CN110471170A - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN110471170A CN110471170A CN201910797325.XA CN201910797325A CN110471170A CN 110471170 A CN110471170 A CN 110471170A CN 201910797325 A CN201910797325 A CN 201910797325A CN 110471170 A CN110471170 A CN 110471170A
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- 238000012634 optical imaging Methods 0.000 title claims abstract description 179
- 230000003287 optical effect Effects 0.000 claims abstract description 58
- 238000003384 imaging method Methods 0.000 claims abstract description 56
- 239000000571 coke Substances 0.000 claims abstract description 30
- 210000001747 pupil Anatomy 0.000 claims description 7
- 201000009310 astigmatism Diseases 0.000 description 14
- 238000010586 diagram Methods 0.000 description 14
- 238000005452 bending Methods 0.000 description 11
- 230000035945 sensitivity Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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Abstract
This application discloses a kind of optical imaging lens, by object side to image side sequentially include: the first lens with positive light coke along optical axis；The second lens with focal power, image side surface are concave surface；The third lens with focal power；The 4th lens with positive light coke, image side surface are convex surface；The 5th lens with negative power, object side are convex surface, and image side surface is concave surface；Wherein, the half ImgH of effective pixel area diagonal line length meets on the object side of the first lens to the imaging surface of distance TTL and optical imaging lens of the imaging surface on optical axis of optical imaging lens: TTL/ImgH≤1.3.
Description
Technical field
This application involves optical element fields, and in particular, to a kind of optical imaging lens.
Background technique
In recent years, with the high speed development of the portable electronic devices such as smart phone, tablet computer, people are pursuing intelligence
To the requirement of the pixel, thickness of miniaturization camera while the portable electronic devices such as mobile phone, tablet computer performance is good, ultra-thin
Also higher and higher.
The image height of existing miniaturization camera is usually smaller, camera lens thickness is bigger than normal, can not usually guarantee big image planes
Meet the lesser requirement of camera lens thickness simultaneously.Therefore, super-thin small camera is in portable electrics such as smart phone, tablet computers
Application demand in sub- equipment is more and more extensive.
Summary of the invention
This application provides one kind to be applicable to portable electronic product, has miniaturization, big image planes, thickness smaller, good
The optical imaging lens of good image quality.
The application on the one hand provide such a optical imaging lens, the optical imaging lens along optical axis by object side extremely
Image side sequentially includes: the first lens with positive light coke；The second lens with focal power, image side surface are concave surface；Have
The third lens of focal power；The 4th lens with positive light coke, image side surface are convex surface；The 5th with negative power is saturating
Mirror, object side are convex surface, and image side surface is concave surface.
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 on the imaging surface of TTL and optical imaging lens: TTL/ImgH≤
1.3；
In one embodiment, the curvature of the image side surface of the radius of curvature R 8 and the 5th lens of the image side surface of the 4th lens
Radius R10 can meet: 0.1 < (R8+R10)/(R8-R10) < 0.5.
In one embodiment, the effective focal length f1 of the total effective focal length f and the first lens of optical imaging lens can expire
Foot: f/f1 > 1.0.
In one embodiment, total effective coke of the radius of curvature R 4 of the image side surface of the second lens and optical imaging lens
It can meet away from f: 0.6 < R4/f < 1.2.
In one embodiment, the combined focal length f123 and the first lens of the first lens, the second lens and the third lens
It can meet with the combined focal length f12 of the second lens: 0.5 < f123/f12 < 1.3.
In one embodiment, spacing distance T12 and the second lens on optical axis of the first lens and the second lens and
Spacing distance T23 of the third lens on optical axis can meet: 0.1 < T12/T23 < 0.6.
In one embodiment, the effective focal length f4 and the 5th of total effective focal length f of optical imaging lens, the 4th lens
The effective focal length f5 of lens can meet: 2.0 < | f/f4 |+| f/f5 | < 3.5.
In one embodiment, the intersection point of the object side of the 4th lens and optical axis is effective to the object side of the 4th lens
Distance SAG41 and center thickness CT4 of the 4th lens on optical axis between radius vertex on optical axis can meet: 0.2 < |
SAG41/CT4 | < 0.8.
In one embodiment, the Entry pupil diameters EPD of optical imaging lens and the first lens are adjacent into the 5th lens
The summation Σ AT of spacing distance between lens on optical axis can meet: 1.2 < EPD/ Σ AT < 1.8.
In one embodiment, center thickness CT4, fiveth lens center on optical axis of the 4th lens on optical axis
The spacing distance T34 and the 4th lens and the 5th lens of thickness CT5, the third lens and the 4th lens on optical axis are on optical axis
Spacing distance T45 can meet: 1.0 < (CT4+CT5)/(T34+T45) < 1.8.
In one embodiment, effective half bore of the object side of the edge thickness ET1 and the first lens of the first lens
DT11 can meet: 0.2 < ET1/DT11 < 0.5.
In one embodiment, the Entry pupil diameters EPD of total effective focal length f of optical imaging lens, optical imaging lens
It can meet with the half ImgH of effective pixel area diagonal line length on the imaging surface of optical imaging lens: 0.4 < (f/EPD)/
ImgH < 0.9.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
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 illustrates 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 illustrates 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 illustrates 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 illustrates 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 illustrates 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 illustrates chromatic curve on the axis of the optical imaging lens of embodiment 7, astigmatism curve, abnormal
Varied curve 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.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 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.
Optical imaging lens according to the application illustrative embodiments may include five lens with focal power, respectively
It is the first lens, the second lens, the third lens, the 4th lens and the 5th lens.This five lens are along optical axis from object side to picture
Side sequential.First lens can have spacing distance between two lens of arbitrary neighborhood into the 5th lens.
In the exemplary embodiment, the first lens can have positive light coke；Second lens have focal power, image side surface
It can be concave surface；The third lens have focal power；4th lens can have positive light coke, and image side surface can be convex surface；5th lens
There can be negative power, object side can be convex surface, and image side surface can be concave surface.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: TTL/ImgH≤1.3, wherein
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
Imaging surface on effective pixel area diagonal line length half.Meet TTL/ImgH≤1.3, can both guarantee optical imaging lens
It is compact-sized, reduce tolerance sensitivity；It can be advantageously implemented big image planes, the miniaturization of optical imaging lens again, be allowed to more
Suitable for requiring big image planes, thickness stringent portable electronic device.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 0.1 < (R8+R10)/(R8-
R10) 0.5 <, wherein R8 is the radius of curvature of the image side surface of the 4th lens, and R10 is the curvature half of the image side surface of the 5th lens
Diameter.More specifically, R8 and R10 can further meet: 0.1 < (R8+R10)/(R8-R10) < 0.4.Meet 0.1 < (R8+
R10)/(R8-R10) < 0.5 can both guarantee the compact-sized of optical imaging lens, reduce tolerance sensitivity；It again can be advantageous
In the adjustment amount for reasonably adjusting the 4th lens and the 5th lens on light imaging lens aberration.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: f/f1 > 1.0, wherein f is
Total effective focal length of optical imaging lens, f1 are the effective focal lengths of the first lens.Meet f/f1 > 1.0, is conducive to reduce incident
The deviation angle of light, improves the image quality of optical imaging lens.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 0.6 < R4/f < 1.2,
In, R4 is the radius of curvature of the image side surface of the second lens, and f is total effective focal length of optical imaging lens.More specifically, R4 and f
Can further it meet: 0.7 < R4/f < 1.1.Meet 0.6 < R4/f < 1.2, the incident light for constraining the second lens can be conducive to
Line deviation reduces the tolerance sensitivity of optical imaging lens.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 0.5 < f123/f12 < 1.3,
Wherein, f123 is the combined focal length of the first lens, the second lens and the third lens, and f12 is the group of the first lens and the second lens
Complex focus.More specifically, f123 and f12 can further meet: 0.7 < f123/f12 < 1.1.Meet 0.5 < f123/f12 <
1.3, it can not only be conducive to the tolerance sensitivity for balancing each lens, but also can reduce the overall length of optical imaging lens.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 0.1 < T12/T23 < 0.6,
Wherein, T12 is the spacing distance of the first lens and the second lens on optical axis, and T23 is the second lens and the third lens in optical axis
On spacing distance.More specifically, T12 and T23 can further meet: 0.1 < T12/T23 < 0.5.Meet 0.1 < T12/T23
< 0.6, can not only be conducive to the assembly of the first lens and the second lens, but also can reduce the overall length of optical imaging lens.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 2.0 < | f/f4 |+| f/f5 |
< 3.5, wherein f is total effective focal length of optical imaging lens, and f4 is the effective focal length of the 4th lens, and f5 is the 5th lens
Effective focal length.Meet 2.0 < | f/f4 |+| f/f5 | < 3.5 can be conducive to the light focus for reasonably distributing optical imaging lens
Degree, reduces the tolerance sensitivities of each lens.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 0.2 < | SAG41/CT4 | <
0.8, wherein SAG41 be the 4th lens object side and optical axis intersection point to the object side of the 4th lens effective radius vertex
Between distance on optical axis, CT4 is center thickness of the 4th lens on optical axis.More specifically, SAG41 and CT4 are further
Can meet: 0.3 < | SAG41/CT4 | < 0.7.Meet 0.2 < | SAG41/CT4 | < 0.8 can both be conducive to optical imaging lens
Head is manufactured, and can be conducive to expand the imaging surface of optical imaging lens.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 1.2 < EPD/ Σ AT < 1.8,
Wherein, EPD is the Entry pupil diameters of optical imaging lens, Σ AT be the first lens into the 5th lens between adjacent lens in optical axis
On spacing distance summation.More specifically, EPD and Σ AT can further meet: 1.2 < EPD/ Σ AT < 1.7.Meet 1.2
< EPD/ Σ AT < 1.8 can not only be conducive to the overall length for reducing optical imaging lens, but also can be conducive to expand optical imaging lens
The entrance pupil aperture of head, to improve the light-inletting quantity of optical imaging lens to improve the signal-to-noise ratio of imaging sensor.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 1.0 < (CT4+CT5)/(T34
+ T45) < 1.8, wherein CT4 is center thickness of the 4th lens on optical axis, and CT5 is that center of the 5th lens on optical axis is thick
Degree, T34 is the spacing distance of the third lens and the 4th lens on optical axis, and T45 is the 4th lens and the 5th lens on optical axis
Spacing distance.Meet 1.0 < (CT4+CT5)/(T34+T45) < 1.8, the assembly of optical imaging lens can be conducive to.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 0.2 < ET1/DT11 < 0.5,
Wherein, ET1 is the edge thickness of the first lens, and DT11 is effective half bore of the object side of the first lens.Meet 0.2 < ET1/
DT11 < 0.5 can be conducive to being manufactured for optical imaging lens.
In the exemplary embodiment, can be met according to the optical imaging lens of the application: 0.4 < (f/EPD)/ImgH <
0.9, wherein f is total effective focal length of optical imaging lens, and EPD is the Entry pupil diameters of optical imaging lens, ImgH be optics at
As camera lens imaging surface on effective pixel area diagonal line length half.More specifically, f, EPD and ImgH can further meet:
0.5 < (f/EPD)/ImgH < 0.7.Meet 0.4 < (f/EPD)/ImgH < 0.9, can be conducive to guaranteeing the same of big image planes
When, the light-inletting quantity of optical imaging lens is improved, realizes the miniaturization of optical imaging lens.
It in the exemplary embodiment, further include being arranged in object side and the first lens according to the optical imaging lens of the application
Between diaphragm.Optionally, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting
Shield is located at the protection glass of the photosensitive element on imaging surface.Present applicant proposes a kind of with characteristics such as big image planes, miniaturizations
Optical imaging lens.Multi-disc eyeglass, such as institute above can be used according to the optical imaging lens of the above embodiment of the application
Five stated.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on
Spacing etc. can effectively converge incident ray, reduces the overall length of optical imaging lens and improve the processable of optical imaging lens
Property, so that optical imaging lens are more advantageous to production and processing.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, the first lens
At least one mirror surface into the image side surface of the 5th lens of object side be aspherical mirror.The characteristics of non-spherical lens, is: from
To lens perimeter, curvature is consecutive variations for lens centre.With the spherical surface from lens centre to lens perimeter with constant curvature
Lens are different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve the excellent of astigmatic image error
Point.After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve image quality.
Optionally, object side and the picture of the first lens, the second lens, the third lens, the 4th lens and each lens in the 5th lens
At least one of side is aspherical mirror.Optionally, the first lens, the second lens, the third lens, the 4th lens and the 5th
The object side of each lens in lens and image side surface are aspherical mirror.
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 five lens as an example in embodiments, which is not limited to include five
Lens.If desired, the optical imaging lens may also include the lens of other quantity.
The specific embodiment for being applicable to the optical imaging 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 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, optical imaging lens by object side to image side sequentially include: diaphragm STO, the first lens E1, second thoroughly
Mirror E2, the third lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, 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 positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have object side S11 and
Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 1 shows the basic parameter table of the optical imaging lens of embodiment 1, wherein radius of curvature, thickness/distance and
The unit of focal length is millimeter (mm).
Table 1
In this example, total effective focal length f of optical imaging lens is 3.46mm, the total length TTL of optical imaging lens
(that is, the distance of imaging surface S13 on optical axis from the object side S1 of the first lens E1 to optical imaging lens) is 4.45mm, light
The half ImgH for learning effective pixel area diagonal line length on the imaging surface S13 of imaging lens is 3.48mm, optical imaging lens
It is 2.04 that maximum angle of half field-of view Semi-FOV, which is 43.2 ° and f-number Fno,.
In embodiment 1, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
To be aspherical, 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 is circular cone coefficient；Ai
It is the correction factor of aspherical i-th-th rank.The following table 2 gives the high order that can be used for each aspherical mirror S1-S10 in embodiment 1
Term coefficient A4、A6、A8、A10、A12、A14、A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -5.5335E-02 | 1.2446E+00 | -9.9826E+00 | 4.8826E+01 | -1.5025E+02 | 2.9215E+02 | -3.4782E+02 | 2.3105E+02 | -6.5514E+01 |
| S2 | -7.5498E-02 | 5.2539E-02 | -4.4774E-01 | 5.1032E+00 | -2.7738E+01 | 7.6748E+01 | -1.1519E+02 | 8.9571E+01 | -2.8318E+01 |
| S3 | -1.8419E-01 | 1.2400E+00 | -9.2649E+00 | 4.6772E+01 | -1.4945E+02 | 2.9875E+02 | -3.6184E+02 | 2.4270E+02 | -6.9149E+01 |
| S4 | -6.8308E-02 | 2.1044E-01 | -5.9183E-01 | 4.5048E+00 | -2.1031E+01 | 5.3898E+01 | -7.6903E+01 | 5.7883E+01 | -1.7926E+01 |
| S5 | -1.5470E-01 | 4.7202E-01 | -3.5963E+00 | 1.5806E+01 | -4.3091E+01 | 7.2744E+01 | -7.4088E+01 | 4.1440E+01 | -9.5786E+00 |
| S6 | -9.5239E-02 | 6.0912E-02 | -8.4192E-01 | 3.3139E+00 | -7.3420E+00 | 9.6349E+00 | -7.4468E+00 | 3.1133E+00 | -5.3333E-01 |
| S7 | 1.6071E-02 | -1.4838E-01 | 1.0656E-01 | -5.7012E-02 | 2.2366E-02 | 1.4090E-03 | -2.2314E-02 | 1.6613E-02 | -3.4461E-03 |
| S8 | 1.2255E-01 | -3.7014E-01 | 5.3051E-01 | -5.3004E-01 | 3.7123E-01 | -1.6693E-01 | 4.5077E-02 | -6.6427E-03 | 4.1079E-04 |
| S9 | -3.5659E-01 | 1.7541E-01 | -1.4660E-02 | -1.4083E-02 | 5.9349E-03 | -1.1182E-03 | 1.1563E-04 | -6.3356E-06 | 1.4291E-07 |
| S10 | -2.1105E-01 | 1.7081E-01 | -9.6825E-02 | 3.7765E-02 | -9.9916E-03 | 1.7372E-03 | -1.8861E-04 | 1.1558E-05 | -3.0457E-07 |
Table 2
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 convergence focus after camera lens.Fig. 2 B shows the astigmatism curve of the optical imaging lens of embodiment 1, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imaging lens of embodiment 1, indicates different image heights
Corresponding distortion sizes values.Fig. 2 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicate light via
The deviation of different image heights after camera lens on imaging surface.A to Fig. 2 D is it is found that optical imagery given by embodiment 1 according to fig. 2
Camera lens can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description 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, optical imaging lens by object side to image side sequentially include: diaphragm STO, the first lens E1, second thoroughly
Mirror E2, the third lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, 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 concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have object side S11 and
Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
In this example, total effective focal length f of optical imaging lens is 3.50mm, the total length TTL of optical imaging lens
For 4.35mm, the half ImgH of effective pixel area diagonal line length is 3.40mm, optics on the imaging surface S13 of optical imaging lens
It is 2.07 that the maximum angle of half field-of view Semi-FOV of imaging lens, which is 43.4 ° and f-number Fno,.
Table 3 shows the basic parameter table of the optical imaging lens of embodiment 2, wherein radius of curvature, thickness/distance and
The unit of focal length is millimeter (mm).Table 4 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein
Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 3
Table 4
Fig. 4 A shows chromatic curve on the axis of the optical imaging lens of embodiment 2, indicates the light warp of different wave length
Deviateed by the convergence focus after camera lens.Fig. 4 B shows the astigmatism curve of the optical imaging lens of embodiment 2, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imaging lens of embodiment 2, indicates different image heights
Corresponding distortion sizes values.Fig. 4 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicate light via
The deviation of different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optical imagery given by embodiment 2
Camera lens can be realized 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, optical imaging lens by object side to image side sequentially include: diaphragm STO, the first lens E1, second thoroughly
Mirror E2, the third lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, 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
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have object side S11 and
Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
In this example, total effective focal length f of optical imaging lens is 3.40mm, the total length TTL of optical imaging lens
For 4.23mm, the half ImgH of effective pixel area diagonal line length is 3.41mm, optics on the imaging surface S13 of optical imaging lens
It is 2.09 that the maximum angle of half field-of view Semi-FOV of imaging lens, which is 44.1 ° and f-number Fno,.
Table 5 shows the basic parameter table of the optical imaging lens of embodiment 3, wherein radius of curvature, thickness/distance and
The unit of focal length is millimeter (mm).Table 6 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein
Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 2.1683E-02 | 1.4730E-01 | -8.8896E-01 | 2.9408E+00 | -5.5414E+00 | 5.3744E+00 | -2.1529E+00 | 0.0000E+00 | 0.0000E+00 |
| S2 | -1.8416E-01 | 2.0594E-01 | 9.8733E-01 | -5.1125E+00 | 9.3855E+00 | -8.0710E+00 | 2.6142E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | -2.0615E-01 | 4.7599E-01 | 5.9230E-01 | -4.3633E+00 | 7.7338E+00 | -5.4975E+00 | 1.0869E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -7.5341E-02 | 3.0937E-01 | 1.4126E-01 | -1.7291E+00 | 3.2433E+00 | -2.3210E+00 | 6.4319E-01 | 0.0000E+00 | 0.0000E+00 |
| S5 | -2.1002E-01 | 1.2198E-01 | -2.3463E-01 | -3.9319E+00 | 2.9743E+01 | -9.9754E+01 | 1.7962E+02 | -1.6969E+02 | 6.6919E+01 |
| S6 | -1.4703E-01 | 2.1666E-02 | -6.2433E-01 | 2.8598E+00 | -7.4011E+00 | 1.1371E+01 | -1.0284E+01 | 5.0422E+00 | -1.0145E+00 |
| S7 | 4.3919E-02 | -1.3858E-01 | 1.4792E-01 | -1.1132E-01 | 4.4407E-02 | -1.0023E-02 | 6.6698E-04 | 8.7832E-04 | -2.5091E-04 |
| S8 | 1.6870E-01 | -2.8831E-01 | 3.1350E-01 | -1.7500E-01 | 4.5210E-02 | -1.0387E-04 | -2.9353E-03 | 6.7405E-04 | -5.0175E-05 |
| S9 | -3.5317E-01 | 1.5789E-01 | -1.6419E-04 | -2.0012E-02 | 7.2271E-03 | -1.2424E-03 | 1.1221E-04 | -4.6406E-06 | 4.4017E-08 |
| S10 | -2.2260E-01 | 1.7212E-01 | -9.5813E-02 | 3.7154E-02 | -9.8270E-03 | 1.7083E-03 | -1.8551E-04 | 1.1403E-05 | -3.0290E-07 |
Table 6
Fig. 6 A shows chromatic curve on the axis of the optical imaging lens of embodiment 3, indicates the light warp of different wave length
Deviateed by the convergence focus after camera lens.Fig. 6 B shows the astigmatism curve of the optical imaging lens of embodiment 3, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imaging lens of embodiment 3, indicates different image heights
Corresponding distortion sizes values.Fig. 6 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicate light via
The deviation of different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optical imagery given by embodiment 3
Camera lens can be realized 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, optical imaging lens by object side to image side sequentially include: diaphragm STO, the first lens E1, second thoroughly
Mirror E2, the third lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, 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
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have object side S11 and
Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
In this example, total effective focal length f of optical imaging lens is 3.40mm, the total length TTL of optical imaging lens
For 4.23mm, the half ImgH of effective pixel area diagonal line length is 3.41mm, optics on the imaging surface S13 of optical imaging lens
It is 2.09 that the maximum angle of half field-of view Semi-FOV of imaging lens, which is 44.1 ° and f-number Fno,.
Table 7 shows the basic parameter table of the optical imaging lens of embodiment 4, wherein radius of curvature, thickness/distance and
The unit of focal length is millimeter (mm).Table 8 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 7
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 2.6321E-02 | 5.9980E-02 | -2.4619E-01 | 6.9766E-01 | -1.2120E+00 | 1.1351E+00 | -4.8397E-01 | 0.0000E+00 | 0.0000E+00 |
| S2 | -2.0517E-01 | 3.6139E-01 | -1.3249E-01 | -2.8478E-01 | -8.5453E-01 | 2.7611E+00 | -2.0419E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | -2.6722E-01 | 7.1356E-01 | -5.2828E-01 | 3.7535E-03 | -1.3540E+00 | 3.9774E+00 | -2.9318E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -1.3206E-01 | 4.7385E-01 | -2.8153E-01 | -7.5253E-01 | 1.8363E+00 | -1.3540E+00 | 3.5272E-01 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.8869E-01 | 8.9829E-02 | -1.2912E+00 | 8.5623E+00 | -3.5194E+01 | 8.7827E+01 | -1.3082E+02 | 1.0622E+02 | -3.5518E+01 |
| S6 | -2.0501E-01 | 3.2349E-01 | -2.0058E+00 | 7.5209E+00 | -1.7651E+01 | 2.5911E+01 | -2.3069E+01 | 1.1380E+01 | -2.3639E+00 |
| S7 | 6.4925E-02 | -1.9322E-01 | 3.0378E-01 | -3.7717E-01 | 3.1248E-01 | -1.7282E-01 | 6.0428E-02 | -1.1754E-02 | 9.5453E-04 |
| S8 | 2.2682E-01 | -3.8314E-01 | 4.2756E-01 | -3.1316E-01 | 1.4603E-01 | -4.2597E-02 | 7.5200E-03 | -7.3485E-04 | 3.0511E-05 |
| S9 | -2.5095E-01 | 6.6034E-02 | 2.8290E-02 | -2.1140E-02 | 5.7836E-03 | -8.5950E-04 | 7.1465E-05 | -2.9711E-06 | 4.1384E-08 |
| S10 | -1.4708E-01 | 8.9203E-02 | -3.8306E-02 | 1.0895E-02 | -1.9133E-03 | 1.8003E-04 | -5.1155E-06 | -4.2351E-07 | 2.6814E-08 |
Table 8
Fig. 8 A shows chromatic curve on the axis of the optical imaging lens of embodiment 4, indicates the light warp of different wave length
Deviateed by the convergence focus after camera lens.Fig. 8 B shows the astigmatism curve of the optical imaging lens of embodiment 4, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imaging lens of embodiment 4, indicates different image heights
Corresponding distortion sizes values.Fig. 8 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicate light via
The deviation of different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optical imagery given by embodiment 4
Camera lens can be realized 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, optical imaging lens by object side to image side sequentially include: diaphragm STO, the first lens E1, second thoroughly
Mirror E2, the third lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have object side S11 and
Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
In this example, total effective focal length f of optical imaging lens is 3.46mm, the total length TTL of optical imaging lens
For 4.23mm, the half ImgH of effective pixel area diagonal line length is 3.41mm, optics on the imaging surface S13 of optical imaging lens
It is 2.09 that the maximum angle of half field-of view Semi-FOV of imaging lens, which is 43.4 ° and f-number Fno,.
Table 9 shows the basic parameter table of the optical imaging lens of embodiment 5, wherein radius of curvature, thickness/distance and
The unit of focal length is millimeter (mm).Table 10 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5,
In, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 9
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 2.1434E-02 | 1.4452E-01 | -7.5868E-01 | 2.1759E+00 | -3.6231E+00 | 3.1113E+00 | -1.1193E+00 | 0.0000E+00 | 0.0000E+00 |
| S2 | -1.8288E-01 | 2.7387E-01 | 7.6194E-02 | -1.4543E+00 | 2.8194E+00 | -2.4611E+00 | 7.9015E-01 | 0.0000E+00 | 0.0000E+00 |
| S3 | -2.0747E-01 | 5.4777E-01 | -4.3828E-01 | -7.4818E-02 | -3.2154E-01 | 1.7605E+00 | -1.5109E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -6.7929E-02 | 3.5021E-01 | -1.5761E-01 | -9.7831E-01 | 3.0645E+00 | -3.7043E+00 | 1.9136E+00 | 0.0000E+00 | 0.0000E+00 |
| S5 | -2.0647E-01 | 4.7739E-02 | -9.8545E-01 | 5.5358E+00 | -1.6694E+01 | 2.4530E+01 | -1.1462E+01 | -1.0508E+01 | 1.0730E+01 |
| S6 | -1.7010E-01 | 8.1977E-02 | -8.6975E-01 | 3.0850E+00 | -6.5257E+00 | 8.4033E+00 | -6.4692E+00 | 2.7142E+00 | -4.5936E-01 |
| S7 | 5.8412E-02 | -1.6891E-01 | 2.0987E-01 | -1.9834E-01 | 1.2278E-01 | -5.5390E-02 | 1.9183E-02 | -4.2072E-03 | 3.9854E-04 |
| S8 | 1.5732E-01 | -2.6435E-01 | 3.0469E-01 | -1.9581E-01 | 7.4606E-02 | -1.7302E-02 | 2.3682E-03 | -1.7047E-04 | 4.5863E-06 |
| S9 | -3.3154E-01 | 1.2877E-01 | 2.0965E-02 | -3.0696E-02 | 1.0962E-02 | -2.1009E-03 | 2.3482E-04 | -1.4473E-05 | 3.8200E-07 |
| S10 | -2.0635E-01 | 1.4759E-01 | -7.6614E-02 | 2.7944E-02 | -7.0024E-03 | 1.1517E-03 | -1.1740E-04 | 6.7105E-06 | -1.6429E-07 |
Table 10
Figure 10 A shows chromatic curve on the axis of the optical imaging lens of embodiment 5, indicates the light warp of different wave length
Deviateed by the convergence focus after camera lens.Figure 10 B shows the astigmatism curve of the optical imaging lens of embodiment 5, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imaging lens of embodiment 5, indicates different
The corresponding distortion sizes values of image height.Figure 10 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicates light
Line 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 be realized 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, optical imaging lens by object side to image side sequentially include: diaphragm STO, the first lens E1, second thoroughly
Mirror E2, the third lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have object side S11 and
Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
In this example, total effective focal length f of optical imaging lens is 3.44mm, the total length TTL of optical imaging lens
For 4.23mm, the half ImgH of effective pixel area diagonal line length is 3.41mm, optics on the imaging surface S13 of optical imaging lens
It is 2.09 that the maximum angle of half field-of view Semi-FOV of imaging lens, which is 43.5 ° and f-number Fno,.
Table 11 shows the basic parameter table of the optical imaging lens of embodiment 6, wherein radius of curvature, thickness/distance and
The unit of focal length is millimeter (mm).Table 12 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6,
In, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 11
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 2.0741E-02 | 1.5771E-01 | -8.7953E-01 | 2.6860E+00 | -4.7033E+00 | 4.2602E+00 | -1.6073E+00 | 0.0000E+00 | 0.0000E+00 |
| S2 | -1.7079E-01 | 2.2097E-01 | 2.9182E-01 | -1.9710E+00 | 3.3486E+00 | -2.5893E+00 | 6.9973E-01 | 0.0000E+00 | 0.0000E+00 |
| S3 | -1.9280E-01 | 4.7563E-01 | -1.4631E-01 | -8.3407E-01 | 6.4133E-01 | 1.2197E+00 | -1.4243E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -6.8781E-02 | 3.6298E-01 | -3.7608E-01 | 1.7116E-01 | 1.0381E-02 | 3.1679E-01 | -2.0866E-01 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.9487E-01 | -2.0184E-02 | -2.1034E-01 | 1.6001E+00 | -5.2259E+00 | 5.7588E+00 | 4.0363E+00 | -1.4127E+01 | 9.0964E+00 |
| S6 | -1.6765E-01 | 1.2018E-01 | -1.0450E+00 | 3.7280E+00 | -8.0064E+00 | 1.0572E+01 | -8.4196E+00 | 3.7050E+00 | -6.7966E-01 |
| S7 | 5.3073E-02 | -1.5935E-01 | 1.8673E-01 | -1.6525E-01 | 9.4741E-02 | -4.0576E-02 | 1.3712E-02 | -2.8108E-03 | 2.2698E-04 |
| S8 | 1.5941E-01 | -2.6433E-01 | 2.9340E-01 | -1.7669E-01 | 5.9022E-02 | -1.0072E-02 | 4.2528E-04 | 1.1131E-04 | -1.2490E-05 |
| S9 | -3.2593E-01 | 1.2712E-01 | 1.9194E-02 | -2.9303E-02 | 1.0526E-02 | -2.0264E-03 | 2.2758E-04 | -1.4096E-05 | 3.7382E-07 |
| S10 | -2.0614E-01 | 1.4770E-01 | -7.6406E-02 | 2.7605E-02 | -6.8268E-03 | 1.1063E-03 | -1.1101E-04 | 6.2360E-06 | -1.4966E-07 |
Table 12
Figure 12 A shows chromatic curve on the axis of the optical imaging lens of embodiment 6, indicates the light warp of different wave length
Deviateed by the convergence focus after camera lens.Figure 12 B shows the astigmatism curve of the optical imaging lens of embodiment 6, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imaging lens of embodiment 6, indicates different
The corresponding distortion sizes values of image height.Figure 12 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicates light
Line 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 be realized 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, optical imaging lens by object side to image side sequentially include: diaphragm STO, the first lens E1, second thoroughly
Mirror E2, the third lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, 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 positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have object side S11 and
Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
In this example, total effective focal length f of optical imaging lens is 3.46mm, the total length TTL of optical imaging lens
For 4.23mm, the half ImgH of effective pixel area diagonal line length is 3.41mm, optics on the imaging surface S13 of optical imaging lens
It is 2.09 that the maximum angle of half field-of view Semi-FOV of imaging lens, which is 43.3 ° and f-number Fno,.
Table 13 shows the basic parameter table of the optical imaging lens of embodiment 7, wherein radius of curvature, thickness/distance and
The unit of focal length is millimeter (mm).Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7,
In, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 13
Table 14
Figure 14 A shows chromatic curve on the axis of the optical imaging lens of embodiment 7, indicates the light warp of different wave length
Deviateed by the convergence focus after camera lens.Figure 14 B shows the astigmatism curve of the optical imaging lens of embodiment 7, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imaging lens of embodiment 7, indicates different
The corresponding distortion sizes values of image height.Figure 14 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicates light
Line 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 be realized good image quality.
To sum up, embodiment 1 to embodiment 7 meets relationship shown in table 15 respectively.
| Conditional embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| TTL/ImgH | 1.28 | 1.28 | 1.24 | 1.24 | 1.24 | 1.24 | 1.24 |
| (R8+R10)/(R8-R10) | 0.11 | 0.38 | 0.14 | 0.25 | 0.13 | 0.13 | 0.13 |
| f/f1 | 1.04 | 1.16 | 1.10 | 1.03 | 1.13 | 1.12 | 1.13 |
| R4/f | 1.07 | 1.01 | 0.94 | 0.98 | 0.88 | 0.89 | 0.85 |
| f123/f12 | 0.85 | 0.89 | 0.95 | 0.80 | 1.03 | 1.03 | 0.88 |
| T12/T23 | 0.36 | 0.16 | 0.16 | 0.21 | 0.15 | 0.15 | 0.23 |
| |f/f4|+|f/f5| | 3.22 | 2.32 | 3.05 | 2.97 | 2.95 | 2.95 | 3.01 |
| |SAG41/CT4| | 0.63 | 0.45 | 0.46 | 0.41 | 0.44 | 0.44 | 0.53 |
| EPD/ΣAT | 1.65 | 1.43 | 1.51 | 1.29 | 1.41 | 1.43 | 1.52 |
| (CT4+CT5)/(T34+T45) | 1.71 | 1.15 | 1.25 | 1.05 | 1.19 | 1.21 | 1.26 |
| ET1/DT11 | 0.39 | 0.29 | 0.36 | 0.37 | 0.36 | 0.36 | 0.36 |
| (f/EPD)/ImgH | 0.59 | 0.61 | 0.61 | 0.61 | 0.61 | 0.61 | 0.61 |
Table 15
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 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.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 (10)
1. optical imaging lens, which is characterized in that sequentially include: by object side to image side along optical axis
The first lens with positive light coke；
The second lens with focal power, image side surface are concave surface；
The third lens with focal power；
The 4th lens with positive light coke, image side surface are convex surface；
The 5th lens with negative power, object side are convex surface, and image side surface is concave surface；
Wherein, the object side of first lens to the optical imaging lens distance TTL of the imaging surface on the optical axis
Meet with the half ImgH of effective pixel area diagonal line length on the imaging surface of the optical imaging lens: TTL/ImgH≤1.3.
2. optical imaging lens according to claim 1, which is characterized in that the curvature of the image side surface of the 4th lens half
The radius of curvature R 10 of the image side surface of diameter R8 and the 5th lens meets: 0.1 < (R8+R10)/(R8-R10) < 0.5.
3. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens
The effective focal length f1 of f and first lens meets: f/f1 > 1.0.
4. optical imaging lens according to claim 1, which is characterized in that the curvature of the image side surface of second lens half
Total effective focal length f of diameter R4 and the optical imaging lens meets: 0.6 < R4/f < 1.2.
5. optical imaging lens according to claim 1, which is characterized in that first lens, second lens and
The combined focal length f12 of the combined focal length f123 of the third lens and first lens and second lens meets: 0.5 <
F123/f12 < 1.3.
6. optical imaging lens according to claim 1, which is characterized in that first lens and second lens exist
Spacing distance T12 and the spacing distance T23 of second lens and the third lens on the optical axis on the optical axis
Meet: 0.1 < T12/T23 < 0.6.
7. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens
F, the effective focal length f5 of the effective focal length f4 of the 4th lens and the 5th lens meets: 2.0 < | f/f4 |+| f/f5 | <
3.5。
8. optical imaging lens according to claim 1, which is characterized in that the object side of the 4th lens and the light
The intersection point of axis between the effective radius vertex of the object side of the 4th lens on the optical axis distance SAG41 with it is described
Center thickness CT4 of 4th lens on the optical axis meets: 0.2 < | SAG41/CT4 | < 0.8.
9. optical imaging lens according to claim 1, which is characterized in that the Entry pupil diameters of the optical imaging lens
The summation Σ AT of the spacing distance of EPD and first lens into the 5th lens between adjacent lens on the optical axis
Meet: 1.2 < EPD/ Σ AT < 1.8.
10. optical imaging lens, which is characterized in that sequentially include: by object side to image side along optical axis
The first lens with positive light coke；
The second lens with focal power, image side surface are concave surface；
The third lens with focal power；
The 4th lens with positive light coke, image side surface are convex surface；
The 5th lens with negative power, object side are convex surface, and image side surface is concave surface；
Wherein, the Entry pupil diameters EPD of the optical imaging lens and first lens adjacent lens into the 5th lens
Between the summation Σ AT of spacing distance on the optical axis meet: 1.2 < EPD/ Σ AT < 1.8.
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