CN109283665A - Imaging lens - Google Patents
Imaging lens Download PDFInfo
- Publication number
- CN109283665A CN109283665A CN201811494063.1A CN201811494063A CN109283665A CN 109283665 A CN109283665 A CN 109283665A CN 201811494063 A CN201811494063 A CN 201811494063A CN 109283665 A CN109283665 A CN 109283665A
- Authority
- CN
- China
- Prior art keywords
- lens
- imaging
- image side
- imaging lens
- object side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 313
- 239000000571 coke Substances 0.000 claims abstract description 94
- 230000003287 optical effect Effects 0.000 claims abstract description 82
- 210000001747 pupil Anatomy 0.000 claims description 22
- 238000010586 diagram Methods 0.000 description 22
- 230000004075 alteration Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 241000700608 Sagitta Species 0.000 description 5
- 201000009310 astigmatism Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 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
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- 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
Abstract
This application discloses a kind of imaging lens, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens by object side to image side along optical axis.Wherein, the first lens have positive light coke, and object side is convex surface；Second lens have focal power, and image side surface is concave surface；The third lens have focal power；Four lens have focal power, and object side is convex surface, and image side surface is concave surface；5th lens have positive light coke, and image side surface is convex surface；6th lens have negative power, and image side surface is concave surface；7th lens have negative power, and object side is convex surface, and image side surface is concave surface；And first at least one lens into the 7th lens of lens have it is non-rotationally-symmetric aspherical.
Description
Technical field
This application involves a kind of imaging lens, more particularly, to a kind of imaging lens including seven lens.
Background technique
In recent years, with the fast development of mobile lens mould group, especially large scale, high pixel CMOS chip it is universal,
Major cell phone manufacturer even more proposes harsh requirement while pursuing camera lens ultrathin to the image quality of camera lens.Currently
The mobile lens of mainstream generally use the aspherical of rotational symmetry (axial symmetry) to be used as its surface structure.
The camera lens (for example, postposition camera lens of mobile phone) for being currently applied to the portable electronic products such as mobile phone mostly uses seven chip knots
Structure, eyeglass face type are the aspherical of rotational symmetry (axial symmetry) mostly.The aspherical of this kind of rotational symmetry can be regarded as
What a curve in meridional plane was formed around 360 ° of optical axis rotation, therefore it only has in meridional plane adequately freely
Degree, can not well correct off-axis aberration.
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 imaging lens of at least one above-mentioned disadvantage, such as the imaging lens suitable for mobile phone postposition camera lens.
On the one hand, this application provides such a imaging lens, the imaging lens along optical axis by object side to image side according to
Sequence includes the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Wherein,
One lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power, image side surface
It can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power, object side
Face can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th lens can
With negative power, image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface, image side surface
It can be concave surface.Wherein, at least one lens of the first lens into the 7th lens can have non-rotationally-symmetric aspherical.
In one embodiment, the effective focal length fx of the X-direction of the Entry pupil diameters EPD and imaging lens of imaging lens
Fx/EPD < 2.4 can be met；And the effective focal length fy of the Y direction of the Entry pupil diameters EPD and imaging lens of imaging lens can
Meet fy/EPD < 2.4.
In one embodiment, the Y direction of the effective focal length fx and imaging lens of the X-direction of imaging lens has
Effect focal length fy can meet 0.9 < fx/fy < 1.1.
In one embodiment, the song of the Y direction of the image side surface of the effective focal length f7 and the 7th lens of the 7th lens
Rate radius R14 can meet -2.9 < f7/R14 < -2.6.
In one embodiment, the effective focal length fy of the Y direction of imaging lens, the object side of the 7th lens Y-axis
The radius of curvature R 14 of the Y direction of the image side surface of the radius of curvature R 13 and the 7th lens in direction can meet 0.6 < fy/ (R13+
R14) 0.8 <.
In one embodiment, the picture of the radius of curvature R 13 of the Y direction of the object side of the 7th lens and the 7th lens
The radius of curvature R 14 of the Y direction of side can meet 1.8≤(R13+R14)/(R13-R14) < 2.
In one embodiment, the picture of the radius of curvature R 14 of the Y direction of the image side surface of the 7th lens and the 7th lens
The radius of curvature R 14x of the X-direction of side can meet 0.8 < R14/R14x < 1.2.
In one embodiment, the effective focal length f5 of the effective focal length fy and the 5th lens of the Y direction of imaging lens
1.5 < fy/f5 < 2.0 can be met.
In one embodiment, the song of the Y direction of the image side surface of the effective focal length f5 and the 5th lens of the 5th lens
Rate radius R10 can meet -2.2 < f5/R10 < -1.8.
In one embodiment, the object side of effective half bore DT72 and the first lens of the image side surface of the 7th lens
Effective half bore DT11 can meet 3.1 < DT72/DT11 < 3.8.
In one embodiment, the edge thickness ET6 and the edge thickness ET5 of the 5th lens of the 6th lens can meet
1.7 < ET6/ET5 < 2.6.
In one embodiment, center thickness CT5 of the edge thickness ET5 and the 5th lens of the 5th lens on optical axis
3.1 < CT5/ET5 < 4.2 can be met.
In one embodiment, the object side of center thickness CT5 and first lens of the 5th lens on optical axis at
As distance TTL of the imaging surface on optical axis of camera lens can meet 0.1 < CT5/TTL < 0.3.
In one embodiment, the object side of the first lens to imaging lens distance TTL of the imaging surface on optical axis
TTL/ImgH < 1.5 can be met with the half ImgH of effective pixel area diagonal line length on the imaging surface of imaging lens.
In one embodiment, the first lens to the 7th lens respectively at the center thickness on optical axis summation ∑ CT with
First lens summation Σ T of airspace of two lens of arbitrary neighborhood on optical axis into the 7th lens can meet 3 < ∑ CT/ ∑s
T < 3.6.
On the other hand, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, the effective focal length fx of the X-direction of the Entry pupil diameters EPD and imaging lens of imaging lens can expire
Sufficient fx/EPD < 2.4；And the effective focal length fy of the Y direction of the Entry pupil diameters EPD and imaging lens of imaging lens can meet
Fy/EPD < 2.4.
Another aspect, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, effective coke of the Y direction of the effective focal length fx and imaging lens of the X-direction of imaging lens
0.9 < fx/fy < 1.1 can be met away from fy.
Another aspect, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, the image side surface of the radius of curvature R 14 of the Y direction of the image side surface of the 7th lens and the 7th lens
The radius of curvature R 14x of X-direction can meet 0.8 < R14/R14x < 1.2.
Another aspect, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, the effective focal length fy and the effective focal length f5 of the 5th lens of the Y direction of imaging lens can meet
1.5 < fy/f5 < 2.0.
Another aspect, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, effective half bore DT72 of the image side surface of the 7th lens and the object side of the first lens is effective
Half bore DT11 can meet 3.1 < DT72/DT11 < 3.8.
Another aspect, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, the edge thickness ET6 of the 6th lens and the edge thickness ET5 of the 5th lens can meet 1.7 <
ET6/ET5 < 2.6.
Another aspect, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, the edge thickness ET5 of the 5th lens and center thickness CT5 of the 5th lens on optical axis can expire
3.1 < CT5/ET5 < 4.2 of foot.
Another aspect, present invention also provides such a imaging lens, and the 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, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have positive light coke, and object side can be convex surface；Second lens have positive light coke or negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens have positive light coke or negative power,
Its object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light coke, and image side surface can be convex surface；6th
Lens can have negative power, and image side surface can be concave surface；7th lens can have negative power, and object side can be convex surface,
Image side surface can be concave surface.Wherein, the first lens to the 7th lens are respectively at the summation ∑ CT of the center thickness on optical axis and first
Lens summation Σ T of airspace of two lens of arbitrary neighborhood on optical axis into the 7th lens can meet 3 < ∑ CT/ ∑ T <
3.6。
The application uses multi-disc (for example, seven) lens, by each power of lens of reasonable distribution, face type, each
Spacing etc. on axis between the center thickness of mirror and each lens so that above-mentioned imaging lens have ultra-thin, large aperture, wide-angle and
At least one beneficial effect such as high image quality.In addition, it is non-rotationally-symmetric aspherical by introducing, to meridian outside the axis of imaging lens
Aberration and sagitta of arc aberration are corrected simultaneously, to further obtain the promotion of image 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 imaging lens according to the embodiment of the present application 1；
Fig. 2 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 1 in first quartile；
Fig. 3 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 2；
Fig. 4 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 2 in first quartile；
Fig. 5 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 3；
Fig. 6 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 3 in first quartile；
Fig. 7 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 4；
Fig. 8 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 4 in first quartile；
Fig. 9 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 5；
Figure 10 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 5 in first quartile；
Figure 11 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 6；
Figure 12 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 6 in first quartile；
Figure 13 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 7；
Figure 14 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 7 in first quartile；
Figure 15 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 8；
Figure 16 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 8 in first quartile；
Figure 17 shows the structural schematic diagrams according to the imaging lens of the embodiment of the present application 9；
Figure 18 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 9 in first quartile；
Figure 19 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 10；
Figure 20 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 10 in first quartile；
Figure 21 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 11；
Figure 22 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 11 in first quartile.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.In each lens, it is known as this thoroughly near the surface of object
The object side of mirror；In each lens, the image side surface of the lens is known as near the surface of imaging surface.
Herein, it is Z-direction that we, which define and are parallel to the direction of optical axis, vertical with Z axis and in the meridional plane
Direction be Y direction, it is vertical with Z axis and be located at sagittal plane in direction be X-direction.Unless otherwise stated, this
Each mark of reference in text in addition to the mark of reference for being related to visual field indicates the characteristic parameter of the Y direction along pick-up lens
Value.For example, in case of no particular description, the R14 in conditional " R14/R14x " indicates the Y of the image side surface of the 7th lens
The radius of curvature of axis direction, R14x indicate the radius of curvature of the X-direction of the image side surface of the 7th lens.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Imaging lens according to the application illustrative embodiments may include such as seven lens with focal power, that is,
First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens edges
Optical axis by object side to image side sequential, can have airspace between each adjacent lens.
In the exemplary embodiment, the first lens can have positive light coke, and object side can be convex surface；Second lens tool
There are positive light coke or negative power, image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens
With positive light coke or negative power, object side can be convex surface, and image side surface can be concave surface；5th lens can have positive light focus
Degree, image side surface can be convex surface；6th lens can have negative power, and image side surface can be concave surface；7th lens can have negative
Focal power, object side can be convex surface, and image side surface can be concave surface.Each power of lens of reasonable disposition imaging lens is just
Negative distribution, can active balance system low order aberration so that system obtains higher image quality.
Furthermore, it is possible to object side and/or image side surface by least one lens by the first lens into the 7th lens
It is set as non-rotationally-symmetric aspherical, further to promote image quality.It is non-rotationally-symmetric it is aspherical be a kind of free form surface,
Rotational symmetry it is aspherical on the basis of, increase non-rotational symmetry component, thus introduce in lens system non-rotationally-symmetric
It is aspherical to be conducive to by being effectively corrected to meridian aberration outside axis and sagitta of arc aberration, the greatly property of improving optical system
Energy.Optionally, the image side surface of the 7th lens can be non-rotationally-symmetric aspherical.
In the exemplary embodiment, the imaging lens of the application can meet 0.9 < fx/fy < 1.1 of conditional, wherein
Fx is the effective focal length of the X-direction of imaging lens, and fy is the effective focal length of the Y direction of imaging lens.More specifically, fx and
Fy can further meet 0.97≤fx/fy≤1.01.The X of imaging lens, the effective focal length of Y direction are rationally controlled, it can be effective
Correction effectively promotes image quality to meridian aberration outside the axis of imaging lens and sagitta of arc aberration.
In the exemplary embodiment, the imaging lens of the application can meet conditional fx/EPD < 2.4 and/or meet item
Part formula fy/EPD < 2.4, wherein fx is the effective focal length of the X-direction of imaging lens, and fy is the Y direction of imaging lens
Effective focal length, EPD are the Entry pupil diameters of imaging lens.More specifically, fx and EPD can further meet 2.0 < fx/EPD <
2.4, such as 2.11≤fx/EPD≤2.37, and fy and EPD can further meet 2.0 < fy/EPD < 2.4, such as 2.09≤
fy/EPD≤2.35.By meeting conditional fx/EPD < 2.4 and conditional fy/EPD < 2.4, can make imaging lens have compared with
Big relative aperture, stronger light collecting light ability can realize good image quality under dim environment, conveniently adapt to outer
The light and shade of boundary's environment changes.
In the exemplary embodiment, the imaging lens of the application can meet conditional TTL/ImgH < 1.5, wherein TTL
For the first lens object side to imaging lens distance of the imaging surface on optical axis, ImgH be imaging lens imaging surface on have
Imitate the half of pixel region diagonal line length.More specifically, TTL and ImgH can further meet 1.3 < TTL/ImgH < 1.5 of formula,
Such as 1.42≤TTL/ImgH≤1.49.By constraining the ratio of TTL and ImgH, it is advantageously implemented the ultrathin special of imaging lens
Property.
In the exemplary embodiment, the imaging lens of the application can meet conditional 1.8≤(R13+R14)/(R13-
R14) 2 <, wherein R13 is the radius of curvature of the Y direction of the object side of the 7th lens, and R14 is the image side surface of the 7th lens
The radius of curvature of Y direction.More specifically, R13 and R14 can further meet 1.80≤(R13+R14)/(R13-R14)≤
1.96.The rationally radius of curvature of the radius of curvature of the 7th lens image side surface of setting and object side, is conducive to keep imaging lens more preferable
Ground matching chip chief ray angle.
In the exemplary embodiment, the imaging lens of the application can meet 0.8 < R14/R14x < 1.2 of conditional,
In, R14 is the radius of curvature of the Y direction of the image side surface of the 7th lens, and R14x is the X-direction of the image side surface of the 7th lens
Radius of curvature.More specifically, R14 and R14x can further meet 0.86≤R14/R14x≤1.15.By meeting conditional 0.8
< R14/R14x < 1.2 can be effectively improved the meridian aberration and sagitta of arc aberration of imaging system, lifting system imaging performance.
In the exemplary embodiment, the imaging lens of the application can meet 0.1 < CT5/TTL < 0.3 of conditional,
In, CT5 is center thickness of the 5th lens on optical axis, and TTL is that the imaging surface of object side to the imaging lens of the first lens exists
Distance on optical axis.More specifically, CT5 and TTL can further meet 0.17≤CT5/TTL≤0.24.Rationally control the 5th is thoroughly
Center thickness of the mirror on optical axis, while guaranteeing optical lens group structural compactness, can meet camera lens machinability and
Craftsmanship requirement.
In the exemplary embodiment, the imaging lens of the application can meet 3 < ∑ CT/ ∑ T < 3.6 of conditional, wherein
∑ CT is summation of the first lens to the 7th lens respectively at the center thickness on optical axis, and Σ T is the first lens to the 7th lens
The summation of airspace of middle two lens of arbitrary neighborhood on optical axis.More specifically, ∑ CT and ∑ T can further meet 3.04≤
∑CT/∑T≤3.53.The rationally ratio of control ∑ CT and ∑ T, it is advantageously ensured that the miniaturization of camera lens.
In the exemplary embodiment, the imaging lens of the application can meet 1.5 < fy/f5 < 2.0 of conditional, wherein
Fy is the effective focal length of the Y direction of imaging lens, and f5 is the effective focal length of the 5th lens.More specifically, f and f5 further may be used
Meet 1.59≤fy/f5≤1.95.The rationally effective focal length of the 5th lens of control, can reduce the deflection angle of light, to reduce
The sensibility of imaging lens.
In the exemplary embodiment, the imaging lens of the application can meet -2.2 < -1.8 < f5/R10 of conditional,
In, f5 is the effective focal length of the 5th lens, and R10 is the radius of curvature of the Y direction of the image side surface of the 5th lens.More specifically,
F5 and R10 can further meet -2.14≤f5/R10≤- 1.81.The rationally radius of curvature of the image side surface of the 5th lens of setting, can
Imaging lens are made to have good astigmatism balanced capacity.
In the exemplary embodiment, the imaging lens of the application can meet -2.9 < -2.6 < f7/R14 of conditional,
In, f7 is the effective focal length of the 7th lens, and R14 is the radius of curvature of the Y direction of the image side surface of the 7th lens.More specifically,
F7 and R14 can further meet -2.85≤f7/R14≤- 2.67.The rationally radius of curvature of the image side surface of the 7th lens of setting, has
Conducive to correction coma or the curvature of field, and it is able to suppress astigmatism increase.
In the exemplary embodiment, the imaging lens of the application can meet 3.1 < DT72/DT11 < 3.8 of conditional,
In, DT72 is effective half bore of the image side surface of the 7th lens, and DT11 is effective half bore of the object side of the first lens.More
Body, DT72 and DT11 can further meet 3.11≤DT72/DT11≤3.78.By meeting 3.1 < DT72/DT11 of conditional
< 3.8 can rationally control height change of the peripheral field light in imaging lens, advantageously reduce the sensitivity of peripheral field
Degree.
In the exemplary embodiment, the imaging lens of the application can meet 1.7 < ET6/ET5 < 2.6 of conditional,
In, ET6 is the edge thickness of the 6th lens, and ET5 is the edge thickness of the 5th lens.More specifically, ET6 and ET5 further may be used
Meet 1.72≤ET6/ET5≤2.54.By meeting 1.7 < ET6/ET5 < 2.6 of conditional, the edge of imaging system can be regarded
The distortion of field carries out Effective Regulation, so that the amount of distortion of peripheral field is controlled in reasonable range.
In the exemplary embodiment, the imaging lens of the application can meet 3.1 < CT5/ET5 < 4.2 of conditional,
In, ET5 is the edge thickness of the 5th lens, and CT5 is center thickness of the 5th lens on optical axis.More specifically, CT5 and ET5
3.15≤CT5/ET5≤4.15 can further be met.The thickness ratio of the 5th lens of reasonable disposition, can meet the machinability of camera lens
With craftsmanship requirement.
In the exemplary embodiment, the imaging lens of the application can meet conditional 0.6 < fy/ (R13+R14) <
0.8, wherein fy is the effective focal length of the Y direction of imaging lens, and R13 is the curvature of the Y direction of the object side of the 7th lens
Radius, R14 are the radius of curvature of the Y direction of the image side surface of the 7th lens.More specifically, f, R13 and R14 can further meet
0.67≤fy/(R13+R14)≤0.79.By meeting conditional 0.6 < fy/ (R13+R14) < 0.8, the 7th can be rationally controlled
The astigmatism contribution amount of lens, improves the image quality of camera lens.
In the exemplary embodiment, above-mentioned imaging lens may also include diaphragm, to promote the image quality of camera lens.It is optional
Ground, diaphragm may be provided between object side and the first lens.
Optionally, above-mentioned imaging lens may also include the optical filter for correcting color error ratio and/or be located at for protecting
The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above seven can be used according to the imaging lens of the above embodiment of the application.
By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing etc., can
The volume for effectively reducing camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that imaging lens are more advantageous
In producing and processing and be applicable to portable electronic product.In addition, it is non-rotationally-symmetric aspherical by introducing, to imaging lens
The outer meridian aberration of the axis of head and sagitta of arc aberration are corrected, and can be obtained further image quality and be promoted.
In presently filed embodiment, the mirror surface of each lens mostly uses aspherical mirror.The characteristics of non-spherical lens, is:
From lens centre to lens perimeter, curvature is consecutive variations.With the ball from lens centre to lens perimeter with constant curvature
Face lens are different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve astigmatic image error
Advantage.After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve at image quality
Amount.Optionally, in the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens
At least one of the object side of each lens and image side surface can be aspherical.Optionally, the first lens, the second lens, third
Lens, the 4th lens, the 5th lens, the object side of the 6th lens and each lens in the 7th lens and image side surface can be non-
Spherical surface.
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 imaging lens can be changed, to obtain each result and advantage described in this specification.Though for example,
It is so described by taking seven lens as an example in embodiments, but the imaging lens are not limited to include seven lens.If
It needs, which may also include the lens of other quantity.
The specific embodiment for being applicable to the imaging lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 and Fig. 2 description according to the imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to the application reality
Apply the structural schematic diagram of the imaging lens of example 1.
As shown in Figure 1, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 1 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 1
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 1
It should be understood that in upper table without especially indicate (blank space) " radius of curvature X " and " circular cone coefficient X " with it is right
" radius of curvature Y " and " circular cone coefficient Y " numerical value answered is consistent.It is similar in following embodiment.
As shown in Table 1, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5 and
The object side of any one lens and image side surface are aspherical in six lens E6.In the present embodiment, each non-spherical lens
Face type x is available but is not limited to following aspherical formula and is defined:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of mirror surface S1-S124、A6、A8、A10、A12、A14、A16、A18And A20。
Table 2
By table 1 it can also be seen that the object side S13 and image side surface S14 of the 7th lens E7 are non-rotationally-symmetric aspherical
(that is, the face AAS), non-rotationally-symmetric aspherical face type it is available but be not limited to following non-rotationally-symmetric aspherical formula into
Row limits:
Wherein, z is the rise for being parallel to the face of Z-direction；Cx, Cy are respectively curvature (=1/ song of X, Y-direction vertex of surface
Rate radius)；Kx, Ky are respectively X, Y-direction circular cone coefficient；AR, BR, CR, DR, ER, FR, GR, HR, JR are respectively aspherical rotation
4 ranks, 6 ranks, 8 ranks in symmetrical components, 10 ranks, 12 ranks, 14 ranks, 16 ranks, 18 ranks, 20 level numbers；AP,BP,CP,DP,EP,FP,
GP, HP, JP are respectively 4 ranks, 6 ranks, 8 ranks, 10 ranks, 12 ranks, 14 ranks, 16 ranks, 18 ranks, 20 in aspherical non-rotational symmetry component
Level number.The following table 3 give the AR, BR that can be used for the non-rotationally-symmetric aspherical S13 and S14 in embodiment 1, CR, DR,
ER, FR, GR, HR, JR coefficient and AP, BP, CP, DP, EP, FP, GP, HP, JP coefficient.
Table 3
Table 4 give the effective focal length f1 to f7 of each lens in embodiment 1, imaging lens X-direction effective focal length fx,
The effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL (that is, from the object side S1 of the first lens E1
To distance of the imaging surface S17 on optical axis), the half ImgH of effective pixel area diagonal line length, maximum half view on imaging surface S17
The Entry pupil diameters EPD of rink corner HFOV and imaging lens.
| f1(mm) | 4.08 | fx(mm) | 3.03 |
| f2(mm) | -7.57 | fy(mm) | 3.01 |
| f3(mm) | 11.96 | TTL(mm) | 4.29 |
| f4(mm) | -18.04 | ImgH(mm) | 2.93 |
| f5(mm) | 1.65 | HFOV(°) | 45.0 |
| f6(mm) | -4.84 | EPD(mm) | 1.32 |
| f7(mm) | -2.66 |
Table 4
Imaging lens in embodiment 1 meet:
Fx/EPD=2.29, wherein fx is the effective focal length of the X-direction of imaging lens, and EPD is the entrance pupil of imaging lens
Diameter；
Fy/EPD=2.28, wherein fy is the effective focal length of the Y direction of imaging lens, and EPD is the entrance pupil of imaging lens
Diameter；
TTL/ImgH=1.46, wherein TTL is that the imaging surface S17 of object side S1 to the imaging lens of the first lens E1 exists
Distance on optical axis, ImgH are the half of effective pixel area diagonal line length on the imaging surface S17 of imaging lens；
(R13+R14)/(R13-R14)=1.93, wherein R13 is the Y direction of the object side S13 of the 7th lens E7
Radius of curvature, R14 are the radius of curvature of the Y direction of the image side surface S14 of the 7th lens E7；
R14/R14x=1.06, wherein R14 is the radius of curvature of the Y direction of the image side surface S14 of the 7th lens E7,
R14x is the radius of curvature of the X-direction of the image side surface S14 of the 7th lens E7；
CT5/TTL=0.19, wherein CT5 is center thickness of the 5th lens E5 on optical axis, and TTL is the first lens E1
Object side S1 to imaging lens distance of the imaging surface S17 on optical axis；
∑ CT/ ∑ T=3.15, wherein ∑ CT is the first lens E1 to the 7th lens E7 thick respectively at the center on optical axis
The summation of degree, Σ T are the summation of the airspace of two lens of arbitrary neighborhood on optical axis into the 7th lens E7 the first lens E1；
Fy/f5=1.83, wherein fy is the effective focal length of the Y direction of imaging lens, and f5 is the effective of the 5th lens E5
Focal length；
F5/R10=-1.99, wherein f5 is the effective focal length of the 5th lens E5, and R10 is the image side surface of the 5th lens E5
The radius of curvature of the Y direction of S10；
F7/R14=-2.82, wherein f7 is the effective focal length of the 7th lens E7, and R14 is the image side surface of the 7th lens E7
The radius of curvature of the Y direction of S14；
DT72/DT11=3.57, wherein DT72 is effective half bore of the image side surface S14 of the 7th lens E7, DT11 the
Effective half bore of the object side S1 of one lens E1；
ET6/ET5=1.88, wherein ET6 is the edge thickness of the 6th lens E6, and the edge that ET5 is the 5th lens E5 is thick
Degree；
CT5/ET5=3.31, wherein ET5 is the edge thickness of the 5th lens E5, and CT5 is the 5th lens E5 on optical axis
Center thickness；
Fy/ (R13+R14)=0.77, wherein fy is the effective focal length of the Y direction of imaging lens, and R13 is the 7th lens
The radius of curvature of the Y direction of the object side S13 of E7, R14 are the curvature half of the Y direction of the image side surface S14 of the 7th lens E7
Diameter；
Fx/fy=1.01, wherein fx is the effective focal length of the X-direction of imaging lens, and fy is the Y-axis side of imaging lens
To effective focal length.
It is big at different image heights position in first quartile that Fig. 2 shows the RMS spot diameters of the imaging lens of embodiment 1
Small situation.As can be seen from FIG. 2, imaging lens given by embodiment 1 can be realized good image quality.
Embodiment 2
Referring to Fig. 3 and Fig. 4 description according to the imaging lens of the embodiment of the present application 2.In the present embodiment and following implementation
In example, for brevity, by clipped description similar to Example 1.Fig. 3 show according to the embodiment of the present application 2 at
As the structural schematic diagram of camera lens.
As shown in figure 3, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, 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 positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 5 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 2
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 5
As shown in Table 5, in example 2, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side of any one lens and image side surface are aspherical in five lens E5 and the 6th lens E6；The object side of 7th lens E7
Face S13 and image side surface S14 is non-rotationally-symmetric aspherical.
Table 6 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.Table 7 show can be used for it is non-rotationally-symmetric aspherical in embodiment 2
The rotational symmetry component of S13 and S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -7.79E-03 | -1.18E-03 | -1.84E-04 | -1.80E-05 | -9.11E-06 | 2.11E-06 | -2.44E-06 | 0.00E+00 | 0.00E+00 |
| S2 | -6.66E-02 | -6.64E-03 | -3.97E-04 | -5.76E-05 | -1.83E-05 | -5.87E-06 | -1.94E-06 | 0.00E+00 | 0.00E+00 |
| S3 | -6.60E-02 | -9.24E-03 | -6.61E-05 | -2.96E-06 | -2.21E-05 | -1.83E-05 | -2.15E-06 | 0.00E+00 | 0.00E+00 |
| S4 | -5.38E-02 | -1.09E-02 | 3.73E-04 | -1.22E-04 | 4.57E-05 | -2.86E-05 | 5.85E-06 | 0.00E+00 | 0.00E+00 |
| S5 | -9.80E-02 | -1.02E-02 | 2.93E-03 | 6.72E-04 | 2.64E-04 | -3.87E-05 | -2.94E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -6.57E-02 | -5.11E-03 | 2.93E-03 | 9.39E-04 | 3.06E-04 | -1.78E-05 | -7.50E-06 | 0.00E+00 | 0.00E+00 |
| S7 | -9.03E-02 | -3.06E-03 | 1.50E-03 | -1.57E-03 | 2.95E-04 | -2.39E-04 | 4.07E-05 | 0.00E+00 | 0.00E+00 |
| S8 | -1.11E-01 | 3.89E-04 | 1.11E-05 | -4.52E-03 | -1.93E-04 | -3.60E-05 | 3.13E-05 | 0.00E+00 | 0.00E+00 |
| S9 | 8.88E-02 | -5.37E-03 | -9.69E-04 | -1.79E-03 | -1.18E-03 | 4.90E-04 | -2.79E-04 | 0.00E+00 | 0.00E+00 |
| S10 | -2.07E-02 | 6.25E-02 | 1.22E-03 | -9.84E-03 | -1.09E-03 | 5.95E-04 | 1.07E-03 | 0.00E+00 | 0.00E+00 |
| S11 | -5.89E-01 | -6.52E-02 | 4.70E-02 | -1.40E-02 | 8.43E-03 | -2.65E-03 | -1.23E-03 | -1.64E-03 | -1.05E-03 |
| S12 | -5.85E-01 | -1.74E-03 | 9.42E-02 | -5.05E-02 | 2.79E-02 | -1.91E-02 | 2.45E-03 | -2.70E-03 | 2.62E-03 |
Table 6
Table 7
Table 8 give the effective focal length f1 to f7 of each lens in embodiment 2, imaging lens X-direction effective focal length fx,
Effective pixel area pair on the effective focal length fy of imaging lens Y direction, optics total length TTL, the imaging surface S17 of imaging lens
The Entry pupil diameters EPD of linea angulata long half ImgH, maximum angle of half field-of view HFOV and imaging lens.
| f1(mm) | 4.59 | fx(mm) | 3.05 |
| f2(mm) | 133.67 | fy(mm) | 3.02 |
| f3(mm) | -10.66 | TTL(mm) | 4.29 |
| f4(mm) | 52.20 | ImgH(mm) | 2.93 |
| f5(mm) | 1.54 | HFOV(°) | 44.7 |
| f6(mm) | -3.88 | EPD(mm) | 1.32 |
| f7(mm) | -2.67 |
Table 8
The RMS spot diameter that Fig. 4 shows the imaging lens of embodiment 2 is big at different image heights position in first quartile
Small situation.As can be seen from FIG. 4, imaging lens given by embodiment 2 can be realized good image quality.
Embodiment 3
The imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 and Fig. 6.Fig. 5 is shown according to the application
The structural schematic diagram of the imaging lens of embodiment 3.
As shown in figure 5, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
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
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 positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 9 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 3
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 9
As shown in Table 9, in embodiment 3, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object of the object side of any one lens and image side surface, the object side S9 of the 5th lens E5 and the 7th lens E7 in six lens E6
Side S13 is aspherical；The image side surface S14 of the image side surface S10 and the 7th lens E7 of 5th lens E5 are non-rotationally-symmetric
It is aspherical.
Table 10 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 11 show can be used for it is non-rotationally-symmetric aspherical in embodiment 3
The rotational symmetry component of S10 and S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -6.99E-03 | -9.41E-04 | -1.69E-04 | -2.19E-05 | -1.26E-05 | -7.11E-07 | -4.90E-06 | 0.00E+00 | 0.00E+00 |
| S2 | -5.81E-02 | -7.42E-03 | -7.40E-04 | -5.84E-05 | -2.38E-05 | 2.51E-06 | -5.87E-06 | 0.00E+00 | 0.00E+00 |
| S3 | -5.96E-02 | -9.28E-03 | -9.98E-04 | 2.72E-05 | 8.94E-06 | 2.71E-05 | 7.62E-06 | 0.00E+00 | 0.00E+00 |
| S4 | -3.75E-02 | -1.07E-02 | -2.05E-04 | 4.30E-04 | 9.16E-05 | 3.76E-05 | 7.62E-06 | 0.00E+00 | 0.00E+00 |
| S5 | -9.84E-02 | -6.30E-03 | 1.72E-03 | 1.42E-03 | 1.62E-04 | 1.28E-06 | -3.32E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -6.50E-02 | -3.78E-03 | 2.22E-03 | 9.83E-04 | 2.13E-05 | 1.66E-05 | 1.29E-05 | 0.00E+00 | 0.00E+00 |
| S7 | -8.22E-02 | -2.58E-03 | 3.05E-03 | -1.26E-03 | 4.73E-04 | -1.03E-04 | 1.04E-04 | 0.00E+00 | 0.00E+00 |
| S8 | -1.13E-01 | -7.03E-04 | 5.29E-03 | -9.60E-04 | 7.15E-04 | -1.13E-05 | 1.29E-04 | 0.00E+00 | 0.00E+00 |
| S9 | 6.96E-02 | -6.11E-03 | 2.97E-04 | -9.52E-04 | -5.51E-04 | 1.44E-04 | -3.41E-05 | 0.00E+00 | 0.00E+00 |
| S11 | -4.92E-01 | -6.78E-02 | 3.71E-02 | -6.34E-03 | 6.52E-03 | 7.24E-04 | 7.20E-04 | -1.95E-04 | -3.43E-04 |
| S12 | -4.59E-01 | -3.05E-02 | 6.15E-02 | -3.43E-02 | 1.67E-02 | -4.13E-03 | 2.09E-03 | -1.50E-03 | 3.14E-04 |
| S13 | -1.50E+00 | 2.91E-01 | -8.88E-02 | 1.25E-02 | 2.98E-03 | -3.48E-03 | -5.73E-04 | 1.04E-03 | -3.02E-04 |
Table 10
Table 11
Table 12 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 3, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
Table 12
The RMS spot diameter that Fig. 6 shows the imaging lens of embodiment 3 is big at different image heights position in first quartile
Small situation.As can be seen from FIG. 6, imaging lens given by embodiment 3 can be realized good image quality.
Embodiment 4
The imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 and Fig. 8.Fig. 7 is shown according to the application
The structural schematic diagram of the imaging lens of embodiment 4.
As shown in fig. 7, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
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 concave surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 13 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 4
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 13
As shown in Table 13, in example 4, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object of the object side of any one lens and image side surface, the object side S9 of the 5th lens E5 and the 7th lens E7 in six lens E6
Side S13 is aspherical；The image side surface S14 of the image side surface S10 and the 7th lens E7 of 5th lens E5 are non-rotationally-symmetric
It is aspherical.
Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 15 show can be used for it is non-rotationally-symmetric aspherical in embodiment 4
The rotational symmetry component of S10 and S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
Table 14
Table 15
Table 16 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 4, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
| f1(mm) | 3.61 | fx(mm) | 2.97 |
| f2(mm) | -6.26 | fy(mm) | 3.00 |
| f3(mm) | 34.39 | TTL(mm) | 4.30 |
| f4(mm) | 32.19 | ImgH(mm) | 2.93 |
| f5(mm) | 1.69 | HFOV(°) | 45.5 |
| f6(mm) | -4.72 | EPD(mm) | 1.32 |
| f7(mm) | -2.51 |
Table 16
The RMS spot diameter that Fig. 8 shows the imaging lens of embodiment 4 is big at different image heights position in first quartile
Small situation.As can be seen from FIG. 8, imaging lens given by embodiment 4 can be realized good image quality.
Embodiment 5
The imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 and Figure 10.Fig. 9 is shown according to this Shen
Please embodiment 5 imaging lens structural schematic diagram.
As shown in figure 9, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
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 concave surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 17 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 5
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 17
As shown in Table 17, in embodiment 5, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object of the object side of any one lens and image side surface, the object side S9 of the 5th lens E5 and the 7th lens E7 in six lens E6
Side S13 is aspherical；The image side surface S14 of the image side surface S10 and the 7th lens E7 of 5th lens E5 are non-rotationally-symmetric
It is aspherical.
Table 18 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 19 show can be used for it is non-rotationally-symmetric aspherical in embodiment 5
The rotational symmetry component of S10 and S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -6.97E-03 | -9.37E-04 | -1.65E-04 | -2.24E-05 | -1.20E-05 | -4.77E-07 | -4.55E-06 | 0.00E+00 | 0.00E+00 |
| S2 | -5.75E-02 | -7.48E-03 | -7.88E-04 | -5.63E-05 | -2.26E-05 | 7.33E-06 | -4.84E-06 | 0.00E+00 | 0.00E+00 |
| S3 | -5.93E-02 | -9.36E-03 | -1.09E-03 | 2.70E-05 | 1.30E-05 | 3.56E-05 | 1.22E-05 | 0.00E+00 | 0.00E+00 |
| S4 | -3.77E-02 | -1.07E-02 | -2.30E-04 | 4.30E-04 | 9.25E-05 | 4.03E-05 | 1.07E-05 | 0.00E+00 | 0.00E+00 |
| S5 | -9.82E-02 | -6.42E-03 | 1.76E-03 | 1.40E-03 | 1.71E-04 | -3.33E-06 | -3.00E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -6.50E-02 | -3.79E-03 | 2.21E-03 | 1.03E-03 | 4.88E-06 | 1.67E-05 | 1.03E-05 | 0.00E+00 | 0.00E+00 |
| S7 | -8.25E-02 | -2.55E-03 | 3.02E-03 | -1.29E-03 | 4.63E-04 | -1.12E-04 | 9.90E-05 | 0.00E+00 | 0.00E+00 |
| S8 | -1.14E-01 | -1.19E-03 | 5.37E-03 | -9.95E-04 | 7.30E-04 | -2.92E-05 | 1.24E-04 | 0.00E+00 | 0.00E+00 |
| S9 | 6.82E-02 | -6.25E-03 | 2.89E-04 | -9.40E-04 | -5.65E-04 | 1.38E-04 | -3.65E-05 | 0.00E+00 | 0.00E+00 |
| S11 | -4.91E-01 | -7.10E-02 | 3.80E-02 | -6.90E-03 | 6.84E-03 | 4.75E-04 | 7.59E-04 | -2.20E-04 | -3.12E-04 |
| S12 | -4.66E-01 | -2.90E-02 | 6.11E-02 | -3.41E-02 | 1.67E-02 | -4.16E-03 | 2.10E-03 | -1.50E-03 | 3.14E-04 |
| S13 | -1.49E+00 | 2.90E-01 | -8.90E-02 | 1.27E-02 | 3.00E-03 | -3.48E-03 | -5.77E-04 | 1.04E-03 | -3.02E-04 |
Table 18
Table 19
Table 20 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 5, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
| f1(mm) | 3.60 | fx(mm) | 2.95 |
| f2(mm) | -6.18 | fy(mm) | 3.00 |
| f3(mm) | 32.72 | TTL(mm) | 4.28 |
| f4(mm) | 25.56 | ImgH(mm) | 2.93 |
| f5(mm) | 1.65 | HFOV(°) | 45.5 |
| f6(mm) | -4.50 | EPD(mm) | 1.32 |
| f7(mm) | -2.35 |
Table 20
Figure 10 shows the RMS spot diameters of the imaging lens of embodiment 5 in first quartile at different image heights position
Size cases.As can be seen from FIG. 10, imaging lens given by embodiment 5 can be realized good image quality.
Embodiment 6
The imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 and Figure 12.
Figure 11 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 6.
As shown in figure 11, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 21 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 6
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 21
As shown in Table 21, in embodiment 6, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side S13 of the object side of any one lens and image side surface and the 7th lens E7 is equal in five lens E5 and the 6th lens E6
It is aspherical；The image side surface S14 of 7th lens E7 is non-rotationally-symmetric aspherical.
Table 22 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 23 show can be used for it is non-rotationally-symmetric aspherical in embodiment 6
The rotational symmetry component of S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by
The formula (2) provided in above-described embodiment 1 limits.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -7.81E-03 | -1.28E-03 | -1.81E-04 | -3.41E-05 | -3.27E-06 | -1.75E-06 | 4.45E-07 | 0.00E+00 | 0.00E+00 |
| S2 | -6.04E-02 | -7.50E-03 | -2.15E-04 | 5.99E-05 | -1.06E-05 | -4.64E-06 | 1.51E-07 | 0.00E+00 | 0.00E+00 |
| S3 | -5.96E-02 | -8.91E-03 | 1.98E-04 | 3.58E-04 | 2.71E-05 | -5.63E-06 | -3.55E-06 | 0.00E+00 | 0.00E+00 |
| S4 | -3.82E-02 | -1.10E-02 | -2.27E-04 | 3.56E-04 | 1.36E-05 | 7.71E-06 | -7.99E-06 | 0.00E+00 | 0.00E+00 |
| S5 | -1.02E-01 | -6.32E-03 | 1.07E-03 | 9.43E-04 | 2.67E-05 | 2.06E-05 | -2.94E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -6.52E-02 | -3.68E-03 | 2.28E-03 | 4.52E-04 | -8.54E-05 | 1.64E-05 | 1.25E-05 | 0.00E+00 | 0.00E+00 |
| S7 | -8.72E-02 | -4.37E-03 | 2.34E-03 | -1.28E-03 | 4.62E-04 | -1.01E-04 | 7.55E-05 | 0.00E+00 | 0.00E+00 |
| S8 | -1.02E-01 | 9.88E-05 | 5.06E-03 | -1.18E-03 | 7.74E-04 | -5.12E-05 | 7.21E-05 | 0.00E+00 | 0.00E+00 |
| S9 | 7.43E-02 | -6.73E-03 | 6.35E-04 | -2.31E-04 | -6.55E-04 | 1.70E-04 | -5.92E-05 | 0.00E+00 | 0.00E+00 |
| S10 | -2.44E-02 | 5.07E-02 | 7.01E-04 | -4.54E-03 | -9.90E-04 | -2.98E-04 | 4.10E-04 | 0.00E+00 | 0.00E+00 |
| S11 | -4.68E-01 | -8.54E-02 | 3.54E-02 | -1.48E-02 | 7.33E-03 | -8.87E-04 | 1.46E-03 | -6.84E-05 | -1.70E-04 |
| S12 | -6.05E-01 | -4.91E-03 | 6.12E-02 | -3.71E-02 | 2.20E-02 | -7.43E-03 | 2.41E-03 | -2.26E-03 | 8.32E-04 |
| S13 | -1.30E+00 | 2.47E-01 | -5.93E-02 | 4.45E-03 | 4.87E-03 | -1.56E-03 | -9.91E-04 | 6.11E-04 | -9.16E-05 |
Table 22
Table 23
Table 24 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 6, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
| f1(mm) | 3.95 | fx(mm) | 2.93 |
| f2(mm) | -7.50 | fy(mm) | 3.01 |
| f3(mm) | 15.73 | TTL(mm) | 4.25 |
| f4(mm) | -51.30 | ImgH(mm) | 2.93 |
| f5(mm) | 1.56 | HFOV(°) | 44.6 |
| f6(mm) | -3.92 | EPD(mm) | 1.32 |
| f7(mm) | -2.50 |
Table 24
Figure 12 shows the RMS spot diameters of the imaging lens of embodiment 6 in first quartile at different image heights position
Size cases.As can be seen from FIG. 12, imaging lens given by embodiment 6 can be realized good image quality.
Embodiment 7
The imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 and Figure 14.
Figure 13 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 7.
As shown in figure 13, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
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 concave surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 25 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 7
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 25
As shown in Table 25, in embodiment 7, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side S13 of the object side of any one lens and image side surface and the 7th lens E7 is equal in five lens E5 and the 6th lens E6
It is aspherical；The image side surface S14 of 7th lens E7 is non-rotationally-symmetric aspherical.
Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 27 show can be used for it is non-rotationally-symmetric aspherical in embodiment 7
The rotational symmetry component of S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by
The formula (2) provided in above-described embodiment 1 limits.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -9.65E-03 | -1.58E-03 | -2.32E-04 | -4.12E-05 | -5.38E-06 | -1.66E-06 | 7.43E-07 | 0.00E+00 | 0.00E+00 |
| S2 | -6.34E-02 | -7.58E-03 | -3.31E-04 | 1.38E-05 | -3.42E-05 | -9.34E-06 | -2.15E-06 | 0.00E+00 | 0.00E+00 |
| S3 | -5.85E-02 | -8.41E-03 | 1.29E-04 | 3.00E-04 | -3.17E-05 | -1.12E-05 | -8.62E-06 | 0.00E+00 | 0.00E+00 |
| S4 | -4.15E-02 | -1.13E-02 | -4.91E-04 | 3.05E-04 | -7.61E-06 | 1.02E-05 | -7.43E-06 | 0.00E+00 | 0.00E+00 |
| S5 | -1.02E-01 | -6.56E-03 | 9.46E-04 | 9.73E-04 | 2.99E-05 | 1.51E-05 | -2.65E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -6.68E-02 | -3.20E-03 | 2.43E-03 | 2.99E-04 | -1.02E-04 | -7.44E-06 | 1.52E-05 | 0.00E+00 | 0.00E+00 |
| S7 | -8.91E-02 | -5.34E-03 | 2.22E-03 | -1.48E-03 | 4.06E-04 | -3.60E-05 | 8.63E-05 | 0.00E+00 | 0.00E+00 |
| S8 | -1.05E-01 | 5.41E-05 | 5.53E-03 | -6.43E-04 | 7.74E-04 | 6.26E-05 | 9.98E-05 | 0.00E+00 | 0.00E+00 |
| S9 | 8.59E-02 | -6.29E-03 | 2.28E-03 | 3.42E-04 | -7.11E-04 | 1.65E-04 | -1.11E-05 | 0.00E+00 | 0.00E+00 |
| S10 | -4.04E-03 | 5.01E-02 | 9.90E-04 | -3.15E-03 | -7.27E-04 | -3.39E-04 | 3.90E-04 | 0.00E+00 | 0.00E+00 |
| S11 | -4.72E-01 | -1.11E-01 | 2.86E-02 | -1.53E-02 | 6.56E-03 | 6.66E-05 | 1.83E-03 | 4.62E-04 | 5.61E-05 |
| S12 | -6.04E-01 | -1.08E-02 | 5.98E-02 | -3.61E-02 | 2.25E-02 | -7.86E-03 | 2.10E-03 | -1.93E-03 | 8.08E-04 |
| S13 | -1.31E+00 | 2.47E-01 | -5.94E-02 | 4.58E-03 | 4.89E-03 | -1.56E-03 | -9.94E-04 | 6.10E-04 | -9.20E-05 |
Table 26
Table 27
Table 28 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 7, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
| f1(mm) | 3.60 | fx(mm) | 2.89 |
| f2(mm) | -6.53 | fy(mm) | 2.87 |
| f3(mm) | 13.12 | TTL(mm) | 4.16 |
| f4(mm) | -39.10 | ImgH(mm) | 2.93 |
| f5(mm) | 1.65 | HFOV(°) | 45.9 |
| f6(mm) | -4.13 | EPD(mm) | 1.22 |
| f7(mm) | -2.72 |
Table 28
Figure 14 shows the RMS spot diameters of the imaging lens of embodiment 7 in first quartile at different image heights position
Size cases.As can be seen from FIG. 14, imaging lens given by embodiment 7 can be realized good image quality.
Embodiment 8
The imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 and Figure 16.
Figure 15 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 8.
As shown in figure 15, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 29 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 8
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 29
As shown in Table 29, in embodiment 8, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side S13 of the object side of any one lens and image side surface and the 7th lens E7 is equal in five lens E5 and the 6th lens E6
It is aspherical；The image side surface S14 of 7th lens E7 is non-rotationally-symmetric aspherical.
Table 30 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 31 show can be used for it is non-rotationally-symmetric aspherical in embodiment 8
The rotational symmetry component of S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by
The formula (2) provided in above-described embodiment 1 limits.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -5.41E-03 | -7.08E-04 | -1.38E-04 | -1.75E-05 | -9.37E-06 | 1.11E-06 | -3.03E-06 | 0.00E+00 | 0.00E+00 |
| S2 | -4.57E-02 | -5.56E-03 | -9.06E-04 | -1.03E-04 | -3.95E-05 | 1.36E-06 | -2.10E-06 | 0.00E+00 | 0.00E+00 |
| S3 | -6.50E-02 | -7.17E-03 | -1.59E-03 | -1.63E-04 | -8.45E-05 | -9.46E-06 | 3.24E-06 | 0.00E+00 | 0.00E+00 |
| S4 | -4.37E-02 | -1.17E-02 | 2.84E-05 | 2.19E-04 | 9.07E-05 | 7.60E-07 | 1.61E-05 | 0.00E+00 | 0.00E+00 |
| S5 | -1.07E-01 | -7.57E-03 | 2.46E-03 | 1.62E-03 | 3.07E-04 | -2.29E-05 | -4.59E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -7.39E-02 | -2.32E-03 | 4.35E-03 | 1.13E-03 | 2.89E-04 | 5.06E-05 | 4.73E-05 | 0.00E+00 | 0.00E+00 |
| S7 | -9.86E-02 | -3.82E-03 | 2.86E-03 | -1.38E-03 | 7.04E-04 | -4.49E-05 | 1.91E-04 | 0.00E+00 | 0.00E+00 |
| S8 | -1.40E-01 | -6.94E-03 | 2.60E-03 | -1.54E-03 | 6.39E-04 | -7.46E-05 | 1.19E-04 | 0.00E+00 | 0.00E+00 |
| S9 | 9.64E-02 | -4.76E-03 | -5.67E-04 | -3.63E-03 | -6.75E-04 | -8.28E-05 | -1.54E-04 | 0.00E+00 | 0.00E+00 |
| S10 | 1.74E-02 | 7.28E-02 | -6.29E-03 | -1.01E-02 | -2.66E-03 | 7.11E-04 | 8.54E-04 | 0.00E+00 | 0.00E+00 |
| S11 | 2.20E-01 | -7.48E-01 | 8.11E-01 | -3.46E-01 | -2.38E-01 | 4.02E-01 | -2.24E-01 | 5.82E-02 | -5.93E-03 |
| S12 | -6.57E-01 | 3.14E-02 | 6.85E-02 | -2.75E-02 | 2.07E-02 | -8.15E-03 | -1.92E-04 | -1.73E-03 | 9.93E-04 |
| S13 | -1.78E+00 | 3.72E-01 | -1.27E-01 | 1.97E-02 | -3.43E-03 | -7.29E-03 | 1.67E-03 | 1.43E-03 | -1.21E-03 |
Table 30
Table 31
Table 32 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 8, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
Table 32
Figure 16 shows the RMS spot diameters of the imaging lens of embodiment 8 in first quartile at different image heights position
Size cases.As can be seen from FIG. 16, imaging lens given by embodiment 8 can be realized good image quality.
Embodiment 9
The imaging lens according to the embodiment of the present application 9 are described referring to Figure 17 and Figure 18.
Figure 17 shows the structural schematic diagrams according to the imaging lens of the embodiment of the present application 9.
As shown in figure 17, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 33 shows surface type, radius of curvature, the radius of curvature Y, thickness of each lens of the imaging lens of embodiment 9
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 33
As shown in Table 33, in embodiment 9, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side S13 of the object side of any one lens and image side surface and the 7th lens E7 is equal in five lens E5 and the 6th lens E6
It is aspherical；The image side surface S14 of 7th lens E7 is non-rotationally-symmetric aspherical.
Table 34 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 9, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 35 show can be used for it is non-rotationally-symmetric aspherical in embodiment 9
The rotational symmetry component of S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by
The formula (2) provided in above-described embodiment 1 limits.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.76E-03 | -7.53E-04 | -1.94E-04 | -3.01E-05 | -1.00E-05 | 2.59E-06 | -2.29E-06 | 0.00E+00 | 0.00E+00 |
| S2 | -5.46E-02 | -7.82E-03 | -2.05E-03 | -2.90E-04 | -4.19E-05 | 9.65E-06 | 2.43E-06 | 0.00E+00 | 0.00E+00 |
| S3 | -7.41E-02 | -6.97E-03 | -2.47E-03 | -3.52E-04 | -7.68E-05 | 2.59E-07 | 5.35E-06 | 0.00E+00 | 0.00E+00 |
| S4 | -4.28E-02 | -1.17E-02 | 3.90E-05 | 1.86E-04 | 1.88E-04 | 1.61E-05 | 1.79E-05 | 0.00E+00 | 0.00E+00 |
| S5 | -8.73E-02 | -1.39E-02 | 3.52E-03 | 2.15E-03 | 3.97E-04 | 3.37E-06 | -6.22E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -5.79E-02 | -3.28E-03 | 3.94E-03 | 7.88E-04 | -1.18E-04 | -3.53E-05 | 5.81E-05 | 0.00E+00 | 0.00E+00 |
| S7 | -9.03E-02 | -5.10E-03 | 3.12E-03 | -1.74E-03 | 2.20E-04 | -2.20E-04 | 1.24E-04 | 0.00E+00 | 0.00E+00 |
| S8 | -1.20E-01 | -9.39E-03 | 1.34E-03 | -2.14E-03 | 4.68E-04 | -1.46E-04 | 1.24E-04 | 0.00E+00 | 0.00E+00 |
| S9 | 7.65E-02 | -3.18E-03 | 2.13E-03 | -5.99E-04 | -7.94E-05 | 6.49E-05 | -1.25E-05 | 0.00E+00 | 0.00E+00 |
| S10 | -5.32E-02 | 5.47E-02 | 7.00E-03 | -3.45E-03 | -1.87E-03 | -6.17E-04 | 2.88E-04 | 0.00E+00 | 0.00E+00 |
| S11 | 2.08E-01 | -7.48E-01 | 8.12E-01 | -3.47E-01 | -2.38E-01 | 4.02E-01 | -2.24E-01 | 5.82E-02 | -5.93E-03 |
| S12 | -6.75E-01 | 3.22E-02 | 5.65E-02 | -2.68E-02 | 2.04E-02 | -4.71E-03 | 1.38E-04 | -1.78E-03 | 7.63E-04 |
| S13 | -1.81E+00 | 3.72E-01 | -1.51E-01 | 3.74E-02 | -8.20E-03 | -4.37E-03 | -4.34E-03 | 3.53E-03 | -6.31E-04 |
Table 34
Table 35
Table 36 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 9, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
| f1(mm) | 4.21 | fx(mm) | 2.84 |
| f2(mm) | -9.65 | fy(mm) | 2.82 |
| f3(mm) | 21.07 | TTL(mm) | 4.31 |
| f4(mm) | -37.30 | ImgH(mm) | 2.90 |
| f5(mm) | 1.77 | HFOV(°) | 45.8 |
| f6(mm) | -5.24 | EPD(mm) | 1.35 |
| f7(mm) | -2.55 |
Table 36
Figure 18 shows the RMS spot diameters of the imaging lens of embodiment 9 in first quartile at different image heights position
Size cases.As can be seen from FIG. 18, imaging lens given by embodiment 9 can be realized good image quality.
Embodiment 10
The imaging lens according to the embodiment of the present application 10 are described referring to Figure 19 and Figure 20.Figure 19 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 10.
As shown in figure 19, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 37 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 10
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 37
As shown in Table 37, in embodiment 10, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side S13 of the object side of any one lens and image side surface and the 7th lens E7 in 5th lens E5 and the 6th lens E6
It is aspherical；The image side surface S14 of 7th lens E7 is non-rotationally-symmetric aspherical.
Table 38 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 10, wherein each aspherical face type
It can be limited by the formula (1) provided in above-described embodiment 1.Table 39, which is shown, can be used for non-rotationally-symmetric aspheric in embodiment 10
The rotational symmetry component of face S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can
It is limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.59E-03 | -7.34E-04 | -2.02E-04 | -3.28E-05 | -9.77E-06 | 2.38E-06 | -2.28E-06 | 0.00E+00 | 0.00E+00 |
| S2 | -5.41E-02 | -7.73E-03 | -2.29E-03 | -3.30E-04 | -5.02E-05 | 1.15E-05 | 3.16E-06 | 0.00E+00 | 0.00E+00 |
| S3 | -7.38E-02 | -6.54E-03 | -2.72E-03 | -3.92E-04 | -9.30E-05 | -2.43E-06 | 4.81E-06 | 0.00E+00 | 0.00E+00 |
| S4 | -4.27E-02 | -1.18E-02 | -1.78E-05 | 1.61E-04 | 1.93E-04 | 1.68E-05 | 1.98E-05 | 0.00E+00 | 0.00E+00 |
| S5 | -8.69E-02 | -1.47E-02 | 3.44E-03 | 2.20E-03 | 4.31E-04 | 2.30E-05 | -5.51E-05 | 0.00E+00 | 0.00E+00 |
| S6 | -5.67E-02 | -3.06E-03 | 3.94E-03 | 7.95E-04 | -1.13E-04 | -3.79E-05 | 6.68E-05 | 0.00E+00 | 0.00E+00 |
| S7 | -9.00E-02 | -4.99E-03 | 3.13E-03 | -1.75E-03 | 2.22E-04 | -2.25E-04 | 1.27E-04 | 0.00E+00 | 0.00E+00 |
| S8 | -1.20E-01 | -9.64E-03 | 1.36E-03 | -2.15E-03 | 4.59E-04 | -1.56E-04 | 1.19E-04 | 0.00E+00 | 0.00E+00 |
| S9 | 7.57E-02 | -3.08E-03 | 2.12E-03 | -5.98E-04 | -7.73E-05 | 6.52E-05 | -1.23E-05 | 0.00E+00 | 0.00E+00 |
| S10 | -5.55E-02 | 5.37E-02 | 6.88E-03 | -3.37E-03 | -1.87E-03 | -6.22E-04 | 2.79E-04 | 0.00E+00 | 0.00E+00 |
| S11 | 2.07E-01 | -7.48E-01 | 8.12E-01 | -3.47E-01 | -2.38E-01 | 4.02E-01 | -2.24E-01 | 5.82E-02 | -5.93E-03 |
| S12 | -6.87E-01 | 3.62E-02 | 5.42E-02 | -2.68E-02 | 2.03E-02 | -4.34E-03 | 1.63E-04 | -1.82E-03 | 7.49E-04 |
| S13 | -1.90E+00 | 3.80E-01 | -1.69E-01 | 3.95E-02 | -1.38E-02 | -6.25E-03 | -3.80E-03 | 4.68E-03 | -8.73E-04 |
Table 38
Table 39
Table 40 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 10, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
Table 40
Figure 20 shows the RMS spot diameters of the imaging lens of embodiment 10 in first quartile at different image heights position
Size cases.0 it is found that imaging lens given by embodiment 10 can be realized good image quality according to fig. 2.
Embodiment 11
The imaging lens according to the embodiment of the present application 11 are described referring to Figure 21 and Figure 22.
Figure 21 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 11.
As shown in figure 21, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
Include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6,
7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
Table 41 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 11
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 41
As shown in Table 41, in embodiment 11, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side S13 of the object side of any one lens and image side surface and the 7th lens E7 in 5th lens E5 and the 6th lens E6
It is aspherical；The image side surface S14 of 7th lens E7 is non-rotationally-symmetric aspherical.
Table 42 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 11, wherein each aspherical face type
It can be limited by the formula (1) provided in above-described embodiment 1.Table 43, which is shown, can be used for non-rotationally-symmetric aspheric in embodiment 11
The rotational symmetry component of face S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can
It is limited by the formula (2) provided in above-described embodiment 1.
Table 42
Table 43
Table 44 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 11, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL, imaging surface S17 on effective pixel region
Half ImgH, the maximum angle of half field-of view HFOV of domain diagonal line length and the Entry pupil diameters EPD of imaging lens.
| f1(mm) | 3.88 | fx(mm) | 3.05 |
| f2(mm) | -9.43 | fy(mm) | 3.05 |
| f3(mm) | 265.06 | TTL(mm) | 4.28 |
| f4(mm) | 21.19 | ImgH(mm) | 2.93 |
| f5(mm) | 1.83 | HFOV(°) | 45.0 |
| f6(mm) | -4.94 | EPD(mm) | 1.32 |
| f7(mm) | -2.65 |
Table 44
Figure 22 shows the RMS spot diameters of the imaging lens of embodiment 11 in first quartile at different image heights position
Size cases.2 it is found that imaging lens given by embodiment 11 can be realized good image quality according to fig. 2.
To sum up, embodiment 1 to embodiment 11 meets relationship shown in table 45 respectively.
Table 45
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, be also possible to
The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic device is equipped with imaging lens described above.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (16)
1. imaging lens, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th thoroughly
Mirror, the 5th lens, the 6th lens and the 7th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface；
Second lens have focal power, and image side surface is concave surface；
The third lens have focal power；
4th lens have focal power, and object side is convex surface, and image side surface is concave surface；
5th lens have positive light coke, and image side surface is convex surface；
6th lens have negative power, and image side surface is concave surface；
7th lens have negative power, and object side is convex surface, and image side surface is concave surface；And
At least one lens of first lens into the 7th lens have non-rotationally-symmetric aspherical.
2. imaging lens according to claim 1, which is characterized in that the effective focal length of the X-direction of the imaging lens
The effective focal length fy of the Y direction of fx and the imaging lens meets 0.9 < fx/fy < 1.1.
3. imaging lens according to claim 2, which is characterized in that the Entry pupil diameters EPD of the imaging lens with it is described
The effective focal length fx of the X-direction of imaging lens meets fx/EPD < 2.4；And
The effective focal length fy of the Y direction of the Entry pupil diameters EPD and imaging lens of the imaging lens meets fy/EPD <
2.4。
4. imaging lens according to claim 1, which is characterized in that the effective focal length f7 of the 7th lens and described the
The radius of curvature R 14 of the Y direction of the image side surface of seven lens meets -2.9 < f7/R14 < -2.6.
5. imaging lens according to claim 4, which is characterized in that the effective focal length of the Y direction of the imaging lens
The Y direction of the image side surface of the radius of curvature R 13 and the 7th lens of the Y direction of the object side of fy, the 7th lens
Radius of curvature R 14 meet 0.6 < fy/ (R13+R14) < 0.8.
6. imaging lens according to claim 4, which is characterized in that the Y direction of the object side of the 7th lens
1.8≤(R13+R14) of the satisfaction of radius of curvature R 14 of the Y direction of the image side surface of radius of curvature R 13 and the 7th lens/
(R13-R14) 2 <.
7. imaging lens according to claim 4, which is characterized in that the Y direction of the image side surface of the 7th lens
The radius of curvature R 14x of the X-direction of the image side surface of radius of curvature R 14 and the 7th lens meets 0.8 < R14/R14x <
1.2。
8. imaging lens according to claim 1, which is characterized in that the effective focal length of the Y direction of the imaging lens
The effective focal length f5 of fy and the 5th lens meets 1.5 < fy/f5 < 2.0.
9. imaging lens according to claim 8, which is characterized in that the effective focal length f5 of the 5th lens and described the
The radius of curvature R 10 of the Y direction of the image side surface of five lens meets -2.2 < f5/R10 < -1.8.
10. imaging lens according to claim 1, which is characterized in that effective half mouthful of the image side surface of the 7th lens
Effective half bore DT11 of the object side of diameter DT72 and first lens meets 3.1 < DT72/DT11 < 3.8.
11. imaging lens according to claim 1, which is characterized in that the edge thickness ET6 of the 6th lens with it is described
The edge thickness ET5 of 5th lens meets 1.7 < ET6/ET5 < 2.6.
12. imaging lens according to claim 11, which is characterized in that the edge thickness ET5 of the 5th lens and institute
It states center thickness CT5 of the 5th lens on the optical axis and meets 3.1 < CT5/ET5 < 4.2.
13. imaging lens according to any one of claim 1 to 12, which is characterized in that the 5th lens are described
The object side of center thickness CT5 on optical axis and first lens to the imaging lens imaging surface on the optical axis
Distance TTL meets 0.1 < CT5/TTL < 0.3.
14. imaging lens according to any one of claim 1 to 12, which is characterized in that the object side of first lens
Face to the imaging lens imaging surface on the optical axis distance TTL and the imaging lens imaging surface on valid pixel
The half ImgH of region diagonal line length meets TTL/ImgH < 1.5.
15. imaging lens according to any one of claim 1 to 12, which is characterized in that first lens are to described
7th lens are appointed respectively at the summation ∑ CT of the center thickness on the optical axis and first lens into the 7th lens
Anticipate airspace of adjacent two lens on the optical axis summation Σ T meet 3 < ∑ CT/ ∑ T < 3.6.
It by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th along optical axis 16. imaging lens
Lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface；
Second lens have focal power, and image side surface is concave surface；
The third lens have focal power；
4th lens have focal power, and object side is convex surface, and image side surface is concave surface；
5th lens have positive light coke, and image side surface is convex surface；
6th lens have negative power, and image side surface is concave surface；
7th lens have negative power, and object side is convex surface, and image side surface is concave surface；
The effective focal length fx of the X-direction of the Entry pupil diameters EPD and imaging lens of the imaging lens meets fx/EPD <
2.4；And
The effective focal length fy of the Y direction of the Entry pupil diameters EPD and imaging lens of the imaging lens meets fy/EPD <
2.4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494063.1A CN109283665B (en) | 2018-12-07 | Imaging lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494063.1A CN109283665B (en) | 2018-12-07 | Imaging lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109283665A true CN109283665A (en) | 2019-01-29 |
| CN109283665B CN109283665B (en) | 2024-04-16 |
Family
ID=
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109597188A (en) * | 2019-02-13 | 2019-04-09 | 浙江舜宇光学有限公司 | Pick-up lens group |
| CN110333594A (en) * | 2019-08-20 | 2019-10-15 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN112346209A (en) * | 2019-08-09 | 2021-02-09 | 华为技术有限公司 | Camera module and terminal equipment |
| WO2021087669A1 (en) * | 2019-11-04 | 2021-05-14 | 南昌欧菲精密光学制品有限公司 | Optical system, image capturing device and electronic device |
| CN112817130A (en) * | 2021-02-26 | 2021-05-18 | Oppo广东移动通信有限公司 | Optical imaging system, camera and electronic equipment |
| WO2021134286A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| WO2021168881A1 (en) * | 2020-02-24 | 2021-09-02 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| WO2022120515A1 (en) * | 2020-12-07 | 2022-06-16 | 欧菲光集团股份有限公司 | Optical system, photographing module, and electronic device |
| US11686922B2 (en) | 2020-02-14 | 2023-06-27 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
| US11719911B2 (en) | 2020-02-14 | 2023-08-08 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
| US11953756B2 (en) | 2019-08-15 | 2024-04-09 | Jiangxi Ofilm Optical Co., Ltd. | Optical system, image capturing module and electronic device |
| CN109597188B (en) * | 2019-02-13 | 2024-04-12 | 浙江舜宇光学有限公司 | Image pickup lens group |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1456915A (en) * | 2002-05-07 | 2003-11-19 | 佳能株式会社 | Optical imaging system and reader therewith |
| CN101900868A (en) * | 2009-05-27 | 2010-12-01 | 柯尼卡美能达精密光学株式会社 | Anamorphic lens |
| CN204028445U (en) * | 2013-06-21 | 2014-12-17 | 康达智株式会社 | Pick-up lens |
| CN105988199A (en) * | 2015-02-17 | 2016-10-05 | 大立光电股份有限公司 | Photographic system, image pickup device and electronic device |
| CN107015347A (en) * | 2017-06-08 | 2017-08-04 | 浙江舜宇光学有限公司 | Pick-up lens |
| CN107479172A (en) * | 2017-09-27 | 2017-12-15 | 浙江舜宇光学有限公司 | Imaging lens system group |
| CN209624884U (en) * | 2018-12-07 | 2019-11-12 | 浙江舜宇光学有限公司 | Imaging lens |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1456915A (en) * | 2002-05-07 | 2003-11-19 | 佳能株式会社 | Optical imaging system and reader therewith |
| CN101900868A (en) * | 2009-05-27 | 2010-12-01 | 柯尼卡美能达精密光学株式会社 | Anamorphic lens |
| CN204028445U (en) * | 2013-06-21 | 2014-12-17 | 康达智株式会社 | Pick-up lens |
| CN105988199A (en) * | 2015-02-17 | 2016-10-05 | 大立光电股份有限公司 | Photographic system, image pickup device and electronic device |
| CN107015347A (en) * | 2017-06-08 | 2017-08-04 | 浙江舜宇光学有限公司 | Pick-up lens |
| CN107479172A (en) * | 2017-09-27 | 2017-12-15 | 浙江舜宇光学有限公司 | Imaging lens system group |
| CN209624884U (en) * | 2018-12-07 | 2019-11-12 | 浙江舜宇光学有限公司 | Imaging lens |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109597188A (en) * | 2019-02-13 | 2019-04-09 | 浙江舜宇光学有限公司 | Pick-up lens group |
| CN109597188B (en) * | 2019-02-13 | 2024-04-12 | 浙江舜宇光学有限公司 | Image pickup lens group |
| JP2022543383A (en) * | 2019-08-09 | 2022-10-12 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | Camera modules and terminal devices |
| WO2021027642A1 (en) * | 2019-08-09 | 2021-02-18 | 华为技术有限公司 | Camera module and terminal device |
| CN112346209A (en) * | 2019-08-09 | 2021-02-09 | 华为技术有限公司 | Camera module and terminal equipment |
| JP7405495B2 (en) | 2019-08-09 | 2023-12-26 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | Camera module and terminal device |
| US11953756B2 (en) | 2019-08-15 | 2024-04-09 | Jiangxi Ofilm Optical Co., Ltd. | Optical system, image capturing module and electronic device |
| CN110333594A (en) * | 2019-08-20 | 2019-10-15 | 浙江舜宇光学有限公司 | Optical imaging lens |
| WO2021087669A1 (en) * | 2019-11-04 | 2021-05-14 | 南昌欧菲精密光学制品有限公司 | Optical system, image capturing device and electronic device |
| WO2021134286A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| US11686922B2 (en) | 2020-02-14 | 2023-06-27 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
| US11719911B2 (en) | 2020-02-14 | 2023-08-08 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
| WO2021168881A1 (en) * | 2020-02-24 | 2021-09-02 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| WO2022120515A1 (en) * | 2020-12-07 | 2022-06-16 | 欧菲光集团股份有限公司 | Optical system, photographing module, and electronic device |
| CN112817130A (en) * | 2021-02-26 | 2021-05-18 | Oppo广东移动通信有限公司 | Optical imaging system, camera and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109031629A (en) | imaging optical system | |
| CN108873253A (en) | Pick-up lens | |
| CN108681040A (en) | Optical imagery eyeglass group | |
| CN109085693A (en) | Optical imaging lens | |
| CN108445610A (en) | Optical imagery eyeglass group | |
| CN109270662A (en) | Optical imaging lens | |
| CN208506350U (en) | Pick-up lens | |
| CN107843977A (en) | Optical imaging lens | |
| CN209044159U (en) | Imaging optical system | |
| CN109375349A (en) | Imaging lens | |
| CN207516629U (en) | Optical imaging lens | |
| CN107219614A (en) | Optical imaging lens | |
| CN208110147U (en) | Optical imaging lens | |
| CN209640581U (en) | Optical imaging lens | |
| CN109521554A (en) | Pick-up lens group | |
| CN109656000A (en) | Pick-up lens group | |
| CN209327669U (en) | Pick-up lens group | |
| CN209388016U (en) | Pick-up lens group | |
| CN209132500U (en) | Pick-up lens group | |
| CN109270661A (en) | Pick-up lens group | |
| CN108398770A (en) | Optical imaging lens | |
| CN110426823A (en) | Optical imaging lens group | |
| CN109491054A (en) | Optical imaging lens | |
| CN108490587A (en) | Imaging lens | |
| CN107656358A (en) | Optical lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |