CN107479172B - Imaging lens system group - Google Patents

Imaging lens system group Download PDF

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Publication number
CN107479172B
CN107479172B CN201710889190.0A CN201710889190A CN107479172B CN 107479172 B CN107479172 B CN 107479172B CN 201710889190 A CN201710889190 A CN 201710889190A CN 107479172 B CN107479172 B CN 107479172B
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lens
system group
imaging lens
lens system
imaging
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CN107479172A (en
Inventor
李明
邢天详
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Priority to CN201710889190.0A priority Critical patent/CN107479172B/en
Publication of CN107479172A publication Critical patent/CN107479172A/en
Priority to PCT/CN2018/086539 priority patent/WO2019062136A1/en
Priority to US16/273,806 priority patent/US11169353B2/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses

Abstract

This application discloses a kind of imaging lens system groups, successively include: the first lens with positive light coke from object side to image side, and object side is convex surface；The second lens with positive light coke；The third lens with focal power；4th lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, image side surface are concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, meet between the effective focal length f of imaging lens system group and the Entry pupil diameters EPD of imaging lens system group: f/EPD≤1.60.The imaging lens system group of the application is applicable to portable electronic product, is the optical system with large aperture, good image quality and low sensitivity.

Description

Imaging lens system group
Technical field
The present invention relates to a kind of imaging lens system groups, the imaging lens system group being especially made of seven eyeglasses.
Background technique
With the development of science and technology, requirement of the market to product end imaging lens is further diversified.Portable electronic produces Product increasingly tend to minimize, and which has limited the overall lengths of camera lens, to increase the design difficulty of camera lens.In order to meet miniaturization Requirement, the F number that existing camera lens usually configures 2.0 or 2.0 or more, realize while reducing Lens have it is good Optical property.But with the continuous development of the portable electronic products such as smart phone, higher want is proposed to imaging lens Ask, situations such as especially for insufficient light (such as rainy days, dusk), hand shaking, so 2.0 or 2.0 or more F number without Method meets the imaging requirements of higher order.
Therefore, the invention proposes one kind to be applicable to portable electronic product, have large aperture, good image quality and The imaging lens system group of low sensitivity.
Summary of the invention
In order to solve the problems, such as it is in the prior art at least one, the present invention provides a kind of imaging lens system groups.
One aspect of the present invention provides a kind of imaging lens system group, a kind of imaging lens system group, successively from object side to image side It include: the first lens with positive light coke, object side is convex surface；The second lens with positive light coke；With focal power The third lens；4th lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；With light focus 6th lens of degree, image side surface are concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, camera shooting is saturating Meet between the effective focal length f of microscope group and the Entry pupil diameters EPD of imaging lens system group: f/EPD≤1.60.
According to embodiment of the present invention, the 4th lens have focal power.
According to embodiment of the present invention, the abbe number V2 of the second lens, the abbe number V3 of the third lens, Meet between abbe number V4, the abbe number V6 of the 6th lens and the abbe number V7 of the 7th lens of four lens: 1 < (V2 +V7)/(V3+V4+V6)<2。
According to embodiment of the present invention, the effective focal length f2 of the effective focal length f1 of the first lens and the second lens it Between meet: 1≤f1/f2 < 5.
According to embodiment of the present invention, effective pixel region on the Entry pupil diameters EPD Yu imaging surface of imaging lens system group Meet between the half ImgH of domain diagonal line length: EPD/ImgH >=0.75.
According to embodiment of the present invention, the radius of curvature R 4 of the second lens image side surface and the 4th lens object side Meet between radius of curvature R 7: | (R4-R7)/(R4+R7) | < 1.5.
According to embodiment of the present invention, the radius of curvature R 8 of the 4th lens image side surface and the 7th lens image side surface Meet between radius of curvature R 14: 0 < (R8-R14)/(R8+R14) < 2.
According to embodiment of the present invention, the effective focal length f1 of the effective focal length f and the first lens of imaging lens system group Between meet: 1.5 < f1/f < 5.
According to embodiment of the present invention, on the axis of the second lens and the 5th lens distance T23 and the 5th lens with Meet between distance T56 on the axis of 6th lens: 0 < T23/T56 < 3.5.
According to embodiment of the present invention, the curvature of the effective focal length f of imaging lens system group and the 5th lens object side Meet between radius R9: -1 < f/R9 < 0.
According to embodiment of the present invention, the radius of curvature R 1 of the first lens object side and the 5th lens object side Meet between radius of curvature R 9: -0.5 < R1/R9 < 0.
According to embodiment of the present invention, the curvature of the effective focal length f and the 6th lens image side surface of imaging lens system group Meet between radius R12: 0 < f/R12 < 1.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree；The second lens with positive light coke；The third lens with focal power；4th lens；With focal power The 5th lens；The 6th lens with focal power；The 7th lens with negative power；Wherein, the dispersion system of the second lens Number V2, the abbe number V3 of the third lens, the abbe number V4 of the 4th lens, the abbe number V6 and the 7th of the 6th lens are saturating Meet between the abbe number V7 of mirror: 1 < (V2+V7)/(V3+V4+V6) < 2.
According to embodiment of the present invention, the object side of the first lens is convex surface；The object side of 5th lens is recessed Face and image side surface are convex surface；The image side surface of 6th lens is concave surface；And the 7th lens image side surface be concave surface.
According to embodiment of the present invention, the 4th lens have focal power.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, the effective focal length of the first lens Meet between f1 and the effective focal length f2 of the second lens: 1≤f1/f2 < 5.
According to embodiment of the present invention, the 4th lens have focal power.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, the entrance pupil of imaging lens system group is straight Meet between the half ImgH of effective pixel area diagonal line length on diameter EPD and imaging surface: EPD/ImgH >=0.75.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, the song of the 4th lens image side surface Meet between rate radius R8 and the radius of curvature R 14 of the 7th lens image side surface: 0 < (R8-R14)/(R8+R14) < 2.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, the song of the second lens image side surface Meet between rate radius R4 and the radius of curvature R 7 of the 4th lens object side: | (R4-R7)/(R4+R7) | < 1.5.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, effective coke of imaging lens system group Away from meeting between f and the effective focal length f1 of the first lens: 1.5 < f1/f < 5.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, the second lens and the 5th lens Axis on meet on the axis of distance T23 and the 5th lens and the 6th lens between distance T56: 0 < T23/T56 < 3.5.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, effective coke of imaging lens system group Meet between radius of curvature R 9 away from f and the 5th lens object side: -1 < f/R9 < 0.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；Wherein, the song of the first lens object side Meet between rate radius R1 and the radius of curvature R 9 of the 5th lens object side: -0.5 < R1/R9 < 0.
One aspect of the present invention provides a kind of imaging lens system group, successively includes: with positive light focus from object side to image side First lens of degree, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th Lens；The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, Its image side surface is concave surface；The 7th lens with negative power, image side surface are concave surface；The wherein effective focal length of imaging lens system group Meet between f and the radius of curvature R 12 of the 6th lens image side surface: 0 < f/R12 < 1.
Imaging lens system group according to the present invention is applicable to portable electronic product, is with large aperture, well at image quality The optical system of amount and low sensitivity.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other feature of the invention, purpose and excellent Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the imaging lens system group of embodiment 1；
Fig. 2 to Fig. 5 respectively illustrates chromatic curve, astigmatism curve, distortion curve on the axis of the imaging lens system group of embodiment 1 With ratio chromatism, curve；
Fig. 6 shows the structural schematic diagram of the imaging lens system group of embodiment 2；
Fig. 7 to Figure 10 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 2, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the imaging lens system group of embodiment 3；
Figure 12 to Figure 15 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 3, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 16 shows the structural schematic diagram of the imaging lens system group of embodiment 4；
Figure 17 to Figure 20 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 4, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 21 shows the structural schematic diagram of the imaging lens system group of embodiment 5；
Figure 22 to Figure 25 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 5, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 26 shows the structural schematic diagram of the imaging lens system group of embodiment 6；
Figure 27 to Figure 30 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 6, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 31 shows the structural schematic diagram of the imaging lens system group of embodiment 7；
Figure 32 to Figure 35 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 7, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 36 shows the structural schematic diagram of the imaging lens system group of embodiment 8；
Figure 37 to Figure 40 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 8, astigmatism curve, distortion song Line and ratio chromatism, curve；
Figure 41 shows the structural schematic diagram of the imaging lens system group of embodiment 9；And
Figure 42 to Figure 45 respectively illustrates chromatic curve on the axis of the imaging lens system group of embodiment 9, astigmatism curve, distortion song Line and ratio chromatism, curve.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be understood that in this application, when element or layer be described as be in another element or layer "upper", " being connected to " or When " being attached to " another element or layer, can directly on another element or layer, be connected directly to or be attached to another element or Layer, or element or layer between may be present.When element is known as " located immediately at " another element or layer "upper", " directly connects It is connected to " or " being attached directly to " another element or when layer, there is no elements or layer between.In the specification, phase Same label refers to identical element.As used in this article, term "and/or" includes one in associated listed item Or multiple any and all combinations.
Although it should be understood that term the 1st, the 2nd or first, second etc. herein can be used to describe various elements, Component, region, layer and/or section, but these component, assembly units, region, layer and/or Duan Buying are limited by these terms.These are used Language is only used for distinguishing a component, assembly unit, region, layer or section and another component, assembly unit, region, layer or section.Therefore, Without departing substantially from teachings of the present application, first element, component, region, layer or section discussed below can be referred to Two element, component, region, layer or section.
Terminology used herein is only used for the purpose of description specific embodiment, it is no intended to limit the application.Such as exist It is used herein, unless clearly dictating in context, packet otherwise is also intended to without limiting the feature of single plural form Include the feature of plural form.It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", It indicates there is stated feature, entirety, step, operations, elements, and/or components when used in this manual, but does not arrange Except there is or add one or more of the other feature, entirety, step, operation, component, assembly unit and/or their group.Such as herein Used in, term "and/or" includes any of one or more of associated listed item and all combinations.Such as When the statement of at least one of " ... " is after the list for appearing in element, entire element list is modified, rather than modifies column Individual component in table.In addition, when describing presently filed embodiment, " can with " be used to indicate " one or more of the application A embodiment ".Also, term " illustrative " is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
This application provides a kind of imaging lens system groups, successively include: first with positive light coke saturating from object side to image side Mirror, object side are convex surface；The second lens with positive light coke；The third lens with focal power；4th lens；With light 5th lens of focal power, object side are concave surface, and image side surface is convex surface；The 6th lens with focal power, image side surface are Concave surface；The 7th lens with negative power, image side surface are concave surface.
In embodiments herein, the 4th lens can have focal power.
In embodiments herein, the abbe number V2 of the second lens, the abbe number V3 of the third lens, the 4th lens Abbe number V4, the abbe number V6 of the 6th lens and the abbe number V7 of the 7th lens between meet: 1 < (V2+V7)/ (V3+V4+V6)<2.Specifically, meet 1.12≤(V2+V7)/(V3+V4+V6)≤1.83.Meet the pick-up lens of above-mentioned relation Group has object lens of large relative aperture, good shooting effect can be obtained, while meeting the specification effect of existing electronic product, and energy Enough by cooperating to correction camera lens color difference between different materials.
In embodiments herein, the Entry pupil diameters EPD of imaging lens system group and effective pixel area on imaging surface are diagonal Meet between the half ImgH of wire length: EPD/ImgH >=0.75.Specifically, meet EPD/ImgH >=0.76.It is above-mentioned by meeting Relationship is able to maintain that camera lens minimizes, and realizes large aperture and the shooting of high image quality.
In embodiments herein, between the effective focal length f of imaging lens system group and the Entry pupil diameters EPD of imaging lens system group Meet: f/EPD≤1.60.Specifically, meet f/EPD≤1.58.The pick-up lens group for meeting above-mentioned relation has big relative opening Good shooting effect can be obtained in diameter, while meeting the specification effect of existing electronic product, and can pass through different materials Between cooperate to correction camera lens color difference.
In embodiments herein, the radius of curvature R 8 of the 4th lens image side surface and the curvature half of the 7th lens image side surface Meet between diameter R14: 0 < (R8-R14)/(R8+R14) < 2.Specifically, meet 0.72≤(R8-R14)/(R8+R14)≤1.04. By meeting above-mentioned relation, the aberrations such as astigmatism, the distortion of imaging system can be effectively corrected, while being conducive to matching chip key light Line angle degree.
In embodiments herein, the curvature half of the radius of curvature R 4 of the second lens image side surface and the 4th lens object side Meet between diameter R7: | (R4-R7)/(R4+R7) | < 1.5.Specifically, meet | (R4-R7)/(R4+R7) |≤1.30.By full Sufficient above-mentioned relation can be balanced spherical aberration, reduce coma, avoid periphery slope variation larger, and then reduce stray light It generates.
It is full between the effective focal length f of imaging lens system group and the effective focal length f1 of the first lens in embodiments herein Foot: 1.5 < f1/f < 5.Specifically, meet 1.91≤f1/f≤4.70.By meeting above-mentioned relation, deflection of light can be reduced Degree, correction mirror head portrait is poor, reduce tolerance sensitivity and evades stray light.
It is full between the effective focal length f1 of the first lens and the effective focal length f2 of the second lens in embodiments herein Foot: 1≤f1/f2 < 5.Specifically, meet 1.08≤f1/f2≤4.21.The pick-up lens group for meeting above-mentioned relation can pass through light Focal power distributes to correct aberration and reduce sensibility.
In embodiments herein, on the axis of the second lens and the 5th lens distance T23 and the 5th lens and the 6th thoroughly Meet between distance T56 on the axis of mirror: 0 < T23/T56 < 3.5.Specifically, meet 0.31≤T23/T56≤1.00.Pass through satisfaction Above-mentioned relation, effectively control TTL realize miniaturization, correction marginal aberration, to further promote image quality；And effectively Lens are avoided to form bad problem.
In embodiments herein, the radius of curvature R 9 of the effective focal length f of imaging lens system group and the 5th lens object side Between meet: -1 < f/R9 < 0.Specifically, meet -0.79≤f/R9≤- 0.04.The pick-up lens group for meeting above-mentioned relation can The rationally radius of curvature of the 5th lens object side of control improves tendency of the light on the 5th lens, promotes relative illumination, simultaneously Astigmatism can be effectively corrected.
In embodiments herein, the radius of curvature R 1 of the first lens object side and the curvature half of the 5th lens object side Meet between diameter R9: -0.5 < R1/R9 < 0.Specifically, meet -0.37≤R1/R9≤- 0.02.Meet the above conditions, favorably In the high-order spherical aberration of balance system, system centre region visual field sensibility is reduced.
In embodiments herein, the effective focal length f of imaging lens system group and the radius of curvature R 12 of the 6th lens image side surface Between meet: 0 < f/R12 < 1.Specifically, meet 0.31≤f/R12≤0.92.By meeting above-mentioned relation, can rationally control The radius of curvature of 6th lens image side surface improves tendency of the light on the 6th lens, promotes relative illumination, while can effectively rectify Just as scattered.
The application is further described below in conjunction with specific embodiment.
Embodiment 1
With reference first to Fig. 1 to Fig. 5 description according to the imaging lens system group of the embodiment of the present application 1.
Fig. 1 is to show the structural schematic diagram of the imaging lens system group of embodiment 1.As shown in Figure 1, imaging lens system group includes 7 Piece lens.This 7 lens are respectively the first lens E1 with object side S1 and image side surface S2, have object side S3 and image side surface The second lens E2, the third lens E3 with object side S5 and image side surface S6, with object side S7 and image side surface S8 of S4 Four lens E4, the 5th lens E5 with object side S9 and image side surface S10, the with object side S11 and image side surface S12 the 6th are thoroughly Mirror E6 and the 7th lens E7 with object side S13 and image side surface S14.First lens E1 to the 7th lens E7 is from imaging lens system group Object side set gradually to image side.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its object side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have positive light coke, and its object side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The imaging lens system group further includes the optical filter E8 with object side S15 and image side surface S16 for filtering out infrared light. In this embodiment, the light from object sequentially passes through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
In this embodiment, the first lens E1 to the 7th lens E7 is respectively provided with respective effective focal length f1 to f7.First Lens E1 is arranged successively along optical axis to the 7th lens E7 and has codetermined total effective focal length f of imaging lens system group.The following table 1 is shown Effective focal length f1 to f7, the total effective focal length f of imaging lens system group, imaging lens system group of the first lens E1 to the 7th lens E7 are gone out Total length TTL (mm) and electronics light sensitive component effective pixel area diagonal line length half ImgH.
f1(mm 9.86 f(mm) 3.74
f2(mm) 4.80 TTL(mm) 4.70
f3(mm) -9.11 ImgH(mm) 3.05
f4(mm) -17.77
f5(mm) 6.33
f6(mm) 29.81
f7(mm) -6.03
Table 1
Table 2 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 2
In the present embodiment, non-spherical lens can be used in each lens, and each aspherical face type x is limited by following formula:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient ( It has been provided in table 2)；Ai is the correction factor of aspherical i-th-th rank.
The following table 3 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number.
Face number A4 A A8 A10 A12 A14 A16 A18
S1 -1.0860E-02 4.7760E-03 -4.3650E-02 5.0083E-02 -3.8110E-02 1.1820E-02 -4.9000E-04 0.0000E+00
S2 1.4477E-02 -3.6550E-02 -9.5000E-04 -5.0800E-03 6.5630E-03 0.0000E+00 0.0000E+00 0.0000E+00
S4 -8.5490E-02 2.8990E-01 -4.3572E-01 2.1934E-01 4.7103E-02 -8.2970E-02 2.2087E-02 0.0000E+00
S5 -1.2135E-01 3.0222E-01 -3.7841E-01 5.3567E-02 2.7570E-01 -2.0641E-01 4.6009E-02 0.0000E+00
S6 -1.1447E-01 6.7294E-02 1.3682E-01 -5.8444E-01 8.3783E-01 -5.5230E-01 1.5137E-01 0.0000E+00
S7 -1.4576E-01 8.8055E-02 -1.4886E-01 5.9521E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -1.6728E-01 2.3668E-01 -2.3850E-01 7.7323E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 -2.4545E-01 5.0481E-01 -4.4030E-01 1.8682E-01 -3.3040E-02 0.0000E+00 0.0000E+00 0.0000E+00
S10 -3.0750E-01 6.7926E-01 -1.0158E+00 1.0332E+00 -6.3711E-01 2.2836E-01 -4.4220E-02 3.5925E-03
S11 1.3185E-01 -1.3514E-01 -2.3280E-02 8.0988E-02 -5.3150E-02 1.5509E-02 -1.6600E-03 -3.6442E-06
S12 1.2396E-01 -1.7932E-01 8.6912E-02 -2.3740E-02 1.6270E-03 1.0230E-03 -2.6000E-04 1.7297E-05
S13 -4.2169E-01 2.5686E-01 -1.1652E-01 4.7170E-02 -1.3450E-02 2.2990E-03 -2.1000E-04 7.8193E-06
S14 -2.6144E-01 1.8308E-01 -1.0266E-01 4.1244E-02 -1.0530E-02 1.5770E-03 -1.2000E-04 3.9880E-06
Table 3
Fig. 2 shows chromatic curves on the axis of the imaging lens system group of embodiment 1, indicate the light of different wave length via light Converging focal point after system deviates.Fig. 3 shows the astigmatism curve of the imaging lens system group of embodiment 1, indicates meridianal image surface Bending and sagittal image surface bending.Fig. 4 shows the distortion curve of the imaging lens system group of embodiment 1, indicates different perspectives situation Under distortion sizes values.Fig. 5 shows the ratio chromatism, curve of the imaging lens system group of embodiment 1, indicates light via camera shooting The deviation of different image heights after lens group on imaging surface.It can be seen that in summary and referring to Fig. 2 to Fig. 5 according to implementation The imaging lens system group of example 1 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 2
Referring to Fig. 6 to Figure 10 description according to the imaging lens system group of the embodiment of the present application 2.
Fig. 6 is to show the structural schematic diagram of the imaging lens system group of embodiment 2.As shown in fig. 6, imaging lens system group includes 7 Piece lens.This 7 lens are respectively the first lens E1 with object side S1 and image side surface S2, have object side S3 and image side surface The second lens E2, the third lens E3 with object side S5 and image side surface S6, with object side S7 and image side surface S8 of S4 Four lens E4, the 5th lens E5 with object side S9 and image side surface S10, the with object side S11 and image side surface S12 the 6th are thoroughly Mirror E6 and the 7th lens E7 with object side S13 and image side surface S14.First lens E1 to the 7th lens E7 is from imaging lens system group Object side set gradually to image side.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its object side S7 can be concave surface, and image side surface S8 can be convex surface.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have positive light coke, and its object side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The imaging lens system group further includes the optical filter E8 with object side S15 and image side surface S16 for filtering out infrared light. In this embodiment, the light from object sequentially passes through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
The following table 4 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
Table 4
Table 5 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 5
The following table 6 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 6
Fig. 7 shows chromatic curve on the axis of the imaging lens system group of embodiment 2, indicates the light of different wave length via light Converging focal point after system deviates.Fig. 8 shows the astigmatism curve of the imaging lens system group of embodiment 2, indicates meridianal image surface Bending and sagittal image surface bending.Fig. 9 shows the distortion curve of the imaging lens system group of embodiment 2, indicates different perspectives situation Under distortion sizes values.Figure 10 shows the ratio chromatism, curve of the imaging lens system group of embodiment 2, indicates light via camera shooting The deviation of different image heights after lens group on imaging surface.It can be seen that in summary and referring to Fig. 7 to Figure 10 according to implementation The imaging lens system group of example 2 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 3
Referring to Figure 11 to Figure 15 description according to the imaging lens system group of the embodiment of the present application 3.
Figure 11 is to show the structural schematic diagram of the imaging lens system group of embodiment 3.Imaging lens system group by object side to image side according to Secondary includes the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and Seven lens E7.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its object side S7 can be concave surface, and image side surface S8 can be convex surface.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have positive light coke, and its object side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The following table 7 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
f1(mm) 9.92 f(mm 3.82
f2(mm) 4.75 TTL(mm) 4.70
f3(mm -10.87 ImgH(mm) 3.10
f4(mm) -141.12
f5(mm) 10.85
f6(mm) 26.31
f7(mm) -5.63
Table 7
Table 8 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 8
The following table 9 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A4 A16 A18
S1 -8.5600E-03 7.2490E-03 -3.9930E-02 3.7359E-02 -2.0020E-02 3.1400E-05 2.0920E-03 0.0000E+00
S2 2.2676E-02 -3.8050E-02 3.5960E-03 -1.5310E-02 9.9950E-03 0.0000E+00 0.0000E+00 0.0000E+00
S4 -8.0160E-02 2.6860E-01 -4.1555E-01 3.1960E-01 -1.5156E-01 4.7024E-02 -7.2600E-03 0.0000E+00
S5 -1.0877E-01 2.7040E-01 -4.1026E-01 2.8590E-01 -8.0270E-02 1.7689E-02 -4.4200E-03 0.0000E+00
S6 -9.9170E-02 -2.6310E-02 4.1103E-01 -1.1841E+00 1.6614E+00 -1.1654E+00 3.4150E-01 0.0000E+00
S7 -8.3090E-02 -1.7330E-02 -6.0080E-02 3.5458E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -1.0475E-01 1.0834E-01 -1.1471E-01 4.2201E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 -1.6415E-01 3.3374E-01 -2.7623E-01 1.1956E-01 -2.3180E-02 0.0000E+00 0.0000E+00 0.0000E+00
S10 -2.8115E-01 5.6501E-01 -7.7447E-01 7.2420E-01 -4.0822E-01 1.3312E-01 -2.3499E-02 1.7545E-03
S11 1.1507E-01 -1.1478E-01 -7.3110E-02 1.3139E-01 -7.5350E-02 2.0254E-02 -2.1828E-03 2.6560E-05
S12 1.3253E-01 -1.3895E-01 -6.4300E-03 6.4735E-02 -4.2950E-02 1.3330E-02 -2.0171E-03 1.1904E-04
S13 -4.3318E-01 3.8761E-01 -2.5035E-01 1.0563E-01 -2.6750E-02 3.8920E-03 -2.9643E-04 8.9304E-06
S14 -2.3326E-01 1.6981E-01 -9.4780E-02 3.3207E-02 -6.4500E-03 5.8200E-04 -7.9030E-06 -1.3485E-06
Table 9
Figure 12 shows chromatic curve on the axis of the imaging lens system group of embodiment 3, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 13 shows the astigmatism curve of the imaging lens system group of embodiment 3, indicates meridian picture Face bending and sagittal image surface bending.Figure 14 shows the distortion curve of the imaging lens system group of embodiment 3, indicates different perspectives feelings Distortion sizes values under condition.Figure 15 shows the ratio chromatism, curve of the imaging lens system group of embodiment 3, indicates light via taking the photograph As the deviation of the different image heights after lens group on imaging surface.2 to Figure 15 it can be seen that basis in summary and referring to Fig.1 The imaging lens system group of embodiment 3 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 4
Referring to Figure 16 to Figure 20 description according to the imaging lens system group of the embodiment of the present application 4.
Figure 16 is to show the structural schematic diagram of the imaging lens system group of embodiment 4.Imaging lens system group by object side to image side according to Secondary includes the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and Seven lens E7.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be convex surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can not have focal power, and its object side S7 can be plane, and image side surface S8 can be plane.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its object side S11 can be concave surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The following table 10 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
f1(mm) 7.33 f(mm) 3.78
f2(mm) 5.60 TTL(mm) 4.70
f3mm) -10.53 ImgH(mm) 3.05
f4(mm) -
f5mm) 5.15
f6(mm) -10.73
f7(mm) -6.59
Table 10
The following table 11 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 11
The following table 12 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18
S1 -9.4900E-03 2.0266E-02 -7.9972E-02 1.0631E-01 -8.7070E-02 3.3585E-02 -4.4300E-03 0.0000E+00
S2 6.9190E-03 -2.3220E-02 -6.2349E-03 -5.5900E-03 8.0840E-03 0.0000E+00 0.0000E+00 0.0000E+00
S4 -1.4361E-01 4.0880E-01 -5.4079E-01 2.6064E-01 3.3296E-02 -7.1550E-02 1.7835E-02 0.0000E+00
S5 -1.8047E-01 4.7305E-01 -6.4394E-01 4.2224E-01 -1.0734E-01 1.7410E-02 -5.9500E-03 0.0000E+00
S6 -1.0350E-01 7.7987E-02 1.6172E-01 -6.7627E-01 9.8486E-01 -6.7683E-01 1.9565E-01 0.0000E+00
S7 -1.1986E-01 7.7527E-02 -1.7534E-01 7.4921E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -2.1594E-01 3.7424E-01 -3.6863E-01 1.2204E-01 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 -3.7874E-01 9.0234E-01 -8.7538E-01 4.0822E-01 -7.7510E-02 0.0000E+00 0.0000E+00 0.0000E+00
S10 -2.6863E-01 5.7037E-01 -8.2832E-01 8.0948E-01 -4.7993E-01 1.6719E-01 -3.2204E-02 2.6860E-03
S11 2.8741E-01 -4.7284E-01 3.8312E-01 -2.5030E-01 1.2662E-01 -4.4510E-02 9.3618E-03 -8.5000E-04
S12 1.6330E-01 -2.4248E-01 1.3829E-01 -4.8190E-02 9.1780E-03 -4.6000E-04 -1.0841E-04 1.2500E-05
S13 -4.3064E-01 3.4273E-01 -2.1330E-01 9.6672E-02 -2.7720E-02 4.7190E-03 -4.3665E-04 1.6900E-05
S14 -2.5496E-01 1.9092E-01 -1.1492E-01 4.6577E-02 -1.1560E-02 1.6630E-03 -1.2602E-04 3.8400E-06
Table 12
Figure 17 shows chromatic curve on the axis of the imaging lens system group of embodiment 4, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 18 shows the astigmatism curve of the imaging lens system group of embodiment 4, indicates meridian picture Face bending and sagittal image surface bending.Figure 19 shows the distortion curve of the imaging lens system group of embodiment 4, indicates different perspectives feelings Distortion sizes values under condition.Figure 20 shows the ratio chromatism, curve of the imaging lens system group of embodiment 4, indicates light via taking the photograph As the deviation of the different image heights after lens group on imaging surface.7 to Figure 20 it can be seen that basis in summary and referring to Fig.1 The imaging lens system group of embodiment 4 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 5
Referring to Figure 21 to Figure 25 description according to the imaging lens system group of the embodiment of the present application 5.
Figure 21 is to show the structural schematic diagram of the imaging lens system group of embodiment 5.Imaging lens system group by object side to image side according to Secondary includes the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and Seven lens E7.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have positive light coke, and its object side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have negative power, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have positive light coke, and its object side S9 can be convex surface, and image side surface S10 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The following table 13 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
Table 13
The following table 14 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 14
The following table 15 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 15
Figure 22 shows chromatic curve on the axis of the imaging lens system group of embodiment 5, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 23 shows the astigmatism curve of the imaging lens system group of embodiment 5, indicates meridian picture Face bending and sagittal image surface bending.Figure 24 shows the distortion curve of the imaging lens system group of embodiment 5, indicates different perspectives feelings Distortion sizes values under condition.Figure 25 shows the ratio chromatism, curve of the imaging lens system group of embodiment 5, indicates light via taking the photograph As the deviation of the different image heights after lens group on imaging surface.It can be seen that basis in summary and referring to Figure 22 to Figure 25 The imaging lens system group of embodiment 5 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 6
Referring to Figure 26 to Figure 30 description according to the imaging lens system group of the embodiment of the present application 6.
Figure 26 is to show the structural schematic diagram of the imaging lens system group of embodiment 6.Imaging lens system group by object side to image side according to Secondary includes the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and Seven lens E7.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 can be concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have positive light coke, and its object side S7 can be concave surface, and image side surface S8 can be convex surface.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its object side S11 can be concave surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The following table 16 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
f1(mm) 7.21 f(mm) 3.78
f2(mm) 6.66 TTL(mm) 4.70
f3(mm) -15.88 ImgH(mm) 3.10
f4(mm) 5991.62
f5(mm) 5.59
f6(mm) -11.01
f7(mm) -7.41
Table 16
The following table 17 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 17
The following table 18 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A6 A18
S1 -1.2990E-02 4.2052E-02 -1.3844E-01 1.9172E-01 -1.5220E-01 5.9830E-02 -8.9500E-03 0.0000E+00
S2 7.8340E-03 -3.2120E-02 2.6350E-03 -5.2900E-03 5.5160E-03 0.0000E+00 0.0000E+00 0.0000E+00
S4 -1.6480E-01 3.9630E-01 -4.2233E-01 4.2800E-02 2.1215E-01 -1.3825E-01 2.6585E-02 0.0000E+00
S5 -1.6481E-01 3.9671E-01 -4.4892E-01 1.4036E-01 1.2238E-01 -8.0860E-02 1.0881E-02 0.0000E+00
S6 -9.7010E-02 6.2425E-02 1.4916E-01 -5.8114E-01 8.4397E-01 -5.7975E-01 1.7011E-01 0.0000E+00
S7 -1.0650E-01 4.3105E-02 -1.4729E-01 7.3428E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -1.9024E-01 3.2041E-01 -3.2087E-01 1.0872E-01 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 -3.5051E-01 8.3246E-01 -8.1280E-01 3.8527E-01 -7.5130E-02 0.0000E+00 0.0000E+00 0.0000E+00
S10 -2.9298E-01 6.3334E-01 -9.4361E-01 9.1187E-01 -5.2105E-01 1.7119E-01 -3.0390E-02 2.2860E-03
S11 2.7014E-01 -4.1578E-01 2.7667E-01 -1.4670E-01 6.7038E-02 -2.3900E-02 5.4350E-03 -5.4000E-04
S12 1.7155E-01 -2.5852E-01 1.4886E-01 -5.4010E-02 1.1521E-02 -9.3000E-04 -7.9000E-05 1.3700E-05
S13 -4.5571E-01 3.7834E-01 -2.4236E-01 1.1122E-01 -3.2070E-02 5.4690E-03 -5.0000E-04 1.9400E-05
S14 -2.5534E-01 2.0031E-01 -1.2860E-01 5.5718E-02 -1.4860E-02 2.3170E-03 -1.9000E-04 6.5500E-06
Table 18
Figure 27 shows chromatic curve on the axis of the imaging lens system group of embodiment 6, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 28 shows the astigmatism curve of the imaging lens system group of embodiment 6, indicates meridian picture Face bending and sagittal image surface bending.Figure 29 shows the distortion curve of the imaging lens system group of embodiment 6, indicates different perspectives feelings Distortion sizes values under condition.Figure 30 shows the ratio chromatism, curve of the imaging lens system group of embodiment 6, indicates light via taking the photograph As the deviation of the different image heights after lens group on imaging surface.It can be seen that basis in summary and referring to Figure 27 to Figure 30 The imaging lens system group of embodiment 6 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 7
Referring to Figure 31 to Figure 35 description according to the imaging lens system group of the embodiment of the present application 7.
Figure 31 is to show the structural schematic diagram of the imaging lens system group of embodiment 7.Imaging lens system group by object side to image side according to Secondary includes the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and Seven lens E7.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its object side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its object side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The following table 19 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
f1(mm) 7.51 f(mm) 3.87
f2(mm) 6.47 TTL(mm) 4.80
f3(mm) -12.86 ImgH(mm) 3.10
f4(mm) -265.54
f5(mm) 5.37
f6(mm) -14.42
f7(mm) -6.38
Table 19
The following table 20 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 20
The following table 21 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18
S1 -8.8300E-03 2.6736E-02 -8.8770E-02 1.1853E-01 -9.0240E-02 3.3335E-02 -4.6300E-03 0.0000E+00
S2 6.6410E-03 -2.1290E-02 2.2020E-03 -7.4700E-03 4.9910E-03 0.0000E+00 0.0000E+00 0.0000E+00
S4 -1.5924E-01 3.8966E-01 -4.4905E-01 1.4853E-01 8.0575E-02 -6.9260E-02 1.3509E-02 0.0000E+00
S5 -1.5883E-01 3.8028E-01 -4.0222E-01 8.5072E-02 1.3888E-01 -8.2510E-02 1.2041E-02 0.0000E+00
S6 -1.0303E-01 1.3313E-01 -1.5454E-01 1.3776E-01 -1.2410E-01 9.0270E-02 -1.9770E-02 0.0000E+00
S7 -1.2131E-01 8.0581E-02 -1.7907E-01 8.2865E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -1.8170E-01 2.9137E-01 -2.9295E-01 9.8559E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 -3.1840E-01 7.2947E-01 -6.8584E-01 3.1543E-01 -6.0400E-02 0.0000E+00 0.0000E+00 0.0000E+00
S10 -2.6182E-01 5.1702E-01 -7.1956E-01 6.6276E-01 -3.4866E-01 9.7940E-02 -1.3020E-02 5.3900E-04
S11 2.3853E-01 -3.5761E-01 2.3281E-01 -1.2828E-01 6.6553E-02 -2.7790E-02 7.0790E-03 -7.5000E-04
S12 1.5437E-01 -2.1904E-01 1.1381E-01 -3.5650E-02 5.9260E-03 -1.6000E-04 -7.7000E-05 6.0600E-06
S13 -4.3717E-01 3.5984E-01 -2.3114E-01 1.0537E-01 -2.9850E-02 4.9630E-03 -4.4000E-04 1.6500E-05
S14 -2.4568E-01 1.9034E-01 -1.1936E-01 4.9854E-02 -1.2750E-02 1.8990E-03 -1.5000E-04 4.8700E-06
Table 21
Figure 32 shows chromatic curve on the axis of the imaging lens system group of embodiment 7, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 33 shows the astigmatism curve of the imaging lens system group of embodiment 7, indicates meridian picture Face bending and sagittal image surface bending.Figure 34 shows the distortion curve of the imaging lens system group of embodiment 7, indicates different perspectives feelings Distortion sizes values under condition.Figure 35 shows the ratio chromatism, curve of the imaging lens system group of embodiment 7, indicates light via taking the photograph As the deviation of the different image heights after lens group on imaging surface.It can be seen that basis in summary and referring to Figure 31 to Figure 35 The imaging lens system group of embodiment 7 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 8
Referring to Figure 36 to Figure 40 description according to the imaging lens system group of the embodiment of the present application 8.
Figure 36 is to show the structural schematic diagram of the imaging lens system group of embodiment 8.Imaging lens system group by object side to image side according to Secondary includes the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and Seven lens E7.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its object side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have positive light coke, and its object side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The following table 22 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
f1(mm) 8.46 f(mm) 3.80
f2(mm) 6.28 TTL(mm) 4.80
f3(mm) -15.48 ImgH(mm) 3.10
f4(mm) -162.47
f5(mm) 6.87
f6(mm) 36.80
f7(mm) -4.65
Table 22
The following table 23 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 23
The following table 24 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18
S1 -1.0940E-02 3.0015E-02 -8.3650E-02 9.7821E-02 -6.6960E-02 2.2149E-02 -2.7100E-03 0.0000E+00
S2 1.2361E-02 -1.7370E-02 -6.4500E-03 -1.4600E-03 2.5060E-03 0.0000E+00 0.0000E+00 0.0000E+00
S4 -1.3450E-01 2.7675E-01 -2.7570E-01 5.0183E-02 8.3556E-02 -5.3400E-02 9.5160E-03 0.0000E+00
S5 -1.1913E-01 2.3704E-01 -1.6111E-01 -1.1682E-01 2.1987E-01 -9.7610E-02 1.3136E-02 0.0000E+00
S6 -8.5200E-02 6.6576E-02 -5.4800E-03 -7.7290E-02 8.5709E-02 -3.8990E-02 1.5153E-02 0.0000E+00
S7 -1.1680E-01 2.5694E-02 -1.0344E-01 4.7546E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -1.1742E-01 1.0506E-01 -9.2900E-02 2.8104E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 -1.8274E-01 3.2529E-01 -2.4349E-01 1.0411E-01 -2.1510E-02 0.0000E+00 0.0000E+00 0.0000E+00
S10 -1.8189E-01 1.3050E-01 1.3528E-01 -4.3034E-01 4.6529E-01 -2.4619E-01 6.3500E-02 -6.4057E-03
S11 1.0432E-01 -2.6138E-01 3.2019E-01 -3.1876E-01 2.0681E-01 -8.2120E-02 1.8206E-02 -1.7030E-03
S12 1.0859E-01 -2.0669E-01 1.6462E-01 -1.0174E-01 4.1277E-02 -9.6300E-03 1.1800E-03 -5.9655E-05
S13 -5.1651E-01 4.9191E-01 -3.7849E-01 1.9806E-01 -6.2510E-02 1.1454E-02 -1.1300E-03 4.6300E-05
S14 -2.4275E-01 1.9470E-01 -1.2615E-01 5.5675E-02 -1.5250E-02 2.4500E-03 -2.1000E-04 7.5373E-06
Table 24
Figure 37 shows chromatic curve on the axis of the imaging lens system group of embodiment 8, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 38 shows the astigmatism curve of the imaging lens system group of embodiment 8, indicates meridian picture Face bending and sagittal image surface bending.Figure 39 shows the distortion curve of the imaging lens system group of embodiment 8, indicates different perspectives feelings Distortion sizes values under condition.Figure 40 shows the ratio chromatism, curve of the imaging lens system group of embodiment 8, indicates light via taking the photograph As the deviation of the different image heights after lens group on imaging surface.It can be seen that basis in summary and referring to Figure 36 to Figure 40 The imaging lens system group of embodiment 8 is suitable for portable electronic product, has large aperture, good image quality and low sensitivity.
Embodiment 9
Referring to Figure 41 to Figure 45 description according to the imaging lens system group of the embodiment of the present application 9.
Figure 41 is to show the structural schematic diagram of the imaging lens system group of embodiment 9.Imaging lens system group by object side to image side according to Secondary includes the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and Seven lens E7.
First lens E1 can have positive light coke, and its object side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have positive light coke, and its object side S3 can be convex surface, and image side surface S4 can be concave surface.
The third lens E3 can have negative power, and its object side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its object side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its object side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have positive light coke, and its object side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its object side S13 can be convex surface, and image side surface S14 can be concave surface.
The following table 25 show the effective focal length f1 to f7 of the first lens E1 to the 7th lens E7, imaging lens system group it is total effectively The half ImgH of focal length f, the total length TTL of imaging lens system group and electronics light sensitive component effective pixel area diagonal line length.
f1(mm) 12.37 f(mm) 3.85
f2(mm) 4.99 TTL(mm) 4.80
f3(mm) -15.00 ImgH(mm) 3.10
f4(mm) -54.60
f5(mm) 6.28
f6(mm) 103.14
f7(mm) -4.58
Table 25
The following table 26 shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens system group in the embodiment Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 26
The following table 27 shows the high order term system of each aspherical S1-S14 for each non-spherical lens that can be used in the embodiment Number, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18
S1 -4.8600E-03 5.5470E-03 -3.7140E-02 4.0294E-02 -2.6159E-02 6.3070E-03 -1.9000E-04 0.0000E+00
S2 2.6296E-02 -3.2060E-02 1.4204E-02 -1.8220E-02 6.1653E-03 0.0000E+00 0.0000E+00 0.0000E+00
S4 -1.3544E-01 3.2381E-01 -5.1523E-01 4.3718E-01 -2.0020E-01 4.6018E-02 -4.0300E-03 0.0000E+00
S5 1.8981E-02 -9.5870E-02 2.8955E-01 -6.4099E-01 6.8769E-01 -3.3590E-01 6.2245E-02 0.0000E+00
S6 -1.0852E-01 1.5162E-01 -4.3899E-01 8.0845E-01 -1.0002E+00 6.9471E-01 -1.9771E-01 0.0000E+00
S7 -1.3527E-01 9.6878E-02 -1.3961E-01 5.5385E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S8 -1.5707E-01 1.6389E-01 -1.1139E-01 2.8748E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S9 -1.5258E-01 2.7141E-01 -1.8299E-01 6.9543E-02 -1.4464E-02 0.0000E+00 0.0000E+00 0.0000E+00
S10 -4.4000E-02 -9.6080E-02 4.3757E-01 -7.3837E-01 6.7557E-01 -3.3565E-01 8.4681E-02 -8.5100E-03
S11 1.1453E-01 -2.3493E-01 2.5205E-01 -2.4651E-01 1.6353E-01 -6.6810E-02 1.5142E-02 -1.4300E-03
S12 -1.8120E-02 5.1303E-02 -1.3242E-01 1.1297E-01 -5.5670E-02 1.6522E-02 -2.6400E-03 1.7200E-04
S13 -5.2400E-01 5.3076E-01 -4.1963E-01 2.2151E-01 -7.0210E-02 1.2890E-02 -1.2700E-03 5.1900E-05
S14 -2.6242E-01 2.2518E-01 -1.4955E-01 6.6056E-02 -1.8050E-02 2.9140E-03 -2.6000E-04 9.3900E-06
Table 27
Figure 42 shows chromatic curve on the axis of the imaging lens system group of embodiment 9, indicate the light of different wave length via Converging focal point after optical system deviates.Figure 43 shows the astigmatism curve of the imaging lens system group of embodiment 9, indicates meridian picture Face bending and sagittal image surface bending.Figure 44 shows the distortion curve of the imaging lens system group of embodiment 9, indicates different perspectives feelings Distortion sizes values under condition.Figure 45 shows the ratio chromatism, curve of the imaging lens system group of embodiment 9, indicates light via taking the photograph As the deviation of the different image heights after lens group on imaging surface.It can be seen that basis in summary and referring to Figure 41 to Figure 45 The imaging lens system group of embodiment 9 be suitable for portable electronic product, have large aperture,
Good image quality and low sensitivity.
In summary, in above-described embodiment 1 to 9, each conditional meets the condition of following table 28.
Table 28
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (35)

1. a kind of imaging lens system group successively includes: from object side to image side
The first lens with positive light coke, object side are convex surface；
The second lens with positive light coke；
The third lens with focal power；
4th lens；
The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；
The 6th lens with focal power, image side surface are concave surface；
The 7th lens with negative power, image side surface are concave surface；
It is characterized in that, meeting between the effective focal length f of imaging lens system group and the Entry pupil diameters EPD of imaging lens system group: f/EPD≤ 1.60；
Meet between the half ImgH of effective pixel area diagonal line length on the Entry pupil diameters EPD and imaging surface of imaging lens system group: EPD/ImgH≥0.75；And
First lens, second lens, the third lens, the 4th lens, the 5th lens, the described 6th At least one of the mirror surface of lens and each lens in the 7th lens is aspherical mirror.
2. imaging lens system group according to claim 1, which is characterized in that the 4th lens have focal power.
3. imaging lens system group according to claim 1, which is characterized in that the abbe number V2 of the second lens, the third lens Abbe number V3, the 4th lens abbe number V4, the abbe number V6 of the 6th lens and the abbe number of the 7th lens Meet between V7: 1 < (V2+V7)/(V3+V4+V6) < 2.
4. imaging lens system group according to claim 1, which is characterized in that the effective focal length f1 and the second lens of the first lens Effective focal length f2 between meet: 1≤f1/f2 < 5.
5. imaging lens system group according to claim 2, which is characterized in that the radius of curvature R 4 of the second lens image side surface and Meet between the radius of curvature R 7 of four lens object sides: | (R4-R7)/(R4+R7) | < 1.5.
6. imaging lens system group according to claim 5, which is characterized in that the radius of curvature R 8 of the 4th lens image side surface and Meet between the radius of curvature R 14 of seven lens image side surfaces: 0 < (R8-R14)/(R8+R14) < 2.
7. imaging lens system group according to claim 1, which is characterized in that the effective focal length f of imaging lens system group and first is saturating Meet between the effective focal length f1 of mirror: 1.5 < f1/f < 5.
8. imaging lens system group according to claim 1, which is characterized in that distance on the axis of the second lens and the 5th lens Meet between distance T56 on the axis of T23 and the 5th lens and the 6th lens: 0 < T23/T56 < 3.5.
9. imaging lens system group according to claim 1, which is characterized in that the effective focal length f of imaging lens system group and the 5th is saturating Meet between the radius of curvature R 9 of mirror object side: -1 < f/R9 < 0.
10. according to claim 1 to imaging lens system group described in any one of 2 and 5 to 9, which is characterized in that the first lens object Meet between the radius of curvature R 1 of side and the radius of curvature R 9 of the 5th lens object side: -0.5 < R1/R9 < 0.
11. according to claim 1 to imaging lens system group described in any one of 2 and 5 to 9, which is characterized in that imaging lens system group Effective focal length f and the 6th lens image side surface radius of curvature R 12 between meet: 0 < f/R12 < 1.
12. a kind of imaging lens system group successively includes: from object side to image side
The first lens with positive light coke；
The second lens with positive light coke；
The third lens with focal power；
4th lens；
The 5th lens with focal power；
The 6th lens with focal power；
The 7th lens with negative power；
It is characterized in that, the abbe number of the abbe number V3 of the abbe number V2 of the second lens, the third lens, the 4th lens Meet between the abbe number V7 of V4, the abbe number V6 of the 6th lens and the 7th lens: 1 < (V2+V7)/(V3+V4+V6) < 2；And
First lens, second lens, the third lens, the 4th lens, the 5th lens, the described 6th At least one of the mirror surface of lens and each lens in the 7th lens is aspherical mirror.
13. imaging lens system group according to claim 12, which is characterized in that
The object side of first lens is convex surface；
The object side of 5th lens is concave surface and image side surface is convex surface；
The image side surface of 6th lens is concave surface；And
The image side surface of 7th lens is concave surface.
14. imaging lens system group according to claim 12, which is characterized in that the 4th lens have focal power.
15. imaging lens system group according to claim 12, which is characterized in that the Entry pupil diameters EPD of imaging lens system group at Meet between the half ImgH of effective pixel area diagonal line length in image planes: EPD/ImgH >=0.75.
16. imaging lens system group according to claim 15, which is characterized in that the effective focal length f of imaging lens system group and camera shooting Meet between the Entry pupil diameters EPD of lens group: f/EPD≤1.60.
17. imaging lens system group according to claim 12, which is characterized in that the effective focal length f1 of the first lens and second is saturating Meet between the effective focal length f2 of mirror: 1≤f1/f2 < 5.
18. imaging lens system group according to claim 12, which is characterized in that the radius of curvature R 4 of the second lens image side surface with Meet between the radius of curvature R 7 of 4th lens object side: | (R4-R7)/(R4+R7) | < 1.5.
19. imaging lens system group according to claim 12, which is characterized in that the radius of curvature R 8 of the 4th lens image side surface with Meet between the radius of curvature R 14 of 7th lens image side surface: 0 < (R8-R14)/(R8+R14) < 2.
20. imaging lens system group according to claim 12, which is characterized in that the effective focal length f of imaging lens system group and first Meet between the effective focal length f1 of lens: 1.5 < f1/f < 5.
21. imaging lens system group according to claim 12, which is characterized in that distance on the axis of the second lens and the 5th lens Meet between distance T56 on the axis of T23 and the 5th lens and the 6th lens: 0 < T23/T56 < 3.5.
22. imaging lens system group according to claim 12, which is characterized in that the effective focal length f of imaging lens system group and the 5th Meet between the radius of curvature R 9 of lens object side: -1 < f/R9 < 0.
23. imaging lens system group described in any one of 2 to 14 and 17 to 22 according to claim 1, which is characterized in that first thoroughly Meet between the radius of curvature R 1 of mirror object side and the radius of curvature R 9 of the 5th lens object side: -0.5 < R1/R9 < 0.
24. imaging lens system group described in any one of 2 to 14 and 17 to 22 according to claim 1, which is characterized in that camera shooting is saturating Meet between the effective focal length f of microscope group and the radius of curvature R 12 of the 6th lens image side surface: 0 < f/R12 < 1.
25. a kind of imaging lens system group successively includes: from object side to image side
The first lens with positive light coke, object side are convex surface；
The second lens with positive light coke；
The third lens with focal power；
4th lens；
The 5th lens with focal power, object side are concave surface, and image side surface is convex surface；
The 6th lens with focal power, image side surface are concave surface；
The 7th lens with negative power, image side surface are concave surface；
It is characterized in that, meeting between the effective focal length f1 of the first lens and the effective focal length f2 of the second lens: 1≤f1/f2 < 5；
Meet between distance T56 on the axis of distance T23 and the 5th lens and the 6th lens on the axis of second lens and the 5th lens: 0<T23/T56<3.5；And
First lens, second lens, the third lens, the 4th lens, the 5th lens, the described 6th At least one of the mirror surface of lens and each lens in the 7th lens is aspherical mirror.
26. imaging lens system group according to claim 25, which is characterized in that the 4th lens have focal power.
27. imaging lens system group according to claim 25, which is characterized in that the radius of curvature R 4 of the second lens image side surface with Meet between the radius of curvature R 7 of 4th lens object side: | (R4-R7)/(R4+R7) | < 1.5.
28. imaging lens system group according to claim 27, which is characterized in that the effective focal length f of imaging lens system group and camera shooting Meet between the Entry pupil diameters EPD of lens group: f/EPD≤1.60.
29. imaging lens system group according to claim 27, which is characterized in that the abbe number V2 of the second lens, third are saturating The abbe number V3 of mirror, the abbe number V4 of the 4th lens, the abbe number V6 of the 6th lens and the dispersion system of the 7th lens Meet between number V7: 1 < (V2+V7)/(V3+V4+V6) < 2.
30. imaging lens system group according to claim 25, which is characterized in that the Entry pupil diameters EPD of imaging lens system group at Meet between the half ImgH of effective pixel area diagonal line length in image planes: EPD/ImgH >=0.75.
31. imaging lens system group according to claim 25, which is characterized in that the radius of curvature R 8 of the 4th lens image side surface with Meet between the radius of curvature R 14 of 7th lens image side surface: 0 < (R8-R14)/(R8+R14) < 2.
32. imaging lens system group according to claim 25, which is characterized in that the effective focal length f of imaging lens system group and first Meet between the effective focal length f1 of lens: 1.5 < f1/f < 5.
33. imaging lens system group according to claim 25, which is characterized in that the effective focal length f of imaging lens system group and the 5th Meet between the radius of curvature R 9 of lens object side: -1 < f/R9 < 0.
34. the imaging lens system group according to any one of claim 25 to 26 and 30 to 33, which is characterized in that first thoroughly Meet between the radius of curvature R 1 of mirror object side and the radius of curvature R 9 of the 5th lens object side: -0.5 < R1/R9 < 0.
35. the imaging lens system group according to any one of claim 25 to 26 and 30 to 33, which is characterized in that camera shooting is saturating Meet between the effective focal length f of microscope group and the radius of curvature R 12 of the 6th lens image side surface: 0 < f/R12 < 1.
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