CN108663780A - Optical imaging lens - Google Patents

Abstract

This application discloses a kind of optical imaging lens, which includes sequentially by object side to image side along optical axis：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power and the 7th lens.It is convex surface that first lens, which have positive light coke, object side, and image side surface is concave surface；It is convex surface that second lens, which have positive light coke, image side surface,；The image side surface of 6th lens is concave surface；The object side of 7th lens is convex surface, and image side surface is concave surface.Center thickness CT4 of 4th lens on optical axis meets 1.5 ＜ CT4/T34 ＜ 2.5 with the spacing distance T34 of the third lens and the 4th lens on optical axis.

Description

Optical imaging lens

Technical field

This application involves a kind of optical imaging lens, more particularly, to it is a kind of include seven lens optical imaging lens Head.

Background technology

In recent years, with the fast development for the portable electronic product for having camera function, market is portable to being suitable for The requirement of the miniaturized optical system of electronic product increasingly improves.Currently, the photosensitive element of general imaging lens is mainly photosensitive Two kinds of coupling element (CCD) or Complimentary Metal-Oxide semiconductor element (CMOS).With the photosensitive elements performance such as CCD and CMOS Raising and size reduction, the high image quality of optical imaging lens to match and miniaturization are proposed higher It is required that.

Invention content

This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art The optical imaging lens of above-mentioned at least one disadvantage.

On the one hand, this application provides such a optical imaging lens, the camera lens along optical axis by object side to image side according to Sequence includes：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power and Seven lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can have Positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex surface, Image side surface can be concave surface.Wherein, center thickness CT4 of the 4th lens on optical axis and the third lens and the 4th lens are on optical axis Spacing distance T34 can meet 1.5 ＜ CT4/T34 ＜ 2.5.

In one embodiment, the effective focal length f5 of the 5th lens and the effective focal length f7 of the 7th lens can meet 0.5 ＜ | f5/f7 | ＜ 2.

In one embodiment, the radius of curvature R 12 of the image side surface of the 6th lens and optical imaging lens it is total effectively Focal length f can meet 0.5 ＜ R12/f ＜ 1.3.

In one embodiment, center thickness CT5s of the edge thickness ET5 and the 5th lens of the 5th lens on optical axis 0.5 ＜ ET5/CT5 ＜ 1 can be met.

In one embodiment, the radius of curvature R 13 of the object side of the 7th lens, the 7th lens image side surface curvature The half ImgH of effective pixel area diagonal line length can meet 0.5 ＜ (R13+ on the imaging surface of radius R14 and optical imaging lens R14)/ImgH ＜ 1.5.

In one embodiment, during center thickness CT6 and the 7th lens of the 6th lens on optical axis are on optical axis Heart thickness CT7 can meet 1 ＜ CT7/CT6 ＜ 3.

In one embodiment, the radius of curvature R 1 of the object side of the effective focal length f1 of the first lens, the first lens with The radius of curvature R 2 of the image side surface of first lens can meet 1mm ＜ f1 × R2/ (R1 × 5) ＜ 2mm.

In one embodiment, total effective focal length f of the effective focal length f1 of the first lens and optical imaging lens can expire 1≤f1/f of foot ＜ 1.5.

In one embodiment, the combined focal length f12 and the 5th lens of the first lens and the second lens, the 6th lens and The combined focal length f567 of 7th lens can meet 0.1 ＜ | f12/f567 | ＜ 0.5.

In one embodiment, the object side of the first lens to optical imaging lens distance of the imaging surface on optical axis The half ImgH of effective pixel area diagonal line length can meet TTL/ImgH ＜ 1.4 on the imaging surface of TTL and optical imaging lens.

In one embodiment, the maximum angle of half field-of view HFOV of optical imaging lens can meet HFOV >=45 °.

On the other hand, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side Include sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power and 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can have It can be convex surface to have positive light coke, image side surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, total effective focal length f of the effective focal length f1 of the first lens and optical imaging lens can meet 1 ≤ f1/f ＜ 1.5.

Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side includes sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power With the 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can With positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, the object side of the first lens to optical imaging lens distance of the imaging surface on optical axis The half ImgH of effective pixel area diagonal line length can meet TTL/ImgH ＜ 1.4 on the imaging surface of TTL and optical imaging lens.

Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side includes sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power With the 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can With positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, the effective focal length f5 of the 5th lens and the effective focal length f7 of the 7th lens can meet 0.5 ＜ | F5/f7 | ＜ 2.

Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side includes sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power With the 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can With positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, the combined focal length f12 and the 5th lens of the first lens and the second lens, the 6th lens and The combined focal length f567 of seven lens can meet 0.1 ＜ | f12/f567 | ＜ 0.5.

Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side includes sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power With the 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can With positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, center thickness CT5s of the edge thickness ET5 and the 5th lens of the 5th lens on optical axis can Meet 0.5 ＜ ET5/CT5 ＜ 1.

Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side includes sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power With the 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can With positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, the radius of curvature R 13 of the object side of the 7th lens, the 7th lens image side surface curvature half The half ImgH of effective pixel area diagonal line length can meet 0.5 ＜ (R13+ on the imaging surface of diameter R14 and optical imaging lens R14)/ImgH ＜ 1.5.

Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side includes sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power With the 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can With positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, the radius of curvature R 1 of the object side of the effective focal length f1 of the first lens, the first lens and The radius of curvature R 2 of the image side surface of one lens can meet 1mm ＜ f1 × R2/ (R1 × 5) ＜ 2mm.

Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side includes sequentially：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens with focal power With the 7th lens.First lens, which can have positive light coke, object side, to be convex surface, and image side surface can be concave surface；Second lens can With positive light coke, image side surface can be convex surface；The image side surface of 6th lens can be concave surface；The object side of 7th lens can be convex Face, image side surface can be concave surface.Wherein, the maximum angle of half field-of view HFOV of optical imaging lens can meet HFOV >=45 °.

The application uses seven lens, passes through each power of lens of reasonable distribution, the center thickness of face type, each lens And spacing etc. on the axis between each lens so that above-mentioned optical imaging lens have ultra-thin, large aperture, superior image quality etc. At least one advantageous effect.

Description of the drawings

In conjunction with attached 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 schematic diagram of the optical imaging lens according to the embodiment of the present application 1；

Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 1, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 3 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 2；

Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 2, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 5 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 3；

Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 3, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 7 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 4；

Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 4, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 9 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 5；

Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 5, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 11 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 6；

Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 6, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 13 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 7；

Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 7, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 15 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 8；

Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 8, astigmatism curve, abnormal Varied curve and ratio chromatism, curve.

Specific implementation mode

Refer to the attached drawing is made more detailed description by the application in order to better understand to the various aspects of the application.It answers Understand, the description of the only illustrative embodiments to the application is described in detail in these, rather than limits the application in any way Range.In the specification, the identical element of identical reference numbers.It includes associated institute to state "and/or" Any and all combinations of one or more of list of items.

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

In the accompanying drawings, for convenience of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing Shown in spherical surface or aspherical shape.Attached 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 convex surface position When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as this thoroughly near the surface of subject The object side of mirror, each lens are known as the image side surface of the lens near the surface of imaging surface.

It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory It indicates there is stated feature, element and/or component when being used in bright book, but does not preclude the presence or addition of one or more Other feature, component, assembly unit and/or combination thereof.In addition, ought the statement of such as at least one of " ... " appear in institute When after the list of row feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative " It is intended to refer to example or illustration.

Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) it should be interpreted as having the meaning consistent with their meanings in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

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

It may include such as seven lens with focal power according to the optical imaging lens of the application illustrative embodiments, That is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens Along optical axis by object side to image side sequential, and can have airspace between each adjacent lens.

In the exemplary embodiment, it can be convex surface that the first lens, which can have positive light coke, object side, and image side surface can be Concave surface；Second lens can have positive light coke, and image side surface can be convex surface；The third lens have positive light coke or negative power； 4th lens have positive light coke or negative power；5th lens have positive light coke or negative power；6th lens have just Focal power or negative power, image side surface can be concave surface；7th lens have positive light coke or negative power, and object side can be Convex surface, image side surface can be concave surface.

In the exemplary embodiment, the optical imaging lens of the application can meet 1.5 ＜ CT4/T34 ＜ 2.5 of conditional, Wherein, CT4 is center thickness of the 4th lens on optical axis, and T34 is the interval distance of the third lens and the 4th lens on optical axis From.More specifically, CT4 and T34 can further meet 1.56≤CT4/T34≤2.24.Reasonable disposition the third lens and the 4th are thoroughly The center thickness of airspace and fourth lens of the mirror on optical axis, can make camera lens while keeping small size performance Ability with the distortion that preferably disappears.

In the exemplary embodiment, the optical imaging lens of the application can meet 1≤f1/f of conditional ＜ 1.5, wherein F1 is the effective focal length of the first lens, and f is total effective focal length of optical imaging lens.More specifically, f1 and f can further meet 1.04≤f1/f≤1.33.By the negative power control of the first lens in zone of reasonableness, be conducive to the entirety for increasing imaging lens Focal length, while can also play the role of balancing the curvature of field.

In the exemplary embodiment, the optical imaging lens of the application can meet conditional TTL/ImgH ＜ 1.4, In, TTL is the object side of the first lens to distance of the imaging surface on optical axis of optical imaging lens, and ImgH is optical imaging lens The half of effective pixel area diagonal line length on the imaging surface of head.More specifically, TTL and ImgH can further meet 1.18≤ TTL/ImgH≤1.22.The ratio of TTL and ImgH is smaller, indicates the optics overall length of camera lens in the case of same imaging surface size Degree TTL is shorter, and then is conducive to realize the ultra-slim features of optical imaging lens while meeting image quality.By rationally controlling It is formed as ratio between the optics total length of camera lens and image height, can effectively compress the overall size of imaging lens, realizes imaging lens The ultra-slim features of head and miniaturization, so that above-mentioned imaging lens can preferably be suitable for size-constrained system.

In the exemplary embodiment, the optical imaging lens of the application can meet 0.5 ＜ of conditional | f5/f7 | ＜ 2, In, f5 is the effective focal length of the 5th lens, and f7 is the effective focal length of the 7th lens.More specifically, f5 and f7 can further meet 0.64≤|f5/f7|≤1.74.The 5th lens of reasonable distribution and the 7th power of lens, by the focal power of imaging lens back segment Control can reduce the deflection angle of light, to reduce the sensibility of imaging lens in smaller range.

In the exemplary embodiment, the optical imaging lens of the application can meet 0.5 ＜ R12/f ＜ 1.3 of conditional, In, R12 is the radius of curvature of the image side surface of the 6th lens, and f is total effective focal length of optical imaging lens.More specifically, R12 and F can further meet 0.64≤R12/f≤1.08.The rationally radius of curvature of the 6th lens object side of setting, is conducive to light Deviation angle is regulated and controled, and enables the system to relatively easily match conventional chip.

In the exemplary embodiment, the optical imaging lens of the application can meet 0.1 ＜ of conditional | f12/f567 | ＜ 0.5, wherein f12 is the combined focal length of the first lens and the second lens, and f567 is the 5th lens, the 6th lens and the 7th lens Combined focal length.More specifically, f12 and f567 can further meet 0.11≤| f12/f567 |≤0.43.Rationally control first The combined focal length of the combined focal length and the 5th lens, the 6th lens and the 7th lens of lens and the second lens, can effective school The distortion of near axis area at positive image planes, and improve the image quality of camera lens.

In the exemplary embodiment, the optical imaging lens of the application can meet 0.5 ＜ ET5/CT5 ＜ 1 of conditional, In, ET5 is the edge thickness of the 5th lens, and CT5 is center thickness of the 5th lens on optical axis.More specifically, ET5 and CT5 0.60≤ET5/CT5≤0.82 can further be met.The rationally edge thickness and center thickness of the 5th lens of control, can be effective Control light the 5th lens image side surface incident angle, and then improve optical imaging lens image quality.

In the exemplary embodiment, the optical imaging lens of the application can meet 0.5 ＜ of conditional (R13+R14)/ ImgH ＜ 1.5, wherein R13 is the radius of curvature of the object side of the 7th lens, and R14 is the curvature half of the image side surface of the 7th lens Diameter, ImgH are the half of effective pixel area diagonal line length on the imaging surface of optical imaging lens.More specifically, R13, R14 and ImgH can further meet 0.71≤(R13+R14)/ImgH≤1.37.By the object side and image side that rationally control the 7th lens The size of the radius of curvature in face and direction to realize the regulation and control to the curvature of field of optical imaging lens, and then help to correct optics The overall aberration of imaging lens.

In the exemplary embodiment, the optical imaging lens of the application can meet 1 ＜ CT7/CT6 ＜ 3 of conditional, In, CT6 is center thickness of the 6th lens on optical axis, and CT7 is center thickness of the 7th lens on optical axis.More specifically, CT6 and CT7 can further meet 1.10≤CT7/CT6≤2.92.The rationally center thickness and the 7th lens of the 6th lens of control Center thickness, contribute to being uniformly distributed for lens dimension, ensure assemble stable, and help to reduce entire optical imaging lens The aberration of head, shortens the overall length of optical imaging lens.

In the exemplary embodiment, the optical imaging lens of the application can meet conditional 1mm ＜ f1 × R2/ (R1 × 5) ＜ 2mm, wherein f1 is the effective focal length of the first lens, and R1 is the radius of curvature of the object side of the first lens, and R2 is first saturating The radius of curvature of the image side surface of mirror.More specifically, f1, R1 and R2 can further meet 1.49mm≤f1 × R2/ (R1 × 5)≤ 1.91mm.The effective focal length of the first lens of reasonable disposition and the radius of curvature of the first lens object side and image side surface, can be effective Ground controls deviation of the light at the first lens, reduces the sensibility of camera lens；Meanwhile being conducive to the spherical aberration of reduction system, astigmatism Deng, and the image quality of optical imaging lens can be effectively improved.

In the exemplary embodiment, the optical imaging lens of the application can meet conditional HFOV >=45 °, wherein HFOV is the maximum angle of half field-of view of optical imaging lens.More specifically, HFOV can further meet 45.1 °≤HFOV≤47.2 °. Keep camera lens miniaturization under the premise of, by control field angle, can be effectively prevented from peripheral field aberration it is excessive and shine The problems such as relatively low is spent, ensures that camera lens has excellent image quality in wider field angle.

Multi-disc eyeglass, such as described above seven can be used according to the optical imaging lens of the above embodiment of the application Piece.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing Deng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens so that optical imaging lens Head, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Can also have by the optical imaging lens of above-mentioned configuration There are the advantageous effects such as ultra-thin, large aperture, superior image quality.

In presently filed embodiment, at least one of 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 solution the case where Under, the lens numbers for constituting optical imaging lens can be changed, to obtain each result and advantage described in this specification.Example Such as, although being described by taking seven lens as an example in embodiments, which is not limited to include seven Lens.If desired, the optical imaging lens may also include the lens of other quantity.

The specific embodiment for the optical imaging lens for being applicable to the above embodiment is further described with reference to the accompanying drawings.

Embodiment 1

Referring to Fig. 1 to Fig. 2 D descriptions according to the optical imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to this Apply for the structural schematic diagram of the optical imaging lens of embodiment 1.

As shown in Figure 1, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.It is concave surface that 4th lens E4, which has positive light coke, object side S7, and image side surface S8 is convex surface.The It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has negative power, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 1 show the surface types of each lens of the optical imaging lens of embodiment 1, radius of curvature, thickness, material and Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 1

As shown in Table 1, the object side of any one lens in the first lens E1 to the 7th lens E7 and image side surface are It is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical formula and is defined：

Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the inverse of 1 mean curvature radius R of upper table)；K be circular cone coefficient ( It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.The following table 2 give can be used for it is each aspherical in embodiment 1 The high-order coefficient A of minute surface S1-S14₄、A₆、A₈、A₁₀、A₁₂、A₁₄And A₁₆。

Table 2

Table 3 gives the effective focal length f1 to f7 of each lens in embodiment 1, total effective focal length f of optical imaging lens, The object side S1 to imaging surface S17 of one lens E1 effective pixel area diagonal lines on distance TTL, the imaging surface S17 on optical axis Long half ImgH and maximum angle of half field-of view HFOV.

f1(mm)	3.69	f7(mm)	-20.51
				f2(mm)	6.74	f(mm)	3.28
f3(mm)	-6.13	TTL(mm)	4.00
				f4(mm)	16.32	ImgH(mm)	3.29
f5(mm)	13.71	HFOV(°)	45.6
				f6(mm)	-5.76

Table 3

Optical imaging lens in embodiment 1 meet：

CT4/T34=2.24, wherein CT4 is center thickness of the 4th lens E4 on optical axis, and T34 is the third lens E3 With spacing distances of the 4th lens E4 on optical axis；

F1/f=1.12, wherein f1 is the effective focal length of the first lens E1, and f is total effective focal length of optical imaging lens；

TTL/ImgH=1.22, wherein TTL be the first lens E1 object side S1 to imaging surface S17 on optical axis away from From ImgH is the half of effective pixel area diagonal line length on imaging surface S17；

| f5/f7 |=0.67, wherein f5 is the effective focal length of the 5th lens E5, and f7 is the effective focal length of the 7th lens E7；

R12/f=1.08, wherein R12 is the radius of curvature of the image side surface S12 of the 6th lens E6, and f is optical imaging lens Total effective focal length；

| f12/f567 |=0.38, wherein f12 is the combined focal length of the first lens E1 and the second lens E2, f567 the The combined focal length of five lens E5, the 6th lens E6 and the 7th lens E7；

ET5/CT5=0.81, wherein ET5 is the edge thickness of the 5th lens E5, and CT5 is the 5th lens E5 on optical axis Center thickness；

(R13+R14)/ImgH=1.37, wherein R13 is the radius of curvature of the object side S13 of the 7th lens E7, and R14 is The radius of curvature of the image side surface S14 of 7th lens E7, ImgH are the half of effective pixel area diagonal line length on imaging surface S17；

CT7/CT6=1.79, wherein CT6 is center thickness of the 6th lens E6 on optical axis, and CT7 is the 7th lens E7 Center thickness on optical axis；

F1 × R2/ (R1 × 5)=1.58mm, wherein f1 is the effective focal length of the first lens E1, and R1 is the first lens E1's The radius of curvature of object side S1, R2 are the radius of curvature of the image side surface S2 of the first lens E1.

Fig. 2A shows chromatic curve on the axis of the optical imaging lens of embodiment 1, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 2 B show the astigmatism curve of the optical imaging lens of embodiment 1, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 2 C show the distortion curve of the optical imaging lens of embodiment 1, indicate different image heights Locate corresponding distortion sizes values.Fig. 2 D show the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicate light warp By the deviation of the different image heights after camera lens on imaging surface.According to fig. 2 A to Fig. 2 D it is found that optics given by embodiment 1 at As camera lens can realize good image quality.

Embodiment 2

Referring to Fig. 3 to Fig. 4 D descriptions according to the optical imaging lens of the embodiment of the present application 2.In the present embodiment and following In embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2 Optical imaging lens structural schematic diagram.

As shown in figure 3, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.It is convex surface that 4th lens E4, which has positive light coke, object side S7, and image side surface S8 is concave surface.The It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has positive light coke, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 4 show the surface types of each lens of the optical imaging lens of embodiment 2, radius of curvature, thickness, material and Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 4

As shown in Table 4, in example 2, the object side of any one lens in the first lens E1 to the 7th lens E7 It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-4.0889E-02

3.3165E-01

-2.2951E+00

8.7067E+00

-1.8877E+01

2.1689E+01

-1.0355E+01

S2

-3.0519E-02

-3.4553E-02

-2.4512E-01

1.3362E+00

-3.9130E+00

4.7742E+00

-1.2999E+00

S3

-1.0784E-01

9.3054E-02

-1.4967E+00

6.6221E+00

-1.5760E+01

1.9685E+01

-8.2590E+00

S4

-1.8529E-01

-1.0683E+00

7.9844E+00

-2.5192E+01

4.3817E+01

-3.9952E+01

1.5330E+01

S5

-1.9757E-01

-1.0754E+00

6.8934E+00

-2.1032E+01

3.4916E+01

-3.1816E+01

1.2037E+01

S6

2.4903E-02

-8.0061E-01

3.8339E+00

-1.3761E+01

2.8612E+01

-3.3497E+01

1.6879E+01

S7

-5.5954E-02

-2.5344E-01

1.9576E+00

-8.4425E+00

1.8140E+01

-2.0908E+01

9.4495E+00

S8

-1.4776E-01

2.3742E-01

-2.3727E-01

1.0900E-01

-2.4923E-02

2.7765E-03

-1.2037E-04

S9

-1.3978E-01

6.3493E-02

-3.0936E-01

3.4331E-01

-1.5897E-01

-2.2289E-02

2.3945E-02

S10

-1.0938E-01

-2.1369E-02

-2.1546E-02

2.2962E-02

-6.3502E-03

-2.3064E-03

7.5995E-04

S11

1.8465E-02

-4.1479E-01

4.7647E-01

-2.6296E-01

3.4749E-02

2.3282E-02

-6.7679E-03

S12

-1.3381E-01

-2.4512E-01

8.2441E-02

7.3633E-02

-5.0280E-02

1.1054E-02

-8.5380E-04

S13

6.5432E-02

-6.4864E-01

5.8317E-01

-2.3565E-01

5.0497E-02

-5.6174E-03

2.5686E-04

S14

-2.0613E-01

-1.5815E-02

7.5766E-02

-4.3074E-02

1.0680E-02

-1.2381E-03

5.3963E-05

Table 5

Table 6 gives the effective focal length f1 to f7 of each lens in embodiment 2, total effective focal length f of optical imaging lens, The object side S1 to imaging surface S17 of one lens E1 effective pixel area diagonal lines on distance TTL, the imaging surface S17 on optical axis Long half ImgH and maximum angle of half field-of view HFOV.

f1(mm)	3.94	f7(mm)	31.20
				f2(mm)	4.49	f(mm)	3.26
f3(mm)	-5.16	TTL(mm)	3.88
				f4(mm)	62.46	ImgH(mm)	3.29
f5(mm)	36.43	HFOV(°)	45.9
				f6(mm)	-5.18

Table 6

Fig. 4 A show chromatic curve on the axis of the optical imaging lens of embodiment 2, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 4 B show the astigmatism curve of the optical imaging lens of embodiment 2, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 4 C show the distortion curve of the optical imaging lens of embodiment 2, indicate different image heights Locate corresponding distortion sizes values.Fig. 4 D show the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicate light warp By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optics given by embodiment 2 at As camera lens can realize good image quality.

Embodiment 3

The optical imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basis The structural schematic diagram of the optical imaging lens of the embodiment of the present application 3.

As shown in figure 5, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.It is convex surface that 4th lens E4, which has positive light coke, object side S7, and image side surface S8 is convex surface.The It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has negative power, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 7

As shown in Table 7, in embodiment 3, the object side of any one lens in the first lens E1 to the 7th lens E7 It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-3.3707E-02

2.4864E-01

-1.6578E+00

6.0873E+00

-1.2834E+01

1.4462E+01

-6.8664E+00

S2

-2.0177E-02

-1.0394E-01

5.5330E-01

-2.7218E+00

7.2415E+00

-1.0510E+01

6.5419E+00

S3

-8.7901E-02

8.0191E-02

-8.9190E-01

3.3107E+00

-5.8638E+00

4.6637E+00

1.3045E-01

S4

-4.1420E-01

2.8562E+00

-1.6074E+01

5.4934E+01

-1.0979E+02

1.1930E+02

-5.4421E+01

S5

-5.4111E-01

2.9143E+00

-1.7153E+01

5.9045E+01

-1.2006E+02

1.3313E+02

-6.2999E+01

S6

-1.9622E-01

2.3610E-01

-5.4806E-01

-1.2471E+00

6.5843E+00

-9.9834E+00

5.5798E+00

S7

-3.3506E-02

-6.9880E-02

1.5125E+00

-5.9328E+00

1.0369E+01

-8.9773E+00

3.1278E+00

S8

-2.7033E-02

-5.0053E-01

2.5568E+00

-5.7269E+00

6.8258E+00

-4.2008E+00

1.0468E+00

S9

4.8860E-02

-8.6650E-01

1.6873E+00

-2.1899E+00

1.8832E+00

-1.1159E+00

3.1297E-01

S10

3.5368E-01

-1.1437E+00

1.5615E+00

-1.2667E+00

6.1240E-01

-1.6281E-01

1.8083E-02

S11

2.8069E-01

-6.9057E-01

4.8952E-01

-1.2077E-01

-1.5558E-02

1.3076E-02

-1.9131E-03

S12

-7.4200E-02

-1.6164E-01

-2.6494E-02

1.2295E-01

-6.0273E-02

1.1806E-02

-8.4770E-04

S13

6.6853E-02

-6.6620E-01

6.0391E-01

-2.4434E-01

5.2116E-02

-5.7378E-03

2.5826E-04

S14

-1.0249E-01

-1.4585E-01

1.5278E-01

-6.7922E-02

1.5776E-02

-1.8751E-03

8.9816E-05

Table 8

Table 9 gives the effective focal length f1 to f7 of each lens in embodiment 3, total effective focal length f of optical imaging lens, The object side S1 to imaging surface S17 of one lens E1 effective pixel area diagonal lines on distance TTL, the imaging surface S17 on optical axis Long half ImgH and maximum angle of half field-of view HFOV.

Table 9

Fig. 6 A show chromatic curve on the axis of the optical imaging lens of embodiment 3, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 6 B show the astigmatism curve of the optical imaging lens of embodiment 3, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 6 C show the distortion curve of the optical imaging lens of embodiment 3, indicate different image heights Locate corresponding distortion sizes values.Fig. 6 D show the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicate light warp By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optics given by embodiment 3 at As camera lens can realize good image quality.

Embodiment 4

The optical imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basis The structural schematic diagram of the optical imaging lens of the embodiment of the present application 4.

As shown in fig. 7, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.It is concave surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is convex surface.The It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has positive light coke, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 4 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 10

As shown in Table 10, in example 4, the object side of any one lens in the first lens E1 to the 7th lens E7 It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Table 11

Table 12 give the effective focal length f1 to f7 of each lens in embodiment 4, optical imaging lens total effective focal length f, The object side S1 to imaging surface S17 of first lens E1 on distance TTL, the imaging surface S17 on optical axis effective pixel area it is diagonal The half ImgH of line length and maximum angle of half field-of view HFOV.

f1(mm)	3.84	f7(mm)	24.32
				f2(mm)	4.68	f(mm)	3.23
f3(mm)	-5.50	TTL(mm)	3.88
				f4(mm)	-69.85	ImgH(mm)	3.29
f5(mm)	23.32	HFOV(°)	45.9
				f6(mm)	-5.37

Table 12

Fig. 8 A show chromatic curve on the axis of the optical imaging lens of embodiment 4, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 8 B show the astigmatism curve of the optical imaging lens of embodiment 4, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 8 C show the distortion curve of the optical imaging lens of embodiment 4, indicate different image heights Locate corresponding distortion sizes values.Fig. 8 D show the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicate light warp By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optics given by embodiment 4 at As camera lens can realize good image quality.

Embodiment 5

The optical imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basis The structural schematic diagram of the optical imaging lens of the embodiment of the present application 5.

As shown in figure 9, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is convex surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has negative power, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 13

As shown in Table 13, in embodiment 5, the object side of any one lens in the first lens E1 to the 7th lens E7 It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-3.2581E-03

3.5657E-02

-2.2684E-01

9.0302E-01

-2.0393E+00

2.3486E+00

-1.0708E+00

S2

-4.7654E-02

-1.2329E-02

-3.2491E-01

1.5896E+00

-4.1754E+00

5.1579E+00

-2.0855E+00

S3

-1.5882E-01

6.5376E-02

-7.6273E-01

3.0683E+00

-6.6941E+00

8.0498E+00

-3.6110E+00

S4

8.8408E-02

-3.6780E+00

1.7878E+01

-4.6323E+01

7.1293E+01

-6.1734E+01

2.3770E+01

S5

2.1672E-01

-3.6306E+00

1.5901E+01

-4.0107E+01

5.9400E+01

-4.9359E+01

1.8184E+01

S6

2.3075E-01

-8.8510E-01

2.5959E+00

-6.9975E+00

1.1876E+01

-1.1461E+01

4.9169E+00

S7

-1.1857E-01

-3.9602E-01

1.2749E+00

-2.0082E+00

1.4594E+00

-3.2383E-01

-2.2959E-01

S8

-2.8945E-02

-4.2142E-01

1.0250E+00

-1.5700E+00

1.7188E+00

-1.0675E+00

2.6350E-01

S9

1.7714E-01

-3.2277E-01

3.1791E-01

-4.7282E-01

4.2777E-01

-1.6511E-01

1.9315E-02

S10

-1.2642E-01

3.4397E-01

-5.0094E-01

3.3321E-01

-1.1348E-01

1.8713E-02

-1.0763E-03

S11

2.6554E-02

-7.2198E-02

2.7982E-03

1.2533E-02

-7.1689E-03

1.8007E-03

-1.7629E-04

S12

7.4339E-05

-7.7555E-02

3.9463E-02

-1.0963E-02

1.7483E-03

-1.4916E-04

5.3725E-06

S13

-2.3767E-01

8.4248E-02

-1.4190E-02

1.3821E-03

-8.7526E-05

4.2448E-06

-1.3278E-07

S14

-1.5832E-01

8.8522E-02

-4.1459E-02

1.2014E-02

-2.0249E-03

1.8216E-04

-6.7127E-06

Table 14

Table 15 give the effective focal length f1 to f7 of each lens in embodiment 5, optical imaging lens total effective focal length f, The object side S1 to imaging surface S17 of first lens E1 on distance TTL, the imaging surface S17 on optical axis effective pixel area it is diagonal The half ImgH of line length and maximum angle of half field-of view HFOV.

f1(mm)	3.97	f7(mm)	-5.80
				f2(mm)	5.16	f(mm)	3.23
f3(mm)	-6.31	TTL(mm)	4.01
				f4(mm)	-198.19	ImgH(mm)	3.29
f5(mm)	-10.10	HFOV(°)	46.0
				f6(mm)	5.98

Table 15

Figure 10 A show chromatic curve on the axis of the optical imaging lens of embodiment 5, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 10 B show the astigmatism curve of the optical imaging lens of embodiment 5, indicate meridian Curvature of the image and sagittal image surface bending.Figure 10 C show the distortion curve of the optical imaging lens of embodiment 5, indicate different Corresponding distortion sizes values at image height.Figure 10 D show the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 10 A to Figure 10 D it is found that given by embodiment 5 Optical imaging lens can realize good image quality.

Embodiment 6

The optical imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 to Figure 12 D.Figure 11 shows root According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 6.

As shown in figure 11, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is convex surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has negative power, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 16

As shown in Table 16, in embodiment 6, the object side of any one lens in the first lens E1 to the 7th lens E7 It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-1.2807E-02

1.2642E-01

-7.6507E-01

2.4313E+00

-4.4988E+00

4.3215E+00

-1.7656E+00

S2

-4.0021E-02

-5.7006E-02

-4.3987E-02

2.1278E-01

-7.7926E-01

8.0893E-01

-1.2974E-01

S3

-1.3976E-01

-7.9250E-03

-2.9170E-01

1.0088E+00

-2.0825E+00

2.6610E+00

-1.1662E+00

S4

5.6950E-02

-3.3951E+00

1.7291E+01

-4.7175E+01

7.6304E+01

-6.8542E+01

2.6644E+01

S5

1.7936E-01

-3.3015E+00

1.4933E+01

-3.9512E+01

6.1816E+01

-5.3923E+01

2.0290E+01

S6

2.2528E-01

-8.8154E-01

2.6215E+00

-6.6969E+00

1.0524E+01

-9.4533E+00

3.7316E+00

S7

-1.0262E-01

-5.2638E-01

1.5058E+00

-1.7462E+00

6.2873E-01

1.9941E-01

-2.1961E-01

S8

-1.2998E-02

-5.2227E-01

9.9701E-01

-1.1829E+00

1.2138E+00

-7.8436E-01

1.9922E-01

S9

1.7915E-01

-1.3060E-01

-2.9271E-01

4.1630E-01

-2.4177E-01

8.1500E-02

-1.6344E-02

S10

-1.7172E-01

5.3276E-01

-8.3700E-01

6.7279E-01

-3.0554E-01

7.5090E-02

-7.7604E-03

S11

1.0044E-01

-1.7859E-01

8.1957E-02

-2.7519E-02

9.4868E-03

-3.2931E-03

4.9951E-04

S12

1.3044E-01

-2.4713E-01

1.5627E-01

-5.9525E-02

1.3851E-02

-1.8358E-03

1.0616E-04

S13

-2.3775E-01

8.4244E-02

-1.4189E-02

1.3820E-03

-8.7565E-05

4.2134E-06

-1.4459E-07

S14

-1.6610E-01

9.3386E-02

-4.1868E-02

1.1512E-02

-1.8426E-03

1.5956E-04

-5.7948E-06

Table 17

Table 18 give the effective focal length f1 to f7 of each lens in embodiment 6, optical imaging lens total effective focal length f, The object side S1 to imaging surface S17 of first lens E1 on distance TTL, the imaging surface S17 on optical axis effective pixel area it is diagonal The half ImgH of line length and maximum angle of half field-of view HFOV.

Table 18

Figure 12 A show chromatic curve on the axis of the optical imaging lens of embodiment 6, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 12 B show the astigmatism curve of the optical imaging lens of embodiment 6, indicate meridian Curvature of the image and sagittal image surface bending.Figure 12 C show the distortion curve of the optical imaging lens of embodiment 6, indicate different Corresponding distortion sizes values at image height.Figure 12 D show the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 12 A to Figure 12 D it is found that given by embodiment 6 Optical imaging lens can realize good image quality.

Embodiment 7

The optical imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 to Figure 14 D.Figure 13 shows root According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 7.

As shown in figure 13, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is convex surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has negative power, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 7 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 19

As shown in Table 19, in embodiment 7, the object side of any one lens in the first lens E1 to the 7th lens E7 It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Table 20

Table 21 give the effective focal length f1 to f7 of each lens in embodiment 7, optical imaging lens total effective focal length f, The object side S1 to imaging surface S17 of first lens E1 on distance TTL, the imaging surface S17 on optical axis effective pixel area it is diagonal The half ImgH of line length and maximum angle of half field-of view HFOV.

f1(mm)	4.12	f7(mm)	-7.45
				f2(mm)	5.03	f(mm)	3.10
f3(mm)	-6.52	TTL(mm)	4.03
				f4(mm)	-115.74	ImgH(mm)	3.29
f5(mm)	-6.73	HFOV(°)	47.2
				f6(mm)	4.57

Table 21

Figure 14 A show chromatic curve on the axis of the optical imaging lens of embodiment 7, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 14 B show the astigmatism curve of the optical imaging lens of embodiment 7, indicate meridian Curvature of the image and sagittal image surface bending.Figure 14 C show the distortion curve of the optical imaging lens of embodiment 7, indicate different Corresponding distortion sizes values at image height.Figure 14 D show the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 14 A to Figure 14 D it is found that given by embodiment 7 Optical imaging lens can realize good image quality.

Embodiment 8

The optical imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 shows root According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 8.

As shown in figure 15, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.

It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are concave surface.It is concave surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is convex surface.The It is convex surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.It is convex surface that 7th lens E7, which has negative power, object side S13, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.

Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 8 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).

Table 22

As shown in Table 22, in embodiment 8, the object side of any one lens in the first lens E1 to the 7th lens E7 It is aspherical with image side surface.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.

Face number

A4

A6

A8

A10

A12

A14

A16

S1

-3.4723E-02

2.4174E-01

-1.5543E+00

5.5235E+00

-1.1458E+01

1.2829E+01

-6.2581E+00

S2

-1.4943E-02

-1.3580E-01

9.8759E-01

-5.0836E+00

1.4198E+01

-2.1852E+01

1.3981E+01

S3

-1.0166E-01

2.0886E-01

-1.3832E+00

6.0018E+00

-1.3759E+01

1.5104E+01

-4.4588E+00

S4

-7.8578E-01

4.4876E+00

-2.1215E+01

6.9472E+01

-1.4577E+02

1.7339E+02

-8.7455E+01

S5

-7.3087E-01

3.9614E+00

-2.0980E+01

7.2603E+01

-1.6174E+02

2.0308E+02

-1.0867E+02

S6

-4.9762E-02

-4.8337E-01

2.7945E+00

-1.1645E+01

2.5770E+01

-2.9846E+01

1.4969E+01

S7

4.8126E-02

-4.6501E-01

2.7943E+00

-9.2021E+00

1.5960E+01

-1.4971E+01

6.0890E+00

S8

-7.7813E-03

-5.2622E-01

2.3301E+00

-4.8127E+00

5.4087E+00

-3.1633E+00

7.4934E-01

S9

-9.4123E-02

-4.9792E-01

1.0981E+00

-1.5408E+00

1.4644E+00

-9.9981E-01

3.1166E-01

S10

1.3953E-01

-6.8926E-01

9.9419E-01

-8.2456E-01

4.0889E-01

-1.1369E-01

1.3461E-02

S11

7.9602E-02

-3.7460E-01

1.8245E-01

1.0314E-01

-1.2406E-01

4.1895E-02

-4.9665E-03

S12

-8.2264E-02

-1.7615E-01

2.2110E-02

7.9765E-02

-4.2701E-02

8.4086E-03

-5.9419E-04

S13

6.6849E-02

-6.2755E-01

5.5599E-01

-2.2031E-01

4.6084E-02

-4.9822E-03

2.2045E-04

S14

-1.4560E-01

-7.8397E-02

1.0153E-01

-4.6416E-02

1.0714E-02

-1.2494E-03

5.8299E-05

Table 23

Table 24 give the effective focal length f1 to f7 of each lens in embodiment 8, optical imaging lens total effective focal length f, The object side S1 to imaging surface S17 of first lens E1 on distance TTL, the imaging surface S17 on optical axis effective pixel area it is diagonal The half ImgH of line length and maximum angle of half field-of view HFOV.

f1(mm)	3.37	f7(mm)	-27.47
				f2(mm)	22.43	f(mm)	3.25
f3(mm)	110.71	TTL(mm)	3.94
				f4(mm)	-22.17	ImgH(mm)	3.29
f5(mm)	-33.66	HFOV(°)	45.1
				f6(mm)	-14.59

Table 24

Figure 16 A show chromatic curve on the axis of the optical imaging lens of embodiment 8, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 16 B show the astigmatism curve of the optical imaging lens of embodiment 8, indicate meridian Curvature of the image and sagittal image surface bending.Figure 16 C show the distortion curve of the optical imaging lens of embodiment 8, indicate different Corresponding distortion sizes values at image height.Figure 16 D show the ratio chromatism, curve of the optical imaging lens of embodiment 8, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 16 A to Figure 16 D it is found that given by embodiment 8 Optical imaging lens can realize good image quality.

To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 25 respectively.

Conditional/embodiment	1	2	3	4	5	6	7	8
									f1/f	1.12	1.21	1.14	1.19	1.23	1.31	1.33	1.04
TTL/ImgH	1.22	1.18	1.21	1.18	1.22	1.22	1.22	1.20
									|f5/f7|	0.67	1.17	0.64	0.96	1.74	0.95	0.90	1.23
R12/f	1.08	0.67	0.98	0.65	0.64	0.86	0.89	1.00
									|f12/f567|	0.38	0.33	0.27	0.25	0.20	0.12	0.11	0.43
ET5/CT5	0.81	0.60	0.79	0.62	0.66	0.74	0.79	0.82
									(R13+R14)/ImgH	1.37	1.06	1.30	1.06	0.82	0.73	0.71	1.31
CT4/T34	2.24	2.13	2.01	1.56	1.65	1.81	1.84	1.98
									CT7/CT6	1.79	2.82	1.75	2.92	1.10	1.20	1.19	1.42
f1×R2/(R1×5)(mm)	1.58	1.49	1.54	1.50	1.74	1.85	1.91	1.53
									HFOV(°)	45.6	45.9	45.6	45.9	46.0	47.2	47.2	45.1

Table 25

The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, can also be The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above Head.

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 technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (12)

1. optical imaging lens include sequentially by object side to image side along optical axis：The first lens with focal power, second are thoroughly Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in that

It is convex surface that first lens, which have positive light coke, object side, and image side surface is concave surface；

It is convex surface that second lens, which have positive light coke, image side surface,；

The image side surface of 6th lens is concave surface；

The object side of 7th lens is convex surface, and image side surface is concave surface；And

Center thickness CT4 of 4th lens on the optical axis is with the third lens and the 4th lens in the light Spacing distance T34 on axis meets 1.5 ＜ CT4/T34 ＜ 2.5.

2. optical imaging lens according to claim 1, which is characterized in that the effective focal length f5 of the 5th lens and institute The effective focal length f7 for stating the 7th lens meets 0.5 ＜ | f5/f7 | ＜ 2.

3. optical imaging lens according to claim 1, which is characterized in that the curvature of the image side surface of the 6th lens half Diameter R12 and total effective focal length f of the optical imaging lens meet 0.5 ＜ R12/f ＜ 1.3.

4. optical imaging lens according to claim 1, which is characterized in that the edge thickness ET5 of the 5th lens with Center thickness CT5 of 5th lens on the optical axis meets 0.5 ＜ ET5/CT5 ＜ 1.

5. optical imaging lens according to claim 1, which is characterized in that the curvature of the object side of the 7th lens half The radius of curvature R 14 of image side surface and the effective pixel region on the imaging surface of the optical imaging lens of diameter R13, the 7th lens The half ImgH of domain diagonal line length meets 0.5 ＜ (R13+R14)/ImgH ＜ 1.5.

6. optical imaging lens according to claim 1, which is characterized in that during the 6th lens are on the optical axis Heart thickness CT6 meets 1 ＜ CT7/CT6 ＜ 3 with center thickness CT7 of the 7th lens on the optical axis.

7. optical imaging lens according to claim 1, which is characterized in that the effective focal length f1 of first lens, institute State the radius of curvature R 1 of the object side of the first lens and the image side surface of first lens radius of curvature R 2 meet 1mm ＜ f1 × R2/ (R1 × 5) ＜ 2mm.

8. optical imaging lens according to claim 1, which is characterized in that the effective focal length f1 of first lens and institute The total effective focal length f for stating optical imaging lens meets 1≤f1/f ＜ 1.5.

9. optical imaging lens according to claim 1, which is characterized in that first lens and second lens Combined focal length f12 and the combined focal length f567 of the 5th lens, the 6th lens and the 7th lens meet 0.1 ＜ | F12/f567 | ＜ 0.5.

10. optical imaging lens according to any one of claim 1 to 9, which is characterized in that the object of first lens Distance TTL of the imaging surface on optical axis of side to the optical imaging lens has on the imaging surface of the optical imaging lens The half ImgH of effect pixel region diagonal line length meets TTL/ImgH ＜ 1.4.

11. optical imaging lens according to any one of claim 1 to 9, which is characterized in that the optical imaging lens Maximum angle of half field-of view HFOV meet HFOV >=45 °.

12. optical imaging lens include sequentially by object side to image side along optical axis：The first lens with focal power, second are thoroughly Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in that

It is convex surface that first lens, which have positive light coke, object side, and image side surface is concave surface；

It is convex surface that second lens, which have positive light coke, image side surface,；

The image side surface of 6th lens is concave surface；

The object side of 7th lens is convex surface, and image side surface is concave surface；And

The effective focal length f1 of first lens meets 1≤f1/f ＜ 1.5 with total effective focal length f of the optical imaging lens.