CN107656358A - Optical lens - Google Patents
Optical lens Download PDFInfo
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- CN107656358A CN107656358A CN201711089909.9A CN201711089909A CN107656358A CN 107656358 A CN107656358 A CN 107656358A CN 201711089909 A CN201711089909 A CN 201711089909A CN 107656358 A CN107656358 A CN 107656358A
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- Prior art keywords
- lens
- optical
- image side
- optical lens
- focal length
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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
- 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
Abstract
This application discloses a kind of optical lens, the camera lens is sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.Wherein, the first lens have positive light coke；Second lens have negative power；3rd lens have positive light coke；4th lens have positive light coke or negative power, and its image side surface is convex surface；5th lens have negative power；And wherein, the first lens, the second lens, the spacing distance T45 of combined focal length f1234 and the 4th lens and the 5th lens on optical axis of the 3rd lens and the 4th lens meet f1234/T45 ＜ 4.0.
Description
Technical field
The application is related to a kind of optical lens, more specifically, the application is related to a kind of optical lens for including five lens.
Background technology
With the continuous development of the portable type electronic product such as smart mobile phone, double applications for taking the photograph technology are increasingly popularized.
Taken the photograph double in camera lens, be commonly configured with a telephoto lens.In order to meet the gradual to super-thin small of portable type electronic product
The development trend in direction, higher and higher requirement is it is also proposed to the telephoto lens, it is necessary to expire while with focal length characteristic
Sufficient small form factor requirements.
The content of the invention
This application provides be applicable to portable type electronic product, can at least solve or part solve it is of the prior art
The optical lens of above-mentioned at least one shortcoming, for example, telephoto lens.
On the one hand, this application provides such a optical lens, the camera lens sequentially to be wrapped along optical axis by thing side to image side
Include：First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.Wherein, the first lens can have positive light coke；
Second lens can have negative power；3rd lens can have positive light coke；4th lens have positive light coke or negative power,
Its image side surface can be convex surface；5th lens can have negative power；And first lens, the second lens, the 3rd lens and the 4th
The spacing distance T45 of combined focal length f1234 and the 4th lens and the 5th lens on optical axis of lens can meet f1234/T45 ＜
4.0。
In one embodiment, the Entry pupil diameters EPD of optical lens and effective pixel area on optical lens imaging surface
The half ImgH of diagonal line length can meet EPD/ImgH≤0.7.
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens can meet -1.0
≤f1/f2≤-0.5。
In one embodiment, the effective focal length f3 of the 3rd lens and the effective focal length f5 of the 5th lens can meet -4.0
＜ f3/f5 ＜ -1.5.
In one embodiment, the radius of curvature R 8 of the 4th lens image side surface and the effective focal length f5 of the 5th lens can expire
Foot 0.2≤R8/f5≤0.8.
In one embodiment, between the effective focal length f5 of the 5th lens and the 4th lens and the 5th lens are on optical axis
Gauge can meet -5.5 ＜ f5/T45 ＜ -3.5 from T45.
In one embodiment, the radius of curvature of the lens image side surface of radius of curvature R 1 and second of the first lens thing side
R4 can meet 0≤R1/R4≤0.6.
In one embodiment, the radius of curvature of the lens image side surface of radius of curvature R 7 and the 5th of the 4th lens thing side
R10 can meet -0.7≤R7/R10≤- 0.2.
In one embodiment, incident angle β 5 of maximum field of view's glazed thread on the 5th lens image side surface can meet 3 ° of ＜
16 ° of 5 ＜ of β.
In one embodiment, maximum effective half bore DT8 of the 4th lens image side surface and the 5th lens thing side
Maximum effective half bore DT9 can meet 0.4≤DT8/DT9≤0.8.
In one embodiment, total effective focal length f of the optics total length TTL of optical lens and optical lens can meet
TTL/f≤1.0。
On the other hand, this application provides such a optical lens, the camera lens along optical axis by thing side to image side sequentially
Including：First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.Wherein, the first lens can have positive light focus
Degree；Second lens can have negative power；3rd lens can have positive light coke；4th lens have positive light coke or negative light focus
Degree, its image side surface can be convex surface；5th lens can have negative power；And maximum field of view's glazed thread is in the 5th lens image side surface
On incident angle β 5 can meet 3 ° of 16 ° of 5 ＜ of ＜ β.
The application employs multi-disc (for example, five) lens, by each power of lens of reasonable distribution, face type, each
Spacing etc. on axle between the center thickness of mirror and each lens so that above-mentioned optical lens have ultra-thin, miniaturization, focal length,
At least one beneficial effects such as low sensitivity, high image quality.
Brief description of the drawings
With reference to accompanying drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings：
Fig. 1 shows the structural representation of the optical lens according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axle of the optical lens of embodiment 1, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 3 shows the structural representation of the optical lens according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axle of the optical lens of embodiment 2, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 5 shows the structural representation of the optical lens according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axle of the optical lens of embodiment 3, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 7 shows the structural representation of the optical lens according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axle of the optical lens of embodiment 4, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 9 shows the structural representation of the optical lens according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axle of the optical lens of embodiment 5, astigmatism curve, distortion song
Line and ratio chromatism, curve；
Figure 11 shows the structural representation of the optical lens according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axle of the optical lens of embodiment 6, astigmatism curve, distortion song
Line and ratio chromatism, curve；
Figure 13 shows the structural representation of the optical lens according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axle of the optical lens of embodiment 7, astigmatism curve, distortion song
Line and ratio chromatism, curve；
Figure 15 diagrammatically illustrates incident angle β 5 of maximum field of view's glazed thread on the 5th lens image side surface.
Embodiment
In order to more fully understand the application, refer to the attached drawing is made into more detailed description to the various aspects of the application.Should
Understand, these describe the description of the simply illustrative embodiments to the application in detail, rather than limit the application in any way
Scope.In the specification, identical reference numbers identical element.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in this manual, the statement of first, second, third, etc. is only used for a feature and another spy
Sign makes a distinction, and does not indicate that any restrictions to feature.Therefore, in the case of without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the 3rd lens.
In the accompanying drawings, for convenience of description, thickness, the size and dimension of lens are somewhat exaggerated.Specifically, accompanying drawing
Shown in sphere or aspherical shape be illustrated by way of example.That is, sphere or aspherical shape is not limited to accompanying drawing
In the sphere that shows or aspherical shape.Accompanying drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define the convex surface position
When putting, then it represents that the lens surface is extremely convex surface less than near axis area；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is extremely concave surface less than near axis area.It is referred to as thing side near the surface of object in each lens,
It is referred to as image side surface near the surface of imaging surface in each lens.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
Represent stated feature, element and/or part be present when being used in bright book, but do not preclude the presence or addition of one or more
Further feature, element, part and/or combinations thereof.In addition, ought the statement of such as " ... at least one " appear in institute
When after the list of row feature, whole listed feature, rather than the individual component in modification list are modified.In addition, work as description originally
During the embodiment of application, represented " one or more embodiments of the application " using "available".Also, term " exemplary "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with
The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and
It will not explained with idealization or excessively formal sense, unless clearly so limiting herein.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Such as five lens with focal power may include according to the optical lens of the application illustrative embodiments, i.e.
First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.This five lens are along optical axis by thing side to image side
Sequential.
In the exemplary embodiment, the first lens can have positive light coke；Second lens can have negative power；3rd
Lens can have positive light coke；4th lens have positive light coke or negative power, and its image side surface is convex surface；5th lens can have
There is negative power.
In the exemplary embodiment, at least one in the thing side and image side surface of the first lens is convex surface.It is optional
Ground, the thing side of the first lens can be convex surface.
In the exemplary embodiment, at least one in the thing side and image side surface of the second lens is concave surface.It is optional
Ground, the image side surface of the second lens can be concave surface.
In the exemplary embodiment, the thing side of the 4th lens can be concave surface, and image side surface can be convex surface.
In the exemplary embodiment, at least one in the thing side and image side surface of the 5th lens is concave surface.It is optional
Ground, the image side surface of the 5th lens can be concave surface.
In the exemplary embodiment, the optical lens of the application can meet conditional EPD/ImgH≤0.7, wherein, EPD
For the Entry pupil diameters of optical lens, ImgH is the half of effective pixel area diagonal line length on optical lens imaging surface.More specifically
Ground, EPD and ImgH can further meet 0.60≤EPD/ImgH≤0.68.Meet conditional EPD/ImgH≤0.7, be advantageous to
On the basis of ensureing focal length systematic function, front end bore is reduced, realizes that front end minimizes.
In the exemplary embodiment, the optical lens of the application can meet conditional f1234/T45 ＜ 4.0, wherein,
F1234 is the combined focal length of the first lens, the second lens, the 3rd lens and the 4th lens, and T45 is the 4th lens and the 5th lens
Spacing distance on optical axis.More specifically, f1234 and T45 can further meet 2.8 ＜ f1234/T45 ＜ 4.0, for example,
2.92≤f1234/T45≤3.85.Each power of lens of reasonable distribution, be advantageous to be lifted the optical property of camera lens.Meet bar
Part formula f1234/T45 ＜ 4.0, it is also beneficial on the basis of focal length systematic function is ensured, reduces front end bore, realize that front end is small
Type.
In the exemplary embodiment, the optical lens of the application can meet conditional TTL/f≤1.0, wherein, TTL is
Optical lens optics total length (that is, from the center of the thing side of the first lens to optical lens imaging surface on optical axis away from
From), f is total effective focal length of optical lens.More specifically, TTL and f can further meet 0.95≤TTL/f≤0.98.Meet
Conditional TTL/f≤1.0, it can be ensured that camera lens keeps minimizing feature while focal length characteristic is met.
In the exemplary embodiment, the optical lens of the application can meet the ＜ f5/T45 of conditional -5.5 ＜ -3.5, its
In, f5 is the effective focal length of the 5th lens, and T45 is the spacing distance of the 4th lens and the 5th lens on optical axis.More specifically,
F5 and T45 can further meet -5.2 ＜ f5/T45 ＜ -3.7, for example, -5.17≤f5/T45≤- 3.71.Reasonable Arrangement f5 and
T45, can the effectively curvature of field of corrective lens and optical distortion.
In the exemplary embodiment, the optical lens of the application can meet conditional -1.0≤f1/f2≤- 0.5, its
In, f1 is the effective focal length of the first lens, and f2 is the effective focal length of the second lens.More specifically, f1 and f2 can further meet-
0.75≤f1/f2≤- 0.55, for example, -0.70≤f1/f2≤- 0.59.The lens of reasonable distribution first and the second lens it is effective
Focal length, it can effectively reduce the sensitiveness of camera lens.
In the exemplary embodiment, the optical lens of the application can meet the ＜ f3/f5 of conditional -4.0 ＜ -1.5, its
In, f3 is the effective focal length of the 3rd lens, and f5 is the effective focal length of the 5th lens.More specifically, f3 and f5 can further meet-
3.8 ＜ f3/f5 ＜ -1.7, for example, -3.72≤f3/f5≤- 1.74.Effective Jiao of the lens of reasonable distribution the 3rd and the 5th lens
Away from advantageously reducing the aberration of camera lens, lift the optical property of camera lens.
In the exemplary embodiment, the optical lens of the application can meet conditional 0.2≤R8/f5≤0.8, wherein,
R8 is the radius of curvature of the image side surface of the 4th lens, and f5 is the effective focal length of the 5th lens.More specifically, R8 and f5 further may be used
Meet 0.22≤R8/f5≤0.77.Reasonable Arrangement R8 and f5, the coma of camera lens can be effectively reduced, lift the optical property of camera lens.
In the exemplary embodiment, the optical lens of the application can meet conditional -0.7≤R7/R10≤- 0.2, its
In, R7 is the radius of curvature of the thing side of the 4th lens, and R10 is the radius of curvature of the image side surface of the 5th lens.More specifically, R7
It can further meet -0.63≤R7/R10≤- 0.27 with R10.Reasonable Arrangement R7 and R10, be advantageous to the key light of camera lens and chip
Line angle degree (CRA) preferably matches.
In the exemplary embodiment, the optical lens of the application can meet conditional 0≤R1/R4≤0.6, wherein, R1
For the radius of curvature of the thing side of the first lens, R4 is the radius of curvature of the image side surface of the second lens.More specifically, R1 and R4 enter
One step can meet 0.17≤R1/R4≤0.52.Reasonable Arrangement R1 and R4, the spherical aberration of camera lens is advantageously reduced, lift the light of camera lens
Learn performance.
In the exemplary embodiment, the optical lens of the application can meet conditional 0.4≤DT8/DT9≤0.8, its
In, DT8 is maximum effective half bore of the image side surface of the 4th lens, and DT9 is maximum effective half mouthful of the thing side of the 5th lens
Footpath.More specifically, DT8 and DT9 can further meet 0.50≤DT8/DT9≤0.75, for example, 0.54≤DT8/DT9≤0.70.
Meet conditional 0.4≤DT8/DT9≤0.8, can effectively reduce the bore of the 4th lens, and then realize the small-sized of camera lens front end
Change.
In the exemplary embodiment, the optical lens of the application can meet 16 ° of 3 ° of ＜ β of conditional, 5 ＜, wherein, β 5 is
Incidence angle (shown in Figure 15) of maximum field of view's glazed thread on the image side surface of the 5th lens.More specifically, β 5 further may be used
Meet 5≤15.0 ° of 3.8 °≤β.Meet 16 ° of 3 ° of ＜ β of conditional, 5 ＜, be advantageous to be lifted the relative luminance of imaging system, it is also favourable
In ghost image caused by the 5th lens of decrease.
In the exemplary embodiment, above-mentioned optical lens may also include at least one diaphragm, to lift the imaging of camera lens
Quality.Diaphragm can be arranged as required to locate at an arbitrary position, for example, diaphragm may be provided between thing side and the first lens.
Alternatively, above-mentioned optical lens may also include the optical filter for correcting color error ratio and/or be located at for protecting
The protective glass of photo-sensitive cell on imaging surface.
Multi-disc eyeglass, such as described above five can be used according to the optical lens of the above-mentioned embodiment of the application.
, can by spacing on the axle between each power of lens of reasonable distribution, face type, the center thickness of each lens and each lens etc.
The volume of camera lens is effectively reduced, the susceptibility of camera lens is reduced and improves the machinability of camera lens so that optical lens is more favourable
In producing and processing and be applicable to portable type electronic product.Meanwhile by the optical lens of above-mentioned configuration, also have for example super
The beneficial effects such as thin, focal length, high image quality.
In presently filed embodiment, the minute surface of each lens is aspherical mirror.The characteristics of non-spherical lens is：From
Lens centre to lens perimeter, curvature be consecutive variations.With having the sphere of constant curvature from lens centre to lens perimeter
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.
However, it will be understood by those of skill in the art that without departing from this application claims technical scheme situation
Under, the lens numbers for forming optical lens can be changed, to obtain each result and advantage described in this specification.Though for example,
So it is described in embodiments by taking five lens as an example, but the optical lens is not limited to include five lens.If
Need, the optical lens may also include the lens of other quantity.
Embodiment 1
Optical lens referring to Fig. 1 to Fig. 2 D descriptions according to the embodiment of the present application 1.Fig. 1 is shown according to the application
The structural representation of the optical lens of embodiment 1.
As shown in figure 1, sequentially wrapped by thing side to image side along optical axis according to the optical lens of the application illustrative embodiments
Include：Diaphragm STO, the first lens E1, the second lens E2, the 3rd 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 its thing side S1 is convex surface, and image side surface S2 is convex surface；Second lens E2 has
Negative power, its thing side S3 are concave surface, and image side surface S4 is concave surface；3rd lens E3 has positive light coke, and its thing side S5 is
Concave surface, image side surface S6 are convex surface；4th lens E4 has negative power, and its thing side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface.Optical filter E6 have thing side S11 and
Image side surface S12.Light from object sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 1 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the optical lens of embodiment 1
Coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 1
As shown in Table 1, the thing side of any one lens in the first lens E1 to the 5th lens E5 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 h position, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse)；K be circular cone coefficient (
Provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.Table 2 below is given available for each aspherical in embodiment 1
Minute surface S1-S10 high order term coefficient A4、A6、A8、A10、A12、A14And A16。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 1.7077E-02 | -9.6800E-03 | 6.7702E-02 | -1.4894E-01 | 1.6452E-01 | -8.9140E-02 | 1.1413E-02 |
| S2 | -3.4990E-02 | 6.7739E-02 | -5.1480E-02 | -8.5010E-02 | 1.9822E-01 | -1.7186E-01 | 5.5561E-02 |
| S3 | -8.1040E-02 | 3.9660E-01 | -6.8659E-01 | 7.4950E-01 | -4.0493E-01 | 3.8703E-02 | 5.6508E-02 |
| S4 | 1.7158E-02 | 2.6393E-01 | -4.9050E-01 | 5.8167E-01 | -2.6216E-01 | -9.1040E-02 | 1.4157E-01 |
| S5 | -1.6265E-01 | -3.4600E-03 | 1.0759E-02 | -6.5280E-01 | 1.2957E+00 | -9.5116E-01 | 2.3126E-01 |
| S6 | -1.5834E-01 | 7.7674E-02 | -7.3000E-03 | -2.4104E-01 | 6.6730E-01 | -7.2448E-01 | 2.9558E-01 |
| S7 | -5.0239E-01 | 1.4528E+00 | -2.1825E+00 | 2.6119E+00 | -2.3168E+00 | 1.1718E+00 | -2.3898E-01 |
| S8 | -2.0988E-01 | 6.2201E-01 | -5.6535E-01 | 2.8572E-01 | -1.0508E-01 | 3.0455E-02 | -4.7600E-03 |
| S9 | -1.2545E-01 | 8.1757E-02 | -3.9550E-02 | 1.2366E-02 | -2.2100E-03 | 2.0900E-04 | -8.1000E-06 |
| S10 | -9.4640E-02 | 5.0077E-02 | -2.1250E-02 | 5.6940E-03 | -9.4000E-04 | 8.6600E-05 | -3.4000E-06 |
Table 2
Table 3 provides total effective focal length f of optical lens, effective focal length f1 to f5, the optical lens of each lens in embodiment 1
Optics total length TTL (that is, the distance from the first lens E1 thing side S1 center to imaging surface S13 on optical axis) and
The maximum angle of half field-of view HFOV of optical lens.
Table 3
Optical lens in embodiment 1 meets：
EPD/ImgH=0.62, wherein, EPD is the Entry pupil diameters of optical lens, and ImgH is to have on optical lens imaging surface
Imitate the half of pixel region diagonal line length；
F1234/T45=2.92, wherein, f1234 is the first lens E1, the second lens E2, the 3rd lens E3 and the 4th are saturating
Mirror E4 combined focal length, T45 are spacing distances of the 4th lens E4 and the 5th lens E5 on optical axis；
TTL/f=0.97, wherein, TTL is the optics total length of optical lens, and f is total effective focal length of optical lens；
F5/T45=-3.71, wherein, f5 is the 5th lens E5 effective focal length, and T45 is the 4th lens E4 and the 5th lens
Spacing distances of the E5 on optical axis；
F1/f2=-0.61, wherein, f1 is the first lens E1 effective focal length, and f2 is the second lens E2 effective focal length；
F3/f5=-2.03, wherein, f3 is the 3rd lens E3 effective focal length, and f5 is the 5th lens E5 effective focal length；
R8/f5=0.24, wherein, R8 is the 4th lens E4 image side surface S8 radius of curvature, and f5 is the 5th lens E5's
Effective focal length；
R7/R10=-0.27, wherein, R7 is the 4th lens E4 thing side S7 radius of curvature, and R10 is the 5th lens E5
Image side surface S10 radius of curvature；
R1/R4=0.23, wherein, R1 is the first lens E1 thing side S1 radius of curvature, and R4 is the second lens E2's
Image side surface S4 radius of curvature；
DT8/DT9=0.54, wherein, DT8 is the 4th lens E4 image side surface S8 maximum effective half bore, DT9 the
Five lens E5 thing side S9 maximum effective half bore；
β 5=9.8 °, wherein, β 5 is incidence angle of maximum field of view's glazed thread on the 5th lens E5 image side surface S10.
In addition, Fig. 2A shows chromatic curve on the axle of the optical lens of embodiment 1, it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 2 B show the astigmatism curve of the optical lens of embodiment 1, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Fig. 2 C show the distortion curve of the optical lens of embodiment 1, and it is represented in the case of different visual angles
Distort sizes values.Fig. 2 D show the ratio chromatism, curve of the optical lens of embodiment 1, its represent light via after camera lens into
The deviation of different image heights in image planes.Understand that the optical lens given by embodiment 1 can be realized good according to Fig. 2A to Fig. 2 D
Good image quality.
Embodiment 2
Optical lens referring to Fig. 3 to Fig. 4 D descriptions according to 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 the light according to the embodiment of the present application 2
Learn the structural representation of camera lens.
As shown in figure 3, sequentially wrapped by thing side to image side along optical axis according to the optical lens of the application illustrative embodiments
Include：Diaphragm STO, the first lens E1, the second lens E2, the 3rd 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 its thing side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, its thing side S3 are concave surface, and image side surface S4 is concave surface；3rd lens E3 has positive light coke, and its thing side S5 is
Convex surface, image side surface S6 are convex surface；4th lens E4 has negative power, and its thing side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface.Optical filter E6 have thing side S11 and
Image side surface S12.Light from object sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 4 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the optical lens of embodiment 2
Coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 4
As shown in Table 4, in example 2, the thing side of any one lens in the first lens E1 to the 5th lens E5
It is aspherical with image side surface.Table 5 shows the high order term coefficient available for each aspherical mirror in embodiment 2, wherein, it is 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 | 2.2420E-03 | 4.2171E-02 | -2.3071E-01 | 6.9742E-01 | -1.2066E+00 | 1.1687E+00 | -5.9075E-01 | 1.1622E-01 | 0.0000E+00 |
| S2 | -8.7570E-02 | 6.7941E-02 | 3.8055E-01 | -2.0867E+00 | 5.5534E+00 | -8.7588E+00 | 8.1051E+00 | -4.0629E+00 | 8.5017E-01 |
| S3 | -1.0475E-01 | 2.6910E-01 | 1.1504E+00 | -7.8760E+00 | 2.3881E+01 | -4.2983E+01 | 4.6317E+01 | -2.7482E+01 | 6.8940E+00 |
| S4 | 2.6408E-02 | 4.9406E-01 | -1.3456E+00 | 4.6274E+00 | -1.0601E+01 | 1.1700E+01 | 2.3198E-01 | -1.1801E+01 | 7.3028E+00 |
| S5 | -1.3101E-01 | 7.9463E-02 | -1.7310E-02 | 1.8826E-01 | -4.2896E-01 | 5.6508E-01 | -5.1071E-01 | 2.9044E-01 | -7.1690E-02 |
| S6 | -1.5669E-01 | 1.2166E-01 | -4.2000E-03 | -2.1650E-01 | 8.8904E-01 | -1.6701E+00 | 1.6457E+00 | -8.4412E-01 | 1.8068E-01 |
| S7 | -4.8330E-02 | 1.2665E-02 | 5.2128E-01 | -1.2270E+00 | 1.6008E+00 | -1.4292E+00 | 8.4814E-01 | -2.9801E-01 | 4.6348E-02 |
| S8 | 2.9198E-02 | -1.1070E-02 | 2.9141E-01 | -5.4261E-01 | 4.9982E-01 | -2.8028E-01 | 9.6836E-02 | -1.8850E-02 | 1.5720E-03 |
| S9 | -1.7566E-01 | 1.3782E-01 | -6.4970E-02 | 1.2190E-02 | 3.2090E-03 | -2.1700E-03 | 4.6400E-04 | -4.6000E-05 | 1.7500E-06 |
| S10 | -1.9095E-01 | 1.4342E-01 | -8.5950E-02 | 3.6785E-02 | -1.1330E-02 | 2.4300E-03 | -3.4000E-04 | 2.8200E-05 | -1.0000E-06 |
Table 5
Table 6 shows total effective focal length f of optical lens, effective focal length f1 to f5, the optical frames of each lens in embodiment 2
The optics total length TTL of the head and maximum angle of half field-of view HFOV of optical lens.
| f1(mm) | 2.75 | f(mm) | 5.57 |
| f2(mm) | -3.90 | TTL(mm) | 5.28 |
| f3(mm) | 11.25 | HFOV(°) | 30.8 |
| f4(mm) | -220.30 | ||
| f5(mm) | -4.71 |
Table 6
Fig. 4 A show chromatic curve on the axle of the optical lens of embodiment 2, and it represents the light of different wave length via mirror
Converging focal point after head deviates.Fig. 4 B show the astigmatism curve of the optical lens of embodiment 2, its represent meridianal image surface bending and
Sagittal image surface is bent.Fig. 4 C show the distortion curve of the optical lens of embodiment 2, and it represents the distortion in the case of different visual angles
Sizes values.Fig. 4 D show the ratio chromatism, curve of the optical lens of embodiment 2, its represent light via after camera lens in imaging surface
On different image heights deviation.Understand that the optical lens given by embodiment 2 can be realized good according to Fig. 4 A to Fig. 4 D
Image quality.
Embodiment 3
The optical 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 optical lens structural representation.
As shown in figure 5, sequentially wrapped by thing side to image side along optical axis according to the optical lens of the application illustrative embodiments
Include：Diaphragm STO, the first lens E1, the second lens E2, the 3rd 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 its thing side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, its thing side S3 are concave surface, and image side surface S4 is concave surface；3rd lens E3 has positive light coke, and its thing side S5 is
Concave surface, image side surface S6 are convex surface；4th lens E4 has negative power, and its thing side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface.Optical filter E6 have thing side S11 and
Image side surface S12.Light from object sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 7 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the optical lens of embodiment 3
Coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the thing side of any one lens in the first lens E1 to the 5th lens E5
It is aspherical with image side surface.Table 8 shows the high order term coefficient available for each aspherical mirror in embodiment 3, wherein, it is 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 | 1.5849E-02 | -2.6480E-02 | 2.4680E-01 | -1.0125E+00 | 2.4614E+00 | -3.5996E+00 | 3.0937E+00 | -1.4344E+00 | 2.7321E-01 |
| S2 | -7.0800E-03 | 1.3181E-02 | 1.9910E-02 | -1.0599E-01 | 1.3769E-01 | -8.3710E-02 | 1.3754E-02 | 0.0000E+00 | 0.0000E+00 |
| S3 | -3.4670E-02 | 1.7966E-01 | -2.2917E-01 | 1.2576E-01 | 1.2335E-01 | -2.1972E-01 | 9.4425E-02 | 0.0000E+00 | 0.0000E+00 |
| S4 | 3.6629E-02 | 1.3671E-01 | -2.9418E-01 | 8.3882E-01 | -1.5444E+00 | 1.6875E+00 | -7.1581E-01 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.3809E-01 | 2.2653E-02 | -3.0066E-01 | 1.9450E+00 | -8.4244E+00 | 2.1888E+01 | -3.2871E+01 | 2.6693E+01 | -9.1382E+00 |
| S6 | -1.4813E-01 | 8.3120E-03 | 3.6207E-01 | -1.1100E+00 | 2.1828E+00 | -2.8175E+00 | 2.2974E+00 | -1.0633E+00 | 2.1134E-01 |
| S7 | -4.3910E-01 | 1.1380E+00 | -9.9606E-01 | -2.9697E-01 | 1.7718E+00 | -2.2055E+00 | 1.4841E+00 | -5.5272E-01 | 9.0027E-02 |
| S8 | -2.0355E-01 | 6.0167E-01 | -2.9976E-01 | -5.2190E-01 | 9.9964E-01 | -8.0080E-01 | 3.5574E-01 | -8.5420E-02 | 8.6750E-03 |
| S9 | -1.4801E-01 | 1.2011E-01 | -7.7530E-02 | 3.4696E-02 | -1.0140E-02 | 1.9420E-03 | -2.4000E-04 | 1.7400E-05 | -5.7000E-07 |
| S10 | -1.0507E-01 | 7.0359E-02 | -4.2130E-02 | 1.7732E-02 | -5.2100E-03 | 1.0390E-03 | -1.3000E-04 | 9.9400E-06 | -3.2000E-07 |
Table 8
Table 9 shows total effective focal length f of optical lens, effective focal length f1 to f5, the optical frames of each lens in embodiment 3
The optics total length TTL of the head and maximum angle of half field-of view HFOV of optical lens.
| f1(mm) | 2.59 | f(mm) | 5.40 |
| f2(mm) | -4.30 | TTL(mm) | 5.30 |
| f3(mm) | 16.29 | HFOV(°) | 31.5 |
| f4(mm) | -42.01 | ||
| f5(mm) | -6.08 |
Table 9
Fig. 6 A show chromatic curve on the axle of the optical lens of embodiment 3, and it represents the light of different wave length via mirror
Converging focal point after head deviates.Fig. 6 B show the astigmatism curve of the optical lens of embodiment 3, its represent meridianal image surface bending and
Sagittal image surface is bent.Fig. 6 C show the distortion curve of the optical lens of embodiment 3, and it represents the distortion in the case of different visual angles
Sizes values.Fig. 6 D show the ratio chromatism, curve of the optical lens of embodiment 3, its represent light via after camera lens in imaging surface
On different image heights deviation.Understand that the optical lens given by embodiment 3 can be realized good according to Fig. 6 A to Fig. 6 D
Image quality.
Embodiment 4
The optical 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 optical lens structural representation.
As shown in fig. 7, sequentially wrapped by thing side to image side along optical axis according to the optical lens of the application illustrative embodiments
Include：Diaphragm STO, the first lens E1, the second lens E2, the 3rd 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 its thing side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, its thing side S3 are concave surface, and image side surface S4 is concave surface；3rd lens E3 has positive light coke, and its thing side S5 is
Concave surface, image side surface S6 are convex surface；4th lens E4 has positive light coke, and its thing side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface.Optical filter E6 have thing side S11 and
Image side surface S12.Light from object sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 10 shows surface type, radius of curvature, thickness, material and the circle of each lens of the optical lens of embodiment 4
Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 10
As shown in Table 10, in example 4, the thing side of any one lens in the first lens E1 to the 5th lens E5
It is aspherical with image side surface.Table 11 shows the high order term coefficient available for each aspherical mirror in embodiment 4, wherein, respectively
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 | 1.6462E-02 | -1.4250E-02 | 1.5947E-01 | -6.6048E-01 | 1.6396E+00 | -2.4613E+00 | 2.1782E+00 | -1.0462E+00 | 2.0733E-01 |
| S2 | -4.6800E-03 | 1.3068E-02 | 7.7600E-04 | -5.6900E-02 | 8.8613E-02 | -6.8750E-02 | 2.0633E-02 | 0.0000E+00 | 0.0000E+00 |
| S3 | -4.3770E-02 | 2.4409E-01 | -4.2033E-01 | 4.9045E-01 | -2.8448E-01 | 3.3808E-02 | 4.0299E-02 | 0.0000E+00 | 0.0000E+00 |
| S4 | 5.8429E-02 | 7.9563E-02 | -1.1539E-01 | 1.7540E-01 | -7.4560E-02 | -1.3110E-02 | 9.1188E-02 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.6733E-01 | -3.4600E-02 | 1.0202E-01 | -7.8385E-01 | 7.9966E-01 | 3.5380E+00 | -1.0779E+01 | 1.1878E+01 | -4.8964E+00 |
| S6 | -1.7162E-01 | -2.2520E-02 | 4.4852E-01 | -1.1230E+00 | 1.7288E+00 | -1.6661E+00 | 1.0070E+00 | -3.4804E-01 | 5.1819E-02 |
| S7 | -4.7349E-01 | 1.1763E+00 | -7.0749E-01 | -9.5579E-01 | 2.2366E+00 | -2.0343E+00 | 1.0025E+00 | -2.5980E-01 | 2.7223E-02 |
| S8 | -1.9458E-01 | 5.0202E-01 | 1.4241E-01 | -1.2772E+00 | 1.6973E+00 | -1.1795E+00 | 4.7508E-01 | -1.0510E-01 | 9.9020E-03 |
| S9 | -1.5418E-01 | 1.2891E-01 | -8.1250E-02 | 3.4643E-02 | -9.8000E-03 | 1.8670E-03 | -2.3000E-04 | 1.7500E-05 | -5.9000E-07 |
| S10 | -1.1004E-01 | 7.6736E-02 | -4.4880E-02 | 1.8191E-02 | -5.1900E-03 | 1.0190E-03 | -1.3000E-04 | 9.7800E-06 | -3.2000E-07 |
Table 11
Table 12 shows total effective focal length f of optical lens, effective focal length f1 to f5, the optics of each lens in embodiment 4
The optics total length TTL of the camera lens and maximum angle of half field-of view HFOV of optical lens.
| f1(mm) | 2.60 | f(mm) | 5.40 |
| f2(mm) | -4.39 | TTL(mm) | 5.30 |
| f3(mm) | 22.00 | HFOV(°) | 31.5 |
| f4(mm) | 5486.50 | ||
| f5(mm) | -5.91 |
Table 12
Fig. 8 A show chromatic curve on the axle of the optical lens of embodiment 4, and it represents the light of different wave length via mirror
Converging focal point after head deviates.Fig. 8 B show the astigmatism curve of the optical lens of embodiment 4, its represent meridianal image surface bending and
Sagittal image surface is bent.Fig. 8 C show the distortion curve of the optical lens of embodiment 4, and it represents the distortion in the case of different visual angles
Sizes values.Fig. 8 D show the ratio chromatism, curve of the optical lens of embodiment 4, its represent light via after camera lens in imaging surface
On different image heights deviation.Understand that the optical lens given by embodiment 4 can be realized good according to Fig. 8 A to Fig. 8 D
Image quality.
Embodiment 5
The optical 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 optical lens structural representation.
As shown in figure 9, sequentially wrapped by thing side to image side along optical axis according to the optical lens of the application illustrative embodiments
Include：Diaphragm STO, the first lens E1, the second lens E2, the 3rd 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 its thing side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, its thing side S3 are convex surface, and image side surface S4 is concave surface；3rd lens E3 has positive light coke, and its thing side S5 is
Concave surface, image side surface S6 are convex surface；4th lens E4 has negative power, and its thing side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface.Optical filter E6 have thing side S11 and
Image side surface S12.Light from object sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 13 shows surface type, radius of curvature, thickness, material and the circle of each lens of the optical lens of embodiment 5
Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the thing side of any one lens in the first lens E1 to the 5th lens E5
It is aspherical with image side surface.Table 14 shows the high order term coefficient available for each aspherical mirror in embodiment 5, wherein, respectively
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 | 1.5617E-02 | -1.2660E-02 | 1.3730E-01 | -5.4010E-01 | 1.2920E+00 | -1.8934E+00 | 1.6524E+00 | -7.8929E-01 | 1.5713E-01 |
| S2 | -6.3320E-02 | 1.5565E-01 | -1.6754E-01 | 1.7179E-02 | 1.6628E-01 | -1.8131E-01 | 6.2270E-02 | 0.0000E+00 | 0.0000E+00 |
| S3 | -1.3973E-01 | 4.3944E-01 | -5.8255E-01 | 3.5165E-01 | 1.8021E-01 | -3.9389E-01 | 1.7913E-01 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.4070E-02 | 3.5644E-01 | -5.9962E-01 | 8.3521E-01 | -9.2214E-01 | 8.2016E-01 | -3.5334E-01 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.5094E-01 | -1.2395E-01 | 8.2427E-01 | -4.3268E+00 | 1.1788E+01 | -2.0282E+01 | 2.2188E+01 | -1.3629E+01 | 3.3993E+00 |
| S6 | -1.5320E-01 | 3.6693E-02 | 2.7794E-02 | 5.2410E-01 | -1.3300E+00 | -4.6425E-01 | 4.1607E+00 | -4.4144E+00 | 1.5169E+00 |
| S7 | -5.0692E-01 | 1.6348E+00 | -4.1039E+00 | 1.1872E+01 | -2.5459E+01 | 3.3648E+01 | -2.6236E+01 | 1.1117E+01 | -1.9723E+00 |
| S8 | -1.2651E-01 | 3.5871E-01 | -2.2777E-01 | 1.5415E-01 | -2.7818E-01 | 3.2167E-01 | -1.9989E-01 | 6.5456E-02 | -8.9300E-03 |
| S9 | -1.5008E-01 | 1.1600E-01 | -7.0210E-02 | 3.0025E-02 | -8.6100E-03 | 1.6560E-03 | -2.1000E-04 | 1.5300E-05 | -5.0000E-07 |
| S10 | -1.0914E-01 | 6.9061E-02 | -3.7660E-02 | 1.4274E-02 | -3.7500E-03 | 6.6700E-04 | -7.7000E-05 | 5.1100E-06 | -1.5000E-07 |
Table 14
Table 15 shows total effective focal length f of optical lens, effective focal length f1 to f5, the optics of each lens in embodiment 5
The optics total length TTL of the camera lens and maximum angle of half field-of view HFOV of optical lens.
| f1(mm) | 2.63 | f(mm) | 5.40 |
| f2(mm) | -4.22 | TTL(mm) | 5.30 |
| f3(mm) | 11.61 | HFOV(°) | 31.5 |
| f4(mm) | -40.76 | ||
| f5(mm) | -5.98 |
Table 15
Figure 10 A show chromatic curve on the axle of the optical lens of embodiment 5, and it represents the light of different wave length via mirror
Converging focal point after head deviates.Figure 10 B show the astigmatism curve of the optical lens of embodiment 5, and it represents meridianal image surface bending
Bent with sagittal image surface.Figure 10 C show the distortion curve of the optical lens of embodiment 5, and it is represented in the case of different visual angles
Distort sizes values.Figure 10 D show the ratio chromatism, curve of the optical lens of embodiment 5, its represent light via after camera lens
The deviation of different image heights on imaging surface.Understand that the optical lens given by embodiment 5 can be real according to Figure 10 A to Figure 10 D
Now good image quality.
Embodiment 6
The optical 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 representation of the optical lens of embodiment 6.
As shown in figure 11, sequentially wrapped by thing side to image side along optical axis according to the optical lens of the application illustrative embodiments
Include：Diaphragm STO, the first lens E1, the second lens E2, the 3rd 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 its thing side S1 is convex surface, and image side surface S2 is convex surface；Second lens E2 has
Negative power, its thing side S3 are concave surface, and image side surface S4 is concave surface；3rd lens E3 has positive light coke, and its thing side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has negative power, and its thing side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface.Optical filter E6 have thing side S11 and
Image side surface S12.Light from object sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 16 shows surface type, radius of curvature, thickness, material and the circle of each lens of the optical lens of embodiment 6
Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the thing side of any one lens in the first lens E1 to the 5th lens E5
It is aspherical with image side surface.Table 17 shows the high order term coefficient available for each aspherical mirror in embodiment 6, wherein, respectively
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 | 1.7127E-02 | -2.3070E-02 | 2.1254E-01 | -8.3597E-01 | 2.0188E+00 | -3.0115E+00 | 2.6968E+00 | -1.3285E+00 | 2.7277E-01 |
| S2 | -1.7700E-03 | 2.3910E-02 | 6.2041E-02 | -3.3339E-01 | 5.6803E-01 | -4.7495E-01 | 1.5723E-01 | 0.0000E+00 | 0.0000E+00 |
| S3 | -2.5310E-02 | 2.2939E-01 | -3.3546E-01 | 1.5804E-01 | 2.8069E-01 | -4.5060E-01 | 2.0999E-01 | 0.0000E+00 | 0.0000E+00 |
| S4 | 2.8061E-02 | 1.8705E-01 | -3.0038E-01 | 2.6602E-01 | 5.5219E-02 | -2.9931E-01 | 2.1679E-01 | 0.0000E+00 | 0.0000E+00 |
| S5 | -2.6870E-01 | -4.2100E-03 | -2.1093E-01 | 9.8140E-01 | -5.7946E+00 | 1.7423E+01 | -2.8868E+01 | 2.5941E+01 | -9.9180E+00 |
| S6 | -2.7051E-01 | 6.3629E-02 | -7.9450E-02 | 6.0541E-01 | -1.3525E+00 | 7.6654E-01 | 1.3309E+00 | -1.9724E+00 | 7.5429E-01 |
| S7 | -4.3846E-01 | 1.3132E+00 | -3.3561E+00 | 8.9318E+00 | -1.7813E+01 | 2.2887E+01 | -1.7830E+01 | 7.6471E+00 | -1.3793E+00 |
| S8 | -2.0120E-02 | 1.3731E-01 | -2.1130E-02 | -4.5900E-02 | -7.6890E-02 | 1.7020E-01 | -1.2059E-01 | 3.9286E-02 | -5.0100E-03 |
| S9 | -1.4597E-01 | 1.1824E-01 | -8.0570E-02 | 4.1855E-02 | -1.5630E-02 | 3.9940E-03 | -6.5000E-04 | 5.9000E-05 | -2.3000E-06 |
| S10 | -1.0077E-01 | 6.4847E-02 | -3.9870E-02 | 1.8238E-02 | -6.0500E-03 | 1.3870E-03 | -2.1000E-04 | 1.7900E-05 | -6.8000E-07 |
Table 17
Table 18 shows total effective focal length f of optical lens, effective focal length f1 to f5, the optics of each lens in embodiment 6
The optics total length TTL of the camera lens and maximum angle of half field-of view HFOV of optical lens.
| f1(mm) | 2.54 | f(mm) | 5.40 |
| f2(mm) | -3.90 | TTL(mm) | 5.30 |
| f3(mm) | 10.97 | HFOV(°) | 31.5 |
| f4(mm) | -26.82 | ||
| f5(mm) | -6.32 |
Table 18
Figure 12 A show chromatic curve on the axle of the optical lens of embodiment 6, and it represents the light of different wave length via mirror
Converging focal point after head deviates.Figure 12 B show the astigmatism curve of the optical lens of embodiment 6, and it represents meridianal image surface bending
Bent with sagittal image surface.Figure 12 C show the distortion curve of the optical lens of embodiment 6, and it is represented in the case of different visual angles
Distort sizes values.Figure 12 D show the ratio chromatism, curve of the optical lens of embodiment 6, its represent light via after camera lens
The deviation of different image heights on imaging surface.Understand that the optical lens given by embodiment 6 can be real according to Figure 12 A to Figure 12 D
Now good image quality.
Embodiment 7
The optical 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 representation of the optical lens of embodiment 7.
As shown in figure 13, sequentially wrapped by thing side to image side along optical axis according to the optical lens of the application illustrative embodiments
Include：Diaphragm STO, the first lens E1, the second lens E2, the 3rd 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 its thing side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, its thing side S3 are concave surface, and image side surface S4 is concave surface；3rd lens E3 has positive light coke, and its thing side S5 is
Concave surface, image side surface S6 are convex surface；4th lens E4 has negative power, and its thing side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and its thing side S9 is convex surface, and image side surface S10 is concave surface.Optical filter E6 have thing side S11 and
Image side surface S12.Light from object sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 19 shows surface type, radius of curvature, thickness, material and the circle of each lens of the optical lens of embodiment 7
Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the thing side of any one lens in the first lens E1 to the 5th lens E5
It is aspherical with image side surface.Table 20 shows the high order term coefficient available for each aspherical mirror in embodiment 7, wherein, respectively
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 | 1.6608E-02 | -9.9800E-03 | 1.3013E-01 | -5.3813E-01 | 1.3485E+00 | -2.0592E+00 | 1.8646E+00 | -9.2180E-01 | 1.8863E-01 |
| S2 | -7.0200E-03 | 1.6145E-02 | 5.5210E-03 | -9.1960E-02 | 1.5813E-01 | -1.3401E-01 | 4.5133E-02 | 0.0000E+00 | 0.0000E+00 |
| S3 | -4.0880E-02 | 2.4395E-01 | -4.1007E-01 | 4.3781E-01 | -1.7792E-01 | -6.7170E-02 | 8.1613E-02 | 0.0000E+00 | 0.0000E+00 |
| S4 | 6.3559E-02 | 6.5422E-02 | -3.7500E-03 | -3.0882E-01 | 9.7506E-01 | -1.1671E+00 | 6.0300E-01 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.6092E-01 | -7.8150E-02 | 3.1059E-01 | -1.7906E+00 | 4.2212E+00 | -4.3068E+00 | 4.4278E-01 | 2.9267E+00 | -1.8490E+00 |
| S6 | -1.5171E-01 | -1.9870E-02 | 2.7308E-01 | -4.1659E-01 | 1.6374E-01 | 4.1395E-01 | -6.7781E-01 | 4.3462E-01 | -1.0807E-01 |
| S7 | -4.9541E-01 | 1.5215E+00 | -2.3323E+00 | 3.3385E+00 | -4.9247E+00 | 5.6082E+00 | -4.0761E+00 | 1.6599E+00 | -2.8868E-01 |
| S8 | -1.6692E-01 | 5.3531E-01 | -2.0764E-01 | -5.2385E-01 | 8.3868E-01 | -5.8574E-01 | 2.2190E-01 | -4.2920E-02 | 3.0770E-03 |
| S9 | -1.4400E-01 | 1.0627E-01 | -6.7530E-02 | 3.0578E-02 | -9.3600E-03 | 1.9370E-03 | -2.6000E-04 | 2.0400E-05 | -7.1000E-07 |
| S10 | -8.7720E-02 | 4.9815E-02 | -2.7100E-02 | 1.0307E-02 | -2.7500E-03 | 5.0400E-04 | -6.0000E-05 | 4.1900E-06 | -1.3000E-07 |
Table 20
Table 21 shows total effective focal length f of optical lens, effective focal length f1 to f5, the optics of each lens in embodiment 7
The optics total length TTL of the camera lens and maximum angle of half field-of view HFOV of optical lens.
| f1(mm) | 2.59 | f(mm) | 5.40 |
| f2(mm) | -4.33 | TTL(mm) | 5.30 |
| f3(mm) | 13.73 | HFOV(°) | 31.5 |
| f4(mm) | -31.17 | ||
| f5(mm) | -6.41 |
Table 21
Figure 14 A show chromatic curve on the axle of the optical lens of embodiment 7, and it represents the light of different wave length via mirror
Converging focal point after head deviates.Figure 14 B show the astigmatism curve of the optical lens of embodiment 7, and it represents meridianal image surface bending
Bent with sagittal image surface.Figure 14 C show the distortion curve of the optical lens of embodiment 7, and it is represented in the case of different visual angles
Distort sizes values.Figure 14 D show the ratio chromatism, curve of the optical lens of embodiment 7, its represent light via after camera lens
The deviation of different image heights on imaging surface.Understand that the optical lens given by embodiment 7 can be real according to Figure 14 A to Figure 14 D
Now good image quality.
To sum up, embodiment 1 to embodiment 7 meets the relation shown in table 22 below respectively.
Table 22
The application also provides a kind of imaging device, and its electronics photo-sensitive cell can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be such as digital camera independent imaging equipment or
The image-forming module being integrated on the mobile electronic devices such as mobile phone, tablet personal computer.The imaging device is equipped with described above
Optical lens.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (12)
1. optical lens, sequentially included by thing side to image side along optical axis：It is first lens, the second lens, the 3rd lens, the 4th saturating
Mirror and the 5th lens, it is characterised in that
First lens have positive light coke；
Second lens have negative power；
3rd lens have positive light coke；
4th lens have positive light coke or negative power, and its image side surface is convex surface；
5th lens have negative power；And
Wherein, the combined focal length f1234 of first lens, second lens, the 3rd lens and the 4th lens
The spacing distance T45 on the optical axis meets f1234/T45 ＜ 4.0 with the 4th lens and the 5th lens.
2. optical lens according to claim 1, it is characterised in that the Entry pupil diameters EPD of the optical lens with it is described
The half ImgH of effective pixel area diagonal line length meets EPD/ImgH≤0.7 on optical lens imaging surface.
3. optical lens according to claim 1, it is characterised in that the effective focal length f1 of first lens and described the
The effective focal length f2 of two lens meets -1.0≤f1/f2≤- 0.5.
4. optical lens according to claim 1, it is characterised in that the effective focal length f3 of the 3rd lens and described the
The effective focal length f5 of five lens meets -4.0 ＜ f3/f5 ＜ -1.5.
5. optical lens according to claim 1, it is characterised in that the radius of curvature R 8 of the 4th lens image side surface with
The effective focal length f5 of 5th lens meets 0.2≤R8/f5≤0.8.
6. the optical lens according to claim 4 or 5, it is characterised in that meet -5.5 ＜ f5/T45 ＜ -3.5.
7. optical lens according to claim 1, it is characterised in that the radius of curvature R 1 of the first lens thing side with
The radius of curvature R 4 of the second lens image side surface meets 0≤R1/R4≤0.6.
8. optical lens according to claim 1, it is characterised in that the radius of curvature R 7 of the 4th lens thing side with
The radius of curvature R 10 of the 5th lens image side surface meets -0.7≤R7/R10≤- 0.2.
9. optical lens according to claim 8, it is characterised in that maximum field of view's glazed thread is in the 5th lens image side
Incident angle β 5 on face meets 3 ° of 16 ° of 5 ＜ of ＜ β.
10. optical lens according to claim 8, it is characterised in that the maximum of the 4th lens image side surface effectively half
Bore DT8 and maximum effective half bore DT9 of the 5th lens thing side meet 0.4≤DT8/DT9≤0.8.
11. the optical lens according to any one of claim 7 to 10, it is characterised in that the optics of the optical lens
Total length TTL and the optical lens total effective focal length f meet TTL/f≤1.0.
12. optical lens, sequentially included by thing side to image side along optical axis：First lens, the second lens, the 3rd lens, the 4th
Lens and the 5th lens, it is characterised in that
First lens have positive light coke；
Second lens have negative power；
3rd lens have positive light coke；
4th lens have positive light coke or negative power, and its image side surface is convex surface；
5th lens have negative power；And
Wherein, incident angle β 5 of maximum field of view's glazed thread on the 5th lens image side surface meets 3 ° of 16 ° of 5 ＜ of ＜ β.
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