CN207148399U

CN207148399U - Imaging lens system group

Info

Publication number: CN207148399U
Application number: CN201721207874.XU
Authority: CN
Inventors: 张凯元; 李明; 宋博
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2017-09-20
Filing date: 2017-09-20
Publication date: 2018-03-27
Anticipated expiration: 2027-09-20

Abstract

This application discloses a kind of imaging lens system group, the lens group is sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Wherein, the first lens have positive light coke, and its thing side is convex surface；Second lens have positive light coke, and its thing side is convex surface；3rd lens have focal power, and its image side surface is concave surface；4th lens have focal power；5th lens have focal power；6th lens have positive light coke, and its image side surface is convex surface；7th lens have negative power, and its thing side and image side surface are concave surface；And the total effectively focal power f and Entry pupil diameters EPD of the imaging lens system group of imaging lens system group meets f/EPD≤1.60.

Description

Imaging lens system group

Technical field

The application is related to a kind of imaging lens system group, more specifically, to be related to a kind of shooting including seven lens saturating by the application Microscope group.

Background technology

With the conventional photosensitive member such as photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor element (CMOS) The raising of part performance and the reduction of size, proposed for the high image quality of pick-up lens to match and miniaturization higher It is required that.

Meanwhile as the quick update of the portable type electronic products such as mobile phone, tablet personal computer, market image to product end The requirement of camera lens is further diversified.At this stage, except requiring that pick-up lens has high pixel, high-resolution, high relative luminance etc. Characteristic, the also large aperture to camera lens and wider field of view angle etc. propose higher requirement, to meet every field Imaging demand.

Utility model content

This application provides be applicable to portable type electronic product, can at least solve or part solve it is of the prior art The imaging lens system group of above-mentioned at least one shortcoming, for example, large aperture imaging lens system group.

On the one hand, this application provides such a imaging lens system group, the lens group along optical axis by thing side to image side sequentially Including：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Wherein, One lens can have positive light coke, and its thing side can be convex surface；Second lens can have positive light coke, and its thing side can be convex Face；3rd lens have focal power, and its image side surface can be concave surface；4th lens have focal power；5th lens have focal power； 6th lens can have positive light coke, and its image side surface can be convex surface；7th lens can have negative power, its thing side and image side Face can be concave surface；And the total effectively focal power f and Entry pupil diameters EPD of the imaging lens system group of imaging lens system group can meet f/ EPD≤1.60。

In one embodiment, the effective focal length f2 of the second lens and effective focal length f6 of the 6th lens can meet 2≤ F2/f6 ＜ 3.

In one embodiment, the effective focal length f7 of total effectively focal power f and the 7th lens of imaging lens system group can meet- 3 ＜ f/f7≤- 2.

In one embodiment, the effective focal length f2 of the second lens and the effective focal length f7 of the 7th lens can meet -3.5 ＜ f2/f7 ＜ -2.0.

In one embodiment, the 3rd lens can have a negative power, and the effective focal length f2 of the second lens and the 3rd is saturating The effective focal length f3 of mirror can meet -1 ＜ f2/f3≤- 0.5.

In one embodiment, the effective focal length f1 and the 5th lens of the first lens effective focal length f5 can meet | f1/ f5|≤0.5。

In one embodiment, the 6th lens can meet 0.5mm ＜ CT6 ＜ in the center thickness CT6 on optical axis 1.0mm。

In one embodiment, the first lens in the center thickness CT1 on optical axis and the second lens on optical axis Heart thickness CT2 can meet 0.5 ＜ CT1/CT2 ＜ 1.

In one embodiment, the effective focal length f6 of the 6th lens and the 6th lens are in the center thickness CT6 on optical axis 3.0 ＜ f6/CT6 ＜ 4.5 can be met.

In one embodiment, the first lens in the center thickness CT1 on optical axis, the second lens in the center on optical axis Thickness CT2 and the 6th lens can meet 3 ＜ (CT1+CT2+CT6)/CT1 ＜ 5 in the center thickness CT6 on optical axis.

In one embodiment, the curvature of the lens thing side of radius of curvature R 12 and the 7th of the 6th lens image side surface half Footpath R13 can meet 0 ＜ R12/R13 ＜ 0.5.

On the other hand, this application provides such a imaging lens system group, the lens group along optical axis by thing side to image side according to Sequence includes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Wherein, First lens can have positive light coke, and its thing side can be convex surface；Second lens can have positive light coke, its thing side and image side At least one in face is convex surface；3rd lens have focal power, and its image side surface can be concave surface；4th lens and the 5th lens In at least one there is positive light coke；6th lens can have positive light coke, and its image side surface can be convex surface；7th lens can With negative power, its thing side and image side surface can be concave surface；And first lens in the center thickness CT1 on optical axis and Two lens can meet 0.5 ＜ CT1/CT2 ＜ 1 in the center thickness CT2 on optical axis.

Center thickness by each power of lens of reasonable distribution, face type and each lens etc., have imaging lens system group There is large aperture advantage.Meanwhile by the lens group of above-mentioned configuration can have ultra-thin, miniaturization, large aperture, wide-angle, low sensitivity, At least one beneficial effect such as high image quality.

Brief description of the drawings

With reference to accompanying drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent Point will be apparent.In the accompanying drawings：

Fig. 1 shows the structural representation of the imaging lens system group according to the embodiment of the present application 1；

Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axle of the imaging lens system group of embodiment 1, astigmatism curve, distortion song Line and ratio chromatism, curve；

Fig. 3 shows the structural representation of the imaging lens system group according to the embodiment of the present application 2；

Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 2, astigmatism curve, distortion song Line and ratio chromatism, curve；

Fig. 5 shows the structural representation of the imaging lens system group according to the embodiment of the present application 3；

Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 3, astigmatism curve, distortion song Line and ratio chromatism, curve；

Fig. 7 shows the structural representation of the imaging lens system group according to the embodiment of the present application 4；

Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 4, astigmatism curve, distortion song Line and ratio chromatism, curve；

Fig. 9 shows the structural representation of the imaging lens system group according to the embodiment of the present application 5；

Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 5, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 11 shows the structural representation of the imaging lens system group according to the embodiment of the present application 6；

Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 6, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 13 shows the structural representation of the imaging lens system group according to the embodiment of the present application 7；

Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 7, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 15 shows the structural representation of the imaging lens system group according to the embodiment of the present application 8；

Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 8, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 17 shows the structural representation of the imaging lens system group according to the embodiment of the present application 9；

Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 9, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 19 shows the structural representation of the imaging lens system group according to the embodiment of the present application 10；

Figure 20 A to Figure 20 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 10, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 21 shows the structural representation of the imaging lens system group according to the embodiment of the present application 11；

Figure 22 A to Figure 22 D respectively illustrate chromatic curve on the axle of the imaging lens system group of embodiment 11, astigmatism curve, abnormal Varied curve and ratio chromatism, curve.

Embodiment

In order to more fully understand the application, refer to the attached drawing is made into more detailed description to the various aspects of the application.Should Understand, these describe the description of the simply illustrative embodiments to the application in detail, rather than limit the application in any way Scope.In the specification, identical reference numbers identical element.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.

It should be noted that in this manual, the statement of first, second, third, etc. is only used for a feature and another spy Sign makes a distinction, and does not indicate that any restrictions to feature.Therefore, in the case of without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the 3rd lens.

In the accompanying drawings, for convenience of description, thickness, the size and dimension of lens are somewhat exaggerated.Specifically, accompanying drawing Shown in sphere or aspherical shape be illustrated by way of example.That is, sphere or aspherical shape is not limited to accompanying drawing In the sphere that shows or aspherical shape.Accompanying drawing is merely illustrative and and non-critical drawn to scale.

Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define the convex surface position When putting, then it represents that the lens surface is extremely convex surface less than near axis area；If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is extremely concave surface less than near axis area.It is referred to as thing side near the surface of object in each lens, It is referred to as image side surface near the surface of imaging surface in each lens.

It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory Represent stated feature, element and/or part be present when being used in bright book, but do not preclude the presence or addition of one or more Further feature, element, part and/or combinations thereof.In addition, ought the statement of such as " ... at least one " appear in institute When after the list of row feature, whole listed feature, rather than the individual component in modification list are modified.In addition, work as description originally During the embodiment of application, represented " one or more embodiments of the application " using "available".Also, term " exemplary " It is intended to refer to example or illustration.

Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and It will not explained with idealization or excessively formal sense, unless clearly so limiting herein.

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The feature of the application, principle and other aspects are described in detail below.

Such as seven lens with focal power may include according to the imaging lens system group of the application illustrative embodiments, That is, the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens Along optical axis by thing side to image side sequential.

In the exemplary embodiment, the first lens can have positive light coke, and its thing side can be convex surface；Second lens can With positive light coke, its thing side can be convex surface；3rd lens have positive light coke or negative power, and its image side surface can be recessed Face；4th lens have positive light coke or negative power；5th lens have positive light coke or negative power；6th lens have Positive light coke, its image side surface can be convex surface；7th lens can have negative power, and its thing side can be concave surface, and image side surface can be Concave surface.

In the exemplary embodiment, at least one in the thing side and image side surface of the second lens is convex surface, for example, Second lens can be the meniscus lens for being convex to thing side that thing side is convex surface, image side surface is concave surface, in another example, the second lens can be Thing side and image side surface are the biconvex lens on convex surface.

In the exemplary embodiment, the 3rd lens can have negative power.

In the exemplary embodiment, at least one in the 4th lens and the 5th lens has positive light coke, for example, 4th lens can have positive light coke, and the 5th lens can have negative power, in another example, the 4th lens and the 5th lens can have There is positive light coke.

In the application, arrangement can be optimized to each power of lens, face type, center thickness, to obtain good light Learn performance.

Can meet between the effective focal length f1 of first lens and the effective focal length f5 of the 5th lens | f1/f5 |≤0.5, more Body, f1 and f5 can further meet 0.01≤| f1/f5 |≤0.44.By rationally controlling having for the first lens and the 5th lens The ratio range of focal length is imitated, the spherical aberration contribution amount of the 5th lens can be controlled in the reasonable scope, so that lens group Field of view has good image quality on axle.

It can meet -1 ＜ f2/f3≤- 0.5 between the effective focal length f2 of second lens and the effective focal length f3 of the 3rd lens, More specifically, f2 and f3 can further meet -0.70≤f2/f3≤- 0.50, for example, f2 and f3 can meet -0.66≤f2/f3 ≤-0.55.By rationally controlling the second lens and the 3rd power of lens, the second lens and the 3rd saturating can be effectively balanced Spherical aberration caused by mirror and coma so that the spherical aberration and coma contribution amount of the second lens and the 3rd lens after balance are in rationally In the range of, and then cause the sensitiveness of optical system to be in reasonable level.In the exemplary embodiment, the second lens can have Positive light coke, the 3rd lens can have negative power.

2≤f2/f6 ＜ 3 can be met between the effective focal length f2 of second lens and the effective focal length f6 of the 6th lens, more Body, f2 and f6 can further meet 2.00≤f2/f6≤2.50, for example, f2 and f6 can meet 2.00≤f2/f6≤2.43. The lens of reasonable distribution second and the 6th power of lens, be advantageous to improve the image quality of optical system.In exemplary implementation In mode, the second lens and the 6th lens can have positive light coke.

Can meet between the effective focal length f2 of second lens and the effective focal length f7 of the 7th lens -3.5 ＜ f2/f7 ＜ - 2.0, more specifically, f2 and f7 can further meet -3.10≤f2/f7≤- 2.40, for example, f2 and f7 can meet -3.01≤ f2/f7≤-2.49.By rationally controlling the ratio of the effective focal length of the second lens and the 7th lens, can be effectively balanced The curvature of field caused by two lens and the 7th lens so that the curvature of field contribution amount of the second lens and the 7th lens after balance is in conjunction In the range of reason.In the exemplary embodiment, the second lens can have positive light coke, and the 7th lens can have negative power.

7th lens can have negative power.Total the effective focal length f and the 7th lens of imaging lens system group effective focal length f7 Between can meet -3 ＜ f/f7≤- 2, more specifically, f and f7 can further meet -2.20≤f/f7≤- 2.00, for example, f and F7 can meet -2.16≤f/f7≤- 2.05.By the way that the 7th power of lens is controlled in the reasonable scope, so that the 7th is saturating Three rank positive spherical aberrations caused by mirror and five rank positive spherical aberrations in the reasonable scope, so as to above each optics group member (that is, position Each lens between thing side and the 7th lens) caused by spherical aberration be balanced so that field of view has on the axle of lens group Good image quality.

First lens can expire in the center thickness CT1 on optical axis and the second lens between the center thickness CT2 on optical axis 0.5 ＜ CT1/CT2 ＜ 1 of foot, more specifically, CT1 and CT2 can further meet 0.60≤CT1/CT2≤0.80, for example, CT1 and CT2 can meet 0.61≤CT1/CT2≤0.78.The rationally center thickness of the first lens of control and the second lens, can effectively be controlled Make the distortion contribution amount of the first lens and the second lens；Meanwhile also help lens group there are good processing characteristics.

6th lens can meet 0.5mm ＜ CT6 ＜ 1mm in the center thickness CT6 on optical axis, more specifically, CT6 is further 0.60mm≤CT6≤0.75mm can be met, for example, CT6 can meet 0.62mm≤CT6≤0.70mm.The lens of reasonable Arrangement the 6th Center thickness, the distortion contribution amounts of the 6th lens can be controlled in reasonable level.

First lens are saturating in the center thickness CT2 and the 6th on optical axis in the center thickness CT1 on optical axis, the second lens Mirror can meet 3 ＜ (CT1+CT2+CT6)/CT1 ＜ 5 between the center thickness CT6 on optical axis, more specifically, CT1, CT2 and CT6 can further meet 3.50≤(CT1+CT2+CT6)/CT1≤4.50, for example, CT1, CT2 and CT can meet 63.78≤ (CT1+CT2+CT6)/CT1≤4.24.Meet the ＜ of conditional 3 (CT1+CT2+CT6)/CT1 ＜ 5, by the first lens, second saturating The center thickness of mirror and the 6th lens is constrained in the reasonable scope, so as to ensure lens group under conditions of processing request is met Ultra-slim features.

6th lens can have positive light coke, its effective focal length f6 and the 6th lens in the center thickness CT6 on optical axis it Between can meet 3.0 ＜ f6/CT6 ＜ 4.5, more specifically, f6 and CT6 can further meet 3.29≤f6/CT6≤4.23.Pass through The effective focal length of the lens of proper restraint the 6th and the ratio of the 6th lens center thickness, can distort three ranks of the 6th lens tribute The amount of offering constrains in zone of reasonableness, so that the peripheral field of lens group has preferable image quality.

It can meet 0 ＜ between the radius of curvature R 13 of the lens thing side of radius of curvature R 12 and the 7th of 6th lens image side surface R12/R13 ＜ 0.5, more specifically, R12 and R13 can further meet 0.30≤R12/R13≤0.40, for example, R12 and R13 can Meet 0.32≤R12/R13≤0.39.By rationally controlling the radius of curvature of the 6th lens image side surface and the 7th lens thing side, The astigmatism amount that the 6th lens and the 7th lens are contributed can be effectively balanced, so as to lift the image quality of lens group.

Can meet between total effective focal length f of imaging lens system group and the Entry pupil diameters EPD of imaging lens system group f/EPD≤ 1.60, more specifically, f and EPD can further meet 1.57≤f/EPD≤1.59.Camera lens is configured to meet conditional f/EPD ≤ 1.60, it can make camera lens that there is large aperture advantage, the illumination in Enhanced Imaging face, so as to be lifted during thang-kng amount is increased Imaging effect of the camera lens under dark situation.

Above-mentioned imaging lens system group may also include at least one diaphragm, to lift the image quality of camera lens.Alternatively, image Lens group may include the diaphragm being arranged between thing side and the first lens.

Alternatively, imaging lens system group may also include optical filter for correcting color error ratio and/or for protect be located at into The protective glass of photo-sensitive cell in image planes.

According to the above-mentioned embodiment of the application, imaging lens system group can use multi-disc eyeglass, such as described above seven Piece.Center thickness by each power of lens of reasonable distribution, face type and each lens etc., there is provided one kind is applicable to portable Having electronic product, there is the imaging lens system group of the advantages such as ultra-thin, wide-angle, large aperture, high image quality and low sensitivity.

In presently filed embodiment, at least one in the minute surface of each lens is aspherical mirror.Non-spherical lens The characteristics of be：From lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture The advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve Image quality.

However, it will be understood by those of skill in the art that without departing from this application claims technical scheme situation Under, the lens numbers for forming imaging lens system group can be changed, to obtain each result and advantage described in this specification.For example, Although being described in embodiments by taking seven lens as an example, the imaging lens system group is not limited to include seven lens. If desired, the imaging lens system group may also include the lens of other quantity.

The specific embodiment for the imaging lens system group for being applicable to above-mentioned embodiment is further described with reference to the accompanying drawings.

Embodiment 1

Imaging lens system group referring to Fig. 1 to Fig. 2 D descriptions according to the embodiment of the present application 1.Fig. 1 is shown according to this Shen Please embodiment 1 imaging lens system group structural representation.

As shown in figure 1, imaging lens system group sequentially includes the first lens E1, the second lens along optical axis from thing side into image side E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1 Thing side S1 and image side surface S2 is aspherical.

Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens E2 Thing side S3 and image side surface S4 is aspherical.

3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3 Thing side S5 and image side surface S6 is aspherical.

4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is convex surface, and the 4th lens E4 Thing side S7 and image side surface S8 is aspherical.

5th lens E5 has negative power, and its thing side S9 is convex surface, and image side surface S10 is concave surface, and the 5th lens E5 Thing side S9 and image side surface S10 be aspherical.

6th lens E6 has positive light coke, and its thing side S11 is convex surface, and image side surface S12 is convex surface, and the 6th lens E6 Thing side S11 and image side surface S12 be aspherical.

7th lens E7 has negative power, and its thing side S13 is concave surface, and image side surface S14 is concave surface, and the 7th lens E7 Thing side S13 and image side surface S14 be aspherical.

Alternatively, imaging lens system group may also include the optical filter E8 with thing side S15 and image side surface S16.From object Light sequentially through each surface S1 to S16 and being ultimately imaged on imaging surface S17.

Alternatively, imaging lens system group may also include the diaphragm STO being arranged between thing side and the first lens E1, with improve into As quality.

Table 1 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens system group of embodiment 1 Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 1

According to table 1, the 6th lens E6 image side surfaces S12 lens E7 things side S13 of radius of curvature R 12 and the 7th curvature half Meet R12/R13=0.36 between the R13 of footpath；First lens E1 is in the center thickness CT1 on optical axis and the second lens E2 in optical axis On center thickness CT2 between meet CT1/CT2=0.66；6th lens E6 is in the center thickness CT6=0.69mm on optical axis； First lens E1 is in the center thickness CT1 on optical axis, the second lens E2 in center thickness CT2 and the 6th lens E6 on optical axis Meet (CT1+CT2+CT6)/CT1=4.21 in the center thickness CT6 on optical axis.

In the present embodiment, each lens can use non-spherical lens, and each aspherical face type x is limited by below equation：

Wherein, x be it is aspherical along optical axis direction when being highly h position, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse)；K be circular cone coefficient ( Provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.Table 2 below is given available for each aspherical in embodiment 1 Minute surface S1-S14 high order term coefficient A₄、A₆、A₈、A₁₀、A₁₂、A₁₄、A₁₆、A₁₈And A₂₀。

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.7280E-02

1.9160E-02

-1.0550E-01

2.1896E-01

-2.7440E-01

2.1339E-01

-9.8700E-02

2.4822E-02

-2.6500E-03

S2

2.6774E-02

-1.6913E-01

1.2797E-01

1.2818E-01

-2.9013E-01

2.0724E-01

-4.6050E-02

-1.4000E-02

5.8130E-03

S3

5.4633E-02

-7.9180E-02

-2.7524E-01

1.2616E+00

-2.3125E+00

2.5019E+00

-1.6520E+00

6.1904E-01

-1.0213E-01

S4

-1.6130E-02

1.3695E-01

-6.5954E-01

1.5409E+00

-2.0525E+00

1.5647E+00

-5.7980E-01

2.9506E-02

2.6228E-02

S5

-1.0119E-01

2.5289E-01

-7.8781E-01

1.6764E+00

-1.9091E+00

8.8548E-01

3.1318E-01

-5.1065E-01

1.5370E-01

S6

-8.5010E-02

5.6948E-02

3.4744E-01

-1.8437E+00

5.0339E+00

-8.0133E+00

7.4998E+00

-3.8147E+00

8.1219E-01

S7

-3.7700E-02

6.9207E-02

-6.3985E-01

2.5317E+00

-6.2530E+00

9.6060E+00

-8.9293E+00

4.6056E+00

-1.0081E+00

S8

-8.4250E-02

-9.3830E-02

4.5236E-01

-1.0834E+00

1.4764E+00

-1.4184E+00

1.0054E+00

-4.4355E-01

8.5976E-02

S9

-2.0519E-01

1.3893E-01

-4.8225E-01

1.6674E+00

-3.2483E+00

3.4220E+00

-1.9389E+00

5.4970E-01

-6.0400E-02

S10

-1.7626E-01

8.5557E-02

-2.5269E-01

7.3555E-01

-1.1471E+00

9.9847E-01

-4.8884E-01

1.2623E-01

-1.3410E-02

S11

-2.8300E-02

-3.1720E-02

-1.2196E-01

2.8939E-01

-2.8679E-01

1.5453E-01

-4.6460E-02

7.3230E-03

-4.7000E-04

S12

-3.6660E-02

-1.1080E-02

-4.4210E-02

7.3376E-02

-3.9550E-02

1.0349E-02

-1.3700E-03

7.5600E-05

-4.0000E-07

S13

-1.0205E-01

-6.6280E-02

1.0729E-01

-5.0100E-02

1.2363E-02

-1.7800E-03

1.4800E-04

-6.3000E-06

9.2600E-08

S14

-1.3960E-01

8.8700E-02

-4.6560E-02

1.8657E-02

-5.5000E-03

1.1260E-03

-1.5000E-04

1.1600E-05

-3.9000E-07

Table 2

It is total that table 3 provides the effective focal length f1 to f7 of each lens in embodiment 1, total effective focal length f, the optics of imaging lens system group Length TTL (that is, the distance from the first lens E1 thing side S1 center to imaging surface S17 on optical axis) and imaging surface The half ImgH of the upper effective pixel area diagonal line lengths of S17.

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	10.28	4.72	-7.66	64.10	-113.71
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.27	-1.87	4.00	4.98	3.36

Table 3

According to table 3, meet between the first lens E1 effective focal length f1 and the 5th lens E5 effective focal length f5 | f1/f5 | =0.09；Meet f2/f3=-0.62 between second lens E2 effective focal length f2 and the 3rd lens E3 effective focal length f3；The Meet f2/f6=2.08 between two lens E2 effective focal length f2 and the 6th lens E6 effective focal length f6；Second lens E2's Meet f2/f7=-2.53 between effective focal length f2 and the 7th lens E7 effective focal length f7；Total effective focal length of imaging lens system group Meet f/f7=-2.14 between f and the 7th lens E7 effective focal length f7.Understand that the 6th lens E6's has with reference to table 1 and table 3 Effect focal length f6 and the 6th lens E6 meets f6/CT6=3.29 between the center thickness CT6 on optical axis.

In the present embodiment, meet between total effective focal length f of imaging lens system group and the Entry pupil diameters EPD of imaging lens system group F/EPD=1.59, there is large aperture characteristic.

Fig. 2A shows chromatic curve on the axle of the imaging lens system group of embodiment 1, its represent different wave length light via Converging focal point after lens group deviates.Fig. 2 B show the astigmatism curve of the imaging lens system group of embodiment 1, and it represents meridianal image surface Bending and sagittal image surface bending.Fig. 2 C show the distortion curve of the imaging lens system group of embodiment 1, and it represents different visual angles situation Under distortion sizes values.Fig. 2 D show the ratio chromatism, curve of the imaging lens system group of embodiment 1, and it represents light via lens The deviation of different image heights after group on imaging surface.Understood according to Fig. 2A to Fig. 2 D, the imaging lens system group given by embodiment 1 Good image quality can be realized.

Embodiment 2

Imaging lens system group referring to Fig. 3 to Fig. 4 D descriptions according to the embodiment of the present application 2.In the present embodiment and following reality Apply in example, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2 The structural representation of imaging lens system group.

As shown in figure 3, imaging lens system group sequentially includes the first lens E1, the second lens along optical axis from thing side into image side E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

6th lens E6 has positive light coke, and its thing side S11 is concave surface, and image side surface S12 is convex surface, and the 6th lens E6 Thing side S11 and image side surface S12 be aspherical.

Table 4 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens system group of embodiment 2 Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 5 is shown available for each aspherical in embodiment 2 The high order term coefficient of minute surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 6 is shown In embodiment 2 the effective focal length f1 to f7 of each lens, total effective focal length f, the optics total length TTL of imaging lens system group and into The half ImgH of effective pixel area diagonal line length on image planes S17.

Table 4

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.5010E-02

1.4918E-02

-7.8870E-02

1.5025E-01

-1.7138E-01

1.1994E-01

-4.9030E-02

1.0583E-02

-9.4000E-04

S2

2.4107E-02

-1.5001E-01

8.7713E-02

2.1522E-01

-4.6 60E-01

4.2380E 01

-2.0426E-01

4.8246E-02

-4.2000E-03

S3

4.8506E-02

-7.5140E-02

-2.2379E-01

1.0519E+00

-1.8971E+00

1.9916E+00

-1.2634E+00

4.5155E-01

-7.0620E-02

S4

-2.0970E-02

1.5517E-01

-6.9648E-01

1.6436E+00

-2.3024E+00

1.9493E+00

-9.3096E-01

2.0562E-01

-1.0630E-02

S5

-9.8360E-02

2.4058E-01

-7.2214E-01

1.5182E+00

-1.7776E+00

9.8110E-01

2.8241E-02

-2.9306E-01

9.6001E-02

S6

-7.9990E-02

5.6714E-02

2.4860E-01

-1.2916E+00

3.4444E+00

-5.3655E+00

4.9259E+00

-2.4619E+00

5.1565E-01

S7

-3.6780E-02

5.8118E-02

-5.2416E-01

2.0183E+00

-4.8754E+00

7.3166E+00

-6.6258E+00

3.3223E+00

-7.0605E-01

S8

-1.0155E-01

6.4913E-02

-1.7673E-01

4.7324E-01

-9.8779E-01

1.1212E+00

-6.5973E-01

1.8769E-01

-1.9120E-02

S9

-2.0388E-01

1.7767E-01

-5.3405E-01

1.5021E+00

-2.5834E+00

2.4603E+00

-1.2463E+00

3.0228E-01

-2.5300E-02

S10

-1.7348E-01

1.1525E-01

-3.1927E-01

7.7164E-01

-1.0891E+00

8.8885E-01

-4.1367E-01

1.0218E-01

-1.0420E-02

S11

-3.0690E-02

-5.5600E-03

-1.4757E-01

2.8436E-01

-2.6149E-01

1.3536E-01

-3.9640E-02

6.1220E-03

-3.9000E-04

S12

-2.6060E-02

-3.3510E-02

1.0780E-03

2.0338E-02

-6.3700E-03

-1.4500E-03

1.0590E-03

-1.9000E-04

1.2100E-05

S13

-1.0039E-01

-5.8260E-02

9.6408E-02

-4.5060E-02

1.1276E-02

-1.6900E-03

1.5300E-04

-7.7000E-06

1.6300E-07

S14

-1.2992E-01

7.6928E-02

-3.7590E-02

1.4260E-02

-4.0700E-03

8.1700E-04

-1.1000E-04

8.1300E-06

-2.7000E-07

Table 5

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	10.75	4.72	-7.69	74.66	-197.74
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.32	-1.90	4.07	5.05	3.41

Table 6

Fig. 4 A show chromatic curve on the axle of the imaging lens system group of embodiment 2, its represent different wave length light via Converging focal point after lens group deviates.Fig. 4 B show the astigmatism curve of the imaging lens system group of embodiment 2, and it represents meridianal image surface Bending and sagittal image surface bending.Fig. 4 C show the distortion curve of the imaging lens system group of embodiment 2, and it represents different visual angles situation Under distortion sizes values.Fig. 4 D show the ratio chromatism, curve of the imaging lens system group of embodiment 2, and it represents light via lens The deviation of different image heights after group on imaging surface.Understood according to Fig. 4 A to Fig. 4 D, the imaging lens system group given by embodiment 2 Good image quality can be realized.

Embodiment 3

The imaging lens system group according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 is shown according to this Apply for the structural representation of the imaging lens system group of embodiment 3.

As shown in figure 5, imaging lens system group sequentially includes the first lens E1, the second lens along optical axis from thing side into image side E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

Table 7 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens system group of embodiment 3 Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 8 is shown available for each aspherical in embodiment 3 The high order term coefficient of minute surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 9 is shown In embodiment 3 the effective focal length f1 to f7 of each lens, total effective focal length f, the optics total length TTL of imaging lens system group and into The half ImgH of effective pixel area diagonal line length on image planes S17.

Table 7

Table 8

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	8.43	5.81	-8.94	46.92	-99.13
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.40	-1.93	4.05	5.02	3.41

Table 9

Fig. 6 A show chromatic curve on the axle of the imaging lens system group of embodiment 3, its represent different wave length light via Converging focal point after lens group deviates.Fig. 6 B show the astigmatism curve of the imaging lens system group of embodiment 3, and it represents meridianal image surface Bending and sagittal image surface bending.Fig. 6 C show the distortion curve of the imaging lens system group of embodiment 3, and it represents different visual angles situation Under distortion sizes values.Fig. 6 D show the ratio chromatism, curve of the imaging lens system group of embodiment 3, and it represents light via lens The deviation of different image heights after group on imaging surface.Understood according to Fig. 6 A to Fig. 6 D, the imaging lens system group given by embodiment 3 Good image quality can be realized.

Embodiment 4

The imaging lens system group according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 is shown according to this Apply for the structural representation of the imaging lens system group of embodiment 4.

As shown in fig. 7, imaging lens system group sequentially includes the first lens E1, the second lens along optical axis from thing side into image side E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

Table 10 show the surface types of each lens of the imaging lens system group of embodiment 4, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 11 is shown available for each non-in embodiment 4 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 12 Show the effective focal length f1 to f7 of each lens in embodiment 4, total effective focal length f, the optics total length TTL of imaging lens system group with And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 10

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.3280E-02

1.7150E-03

-4.5670E-02

9.6219E-02

-1.2051E-01

9.2374E-02

-4.0980E-02

9.6910E-03

-9.8000E-04

S2

4.5643E-02

-2.3119E-01

2.9440E-01

-2.1357E-01

1.7272E-01

-1.8620E-01

1.5202E-01

-6.6410E-02

1.1273E-02

S3

7.6183E-02

-1.7388E-01

3.7254E-02

5.2491E-01

-1.1595E+00

1.3305E+00

-9.0618E-01

3.4679E-01

-5.8120E-02

S4

-2.9430E-02

1.5150E-01

-6.1535E-01

1.3425E+00

-1.7291E+00

1.3022E+00

-4.9795E-01

4.7796E-02

1.3479E-02

S5

-1.0674E-01

2.2393E-01

-5.6442E-01

1.0346E+00

-9.1719E-01

2.8464E-02

6.7467E-01

-5.3732E-01

1.3529E-01

S6

-8.3500E-02

4.7523E-02

3.3653E-01

-1.6152E+00

4.2243E+00

-6.5766E+00

6.0761E+00

-3.0648E+00

6.4999E-01

S7

-3.4310E-02

-1.6210E-02

-7.5660E-02

3.1303E-01

-8.7483E-01

1.4736E+00

-1.4359E+00

7.5133E-01

-1.6026E-01

S8

-1.0851E-01

8.4564E-02

-3.7171E-01

1.2241E+00

-2.6011E+00

3.1365E+00

-2.0845E+00

7.0702E-01

-9.3250E-02

S9

-2.0525E-01

1.8037E-01

-5.9399E-01

1.8094E+00

-3.3115E+00

3.3648E+00

-1.8338E+00

4.7944E-01

-4.2190E-02

S10

-1.7221E-01

8.9478E-02

-2.7587E-01

7.9895E-01

-1.2595E+00

1.1176E+00

-5.6265E-01

1.5038E-01

-1.6590E-02

S11

-2.9230E-02

-4.9740E-02

-9.8110E-02

2.7786E-01

-2.9163E-01

1.6261E-01

-5.0000E-02

7.9970E-03

-5.2000E-04

S12

-4.4250E-02

-1.5510E-02

-2.3520E-02

5.1581E-02

-2.7580E-02

6.5410E-03

-6.7000E-04

7.5000E-06

2.2800E-06

S13

-1.4208E-01

-2.3100E-03

6.2596E-02

-3.3010E-02

8.5020E-03

-1.2700E-03

1.1100E-04

-5.2000E-06

9.8600E-08

S14

-1.4553E-01

9.7589E-02

-5.1950E-02

2.0517E-02

-5.8800E-03

1.1660E-03

-1.5000E-04

1.1200E-05

-3.7000E-07

Table 11

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	9.02	5.15	-7.90	91.94	-575.13
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.47	-1.98	4.07	4.99	3.41

Table 12

Fig. 8 A show chromatic curve on the axle of the imaging lens system group of embodiment 4, its represent different wave length light via Converging focal point after lens group deviates.Fig. 8 B show the astigmatism curve of the imaging lens system group of embodiment 4, and it represents meridianal image surface Bending and sagittal image surface bending.Fig. 8 C show the distortion curve of the imaging lens system group of embodiment 4, and it represents different visual angles situation Under distortion sizes values.Fig. 8 D show the ratio chromatism, curve of the imaging lens system group of embodiment 4, and it represents light via lens The deviation of different image heights after group on imaging surface.Understood according to Fig. 8 A to Fig. 8 D, the imaging lens system group given by embodiment 4 Good image quality can be realized.

Embodiment 5

The imaging lens system group according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 is shown according to this Apply for the structural representation of the imaging lens system group of embodiment 5.

As shown in figure 9, imaging lens system group sequentially includes the first lens E1, the second lens along optical axis from thing side into image side E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2 Thing side S3 and image side surface S4 is aspherical.

5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is concave surface, and the 5th lens E5 Thing side S9 and image side surface S10 be aspherical.

Table 13 show the surface types of each lens of the imaging lens system group of embodiment 5, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 14 is shown available for each non-in embodiment 5 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 15 Show the effective focal length f1 to f7 of each lens in embodiment 5, total effective focal length f, the optics total length TTL of imaging lens system group with And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 13

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.7790E-02

1.1882E-02

-1.1038E-01

2.4335E-01

-3.3528E-01

2.8996E-01

-1.4792E-01

4.0529E-02

-4.6200E-03

S2

4.4905E-02

-2.1153E-01

4.7788E-02

5.1329E-01

-9.4315E-01

8.6671E-01

-4.6098E-01

1.3388E-01

-1.6560E-02

S3

7.6793E-02

-1.6436E-01

-1.4536E-01

1.0909E+00

-2.0085E+00

2.1020E+00

-1.3393E+00

4.8137E-01

-7.4960E-02

S4

-2.5000E-04

-2.0080E-02

-4.8220E-02

2.0145E-01

-2.4741E-01

8.1503E-02

9.4282E-02

-9.3800E-02

2.3470E-02

S5

-7.8930E-02

5.6362E-02

1.2280E-03

-1.0870E-01

4.9908E-01

-9.8891E-01

1.0069E+00

-5.1998E-01

1.0683E-01

S6

-8.4660E-02

8.6757E-02

-1.3820E-02

-1.1876E-01

4.4098E-01

-7.5101E-01

7.0262E-01

-3.3575E-01

6.3044E-02

S7

-3.9380E-02

8.5386E-02

-5.5114E-01

1.8112E+00

-3.8784E+00

5.3046E+00

-4.4374E+00

2.0682E+00

-4.0776E-01

S8

-1.3177E-01

5.3447E-02

1.3382E-01

-6.4691E-01

1.0036E+00

-8.6726E-01

4.9098E-01

-1.8021E-01

3.1998E-02

S9

-2.3257E-01

2.8367E-01

-8.8332E-01

2.4870E+00

-4.7576E+00

5.5381E+00

-3.7753E+00

1.3969E+00

-2.1945E-01

S10

-1.6764E-01

1.5283E-01

-3.8833E-01

8.4793E-01

-1.1891E+00

1.0127E+00

-5.0723E-01

1.3745E-01

-1.5520E-02

S11

-4.2020E-02

-7.5340E-02

8.7630E-02

-1.2352E-01

1.5215E-01

-1.2496E-01

5.9976E-02

-1.4800E-02

1.4440E-03

S12

-1.8520E-02

-1.0952E-01

1.7713E-01

-1.8518E-01

1.2862E-01

-5.3390E-02

1.2697E-02

-1.6000E-03

8.3700E-05

S13

-1.6177E-01

7.4627E-02

-2.9630E-02

2.1359E-02

-1.0020E-02

2.5850E-03

-3.8000E-04

2.9200E-05

-9.5000E-07

S14

-1.3621E-01

1.0209E-01

-6.2070E-02

2.7222E-02

-8.3200E-03

1.7010E-03

-2.2000E-04

1.6300E-05

-5.2000E-07

Table 14

Table 15

Figure 10 A show chromatic curve on the axle of the imaging lens system group of embodiment 5, its represent different wave length light via Converging focal point after lens group deviates.Figure 10 B show the astigmatism curve of the imaging lens system group of embodiment 5, and it represents meridian picture Face is bent and sagittal image surface bending.Figure 10 C show the distortion curve of the imaging lens system group of embodiment 5, and it represents different visual angles In the case of distortion sizes values.Figure 10 D show the ratio chromatism, curve of the imaging lens system group of embodiment 5, and it represents light warp By the deviation of the different image heights after lens group on imaging surface.Understood according to Figure 10 A to Figure 10 D, taking the photograph given by embodiment 5 As lens group can realize good image quality.

Embodiment 6

The imaging lens system group according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 shows basis The structural representation of the imaging lens system group of the embodiment of the present application 6.

As shown in figure 11, imaging lens system group along optical axis from thing side to sequentially including the first lens E1, second saturating into image side Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

4th lens E4 has positive light coke, and its thing side S7 is concave surface, and image side surface S8 is convex surface, and the 4th lens E4 Thing side S7 and image side surface S8 is aspherical.

Table 16 show the surface types of each lens of the imaging lens system group of embodiment 6, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 17 is shown available for each non-in embodiment 6 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 18 Show the effective focal length f1 to f7 of each lens in embodiment 6, total effective focal length f, the optics total length TTL of imaging lens system group with And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 16

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.7490E-02

1.0545E-02

-1.0366E-01

2.2802E-01

-3.0883E-01

2.6334E-01

-1.3341E-01

3.6497E-02

-4.1700E-03

S2

4.2431E-02

-2.2165E-01

8.3299E-02

4.9982E-01

-1.0137E+00

9.8657E-01

-5.4774E-01

1.6482E-01

-2.0990E-02

S3

7.3633E-02

-1.6729E-01

-1.4182E-01

1.1690E+00

-2.2504E+00

2.4232E+00

-1.5687E+00

5.6893E-01

-8.9110E-02

S4

-3.3180E-02

3.5466E-02

-9.5370E-02

1.5626E-01

-1.4410E-02

-2.9180E-01

4.1315E-01

-2.3789E-01

5.0227E-02

S5

-8.3750E-02

5.4946E-02

2.5950E-02

-1.9154E-01

6.9399E-01

-1.2893E+00

1.2837E+00

-6.5860E-01

1.3550E-01

S6

-6.5060E-02

2.2914E-02

1.2903E-01

-3.9012E-01

8.9145E-01

-1.3321E+00

1.2068E+00

-5.8914E-01

1.1800E-01

S7

-3.5620E-02

5.7507E-02

-4.3162E-01

1.4646E+00

-3.2674E+00

4.6581E+00

-4.0417E+00

1.9432E+00

-3.9304E-01

S8

-1.2804E-01

4.7398E-02

9.0884E-02

-4.2667E-01

4.6321E-01

-1.4939E-01

-3.1120E-02

1.5066E-02

2.7690E-03

S9

-2.2238E-01

2.6470E-01

-8.2142E-01

2.3422E+00

-4.5433E+00

5.2801E+00

-3.5373E+00

1.2694E+00

-1.9132E-01

S10

-1.5638E-01

1.2202E-01

-2.9636E-01

6.9773E-01

-1.0458E+00

9.2713E-01

-4.7471E-01

1.3019E-01

-1.4800E-02

S11

-4.3640E-02

-6.0770E-02

2.3600E-02

1.1500E-02

4.5930E-03

-3.2050E-02

2.5525E-02

-7.7900E-03

8.3900E-04

S12

-2.2390E-02

-9.7440E-02

1.3510E-01

-1.2673E-01

8.8843E-02

-3.8510E-02

9.5690E-03

-1.2600E-03

6.8200E-05

S13

-1.5116E-01

3.8773E-02

9.5520E-03

-2.1000E-04

-3.0700E-03

1.2110E-03

-2.1000E-04

1.8000E-05

-6.2000E-07

S14

-1.3486E-01

9.5105E-02

-5.4750E-02

2.3155E-02

-6.9400E-03

1.4100E-03

-1.8000E-04

1.3600E-05

-4.4000E-07

Table 17

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	9.29	5.39	-9.32	50.26	101.06
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.69	-1.95	4.07	4.99	3.41

Table 18

Figure 12 A show chromatic curve on the axle of the imaging lens system group of embodiment 6, its represent different wave length light via Converging focal point after lens group deviates.Figure 12 B show the astigmatism curve of the imaging lens system group of embodiment 6, and it represents meridian picture Face is bent and sagittal image surface bending.Figure 12 C show the distortion curve of the imaging lens system group of embodiment 6, and it represents different visual angles In the case of distortion sizes values.Figure 12 D show the ratio chromatism, curve of the imaging lens system group of embodiment 6, and it represents light warp By the deviation of the different image heights after lens group on imaging surface.Understood according to Figure 12 A to Figure 12 D, taking the photograph given by embodiment 6 As lens group can realize good image quality.

Embodiment 7

The imaging lens system group according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 shows basis The structural representation of the imaging lens system group of the embodiment of the present application 7.

As shown in figure 13, imaging lens system group along optical axis from thing side to sequentially including the first lens E1, second saturating into image side Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4 Thing side S7 and image side surface S8 is aspherical.

Table 19 show the surface types of each lens of the imaging lens system group of embodiment 7, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 20 is shown available for each non-in embodiment 7 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 21 Show the effective focal length f1 to f7 of each lens in embodiment 7, total effective focal length f, the optics total length TTL of imaging lens system group with And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 19

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.1660E-02

4.8290E-03

-5.5810E-02

1.0870E-01

-1.2983E-01

9.6836E-02

-4.2670E-02

1.0236E-02

-1.0700E-03

S2

5.4105E-02

-2.3974E-01

2.1479E-01

7.9110E-02

-3.3130E-01

3.3256E-01

-1.7089E-01

4.4878E-02

-4.9700E-03

S3

8.1733E-02

-1.8717E-01

-6.9500E-03

7.0934E-01

-1.4721E+00

1.6574E+00

-1.1225E+00

4.2862E-01

-7.1460E-02

S4

-4.7900E-03

-6.2290E-02

6.6110E-02

1.2473E-01

-3.9610E-01

4.2268E-01

-1.7857E-01

-8.6000E-05

1.2797E-02

S5

-6.0030E-02

-4.4850E-02

3.2852E-01

-7.8923E-01

1.4670E+00

-1.9346E+00

1.6292E+00

-7.7259E-01

1.5419E-01

S6

-7.2160E-02

1.1156E-01

-3.3247E-01

1.1102E+00

-2.1665E+00

2.5300E+00

-1.7058E+00

6.0295E-01

-8.3380E-02

S7

-6.0300E-03

-2.1552E-01

9.7194E-01

-2.9793E+00

5.6908E+00

-6.8679E+00

5.1111E+00

-2.1406E+00

3.8858E-01

S8

-1.5592E-01

2.3442E-01

-6.2732E-01

1.4739E+00

-2.6149E+00

2.8700E+00

-1.7963E+00

5.8211E-01

-7.3800E-02

S9

-2.3649E-01

1.8222E-01

-1.9078E-01

4.9560E-01

-1.1744E+00

1.3696E+00

-7.8249E-01

1.9943E-01

-1.5130E-02

S10

-1.7564E-01

1.0255E-01

-2.4389E-01

6.7647E-01

-1.0666E+00

9.4467E-01

-4.7449E-01

1.2684E-01

-1.4040E-02

S11

-4.0230E-02

-1.2510E-02

-1.2356E-01

2.5801E-01

-2.3757E-01

1.1719E-01

-3.1240E-02

4.1670E-03

-2.1000E-04

S12

-9.8040E-02

1.0640E-01

-1.6217E-01

1.5839E-01

-8.4120E-02

2.5972E-02

-4.7400E-03

4.7900E-04

-2.1000E-05

S13

-1.2794E-01

6.4050E-03

3.6111E-02

-1.4710E-02

1.9840E-03

1.0100E-04

-6.1000E-05

6.8000E-06

-2.6000E-07

S14

-1.4207E-01

1.0127E-01

-5.7940E-02

2.3955E-02

-6.9900E-03

1.3850E-03

-1.8000E-04

1.3100E-05

-4.2000E-07

Table 20

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	8.87	5.37	-8.61	222.73	331.68
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.50	-1.96	4.08	4.99	3.41

Table 21

Figure 14 A show chromatic curve on the axle of the imaging lens system group of embodiment 7, its represent different wave length light via Converging focal point after lens group deviates.Figure 14 B show the astigmatism curve of the imaging lens system group of embodiment 7, and it represents meridian picture Face is bent and sagittal image surface bending.Figure 14 C show the distortion curve of the imaging lens system group of embodiment 7, and it represents different visual angles In the case of distortion sizes values.Figure 14 D show the ratio chromatism, curve of the imaging lens system group of embodiment 7, and it represents light warp By the deviation of the different image heights after lens group on imaging surface.Understood according to Figure 14 A to Figure 14 D, taking the photograph given by embodiment 7 As lens group can realize good image quality.

Embodiment 8

The imaging lens system group according to the embodiment of the present application 8 is described referring to Figure 15 to Figure 16 D.Figure 15 shows basis The structural representation of the imaging lens system group of the embodiment of the present application 8.

As shown in figure 15, imaging lens system group along optical axis from thing side to sequentially including the first lens E1, second saturating into image side Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

Table 22 show the surface types of each lens of the imaging lens system group of embodiment 8, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 23 is shown available for each non-in embodiment 8 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 24 Show the effective focal length f1 to f7 of each lens in embodiment 8, total effective focal length f, the optics total length TTL of imaging lens system group with And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 22

Table 23

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	9.73	5.29	-9.10	56.84	-354.57
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.51	-1.92	4.05	4.99	3.41

Table 24

Figure 16 A show chromatic curve on the axle of the imaging lens system group of embodiment 8, its represent different wave length light via Converging focal point after lens group deviates.Figure 16 B show the astigmatism curve of the imaging lens system group of embodiment 8, and it represents meridian picture Face is bent and sagittal image surface bending.Figure 16 C show the distortion curve of the imaging lens system group of embodiment 8, and it represents different visual angles In the case of distortion sizes values.Figure 16 D show the ratio chromatism, curve of the imaging lens system group of embodiment 8, and it represents light warp By the deviation of the different image heights after lens group on imaging surface.Understood according to Figure 16 A to Figure 16 D, taking the photograph given by embodiment 8 As lens group can realize good image quality.

Embodiment 9

The imaging lens system group according to the embodiment of the present application 9 is described referring to Figure 17 to Figure 18 D.Figure 17 shows basis The structural representation of the imaging lens system group of the embodiment of the present application 9.

As shown in figure 17, imaging lens system group along optical axis from thing side to sequentially including the first lens E1, second saturating into image side Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

5th lens E5 has negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface, and the 5th lens E5 Thing side S9 and image side surface S10 be aspherical.

Table 25 show the surface types of each lens of the imaging lens system group of embodiment 9, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 26 is shown available for each non-in embodiment 9 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 27 Show the effective focal length f1 to f7 of each lens in embodiment 9, total effective focal length f, the optics total length TTL of imaging lens system group with And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 25

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.5120E-02

1.3686E-02

-1.0703E-01

2.3267E-01

-3.0878E-01

2.5718E-01

-1.2770E-01

3.4442E-02

-3.9100E-03

S2

6.0324E-02

-2.4777E-01

1.2025E-01

3.8023E-01

-7.8079E-01

7.4845E-01

-4.1428E-01

1.2632E-01

-1.6660E-02

S3

8.8799E-02

-1.9008E-01

-1.1327E-01

1.0690E+00

-2.0793E+00

2.2983E+00

-1.5444E+00

5.8362E-01

-9.5240E-02

S4

-1.3630E-02

-4.4060E-02

1.1708E-01

-2.2490E-01

4.4271E-01

-6.6543E-01

6.1925E-01

-3.0970E-01

6.2180E-02

S5

-6.7230E-02

-1.5820E-02

2.3108E-01

-6.3781E-01

1.4035E+00

-2.0825E+00

1.8628E+00

-9.0290E-01

1.8018E-01

S6

-6.5170E-02

3.6386E-02

5.7067E-02

-1.8935E-01

5.3844E-01

-9.2843E-01

9.1028E-01

-4.6194E-01

9.4292E-02

S7

-4.2640E-02

8.7273E-02

-5.6894E-01

1.8386E+00

-3.8604E+00

5.1711E+00

-4.2393E+00

1.9326E+00

-3.6966E-01

S8

-6.5020E-02

-1.7554E-01

7.5034E-01

-1.8149E+00

2.5205E+00

-2.1726E+00

1.1864E+00

-3.8672E-01

5.8915E-02

S9

-1.9856E-01

2.2223E-01

-8.7732E-01

2.7390E+00

-5.1936E+00

5.7633E+00

-3.6905E+00

1.2700E+00

-1.8337E-01

S10

-1.8540E-01

1.5565E-01

-4.3045E-01

1.0234E+00

-1.4615E+00

1.2254E+00

-5.9434E-01

1.5477E-01

-1.6760E-02

S11

-1.7300E-02

-1.4841E-01

1.5677E-01

-7.6060E-02

3.7190E-03

6.3850E-03

1.4260E-03

-1.5300E-03

2.3000E-04

S12

-2.4480E-02

-8.4330E-02

1.1203E-01

-8.7260E-02

5.1335E-02

-1.9720E-02

4.4530E-03

-5.4000E-04

2.6500E-05

S13

-1.4122E-01

2.6886E-02

2.1554E-02

-8.8000E-03

4.9500E-04

3.4500E-04

-8.7000E-05

8.5300E-06

-3.2000E-07

S14

-1.4050E-01

1.0447E-01

-6.3350E-02

2.7588E-02

-8.2900E-03

1.6560E-03

-2.1000E-04

1.4900E-05

-4.6000E-07

Table 26

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	10.16	5.28	-9.63	18.92	-22.91
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.58	-1.97	4.06	4.99	3.41

Table 27

Figure 18 A show chromatic curve on the axle of the imaging lens system group of embodiment 9, its represent different wave length light via Converging focal point after lens group deviates.Figure 18 B show the astigmatism curve of the imaging lens system group of embodiment 9, and it represents meridian picture Face is bent and sagittal image surface bending.Figure 18 C show the distortion curve of the imaging lens system group of embodiment 9, and it represents different visual angles In the case of distortion sizes values.Figure 18 D show the ratio chromatism, curve of the imaging lens system group of embodiment 9, and it represents light warp By the deviation of the different image heights after lens group on imaging surface.Understood according to Figure 18 A to Figure 18 D, taking the photograph given by embodiment 9 As lens group can realize good image quality.

Embodiment 10

The imaging lens system group according to the embodiment of the present application 10 is described referring to Figure 19 to Figure 20 D.Figure 19 shows root According to the structural representation of the imaging lens system group of the embodiment of the present application 10.

As shown in figure 19, imaging lens system group along optical axis from thing side to sequentially including the first lens E1, second saturating into image side Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

5th lens E5 has positive light coke, and its thing side S9 is concave surface, and image side surface S10 is convex surface, and the 5th lens E5 Thing side S9 and image side surface S10 be aspherical.

Table 28 show the surface types of each lens of the imaging lens system group of embodiment 10, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 29 is shown available for each non-in embodiment 10 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 30 Show the effective focal length f1 to f7 of each lens in embodiment 10, total effective focal length f of imaging lens system group, optics total length TTL And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 28

Table 29

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	9.61	5.22	-9.01	28.84	794.72
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.61	-1.88	4.06	4.99	3.41

Table 30

Figure 20 A show chromatic curve on the axle of the imaging lens system group of embodiment 10, and it represents the light warp of different wave length Deviateed by the converging focal point after lens group.Figure 20 B show the astigmatism curve of the imaging lens system group of embodiment 10, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 20 C show the distortion curve of the imaging lens system group of embodiment 10, and it represents that difference regards Distortion sizes values in the case of angle.Figure 20 D show the ratio chromatism, curve of the imaging lens system group of embodiment 10, and it represents light Via the deviation of the different image heights after lens group on imaging surface.Understood according to Figure 20 A to Figure 20 D, given by embodiment 10 Imaging lens system group can realize good image quality.

Embodiment 11

The imaging lens system group according to the embodiment of the present application 11 is described referring to Figure 21 to Figure 22 D.Figure 21 shows root According to the structural representation of the imaging lens system group of the embodiment of the present application 11.

As shown in figure 21, imaging lens system group along optical axis from thing side to sequentially including the first lens E1, second saturating into image side Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.

Table 31 show the surface types of each lens of the imaging lens system group of embodiment 11, radius of curvature, thickness, material and Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 32 is shown available for each non-in embodiment 11 The high order term coefficient of spherical mirror surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 33 Show the effective focal length f1 to f7 of each lens in embodiment 11, total effective focal length f of imaging lens system group, optics total length TTL And on imaging surface S17 effective pixel area diagonal line length half ImgH.

Table 31

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-1.5120E-02

1.4769E-02

-1.0973E-01

2.3983E-01

-3.2099E-01

2.6769E-01

-1.3255E-01

3.5566E-02

-4.0100E-03

S2

5.5236E-02

-2.4134E-01

1.3518E-01

3.4134E-01

-7.4216E-01

7.1968E-01

-3.9273E-01

1.1510E-01

-1.4260E-02

S3

8.3019E-02

-1.8515E-01

-1.1306E-01

1.0916E+00

-2.1564E+00

2.3932E+00

-1.5977E+00

5.9618E-01

-9.5860E-02

S4

-2.4170E-02

6.2340E-03

-3.6530E-02

7.0512E-02

8.7395E-02

-4.0142E-01

5.0779E-01

-2.8741E-01

6.0963E-02

S5

-7.9210E-02

3.6325E-02

9.4232E-02

-3.6369E-01

1.0025E+00

-1.6718E+00

1.5906E+00

-7.9904E-01

1.6278E-01

S6

-6.7640E-02

4.9656E-02

2.4953E-02

-9.5940E-02

3.2664E-01

-6.3902E-01

6.8625E-01

-3.7025E-01

7.8134E-02

S7

-4.4790E-02

9.7092E-02

-5.9921E-01

1.9060E+00

-4.0045E+00

5.4293E+00

-4.5360E+00

2.1194E+00

-4.1891E-01

S8

-1.1430E-01

7.3499E-02

9.8110E-03

-3.7535E-01

6.9303E-01

-7.0789E-01

4.9477E-01

-2.1894E-01

4.4149E-02

S9

-2.3145E-01

2.3865E-01

-5.2957E-01

1.3171E+00

-2.4717E+00

2.7737E+00

-1.7602E+00

5.8868E-01

-8.2190E-02

S10

-2.0240E-01

1.7815E-01

-3.6077E-01

7.3810E-01

-1.0343E+00

8.8344E-01

-4.3853E-01

1.1637E-01

-1.2760E-02

S11

-4.5970E-02

-4.8620E-02

1.0247E-02

4.6805E-02

-6.2560E-02

3.3227E-02

-7.5200E-03

4.8000E-04

3.2400E-05

S12

-2.7140E-02

-6.2110E-02

8.1130E-02

-6.4970E-02

4.0140E-02

-1.5680E-02

3.5090E-03

-4.1000E-04

1.9700E-05

S13

-1.4605E-01

3.3547E-02

1.4965E-02

-4.5900E-03

-1.0800E-03

6.9800E-04

-1.3000E-04

1.1900E-05

-4.2000E-07

S14

-1.3393E-01

9.4662E-02

-5.5170E-02

2.3593E-02

-7.0800E-03

1.4210E-03

-1.8000E-04

1.3100E-05

-4.1000E-07

Table 32

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	9.54	5.32	-9.03	37.34	-58.30
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	2.59	-1.98	4.07	4.99	3.41

Table 33

Figure 22 A show chromatic curve on the axle of the imaging lens system group of embodiment 11, and it represents the light warp of different wave length Deviateed by the converging focal point after lens group.Figure 22 B show the astigmatism curve of the imaging lens system group of embodiment 11, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 22 C show the distortion curve of the imaging lens system group of embodiment 11, and it represents that difference regards Distortion sizes values in the case of angle.Figure 22 D show the ratio chromatism, curve of the imaging lens system group of embodiment 11, and it represents light Via the deviation of the different image heights after lens group on imaging surface.Understood according to Figure 22 A to Figure 22 D, given by embodiment 11 Imaging lens system group can realize good image quality.

To sum up, embodiment 1 to embodiment 11 meets the relation shown in table 34 respectively.

Conditional embodiment	1	2	3	4	5	6	7	8	9	10	11
												f/EPD	1.59	1.59	1.59	1.59	1.58	1.58	1.57	1.57	1.58	1.58	1.58
f2/f6	2.08	2.03	2.43	2.09	2.00	2.00	2.15	2.11	2.05	2.00	2.05
												f6/CT6	3.29	3.31	3.51	3.74	4.17	4.23	4.06	3.82	4.07	4.13	3.98
f2/f7	-2.53	-2.49	-3.01	-2.60	-2.75	-2.76	-2.75	-2.75	-2.68	-2.77	-2.68
												(CT1+CT2+CT6)/CT1	4.21	4.23	3.78	3.99	4.17	4.21	3.83	4.18	4.24	4.11	4.16
f/f7	-2.14	-2.15	-2.10	-2.06	-2.10	-2.09	-2.09	-2.11	-2.06	-2.16	-2.05
												f2/f3	-0.62	-0.61	-0.65	-0.65	-0.66	-0.58	-0.62	-0.58	-0.55	-0.58	-0.59
CT6(mm)	0.69	0.70	0.68	0.66	0.64	0.64	0.62	0.66	0.63	0.63	0.65
												R12/R13	0.36	0.36	0.38	0.35	0.39	0.39	0.32	0.37	0.36	0.36	0.39
CT1/CT2	0.66	0.65	0.78	0.69	0.63	0.62	0.71	0.64	0.61	0.64	0.64
												\|f1/f5\|	0.09	0.05	0.09	0.02	0.06	0.09	0.03	0.03	0.44	0.01	0.16

Table 34

The application also provides a kind of camera device, and its electronics photo-sensitive cell can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Camera device can be such as digital camera independent picture pick-up device or The photographing module being integrated on the mobile electronic devices such as mobile phone.The camera device is equipped with imaging lens system described above Group.

Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein The technical scheme that the technical characteristic of energy is replaced mutually and formed.

Claims

1. imaging lens system group, sequentially included by thing side to image side along optical axis：It is first lens, the second lens, the 3rd lens, the 4th saturating Mirror, the 5th lens, the 6th lens and the 7th lens,

Characterized in that,

First lens have positive light coke, and its thing side is convex surface；

Second lens have positive light coke, and its thing side is convex surface；

3rd lens have focal power, and its image side surface is concave surface；

4th lens have focal power；

5th lens have focal power；

6th lens have positive light coke, and its image side surface is convex surface；

7th lens have negative power, and its thing side and image side surface are concave surface；

The total effectively focal power f and Entry pupil diameters EPD of the imaging lens system group of the imaging lens system group meets f/EPD≤1.60.

2. imaging lens system group according to claim 1, it is characterised in that the effective focal length f2 of second lens with it is described The effective focal length f6 of 6th lens meets 2≤f2/f6 ＜ 3.

3. imaging lens system group according to claim 1, it is characterised in that the imaging lens system group it is total effectively focal power f with The effective focal length f7 of 7th lens meets -3 ＜ f/f7≤- 2.

4. the imaging lens system group according to claim 1 or 3, it is characterised in that the effective focal length f2 of second lens with The effective focal length f7 of 7th lens meets -3.5 ＜ f2/f7 ＜ -2.0.

5. imaging lens system group according to claim 1, it is characterised in that the 3rd lens have negative power, described The effective focal length f2 of second lens and the 3rd lens effective focal length f3 meet -1 ＜ f2/f3≤- 0.5.

6. imaging lens system group according to claim 1, it is characterised in that the effective focal length f1 of first lens with it is described The effective focal length f5 of 5th lens meets | f1/f5 |≤0.5.

7. imaging lens system group according to claim 1, it is characterised in that the 6th lens are in the center on the optical axis Thickness CT6 meets 0.5mm ＜ CT6 ＜ 1.0mm.

8. imaging lens system group according to claim 1, it is characterised in that first lens are in the center on the optical axis Thickness CT1 meets 0.5 ＜ CT1/CT2 ＜ 1 with second lens in the center thickness CT2 on the optical axis.

9. according to the imaging lens system group any one of claim 1,2 or 7, it is characterised in that the 6th lens have Imitate focal length f6 and meet 3.0 ＜ f6/CT6 ＜ 4.5 in the center thickness CT6 on the optical axis with the 6th lens.

10. according to the imaging lens system group any one of claim 1,7 or 8, it is characterised in that first lens are in institute Center thickness CT1 on optical axis, second lens are stated in the center thickness CT2 on the optical axis and the 6th lens in institute The center thickness CT6 stated on optical axis meets 3 ＜ (CT1+CT2+CT6)/CT1 ＜ 5.

11. imaging lens system group according to claim 1, it is characterised in that the radius of curvature of the 6th lens image side surface R12 and the radius of curvature R 13 of the 7th lens thing side meet 0 ＜ R12/R13 ＜ 0.5.

12. imaging lens system group, sequentially included by thing side to image side along optical axis：First lens, the second lens, the 3rd lens, the 4th Lens, the 5th lens, the 6th lens and the 7th lens,

Characterized in that,

First lens have positive light coke, and its thing side is convex surface；

Second lens have positive light coke, and at least one in its thing side and image side surface is convex surface；

3rd lens have focal power, and its image side surface is concave surface；

At least one in 4th lens and the 5th lens has positive light coke；

First lens are in the center thickness CT1 on the optical axis and second lens in the center thickness on the optical axis CT2 meets 0.5 ＜ CT1/CT2 ＜ 1.

13. imaging lens system group according to claim 12, it is characterised in that the 6th lens are on the optical axis Heart thickness CT6 meets 0.5mm ＜ CT6 ＜ 1.0mm.

14. imaging lens system group according to claim 13, it is characterised in that first lens are on the optical axis Heart thickness CT1, second lens are in the center thickness CT2 on the optical axis and the 6th lens on the optical axis Heart thickness CT6 meets 3 ＜ (CT1+CT2+CT6)/CT1 ＜ 5.

15. imaging lens system group according to claim 13, it is characterised in that the effective focal length f6 of the 6th lens and institute State the 6th lens and meet 3.0 ＜ f6/CT6 ＜ 4.5 in the center thickness CT6 on the optical axis.

16. imaging lens system group according to claim 12, it is characterised in that the radius of curvature of the 6th lens image side surface R12 and the radius of curvature R 13 of the 7th lens thing side meet 0 ＜ R12/R13 ＜ 0.5.

17. imaging lens system group according to claim 15, it is characterised in that the effective focal length f2 of second lens and institute The effective focal length f6 for stating the 6th lens meets 2≤f2/f6 ＜ 3.

18. imaging lens system group according to claim 17, it is characterised in that the 3rd lens have negative power, institute The effective focal length f2 and the 3rd lens that state the second lens effective focal length f3 meet -1 ＜ f2/f3≤- 0.5.

19. imaging lens system group according to claim 17, it is characterised in that the effective focal length f2 of second lens and institute The effective focal length f7 for stating the 7th lens meets -3.5 ＜ f2/f7 ＜ -2.0.

20. imaging lens system group according to claim 19, it is characterised in that total effectively focal power f of the imaging lens system group Meet -3 ＜ f/f7≤- 2 with the effective focal length f7 of the 7th lens.

21. imaging lens system group according to claim 12, it is characterised in that the effective focal length f1 of first lens and institute The effective focal length f5 for stating the 5th lens meets | f1/f5 |≤0.5.

22. the imaging lens system group according to any one of claim 12 to 21, it is characterised in that the imaging lens system group The total effectively focal power f and Entry pupil diameters EPD of the imaging lens system group meets f/EPD≤1.60.