CN109298513A - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN109298513A CN109298513A CN201811475404.0A CN201811475404A CN109298513A CN 109298513 A CN109298513 A CN 109298513A CN 201811475404 A CN201811475404 A CN 201811475404A CN 109298513 A CN109298513 A CN 109298513A
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- 238000012634 optical imaging Methods 0.000 title claims abstract description 196
- 230000003287 optical effect Effects 0.000 claims abstract description 99
- 239000000571 coke Substances 0.000 claims abstract description 50
- 238000003384 imaging method Methods 0.000 claims description 60
- 101100148680 Arabidopsis thaliana SAG12 gene Proteins 0.000 claims description 13
- 210000001747 pupil Anatomy 0.000 claims description 4
- 210000003128 head Anatomy 0.000 claims description 3
- 201000009310 astigmatism Diseases 0.000 description 18
- 238000010586 diagram Methods 0.000 description 14
- 238000005452 bending Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 230000004075 alteration Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 206010010071 Coma Diseases 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
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- 102220067365 rs143592561 Human genes 0.000 description 1
- 238000009738 saturating Methods 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
This application discloses a kind of optical imaging lens, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens by object side to image side along optical axis.First lens have negative power, and image side surface is concave surface；Second lens have focal power；The third lens have positive light coke, and image side surface is convex surface；4th lens have focal power；5th lens have positive light coke, and image side surface is convex surface；6th lens have negative power, and object side is concave surface.Spacing distance T45 of the spacing distance T34 and the 4th lens and the 5th lens of spacing distance T56, the third lens and the 4th lens on optical axis of 5th lens and the 6th lens on optical axis on optical axis meets 1.0 < T56/ (T34+T45)/6≤3.0.
Description
Technical field
This application involves a kind of optical imaging lens, more particularly, to a kind of optical imaging lens including six-element lens
Head.
Background technique
With the development of science and technology, portable electronic product gradually rises, and the portable electronic with camera function produces
Product, which obtain people, more to be favored, therefore demand of the market to the imaging lens of portable electronic product are suitable for is gradually increased.
On the one hand, since the portable electronic products such as such as smart phone tend to minimize, the overall length of camera lens is limited, to increase
The design difficulty of camera lens.On the other hand, with for example photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor element
(CMOS) raising of common photosensitive element performance and the reduction of size, so that the pixel number of photosensitive element increases and pixel dimension such as
Reduce, so that more stringent requirements are proposed for the high image quality and miniaturization to the imaging lens to match.
In recent years, it with double propositions for taking the photograph concept, is calculated using the optical imaging lens and image procossing of two different focal lengths
The method that method combines realizes that optical zoom has been more and more widely used.It is taken the photograph in camera lens double, it usually needs be collocated with
One piece big with big field angle, the depth of field of wide-angle lens.In the identical situation of sensor image planes size, optical imaging lens
Full filed angle it is bigger, the picture information contained amount of shooting is also more.However, the existing wide-angle lens with good image quality
Head usually has longer optics overall length, is unable to satisfy the lightening development trend of portable electronic product.How to take into account small-sized
Change, wide-angle and high imaging quality, are a problem to be solved.
Summary of the invention
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art
The optical imaging lens of at least one above-mentioned disadvantage.
On the one hand, this application provides such a optical imaging lens, the optical imaging lens along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens
There can be negative power, image side surface can be concave surface；Second lens have focal power；The third lens can have positive light coke,
Image side surface can be convex surface；4th lens have focal power；5th lens can have positive light coke, and image side surface can be convex surface；The
Six lens can have negative power, and object side can be concave surface.Wherein, the interval distance of the 5th lens and the 6th lens on optical axis
From the spacing distance T34 of T56, the third lens and the 4th lens on optical axis and the 4th lens and the 5th lens on optical axis between
Gauge can meet 1.0 < T56/ (T34+T45)/6≤3.0 from T45.
In one embodiment, center thickness CT3, fourth lens center on optical axis of the third lens on optical axis
The center thickness CT5 of thickness CT4 and the 5th lens on optical axis can meet 0 < (CT3+CT4+CT5)/TTL < 0.5.
In one embodiment, the intersection point of the object side of the 6th lens and optical axis is effective to the object side of the 6th lens
On the axis on radius vertex the intersection point of the image side surface and the optical axis of distance SAG61 and the first lens to the first lens image side surface
Distance SAG12 can meet -2.5 < SAG61/SAG12 < -1.0 on the axis on effective radius vertex.
In one embodiment, the effective focal length of the combined focal length f12 and the first lens of the first lens and the second lens
F1 can meet 0.5 f12/f1≤3.0 <.
In one embodiment, total effective focal length f of optical imaging lens and the effective focal length f3 of the third lens can expire
0.5 < f/f3 < 1.5 of foot.
In one embodiment, the object side of the effective focal length f3 and the first lens of the third lens are to optical imaging lens
Distance TTL of the imaging surface on optical axis can meet 0 < f3/TTL < 0.5.
In one embodiment, the effective focal length f5 of the total effective focal length f and the 5th lens of optical imaging lens can expire
0.5 < f/f5 < 1.5 of foot.
In one embodiment, the effective focal length f6 of the total effective focal length f and the 6th lens of optical imaging lens can expire
- 1.5 < f/f6 < -0.5 of foot.
In one embodiment, the third lens, the 4th lens and the 5th lens combined focal length f345 and optical imagery
Total effective focal length f of camera lens can meet 0.5 f345/f≤1.0 <.
In one embodiment, the half Semi-FOV at the maximum field of view angle of optical imaging lens can meet Semi-FOV
≥60°。
In one embodiment, total effective focal length f of optical imaging lens, the maximum field of view angle of optical imaging lens
The imaging surface of half Semi-FOV and the object side of the first lens to optical imaging lens distance TTL on optical axis can meet
0.5 < f*tan (Semi-FOV)/TTL < 1.0.
In one embodiment, center thickness CT6 of the edge thickness ET6 and the 6th lens of the 6th lens on optical axis
2.0 < ET6/CT6 < 5.5 can be met.
In one embodiment, the object side of maximum the effective radius DT11 and the 6th lens of the object side of the first lens
Maximum effective radius DT61 can meet 0.5 < DT11/DT61 < 2.0.
In one embodiment, the curvature of the image side surface of the radius of curvature R 6 and the 5th lens of the image side surface of the third lens
Radius R10 can meet 0.5 < R6/R10 < 1.5.
In one embodiment, total effective focal length f of the optical imaging lens and Entry pupil diameters EPD of optical imaging lens
F/EPD < 2.2 can be met.
On the other hand, this application provides such a optical imaging lens, and the optical imaging lens are along optical axis by object side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens to image side.First thoroughly
Mirror can have negative power, and image side surface can be concave surface；Second lens have focal power；The third lens can have positive light coke,
Its image side surface can be convex surface；4th lens have focal power；5th lens can have positive light coke, and image side surface can be convex surface；
6th lens can have negative power, and object side can be concave surface.Wherein, total effective focal length f of optical imaging lens, optics at
As the maximum field of view angle of camera lens half Semi-FOV and the first lens object side to optical imaging lens imaging surface in light
Distance TTL on axis can meet 0.5 < f*tan (Semi-FOV)/TTL < 1.0.
In another aspect, the optical imaging lens are along optical axis by object side this application provides such a optical imaging lens
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens to image side.First thoroughly
Mirror can have negative power, and image side surface can be concave surface；Second lens have focal power；The third lens can have positive light coke,
Its image side surface can be convex surface；4th lens have focal power；5th lens can have positive light coke, and image side surface can be convex surface；
6th lens can have negative power, and object side can be concave surface.Wherein, the intersection point of the object side of the 6th lens and optical axis is to
The intersection point of the image side surface and the optical axis of distance SAG61 and the first lens on the axis on the effective radius vertex of the object side of six lens
Distance SAG12 can meet -2.5 < SAG61/SAG12 < -1.0 on to the axis on the effective radius vertex of the image side surface of the first lens.
In another aspect, the optical imaging lens are along optical axis by object side this application provides such a optical imaging lens
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens to image side.First thoroughly
Mirror can have negative power, and image side surface can be concave surface；Second lens have focal power；The third lens can have positive light coke,
Its image side surface can be convex surface；4th lens have focal power；5th lens can have positive light coke, and image side surface can be convex surface；
6th lens can have negative power, and object side can be concave surface.Wherein, the third lens, the group of the 4th lens and the 5th lens
Total effective focal length f of complex focus f345 and optical imaging lens can meet 0.5 f345/f≤1.0 <.
In another aspect, the optical imaging lens are along optical axis by object side this application provides such a optical imaging lens
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens to image side.First thoroughly
Mirror can have negative power, and image side surface can be concave surface；Second lens have focal power；The third lens can have positive light coke,
Its image side surface can be convex surface；4th lens have focal power；5th lens can have positive light coke, and image side surface can be convex surface；
6th lens can have negative power, and object side can be concave surface.Wherein, the edge thickness ET6 and the 6th lens of the 6th lens
Center thickness CT6 on optical axis can meet 2.0 < ET6/CT6 < 5.5.
In another aspect, the optical imaging lens are along optical axis by object side this application provides such a optical imaging lens
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens to image side.First thoroughly
Mirror can have negative power, and image side surface can be concave surface；Second lens have focal power；The third lens can have positive light coke,
Its image side surface can be convex surface；4th lens have focal power；5th lens can have positive light coke, and image side surface can be convex surface；
6th lens can have negative power, and object side can be concave surface.Wherein, the maximum effective radius of the object side of the first lens
The maximum effective radius DT61 of the object side of DT11 and the 6th lens can meet 0.5 < DT11/DT61 < 2.0.
In another aspect, the optical imaging lens are along optical axis by object side this application provides such a optical imaging lens
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens to image side.First thoroughly
Mirror can have negative power, and image side surface can be concave surface；Second lens have focal power；The third lens can have positive light coke,
Its image side surface can be convex surface；4th lens have focal power；5th lens can have positive light coke, and image side surface can be convex surface；
6th lens can have negative power, and object side can be concave surface.Wherein, total effective focal length f and the 6th of optical imaging lens
The effective focal length f6 of lens can meet -1.5 < f/f6 < -0.5.
The application use six-element lens, by each power of lens of reasonable distribution, face type, each lens center thickness
And spacing etc. on the axis between each lens, so that above-mentioned optical lens group has miniaturization, wide-angle, high imaging quality etc. at least
One beneficial effect.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 1, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 2, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 3, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 4, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 5, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 6, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 7, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as this thoroughly near the surface of subject
The object side of mirror, each lens are known as the image side surface of the lens near the surface of imaging surface.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imaging lens according to the application illustrative embodiments may include such as six lens with focal power,
That is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six-element lens is along optical axis
By object side to image side sequential.Can have between air in the first lens into the 6th lens, between two lens of arbitrary neighborhood
Every.
In the exemplary embodiment, the first lens can have negative power, and image side surface can be concave surface；Second lens tool
There are positive light coke or negative power；The third lens can have positive light coke, and image side surface can be convex surface；4th lens have positive light
Focal power or negative power；5th lens can have positive light coke, and image side surface can be convex surface；6th lens can have negative light focus
Degree, object side can be concave surface.
In the exemplary embodiment, 1.0 < T56/ (T34+ of conditional can be met according to the optical imaging lens of the application
T45)/6≤3.0, wherein T56 is the spacing distance of the 5th lens and the 6th lens on optical axis, and T34 is the third lens and the
Spacing distance of four lens on optical axis, T45 are the spacing distance of the 4th lens and the 5th lens on optical axis.More specifically,
T56, T34 and T45 can further meet 1.23≤T56/ (T34+T45)/6≤2.98.Third, the four, the 5th lens shapeds are in groups
Member effectively rectify with the ratio chromatism, to visual field outside axis using high low-index material lens forming approximate Double glued construction
Just, while the 6th lens correct the curvature of field outside axis as independent constituent element.
In the exemplary embodiment, 0 < (CT3+CT4+ of conditional can be met according to the optical imaging lens of the application
CT5)/TTL < 0.5, wherein CT3 be center thickness of the third lens on optical axis, CT4 be the 4th lens on optical axis in
Heart thickness, CT5 are center thickness of the 5th lens on optical axis.More specifically, CT3, CT4 and CT5 can further meet 0.2 <
(CT3+CT4+CT5)/TTL < 0.4, for example, 0.25≤(CT3+CT4+CT5)/TTL≤0.32.Guaranteeing thickness machinability
In the case where, make the third lens, the 4th lens, the 5th lens that there is relatively small thickness, this three pieces lens can be made to undertake certain light focus
Degree is conducive to correction and hereby cuts down the curvature of field, while being conducive to shorten distance TTL on the first lens object side to the axis of imaging surface, makes
Camera lens meets small form factor requirements.
In the exemplary embodiment, -2.5 < SAG61/ of conditional can be met according to the optical imaging lens of the application
SAG12 < -1.0, wherein SAG61 be the 6th lens object side and optical axis intersection point it is effective to the object side of the 6th lens
Distance on the axis on radius vertex, SAG12 are that the image side surface of the image side surface of the first lens and intersection point to first lens of optical axis has
Imitate distance on the axis on radius vertex.More specifically, SAG61 and SAG12 can further meet -2.38≤SAG61/SAG12≤-
1.35.Rationally control the first lens image side surface and the 6th lens object side rise, be conducive to correct meridian direction astigmatism and
The optical distortion of camera lens.
In the exemplary embodiment, according to the optical imaging lens of the application can meet 0.5 < f12/f1 of conditional≤
3.0, wherein f12 is the combined focal length of the first lens and the second lens, and f1 is the effective focal length of the first lens.More specifically,
F12 and f1 can further meet 0.95≤f12/f1≤2.89.The first lens and the second lens are as group in optical imaging lens
Member undertakes negative power, to correct the astigmatism amount that the meridian and arc that generate due to big field angle lose direction.
In the exemplary embodiment, according to the optical imaging lens of the application can meet 0.5 < f345/f of conditional≤
1.0, wherein f345 is the third lens, the combined focal length of the 4th lens and the 5th lens, and f is the total effective of optical imaging lens
Focal length.More specifically, f345 and f can further meet 0.77≤f345/f≤0.99.The third lens are extremely in optical imaging lens
5th lens are as a constituent element, to reduce on off-axis chromatic aberration and correction axis coma outside spherical aberration and axis.
In the exemplary embodiment, conditional Semi-FOV >=60 ° can be met according to the optical imaging lens of the application,
Wherein, Semi-FOV is the half at the maximum field of view angle of optical imaging lens.More specifically, Semi-FOV can further meet
60.0°≤Semi-FOV≤63.5°.The angle of half field-of view of optical imaging lens is controlled at 60 ° or more, the equivalent coke of system is made
Away from smaller, it is advantageously implemented the wide-angle function of camera lens and makes the picture that can be shot wider.
In the exemplary embodiment, conditional f/EPD < 2.2 can be met according to the optical imaging lens of the application,
In, f is total effective focal length of optical imaging lens, and EPD is the Entry pupil diameters of optical imaging lens.More specifically, f and EPD into
One step can meet 2.15≤f/EPD < 2.2, for example, f/EPD=2.19.The inverse of optical imaging lens relative aperture is less than
2.2, it is ensured that the light-inletting quantity of camera lens efficient beam is sufficient, improves the signal-to-noise ratio of optical system.
In the exemplary embodiment, 2.0 < ET6/CT6 < of conditional can be met according to the optical imaging lens of the application
5.5, wherein ET6 is the edge thickness of the 6th lens, and CT6 is center thickness of the 6th lens on optical axis.More specifically, ET6
2.34≤ET6/CT6≤5.34 can further be met with CT6.Rationally work of the thickness of the 6th lens of control than guaranteeing the 6th lens
Skill, and the astigmatism amount for hereby cutting down the curvature of field and meridian direction of correction system.
In the exemplary embodiment, 0.5 < DT11/DT61 of conditional can be met according to the optical imaging lens of the application
< 2.0, wherein DT11 is the maximum effective radius of the object side of the first lens, and DT61 is the maximum of the object side of the 6th lens
Effective radius.More specifically, DT11 and DT61 can further meet 0.63≤DT11/DT61≤1.71.Rationally control first is thoroughly
The range of mirror object side and the 6th lens object side effective diameter, makes the ghost image energy dropoff generated by the two faces, is to improve
The imaging performance of system.
In the exemplary embodiment, 0.5 < f*tan of conditional can be met according to the optical imaging lens of the application
(Semi-FOV)/TTL < 1.0, wherein f is total effective focal length of optical imaging lens, and Semi-FOV is optical imaging lens
The half at maximum field of view angle, TTL are the object side of the first lens to distance of the imaging surface on optical axis of optical imaging lens.More
Specifically, f, Semi-FOV and TTL can further meet 0.68≤f*tan (Semi-FOV)/TTL≤0.74.Control optics at
As the overall length and system focal length of camera lens and the size relation of angle of half field-of view, optical imaging lens is allowed to meet image planes size
Under conditions of tend to minimize.
In the exemplary embodiment, 0.5 < f/f3 < of conditional can be met according to the optical imaging lens of the application
1.5, wherein f is total effective focal length of optical imaging lens, and f3 is the effective focal length of the third lens.More specifically, f and f3 into
One step can meet 0.91≤f/f3≤1.20.The third lens undertake certain positive light coke, to by the first lens and the second lens
Light beam after diverging is assembled, to correct coma and distortion outside axis.
In the exemplary embodiment, 0.5 < f/f5 < of conditional can be met according to the optical imaging lens of the application
1.5, wherein f is total effective focal length of optical imaging lens, and f5 is the effective focal length of the 5th lens.More specifically, f and f5 into
One step can meet 0.55≤f/f5≤1.01.5th lens undertake certain positive light coke in optical imaging lens, to correct
The astigmatism amount in arc mistake direction and meridian direction.
In the exemplary embodiment, -1.5 < f/f6 < of conditional-can be met according to the optical imaging lens of the application
0.5, wherein f is total effective focal length of optical imaging lens, and f6 is the effective focal length of the 6th lens.More specifically, f and f6 into
One step can meet -1.16≤f/f6≤- 0.72.6th lens undertake certain negative power in optical imaging lens, to rectify
Just hereby cutting down the optical distortion outside the curvature of field and axis.
In the exemplary embodiment, 0 < f3/TTL < of conditional can be met according to the optical imaging lens of the application
0.5, wherein f3 is the effective focal length of the third lens, and TTL is that the imaging surface of object side to the optical imaging lens of the first lens exists
Distance on optical axis.More specifically, f3 and TTL can further meet 0.2≤f3/TTL < 0.5, for example, 0.32≤f3/TTL≤
0.43.The third lens near stop position have positive light coke, can play the role of assembling light, while on rectifiable axis
Spherical aberration and the outer coma of axis.
In the exemplary embodiment, 0.5 < R6/R10 < of conditional can be met according to the optical imaging lens of the application
1.5, wherein R6 is the radius of curvature of the image side surface of the third lens, and R10 is the radius of curvature of the image side surface of the 5th lens.More
Body, R6 and R10 can further meet 0.77≤R6/R10≤1.40.Rationally control the third lens image side surface and the 5th lens picture
The radius of curvature size of side may make that peripheral field chief ray is smaller by deviation amount when this two panels lens, be conducive to
Control the chief ray angle that peripheral field reaches image planes.
In the exemplary embodiment, above-mentioned optical imaging lens may also include diaphragm, with promoted lens group at image quality
Amount.Diaphragm may be provided between the second lens and the third lens.
Optionally, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting
The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above six can be used according to the optical imaging lens of the above embodiment of the application
Piece.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imaging lens
Head, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Optical lens group through the above configuration can also have
The beneficial effects such as ultra-thin, wide-angle, high imaging quality.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, first thoroughly
Mirror, the second lens, the third lens, the 4th lens, the 5th lens and each lens in the 6th lens object side and image side surface
At least one of be aspherical mirror.The characteristics of non-spherical lens is: from lens centre to lens perimeter, curvature is continuously to become
Change.Have the spherical lens of constant curvature different from from lens centre to lens perimeter, non-spherical lens has more preferably bent
Rate radius characteristic has the advantages that improve and distorts aberration and improvement astigmatic image error.It, can be as much as possible after non-spherical lens
The aberration occurred when imaging is eliminated, so as to improve image quality.Optionally, the first lens, the second lens, third are saturating
Mirror, the 4th lens, the object side of the 5th lens and each lens in the 6th lens and image side surface are aspherical mirror.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting optical imaging lens can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described by taking six lens as an example in embodiments, which is not limited to include six
Lens.If desired, the optical imaging lens may also include the lens of other quantity.
The specific embodiment for being applicable to the optical imaging lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the optical imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to this
Apply for the structural schematic diagram of the optical imaging lens of embodiment 1.
As shown in Figure 1, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 1 show the surface types of each lens of the optical imaging lens of embodiment 1, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of any one lens of the first lens E1 into the 6th lens E6 and image side surface are
It is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical formula and is defined:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of mirror surface S1-S124、A6、A8、A10、A12、A14、A16、A18And A20。
Table 2
Table 3 gives the effective focal length f1 to f6 of each lens in embodiment 1, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S15 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S15 on optical axis
The half Semi-FOV of long half ImgH and maximum field of view angle.
| f1(mm) | -6.27 | f6(mm) | -2.16 |
| f2(mm) | -12.26 | f(mm) | 2.50 |
| f3(mm) | 2.24 | TTL(mm) | 6.40 |
| f4(mm) | -3.70 | ImgH(mm) | 3.26 |
| f5(mm) | 2.47 | Semi-FOV(°) | 60.0 |
Table 3
Optical imaging lens in embodiment 1 meet:
T56/ (T34+T45)/6=2.39, wherein T56 is interval of the 5th lens E5 and the 6th lens E6 on optical axis
Distance, T34 are the spacing distance of the third lens E3 and the 4th lens E4 on optical axis, and T45 is the 4th lens E4 and the 5th lens
Spacing distance of the E5 on optical axis；
(CT3+CT4+CT5)/TTL=0.27, wherein CT3 is center thickness of the third lens E3 on optical axis, and CT4 is
Center thickness of the 4th lens E4 on optical axis, CT5 are center thickness of the 5th lens E5 on optical axis；
SAG61/SAG12=-1.90, wherein the intersection point of object side S11 and optical axis that SAG61 is the 6th lens E6 to the
Distance on the axis on the effective radius vertex of the object side S11 of six lens E6, SAG12 are the image side surface S2 and optical axis of the first lens E1
Intersection point to the axis on the effective radius vertex of the image side surface S2 of the first lens E1 on distance；
F12/f1=0.95, wherein f12 is the combined focal length of the first lens E1 and the second lens E2, and f1 is the first lens
The effective focal length of E1；
F345/f=0.77, wherein f345 is the combined focal length of the third lens E3, the 4th lens E4 and the 5th lens E5, f
For total effective focal length of optical imaging lens；
F/EPD=2.19, wherein f is total effective focal length of optical imaging lens, and EPD is the entrance pupil of optical imaging lens
Diameter；
ET6/CT6=5.13, wherein ET6 is the edge thickness of the 6th lens E6, and CT6 is the 6th lens E6 on optical axis
Center thickness；
DT11/DT61=1.56, wherein DT11 is the maximum effective radius of the object side S1 of the first lens E1, and DT61 is
The maximum effective radius of the object side S11 of 6th lens E6；
F*tan (Semi-FOV)/TTL=0.68, wherein f is total effective focal length of optical imaging lens, and Semi-FOV is
The half at the maximum field of view angle of optical imaging lens, TTL are the object side S1 to imaging surface S15 of the first lens E1 on optical axis
Distance；
F/f3=1.12, wherein f is total effective focal length of optical imaging lens, and f3 is the effective focal length of the third lens E3；
F/f5=1.01, wherein f is total effective focal length of optical imaging lens, and f5 is the effective focal length of the 5th lens E5；
F/f6=-1.16, wherein f is total effective focal length of optical imaging lens, and f6 is effective coke of the 6th lens E6
Away from；
F3/TTL=0.35, wherein f3 is the effective focal length of the third lens E3, and TTL is the object side S1 of the first lens E1
To distance of the imaging surface S15 on optical axis；
R6/R10=0.94, wherein R6 is the radius of curvature of the image side surface S6 of the third lens E3, and R10 is the 5th lens E5
Image side surface S10 radius of curvature.
Fig. 2A shows chromatic curve on the axis of the optical imaging lens of embodiment 1, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imaging lens of embodiment 1, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imaging lens of embodiment 1, indicates different image heights
Corresponding distortion sizes values.Fig. 2 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to fig. 2 A to Fig. 2 D it is found that optics given by embodiment 1 at
As camera lens can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imaging lens of the embodiment of the present application 2.In the present embodiment and following
In embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2
Optical imaging lens structural schematic diagram.
As shown in figure 3, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex 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.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 4 show the surface types of each lens of the optical imaging lens of embodiment 2, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 gives the effective focal length f1 to f6 of each lens in embodiment 2, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S15 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S15 on optical axis
The half Semi-FOV of long half ImgH and maximum field of view angle.
| f1(mm) | -4.21 | f6(mm) | -2.50 |
| f2(mm) | 11.60 | f(mm) | 2.50 |
| f3(mm) | 2.75 | TTL(mm) | 6.40 |
| f4(mm) | 1077.97 | ImgH(mm) | 3.26 |
| f5(mm) | 4.57 | Semi-FOV(°) | 60.0 |
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imaging lens of embodiment 2, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imaging lens of embodiment 2, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imaging lens of embodiment 2, indicates different image heights
Corresponding distortion sizes values.Fig. 4 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optics given by embodiment 2 at
As camera lens can be realized good image quality.
Embodiment 3
The optical imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basis
The structural schematic diagram of the optical imaging lens of the embodiment of the present application 3.
As shown in figure 5, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 8
Table 9 gives the effective focal length f1 to f6 of each lens in embodiment 3, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S15 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S15 on optical axis
The half Semi-FOV of long half ImgH and maximum field of view angle.
| f1(mm) | -4.23 | f6(mm) | -2.59 |
| f2(mm) | 12.08 | f(mm) | 2.50 |
| f3(mm) | 2.22 | TTL(mm) | 6.40 |
| f4(mm) | -3.71 | ImgH(mm) | 3.26 |
| f5(mm) | 2.90 | Semi-FOV(°) | 60.0 |
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imaging lens of embodiment 3, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imaging lens of embodiment 3, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imaging lens of embodiment 3, indicates different image heights
In the case of distortion sizes values.Fig. 6 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optics given by embodiment 3 at
As camera lens can be realized good image quality.
Embodiment 4
The optical imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basis
The structural schematic diagram of the optical imaging lens of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 4
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 10
As shown in Table 10, in example 4, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 11
Table 12 give the effective focal length f1 to f6 of each lens in embodiment 4, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 on distance TTL, the imaging surface S15 on optical axis effective pixel area it is diagonal
The half ImgH of the wire length and half Semi-FOV at maximum field of view angle.
| f1(mm) | -4.90 | f6(mm) | -3.26 |
| f2(mm) | 9.84 | f(mm) | 2.50 |
| f3(mm) | 2.32 | TTL(mm) | 6.40 |
| f4(mm) | -2.91 | ImgH(mm) | 3.26 |
| f5(mm) | 3.00 | Semi-FOV(°) | 60.0 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imaging lens of embodiment 4, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imaging lens of embodiment 4, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imaging lens of embodiment 4, indicates different image heights
Corresponding distortion sizes values.Fig. 8 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optics given by embodiment 4 at
As camera lens can be realized good image quality.
Embodiment 5
The optical imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basis
The structural schematic diagram of the optical imaging lens of the embodiment of the present application 5.
As shown in figure 9, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
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 concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 14
Table 15 give the effective focal length f1 to f6 of each lens in embodiment 5, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 on distance TTL, the imaging surface S15 on optical axis effective pixel area it is diagonal
The half ImgH of the wire length and half Semi-FOV at maximum field of view angle.
| f1(mm) | -4.21 | f6(mm) | -3.45 |
| f2(mm) | 7.65 | f(mm) | 2.50 |
| f3(mm) | 2.38 | TTL(mm) | 6.40 |
| f4(mm) | -3.07 | ImgH(mm) | 3.26 |
| f5(mm) | 2.70 | Semi-FOV(°) | 60.0 |
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imaging lens of embodiment 5, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imaging lens of embodiment 5, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imaging lens of embodiment 5, indicates different
Distortion sizes values corresponding to visual field.Figure 10 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 10 A to Figure 10 D it is found that given by embodiment 5
Optical imaging lens can be realized good image quality.
Embodiment 6
The optical imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 to Figure 12 D.Figure 11 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 6.
As shown in figure 11, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 17
Table 18 give the effective focal length f1 to f6 of each lens in embodiment 6, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 on distance TTL, the imaging surface S15 on optical axis effective pixel area it is diagonal
The half ImgH of the wire length and half Semi-FOV at maximum field of view angle.
| f1(mm) | -4.24 | f6(mm) | -2.49 |
| f2(mm) | 12.00 | f(mm) | 2.50 |
| f3(mm) | 2.08 | TTL(mm) | 6.40 |
| f4(mm) | -4.44 | ImgH(mm) | 3.26 |
| f5(mm) | 3.43 | Semi-FOV(°) | 60.0 |
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imaging lens of embodiment 6, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imaging lens of embodiment 6, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imaging lens of embodiment 6, indicates different
Distortion sizes values corresponding to image height.Figure 12 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 12 A to Figure 12 D it is found that given by embodiment 6
Optical imaging lens can be realized good image quality.
Embodiment 7
The optical imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 to Figure 14 D.Figure 13 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 7.
As shown in figure 13, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: the first lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 7
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 20
Table 21 give the effective focal length f1 to f6 of each lens in embodiment 7, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 on distance TTL, the imaging surface S15 on optical axis effective pixel area it is diagonal
The half ImgH of the wire length and half Semi-FOV at maximum field of view angle.
| f1(mm) | -3.45 | f6(mm) | -2.99 |
| f2(mm) | 7.99 | f(mm) | 2.18 |
| f3(mm) | 2.25 | TTL(mm) | 5.90 |
| f4(mm) | -3.39 | ImgH(mm) | 3.26 |
| f5(mm) | 2.24 | Semi-FOV(°) | 63.5 |
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imaging lens of embodiment 7, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imaging lens of embodiment 7, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imaging lens of embodiment 7, indicates different
Distortion sizes values corresponding to image height.Figure 14 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 14 A to Figure 14 D it is found that given by embodiment 7
Optical imaging lens can be realized good image quality.
To sum up, embodiment 1 to embodiment 7 meets relationship shown in table 22 respectively.
| Conditional embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| T56/(T34+T45)/6 | 2.39 | 2.71 | 2.52 | 1.69 | 2.08 | 2.98 | 1.23 |
| (CT3+CT4+CT5)/TTL | 0.27 | 0.27 | 0.26 | 0.25 | 0.26 | 0.28 | 0.32 |
| SAG61/SAG12 | -1.90 | -2.03 | -1.81 | -1.35 | -2.38 | -1.99 | -1.53 |
| f12/f1 | 0.95 | 1.54 | 1.58 | 2.89 | 2.73 | 1.55 | 1.94 |
| f345/f | 0.77 | 0.81 | 0.82 | 0.99 | 0.92 | 0.82 | 0.88 |
| Semi-FOV(°) | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 | 63.5 |
| f/EPD | 2.19 | 2.19 | 2.19 | 2.19 | 2.19 | 2.19 | 2.19 |
| ET6/CT6 | 5.13 | 5.11 | 4.99 | 3.01 | 4.56 | 5.34 | 2.34 |
| DT11/DT61 | 1.56 | 1.00 | 1.00 | 0.63 | 1.71 | 1.00 | 0.86 |
| f*tan(Semi-FOV)/TTL | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | 0.74 |
| f/f3 | 1.12 | 0.91 | 1.13 | 1.08 | 1.05 | 1.20 | 0.97 |
| f/f5 | 1.01 | 0.55 | 0.86 | 0.83 | 0.93 | 0.73 | 0.97 |
| f/f6 | -1.16 | -1.00 | -0.96 | -0.77 | -0.72 | -1.00 | -0.73 |
| f3/TTL | 0.35 | 0.43 | 0.35 | 0.36 | 0.37 | 0.32 | 0.38 |
| R6/R10 | 0.94 | 1.40 | 0.87 | 0.77 | 0.79 | 0.80 | 1.22 |
Table 22
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to
The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above
Head.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (16)
- It by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th along optical axis 1. optical imaging lens Lens, the 5th lens and the 6th lens, which is characterized in thatFirst lens have negative power, and image side surface is concave surface；Second lens have focal power；The third lens have positive light coke, and image side surface is convex surface；4th lens have focal power；5th lens have positive light coke, and image side surface is convex surface；6th lens have negative power, and object side is concave surface；AndSpacing distance T56 on the optical axis of 5th lens and the 6th lens, the third lens and described Spacing distance T34 of four lens on the optical axis and the interval of the 4th lens and the 5th lens on the optical axis Distance T45 meets 1.0 < T56/ (T34+T45)/6≤3.0.
- 2. optical imaging lens according to claim 1, which is characterized in that the third lens on the optical axis in Heart thickness CT3, the 4th lens on the optical axis center thickness CT4 and the 5th lens on the optical axis in Heart thickness CT5 meets 0 < (CT3+CT4+CT5)/TTL < 0.5.
- 3. optical imaging lens according to claim 1, which is characterized in that the object side of the 6th lens and the light The picture of distance SAG61 and first lens on the intersection point of axis to the axis on the effective radius vertex of the object side of the 6th lens Distance SAG12 satisfaction-on the intersection point of side and the optical axis to the axis on the effective radius vertex of the image side surface of first lens 2.5 < SAG61/SAG12 < -1.0.
- 4. optical imaging lens according to claim 1, which is characterized in that first lens and second lens The effective focal length f1 of combined focal length f12 and first lens meets 0.5 f12/f1≤3.0 <.
- 5. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens F and the effective focal length f3 of the third lens meet 0.5 < f/f3 < 1.5.
- 6. optical imaging lens according to claim 5, which is characterized in that the effective focal length f3 of the third lens and institute It states distance TTL of the imaging surface of the object side of the first lens to the optical imaging lens on optical axis and meets 0 < f3/TTL < 0.5。
- 7. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens The effective focal length f5 of f and the 5th lens meets 0.5 < f/f5 < 1.5.
- 8. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens The effective focal length f6 of f and the 6th lens meets -1.5 < f/f6 < -0.5.
- 9. optical imaging lens according to claim 1, which is characterized in that the third lens, the 4th lens and Total effective focal length f of the combined focal length f345 of 5th lens and the optical imaging lens meet 0.5 < f345/f≤ 1.0。
- 10. optical imaging lens according to claim 1, which is characterized in that the maximum field of view of the optical imaging lens The half Semi-FOV at angle meets Semi-FOV >=60 °.
- 11. optical imaging lens according to claim 10, which is characterized in that total effective coke of the optical imaging lens The object side of the half Semi-FOV at the maximum field of view angle away from f, the optical imaging lens and first lens is to the light It learns distance TTL of the imaging surface of imaging lens on optical axis and meets 0.5 < f*tan (Semi-FOV)/TTL < 1.0.
- 12. optical imaging lens according to claim 1, which is characterized in that the edge thickness ET6 of the 6th lens with Center thickness CT6 of 6th lens on the optical axis meets 2.0 < ET6/CT6 < 5.5.
- 13. optical imaging lens according to claim 1, which is characterized in that the maximum of the object side of first lens The maximum effective radius DT61 of the object side of effective radius DT11 and the 6th lens meets 0.5 < DT11/DT61 < 2.0.
- 14. optical imaging lens according to claim 1, which is characterized in that the curvature of the image side surface of the third lens The radius of curvature R 10 of the image side surface of radius R6 and the 5th lens meets 0.5 < R6/R10 < 1.5.
- 15. according to claim 1 to optical imaging lens described in any one of 14, which is characterized in that the optical imaging lens Total effective focal length f of head and the Entry pupil diameters EPD of the optical imaging lens meet f/EPD < 2.2.
- It by object side to image side sequentially include: the first lens, the second lens, the third lens, along optical axis 16. optical imaging lens Four lens, the 5th lens and the 6th lens, which is characterized in thatFirst lens have negative power, and image side surface is concave surface；Second lens have focal power；The third lens have positive light coke, and image side surface is convex surface；4th lens have focal power；5th lens have positive light coke, and image side surface is convex surface；6th lens have negative power, and object side is concave surface；AndTotal effective focal length f of the optical imaging lens, the maximum field of view angle of the optical imaging lens half Semi-FOV Distance TTL meets 0.5 < f* on optical axis with the imaging surface of the object side of first lens to the optical imaging lens Tan (Semi-FOV)/TTL < 1.0.
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