CN109683287A - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN109683287A CN109683287A CN201910112568.5A CN201910112568A CN109683287A CN 109683287 A CN109683287 A CN 109683287A CN 201910112568 A CN201910112568 A CN 201910112568A CN 109683287 A CN109683287 A CN 109683287A
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- 238000012634 optical imaging Methods 0.000 title claims abstract description 177
- 230000003287 optical effect Effects 0.000 claims abstract description 92
- 238000003384 imaging method Methods 0.000 claims abstract description 64
- 239000000571 coke Substances 0.000 claims abstract description 29
- 201000009310 astigmatism Diseases 0.000 description 16
- 238000010586 diagram Methods 0.000 description 16
- 238000005452 bending Methods 0.000 description 12
- 230000004075 alteration Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 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
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 102220062467 rs745423387 Human genes 0.000 description 1
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- 238000007493 shaping process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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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, the second lens, the third lens, the 4th lens and the 5th lens with focal power along optical axis.First lens have positive light coke, and object side is convex surface, and image side surface is convex surface；Second lens have negative power, and object side is convex surface, and image side surface is concave surface；Total effective focal length f of distance TTL and optical imaging lens of the imaging surface on optical axis of the object side of first lens to optical imaging lens meets TTL/f≤1.0；And the F-number Fno of optical imaging lens meets Fno < 2.0.
Description
Technical field
This application involves a kind of optical imaging lens, more particularly, to a kind of optical imaging lens including five lens
Head.
Background technique
With the development of science and technology the portable electronic products such as mobile phone, tablet computer are quickly popularized, people to imaging lens at
It is also more and more diversified as requiring.The zoom currently risen is double to take the photograph technology, and principle is to utilize mobile phone postposition dual camera not
With physics focal length, different shooting effects is realized.The technology generally require using a telephoto lens cooperate realize zoom and
Shooting to more remote object, while achieving the effect that prominent main body, virtualization background, to pass through matching for more optical lens
It closes using the imaging demand for meeting more scenes.The F number (Fno) of existing telephoto lens is directed to insufficient light mostly 2.0 or more
The case where (such as rainy days, dusk), 2.0 or more F number can no longer meet the imaging requirements of higher order.
Summary of the invention
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art
The optical imaging lens of at least one above-mentioned disadvantage.
On the one hand, this application provides a kind of optical imaging lens, and the optical imaging lens are along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens and the 5th lens with focal power.Wherein, first
Lens can have positive light coke, and object side can be convex surface, and image side surface can be convex surface；Second lens can have negative power,
Object side can be convex surface, and image side surface can be concave surface；The object side of first lens to optical imaging lens imaging surface on optical axis
Distance TTL and total effective focal length f of optical imaging lens can meet TTL/f≤1.0；And the F-number of optical imaging lens
Fno can meet Fno < 2.0.
In one embodiment, spacing distance T34, the second lens and of the third lens and the 4th lens on optical axis
Spacing distance T23 and fourth lens and fiveth lens spacing distance T45 on optical axis of three lens on optical axis can meet 0.3
≤ T34/ (T23+T45) < 1.5.
In one embodiment, total effective focal length f of the effective focal length f1 of the first lens and optical imaging lens can expire
0.5 < f1/f < 1.0 of foot.
In one embodiment, total effective focal length f of the effective focal length f2 of the second lens and optical imaging lens can expire
- 1.5 < f2/f < -0.5 of foot.
In one embodiment, total effective coke of the radius of curvature R 1 of the object side of the first lens and optical imaging lens
0 < R1/f < 0.5 can be met away from f.
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
0 < R4/f < 1.0 can be met away from f.
In one embodiment, center thickness CT5 of the 5th lens on optical axis exists with the 4th lens and the 5th lens
Spacing distance T45 on optical axis can meet 0 < CT5/T45 < 1.0.
In one embodiment, the effective focal length of the combined focal length f23 and the first lens of the second lens and the third lens
F1 can meet -2.0 < f23/f1 < -1.0.
In one embodiment, the intersection point of the object side of the first lens and optical axis is effective to the object side of the first lens
The intersection point of the object side of distance SAG11 and the 5th lens and optical axis is effective to the object side of the 5th lens on the axis on radius vertex
Distance SAG51 can meet -2.0 < SAG11/SAG51 < -0.5 on the axis on radius vertex.
In one embodiment, the image side surface of maximum the effective radius DT51 and the second lens of the object side of the 5th lens
Maximum effective radius DT22 can meet 1.5 < DT51/DT22 < 2.0.
In one embodiment, the first lens spacing distance of two lens of arbitrary neighborhood on optical axis into the 5th lens
Summation ∑ AT and the summation ∑ CT of the first lens to the 5th lens center thickness on optical axis respectively can meet 1.0 < ∑s
AT/ ∑ CT < 1.5.
On the other hand, this application provides a kind of optical imaging lens, and the optical imaging lens are along optical axis by object side to picture
Side sequentially includes: the first lens, the second lens, the third lens, the 4th lens and the 5th lens with focal power.Wherein,
One lens can have positive light coke, and object side can be convex surface, and image side surface can be convex surface；Second lens can have negative power,
Its object side can be convex surface, and image side surface can be concave surface；And first lens object side and optical axis intersection point to the first lens
The intersection point of the object side and optical axis of distance SAG11 and the 5th lens is to the 5th lens on the axis on the effective radius vertex of object side
Distance SAG51 can meet -2.0 < SAG11/SAG51 < -0.5 on the axis on the effective radius vertex of object side.
In another aspect, the optical imaging lens are along optical axis by object side to picture this application provides a kind of optical imaging lens
Side sequentially includes: the first lens, the second lens, the third lens, the 4th lens and the 5th lens with focal power.Wherein,
One lens can have positive light coke, and object side can be convex surface, and image side surface can be convex surface；Second lens can have negative power,
Its object side can be convex surface, and image side surface can be concave surface；And the 5th lens object side maximum effective radius DT51 and second
The maximum effective radius DT22 of the image side surface of lens can meet 1.5 < DT51/DT22 < 2.0.
The application use five lens, by each power of lens of reasonable distribution, face type, each lens center thickness
And spacing etc. on the axis between each lens, so that above-mentioned optical lens group has miniaturization, large aperture, long-focus, high imaging
At least one beneficial effect such as quality.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the 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；
Figure 15 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 8, 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 such as five lens with focal power,
That is, the first lens, the second lens, the third lens, the 4th lens and the 5th lens.This five lens are along optical axis by object side to picture
Side sequential.In the first lens into the 5th lens, can have airspace between two lens of arbitrary neighborhood.
In the exemplary embodiment, the first lens can have positive light coke, and object side can be convex surface, and image side surface can be
Convex surface；Second lens can have negative power, and object side can be convex surface, and image side surface can be concave surface；The third lens have positive light
Focal power or negative power；4th lens have positive light coke or negative power；5th lens have positive light coke or negative power.
Reasonably combined first power of lens and face type, it is ensured that the first lens have good machinability, and
So that optical imaging lens, which have, neglects rink corner.Reasonably combined second power of lens and face type carry out group with the first lens
It closes, is conducive to the off-axis aberration for correcting optical imaging lens, improves image quality.
In the exemplary embodiment, conditional TTL/f≤1.0 can be met according to the optical imaging lens of the application,
In, TTL is the object side of the first lens to distance of the imaging surface on optical axis of optical imaging lens, and f is optical imaging lens
Total effective focal length.More specifically, TTL and f can further meet 0.98≤TTL/f≤1.00.By controlling from the first lens
Object side to the axis of imaging surface on distance and total effective focal length of optical imaging lens ratio, protect camera lens effectively
Hold telephoto lens characteristic.
In the exemplary embodiment, conditional Fno < 2.0 can be met according to the optical imaging lens of the application, wherein
Fno is the F-number of optical imaging lens.More specifically, Fno can further meet 1.78≤Fno≤1.82, for example, Fno=
1.80.Fno is controlled 2.0 hereinafter, help to obtain bigger light-inletting quantity, the imaging effect under dark situation is enhanced；Meanwhile light
Imaging lens are learned with the advantage compared with large aperture, can reduce the aberration of peripheral field.
In the exemplary embodiment, 0.3≤T34/ of conditional (T23+ can be met according to the optical imaging lens of the application
T45) 1.5 <, wherein T34 is the spacing distance of the third lens and the 4th lens on optical axis, and T23 is the second lens and third
Spacing distance of the lens on optical axis, T45 are the spacing distance of the 4th lens and the 5th lens on optical axis.More specifically,
T34, T23 and T45 can further meet 0.30≤T34/ (T23+T45)≤1.18.Pass through the sum of constraint T34's and T23 and T45
Ratio, to control the curvature of field contribution amount of optical imaging lens visual field in reasonable range.
In the exemplary embodiment, 0.5 < f1/f < of conditional can be met according to the optical imaging lens of the application
1.0, wherein f1 is the effective focal length of the first lens, and f is total effective focal length of optical imaging lens.More specifically, f1 and f into
One step can meet 0.5 < f1/f < 0.6, for example, 0.52≤f1/f≤0.58.By the effective coke for rationally controlling the first lens
Away from, can make its generate negative spherical aberration, thus balance optical imaging lens other eyeglasses generate positive spherical aberration, make optical imaging lens
Head has preferably image quality on axis.
In the exemplary embodiment, -1.5 < f2/f < of conditional-can be met according to the optical imaging lens of the application
0.5, wherein f2 is the effective focal length of the second lens, and f is total effective focal length of optical imaging lens.More specifically, f2 and f into
One step can meet -1.08≤f2/f≤- 0.80.By rationally controlling the range of the second lens effective focal length, it can be made to generate just
Spherical aberration, so that the negative spherical aberration that other eyeglasses for balancing optical imaging lens generate, there is optical imaging lens on axis more preferably
Ground image quality.
In the exemplary embodiment, 0 < R1/f < 0.5 of conditional can be met according to the optical imaging lens of the application,
Wherein, R1 is the radius of curvature of the object side of the first lens, and f is total effective focal length of optical imaging lens.More specifically, R1 and
F can further meet 0.3 < R1/f < 0.4, for example, 0.31≤R1/f≤0.33.The rationally song of the first lens object side of control
The ratio of total effective focal length of rate radius and optical imaging lens can control the curvature of the first lens object side, make its curvature of field
Contribution amount reduces the optical sensitive degree of the first lens object side in reasonable range.
In the exemplary embodiment, 0 < R4/f < 1.0 of conditional can be met according to the optical imaging lens of the application,
Wherein, 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 meet 0.2 < R4/f < 0.6, for example, 0.27≤R4/f≤0.55.The rationally song of the second lens image side surface of control
The ratio of total effective focal length of rate radius and optical imaging lens can control the curvature of the second lens image side surface, be effectively reduced
Color difference on axis, it is ensured that preferable image quality.
In the exemplary embodiment, 0 < CT5/T45 < of conditional can be met according to the optical imaging lens of the application
1.0, wherein CT5 is center thickness of the 5th lens on optical axis, T45 be the 4th lens and the 5th lens on optical axis between
Gauge from.More specifically, CT5 and T45 can further meet 0.1 < CT5/T45 < 0.6, for example, 0.15≤CT5/T45≤
0.56.Center thickness and fourth lens and fiveth lens airspace on optical axis of the 5th lens of proper restraint on optical axis
Ratio, the curvature of field and amount of distortion of optical imaging lens can be efficiently controlled, promote the image quality of camera lens.
In the exemplary embodiment, -2.0 < f23/f1 of conditional can be met according to the optical imaging lens of the application
< -1.0, wherein f23 is the combined focal length of the second lens and the third lens, and f1 is the effective focal length of the first lens.More specifically
Ground, f23 and f1 can further meet -1.88≤f23/f1≤- 1.18.By the group focus for constraining the second lens and the third lens
Ratio range away from the focal length with the first lens has rationally after enabling to the second lens and the third lens to combine as one
The optics constituent element group of negative power, the aberration to have the optics group member group of positive focal power to generate with front end are balanced, into
And obtain good image quality.
In the exemplary embodiment, 1.0 < ∑ AT/ ∑ CT of conditional can be met according to the optical imaging lens of the application
< 1.5, wherein ∑ AT is the summation of the first lens spacing distance of two lens of arbitrary neighborhood on optical axis into the 5th lens,
∑ CT is the summation of the first lens to the 5th lens center thickness on optical axis respectively.More specifically, ∑ AT and ∑ CT is into one
Step can meet 1.05≤∑ AT/ ∑ CT≤1.48.Respectively have between air of the lens of focal power on optical axis by proper restraint
Every the center thickness with the lens respectively with focal power on optical axis, it can rationally control distortion range and spherochromatism be carried out flat
Weighing apparatus, so that there is imaging lens good distortion to show and obtain good image quality.
In the exemplary embodiment, -2.0 < SAG11/ of conditional can be met according to the optical imaging lens of the application
SAG51 < -0.5, wherein SAG11 be the first lens object side and optical axis intersection point it is effective to the object side of the first lens
Distance on the axis on radius vertex, SAG51 are the object side of the 5th lens and intersection point the having to the object side of the 5th lens of optical axis
Imitate distance on the axis on radius vertex.More specifically, SAG11 and SAG51 can further meet -1.88≤SAG11/SAG51≤-
0.69.By rationally controlling the rise of the first lens object side and the ratio between the rise of the 5th lens object side, is advantageously reduced
The susceptibility of one object lens and the 5th object lens facilitates the machine-shaping of eyeglass.
In the exemplary embodiment, 1.5 < DT51/DT22 of conditional can be met according to the optical imaging lens of the application
< 2.0, wherein DT51 is the maximum effective radius of the object side of the 5th lens, and DT22 is the maximum of the image side surface of the second lens
Effective radius.More specifically, DT51 and DT22 can further meet 1.59≤DT51/DT22≤1.89.By limiting the 5th thoroughly
The ratio range of the maximum effective radius of the maximum effective radius of mirror object side and the second lens image side surface, can effectively constrain
The shape of 5th lens and the second lens, and then the illumination characteristic of effective improving optical imaging lens.
In the exemplary embodiment, above-mentioned optical imaging lens may also include diaphragm, with promoted lens group at image quality
Amount.Diaphragm may be provided between object side and the first lens.
Optionally, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting
The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above five can be used according to the optical imaging lens of the above embodiment of the application
Piece.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imaging lens
Head, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Optical lens through the above configuration can also have super
The beneficial effects such as thin, large aperture, long-focus, high imaging quality.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, first thoroughly
Mirror, the second lens, the third lens, the 4th lens and each lens in the 5th lens object side and image side surface at least one
A is aspherical mirror.The characteristics of non-spherical lens is: from lens centre to lens perimeter, curvature is consecutive variations.With from
Lens centre has the spherical lens of constant curvature different to lens perimeter, and non-spherical lens has more preferably radius of curvature special
Property, have the advantages that improve and distorts aberration and improvement astigmatic image error.After non-spherical lens, can eliminate as much as possible at
As when the aberration that occurs, so as to improve image quality.Optionally, the first lens, the second lens, the third lens, the 4th thoroughly
The object side and image side surface of mirror and each lens in the 5th lens 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 along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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 concave 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 concave surface, and image side surface S10 is convex 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 show the surface types of each lens of the optical imaging lens of embodiment 1, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
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
It is 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 is (that is, paraxial curvature c is upper
The inverse of 1 mean curvature radius R of table)；K is circular cone coefficient；Ai is the correction factor of aspherical i-th-th rank.The following table 2
Give the high-order coefficient A that can be used for each aspherical mirror S1-S10 in embodiment 14、A6、A8、A10、A12、A14、A16、A18With
A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -6.91E-02 | -2.25E-02 | -7.70E-03 | -2.55E-03 | -8.13E-04 | -2.67E-04 | -7.42E-05 | -1.95E-05 | -3.74E-07 |
| S2 | 2.37E-02 | 5.91E-03 | -3.26E-03 | 1.22E-03 | -3.84E-04 | 1.68E-04 | -3.67E-05 | 2.15E-05 | -5.34E-06 |
| S3 | 1.25E-02 | 2.79E-02 | -6.97E-03 | 2.31E-03 | -6.13E-04 | 2.21E-04 | -4.56E-05 | 1.90E-05 | -2.58E-06 |
| S4 | 6.64E-02 | 3.28E-02 | 9.08E-04 | 1.71E-03 | 9.25E-05 | 1.36E-04 | 2.28E-05 | 1.86E-05 | 5.34E-06 |
| S5 | 2.76E-02 | 4.56E-02 | -3.53E-03 | 7.08E-05 | 4.82E-05 | 4.90E-05 | 1.18E-05 | 1.25E-06 | 3.89E-08 |
| S6 | 3.01E-02 | 4.71E-02 | -2.79E-03 | 1.31E-04 | -5.33E-05 | 6.22E-05 | 2.67E-05 | 2.12E-05 | -2.69E-07 |
| S7 | -3.32E-01 | -2.00E-02 | -1.99E-03 | 1.36E-03 | 9.92E-04 | 3.67E-04 | 7.09E-05 | -2.56E-05 | -9.64E-06 |
| S8 | -3.74E-01 | -2.67E-02 | -1.42E-03 | 2.26E-03 | 1.85E-03 | 9.78E-04 | 3.79E-04 | 1.17E-04 | 2.63E-05 |
| S9 | -1.15E+00 | 2.66E-01 | -1.88E-02 | 4.05E-02 | -1.95E-02 | 5.27E-03 | -5.12E-03 | 2.46E-03 | -2.98E-04 |
| S10 | -1.18E+00 | 1.17E-01 | -4.98E-02 | 5.58E-02 | -1.88E-02 | 1.61E-02 | -6.83E-03 | 2.86E-03 | -6.11E-04 |
Table 2
Table 3 gives the effective focal length f1 to f5 of each lens in embodiment 1, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S13 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S13 on optical axis
Long half ImgH, maximum angle of half field-of view Semi-FOV and F-number Fno.
| f1(mm) | 3.20 | f(mm) | 5.88 |
| f2(mm) | -5.09 | TTL(mm) | 5.86 |
| f3(mm) | -31.83 | ImgH(mm) | 2.91 |
| f4(mm) | 11.81 | Semi-FOV(°) | 25.6 |
| f5(mm) | -3.57 | Fno | 1.80 |
Table 3
Optical imaging lens in embodiment 1 meet following relationship:
TTL/f=1.00, wherein TTL is distance of the object side S1 of the first lens E1 to imaging surface S13 on optical axis, f
For total effective focal length of optical imaging lens；
T34/ (T23+T45)=0.30, wherein T34 is the interval distance of the third lens E3 and the 4th lens E4 on optical axis
From T23 is spacing distance of the second lens E2 and the third lens E3 on optical axis, and T45 is the 4th lens E4 and the 5th lens E5
Spacing distance on optical axis；
F1/f=0.54, wherein f1 is the effective focal length of the first lens E1, and f is total effective focal length of optical imaging lens；
F2/f=-0.87, wherein f2 is the effective focal length of the second lens E2, and f is total effective coke of optical imaging lens
Away from；
R1/f=0.32, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, and f is optical imaging lens
Total effective focal length；
R4/f=0.50, wherein R4 is the radius of curvature of the image side surface S4 of the second lens E2, and f is optical imaging lens
Total effective focal length；
CT5/T45=0.17, wherein CT5 is center thickness of the 5th lens E5 on optical axis, and T45 is the 4th lens E4
With spacing distance of the 5th lens E5 on optical axis；
F23/f1=-1.34, wherein f23 is the combined focal length of the second lens E2 and the third lens E3, and f1 is the first lens
The effective focal length of E1；
∑ AT/ ∑ CT=1.22, wherein ∑ AT be the first lens E1 into the 5th lens E5 two lens of arbitrary neighborhood in light
The summation of spacing distance on axis, ∑ CT are the total of the first lens E1 to the 5th lens E5 center thickness on optical axis respectively
With；
SAG11/SAG51=-0.69, wherein the intersection point of object side S1 and optical axis that SAG11 is the first lens E1 to first
Distance on the axis on the effective radius vertex of the object side S1 of lens E1, the object side S9 and optical axis that SAG51 is the 5th lens E5
Distance on intersection point to the axis on the effective radius vertex of the object side S9 of the 5th lens E5；
DT51/DT22=1.89, wherein DT51 is the maximum effective radius of the object side S9 of the 5th lens E5, and DT22 is
The maximum effective radius of the image side surface S4 of second lens E2.
Fig. 2A shows chromatic curve on the axis of the optical imaging lens of embodiment 1, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 2 B 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
The distortion sizes values at place.Fig. 2 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicates light via mirror
The deviation of different image heights after head on imaging surface.A to Fig. 2 D is it is found that optical imaging lens given by embodiment 1 according to fig. 2
Head 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 along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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 concave surface.The
Five lens E5 have negative power, and object side S9 is concave 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 4 show the surface types of each lens of the optical imaging lens of embodiment 2, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
In example 2, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
It is aspherical.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.11E-02 | -2.02E-02 | -8.75E-03 | -3.66E-03 | -1.36E-03 | -4.89E-04 | -1.30E-04 | -3.01E-05 | 2.96E-06 |
| S2 | 6.27E-02 | -8.40E-03 | -4.79E-03 | 5.98E-04 | -4.41E-04 | 2.49E-04 | -9.06E-05 | 8.72E-06 | 8.87E-07 |
| S3 | 2.59E-02 | 2.45E-02 | -5.49E-03 | 1.34E-03 | -3.31E-04 | 1.90E-04 | -1.86E-05 | -8.38E-06 | 2.79E-06 |
| S4 | 6.63E-02 | 2.79E-02 | 4.74E-04 | 7.79E-04 | 3.88E-05 | 3.64E-05 | 9.87E-06 | -6.14E-07 | 2.02E-06 |
| S5 | 1.16E-01 | 2.44E-02 | -7.59E-04 | -3.64E-05 | 7.34E-05 | 5.10E-06 | -7.02E-07 | -3.52E-08 | -9.43E-08 |
| S6 | 2.07E-01 | 4.61E-02 | 2.56E-03 | 1.21E-03 | 4.28E-04 | 1.47E-04 | 3.84E-06 | 2.52E-06 | -1.68E-05 |
| S7 | -3.58E-02 | 3.43E-02 | -9.98E-03 | -1.48E-02 | 4.68E-05 | -6.01E-04 | -9.64E-05 | -3.26E-04 | 3.58E-05 |
| S8 | -6.62E-02 | 7.64E-02 | -3.02E-03 | -1.84E-02 | 2.32E-03 | 1.50E-03 | 6.54E-04 | -6.49E-04 | -1.32E-04 |
| S9 | -1.63E+00 | 4.54E-01 | -2.65E-02 | 4.33E-02 | -2.94E-02 | 6.16E-03 | -6.17E-03 | 3.90E-03 | -6.56E-04 |
| S10 | -1.51E+00 | 2.10E-01 | -8.58E-02 | 4.87E-02 | -2.22E-02 | 1.53E-02 | -6.46E-03 | 2.50E-03 | -2.47E-04 |
Table 5
Table 6 gives the effective focal length f1 to f5 of each lens in embodiment 2, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S13 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S13 on optical axis
Long half ImgH, maximum angle of half field-of view Semi-FOV and F-number Fno.
| f1(mm) | 3.75 | f(mm) | 6.50 |
| f2(mm) | -6.85 | TTL(mm) | 6.37 |
| f3(mm) | 318.28 | ImgH(mm) | 2.91 |
| f4(mm) | 43.12 | Semi-FOV(°) | 24.0 |
| f5(mm) | -3.20 | Fno | 1.80 |
Table 6
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 converging focal point 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
The distortion sizes values at place.Fig. 4 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicates light via mirror
The deviation of different image heights after head on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optical imaging lens given by embodiment 2
Head 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 along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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 negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have negative power, and object side S9 is concave 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 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
In embodiment 3, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
It is aspherical.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.
Table 8
Table 9 gives the effective focal length f1 to f5 of each lens in embodiment 3, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S13 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S13 on optical axis
Long half ImgH, maximum angle of half field-of view Semi-FOV and F-number Fno.
| f1(mm) | 3.74 | f(mm) | 6.59 |
| f2(mm) | -7.00 | TTL(mm) | 6.53 |
| f3(mm) | -1024.98 | ImgH(mm) | 2.91 |
| f4(mm) | -822.32 | Semi-FOV(°) | 23.4 |
| f5(mm) | -4.61 | Fno | 1.80 |
Table 9
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 converging focal point 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
The distortion sizes values at place.Fig. 6 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicates light via mirror
The deviation of different image heights after head on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optical imaging lens given by embodiment 3
Head 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 along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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
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 concave surface.The
Five lens E5 have negative power, and object side S9 is concave 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 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 4
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 10
In example 4, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
It is aspherical.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each aspherical face type
It can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.00E-02 | -1.96E-02 | -8.56E-03 | -3.51E-03 | -1.28E-03 | -4.50E-04 | -1.14E-04 | -2.20E-05 | 8.60E-06 |
| S2 | 6.30E-02 | -8.26E-03 | -4.68E-03 | 6.94E-04 | -4.06E-04 | 2.61E-04 | -9.32E-05 | 6.62E-06 | 1.27E-06 |
| S3 | 2.64E-02 | 2.53E-02 | -5.52E-03 | 1.31E-03 | -3.29E-04 | 1.94E-04 | -1.50E-05 | -7.62E-06 | 1.71E-06 |
| S4 | 6.69E-02 | 2.85E-02 | 7.14E-04 | 7.52E-04 | 5.22E-05 | 3.73E-05 | 1.35E-05 | 7.36E-07 | 1.45E-06 |
| S5 | 1.13E-01 | 2.65E-02 | -1.05E-03 | 5.08E-05 | 9.33E-05 | -4.74E-07 | 7.66E-06 | -5.25E-06 | 1.11E-06 |
| S6 | 7.10E-02 | 1.46E-02 | 2.88E-07 | 5.30E-05 | 9.41E-06 | 9.36E-06 | -6.21E-06 | 2.99E-06 | -3.27E-07 |
| S7 | -3.52E-02 | 2.41E-02 | -9.69E-03 | -1.25E-02 | 3.14E-03 | 1.36E-03 | 1.97E-04 | -2.94E-04 | 1.00E-05 |
| S8 | -3.07E-02 | 5.77E-02 | -1.02E-02 | -2.00E-02 | 3.00E-03 | 2.71E-03 | 5.59E-04 | -7.23E-04 | -2.07E-04 |
| S9 | -1.60E+00 | 4.55E-01 | -2.73E-02 | 3.64E-02 | -3.21E-02 | 6.09E-03 | -4.37E-03 | 4.24E-03 | -5.16E-04 |
| S10 | -1.54E+00 | 1.95E-01 | -6.84E-02 | 4.92E-02 | -1.77E-02 | 1.43E-02 | -5.28E-03 | 2.44E-03 | -3.49E-04 |
Table 11
Table 12 give the effective focal length f1 to f5 of each lens in embodiment 4, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S13 of first lens E1 on distance TTL, the imaging surface S13 on optical axis effective pixel area it is diagonal
Half ImgH, the maximum angle of half field-of view Semi-FOV and F-number Fno of wire length.
Table 12
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 converging focal point 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
The distortion sizes values at place.Fig. 8 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicates light via mirror
The deviation of different image heights after head on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optical imaging lens given by embodiment 4
Head 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 along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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 concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave 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 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
In embodiment 5, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
It is aspherical.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each aspherical face type
It 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 | -6.01E-02 | -3.06E-02 | -1.42E-02 | -6.10E-03 | -2.36E-03 | -8.45E-04 | -2.39E-04 | -4.34E-05 | 2.54E-06 |
| S2 | 6.96E-02 | -1.48E-02 | -5.86E-03 | 4.47E-04 | -6.20E-04 | 2.72E-04 | -9.49E-05 | -1.75E-05 | 9.85E-06 |
| S3 | 5.29E-02 | 3.42E-02 | -6.12E-03 | 2.58E-03 | -2.79E-04 | 3.33E-04 | 8.33E-07 | -2.91E-05 | 6.93E-06 |
| S4 | 1.13E-01 | 4.48E-02 | 3.56E-03 | 2.14E-03 | 4.22E-04 | 1.88E-04 | 7.46E-05 | 1.56E-05 | 4.33E-06 |
| S5 | 1.95E-01 | 4.21E-02 | -2.29E-03 | 8.88E-04 | 1.90E-04 | 4.27E-06 | 1.15E-06 | -2.95E-06 | -1.20E-06 |
| S6 | 1.81E-01 | 4.33E-02 | 4.35E-04 | 1.39E-03 | 3.86E-04 | 1.54E-04 | 3.67E-05 | 2.07E-05 | -1.03E-05 |
| S7 | 4.60E-02 | 2.66E-02 | -1.10E-02 | -8.95E-03 | -3.06E-04 | 5.04E-04 | 8.28E-05 | -1.77E-05 | 4.19E-05 |
| S8 | 3.63E-02 | 5.88E-02 | -1.20E-02 | -1.21E-02 | -2.65E-04 | 1.71E-03 | 3.89E-04 | -1.24E-04 | -7.43E-05 |
| S9 | -1.53E+00 | 4.03E-01 | 9.72E-04 | 3.92E-02 | -3.33E-02 | 3.27E-03 | -4.37E-03 | 4.28E-03 | -7.15E-04 |
| S10 | -1.59E+00 | 1.85E-01 | -5.19E-02 | 6.14E-02 | -2.12E-02 | 1.56E-02 | -6.96E-03 | 3.27E-03 | -6.13E-04 |
Table 14
Table 15 give the effective focal length f1 to f5 of each lens in embodiment 5, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S13 of first lens E1 on distance TTL, the imaging surface S13 on optical axis effective pixel area it is diagonal
Half ImgH, the maximum angle of half field-of view Semi-FOV and F-number Fno of wire length.
| f1(mm) | 3.69 | f(mm) | 6.58 |
| f2(mm) | -6.95 | TTL(mm) | 6.45 |
| f3(mm) | -22.50 | ImgH(mm) | 2.91 |
| f4(mm) | 18.75 | Semi-FOV(°) | 23.4 |
| f5(mm) | -3.96 | Fno | 1.80 |
Table 15
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 converging focal point 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
Distortion sizes values at image height.Figure 10 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicates light
Via the deviation of the different image heights after camera lens on imaging surface.According to Figure 10 A to Figure 10 D it is found that light given by embodiment 5
Learning 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 along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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
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 concave 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 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
In embodiment 6, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
It is aspherical.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each aspherical face type
It can be limited by the formula (1) provided in above-described embodiment 1.
Table 17
Table 18 give the effective focal length f1 to f5 of each lens in embodiment 6, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S13 of first lens E1 on distance TTL, the imaging surface S13 on optical axis effective pixel area it is diagonal
Half ImgH, the maximum angle of half field-of view Semi-FOV and F-number Fno of wire length.
| f1(mm) | 3.28 | f(mm) | 6.19 |
| f2(mm) | -5.05 | TTL(mm) | 6.13 |
| f3(mm) | -19.66 | ImgH(mm) | 2.91 |
| f4(mm) | 12.14 | Semi-FOV(°) | 24.4 |
| f5(mm) | -5.41 | Fno | 1.80 |
Table 18
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 converging focal point 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
Distortion sizes values at image height.Figure 12 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicates light
Via the deviation of the different image heights after camera lens on imaging surface.According to Figure 12 A to Figure 12 D it is found that light given by embodiment 6
Learning 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 along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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
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 concave 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 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 7
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
In embodiment 7, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
It is aspherical.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each aspherical face type
It 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 | -5.19E-02 | -1.27E-02 | -3.68E-03 | -1.04E-03 | -2.83E-04 | -8.20E-05 | -2.27E-05 | -7.76E-06 | -2.67E-06 |
| S2 | 4.54E-02 | -3.29E-04 | -1.45E-03 | 7.34E-04 | -2.51E-04 | 1.31E-04 | -2.28E-05 | 1.90E-05 | -6.71E-07 |
| S3 | 5.24E-02 | 1.15E-02 | -2.27E-03 | 9.09E-04 | -2.41E-04 | 1.14E-04 | -1.88E-05 | 1.15E-05 | 1.48E-06 |
| S4 | 9.22E-02 | 2.87E-02 | 4.60E-03 | 1.66E-03 | 3.78E-04 | 1.65E-04 | 5.85E-05 | 2.70E-05 | 9.64E-06 |
| S5 | 1.15E-02 | 4.97E-02 | -1.96E-03 | 9.75E-05 | 1.07E-04 | 1.64E-04 | 6.79E-05 | 1.82E-05 | 9.74E-07 |
| S6 | -4.89E-02 | 3.50E-02 | -7.21E-03 | -1.74E-03 | -5.82E-04 | 1.84E-05 | 5.68E-05 | 3.35E-05 | 2.81E-08 |
| S7 | -3.77E-01 | -1.69E-02 | 6.38E-03 | 2.61E-03 | -2.44E-04 | -8.89E-04 | -6.00E-04 | -2.48E-04 | -4.63E-05 |
| S8 | -4.15E-01 | -1.96E-02 | 1.16E-02 | 6.58E-03 | 2.62E-03 | 7.16E-04 | 2.18E-06 | -7.86E-05 | -3.96E-05 |
| S9 | -1.42E+00 | 3.37E-01 | 1.48E-02 | 3.59E-02 | -3.34E-02 | 1.17E-03 | -6.15E-03 | 1.78E-03 | -1.34E-03 |
| S10 | -1.54E+00 | 1.85E-01 | 2.63E-03 | 7.41E-02 | -6.75E-03 | 1.85E-02 | -3.27E-03 | 3.41E-03 | -6.01E-04 |
Table 20
Table 21 give the effective focal length f1 to f5 of each lens in embodiment 7, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S13 of first lens E1 on distance TTL, the imaging surface S13 on optical axis effective pixel area it is diagonal
Half ImgH, the maximum angle of half field-of view Semi-FOV and F-number Fno of wire length.
| f1(mm) | 3.26 | f(mm) | 6.20 |
| f2(mm) | -4.98 | TTL(mm) | 6.11 |
| f3(mm) | -19.42 | ImgH(mm) | 2.91 |
| f4(mm) | 12.14 | Semi-FOV(°) | 24.3 |
| f5(mm) | -4.77 | Fno | 1.80 |
Table 21
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 converging focal point 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
Distortion sizes values at image height.Figure 14 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicates light
Via the deviation of the different image heights after camera lens on imaging surface.According to Figure 14 A to Figure 14 D it is found that light given by embodiment 7
Learning imaging lens can be realized good image quality.
Embodiment 8
The optical imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 8.
As shown in figure 15, optical imaging lens along optical axis by object side to image side sequentially include: diaphragm STO, the first lens E1,
Second lens 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 convex 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
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is 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 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 8
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
In embodiment 8, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are equal
It is aspherical.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each aspherical face type
It 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 | -5.45E-02 | -1.58E-02 | -4.90E-03 | -1.79E-03 | -6.19E-04 | -2.12E-04 | -6.34E-05 | -1.11E-05 | -7.46E-06 |
| S2 | 7.32E-02 | -7.98E-03 | -4.22E-03 | 7.27E-04 | -4.69E-04 | 2.42E-04 | -8.07E-05 | 1.54E-05 | -1.54E-06 |
| S3 | 2.18E-02 | 1.88E-02 | -6.02E-03 | 1.18E-03 | -2.57E-04 | 2.10E-04 | -1.46E-05 | -4.25E-06 | -1.66E-07 |
| S4 | 7.19E-02 | 2.60E-02 | 1.15E-03 | 4.77E-04 | 3.15E-05 | 4.89E-05 | 3.21E-05 | 4.86E-06 | 4.81E-06 |
| S5 | 7.54E-02 | 4.47E-02 | -1.57E-03 | -5.70E-04 | 2.77E-04 | 6.78E-05 | 1.59E-05 | -7.92E-07 | -5.04E-06 |
| S6 | 2.03E-01 | 6.01E-02 | 1.75E-03 | 1.06E-03 | 8.55E-04 | 3.14E-04 | -2.27E-05 | -4.36E-05 | -5.79E-05 |
| S7 | -3.02E-01 | 9.35E-03 | 2.33E-02 | -7.38E-03 | 5.81E-03 | 2.94E-04 | 9.10E-04 | -9.38E-04 | -2.58E-04 |
| S8 | -5.04E-01 | 6.55E-02 | 3.89E-02 | -2.01E-02 | 8.48E-03 | -3.38E-03 | -1.69E-03 | -3.01E-03 | -4.62E-04 |
| S9 | -1.06E+00 | 3.96E-01 | -9.45E-02 | -5.90E-02 | -9.81E-03 | -1.40E-02 | 6.36E-03 | 9.56E-03 | -3.27E-04 |
| S10 | -1.03E+00 | 2.11E-01 | 1.09E-02 | 2.97E-02 | 2.76E-02 | -1.50E-04 | 7.09E-04 | 2.75E-03 | -3.45E-04 |
Table 23
Table 24 give the effective focal length f1 to f5 of each lens in embodiment 8, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S13 of first lens E1 on distance TTL, the imaging surface S13 on optical axis effective pixel area it is diagonal
Half ImgH, the maximum angle of half field-of view Semi-FOV and F-number Fno of wire length.
| f1(mm) | 3.87 | f(mm) | 6.85 |
| f2(mm) | -5.90 | TTL(mm) | 6.72 |
| f3(mm) | -123.44 | ImgH(mm) | 2.91 |
| f4(mm) | -70.21 | Semi-FOV(°) | 22.4 |
| f5(mm) | 204.27 | Fno | 1.80 |
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imaging lens of embodiment 8, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imaging lens of embodiment 8, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imaging lens of embodiment 8, indicates different
Distortion sizes values at image height.Figure 16 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 8, indicates light
Via the deviation of the different image heights after camera lens on imaging surface.According to Figure 16 A to Figure 16 D it is found that light given by embodiment 8
Learning imaging lens can be realized good image quality.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 25 respectively.
Table 25
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, 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, along optical axis by object side to image side sequentially include: the first lens with focal power, the second lens,
The third lens, the 4th lens and the 5th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface, and image side surface is convex surface；
Second lens have negative power, and object side is convex surface, and image side surface is concave surface；
The object side of first lens to the optical imaging lens distance TTL of the imaging surface on the optical axis with it is described
Total effective focal length f of optical imaging lens meets TTL/f≤1.0；And
The F-number Fno of the optical imaging lens meets Fno < 2.0.
2. optical imaging lens according to claim 1, which is characterized in that the third lens and the 4th lens exist
Spacing distance T34, the spacing distance T23 of second lens and the third lens on the optical axis on the optical axis with
The spacing distance T45 of 4th lens and the 5th lens on the optical axis meets 0.3≤T34/ (T23+T45) <
1.5。
3. optical imaging lens according to claim 1, which is characterized in that the effective focal length f1 of first lens and institute
The total effective focal length f for stating optical imaging lens meets 0.5 < f1/f < 1.0.
4. optical imaging lens according to claim 1, which is characterized in that the effective focal length f2 of second lens and institute
The total effective focal length f for stating optical imaging lens meets -1.5 < f2/f < -0.5.
5. optical imaging lens according to claim 1, which is characterized in that the curvature of the object side of first lens half
Total effective focal length f of diameter R1 and the optical imaging lens meets 0 < R1/f < 0.5.
6. 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 < R4/f < 1.0.
7. optical imaging lens according to claim 1, which is characterized in that the 5th lens on the optical axis in
The spacing distance T45 of heart thickness CT5 and the 4th lens and the 5th lens on the optical axis meets 0 < CT5/T45
< 1.0.
8. optical imaging lens according to claim 1, which is characterized in that second lens and the third lens
The effective focal length f1 of combined focal length f23 and first lens meets -2.0 < f23/f1 < -1.0.
9. optical imaging lens according to any one of claim 1 to 8, which is characterized in that first lens to institute
State the summation ∑ AT of spacing distance of two lens of arbitrary neighborhood on the optical axis and first lens to institute in the 5th lens
State the 5th lens respectively the center thickness on the optical axis summation ∑ CT meet 1.0 < ∑ AT/ ∑ CT < 1.5.
10. optical imaging lens, along optical axis by object side to image side sequentially include: the first lens with focal power, the second lens,
The third lens, the 4th lens and the 5th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface, and image side surface is convex surface；
Second lens have negative power, and object side is convex surface, and image side surface is concave surface；
The intersection point of the object sides of first lens and the optical axis to the object side of first lens effective radius vertex
Axis on distance SAG11 and the 5th lens object side and the optical axis intersection point to the object side of the 5th lens
Distance SAG51 meets -2.0 < SAG11/SAG51 < -0.5 on the axis on effective radius vertex.
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| WO2020164236A1 (en) * | 2019-02-13 | 2020-08-20 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN112684587A (en) * | 2021-01-12 | 2021-04-20 | 浙江舜宇光学有限公司 | Optical imaging lens |
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