereof can be convex.
The sixth lens element E6 has negative refractive power, wherein the object-side surface S9 thereof is convex and the image-side surface S10 thereof is concave.
Table 13 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the imaging lens group, the total length TTL of the imaging lens group, and half HFOV of the maximum field angle of the imaging lens group.
f1(mm) 2.85 f(mm) 3.89
f2(mm) -5.59 TTL(mm) 4.74
f3(mm) 12.48 HFOV(°) 37.5
f4(mm) -3.93
f5(mm) 4.05
f6(mm) -9.75
TABLE 13
Table 14 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the imaging lens group in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).
Figure BDA0001410278490000171
TABLE 14
Table 15 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.
Face number A4 A6 A8 A10 A12 A14 A16 A18
S1 -2.6734E-03 2.8788E-02 -7.2274E-02 8.5703E-02 -5.7152E-02 1.6650E-02 -3.5232E-03 0
S2 -8.4725E-02 3.3439E-01 -7.3929E-01 9.9071E-01 -8.2584E-01 3.7933E-01 -7.3320E-02 0
S3 -1.1471E-01 4.8883E-01 -1.0638E+00 1.6099E+00 -1.5274E+00 8.1892E-01 -1.8189E-01 0
S4 -1.4370E-01 2.8794E-01 -7.7661E-01 1.7014E+00 -2.6215E+00 2.3181E+00 -8.8852E-01 0
S5 -8.9901E-02 -4.5815E-02 -2.3247E-02 0 0 0 0 0
S6 -6.0134E-02 4.6464E-05 -7.8916E-02 5.4190E-02 0 0 0 0
S7 -6.4395E-02 2.1801E-01 -3.2314E-01 2.6246E-01 -8.4115E-02 0 0 0
S8 -3.2835E-01 4.7779E-01 -5.3872E-01 4.1605E-01 -1.6523E-01 2.0296E-02 4.5789E-03 -1.1097E-03
S9 -8.5144E-02 1.1929E-01 -1.5989E-01 9.0814E-02 -2.4491E-02 3.1003E-03 -1.3241E-04 -2.3646E-06
S10 6.2894E-03 8.1076E-02 -1.2829E-01 7.7382E-02 -2.5977E-02 5.1928E-03 -5.7529E-04 2.6962E-05
S11 -3.9261E-01 2.8810E-01 -1.2956E-01 3.2272E-02 -2.5605E-03 -5.7328E-04 1.4020E-04 -8.7706E-06
S12 -3.4135E-01 2.3259E-01 -1.2287E-01 4.3972E-02 -1.0001E-02 1.3633E-03 -1.0026E-04 3.0191E-06
TABLE 15
Fig. 22 shows an on-axis chromatic aberration curve of the imaging lens group of embodiment 5, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 23 shows an astigmatism curve of the imaging lens group of embodiment 5, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 24 shows a distortion curve of the imaging lens group of embodiment 5, which represents distortion magnitude values in the case of different angles of view. Fig. 25 shows a magnification chromatic aberration curve of the imaging lens group of embodiment 5, which represents a deviation of different image heights on an imaging plane after light passes through the imaging lens group. As can be seen from the above description and referring to fig. 22 to 25, the imaging lens assembly according to embodiment 5 can realize the aligning function in a grouping manner, thereby improving the module process yield and shortening the AF time.
Example 6
An imaging lens group according to embodiment 6 of the present application is described below with reference to fig. 26 to 30.
Fig. 26 is a schematic diagram showing the configuration of an imaging lens group of embodiment 6. The image capturing lens assembly includes, in order from an object side to an image side, a first lens element E1, a second lens element E2, a third lens element E3, a fourth lens element E4, a fifth lens element E5 and a sixth lens element E6. The core adjusting group comprises a first lens, a second lens and a third lens, and the fixed group comprises a fourth lens, a fifth lens and a sixth lens. The core adjusting group is adjustable in the direction perpendicular to the optical axis.
The first lens element E1 can have positive refractive power, and the object-side surface S1 thereof can be convex, and the image-side surface S2 can be concave.
The second lens element E2 has negative refractive power, wherein the object-side surface S3 thereof is convex and the image-side surface S4 thereof is concave.
The third lens element E3 can have positive refractive power, and the object-side surface S5 thereof can be convex, and the image-side surface S6 can be concave.
The fourth lens element E4 can have positive refractive power, wherein the object-side surface S7 thereof can be concave and the image-side surface S8 thereof can be convex.
The fifth lens element E5 can have negative refractive power, wherein the object-side surface S9 thereof can be concave and the image-side surface S10 thereof can be convex.
The sixth lens element E6 has negative refractive power, and the object-side surface S11 thereof can be concave, and the image-side surface S12 thereof can be concave.
Table 16 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the imaging lens group, the total length TTL of the imaging lens group, and half HFOV of the maximum field angle of the imaging lens group.
f1(mm) 3.24 f(mm) 3.89
f2(mm) -8.52 TTL(mm) 4.75
f3(mm) 232.58 HFOV(°) 37.3
f4(mm) 3.32
f5(mm) -32.31
f6(mm) -2.79
Table 16
Table 17 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the imaging lens group in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).
Figure BDA0001410278490000191
Figure BDA0001410278490000201
TABLE 17
Table 18 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.
Face number A4 A6 A8 A10 A12 A14 A16
S1 7.6097E-02 -4.1288E-03 1.1765E-02 -4.0024E-02 5.5975E-02 -4.0403E-02 7.1401E-03
S2 -1.2097E-01 1.6125E-01 -1.9077E-01 2.3140E-01 -2.7208E-01 1.8039E-01 -4.8164E-02
S3 -1.6484E-01 3.3670E-01 -3.0438E-01 2.7217E-01 -3.0092E-01 2.5561E-01 -8.4041E-02
S4 -1.5744E-02 2.1635E-01 -1.6109E-01 7.4905E-02 1.4008E-01 -2.6768E-01 2.0708E-01
S5 -1.8697E-01 4.0187E-02 -1.3563E-01 3.1726E-01 -4.0679E-01 2.4225E-01 3.8795E-03
S6 -1.5224E-01 2.3732E-02 -1.5605E-01 2.6391E-01 -2.0808E-01 8.4998E-02 -6.3458E-03
S7 1.6410E-02 5.8831E-03 -1.0767E-01 9.9776E-02 -4.3953E-02 9.7151E-03 -8.4653E-04
S8 1.1380E-02 1.4236E-02 6.5955E-03 -1.1463E-02 3.9781E-03 -5.6013E-04 2.8756E-05
S9 -4.1037E-02 -4.4802E-02 6.5451E-02 -3.8033E-02 1.1575E-02 -1.7612E-03 1.0546E-04
S10 -7.5611E-02 1.4226E-02 6.9872E-03 -5.8613E-03 1.8769E-03 -2.7995E-04 1.5725E-05
S11 -6.7690E-02 1.3466E-02 1.5191E-02 -8.1489E-03 1.7335E-03 -1.7544E-04 6.8763E-06
S12 -8.0559E-02 3.9931E-02 -1.4768E-02 3.6056E-03 -5.5786E-04 4.7955E-05 -1.6877E-06
TABLE 18
Fig. 27 shows an on-axis chromatic aberration curve of the imaging lens group of embodiment 6, which indicates a convergent focus deviation of light rays of different wavelengths after passing through the optical system. Fig. 28 shows an astigmatism curve of the imaging lens group of embodiment 6, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 29 shows a distortion curve of the imaging lens group of embodiment 6, which represents distortion magnitude values in the case of different angles of view. Fig. 30 shows a magnification chromatic aberration curve of the imaging lens group of embodiment 6, which represents a deviation of different image heights on an imaging plane after light passes through the imaging lens group. As can be seen from the above description and referring to fig. 27 to 30, the imaging lens assembly according to embodiment 6 can realize the aligning function in a grouping manner, thereby improving the module process yield and shortening the AF time.
Example 7
An imaging lens group according to embodiment 7 of the present application is described below with reference to fig. 31 to 35.
Fig. 31 is a schematic diagram showing the configuration of an imaging lens group of embodiment 7. The image capturing lens assembly includes, in order from an object side to an image side, a first lens element E1, a second lens element E2, a third lens element E3, a fourth lens element E4, a fifth lens element E5 and a sixth lens element E6. The core adjusting group comprises a first lens, and the fixed group comprises a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The core adjusting group is adjustable in the direction perpendicular to the optical axis.
The first lens element E1 has positive refractive power, and the object-side surface S1 thereof is convex, and the image-side surface S2 thereof is concave.
The second lens element E2 has negative refractive power, wherein the object-side surface S3 thereof is convex and the image-side surface S4 thereof is concave.
The third lens element E3 can have positive refractive power, and the object-side surface S5 thereof can be convex, and the image-side surface S6 can be concave.
The fourth lens element E4 can have positive refractive power, wherein the object-side surface S7 thereof can be concave and the image-side surface S8 thereof can be convex.
The fifth lens element E5 can have positive refractive power, the object-side surface S9 thereof can be planar, and the image-side surface S10 thereof can be convex.
The sixth lens element E6 has negative refractive power, wherein the object-side surface S11 thereof is convex and the image-side surface S12 thereof is concave.
Table 19 below shows the effective focal lengths f1 to f6 of the first lens E1 to the sixth lens E6, the total effective focal length f of the imaging lens group, the total length TTL of the imaging lens group, and half HFOV of the maximum field angle of the imaging lens group.
f1(mm) 3.82 f(mm) 3.98
f2(mm) -13.25 TTL(mm) 4.75
f3(mm) 230.91 HFOV(°) 37.2
f4(mm) 4.65
f5(mm) 72.40
f6(mm) -3.27
TABLE 19
Table 20 below shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens in the imaging lens group in this embodiment, wherein the units of the radius of curvature and the thickness are millimeters (mm).
Figure BDA0001410278490000211
Figure BDA0001410278490000221
Table 20
Table 21 below shows the higher order coefficients of each of the aspherical surfaces S1 to S12 that can be used for each of the aspherical lenses in this embodiment, wherein each of the aspherical surface types can be defined by the formula (1) given in embodiment 1 above.
Face number A4 A6 A8 A10 A12 A14 A16
S1 6.8227E-02 -1.1518E-02 -1.1816E-02 2.4427E-02 -2.6633E-02 1.2275E-02 -2.7202E-03
S2 -1.2625E-01 1.8691E-01 -1.9308E-01 7.4506E-02 5.8693E-03 -9.6416E-03 5.8356E-04
S3 -1.1812E-01 2.6001E-01 -2.3607E-01 2.0256E-01 -2.6072E-01 2.4229E-01 -8.1989E-02
S4 6.5486E-02 -5.3632E-02 3.9159E-01 -8.5693E-01 1.1526E+00 -9.1779E-01 3.5398E-01
S5 -1.1739E-01 -1.2218E-01 6.7447E-01 -1.9742E+00 3.2062E+00 -2.7486E+00 9.7461E-01
S6 -7.6699E-02 -9.4702E-03 -1.2840E-01 2.0427E-01 -1.5716E-01 5.6057E-02 -2.1937E-03
S7 1.8498E-02 1.7299E-01 -4.7350E-01 4.7714E-01 -2.6756E-01 7.4336E-02 -6.8220E-03
S8 5.7537E-03 7.3887E-02 -2.4090E-01 2.6763E-01 -1.4389E-01 3.7750E-02 -3.9006E-03
S9 1.8721E-01 -3.9636E-01 2.5939E-01 -1.0308E-01 2.9887E-02 -5.4309E-03 4.2185E-04
S10 1.8361E-01 -3.8288E-01 2.7470E-01 -1.1433E-01 2.9185E-02 -4.1006E-03 2.3717E-04
S11 -2.4432E-01 2.8030E-02 7.3817E-02 -4.3451E-02 1.0863E-02 -1.3117E-03 6.2210E-05
S12 -1.9598E-01 1.1947E-01 -4.3589E-02 9.5162E-03 -1.2232E-03 7.9791E-05 -1.5884E-06
Table 21
Fig. 32 shows an on-axis chromatic aberration curve of the imaging lens group of embodiment 7, which indicates a convergent focus deviation of light rays of different wavelengths after passing through an optical system. Fig. 33 shows an astigmatism curve of the imaging lens group of embodiment 7, which represents meridional image plane curvature and sagittal image plane curvature. Fig. 34 shows a distortion curve of the imaging lens group of embodiment 7, which represents distortion magnitude values in the case of different angles of view. Fig. 35 shows a magnification chromatic aberration curve of the imaging lens group of embodiment 7, which represents a deviation of different image heights on an imaging plane after light passes through the imaging lens group. As can be seen from the above description and referring to fig. 31 to 35, the imaging lens assembly according to embodiment 7 can realize the aligning function in a grouping manner, thereby improving the module process yield and shortening the AF time.
In summary, in the above-described embodiments 1 to 7, each conditional expression satisfies the condition of the following table 22.
Condition/example 1 2 3 4 5 6 7
fa/f 0.80 1.07 1.07 1.15 1.92 1.14 0.96
f/EPD 2.67 1.69 1.79 2.05 1.69 1.75 1.68
ETa 0.33 0.29 0.34 0.19 0.24 0.32 0.27
f/TTL 1.12 0.82 0.86 0.86 0.82 0.82 0.84
f/|fb| 0.99 0.24 0.34 0.11 0.75 0.13 0.48
f/fbi -0.20 -0.49 -1.62 -0.88 -0.40 -1.40 -1.22
V1/(V1+V2) 0.73 0.73 0.73 0.70 0.73 0.73 0.80
Table 22
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (5)

1. An imaging lens group, comprising, in order from an object side to an image side of the imaging lens group:
the lens closest to the object side in the core adjusting group is a first lens and has positive focal power, and a lens adjacent to the image side surface of the first lens in the core adjusting group is a second lens and has negative focal power; the position of the core adjusting group is adjustable in the direction perpendicular to the optical axis of the imaging lens group; and
a fixed group having optical power and including at least one lens, wherein a lens closest to an image side in the fixed group is a sixth lens having negative optical power;
the lens adjacent to the image side surface of the second lens is a third lens and has positive focal power;
the lens adjacent to the object side surface of the sixth lens is a fifth lens and has positive focal power;
the number of the lenses with focal power of the camera lens group is six, and the number of the lenses with focal power of the core adjusting group is two;
it is characterized in that the effective focal length fa of the core adjusting group and the effective focal length f of the camera lens group are 0.6 fa/f less than or equal to 1.15,
the effective focal length f of the camera lens group and the entrance pupil diameter EPD of the camera lens group are 1.6-2.05, and
the effective focal length f of the imaging lens group and the effective focal length fbi of the sixth lens meet-2.0 < f/fbi less than or equal to-0.88.
2. The imaging lens set according to claim 1, wherein an edge thickness ETa between the core adjustment set and the fixed set at a maximum radius satisfies 0.15mm < eta <0.5mm.
3. The imaging lens assembly of claim 1, wherein an effective focal length f of the imaging lens assembly and an on-axis distance TTL from an object side surface to an imaging surface of the first lens element satisfy 0.8-1.2.
4. The imaging lens group according to claim 2, wherein an effective focal length f of the imaging lens group and an effective focal length fb of the fixed group satisfy f/|fb|+.1.0.
5. The imaging lens group according to claim 1, wherein 0.5< V1/(v1+v2) <1 is satisfied between an abbe number V1 of the first lens and an abbe number V2 of the second lens.
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CN201710838881.8A CN107390354B (en) 2017-09-18 2017-09-18 Image pickup lens group
PCT/CN2018/084224 WO2019052180A1 (en) 2017-09-18 2018-04-24 Camera lens group
US16/226,959 US10996440B2 (en) 2017-09-18 2018-12-20 Camera lens assembly

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