CN208421379U - Pick-up lens - Google Patents

Abstract

This application discloses a kind of pick-up lens, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens by object side to image side along optical axis.First lens have negative power；Second lens have positive light coke, and object side is convex surface, and image side surface is concave surface；The third lens have positive light coke, and object side is convex surface；4th lens have negative power, and image side surface is concave surface；5th lens have positive light coke；6th lens have negative power, and at least one of object side and image side surface have the point of inflexion.The half HFOV of the maximum angle of half field-of view of pick-up lens meets HFOV >=55 °；And the 4th lens and the 5th lens in the combined focal length f45 of spacing distance T45 and the 4th lens and the 5th lens on optical axis meet 0 < of < T45/f45 × 10 0.5.

Description

Pick-up lens

Technical field

This application involves a kind of pick-up lens, more specifically, this application involves a kind of pick-up lens including six-element lens.

Background technique

With the diversified development of smart phone, consumer requires also increasingly camera function entrained by smart phone Height, the camera function of most of high-end handsets is also increasingly stronger on the market.In order to meet the needs of market, mobile phone camera lens are not The characteristics such as high pixel, high-resolution, high relative luminance are only needed to have, it is also desirable to have biggish field of view angle, and at the same time There should be miniaturization feature to meet intellectual product ultrathin growth requirement.

Utility model content

This application provides the camera lens that can at least solve or partially solve at least one above-mentioned disadvantage in the prior art Head.

On the one hand, this application provides such a pick-up lens, which sequentially includes: by object side to image side along optical axis First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens can have negative light focus Degree；Second lens can have positive light coke, and object side can be convex surface, and image side surface can be concave surface；The third lens can have positive light Focal power, object side can be convex surface；4th lens can have negative power, and image side surface can be concave surface；5th lens can have Positive light coke；6th lens can have negative power, and at least one of object side and image side surface can have the point of inflexion.Its In, the half HFOV of the maximum angle of half field-of view of pick-up lens can meet HFOV >=55 °；And the 4th lens and the 5th lens in light The combined focal length f45 of spacing distance T45 and the 4th lens and the 5th lens on axis can meet 0 < of < T45/f45 × 10 0.5.

In one embodiment, total effective focal length f of the pick-up lens and the third lens are on the optical axis Center thickness CT3 meet 3 < f/CT3 < 5.

In one embodiment, the half HFOV of the maximum angle of half field-of view of pick-up lens can meet HFOV >=55 °.

In one embodiment, the first lens to the 6th lens in the sum of center thickness on optical axis ∑ CT, second thoroughly The radius of curvature R 4 of the image side surface of the radius of curvature R 3 and the second lens of the object side of mirror can meet 7 < ∑ CT × (R3+R4) < 11.

In one embodiment, total effective focal length f of pick-up lens and the first lens, the second lens and the third lens Combined focal length f123 can meet f/f123 < 2.5.

In one embodiment, the maximum effective radius DT12 of the image side surface of the first lens and the first lens image side surface and Distance SAG12 can meet 1 < DT12/SAG12 < on the intersection point of optical axis to the axis on the effective radius vertex of the first lens image side surface 3。

In one embodiment, total effective focal length f of pick-up lens, the third lens and the 4th lens combined focal length The combined focal length f56 of f34 and the 5th lens and the 6th lens can meet | f/f34 |+| f/f56 | < 2.

In one embodiment, the intersection point of the 5th lens image side surface and optical axis to the 5th lens image side surface effective radius Distance SAG52 of the vertex on optical axis can meet with the 5th lens in the center thickness CT5 on optical axis | SAG52 |/CT5 < 1.

In one embodiment, the third lens on optical axis center thickness CT3 and the 6th lens on optical axis Heart thickness CT6 can meet 0 < CT3/CT6 < 3.

In one embodiment, the curvature of the image side surface of the radius of curvature R 5 and the 4th lens of the object side of the third lens Radius R8 can meet | R5-R8 |/| R5+R8 | < 1.

In one embodiment, the half ImgH of effective pixel area diagonal line length and on the imaging surface of pick-up lens The maximum effective radius DT52 of the image side surface of five lens can meet 1 < ImgH/DT52 < 4.

On the other hand, this application provides such a pick-up lens, which is sequentially wrapped along optical axis by object side to image side It includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens can have negative light Focal power；Second lens can have positive light coke, and object side can be convex surface, and image side surface can be concave surface；The third lens can have just Focal power, object side can be convex surface；4th lens can have negative power, and image side surface can be concave surface；5th lens can have There is positive light coke；6th lens can have negative power, and at least one of object side and image side surface can have the point of inflexion.Its In, the total effective focal length f and the third lens of pick-up lens can meet 3 < f/CT3 < 5 in the center thickness CT3 on optical axis；And Effective picture on the object side of first lens to the imaging surface of distance TTL and pick-up lens of the imaging surface on optical axis of pick-up lens The half ImgH of plain region diagonal line length can meet 1.6 < TTL/ImgH < 2.

On the other hand, this application provides such a pick-up lens, which is sequentially wrapped along optical axis by object side to image side It includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens can have negative light Focal power；Second lens can have positive light coke, and object side can be convex surface, and image side surface can be concave surface；The third lens can have just Focal power, object side can be convex surface；4th lens can have negative power, and image side surface can be concave surface；5th lens can have There is positive light coke；6th lens can have negative power, and at least one of object side and image side surface can have at least one The point of inflexion.Wherein, total effective focal length f of pick-up lens and the third lens can meet 3 < f/ in the center thickness CT3 on optical axis CT3 < 5；And first lens to the 6th lens in the song of the object side of the sum of center thickness on optical axis ∑ CT, the second lens The radius of curvature R 4 of the image side surface of rate radius R3 and the second lens can meet 7 < ∑ CT × (R3+R4) < 11.

The application use six-element lens, by each power of lens of reasonable distribution, face type, each lens center thickness And spacing etc. on the axis between each lens, so that above-mentioned pick-up lens has ultra-thin, big field angle, high image quality and muting sensitive At least one beneficial effect such as perception.

Detailed description of the invention

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 pick-up 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 pick-up lens of embodiment 1, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 3 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 2；

Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the pick-up lens of embodiment 2, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 5 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 3；

Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the pick-up lens of embodiment 3, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 7 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 4；

Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the pick-up lens of embodiment 4, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 9 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 5；

Figure 10 A to Figure 10 D respectively illustrates chromatic curve on the axis of the pick-up lens of embodiment 5, astigmatism curve, distortion song Line and ratio chromatism, curve；

Figure 11 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 6；

Figure 12 A to Figure 12 D respectively illustrates chromatic curve on the axis of the pick-up lens of embodiment 6, astigmatism curve, distortion song Line and ratio chromatism, curve；

Figure 13 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 7；

Figure 14 A to Figure 14 D respectively illustrates chromatic curve on the axis of the pick-up lens of embodiment 7, astigmatism curve, distortion song Line and ratio chromatism, curve.

Specific embodiment

Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers Understand, the only description to the illustrative embodiments of 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.Stating "and/or" includes associated institute 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, without indicating 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 ease 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.In each lens, the surface of closer object side is known as the lens Object side；In each lens, the surface of closer image side is known as the image side surface of the lens.

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 using in bright book, but does not preclude the presence or addition of one or more Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute When after the list of column 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 and their consistent meanings of meaning in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.

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

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

Pick-up lens according to the application illustrative embodiments may include such as six lens with focal power, that is, First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six-element lens is along optical axis by object Side to image side sequential, and airspace is all had between each adjacent lens.

In the exemplary embodiment, the first lens can have negative power；Second lens can have positive light coke, object Side can be convex surface, and image side surface can be concave surface；The third lens can have positive light coke, and object side can be convex surface；4th lens There can be negative power, image side surface can be concave surface；5th lens can have positive light coke；6th lens can have negative power, At least one of its object side and image side surface have at least one point of inflexion.

In the exemplary embodiment, the image side surface of the third lens can be convex surface.

In the exemplary embodiment, the image side surface of the 5th lens can be convex surface.

In the exemplary embodiment, the pick-up lens of the application can meet conditional HFOV >=55 °, wherein HFOV is The half at the maximum field of view angle of pick-up lens.More specifically, HFOV can further meet 58.1 °≤HFOV≤58.6 °.By right The maximum field of view angle of the optimization of pick-up lens, control system is greater than 110 degree, to realize the wide-angle characteristic of system.

In the exemplary embodiment, the pick-up lens of the application can meet 3 < f/CT3 < 5 of conditional, wherein f is to take the photograph As total effective focal length of camera lens, CT3 is the third lens in the center thickness on optical axis.More specifically, f and CT3 can further expire 3 < f/CT3 < 4 of foot, such as 3.23≤f/CT3≤3.97.By constrain pick-up lens total effective focal length and the third lens in The ratio of center thickness on optical axis can reasonably guarantee the processing characteristics of the third lens and the spherical aberration contribution of the third lens Rate makes system have good imaging performance on axis.

In the exemplary embodiment, the pick-up lens of the application can meet 7 < ∑ CT of conditional × (R3+R4) < 11, Wherein, ∑ CT is the first lens to the 6th lens in the sum of the center thickness on optical axis, and R3 is the song of the object side of the second lens Rate radius, R4 are the radius of curvature of the image side surface of the second lens.More specifically, ∑ CT, R3 and R4 can further meet 7.63≤ ∑CT×(R3+R4)≤10.68.By constraint the first lens of pick-up lens to the 6th lens in the sum of the center thickness on optical axis With the ratio of the sum of the radius of curvature of the second lens object side and image side surface, can rationally control the second lens to pick-up lens as Scattered contribution amount.

In the exemplary embodiment, the pick-up lens of the application can meet 1.6 < TTL/ImgH < 2 of conditional, wherein TTL be the first lens object side to the axis of the imaging surface of pick-up lens on distance, ImgH be pick-up lens imaging surface on have Imitate the half of pixel region diagonal line length.More specifically, TTL and ImgH can further meet 1.7 < TTL/ImgH < 1.9, example Such as 1.77≤TTL/ImgH≤1.79.By the ratio of control pick-up lens optics overall length and image height, it can be achieved that pick-up lens is super The characteristics of thinning and high pixel.

In the exemplary embodiment, the pick-up lens of the application can meet conditional | f/f34 |+| f/f56 | < 2, In, f be pick-up lens total effective focal length, f34 be the third lens and the 4th lens combined focal length, f56 be the 5th lens and The combined focal length of 6th lens.More specifically, f, f34 and f56 can further meet | f/f34 |+| f/f56 | < 1.5, such as 1.24≤|f/f34|+|f/f56|≤1.37.It, can be with reasonable distribution system by constraining in a certain range f34 and f56 Focal power makes system have good image quality and effectively reduces the susceptibility of system.

In the exemplary embodiment, the pick-up lens of the application can meet 1 < DT12/SAG12 < 3 of conditional, wherein DT12 is the maximum effective radius of the first lens image side surface, SAG12 be the first lens image side surface and optical axis intersection point to first thoroughly Distance on the axis on the effective radius vertex of mirror image side.More specifically, DT12 and SAG12 can further meet 1.8 < DT12/ SAG12 < 2.6, such as 1.96≤DT12/SAG12≤2.44.Meet 1 < DT12/SAG12 < 3 of conditional, can rationally control Chief ray incidence angles on one lens image side surface, so that the chief ray incidence angles of camera lens and chip matching degree with higher.

In the exemplary embodiment, the pick-up lens of the application can meet conditional f/f123 < 2.5, wherein f is to take the photograph As total effective focal length of camera lens, f123 is the combined focal length of the first lens, the second lens and the third lens.More specifically, f and F123 can further meet 1 < f/f123 < 1.6, such as 1.15≤f/f123≤1.48.By the ratio for rationally controlling f and f123 Value, can control the contribution amount for preceding group of optical lens aberration being made of the first lens to the third lens, and with by the 4th lens The aberration that the rear group of lens formed to the 6th lens generate is balanced, and is in total aberration of system in reasonable range.

In the exemplary embodiment, the pick-up lens of the application can meet conditional | SAG52 |/CT5 < 1, wherein SAG52 is distance on the intersection point to the axis on the effective radius vertex of the 5th lens image side surface of the 5th lens image side surface and optical axis, CT5 It is the 5th lens in the center thickness on optical axis.More specifically, SAG52 and CT5 can further meet 0.3 < | SAG52 |/CT5 < 0.7, such as 0.33≤| SAG52 |/CT5≤0.63.Meet conditional | SAG52 |/CT5 < 1 can effectively reduce the 5th thoroughly Deflection angle on mirror object side to the edge of the 5th lens image side surface makes the 5th lens have good processing characteristics.

In the exemplary embodiment, the pick-up lens of the application can meet 0 < CT3/CT6 < 3 of conditional, wherein CT3 It is the third lens in the center thickness on optical axis, CT6 is the 6th lens in the center thickness on optical axis.More specifically, CT3 and CT6 can further meet 0.7 < CT3/CT6 < 2.5, such as 0.88≤CT3/CT6≤2.28.Lens center thickness influences system Focal power can be controlled the distortion contribution amount of each visual field of system in reasonable range by controlling the ratio of CT3 and CT6, from And the image quality of lifting system.

In the exemplary embodiment, the pick-up lens of the application can meet conditional | R5-R8 |/| R5+R8 | < 1, In, R5 is the radius of curvature of the object side of the third lens, and R8 is the radius of curvature of the image side surface of the 4th lens.More specifically, R5 0 < can further be met with R8 | R5-R8 |/| R5+R8 | < 0.5, such as 0.03≤| R5-R8 |/| R5+R8 |≤0.34.Pass through By the difference of the third lens object side and the radius of curvature of the 4th lens image side surface and the third lens object side and the 4th lens image side The ratio constraint of the sum of curvature radius in a certain range, can reduce the coma of system, system made to have good imaging Quality.

In the exemplary embodiment, the pick-up lens of the application can meet 1 < ImgH/DT52 < 4 of conditional, wherein ImgH be pick-up lens imaging surface on effective pixel area diagonal line length half, DT52 be the 5th lens image side surface most Big effective radius.More specifically, ImgH and DT52 can further meet 2.1 < ImgH/DT52 < 2.8, such as 2.25≤ImgH/ DT52≤2.65.By the way that the constraint of the ratio of system image height and the 5th lens image side surface effective radius in a certain range, can be had Effect reduces the aberration of peripheral field, promotes the image quality of peripheral field.

In the exemplary embodiment, the pick-up lens of the application can meet 0 < of < T45/f45 × 10 0.5 of conditional, In, T45 is the 4th lens and the 5th lens in the spacing distance on optical axis, and f45 is the group focus of the 4th lens and the 5th lens Away from.More specifically, T45 and f45 can further meet 0.14≤T45/f45 × 10≤0.37.By by the 4th lens and the 5th The ratio of the air gap between the combined focal length of lens and the 4th lens and the 5th lens constrains in a certain range, Ke Yi While reasonable distribution focal power, make system that there is good image quality.

In the exemplary embodiment, above-mentioned pick-up lens may also include at least one diaphragm, to promote the imaging of camera lens Quality.Optionally, diaphragm may be provided between the second lens and the third lens.

Optionally, above-mentioned pick-up lens may also include the optical filter for correcting color error ratio and/or be located at for protecting The protection glass of photosensitive element on imaging surface.

Multi-disc eyeglass, such as described above six can be used according to the pick-up lens of the above embodiment of the application. By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing etc., can The volume for effectively reducing camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that pick-up lens is more advantageous In producing and processing and be applicable to the portable electronic product such as smart phone.Meanwhile camera shooting through the above configuration Camera lens can have the beneficial effects such as ultra-thin, big field angle, high imaging quality, hyposensitivity.

In presently filed embodiment, at least one of mirror 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 pick-up lens can be changed, to obtain each result and advantage described in this specification.Though for example, It is so described by taking six lens as an example in embodiments, but the pick-up lens is not limited to include six lens.If It needs, which may also include the lens of other quantity.

The specific embodiment for being applicable to the pick-up lens of above embodiment is further described with reference to the accompanying drawings.

Embodiment 1

Referring to Fig. 1 to Fig. 2 D description according to the pick-up lens of the embodiment of the present application 1.Fig. 1 is shown according to the application The structural schematic diagram of the pick-up lens of embodiment 1.

As shown in Figure 1, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.

First lens E1 has negative power, and object side S1 is convex surface, 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 concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface, and in the object side S11 and image side surface S12 of the 6th lens E6 at least One has the point of inflexion.Optical filter E7 has object side S13 and image side surface S14.Light from object sequentially passes through each surface S1 To S14 and it is ultimately imaged on imaging surface S15.

Table 1 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the pick-up lens of embodiment 1 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 of the first lens E1 into the 6th lens E6 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, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient ( It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1 The high-order coefficient A of mirror surface S1-S12₄、A₆、A₈、A₁₀、A₁₂、A₁₄、A₁₆、A₁₈And A₂₀。

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

3.6722E-01

-4.3604E-01

4.6589E-01

-3.4827E-01

1.6723E-01

-4.8026E-02

5.7815E-03

0.0000E+00

0.0000E+00

S2

5.0595E-01

-4.5232E-01

7.9386E-01

-2.0812E+00

4.8699E+00

-5.7621E+00

2.3492E+00

0.0000E+00

0.0000E+00

S3

-3.1479E-02

1.3377E-01

-1.2255E+00

4.4613E+00

-8.1360E+00

7.4180E+00

-2.6288E+00

0.0000E+00

0.0000E+00

S4

3.5308E-02

2.7881E-01

-2.2306E+00

1.4586E+01

-4.0689E+01

4.9143E+01

-4.2352E+00

0.0000E+00

0.0000E+00

S5

1.1999E-02

-6.5388E-01

8.7212E+00

-7.9315E+01

4.5343E+02

-1.6727E+03

3.8479E+03

-5.0028E+03

2.7931E+03

S6

-2.3562E-01

-1.0619E+00

1.5193E+01

-1.0108E+02

4.0909E+02

-1.0483E+03

1.6473E+03

-1.4426E+03

5.3721E+02

S7

-5.3178E-01

-1.0583E+00

1.4986E+01

-7.6343E+01

2.3957E+02

-4.8418E+02

6.0977E+02

-4.3274E+02

1.3176E+02

S8

-1.5593E-01

-1.6055E+00

9.9119E+00

-3.1187E+01

6.2622E+01

-8.1216E+01

6.5551E+01

-2.9911E+01

5.8969E+00

S9

1.8523E-01

-1.5927E+00

5.7147E+00

-1.2878E+01

1.9231E+01

-1.8200E+01

1.0078E+01

-2.7793E+00

2.3477E-01

S10

-1.6917E-01

7.0442E-01

-1.4592E+00

2.0969E+00

-1.8142E+00

7.2179E-01

1.1682E-01

-1.9676E-01

4.5728E-02

S11

-3.0276E-01

-7.1933E-02

6.1830E-01

-1.1090E+00

1.1111E+00

-6.9417E-01

2.6614E-01

-5.6422E-02

5.0108E-03

S12

-2.7347E-01

2.6900E-01

-2.0117E-01

1.0531E-01

-3.7822E-02

8.9966E-03

-1.3411E-03

1.1234E-04

-3.9868E-06

Table 2

Table 3 provides the effective focal length f1 to f6 of total effective focal length f of pick-up lens and each lens in embodiment 1, imaging The optics total length TTL of the half ImgH of effective pixel area diagonal line length, pick-up lens is (that is, from the first lens E1 on the S15 of face Distance of the object side S1 to imaging surface S15 on optical axis).

f(mm)	2.23	f5(mm)	2.22
				f1(mm)	-3.56	f6(mm)	-4.63
f2(mm)	9.36	ImgH(mm)	2.89
				f3(mm)	2.27	TTL(mm)	5.11
f4(mm)	-4.07	HFOV(°)	58.5

Table 3

Pick-up lens in embodiment 1 meets following relationship:

F/CT3=3.97, wherein f is total effective focal length of pick-up lens, and CT3 is the third lens E3 on optical axis Heart thickness；

∑ CT × (R3+R4)=10.68, wherein ∑ CT is the first lens E1 to the 6th lens E6 in the center on optical axis The sum of thickness, R3 are the radius of curvature of the object side S3 of the second lens E2, the curvature half that R4 is the image side surface S4 of the second lens E2 Diameter；

TTL/ImgH=1.77, wherein TTL is the optics total length of pick-up lens, and ImgH is the imaging surface of pick-up lens The half of the upper effective pixel area diagonal line length of S15；

| f/f34 |+| f/f56 |=1.37, wherein f be pick-up lens total effective focal length, f34 be the third lens E3 with The combined focal length of 4th lens E4, f56 are the combined focal length of the 5th lens E5 and the 6th lens E6；

DT12/SAG12=2.14, wherein DT12 is the maximum effective radius of the first lens E1 image side surface S2, and SAG12 is Distance on the intersection point of first lens E1 image side surface S2 and optical axis to the axis on the effective radius vertex of the first lens E1 image side surface S2；

F/f123=1.44, wherein f is total effective focal length of pick-up lens, and f123 is the first lens E1, the second lens E2 With the combined focal length of the third lens E3；

| SAG52 |/CT5=0.60, wherein SAG52 be the 5th lens E5 image side surface S10 and optical axis intersection point to the 5th thoroughly Distance on the axis on the effective radius vertex of mirror E5 image side surface S10, CT5 are the 5th lens E5 in the center thickness on optical axis；

CT3/CT6=1.09, wherein CT3 the third lens E3 in the center thickness on optical axis, CT6 be the 6th lens E6 in Center thickness on optical axis；

| R5-R8 |/| R5+R8 |=0.03, wherein R5 is the radius of curvature of the object side S5 of the third lens E3, and R8 is The radius of curvature of the image side surface S8 of four lens E4；

ImgH/DT52=2.25, wherein ImgH is effective pixel area diagonal line length on the imaging surface S15 of pick-up lens Half, DT52 be the 5th lens E5 image side surface S10 maximum effective radius；

T45/f45 × 10=0.17, wherein T45 is the 4th lens E4 and the 5th lens E5 in the spacing distance on optical axis, F45 is the combined focal length of the 4th lens E4 and the 5th lens E5.

Fig. 2A shows chromatic curve on the axis of the pick-up lens of embodiment 1, indicates the light of different wave length via mirror Converging focal point after head deviates.Fig. 2 B shows the astigmatism curve of the pick-up lens of embodiment 1, indicate meridianal image surface bending and Sagittal image surface bending.Fig. 2 C shows the distortion curve of the pick-up lens of embodiment 1, indicates the distortion in the case of different perspectives Sizes values.Fig. 2 D shows the ratio chromatism, curve of the pick-up lens of embodiment 1, indicate light via after camera lens in imaging surface On different image heights deviation.According to fig. 2 A to Fig. 2 D it is found that pick-up lens given by embodiment 1 can be realized it is good Image quality.

Embodiment 2

Referring to Fig. 3 to Fig. 4 D description according to the pick-up lens of the embodiment of the present application 2.In the present embodiment and following implementation In example, for brevity, by clipped description similar to Example 1.Fig. 3 shows taking the photograph according to the embodiment of the present application 2 As the structural schematic diagram of camera lens.

As shown in figure 3, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.

First lens E1 has negative power, and object side S1 is concave surface, 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 concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface, and in the object side S11 and image side surface S12 of the 6th lens E6 at least One has the point of inflexion.Optical filter E7 has object side S13 and image side surface S14.Light from object sequentially passes through each surface S1 To S14 and it is ultimately imaged on imaging surface S15.

Table 4 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the pick-up lens of embodiment 2 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 of the first lens E1 into the 6th lens E6 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

A18

A20

S1

4.5495E-01

-6.7359E-01

8.3157E-01

-6.9949E-01

3.7414E-01

-1.1574E-01

1.5373E-02

0.0000E+00

0.0000E+00

S2

6.7367E-01

-8.3677E-01

3.5962E-01

1.4279E+00

-2.5059E+00

1.3321E+00

-2.0258E-01

0.0000E+00

0.0000E+00

S3

-2.2317E-02

-2.3921E-02

-8.5989E-01

3.9826E+00

-7.5445E+00

6.8694E+00

-2.3994E+00

0.0000E+00

0.0000E+00

S4

3.0055E-02

6.5384E-03

1.9162E+00

-1.3322E+01

6.1480E+01

-1.4051E+02

1.3544E+02

0.0000E+00

0.0000E+00

S5

1.2279E-02

-7.0502E-01

9.8370E+00

-8.9548E+01

5.0790E+02

-1.8290E+03

4.0568E+03

-5.0471E+03

2.6889E+03

S6

-3.0351E-01

-4.6873E-01

8.2975E+00

-5.2608E+01

2.0128E+02

-4.9333E+02

7.5010E+02

-6.4023E+02

2.3326E+02

S7

-5.8523E-01

-6.1364E-01

1.0416E+01

-5.1082E+01

1.5491E+02

-3.0503E+02

3.7719E+02

-2.6400E+02

7.9349E+01

S8

-2.0151E-01

-1.1919E+00

7.5630E+00

-2.2819E+01

4.3964E+01

-5.5444E+01

4.4124E+01

-2.0046E+01

3.9559E+00

S9

1.3164E-01

-1.2435E+00

4.4878E+00

-9.7326E+00

1.4051E+01

-1.3461E+01

8.1735E+00

-2.8362E+00

4.2503E-01

S10

-2.5850E-01

1.0779E+00

-2.4977E+00

4.1637E+00

-4.6494E+00

3.3466E+00

-1.4373E+00

3.2485E-01

-2.8595E-02

S11

-3.9589E-01

1.1840E-01

3.6999E-01

-9.0831E-01

1.0345E+00

-7.0631E-01

2.9020E-01

-6.4968E-02

6.0281E-03

S12

-2.6600E-01

2.5671E-01

-1.8675E-01

9.3560E-02

-3.1426E-02

6.7406E-03

-8.5076E-04

5.2977E-05

-9.3544E-07

Table 5

Table 6 provides the effective focal length f1 to f6 of total effective focal length f of pick-up lens and each lens in embodiment 2, imaging The optics total length TTL of the half ImgH of effective pixel area diagonal line length, pick-up lens on the S15 of face.

f(mm)	2.23	f5(mm)	2.25
				f1(mm)	-3.46	f6(mm)	-4.47
f2(mm)	8.09	ImgH(mm)	2.89
				f3(mm)	2.35	TTL(mm)	5.11
f4(mm)	-4.44	HFOV(°)	58.5

Table 6

Fig. 4 A shows chromatic curve on the axis of the pick-up lens of embodiment 2, indicates the light of different wave length via mirror Converging focal point after head deviates.Fig. 4 B shows the astigmatism curve of the pick-up lens of embodiment 2, indicate meridianal image surface bending and Sagittal image surface bending.Fig. 4 C shows the distortion curve of the pick-up lens of embodiment 2, indicates the distortion in the case of different perspectives Sizes values.Fig. 4 D shows the ratio chromatism, curve of the pick-up lens of embodiment 2, indicate light via after camera lens in imaging surface On different image heights deviation.According to Fig. 4 A to Fig. 4 D it is found that pick-up lens given by embodiment 2 can be realized it is good Image quality.

Embodiment 3

The pick-up lens according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 is shown according to this Shen Please embodiment 3 pick-up lens structural schematic diagram.

As shown in figure 5, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.

First lens E1 has negative power, and object side S1 is convex surface, 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 concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface, and in the object side S11 and image side surface S12 of the 6th lens E6 at least One has the point of inflexion.Optical filter E7 has object side S13 and image side surface S14.Light from object sequentially passes through each surface S1 To S14 and it is ultimately imaged on imaging surface S15.

Table 7 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the pick-up lens of embodiment 3 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 of the first lens E1 into the 6th lens E6 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

A1

A20

S1

3.7901E-01

-4.2049E-01

4.4542E-01

-3.2981E-01

1.5751E-01

-4.3722E-02

4.8931E-03

0.0000E+00

0.0000E+00

S2

1.1216E+00

-2.6262E+00

7.8254E+00

-1.7468E+01

2.6036E+01

-2.1925E+01

7.5254E+00

0.0000E+00

0.0000E+00

S3

1.0072E-01

4.6248E-02

-1.2395E+00

5.1060E+00

-1.1441E+01

1.2426E+01

-5.0807E+00

0.0000E+00

0.0000E+00

S4

1.2912E-01

5.0238E-01

-6.2238E+00

4.0385E+01

-1.4136E+02

2.5229E+02

-1.7244E+02

0.0000E+00

0.0000E+00

S5

1.3298E-01

-8.3262E-01

1.1151E+01

-1.0658E+02

6.1920E+02

-2.2254E+03

4.8208E+03

-5.7658E+03

2.9180E+03

S6

-1.8590E-01

-2.5461E-01

5.6782E+00

-3.4095E+01

1.1734E+02

-2.5034E+02

3.2606E+02

-2.3519E+02

7.1191E+01

S7

-6.0968E-01

3.3428E-01

1.4800E+00

-5.9117E+00

6.0172E+00

1.2077E+01

-4.0617E+01

4.4774E+01

-1.8246E+01

S8

-1.6719E-01

-4.7520E-01

3.1298E+00

-7.9460E+00

1.1456E+01

-9.2860E+00

3.4428E+00

8.4525E-02

-3.0740E-01

S9

1.1287E-01

-5.9687E-01

1.6643E+00

-1.9004E+00

-6.8523E-01

4.8003E+00

-5.9318E+00

3.2886E+00

-7.1468E-01

S10

-2.3476E-01

8.7750E-01

-1.7985E+00

2.3849E+00

-1.7284E+00

3.3206E-01

4.3312E-01

-3.0669E-01

5.9863E-02

S11

-3.4104E-01

1.1131E-03

6.6305E-01

-1.4411E+00

1.6493E+00

-1.1394E+00

4.6863E-01

-1.0431E-01

9.6095E-03

S12

-2.6838E-01

2.7306E-01

-2.1069E-01

1.1319E-01

-4.1259E-02

9.8069E-03

-1.4364E-03

1.1592E-04

-3.8500E-06

Table 8

Table 9 provides the effective focal length f1 to f6 of total effective focal length f of pick-up lens and each lens in embodiment 3, imaging The optics total length TTL of the half ImgH of effective pixel area diagonal line length, pick-up lens on the S15 of face.

f(mm)	2.25	f5(mm)	2.58
				f1(mm)	-3.87	f6(mm)	-4.57
f2(mm)	11.87	ImgH(mm)	2.88
				f3(mm)	2.13	TTL(mm)	5.10
f4(mm)	-5.21	HFOV(°)	58.4

Table 9

Fig. 6 A shows chromatic curve on the axis of the pick-up lens of embodiment 3, indicates the light of different wave length via mirror Converging focal point after head deviates.Fig. 6 B shows the astigmatism curve of the pick-up lens of embodiment 3, indicate meridianal image surface bending and Sagittal image surface bending.Fig. 6 C shows the distortion curve of the pick-up lens of embodiment 3, indicates the distortion in the case of different perspectives Sizes values.Fig. 6 D shows the ratio chromatism, curve of the pick-up lens of embodiment 3, indicate light via after camera lens in imaging surface On different image heights deviation.According to Fig. 6 A to Fig. 6 D it is found that pick-up lens given by embodiment 3 can be realized it is good Image quality.

Embodiment 4

The pick-up lens according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 is shown according to this Shen Please embodiment 4 pick-up lens structural schematic diagram.

As shown in fig. 7, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.

First lens E1 has negative power, and object side S1 is convex surface, 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 concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface, and in the object side S11 and image side surface S12 of the 6th lens E6 at least One has the point of inflexion.Optical filter E7 has object side S13 and image side surface S14.Light from object sequentially passes through each surface S1 To S14 and it is ultimately imaged on imaging surface S15.

Table 10 shows surface type, radius of curvature, thickness, material and the circle of each lens of the pick-up lens of embodiment 4 Bore 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 of the first lens E1 into the 6th lens E6 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.

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

3.1090E-01

-2.9945E-01

2.5659E-01

-1.2164E-01

1.2894E-02

1.3382E-02

-4.6443E-03

0.0000E+00

0.0000E+00

S2

3.9926E-01

-1.8492E-01

9.0640E-02

7.0243E-04

7.0230E-01

-1.0676E+00

2.7317E-01

0.0000E+00

0.0000E+00

S3

-5.9317E-02

1.8295E-01

-1.5514E+00

5.4179E+00

-1.0772E+01

1.0787E+01

-4.1913E+00

0.0000E+00

0.0000E+00

S4

3.3884E-02

2.6225E-01

-2.6769E+00

1.5577E+01

-4.7227E+01

7.0880E+01

-3.5253E+01

0.0000E+00

0.0000E+00

S5

3.4374E-02

-7.7913E-01

1.1264E+01

-1.0241E+02

5.6313E+02

-1.9121E+03

3.9131E+03

-4.4203E+03

2.1136E+03

S6

-1.5107E-01

-1.7665E-01

3.2241E+00

-1.9332E+01

7.1475E+01

-1.7177E+02

2.5541E+02

-2.1000E+02

7.1991E+01

S7

-4.8375E-01

-2.2995E-01

4.2143E+00

-2.0637E+01

6.5882E+01

-1.3780E+02

1.7856E+02

-1.2814E+02

3.8707E+01

S8

-1.9779E-01

-3.0727E-01

2.4634E+00

-8.0697E+00

1.7165E+01

-2.3489E+01

1.9737E+01

-9.2521E+00

1.8595E+00

S9

1.1327E-01

-2.6411E-01

8.1749E-01

-2.4625E+00

5.4353E+00

-7.2284E+00

5.5258E+00

-2.2524E+00

3.7822E-01

S10

-3.1576E-01

1.0054E+00

-2.1589E+00

3.4410E+00

-3.5915E+00

2.2106E+00

-5.9839E-01

-3.0851E-02

3.3776E-02

S11

-2.9933E-01

-2.0646E-01

1.0758E+00

-1.9552E+00

2.0785E+00

-1.3849E+00

5.6153E-01

-1.2495E-01

1.1609E-02

S12

-3.3747E-01

3.6267E-01

-2.8681E-01

1.5711E-01

-5.8553E-02

1.4364E-02

-2.2020E-03

1.8979E-04

-6.9573E-06

Table 11

Table 12 provides the effective focal length f1 to f6 of total effective focal length f of pick-up lens and each lens in embodiment 4, imaging The optics total length TTL of the half ImgH of effective pixel area diagonal line length, pick-up lens on the S15 of face.

Table 12

Fig. 8 A shows chromatic curve on the axis of the pick-up lens of embodiment 4, indicates the light of different wave length via mirror Converging focal point after head deviates.Fig. 8 B shows the astigmatism curve of the pick-up lens of embodiment 4, indicate meridianal image surface bending and Sagittal image surface bending.Fig. 8 C shows the distortion curve of the pick-up lens of embodiment 4, indicates the distortion in the case of different perspectives Sizes values.Fig. 8 D shows the ratio chromatism, curve of the pick-up lens of embodiment 4, indicate light via after camera lens in imaging surface On different image heights deviation.According to Fig. 8 A to Fig. 8 D it is found that pick-up lens given by embodiment 4 can be realized it is good Image quality.

Embodiment 5

The pick-up lens according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 is shown according to this Shen Please embodiment 5 pick-up lens structural schematic diagram.

As shown in figure 9, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.

First lens E1 has negative power, and object side S1 is concave surface, 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 concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface, and in the object side S11 and image side surface S12 of the 6th lens E6 at least One has the point of inflexion.Optical filter E7 has object side S13 and image side surface S14.Light from object sequentially passes through each surface S1 To S14 and it is ultimately imaged on imaging surface S15.

Table 13 shows surface type, radius of curvature, thickness, material and the circle of each lens of the pick-up lens of embodiment 5 Bore 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 of the first lens E1 into the 6th lens E6 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

A

A8

A10

A12

A14

A16

A18

A20

S1

4.0484E-01

-5.0661E-01

5.0100E-01

-3.3507E-01

1.4061E-01

-3.3085E-02

3.2328E-03

0.0000E+00

0.0000E+00

S2

1.1397E+00

-2.2065E+00

4.5496E+00

-7.2331E+00

8.2146E+00

-5.7434E+00

1.6851E+00

0.0000E+00

0.0000E+00

S3

4.3133E-02

-4.1081E-01

2.7253E-01

1.1655E+00

-4.4815E+00

5.6085E+00

-2.4067E+00

0.0000E+00

0.0000E+00

S4

2.8885E-02

-4.0437E-01

3.6569E+00

-1.7520E+01

5.1194E+01

-8.3621E+01

6.4804E+01

0.0000E+00

0.0000E+00

S5

-1.4734E-02

4.5241E-01

-8.4014E+00

7.2926E+01

-3.7371E+02

1.1491E+03

-2.0898E+03

2.0728E+03

-8.6323E+02

S6

-5.5314E-01

2.1859E+00

-7.3970E+00

2.1816E+01

-6.4319E+01

1.5683E+02

-2.4905E+02

2.1834E+02

-7.9254E+01

S7

-9.6352E-01

2.4262E+00

-3.9829E+00

-5.8683E+00

5.0931E+01

-1.3486E+02

1.9515E+02

-1.5080E+02

4.8225E+01

S8

-4.0979E-01

3.2319E-01

2.9861E+00

-1.5201E+01

3.7055E+01

-5.3481E+01

4.6420E+01

-2.2329E+01

4.5647E+00

S9

4.3569E-02

-4.2102E-01

2.6126E+00

-7.7172E+00

1.3927E+01

-1.5937E+01

1.1255E+01

-4.4731E+00

7.6423E-01

S10

1.3227E-01

-9.8956E-02

3.1512E-01

-3.3980E-01

-1.0116E-01

8.3152E-01

-9.1573E-01

4.1375E-01

-6.8736E-02

S11

-2.7944E-01

-7.0590E-02

6.2753E-01

-1.5486E+00

2.0953E+00

-1.7190E+00

8.3247E-01

-2.1391E-01

2.2252E-02

S12

-1.6569E-01

1.4940E-01

-1.1397E-01

6.3169E-02

-2.4161E-02

6.1351E-03

-9.8242E-04

8.9372E-05

-3.5026E-06

Table 14

Table 15 provides the effective focal length f1 to f6 of total effective focal length f of pick-up lens and each lens in embodiment 5, imaging The optics total length TTL of the half ImgH of effective pixel area diagonal line length, pick-up lens on the S15 of face.

f(mm)	2.20	f5(mm)	2.08
				f1(mm)	-2.91	f6(mm)	-2.44
f2(mm)	7.57	ImgH(mm)	2.89
				f3(mm)	1.98	TTL(mm)	5.11
f4(mm)	-5.26	HFOV(°)	58.5

Table 15

Figure 10 A shows chromatic curve on the axis of the pick-up lens of embodiment 5, indicates the light of different wave length via mirror Converging focal point after head deviates.Figure 10 B shows the astigmatism curve of the pick-up lens of embodiment 5, indicates meridianal image surface bending It is bent with sagittal image surface.Figure 10 C shows the distortion curve of the pick-up lens of embodiment 5, in the case of indicating different perspectives Distort sizes values.Figure 10 D shows the ratio chromatism, curve of the pick-up lens of embodiment 5, indicate light via after camera lens The deviation of different image heights on imaging surface.According to Figure 10 A to Figure 10 D it is found that pick-up lens given by embodiment 5 can be real Existing good image quality.

Embodiment 6

The pick-up lens according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 is shown according to this Apply for the structural schematic diagram of the pick-up lens of embodiment 6.

As shown in figure 11, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.

First lens E1 has negative power, and object side S1 is concave surface, 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 concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is convex surface, and in the object side S11 and image side surface S12 of the 6th lens E6 at least One has the point of inflexion.Optical filter E7 has object side S13 and image side surface S14.Light from object sequentially passes through each surface S1 To S14 and it is ultimately imaged on imaging surface S15.

Table 16 shows surface type, radius of curvature, thickness, material and the circle of each lens of the pick-up lens of embodiment 6 Bore 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 of the first lens E1 into the 6th lens E6 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

A18

A20

S1

3.3799E-01

-3.6141E-01

3.0560E-01

-1.7232E-01

6.0862E-02

-1.2104E-02

1.0142E-03

0.0000E+00

0.0000E+00

S2

1.0421E+00

-1.9618E+00

3.8184E+00

-5.4752E+00

5.5237E+00

-3.4313E+00

9.0334E-01

0.0000E+00

0.0000E+00

S3

8.3677E-02

-7.5235E-01

2.1402E+00

-4.6002E+00

5.4277E+00

-3.1843E+00

6.9541E-01

0.0000E+00

0.0000E+00

S4

8.9848E-02

-9.8890E-01

8.2564E+00

-4.0576E+01

1.1753E+02

-1.7889E+02

1.1539E+02

0.0000E+00

0.0000E+00

S5

5.8342E-02

-2.2537E+00

3.5898E+01

-3.3691E+02

1.9208E+03

-6.7553E+03

1.4299E+04

-1.6692E+04

8.2562E+03

S6

-5.5171E-01

1.6765E+00

-1.9118E+00

-1.5311E+01

1.0743E+02

-3.3812E+02

5.9762E+02

-5.7420E+02

2.3599E+02

S7

-7.4364E-01

1.4624E+00

-4.7422E+00

1.9290E+01

-6.3731E+01

1.4260E+02

-1.9891E+02

1.5414E+02

-4.9939E+01

S8

-3.8786E-01

5.6434E-01

2.5586E-01

-3.0726E+00

6.5923E+00

-6.9058E+00

3.4739E+00

-5.0407E-01

-1.0689E-01

S9

4.2232E-02

-6.0130E-01

3.6060E+00

-1.0068E+01

1.6221E+01

-1.5814E+01

9.1634E+00

-2.8867E+00

3.7643E-01

S10

2.6054E-01

-2.1637E-01

-6.4789E-01

3.4420E+00

-6.3292E+00

6.3016E+00

-3.5729E+00

1.0806E+00

-1.3512E-01

S11

3.9041E-01

-1.3549E+00

9.0869E-01

1.0772E+00

-3.2154E+00

3.5931E+00

-2.1735E+00

6.9161E-01

-8.9685E-02

S12

5.2418E-01

-1.2520E+00

1.4857E+00

-1.1475E+00

5.9345E-01

-2.0271E-01

4.3831E-02

-5.4413E-03

2.9585E-04

Table 17

Table 18 provides the effective focal length f1 to f6 of total effective focal length f of pick-up lens and each lens in embodiment 6, imaging The optics total length TTL of the half ImgH of effective pixel area diagonal line length, pick-up lens on the S15 of face.

f(mm)	1.96	f5(mm)	2.24
				f1(mm)	-2.88	f6(mm)	-3.80
f2(mm)	7.79	ImgH(mm)	2.89
				f3(mm)	1.99	TTL(mm)	5.11
f4(mm)	-6.79	HFOV(°)	58.6

Table 18

Figure 12 A shows chromatic curve on the axis of the pick-up lens of embodiment 6, indicates the light of different wave length via mirror Converging focal point after head deviates.Figure 12 B shows the astigmatism curve of the pick-up lens of embodiment 6, indicates meridianal image surface bending It is bent with sagittal image surface.Figure 12 C shows the distortion curve of the pick-up lens of embodiment 6, in the case of indicating different perspectives Distort sizes values.Figure 12 D shows the ratio chromatism, curve of the pick-up lens of embodiment 6, indicate light via after camera lens The deviation of different image heights on imaging surface.According to Figure 12 A to Figure 12 D it is found that pick-up lens given by embodiment 6 can be real Existing good image quality.

Embodiment 7

The pick-up lens according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 is shown according to this Apply for the structural schematic diagram of the pick-up lens of embodiment 7.

As shown in figure 13, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments Include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, Optical filter E7 and imaging surface S15.

First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface, and in the object side S11 and image side surface S12 of the 6th lens E6 at least One has the point of inflexion.Optical filter E7 has object side S13 and image side surface S14.Light from object sequentially passes through each surface S1 To S14 and it is ultimately imaged on imaging surface S15.

Table 19 shows surface type, radius of curvature, thickness, material and the circle of each lens of the pick-up lens of embodiment 7 Bore 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 of the first lens E1 into the 6th lens E6 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 provides the effective focal length f1 to f6 of total effective focal length f of pick-up lens and each lens in embodiment 7, imaging The optics total length TTL of the half ImgH of effective pixel area diagonal line length, pick-up lens on the S15 of face.

f(mm)	1.85	f5(mm)	1.86
				f1(mm)	-3.15	f6(mm)	-2.79
f2(mm)	18.93	ImgH(mm)	2.89
				f3(mm)	1.85	TTL(mm)	5.11
f4(mm)	-3.74	HFOV(°)	58.5

Table 21

Figure 14 A shows chromatic curve on the axis of the pick-up lens of embodiment 7, indicates the light of different wave length via mirror Converging focal point after head deviates.Figure 14 B shows the astigmatism curve of the pick-up lens of embodiment 7, indicates meridianal image surface bending It is bent with sagittal image surface.Figure 14 C shows the distortion curve of the pick-up lens of embodiment 7, in the case of indicating different perspectives Distort sizes values.Figure 14 D shows the ratio chromatism, curve of the pick-up lens of embodiment 7, indicate light via after camera lens The deviation of different image heights on imaging surface.According to Figure 14 A to Figure 14 D it is found that pick-up lens given by embodiment 7 can be real Existing good image quality.

To sum up, embodiment 1 to embodiment 7 meets relationship shown in table 22 respectively.

Table 22

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, be also possible to The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with pick-up lens described above.

Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (31)

1. pick-up lens, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th thoroughly Mirror, the 5th lens and the 6th lens, which is characterized in that

First lens have negative power；

Second lens have positive light coke, and object side is convex surface, and image side surface is concave surface；

The third lens have positive light coke, and object side is convex surface；

4th lens have negative power, and image side surface is concave surface；

5th lens have positive light coke；

6th lens have negative power, and at least one of object side and image side surface have the point of inflexion；

The half HFOV of the maximum angle of half field-of view of the pick-up lens meets HFOV >=55 °；And

4th lens and the 5th lens are in spacing distance T45 and the 4th lens and described the on the optical axis The combined focal length f45 of five lens meets 0 < of < T45/f45 × 10 0.5.

2. pick-up lens according to claim 1, which is characterized in that total effective focal length f of the pick-up lens with it is described The third lens meet 3 < f/CT3 < 5 in the center thickness CT3 on the optical axis.

3. pick-up lens according to claim 1, which is characterized in that first lens to the 6th lens are in described The picture of the radius of curvature R 3 of the object side of the sum of center thickness on optical axis ∑ CT, second lens and second lens The radius of curvature R 4 of side meets 7 < ∑ CT × (R3+R4) < 11.

4. pick-up lens according to claim 1, which is characterized in that the maximum of the image side surface of first lens effectively half Diameter DT12 and the intersection point of the first lens image side surface and the optical axis to the effective radius vertex of the first lens image side surface Axis on meet 1 < DT12/SAG12 < 3 between distance SAG12.

5. pick-up lens according to claim 1, which is characterized in that the friendship of the 5th the lens image side surface and the optical axis Point is to distance SAG52 on the axis on the effective radius vertex of the 5th lens image side surface and the 5th lens on the optical axis Center thickness CT5 meet | SAG52 |/CT5 < 1.

6. pick-up lens according to claim 1, which is characterized in that the third lens are thick in the center on the optical axis It spends CT3 and the 6th lens and meets 0 < CT3/CT6 < 3 in the center thickness CT6 on the optical axis.

7. pick-up lens according to claim 1, which is characterized in that the radius of curvature R 5 of the object side of the third lens Meet with the radius of curvature R 8 of the image side surface of the 4th lens | R5-R8 |/| R5+R8 | < 1.

8. pick-up lens according to claim 1, which is characterized in that effective pixel region on the imaging surface of the pick-up lens The maximum effective radius DT52 of the image side surface of the half ImgH of domain diagonal line length and the 5th lens meets 1 < ImgH/DT52 < 4.

9. pick-up lens according to any one of claim 1 to 8, which is characterized in that the object side of first lens The extremely imaging surface of pick-up lens effective pixel region on the imaging surface of distance TTL and the pick-up lens on the optical axis The half ImgH of domain diagonal line length meets 1.6 < TTL/ImgH < 2.

10. pick-up lens according to any one of claim 1 to 8, which is characterized in that the pick-up lens it is total effectively Focal length f, the combined focal length f34 of the third lens and the 4th lens and the 5th lens and the 6th lens Combined focal length f56 meets | f/f34 |+| f/f56 | < 2.

11. pick-up lens according to any one of claim 1 to 8, which is characterized in that the pick-up lens it is total effectively The combined focal length f123 of focal length f and first lens, second lens and the third lens meets f/f123 < 2.5.

12. pick-up lens, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th thoroughly Mirror, the 5th lens and the 6th lens, which is characterized in that

First lens have negative power；

Second lens have positive light coke, and object side is convex surface, and image side surface is concave surface；

The third lens have positive light coke, and object side is convex surface；

4th lens have negative power, and image side surface is concave surface；

5th lens have positive light coke；

6th lens have negative power, and at least one of object side and image side surface have the point of inflexion；

Total effective focal length f of the pick-up lens and the third lens are in the 3 < f/ of center thickness CT3 satisfaction on the optical axis CT3 < 5；And

The object side of first lens is to distance TTL of the imaging surface on the optical axis of the pick-up lens and the camera shooting The half ImgH of effective pixel area diagonal line length meets 1.6 < TTL/ImgH < 2 on the imaging surface of camera lens.

13. pick-up lens according to claim 12, which is characterized in that the one of the maximum angle of half field-of view of the pick-up lens Half HFOV meets HFOV >=55 °.

14. pick-up lens according to claim 12, which is characterized in that first lens to the 6th lens are in institute State the object side of the sum of center thickness on optical axis ∑ CT, second lens radius of curvature R 3 and second lens The radius of curvature R 4 of image side surface meets 7 < ∑ CT × (R3+R4) < 11.

15. pick-up lens according to claim 12, which is characterized in that total effective focal length f of the pick-up lens and institute The combined focal length f123 for stating the first lens, second lens and the third lens meets f/f123 < 2.5.

16. pick-up lens described in any one of 2 to 15 according to claim 1, which is characterized in that the image side of first lens The maximum effective radius DT12 in face and the intersection point of the first lens image side surface and the optical axis to the first lens image side surface Effective radius vertex axis on meet 1 < DT12/SAG12 < 3 between distance SAG12.

17. pick-up lens described in any one of 2 to 15 according to claim 1, which is characterized in that the pick-up lens always has Effect focal length f, the combined focal length f34 of the third lens and the 4th lens and the 5th lens and the 6th lens Combined focal length f56 meet | f/f34 |+| f/f56 | < 2.

18. pick-up lens described in any one of 2 to 15 according to claim 1, which is characterized in that the 5th lens image side surface It is saturating with the described 5th with distance SAG52 on the intersection point to the axis on the effective radius vertex of the 5th lens image side surface of the optical axis Mirror meets in the center thickness CT5 on the optical axis | SAG52 |/CT5 < 1.

19. pick-up lens described in any one of 2 to 15 according to claim 1, which is characterized in that the third lens are in described Center thickness CT3 and the 6th lens on optical axis meet 0 < CT3/CT6 < 3 in the center thickness CT6 on the optical axis.

20. pick-up lens described in any one of 2 to 15 according to claim 1, which is characterized in that the object side of the third lens The radius of curvature R 8 of the image side surface of the radius of curvature R 5 in face and the 4th lens meets | R5-R8 |/| R5+R8 | < 1.

21. pick-up lens described in any one of 2 to 15 according to claim 1, which is characterized in that the imaging of the pick-up lens The maximum effective radius DT52 of the image side surface of the half ImgH of effective pixel area diagonal line length and the 5th lens is full on face 1 < ImgH/DT52 < 4 of foot.

22. pick-up lens, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th thoroughly Mirror, the 5th lens and the 6th lens, which is characterized in that

First lens have negative power；

Second lens have positive light coke, and object side is convex surface, and image side surface is concave surface；

The third lens have positive light coke, and object side is convex surface；

4th lens have negative power, and image side surface is concave surface；

5th lens have positive light coke；

6th lens have negative power, and at least one of object side and image side surface have the point of inflexion；

Total effective focal length f of the pick-up lens and the third lens are in the 3 < f/ of center thickness CT3 satisfaction on the optical axis CT3 < 5；And

First lens are to the 6th lens in the sum of center thickness on optical axis ∑ CT, the object of second lens The radius of curvature R 4 of the image side surface of the radius of curvature R 3 of side and second lens meets 7 < ∑ CT × (R3+R4) < 11.

23. pick-up lens according to claim 22, which is characterized in that the one of the maximum angle of half field-of view of the pick-up lens Half HFOV meets HFOV >=55 °.

24. pick-up lens according to claim 22, which is characterized in that total effective focal length f of the pick-up lens and institute The combined focal length f123 for stating the first lens, second lens and the third lens meets f/f123 < 2.5.

25. pick-up lens according to claim 24, which is characterized in that the maximum of the image side surface of first lens is effectively Radius DT12 and the intersection point of the first lens image side surface and the optical axis to the effective radius top of the first lens image side surface Meet 1 < DT12/SAG12 < 3 between distance SAG12 on the axis of point.

26. pick-up lens according to claim 22, which is characterized in that total effective focal length f of the pick-up lens, described The combined focal length f56 of the combined focal length f34 of the third lens and the 4th lens, the 5th lens and the 6th lens are full Foot | f/f34 |+| f/f56 | < 2.

27. pick-up lens according to claim 26, which is characterized in that the 5th lens image side surface and the optical axis Distance SAG52 and the 5th lens are in the optical axis on intersection point to the axis on the effective radius vertex of the 5th lens image side surface On center thickness CT5 between meet | SAG52 |/CT5 < 1.

28. pick-up lens according to claim 26, which is characterized in that the third lens are in the center on the optical axis Thickness CT3 and the 6th lens meet 0 < CT3/CT6 < 3 between the center thickness CT6 on the optical axis.

29. pick-up lens according to claim 26, which is characterized in that the radius of curvature of the object side of the third lens Meet between the radius of curvature R 8 of the image side surface of R5 and the 4th lens | R5-R8 |/| R5+R8 | < 1.

30. pick-up lens according to claim 26, which is characterized in that valid pixel on the imaging surface of the pick-up lens Meet 1 < between the maximum effective radius DT52 of the image side surface of the half ImgH of region diagonal line length and the 5th lens ImgH/DT52 < 4.

31. pick-up lens according to claim 30, which is characterized in that the object side of first lens to the camera shooting The imaging surface of camera lens effective pixel area diagonal line length on the imaging surface of distance TTL and the pick-up lens on the optical axis Half ImgH between meet 1.6 < TTL/ImgH < 2.