CN107728290A

CN107728290A - Optical imaging system

Info

Publication number: CN107728290A
Application number: CN201711066338.7A
Authority: CN
Inventors: 吕赛锋; 闻人建科; 丁玲
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2017-11-02
Filing date: 2017-11-02
Publication date: 2018-02-23
Anticipated expiration: 2037-11-02
Also published as: CN107728290B

Abstract

This application discloses a kind of optical imaging system, includes successively from thing side to image side：The first lens with negative power；The second lens with focal power；The 3rd lens with negative focal power；The 4th lens with focal power；The 5th lens with focal power；The 6th lens with focal power；The 7th lens with focal power；Wherein, there is the air gap on optical axis between any two adjacent lens in first lens to the 7th lens, meet between the effective focal length f of optical imaging system and the Entry pupil diameters EPD of optical imaging lens, f/EPD≤2.10, and meet f1/f between the effective focal length f of optical imaging system and the effective focal length f1 of the first lens>‑3.The optical imaging system of the application is applicable to portable type electronic product, is the optical imaging system with large aperture, superior image quality and wide-angle characteristic.

Description

Optical imaging system

Technical field

The present invention relates to a kind of optical imaging system, the optical imaging system being particularly made up of seven eyeglasses.

Background technology

With the quick update of the consumption electronic products such as mobile phone, tablet personal computer, market is to product end imaging lens It is it is required that further diversified.At this stage, in addition to requiring imaging lens and there is the characteristics such as high pixel, high-resolution, high relative luminance, Large aperture and wider field of view angle also to camera lens etc. propose higher requirement, to meet the imaging need of every field Ask.

Therefore, the present invention proposes one kind and is applicable to portable type electronic product, have large aperture, superior image quality and The optical imaging system of wide-angle characteristic.

The content of the invention

In order to solve at least one problem of the prior art, the invention provides a kind of optical imaging system.

One aspect of the present invention provides a kind of optical imaging system, includes successively from thing side to image side：With negative light First lens of focal power；The second lens with focal power；The 3rd lens with negative focal power；The 4th with focal power is saturating Mirror；The 5th lens with focal power；The 6th lens with focal power；The 7th lens with focal power；Wherein, first is saturating There is the air gap, the effective focal length of optical imaging system between any two adjacent lens in mirror to the 7th lens on optical axis Meet between f and the Entry pupil diameters EPD of optical imaging lens, f/EPD≤2.10, and the effective focal length f of optical imaging system Meet f1/f between the effective focal length f1 of the first lens>-3.

According to an embodiment of the invention, distance TTL and imaging surface on the first lens thing side to the axle of imaging surface Meet 2≤TTL/ImgH≤6 between the half ImgH of upper effective pixel area diagonal line length.

According to an embodiment of the invention, the effective focal length f of optical imaging system and the song of the 6th lens image side surface Meet -1.5≤f/R12≤0 between rate radius R12.

According to an embodiment of the invention, the song of the effective focal length f of optical imaging system and the second lens thing side Meet 0≤f/R3≤1.5 between rate radius R3.

According to an embodiment of the invention, the effective focal length f1 of the first lens and the effective focal length f7 of the 7th lens it Between meet 0<f1/f7≤1.5.

According to an embodiment of the invention, the lens image side surface of radius of curvature R 5 and the 3rd of the 3rd lens thing side Between radius of curvature R 6 meet 0.5≤| R5+R6 |/| R5-R6 |.

According to an embodiment of the invention, the effective focal length f4 of the 4th lens and the effective focal length f6 of the 6th lens it Between meet 0≤f4/f6≤2.

According to an embodiment of the invention, the effective focal length f5 of the 5th lens, the curvature half of the first lens image side surface Between the radius of curvature R 3 of footpath R2 and the second lens thing side meet 2≤| f5/R2 |+| f5/R3 |≤15.

According to an embodiment of the invention, distance TTL and first is saturating on the first lens thing side to the axle of imaging surface Mirror and the second lens meet 0 between the airspace T12 on optical axis<T12/TTL<0.5.

According to an embodiment of the invention, the refractive index N3 of the 3rd lens, the refractive index N5 of the 5th lens and Between the refractive index N7 of seven lens meet 1.5≤| N3+N5+N7 |/3.

According to an embodiment of the invention, the effective focal length f2 of the second lens, the effective focal length f3 of the 3rd lens, The effective focal length f4 of four lens, the effective focal length f5 of the 5th lens, the 6th effective focal length f6 of lens and having for the 7th lens Meet between effect focal length f7 | f5+f6+f7 |/| f2+f3+f4 |≤2.

One aspect of the present invention provides a kind of optical imaging system, includes successively from thing side to image side：With negative light First lens of focal power；The second lens with focal power, its thing side are convex surface；The 3rd lens with focal power, its thing Side is concave surface；The 4th lens with focal power；The 5th lens with focal power；The 6th lens with focal power；Tool There are the 7th lens of negative power；Wherein, the Entry pupil diameters EPD of the effective focal length f of optical imaging system and optical imaging lens Between meet f/EPD≤2.10, and the half HFOV at the maximum field of view angle of optical imaging system meets HFOV >=60 °.

Portable type electronic product is applicable to according to the optical imaging system of the present invention, is with large aperture, good imaging The optical imaging system of quality and wide-angle characteristic.

Brief description of the drawings

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

Fig. 1 shows the structural representation of the optical imaging system of embodiment 1；

Fig. 2 to Fig. 5 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 1, astigmatism curve, distortion song Line and ratio chromatism, curve；

Fig. 6 shows the structural representation of the optical imaging system of embodiment 2；

Fig. 7 to Figure 10 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 2, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 11 shows the structural representation of the optical imaging system of embodiment 3；

Figure 12 to Figure 15 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 3, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 16 shows the structural representation of the optical imaging system of embodiment 4；

Figure 17 to Figure 20 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 4, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 21 shows the structural representation of the optical imaging system of embodiment 5；

Figure 22 to Figure 25 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 5, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 26 shows the structural representation of the optical imaging system of embodiment 6；

Figure 27 to Figure 30 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 6, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 31 shows the structural representation of the optical imaging system of embodiment 7；

Figure 32 to Figure 35 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 7, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 36 shows the structural representation of the optical imaging system of embodiment 8；

Figure 37 to Figure 40 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 8, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 41 shows the structural representation of the optical imaging system of embodiment 9；

Figure 42 to Figure 45 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 9, astigmatism curve, distortion Curve and ratio chromatism, curve；

Figure 46 shows the structural representation of the optical imaging system of embodiment 10；

Figure 47 to Figure 50 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 10, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 51 shows the structural representation of the optical imaging system of embodiment 11；

Figure 52 to Figure 55 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 11, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 56 shows the structural representation of the optical imaging system of embodiment 12；

Figure 57 to Figure 60 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 12, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 61 shows the structural representation of the optical imaging system of embodiment 13；

Figure 62 to Figure 65 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 13, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 66 shows the structural representation of the optical imaging system of embodiment 14；

Figure 67 to Figure 70 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 14, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 71 shows the structural representation of the optical imaging system of embodiment 15；

Figure 72 to Figure 75 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 15, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 76 shows the structural representation of the optical imaging system of embodiment 16；And

Figure 77 to Figure 80 respectively illustrates chromatic curve on the axle of the optical imaging system of embodiment 16, astigmatism curve, abnormal Varied curve and ratio chromatism, curve.

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 Be easy to describe, illustrate only in accompanying drawing to about the related part of invention.

It should be understood that in this application, when element or layer be described as be in another element or layer " on ", " being connected to " or When " being attached to " another element or layer, its 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 be referred to as " located immediately at " another element or layer " on ", " directly connect It is connected to " or when " being attached directly to " another element or layer, in the absence of element 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 Items 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 for describe various elements, Part, region, layer and/or section, but these elements, part, region, layer and/or Duan Buying are limited by these terms.These are used Language is only used for distinguishing an element, part, region, layer or section and another element, part, region, layer or section.Therefore, In the case of without departing substantially from teachings of the present application, the first element, part, region, layer or section discussed below can be referred to as the Two element, part, region, layer or section.

Terminology used herein is only used for describing the purpose of embodiment, it is no intended to limits the application.Such as exist It is used herein, unless being clearly dictated in context, otherwise it is also intended to bag without the feature for limiting single plural form Include the feature of plural form.It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", Represent stated feature, entirety, step, operation, element and/or part be present when using in this manual, but do not arrange Except exist or add one or more of the other feature, entirety, step, operation, element, part and/or their group.Such as herein Middle to use, term "and/or" includes any of one or more of associated Listed Items and all combination.Such as The statement of " ... at least one " modifies whole element list, rather than modification row when after the list for appearing in element Individual component in table.In addition, when describing presently filed embodiment, " can with " be used to represent " one or more of the application Individual embodiment ".Also, term " exemplary " 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.

This application provides a kind of optical imaging system, includes successively from thing side to image side：First with negative power Lens；The second lens with focal power；The 3rd lens with negative focal power；The 4th lens with focal power；With light focus 5th lens of degree；The 6th lens with focal power；The 7th lens with focal power.

In embodiments herein, have between any two adjacent lens in the first lens to the 7th lens on optical axis There is the air gap.

In embodiments herein, the effective focal length f of optical imaging system and the Entry pupil diameters EPD of optical imaging lens Between meet f/EPD≤2.10, specifically, meet f/EPD≤2.03.And the effective focal length f of optical imaging system and first Meet f1/f between the effective focal length f1 of lens>- 3, specifically, meet f1/f >=-2.69., can by meeting above-mentioned relation Increase thang-kng amount, strengthen the shooting effect of insufficient light environment, at the same be advantageous to relax deflection of light, increase field of view angle, with And ensure camera lens miniaturization and image quality.

In embodiments herein, on the first lens thing side to the axle of imaging surface on distance TTL and imaging surface effectively Meet 2≤TTL/ImgH≤6 between the half ImgH of pixel region diagonal line length, specifically, 2.14≤TTL/ImgH of satisfaction≤ 5.91.By meeting above-mentioned relation, it is able to maintain that camera lens minimizes, while ensure system imaging quality.

In embodiments herein, the effective focal length f of optical imaging system and the radius of curvature of the 6th lens image side surface Meet -1.5≤f/R12≤0 between R12, specifically, meet -1.25≤f/R12≤- 0.38.By meeting above-mentioned relation, energy Enough improve advanced coma and meridian higher order astigmatism, so as to lift image quality.

In embodiments herein, the radius of curvature of the effective focal length f of optical imaging system and the second lens thing side Meet 0≤f/R3≤1.5 between R3, specifically, meet 0.18≤f/R3≤1.28.By meeting above-mentioned relation, can relax Angle of incident light in wide-angle lens, be advantageous to increase field of view angle and correct aberration.

In embodiments herein, meet between the effective focal length f1 of the first lens and the effective focal length f7 of the 7th lens 0<F1/f7≤1.5, more specifically, meeting 0.12≤f1/f7≤1.36.By the light focus for distributing the first lens and the 7th lens Degree, is advantageous to relax incident angle, the matching chip CRA of wide-angle lens, while can effectively correct astigmatism, reduce distortion.

In embodiments herein, the curvature half of the lens image side surface of radius of curvature R 5 and the 3rd of the 3rd lens thing side Between the R6 of footpath meet 0.5≤| R5+R6 |/| R5-R6 |, more specifically, meet 0.74≤| R5+R6 |/| R5-R6 |.Pass through satisfaction Above-mentioned relation, can the lens image side radius of curvature of reasonable distribution the 3rd, be advantageous to correct spherical aberration, reduce system centre region and regard Field sensitive.

In embodiments herein, meet between the effective focal length f4 of the 4th lens and the effective focal length f6 of the 6th lens 0≤f4/f6≤2, specifically, meet 0.55≤f4/f6≤1.79.It is effectively burnt by the lens of reasonable distribution the 4th and the 6th lens Away from high-order spherical aberration can be reduced, while coordinate with the 5th lens and can effectively correct aberration.

In embodiments herein, the effective focal length f5 of the 5th lens, the first lens image side surface radius of curvature R 2 with And second lens thing side radius of curvature R 3 between meet 2≤| f5/R2 |+| f5/R3 |≤15, specifically, meet 1.24≤| f5/R2|+|f5/R3|≤5.65.By meeting above-mentioned relation, be advantageous to correct the aberration of wide-angle lens, improving optical system into As quality, while advantageously reduce system sensitivity.

In embodiments herein, distance TTL and the first lens and on the first lens thing side to the axle of imaging surface Two lens meet 0 between the airspace T12 on optical axis<T12/TTL<0.5, specifically, 0.10≤T12/TTL of satisfaction≤ 0.38.By meeting above-mentioned relation, be advantageous to relax incident ray, improve the senior aberration of wide angle system and lift imaging effect Fruit.

In embodiments herein, the refractive index N3 of the 3rd lens, the refractive index N5 and the 7th lens of the 5th lens Refractive index N7 between meet 1.5≤| N3+N5+N7 |/3, specifically, meet 1.67≤| N3+N5+N7 |/3.By in satisfaction Relation is stated, is advantageous to the overall aberration of correction system, maintains camera lens miniaturization, while there is good imaging performance.

In embodiments herein, the effective focal length f2 of the second lens, the effective focal length f3 of the 3rd lens, the 4th lens Effective focal length f4, effective focal length f5, the effective focal length f6 of the 6th lens and the effective focal length of the 7th lens of the 5th lens Meet between f7 | f5+f6+f7 |/| f2+f3+f4 |≤2, specifically, meet | f5+f6+f7 |/| f2+f3+f4 |≤1.74.It is logical Cross and meet above-mentioned relation, be advantageously implemented the compactedness of system, maintain camera lens miniaturization, ensure good imaging performance and add Work characteristic, while there is the characteristics of low sensitivity.

This application provides a kind of optical imaging system, includes successively from thing side to image side：First with negative power Lens；The second lens with focal power, its thing side are convex surface；The 3rd lens with focal power, its thing side are concave surface； The 4th lens with focal power；The 5th lens with focal power；The 6th lens with focal power；With negative power 7th lens.

In embodiments herein, the effective focal length f of optical imaging system and the Entry pupil diameters EPD of optical imaging lens Between meet f/EPD≤2.10, specifically, meet f/EPD≤2.03, and the half at the maximum field of view angle of optical imaging system HFOV meets HFOV >=60 °, specifically, meets HFOV >=63.1 °.By meeting above-mentioned relation, thang-kng amount can be increased, strengthened The shooting effect of insufficient light environment, at the same be advantageous to relax deflection of light, increase field of view angle, ensure camera lens miniaturization and into As quality, and enhancing and the CRA matching degrees of sensor.

The application is further described below in conjunction with specific embodiment.

Embodiment 1

Optical imaging system with reference first to Fig. 1 to Fig. 5 descriptions according to the embodiment of the present application 1.

Fig. 1 is the structural representation for the optical imaging system for showing embodiment 1.As shown in figure 1, optical imaging system bag Include 7 lens.This 7 lens are respectively the first lens E1 with thing side S1 and image side surface S2, with thing side S3 and picture Side S4 the second lens E2, the 3rd lens E3 with thing side S5 and image side surface S6, with thing side S7 and image side surface S8 The 4th lens E4, the 5th lens E5 with thing side S9 and image side surface S10, with thing side S11 and image side surface S12 Six lens E6 and the 7th lens E7 with thing side S13 and image side surface S14.First lens E1 to the 7th lens E7 from optics into As the thing side of system is set gradually to image side.

First lens E1 can have negative power, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.

Second lens E2 can have positive light coke, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.

3rd lens E3 can have negative power, and its thing side S5 can be concave surface, and image side surface S6 can be convex surface.

4th lens E4 can have positive light coke, and its thing side S7 can be convex surface, and image side surface S8 can be convex surface.

5th lens E5 can have negative power, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.

6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be convex surface.

7th lens E7 can have negative power, and its thing side S13 can be concave surface, and image side surface S14 can be concave surface.

In this embodiment, the light from object sequentially passes through each surface S1 to S14 and is ultimately imaged in imaging surface S15 On.

In this embodiment, the first lens E1 to the 7th lens E7 has respective effective focal length f1 to f7 respectively.First Lens E1 is arranged in order along optical axis to the 7th lens E7 and has together decided on total effective focal length f of optical imaging system.Table 1 below Show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, total effective focal length f of optical imaging system, optics into As the total length TTL (mm) of the system and half ImgH of electronics light sensitive component effective pixel area diagonal line length.

f1(mm)	-3.11	f(mm)	2.09
				f2(mm)	7.58	TTL(mm)	7.50
f3(mm)	-16.00	ImgH(mm)	3.50
				f4(mm)	2.45
f5(mm)	-9.22
				f6(mm	2.67
f7(mm)	-2.40

Table 1

Table 2 shows surface type, radius of curvature, thickness, the material of each lens in the optical imaging system in the embodiment Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 2

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 2)；Ai is the correction factor of aspherical i-th-th ranks.

Table 3 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment Number.

Face number

A4

A6

A8

A1

A12

14

A16

S1

1.3864E-03

-7.4957E-05

-1.5006E-05

1.5003E-06

-3.5650E-08

0.0000E+00

S2

3.8141E-05

7.5954E-03

-3.4409E-04

5.9189E-04

2.1724E-05

0.0000E+00

S3

-9.0162E-03

-7.0529E-03

-1.1214E-03

-1.3471E-02

0.0000E+00

S4

7.9493E-03

-3.2887E-03

-1.6119E-02

-1.3241E-02

0.0000E+00

S5

-7.4821E-03

-1.3155E-02

-1.9980E-02

5.5687E-03

0.0000E+00

S6

6.9096E-03

-1.0848E-02

2.6126E-03

-7.6284E-03

0.0000E+00

S7

-5.9840E-03

6.2424E-03

0.0000E+00

S8

-1.7361E-02

1.1947E-02

1.5103E-02

-3.4832E-03

0.0000E+00

S9

-1.1023E-01

3.2461E-02

-1.6562E-02

-1.2644E-02

0.0000E+00

S10

-6.7863E-02

5.6271E-02

-2.6580E-02

4.4967E-03

0.0000E+00

S11

-1.6919E-02

3.3976E-03

1.7396E-03

-6.8528E-04

0.0000E+00

S12

-7.9257E-03

-1.2379E-02

1.8225E-04

3.1185E-04

0.0000E+00

S13

7.0751E-03

-3.0994E-02

1.0029E-02

-7.4032E-04

0.0000E+00

S14

-5.4507E-02

6.2363E-03

-1.5055E-04

-1.9691E-05

0.0000E+00

Table 3

Fig. 2 shows chromatic curve on the axle of the optical imaging system of embodiment 1, its represent different wave length light via Converging focal point after optical system deviates.Fig. 3 shows the astigmatism curve of the optical imaging system of embodiment 1, and it represents meridian Curvature of the image and sagittal image surface bending.Fig. 4 shows the distortion curve of the optical imaging system of embodiment 1, and it represents that difference regards Distortion sizes values in the case of angle.Fig. 5 shows the ratio chromatism, curve of the optical imaging system of embodiment 1, and it represents light Via the deviation of the different image heights after optical imaging system on imaging surface.In summary and reference picture 2 can be seen to Fig. 5 Go out, portable type electronic product be applied to according to the optical imaging system of embodiment 1, have large aperture, good image quality and Wide-angle characteristic.

Embodiment 2

Optical imaging system referring to Fig. 6 to Figure 10 descriptions according to the embodiment of the present application 2.

Fig. 6 is the structural representation for the optical imaging system for showing embodiment 2.As shown in fig. 6, optical imaging system bag Include 7 lens.This 7 lens are respectively the first lens E1 with thing side S1 and image side surface S2, with thing side S3 and picture Side S4 the second lens E2, the 3rd lens E3 with thing side S5 and image side surface S6, with thing side S7 and image side surface S8 The 4th lens E4, the 5th lens E5 with thing side S9 and image side surface S10, with thing side S11 and image side surface S12 Six lens E6 and the 7th lens E7 with thing side S13 and image side surface S14.First lens E1 to the 7th lens E7 from optics into As the thing side of system is set gradually to image side.

In this embodiment, the light from object sequentially passes through each surface S1 to S14 and is ultimately imaged in imaging surface S15.

Table 4 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

Table 4

Table 5 shows surface type, radius of curvature, thickness, the material of each lens in the optical imaging system in the embodiment Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 5

Table 6 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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 axle of the optical imaging system of embodiment 2, its represent different wave length light via Converging focal point after optical system deviates.Fig. 8 shows the astigmatism curve of the optical imaging system of embodiment 2, and it represents meridian Curvature of the image and sagittal image surface bending.Fig. 9 shows the distortion curve of the optical imaging system of embodiment 2, and it represents that difference regards Distortion sizes values in the case of angle.Figure 10 shows the ratio chromatism, curve of the optical imaging system of embodiment 2, and it represents light Via the deviation of the different image heights after optical imaging system on imaging surface.In summary and reference picture 7 can be seen to Figure 10 Go out, portable type electronic product be applied to according to the optical imaging system of embodiment 2, have large aperture, good image quality and Wide-angle characteristic.

Embodiment 3

Optical imaging system referring to Figure 11 to Figure 15 descriptions according to the embodiment of the present application 3.

Figure 11 is the structural representation for the optical imaging system for showing embodiment 3.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 7 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-2.05	f(mm)	1.04
				f2(mm)	13.18	TTL(mm)	6.50
f3(mm)	-68.12	ImgH(mm)	1.50
				f4(mm)	2.26
f5(mm)	-2.45
				f6mm)	1.26
f7(mm)	-3.29

Table 7

Table 8 shows surface type, radius of curvature, thickness, the material of each lens in the optical imaging system in the embodiment Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 8

Table 9 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A1

A12

14

A16

S1

-9.8670E-04

-2.5531E-04

-1.0084E-05

4.1818E-06

-3.5650E-08

0.0000E+00

S2

3.0718E-02

5.4729E-03

5.0585E-03

2.2682E-04

2.1724E-05

0.0000E+00

S3

-9.0182E-03

-1.6400E-02

-5.1970E-03

-6.9776E-04

0.0000E+00

S4

1.1003E-02

-8.5750E-03

-1.4601E-02

-1.2939E-04

0.0000E+00

S5

-7.3383E-03

-2.0118E-02

-3.0489E-02

-7.5610E-03

0.0000E+00

S6

5.4023E-03

-1.9648E-02

-1.3795E-02

-8.8604E-05

0.0000E+00

S7

-6.4492E-03

3.2132E-03

0.0000E+00

S8

-3.4604E-02

3.7423E-02

4.1085E-03

-4.8588E-03

0.0000E+00

S9

-1.3988E-01

2.9810E-02

-1.8757E-02

-2.4149E-02

0.0000E+00

S10

-6.7210E-02

5.8020E-02

-1.6165E-02

4.2405E-03

0.0000E+00

S11

8.8915E-03

1.6820E-02

3.3556E-04

3.1095E-03

0.0000E+00

S12

-1.2747E-02

-2.6313E-02

-1.5341E-03

4.2679E-03

0.0000E+00

S13

-6.4345E-02

-7.3099E-02

4.0312E-03

1.8192E-03

0.0000E+00

S14

-7.9815E-02

-7.5820E-03

3.5917E-04

1.0549E-03

0.0000E+00

Table 9

Figure 12 shows chromatic curve on the axle of the optical imaging system of embodiment 3, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 13 shows the astigmatism curve of the optical imaging system of embodiment 3, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 14 shows the distortion curve of the optical imaging system of embodiment 3, and it represents different Distortion sizes values in the case of visual angle.Figure 15 shows the ratio chromatism, curve of the optical imaging system of embodiment 3, and it represents light Line via the different image heights after optical imaging system on imaging surface deviation.In summary and reference picture 12 to Figure 15 can be with Find out, portable type electronic product is applied to according to the optical imaging system of embodiment 3, there is large aperture, good image quality With wide-angle characteristic.

Embodiment 4

Optical imaging system referring to Figure 16 to Figure 20 descriptions according to the embodiment of the present application 4.

Figure 16 is the structural representation for the optical imaging system for showing embodiment 4.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 10 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-3.24	f(mm)	2.11
				f2(mm)	7.77	TTL(mm)	7.50
f3(mm)	-15.61	ImgH(mm)	3.50
				f4(mm)	2.42
f5(mm)	-9.66
				f6(mm)	2.67
f7(mm)	-2.42

Table 10

Table 11 below show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 11

Table 12 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Face number

4

A6

A8

A1

A12

14

A16

S1

1.4937E-03

-1.1693E-04

-1.8411E-05

2.0288E-06

-3.5650E-08

0.0000E+00

S2

-3.2329E-03

7.6079E-03

-2.7588E-04

4.6373E-04

2.1724E-05

0.0000E+00

S3

-7.6148E-03

-7.9015E-03

-6.8173E-04

-1.1196E-02

0.0000E+00

S4

7.4919E-03

-4.9231E-03

-1.6010E-02

-1.1759E-02

0.0000E+00

S5

-8.0901E-03

-1.5741E-02

-2.1667E-02

7.6736E-03

0.0000E+00

S6

6.9734E-03

-1.2450E-02

2.0846E-03

-6.0933E-03

0.0000E+00

S7

-6.2444E-03

5.9440E-03

0.0000E+00

S8

-2.1869E-02

1.9168E-02

1.5521E-02

-5.0512E-03

0.0000E+00

S9

-1.1370E-01

3.0064E-02

-1.8145E-02

-9.1474E-03

0.0000E+00

S10

-7.1998E-02

5.6598E-02

-2.5470E-02

4.6465E-03

0.0000E+00

S11

-2.5884E-02

5.0096E-03

2.2823E-03

-8.3308E-04

0.0000E+00

S12

-8.6622E-03

-1.1872E-02

3.9628E-04

4.6550E-04

0.0000E+00

S13

8.9700E-03

-3.2449E-02

1.0290E-02

-7.7537E-04

0.0000E+00

S14

-5.4442E-02

6.1130E-03

-1.9948E-04

-1.0546E-05

0.0000E+00

Table 12

Figure 17 shows chromatic curve on the axle of the optical imaging system of embodiment 4, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 18 shows the astigmatism curve of the optical imaging system of embodiment 4, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 19 shows the distortion curve of the optical imaging system of embodiment 4, and it represents different Distortion sizes values in the case of visual angle.Figure 20 shows the ratio chromatism, curve of the optical imaging system of embodiment 4, and it represents light Line via the different image heights after optical imaging system on imaging surface deviation.In summary and reference picture 17 to Figure 20 can be with Find out, portable type electronic product is applied to according to the optical imaging system of embodiment 4, there is large aperture, good image quality With wide-angle characteristic.

Embodiment 5

Optical imaging system referring to Figure 21 to Figure 25 descriptions according to the embodiment of the present application 5.

Figure 21 is the structural representation for the optical imaging system for showing embodiment 5.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 13 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

Table 13

Table 14 below show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 14

Table 15 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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 axle of the optical imaging system of embodiment 5, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 23 shows the astigmatism curve of the optical imaging system of embodiment 5, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 24 shows the distortion curve of the optical imaging system of embodiment 5, and it represents different Distortion sizes values in the case of visual angle.Figure 25 shows the ratio chromatism, curve of the optical imaging system of embodiment 5, and it represents light Line via the different image heights after optical imaging system on imaging surface deviation.In summary and reference picture 22 to Figure 25 can be with Find out, portable type electronic product is applied to according to the optical imaging system of embodiment 5, there is large aperture, good image quality With wide-angle characteristic.

Embodiment 6

Optical imaging system referring to Figure 26 to Figure 30 descriptions according to the embodiment of the present application 6.

Figure 26 is the structural representation for the optical imaging system for showing embodiment 6.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 16 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-2.89	f(mm)	1.77
				f2(mm)	8.52	TTL(mm)	7.50
f3(mm)	-18.61	ImgH(mm)	3.00
				f4(mm)	2.40
f5(mm)	-6.76
				f6(mm)	2.27
f7(mm)	-2.64

Table 16

Table 17 below show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 17

Table 18 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A1

A12

14

16

S1

6.8267E-04

-4.4138E-05

-1.1921E-05

1.4366E-06

-3.5650E-08

0.0000E+00

S2

-7.7091E-03

7.5611E-03

1.2424E-03

-6.7543E-05

2.1724E-05

0.0000E+00

S3

-4.6831E-03

-1.0896E-02

-7.3305E-04

-9.3674E-03

0.0000E+00

S4

9.8850E-03

-6.0073E-03

-1.7746E-02

-7.9165E-03

0.0000E+00

S5

-6.5796E-03

-1.5266E-02

-1.9806E-02

3.7757E-03

0.0000E+00

S6

1.2053E-02

-1.2510E-02

-2.3681E-04

-4.2086E-03

0.0000E+00

S7

-4.6173E-03

2.9038E-03

0.0000E+00

S8

-2.1963E-02

2.0100E-02

1.2274E-02

-3.9201E-03

0.0000E+00

S9

-1.2372E-01

3.0546E-02

-1.2989E-02

-9.1424E-03

0.0000E+00

S10

-7.3274E-02

5.8009E-02

-2.3956E-02

3.5057E-03

0.0000E+00

S11

-1.1194E-02

9.3777E-03

-7.5203E-05

-2.2685E-03

0.0000E+00

S12

-8.0365E-03

-1.3992E-02

-6.2508E-04

5.2142E-04

0.0000E+00

S13

-2.5506E-02

-4.2679E-02

1.0714E-02

1.7708E-04

0.0000E+00

S14

-8.1195E-02

9.3658E-03

-1.9208E-04

-1.7325E-05

0.0000E+00

Table 18

Figure 27 shows chromatic curve on the axle of the optical imaging system of embodiment 6, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 28 shows the astigmatism curve of the optical imaging system of embodiment 6, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 29 shows the distortion curve of the optical imaging system of embodiment 6, and it represents different Distortion sizes values in the case of visual angle.Figure 30 shows the ratio chromatism, curve of the optical imaging system of embodiment 6, and it represents light Line via the different image heights after optical imaging system on imaging surface deviation.In summary and reference picture 27 to Figure 30 can be with Find out, portable type electronic product is applied to according to the optical imaging system of embodiment 6, there is large aperture, good image quality With wide-angle characteristic.

Embodiment 7

Optical imaging system referring to Figure 31 to Figure 35 descriptions according to the embodiment of the present application 7.

Figure 31 is the structural representation for the optical imaging system for showing embodiment 7.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 19 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-2.23	f(mm)	1.27
				f2(mm)	11.25	TTL(mm)	7.50
f3(mm)	-49.43	ImgH(mm)	2.00
				f4(mm	2.38
f5(mm)	-3.37
				f6(mm)	1.70
f7(mm)	-3.06

Table 19

Table 20 below show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 20

Table 21 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A1

12

4

A16

S1

-1.3270E-03

-8.2445E-06

-3.1345E-06

1.0872E-06

-3.5650E-08

0.0000E+00

S2

2.2914E-03

6.9544E-03

3.4973E-03

-9.0223E-04

2.1724E-05

0.0000E+00

S3

-9.5326E-04

-9.5260E-03

-1.0899E-03

-1.0381E-02

0.0000E+00

S4

1.4004E-02

-1.8193E-03

-2.0301E-02

-7.2507E-03

0.0000E+00

S5

-9.0888E-03

-1.2943E-02

-1.8870E-02

-5.5396E-04

0.0000E+00

S6

1.1879E-02

-1.1592E-02

-1.9823E-03

-6.0496E-03

0.0000E+00

S7

-4.4789E-03

3.1693E-03

0.0000E+00

S8

-2.5441E-02

2.3314E-02

1.0383E-02

-3.4136E-03

0.0000E+00

S9

-1.2830E-01

3.0899E-02

-1.7617E-02

-9.9690E-03

0.0000E+00

S10

-5.7828E-02

5.8244E-02

-2.3368E-02

1.2744E-03

0.0000E+00

S11

6.6495E-04

1.3721E-02

-1.3929E-03

-3.2406E-03

0.0000E+00

S12

-3.2138E-02

-2.0216E-02

1.6856E-03

1.6770E-03

0.0000E+00

S13

-5.1028E-02

-5.8151E-02

1.1969E-02

4.4432E-03

0.0000E+00

S14

-1.0022E-01

1.2537E-02

-8.1711E-04

4.3304E-04

0.0000E+00

Table 21

Figure 32 shows chromatic curve on the axle of the optical imaging system of embodiment 7, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 33 shows the astigmatism curve of the optical imaging system of embodiment 7, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 34 shows the distortion curve of the optical imaging system of embodiment 7, and it represents different Distortion sizes values in the case of visual angle.Figure 35 shows the ratio chromatism, curve of the optical imaging system of embodiment 7, and it represents light Line via the different image heights after optical imaging system on imaging surface deviation.In summary and reference picture 31 to Figure 35 can be with Find out, portable type electronic product is applied to according to the optical imaging system of embodiment 7, there is large aperture, good image quality With wide-angle characteristic.

Embodiment 8

Optical imaging system referring to Figure 36 to Figure 40 descriptions according to the embodiment of the present application 8.

Figure 36 is the structural representation for the optical imaging system for showing embodiment 8.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 22 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-2.16	f(mm)	1.17
				f2(mm)	12.23	TTL(mm)	7.50
f3(mm)	-112.89	ImgH(mm)	2.00
				f4(mm)	2.39
f5(mm)	-3.27
				f6(mm)	1.65
f7(mm)	-3.24

Table 22

Table 23 below show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 23

Table 24 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A

A12

14

A16

S1

-1.5550E-03

-4.7647E-07

-1.8692E-06

1.0143E-06

-3.5650E-08

0.0000E+00

S2

2.1369E-03

6.7554E-03

4.1736E-03

-1.5156E-03

2.1724E-05

0.0000E+00

S3

2.0313E-03

-9.5916E-03

-1.1455E-03

-1.0379E-02

0.0000E+00

S4

1.6921E-02

-4.3830E-04

-2.2111E-02

-6.3648E-03

0.0000E+00

S5

-1.0556E-02

-1.1580E-02

-1.8561E-02

-2.8230E-03

0.0000E+00

S6

1.1054E-02

-1.0891E-02

-2.2220E-03

-6.1912E-03

0.0000E+00

S7

-5.5083E-03

3.2990E-03

0.0000E+00

S8

-2.7053E-02

2.2625E-02

9.2111E-03

-2.9780E-03

0.0000E+00

S9

-1.2615E-01

3.3542E-02

-1.6888E-02

-1.1563E-02

0.0000E+00

S10

-5.3907E-02

5.8428E-02

-2.4414E-02

-2.3524E-04

0.0000E+00

S11

2.1277E-03

1.3774E-02

-1.5926E-03

-3.3607E-03

0.0000E+00

S12

-3.7354E-02

-2.1428E-02

2.3850E-03

2.1489E-03

0.0000E+00

S13

-6.0284E-02

-6.1189E-02

1.0370E-02

3.9951E-03

0.0000E+00

S14

-9.8888E-02

1.1824E-02

-6.8139E-04

5.0016E-04

0.0000E+00

Table 24

Figure 37 shows chromatic curve on the axle of the optical imaging system of embodiment 8, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 38 shows the astigmatism curve of the optical imaging system of embodiment 8, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 39 shows the distortion curve of the optical imaging system of embodiment 8, and it represents different Distortion sizes values in the case of visual angle.Figure 40 shows the ratio chromatism, curve of the optical imaging system of embodiment 8, and it represents light Line via the different image heights after optical imaging system on imaging surface deviation.In summary and reference picture 36 to Figure 40 can be with Find out, portable type electronic product is applied to according to the optical imaging system of embodiment 8, there is large aperture, good image quality With wide-angle characteristic.

Embodiment 9

Optical imaging system referring to Figure 41 to Figure 45 descriptions according to the embodiment of the present application 9.

Figure 41 is the structural representation for the optical imaging system for showing embodiment 9.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 25 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-1.91	f(mm)	0.79
				f2(mm)	7.17	TTL(mm)	7.00
f3(mm)	-16.46	ImgH(mm)	1.50
				f4(mm)	2.03
f5(mm)	-3.05
				f6(mm)	1.44
f7(mm)	-3.44

Table 25

Table 26 below show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 26

Table 27 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A

A8

A1

A12

14

A16

S1

-3.1936E-03

1.3945E-04

1.3313E-05

-4.5776E-07

-3.5650E-08

0.0000E+00

S2

1.3342E-02

-5.7503E-03

9.4129E-03

-3.2122E-03

2.1724E-05

0.0000E+00

S3

2.2093E-03

3.3453E-03

-1.5991E-02

8.3499E-04

0.0000E+00

S4

1.8631E-02

-7.4256E-03

-1.6108E-02

-7.6109E-03

0.0000E+00

S5

1.5547E-04

-1.5687E-02

-2.1708E-03

-4.5260E-02

0.0000E+00

S6

-5.6632E-06

-3.0488E-04

1.9035E-02

-2.4823E-02

0.0000E+00

S7

2.9291E-03

-6.3205E-03

0.0000E+00

S8

-3.6030E-02

3.4386E-02

1.6598E-02

-7.2215E-03

0.0000E+00

S9

-1.5690E-01

-4.5383E-04

-1.8308E-02

2.6358E-02

0.0000E+00

S10

-3.9214E-02

6.1404E-02

-1.5581E-02

-1.0632E-02

0.0000E+00

S11

1.7804E-02

3.8428E-02

-4.8120E-03

-4.5502E-02

0.0000E+00

S12

-7.1579E-02

-3.3159E-02

3.4881E-02

2.9320E-03

0.0000E+00

S13

-1.8171E-01

-5.9050E-02

3.3730E-02

8.5103E-02

0.0000E+00

S14

-1.8035E-01

2.2280E-02

3.1378E-02

3.7667E-03

0.0000E+00

Table 27

Figure 42 shows chromatic curve on the axle of the optical imaging system of embodiment 9, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 43 shows the astigmatism curve of the optical imaging system of embodiment 9, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 44 shows the distortion curve of the optical imaging system of embodiment 9, and it represents different Distortion sizes values in the case of visual angle.Figure 45 shows the ratio chromatism, curve of the optical imaging system of embodiment 9, and it represents light Line via the different image heights after optical imaging system on imaging surface deviation.In summary and reference picture 41 to Figure 45 can be with Find out, portable type electronic product is applied to according to the optical imaging system of embodiment 9, there is large aperture, good image quality With wide-angle characteristic.

Embodiment 10

Optical imaging system referring to Figure 46 to Figure 50 descriptions according to the embodiment of the present application 10.

Figure 46 is the structural representation for the optical imaging system for showing embodiment 10.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 28 below shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-1.91	f(mm)	0.97
				f2(mm)	13.58	TTL(mm)	7.50
f3(mm)	-19927.26	ImgH(mm)	1.43
				f4(mm)	2.26
f5(mm)	-2.93
				f6(mm)	1.45
f7(mm)	-2.54

Table 28

Table 29 below show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 29

Table 30 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Table 30

Figure 47 shows chromatic curve on the axle of the optical imaging system of embodiment 10, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 48 shows the astigmatism curve of the optical imaging system of embodiment 10, and it is represented Meridianal image surface is bent and sagittal image surface bending.Figure 49 shows the distortion curve of the optical imaging system of embodiment 10, and it is represented Distortion sizes values in the case of different visual angles.Figure 50 shows the ratio chromatism, curve of the optical imaging system of embodiment 10, its Represent deviation of the light via the different image heights after optical imaging system on imaging surface.In summary and reference picture 46 is to figure 50 as can be seen that according to the optical imaging system of embodiment 10 be applied to portable type electronic product, have large aperture, well into As quality and wide-angle characteristic.

Embodiment 11

Optical imaging system referring to Figure 51 to Figure 55 descriptions according to the embodiment of the present application 11.

Figure 51 is the structural representation for the optical imaging system for showing embodiment 11.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Second lens E2 can have positive light coke, and its thing side S3 can be convex surface, and image side surface S4 can be convex surface.

3rd lens E3 can have negative power, and its thing side S5 can be concave surface, and image side surface S6 can be concave surface.

5th lens E5 can have negative power, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.

7th lens E7 can have negative power, and its thing side S13 can be concave surface, and image side surface S14 can be convex surface.

Table 3 below 1 shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-3.20	f(mm)	1.87
				f2(mm)	5.49	TTL(mm)	7.50
f3(mm)	-12.81	ImgH(mm)	2.50
				f4mm)	2.44
f5(mm)	-7.29
				f6(mm)	4.44
f7(mm)	-2.96

Table 31

Table 3 below 2 show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 32

Table 3 below 3 shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A

A1

A12

4

A16

S1

-5.4199E-03

1.1027E-04

1.4261E-05

-6.8889E-07

-3.5650E-08

0.0000E+00

S2

9.1565E-03

-2.1396E-03

3.2976E-03

-9.2671E-04

2.1724E-05

0.0000E+00

S3

-5.0586E-03

-5.7481E-03

-6.0383E-03

1.0614E-03

0.0000E+00

S4

-1.2572E-02

-1.7189E-02

-2.2371E-03

1.9264E-03

0.0000E+00

S5

-2.0381E-02

-2.1096E-02

-1.7564E-02

4.1104E-03

0.0000E+00

S6

7.9778E-03

-1.1287E-02

-1.6064E-02

-8.6357E-03

0.0000E+00

S7

2.1498E-03

3.2918E-03

-4.8934E-03

3.7284E-03

0.0000E+00

S8

-2.1155E-02

1.1055E-02

1.8651E-02

-1.8335E-03

0.0000E+00

S9

-1.5923E-02

7.3649E-03

1.0735E-02

1.0233E-03

0.0000E+00

S10

2.4082E-02

1.6938E-02

1.4995E-03

2.0482E-03

0.0000E+00

S11

-1.2715E-02

-5.0993E-03

7.2678E-04

7.5279E-04

0.0000E+00

S12

-2.2718E-02

2.1163E-04

5.3046E-04

-4.7744E-04

0.0000E+00

S13

-3.4690E-02

3.1185E-03

-1.8930E-03

2.2183E-03

0.0000E+00

S14

-3.5950E-02

6.1441E-03

-6.3764E-05

-5.0009E-05

0.0000E+00

Table 33

Figure 52 shows chromatic curve on the axle of the optical imaging system of embodiment 11, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 53 shows the astigmatism curve of the optical imaging system of embodiment 11, and it is represented Meridianal image surface is bent and sagittal image surface bending.Figure 54 shows the distortion curve of the optical imaging system of embodiment 11, and it is represented Distortion sizes values in the case of different visual angles.Figure 55 shows the ratio chromatism, curve of the optical imaging system of embodiment 11, its Represent deviation of the light via the different image heights after optical imaging system on imaging surface.In summary and reference picture 51 is to figure 55 as can be seen that according to the optical imaging system of embodiment 11 be applied to portable type electronic product, have large aperture, well into As quality and wide-angle characteristic.

Embodiment 12

Optical imaging system referring to Figure 56 to Figure 60 descriptions according to the embodiment of the present application 12.

Figure 56 is the structural representation for the optical imaging system for showing embodiment 12.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 3 below 4 shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-2.99	f(mm)	1.72
				f2(mm)	5.41	TTL(mm)	7.50
f3(mm)	-14.27	ImgH(mm)	2.50
				f4(mm)	2.41
f5(mm)	-6.17
				f6(mm)	3.85
f7(mm)	-2.90

Table 34

Table 3 below 5 show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 35

Table 3 below 6 shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A1

A12

14

A16

S1

-5.8896E-03

1.3230E-04

1.1882E-05

-1.2394E-06

-3.5650E-08

0.0000E+00

S2

1.2699E-02

2.6138E-04

2.6185E-03

-5.2076E-04

2.1724E-05

0.0000E+00

S3

-5.1891E-03

-9.0681E-03

-1.6555E-03

-3.0310E-03

0.0000E+00

S4

-1.8042E-02

-2.3189E-02

-1.7803E-03

1.7471E-03

0.0000E+00

S5

-1.7769E-02

-3.6670E-02

-2.1403E-02

8.6515E-03

0.0000E+00

S6

1.3026E-02

-2.0266E-02

-2.6184E-02

5.2012E-04

0.0000E+00

S7

9.4389E-04

4.3339E-03

-6.3072E-03

4.3899E-03

0.0000E+00

S8

-3.3076E-02

1.9887E-02

2.3747E-02

-6.5654E-03

0.0000E+00

S9

-2.3377E-02

2.0744E-02

1.9506E-02

-4.0279E-03

0.0000E+00

S10

3.1465E-02

2.2399E-02

5.7373E-03

4.3603E-04

0.0000E+00

S11

-2.1073E-02

-4.4208E-03

1.4531E-03

-1.9112E-05

0.0000E+00

S12

-2.7336E-02

4.8699E-03

-1.6695E-04

-1.4181E-03

0.0000E+00

S13

-3.3576E-02

4.4795E-04

1.0971E-03

-5.4839E-05

0.0000E+00

S14

-3.2906E-02

5.6333E-03

-1.1128E-04

-3.8457E-06

0.0000E+00

Table 36

Figure 57 shows chromatic curve on the axle of the optical imaging system of embodiment 12, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 58 shows the astigmatism curve of the optical imaging system of embodiment 12, and it is represented Meridianal image surface is bent and sagittal image surface bending.Figure 59 shows the distortion curve of the optical imaging system of embodiment 12, and it is represented Distortion sizes values in the case of different visual angles.Figure 60 shows the ratio chromatism, curve of the optical imaging system of embodiment 12, its Represent deviation of the light via the different image heights after optical imaging system on imaging surface.In summary and reference picture 56 is to figure 60 as can be seen that according to the optical imaging system of embodiment 12 be applied to portable type electronic product, have large aperture, well into As quality and wide-angle characteristic.

Embodiment 13

Optical imaging system referring to Figure 61 to Figure 65 descriptions according to the embodiment of the present application 13.

Figure 61 is the structural representation for the optical imaging system for showing embodiment 13.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 3 below 7 shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

Table 37

Table 3 below 8 show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 38

Table 3 below 9 shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Table 39

Figure 62 shows chromatic curve on the axle of the optical imaging system of embodiment 13, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 63 shows the astigmatism curve of the optical imaging system of embodiment 13, and it is represented Meridianal image surface is bent and sagittal image surface bending.Figure 64 shows the distortion curve of the optical imaging system of embodiment 13, and it is represented Distortion sizes values in the case of different visual angles.Figure 65 shows the ratio chromatism, curve of the optical imaging system of embodiment 13, its Represent deviation of the light via the different image heights after optical imaging system on imaging surface.In summary and reference picture 61 is to figure 65 as can be seen that according to the optical imaging system of embodiment 13 be applied to portable type electronic product, have large aperture, well into As quality and wide-angle characteristic.

Embodiment 14

Optical imaging system referring to Figure 66 to Figure 70 descriptions according to the embodiment of the present application 14.

Figure 66 is the structural representation for the optical imaging system for showing embodiment 14.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

5th lens E5 can have negative power, and its thing side S9 can be concave surface, and image side surface S10 can be concave surface.

Table 4 below 0 shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-2.53	f(mm)	1.30
				f2(mm)	5.47	TTL(mm)	7.50
f3(mm)	-21.48	ImgH(mm)	1.84
				f4(mm)	2.34
f5(mm)	-4.31
				f6(mm)	2.46
f7(mm)	-2.48

Table 40

Table 4 below 1 show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 41

Table 4 below 2 shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A1

A12

14

A16

S1

-7.4484E-03

1.8146E-04

2.1218E-05

-1.6507E-06

-3.5650E-08

0.0000E+00

S2

1.5942E-02

-2.0335E-03

4.8605E-03

-1.8923E-03

2.1724E-05

0.0000E+00

S3

-8.4429E-03

-1.4517E-02

1.8873E-03

-6.4166E-03

2.2960E-28

0.0000E+00

S4

-2.4558E-02

-3.3150E-02

-1.4564E-02

2.1676E-05

0.0000E+00

S5

-1.3827E-02

-4.7338E-02

-3.4528E-02

2.8322E-04

0.0000E+00

S6

1.1061E-02

-2.2320E-02

-2.8305E-02

-8.6762E-04

0.0000E+00

S7

-6.1893E-03

4.4227E-03

-2.9603E-03

2.7664E-03

0.0000E+00

S8

-5.9389E-02

3.5069E-02

2.2365E-02

-7.6794E-03

0.0000E+00

S9

-5.0357E-02

2.3768E-02

3.0652E-02

-1.3995E-02

0.0000E+00

S10

5.1637E-02

2.0798E-02

1.1826E-02

-3.1278E-03

0.0000E+00

S11

-5.2543E-02

-9.6078E-03

2.0843E-03

-5.4075E-03

0.0000E+00

S12

-4.2190E-02

6.1484E-03

3.1427E-03

-1.8954E-03

0.0000E+00

S13

-2.0163E-02

-2.1441E-03

3.3680E-03

8.8409E-03

0.0000E+00

S14

-9.1787E-03

1.4391E-03

2.5869E-03

-1.7348E-04

0.0000E+00

Table 42

Figure 67 shows chromatic curve on the axle of the optical imaging system of embodiment 14, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 68 shows the astigmatism curve of the optical imaging system of embodiment 14, and it is represented Meridianal image surface is bent and sagittal image surface bending.Figure 69 shows the distortion curve of the optical imaging system of embodiment 14, and it is represented Distortion sizes values in the case of different visual angles.Figure 70 shows the ratio chromatism, curve of the optical imaging system of embodiment 14, its Represent deviation of the light via the different image heights after optical imaging system on imaging surface.In summary and reference picture 66 is to figure 70 as can be seen that according to the optical imaging system of embodiment 14 be applied to portable type electronic product, have large aperture, well into As quality and wide-angle characteristic.

Embodiment 15

Optical imaging system referring to Figure 71 to Figure 75 descriptions according to the embodiment of the present application 15.

Figure 71 is the structural representation for the optical imaging system for showing embodiment 15.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

7th lens E7 can have negative power, and its thing side S13 can be convex surface, and image side surface S14 can be concave surface.

Table 4 below 3 shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

f1(mm)	-1.93	f(mm)	0.94
				f2(mm)	5.83	TTL(mm)	7.50
f3(mm)	-20.12	ImgH(mm)	1.27
				f4(mm)	1.78
f5(mm)	-1.96
				f6(mm)	2.29
f7(mm)	-15.52

Table 43

Table 4 below 4 show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 44

Table 4 below 5 shows the high order term system of each aspherical S1-S14 available for each non-spherical lens 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

A1

A12

14

A16

S1

-6.5692E-03

6.2664E-05

1.3477E-05

-4.5606E-07

-3.5650E-08

0.0000E+00

S2

5.0796E-03

-1.5078E-02

1.1813E-02

-4.0884E-03

2.1724E-05

0.0000E+00

S3

-2.7414E-02

-3.5146E-02

-2.2329E-02

1.0617E-02

4.4228E-24

0.0000E+00

S4

-4.3537E-03

-4.3320E-02

-4.8095E-02

4.3622E-01

0.0000E+00

S5

-1.8064E-02

7.5565E-03

7.8484E-02

2.9868E-01

0.0000E+00

S6

1.2704E-02

-5.5710E-03

1.8612E-01

7.5489E-02

0.0000E+00

S7

-2.6471E-02

-5.3383E-02

3.1618E-02

2.8483E-02

0.0000E+00

S8

-1.0240E-02

-3.5852E-02

3.1558E-03

7.0322E-02

0.0000E+00

S9

-2.3697E-03

1.0531E-01

1.1544E-01

3.1586E-01

0.0000E+00

S10

3.3597E-02

2.2291E-02

6.6648E-03

-1.4269E-02

0.0000E+00

S11

-3.0742E-02

-1.8466E-02

-1.6402E-02

-2.0673E-02

0.0000E+00

S12

-8.1153E-02

4.1905E-02

2.5951E-02

1.3855E-02

0.0000E+00

S13

-2.0225E-01

-6.7602E-01

5.2265E-01

-9.4443E-01

1.8758E+00

-9.8445E-01

0.0000E+00

S14

1.3407E-01

-8.2730E-01

8.1065E-01

-3.5203E-01

7.2084E-02

-5.6781E-03

0.0000E+00

Table 45

Figure 72 shows chromatic curve on the axle of the optical imaging system of embodiment 15, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 73 shows the astigmatism curve of the optical imaging system of embodiment 15, and it is represented Meridianal image surface is bent and sagittal image surface bending.Figure 74 shows the distortion curve of the optical imaging system of embodiment 15, and it is represented Distortion sizes values in the case of different visual angles.Figure 75 shows the ratio chromatism, curve of the optical imaging system of embodiment 15, its Represent deviation of the light via the different image heights after optical imaging system on imaging surface.In summary and reference picture 71 is to figure 75 as can be seen that according to the optical imaging system of embodiment 15 be applied to portable type electronic product, have large aperture, well into As quality and wide-angle characteristic.

Embodiment 16

Optical imaging system referring to Figure 76 to Figure 80 descriptions according to the embodiment of the present application 16.

Figure 76 is the structural representation for the optical imaging system for showing embodiment 16.Optical imaging system is by thing side to picture Side successively include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 with And the 7th lens E7.

Table 4 below 6 shows that the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imaging system always have Imitate focal length f, the total length TTL of optical imaging system and the half of electronics light sensitive component effective pixel area diagonal line length ImgH。

Table 46

Table 4 below 7 show the surface type of each lens in the optical imaging system in the embodiment, radius of curvature, thickness, Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 47

Table 4 below 8 shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Table 48

Figure 77 shows chromatic curve on the axle of the optical imaging system of embodiment 16, and it represents the light warp of different wave length Deviateed by the converging focal point after optical system.Figure 78 shows the astigmatism curve of the optical imaging system of embodiment 16, and it is represented Meridianal image surface is bent and sagittal image surface bending.Figure 79 shows the distortion curve of the optical imaging system of embodiment 16, and it is represented Distortion sizes values in the case of different visual angles.Figure 80 shows the ratio chromatism, curve of the optical imaging system of embodiment 16, its Represent deviation of the light via the different image heights after optical imaging system on imaging surface.In summary and reference picture 76 is to figure 80 as can be seen that according to the optical imaging system of embodiment 16 be applied to portable type electronic product, have large aperture, well into As quality and wide-angle characteristic.

Put it briefly, in above-described embodiment 1 to 16, each conditional meets the condition of table 28 below.

Table 49

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. a kind of optical imaging system, include successively from thing side to image side：

The first lens with negative power；

The second lens with focal power；

The 3rd lens with negative focal power；

The 4th lens with focal power；

The 5th lens with focal power；

The 6th lens with focal power；

The 7th lens with focal power；

Characterized in that,

There is the air gap on optical axis between any two adjacent lens in first lens to the 7th lens；And

Meet between the effective focal length f of optical imaging system and the Entry pupil diameters EPD of optical imaging lens, f/EPD≤2.10, and And meet f1/f between the effective focal length f of optical imaging system and the effective focal length f1 of the first lens>-3.

2. optical imaging system according to claim 1, it is characterised in that on the first lens thing side to the axle of imaging surface Meet 2≤TTL/ImgH≤6 on distance TTL and imaging surface between the half ImgH of effective pixel area diagonal line length.

3. optical imaging system according to claim 1, it is characterised in that the effective focal length f of optical imaging system and Meet -1.5≤f/R12≤0 between the radius of curvature R 12 of six lens image side surfaces.

4. optical imaging system according to any one of claim 1 to 3, it is characterised in that optical imaging system has Imitate and meet 0≤f/R3≤1.5 between focal length f and the radius of curvature R 3 of the second lens thing side.

5. optical imaging system according to any one of claim 1 to 3, it is characterised in that effective Jiao of the first lens Meet 0 between effective focal length f7 away from f1 and the 7th lens<f1/f7≤1.5.

6. optical imaging system according to any one of claim 1 to 3, it is characterised in that the 3rd lens thing side Between the radius of curvature R 6 of the lens image side surface of radius of curvature R 5 and the 3rd meet 0.5≤| R5+R6 |/| R5-R6 |.

7. optical imaging system according to any one of claim 1 to 3, it is characterised in that effective Jiao of the 4th lens Meet 0≤f4/f6≤2 between effective focal length f6 away from f4 and the 6th lens.

8. optical imaging system according to any one of claim 1 to 3, it is characterised in that effective Jiao of the 5th lens Away from f5, the lens thing side of radius of curvature R 2 and second of the first lens image side surface radius of curvature R 3 between meet 2≤| f5/ R2|+|f5/R3|≤15。

9. optical imaging system according to any one of claim 1 to 3, it is characterised in that the first lens thing side is extremely Meet 0 between the airspace T12 of distance TTL and the first lens and the second lens on optical axis on the axle of imaging surface<T12/TTL <0.5。

10. optical imaging system according to claim 1, it is characterised in that refractive index N3, the 5th lens of the 3rd lens Refractive index N5 and the 7th lens refractive index N7 between meet 1.5≤| N3+N5+N7 |/3.

11. optical imaging system according to claim 1, it is characterised in that the effective focal length f2 of the second lens, the 3rd saturating The effective focal length f3 of mirror, the effective focal length f4 of the 4th lens, effective focal length f5, the effective focal length f6 of the 6th lens of the 5th lens And the 7th lens effective focal length f7 between meet | f5+f6+f7 |/| f2+f3+f4 |≤2.

12. a kind of optical imaging system, include successively from thing side to image side：

The first lens with negative power；

The second lens with focal power, its thing side are convex surface；

The 3rd lens with focal power, its thing side are concave surface；

The 4th lens with focal power；

The 5th lens with focal power；

The 6th lens with focal power；

The 7th lens with negative power；

Wherein, meet between the effective focal length f of optical imaging system and the Entry pupil diameters EPD of optical imaging lens f/EPD≤ 2.10, and the half HFOV at the maximum field of view angle of optical imaging system meets HFOV >=60 °.