CN209148941U - Imaging lens - Google Patents
Imaging lens Download PDFInfo
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- CN209148941U CN209148941U CN201821707839.9U CN201821707839U CN209148941U CN 209148941 U CN209148941 U CN 209148941U CN 201821707839 U CN201821707839 U CN 201821707839U CN 209148941 U CN209148941 U CN 209148941U
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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 and the 6th 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 negative power；The third lens have negative power, and object side is convex surface, and image side surface is concave surface；4th lens have focal power；5th lens have positive light coke；6th lens have focal power, and object side is concave surface.Wherein, the radius of curvature R 4 that any two adjacent lens gluing in first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens forms the image side surface of the combined focal length f12 of balsaming lens group and the first lens and the second lens, the radius of curvature R 1 of the object side of the first lens and the second lens meets 2.0 < f12/R1+f12/R4 < 3.3.
Description
Technical field
This application involves a kind of imaging lens, more specifically, this application involves a kind of imaging lens including six-element lens.
Background technique
In recent years, the double combination zoom schemes for taking the photograph camera lens of wide-angle+focal length are gradually risen, and are increasingly becoming numerous mobile phone vendors
The mainstream production mode reform of quotient.The double combination zoom thinkings for taking the photograph camera lens of wide-angle+focal length are: being taken with two different camera lenses of focal length
To match, the wide-angle lens of wide viewing angle " can be seen " very wide, the object of " seeing " unclear distant place, though and the telephoto lens of narrow viewing angle
The range so " seen " is little, and that still " sees " is farther apparent.Wide-angle and telephoto lens combination collocation, pass through camera lens when taking pictures
Switching and blending algorithm can be achieved with the zoom of relative smooth.The practical application of this zoom scheme, significantly improves mobile phone
The imaging performance of camera lens.
However, the telephoto lens with good image quality usually has longer optics overall length, it is unable to satisfy portable
The lightening development trend of electronic product.Miniaturization, long-focus and high imaging quality are how taken into account, is urgently to be resolved at present ask
Topic.
Utility model content
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, for example, telephoto lens.
On the one hand, this application provides such a imaging lens, which is sequentially wrapped along optical axis by object side to image side
It includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens can have
Positive light coke, object side can be convex surface；Second lens can have negative power；The third lens can have negative power, object
Side can be convex surface, and image side surface can be concave surface；4th lens have positive light coke or negative power；5th lens can have positive light
Focal power；6th lens have positive light coke or negative power, and object side can be concave surface.First lens, the second lens, third are saturating
The glue-bondable formation balsaming lens group of any two adjacent lens in mirror, the 4th lens, the 5th lens and the 6th lens；And the
The radius of curvature R 1 of the object side of the combined focal length f12 of one lens and the second lens, the first lens and the image side surface of the second lens
Radius of curvature R 4 can meet 2.0 < f12/R1+f12/R4 < 3.3.
In one embodiment, the first lens and the second lens the first balsaming lens group of glue-bondable formation.
In one embodiment, the 4th lens and the 5th lens the second balsaming lens group of glue-bondable formation.
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f5 of the 5th lens can meet 0 <
F1/f5 < 0.5.
In one embodiment, the object side of the first lens to imaging lens distance TTL of the imaging surface on optical axis
TTL/f < 1 can be met with total effective focal length f of imaging lens.
In one embodiment, the effective focal length f2 and the third lens of total effective focal length f of imaging lens, the second lens
Effective focal length f3 can meet 0.9 < | f/f2+f/f3 | < 2.2.
In one embodiment, the radius of curvature R 11 of the object side of total effective focal length f and the 6th lens of imaging lens
- 2.5 < f/R11 < -1.5 can be met.
In one embodiment, the curvature of the object side of the radius of curvature R 6 and the third lens of the image side surface of the third lens
Radius R5 can meet 0 < R6/R5 < 1.
In one embodiment, the effective half bore DT31 of maximum of the object side of the third lens, the third lens image side
The effective half bore DT62 of maximum of the image side surface of the effective half bore DT32 of maximum and the 6th lens in face can meet 0.7 < (DT31+
DT32)/DT62 < 1.2.
In one embodiment, the imaging of the maximum effective half bore DT61 and imaging lens of the object side of the 6th lens
The half ImgH of effective pixel area diagonal line length can meet 0.7 < DT61/ImgH < 1.0 on face.
In one embodiment, the spacing distance T56 and the first lens of the 5th lens and the 6th lens on optical axis
Distance TTL of the imaging surface on optical axis of object side to imaging lens can meet 1.5 < of < T56/TTL × 10 2.5.
In one embodiment, the maximum angle of half field-of view HFOV of imaging lens can meet 30 ° of HFOV <.
In one embodiment, the first lens exist in the center thickness CT1 on optical axis with the second lens and the third lens
Spacing distance T23 on optical axis can meet 0.8 < CT1/T23 < 1.6.
In one embodiment, the combined focal length of the effective focal length f6 of the 6th lens and the 4th lens and the 5th lens
F45 can meet | f6/f45 | < 0.5.
On the other hand, this application provides such a imaging lens, the camera lens along optical axis by object side to image side sequentially
It include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens can have
There is positive light coke, object side can be convex surface；Second lens can have negative power；The third lens can have negative power,
Object side can be convex surface, and image side surface can be concave surface；4th lens have positive light coke or negative power；5th lens can have just
Focal power；6th lens have positive light coke or negative power, and object side can be concave surface.First lens, the second lens, third
The glue-bondable formation balsaming lens group of any two adjacent lens in lens, the 4th lens, the 5th lens and the 6th lens；And
First lens can meet in the center thickness CT1 and spacing distance T23 of the second lens and the third lens on optical axis on optical axis
0.8 < CT1/T23 < 1.6.
In one embodiment, the first lens and the glue-bondable formation balsaming lens group of the second lens.
In one embodiment, the 4th lens and the glue-bondable formation balsaming lens group of the 5th lens.
Another aspect, this application provides such a imaging lens, the camera lens along optical axis by object side to image side sequentially
It include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens can have
There is positive light coke, object side can be convex surface；Second lens can have negative power；The third lens can have negative power,
Object side can be convex surface, and image side surface can be concave surface；4th lens have positive light coke or negative power；5th lens can have just
Focal power；6th lens have positive light coke or negative power, and object side can be concave surface.First lens, the second lens, third
The glue-bondable formation balsaming lens group of any two adjacent lens in lens, the 4th lens, the 5th lens and the 6th lens；And
Effective pixel area diagonal line length on the effective half bore DT61 of maximum of the object side of 6th lens and the imaging surface of imaging lens
Half ImgH can meet 0.7 < DT61/ImgH < 1.0.
Another aspect, this application provides such a imaging lens, the camera lens along optical axis by object side to image side sequentially
It include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens can have
There is positive light coke, object side can be convex surface；Second lens can have negative power；The third lens can have negative power,
Object side can be convex surface, and image side surface can be concave surface；4th lens have positive light coke or negative power；5th lens can have just
Focal power；6th lens have positive light coke or negative power, and object side can be concave surface.First lens, the second lens, third
The glue-bondable formation balsaming lens group of any two adjacent lens in lens, the 4th lens, the 5th lens and the 6th lens；And
The effective half bore DT31 of maximum of the object side of the third lens, the effective half bore DT32 of maximum of the image side surface of the third lens and the
The effective half bore DT62 of maximum of the image side surface of six lens can meet 0.7 < (DT31+DT32)/DT62 < 1.2.
The application uses six-element lens, by being suitably introduced into each power of lens of balsaming lens, reasonable distribution, face
Type, each lens center thickness and each lens between axis on spacing etc. so that above-mentioned imaging lens have long-focus, small-sized
Change, high imaging quality and at least one beneficial effect such as easy to process.
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. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 1, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the 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 imaging lens of embodiment 2, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the 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 imaging lens of embodiment 3, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the 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 imaging lens of embodiment 4, astigmatism curve, distortion curve
And ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the 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 imaging lens of embodiment 5, astigmatism curve, distortion song
Line and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the 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 imaging lens of embodiment 6, astigmatism curve, distortion song
Line and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the 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 imaging lens of embodiment 7, astigmatism curve, distortion song
Line and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrates chromatic curve on the axis of the imaging lens of embodiment 8, astigmatism curve, distortion song
Line 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 the lens near the surface of object
Object side, 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.
Imaging lens according to the application illustrative embodiments may include such as six lens with focal power, that is,
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.
In the exemplary embodiment, the first lens can have positive light coke, and object side can be convex surface；Second lens can
With negative power；The third lens can have negative power, and object side can be convex surface, and image side surface can be concave surface；4th lens
With positive light coke or negative power；5th lens can have positive light coke；6th lens have positive light coke or negative power,
Its object side can be concave surface.
In imaging lens, it may include at least one balsaming lens group.It in some embodiments, can be by the picture of the first lens
Side and the object side of the second lens are glued, form balsaming lens group.It in further embodiments, can be by the image side of the 4th lens
Face and the object side of the 5th lens are glued, form balsaming lens group.It optionally, can be by the image side surface of the first lens and the second lens
Object side gluing formed the first balsaming lens group, and simultaneously by the object side of the image side surface of the 4th lens and the 5th lens gluing
Form the second balsaming lens group.By introducing balsaming lens, the color for eliminating each lens itself in balsaming lens group is not only contributed to
Difference, can also residual fraction color difference with the color difference of balance system.And the airspace between two lens is omitted in the gluing of lens, makes
Camera lens compact overall structure is obtained, is conducive to the optics total length for shortening camera lens, meets small form factor requirements.In addition, the gluing of lens
Lens unit can be reduced because of tolerance sensitivities problems such as inclination/core shifts for generating during group is vertical, the volume production of camera lens can be improved
Property.
In the exemplary embodiment, the imaging lens of the application can meet conditional TTL/f < 1, wherein TTL
To distance of the imaging surface on optical axis of imaging lens, f is total effective focal length of imaging lens for the object side of one lens.More specifically
Ground, TTL and f can further meet 0.7 < TTL/f < 1, such as 0.89≤TTL/f≤0.98.Control the first lens object side extremely
Distance of the imaging surface on optical axis is less than total effective focal length of optical imaging lens, on the one hand can guarantee lens construction miniaturization,
On the other hand it can increase focal length to realize the imaging characteristic that enlargement ratio is big, the depth of field is small of telephoto lens.
In the exemplary embodiment, the imaging lens of the application can meet 2.0 < f12/R1+f12/R4 < of conditional
3.3, wherein f12 is the combined focal length of the first lens and the second lens, and R1 is the radius of curvature of the object side of the first lens, R4
For the radius of curvature of the image side surface of the second lens.More specifically, f12, R1 and R4 can further meet 2.25≤f12/R1+f12/
R4≤3.28.First lens and the second lens mainly undertake the effect for collecting light in imaging systems, and f12 is as the first lens
The light gathering ability of system is able to reflect out with the combined focal length of the second lens.Meet 2.0 < f12/R1+f12/R4 of conditional
< 3.3 can make eyeglass face type have lesser processing subtended angle, lifting process；Meanwhile also help the spherical aberration of balance system with
Lifting system image quality.Optionally, the object side of the first lens can be convex surface, and the image side surface of the second lens can be concave surface.The
One lens and the second lens can be further glued, are formed as meniscus shaped balsaming lens group of the convex surface towards object side.Such arrangement
Be conducive to light to enter in the optical system of rear.
In the exemplary embodiment, the imaging lens of the application can meet 30 ° of conditional HFOV <, wherein HFOV is
The maximum angle of half field-of view of imaging lens.More specifically, HFOV can further meet 22 ° of 30 ° of < HFOV <, such as 24.0 °≤
HFOV≤29.4°.The imaging lens of the application are a focal length imaging systems, and the control of maximum angle of half field-of view is had within 30 °
Conducive to guarantee system have biggish focal length, thus make in the case where identical F number camera lens have bigger Entry pupil diameters with
Just better imaging effect is formed.
In the exemplary embodiment, the imaging lens of the application can meet 0 < f1/f5 < 0.5 of conditional, wherein f1
For the effective focal length of the first lens, f5 is the effective focal length of the 5th lens.More specifically, f1 and f5 can further meet 0.05≤
f1/f5≤0.39.First lens and the 5th lens design positive lens carry main ray-collecting effect in systems.It is full
Sufficient 0 < f1/f5 < 0.5 of conditional can the aberration correction weight of the first lens of active balance and the 5th lens in optical system,
The spherical aberration of further balance system.
In the exemplary embodiment, the imaging lens of the application can meet 0.9 < of conditional | f/f2+f/f3 | < 2.2,
Wherein, f is total effective focal length of imaging lens, and f2 is the effective focal length of the second lens, and f3 is the effective focal length of the third lens.More
Specifically, f, f2 and f3 can further meet 0.93≤| f/f2+f/f3 |≤2.13.Meet 0.9 < of conditional | f/f2+f/f3 |
< 2.2 can operative constraint system light collection part focal power distribution, the focal power of the second lens and the third lens is all provided with
It is calculated as negative value and by both control in suitable range, the effect of preferable aberration balancing can be played.
In the exemplary embodiment, the imaging lens of the application can meet conditional | f6/f45 | < 0.5, wherein f6
For the effective focal length of the 6th lens, f45 is the combined focal length of the 4th lens and the 5th lens.More specifically, f6 and f45 are further
It can meet 0.01≤| f6/f45 |≤0.49.Imaging system in the application includes two groups of correction units, wherein the first correction is single
Member includes the first lens, the second lens and the third lens, and the second correction unit includes that the 4th lens, the 5th lens and the 6th are saturating
Mirror.Second correction unit can be divided into two groups of lens again, wherein first group includes the 4th lens and the 5th lens, and second group includes
6th lens.F45 and f6 undertakes the curvature of field distortion correction of optical system, and the Ratio control of f45 and f6 are had in OK range
Conducive to so that the picture of imaging system finally has uniform image quality.Optionally, the 6th lens can have negative power.
In the exemplary embodiment, the imaging lens of the application can meet 0 < R6/R5 < 1 of conditional, wherein R6 is
The radius of curvature of the image side surface of the third lens, R5 are the radius of curvature of the object side of the third lens.More specifically, R6 and R5 is into one
Step can meet 0.13≤R6/R5≤0.88.The third lens are designed as negative lens (that is, it is saturating to be rendered as the thin convex-concave of Bian Houxin
Mirror), being more in line with light trend so that optical system has lesser deviation angle can effectively reduce the quick of optical system
Sensitivity reduces production cost.
In the exemplary embodiment, the imaging lens of the application can meet -2.5 < -1.5 < f/R11 of conditional,
In, f is total effective focal length of imaging lens, and R11 is the radius of curvature of the object side of the 6th lens.More specifically, f and R11 into
One step can meet -2.43≤f/R11≤- 1.72.The total focal length f of system is positive value, and the object side of the 6th lens is concave surface, can be protected
Demonstrate,proving light has smaller incident angle, advantageously reduces system optics susceptibility.Meet -2.5 < f/R11 < of conditional -
1.5, it may make system that there is the good curvature of field and image quality can be made more uniform.
In the exemplary embodiment, the imaging lens of the application can meet 0.8 < CT1/T23 < 1.6 of conditional,
In, CT1 is the first lens in the center thickness on optical axis, and T23 is the spacing distance of the second lens and the third lens on optical axis.
More specifically, CT1 and T23 can further meet 0.94≤CT1/T23≤1.48.First lens, the second lens and the third lens
First for imaging system corrects unit, plays the effect of primary aberration balances to imaging system.Meet 0.8 < CT1/ of conditional
T23 < 1.6 can play preferable balanced action to system spherical aberration while guarantee system has preferable craftsmanship.
In the exemplary embodiment, the imaging lens of the application can meet 1.5 < of < T56/TTL × 10 2.5 of conditional,
Wherein, T56 is the spacing distance of the 5th lens and the 6th lens on optical axis, and TTL is the object side of the first lens to imaging lens
Distance of the imaging surface of head on optical axis.More specifically, T56 and TTL can further meet 1.76≤T56/TTL × 10≤
2.42.The spacing distance of 5th lens and the 6th lens on optical axis occupies biggish ratio in the curvature of field contribution of optical system
Weight, meeting 1.5 < of < T56/TTL × 10 2.5 of conditional may make optical system to have preferable curvature of field adjustment space.
In the exemplary embodiment, the imaging lens of the application can meet 0.7 < DT61/ImgH < 1.0 of conditional,
In, DT61 is effective half bore of maximum of the object side of the 6th lens, and ImgH is effective pixel region on the imaging surface of imaging lens
The half of domain diagonal line length.More specifically, DT61 and ImgH can further meet 0.75≤DT61/ImgH≤0.81.Constraint the
Ratio between effective half bore of maximum and image height of six lens, advantageously ensures that light tendency is smooth, and chip exposure is uniform.It is full
Sufficient 0.7 < DT61/ImgH < 1.0 of conditional, both can guarantee lens set harness have more reasonable craftsmanship and also can guarantee system at
The uniformity of image brightness.
In the exemplary embodiment, the imaging lens of the application can meet 0.7 < of conditional (DT31+DT32)/DT62
< 1.2, wherein DT31 is effective half bore of maximum of the object side of the third lens, DT32 be the image side surface of the third lens most
Big effective half bore, DT62 are effective half bore of maximum of the image side surface of the 6th lens.More specifically, DT31, DT32 and DT62
0.7 < (DT31+DT32)/DT62 < 1.0, such as 0.80≤(DT31+DT32)/DT62≤0.88 can further be met.Condition
0.7 < of formula (DT31+DT32)/DT62 < 1.2 is mainly used for constraining the light admission port of ray-collecting lens and light distribution lens group
Diameter, meeting the conditional may make the structure of telephoto lens more uniform, and can improving optical system manufacturability.
In the exemplary embodiment, above-mentioned imaging lens may also include at least one diaphragm, to promote the imaging of camera lens
Quality.For example, 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 six 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 the portable electronic products such as mobile phone.Imaging lens through the above configuration can also have focal length
Away from characteristics such as, miniaturization, high imaging qualities.Imaging lens provided by the present application can be used as telephoto lens applied to wide-angle+focal length
Double take the photograph in camera lens.
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.Compared with spherical lens, non-spherical lens has more preferably radius of curvature characteristic, has to improve and distorts aberration and improvement picture
The advantages of dissipating aberration.Non-spherical lens is mostly used in system, can eliminate the aberration occurred when imaging as much as possible, from
And improve image quality.Optionally, the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens
In each lens object side and image side surface be 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 imaging lens can be changed, to obtain each result and advantage described in this specification.Though for example,
It is so described by taking six lens as an example in embodiments, but the imaging lens are not limited to include six 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 to Fig. 2 D description according to the imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to the application
The structural schematic diagram of the imaging lens of embodiment 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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
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 negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is 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 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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, forms first
Balsaming lens group；The object side S9 of the image side surface S8 and the 5th lens E5 of 4th lens E4 are glued, form the second balsaming lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 1 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the imaging lens of embodiment 1
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、A14And A16。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | -2.3100E-03 | 1.9880E-03 | -1.5800E-03 | 9.6900E-04 | 3.9531E-05 | 0.0000E+00 | 0.0000E+00 |
| S2 | 2.3880E-02 | -2.6530E-02 | 1.2232E-02 | 1.5400E-04 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | 2.3880E-02 | -2.6530E-02 | 1.2232E-02 | 1.5400E-04 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | 5.3370E-03 | -2.1900E-03 | 2.3820E-03 | 1.5020E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S5 | -6.6220E-02 | 3.8850E-02 | 1.4742E-02 | -9.6600E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S6 | -5.5630E-02 | 6.4793E-02 | -1.1700E-02 | 1.1584E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S7 | -2.2570E-02 | -3.0390E-02 | 1.7749E-02 | -3.7300E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S8 | -4.4370E-02 | 7.4084E-02 | -3.3440E-02 | 4.5750E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S9 | -4.4370E-02 | 7.4084E-02 | -3.3440E-02 | 4.5750E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | 4.9250E-03 | -1.3100E-03 | 4.8970E-03 | -2.9000E-04 | -3.1999E-04 | -5.2190E-06 | 9.4572E-06 |
| S11 | 1.4800E-03 | 5.1940E-03 | -2.3000E-04 | -4.3000E-05 | -3.9000E-06 | 1.7139E-06 | -1.1098E-07 |
| S12 | -2.5340E-02 | 4.3680E-03 | -7.8000E-04 | 5.4200E-05 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
Table 2
Table 3 provides the effective focal length f1 to f6 of each lens in embodiment 1, total effective focal length f of imaging lens, optics overall length
Spend TTL (that is, distance from the object side S1 of the first lens E1 to imaging surface S15 on optical axis) and maximum angle of half field-of view
HFOV。
Table 3
Imaging lens in embodiment 1 meet:
TTL/f=0.94, wherein the imaging surface S15 of the object side S1 that TTL is the first lens E1 to imaging lens is in optical axis
On distance, f be imaging lens total effective focal length；
F12/R1+f12/R4=2.36, wherein f12 is the combined focal length of the first lens E1 and the second lens E2, R1 the
The radius of curvature of the object side S1 of one lens E1, R4 are the radius of curvature of the image side surface S4 of the second lens E2；
F1/f5=0.37, wherein f1 is the effective focal length of the first lens E1, and f5 is the effective focal length of the 5th lens E5；
| f/f2+f/f3 |=1.39, wherein f is total effective focal length of imaging lens, and f2 is effective coke of the second lens E2
Away from f3 is the effective focal length of the third lens E3；
| f6/f45 |=0.40, wherein f6 is the effective focal length of the 6th lens E6, and f45 is the 4th lens E4 and the 5th saturating
The combined focal length of mirror E5；
R6/R5=0.39, wherein R6 is the radius of curvature of the image side surface S6 of the third lens E3, and R5 is the third lens E3's
The radius of curvature of object side S5；
F/R11=-2.43, wherein f is total effective focal length of imaging lens, and R11 is the object side S11 of the 6th lens E6
Radius of curvature；
CT1/T23=1.17, wherein CT1 is the first lens E1 in the center thickness on optical axis, and T23 is the second lens E2
With spacing distance of the third lens E3 on optical axis；
T56/TTL × 10=2.13, wherein T56 is spacing distance of the 5th lens E5 and the 6th lens E6 on optical axis,
The object side S1 that TTL is the first lens E1 to imaging lens distance of the imaging surface S15 on optical axis；
DT61/ImgH=0.81, wherein effective half bore of maximum that DT61 is the object side S11 of the 6th lens E6, ImgH
For the half of effective pixel area diagonal line length on the imaging surface S15 of imaging lens；
(DT31+DT32)/DT62=0.88, wherein effective half mouthful of maximum that DT31 is the object side S5 of the third lens E3
Diameter, effective half bore of maximum that DT32 is the image side surface S6 of the third lens E3, DT62 be the image side surface S12 of the 6th lens E6 most
Big effective half bore.
Fig. 2A shows chromatic curve on the axis of the imaging lens of embodiment 1, indicates the light of different wave length via mirror
Converging focal point after head deviates.Fig. 2 B shows the astigmatism curve of the imaging lens of embodiment 1, indicate meridianal image surface bending and
Sagittal image surface bending.Fig. 2 C shows the distortion curve of the imaging lens of embodiment 1, indicates abnormal corresponding to different field angles
Become sizes values.Fig. 2 D shows the ratio chromatism, curve of the imaging lens of embodiment 1, indicates that light is being imaged via after camera lens
The deviation of different image heights on face.A to Fig. 2 D is it is found that imaging lens given by embodiment 1 can be realized well according to fig. 2
Image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D 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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
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 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 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 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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, forms first
Balsaming lens group；The object side S9 of the image side surface S8 and the 5th lens E5 of 4th lens E4 are glued, form the second balsaming lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 4 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the imaging lens of embodiment 2
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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -2.4800E-03 | 2.2400E-04 | -2.6300E-03 | 1.2320E-03 | 2.0447E-04 | -1.1000E-03 | -5.8000E-04 | 1.2380E-03 | -1.3000E-04 |
| S2 | -5.4490E-02 | 4.1332E-02 | 4.1552E-02 | -4.7660E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | -5.4490E-02 | 4.1332E-02 | 4.1552E-02 | -4.7660E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -2.0500E-03 | -5.6000E-05 | 1.1125E-02 | -4.7700E-03 | -5.0805E-03 | -5.0700E-03 | 6.1550E-03 | -1.5800E-03 | 7.9400E-10 |
| S5 | -1.1241E-01 | 1.3183E-02 | 7.1216E-02 | -3.4160E-02 | 1.7638E-02 | 5.1190E-03 | -2.0290E-02 | -7.8000E-09 | -2.6000E-09 |
| S6 | -1.1382E-01 | 6.4071E-02 | 2.8007E-02 | 2.3527E-02 | -3.5568E-03 | -1.1600E-03 | 9.5570E-03 | -9.8000E-04 | 1.2800E-11 |
| S7 | -2.3600E-02 | -4.7000E-04 | 2.3490E-03 | -3.7900E-03 | -1.6521E-02 | -1.2380E-02 | 8.7940E-03 | -5.5000E-10 | -7.1000E-10 |
| S8 | 1.2886E-01 | -2.3470E-02 | 5.3630E-03 | -8.2600E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S9 | 1.2886E-01 | -2.3470E-02 | 5.3630E-03 | -8.2600E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | 2.0341E-02 | 4.2410E-03 | 3.7855E-02 | -6.5780E-02 | 9.1896E-02 | -8.9230E-02 | 4.8255E-02 | -1.3290E-02 | 1.4550E-03 |
| S11 | 6.3350E-03 | -8.8300E-03 | 2.1684E-02 | -1.3840E-02 | 4.9761E-03 | -1.1200E-03 | 1.5700E-04 | -1.2000E-05 | 4.2200E-07 |
| S12 | -4.3330E-02 | 7.5290E-03 | 2.9090E-03 | -4.3600E-03 | 2.4138E-03 | -7.8000E-04 | 1.4800E-04 | -1.5000E-05 | 6.6900E-07 |
Table 5
Table 6 provides the effective focal length f1 to f6 of each lens in embodiment 2, total effective focal length f of imaging lens, optics overall length
Spend TTL and maximum angle of half field-of view HFOV.
| f1(mm) | 2.79 | f6(mm) | -5.09 |
| f2(mm) | -8.58 | f(mm) | 5.20 |
| f3(mm) | -12.47 | TTL(mm) | 5.10 |
| f4(mm) | 25.34 | HFOV(°) | 29.4 |
| f5(mm) | 23.59 |
Table 6
Fig. 4 A shows chromatic curve on the axis of the imaging lens of embodiment 2, indicates the light of different wave length via mirror
Converging focal point after head deviates.Fig. 4 B shows the astigmatism curve of the imaging lens of embodiment 2, indicate meridianal image surface bending and
Sagittal image surface bending.Fig. 4 C shows the distortion curve of the imaging lens of embodiment 2, indicates abnormal corresponding to different field angles
Become sizes values.Fig. 4 D shows the ratio chromatism, curve of the imaging lens of embodiment 2, indicates that light is being imaged via after camera lens
The deviation of different image heights on face.According to Fig. 4 A to Fig. 4 D it is found that imaging lens given by embodiment 2 can be realized well
Image quality.
Embodiment 3
The imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 to Fig. 6 D.Fig. 5 is shown according to this Shen
Please embodiment 3 imaging lens structural schematic diagram.
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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have 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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, forms first
Balsaming lens group；The object side S9 of the image side surface S8 and the 5th lens E5 of 4th lens E4 are glued, form the second balsaming lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 7 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the imaging lens of embodiment 3
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 provides the effective focal length f1 to f6 of each lens in embodiment 3, total effective focal length f of imaging lens, optics overall length
Spend TTL and maximum angle of half field-of view HFOV.
| f1(mm) | 2.82 | f6(mm) | -4.32 |
| f2(mm) | -8.98 | f(mm) | 5.50 |
| f3(mm) | -14.73 | TTL(mm) | 5.00 |
| f4(mm) | 90.87 | HFOV(°) | 27.8 |
| f5(mm) | 60.47 |
Table 9
Fig. 6 A shows chromatic curve on the axis of the imaging lens of embodiment 3, indicates the light of different wave length via mirror
Converging focal point after head deviates.Fig. 6 B shows the astigmatism curve of the imaging lens of embodiment 3, indicate meridianal image surface bending and
Sagittal image surface bending.Fig. 6 C shows the distortion curve of the imaging lens of embodiment 3, indicates abnormal corresponding to different field angles
Become sizes values.Fig. 6 D shows the ratio chromatism, curve of the imaging lens of embodiment 3, indicates that light is being imaged via after camera lens
The deviation of different image heights on face.According to Fig. 6 A to Fig. 6 D it is found that imaging lens given by embodiment 3 can be realized well
Image quality.
Embodiment 4
The imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 to Fig. 8 D.Fig. 7 is shown according to this Shen
Please embodiment 4 imaging lens structural schematic diagram.
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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
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 negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is 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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, is formed glued
Lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 10 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 4
Bore 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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -5.1900E-03 | 4.8728E-04 | -3.7800E-03 | 2.3600E-04 | -5.0683E-05 | -1.0000E-03 | -4.9000E-04 | 1.0920E-03 | -5.3849E-04 |
| S2 | -6.2870E-02 | 2.4348E-02 | 3.9028E-02 | -2.8000E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | -6.2870E-02 | 2.4348E-02 | 3.9028E-02 | -2.8000E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -8.8100E-03 | -8.0722E-03 | 8.9700E-03 | -3.8100E-03 | -3.3790E-03 | -3.9600E-03 | 6.1890E-03 | -2.5000E-03 | -6.1772E-04 |
| S5 | -1.3609E-01 | -1.6786E-03 | 7.9844E-02 | 2.9310E-03 | 5.5815E-02 | -1.3310E-02 | -4.5790E-02 | -7.8000E-09 | -2.6203E-09 |
| S6 | -1.6884E-01 | 5.2555E-02 | 8.5881E-02 | 5.0452E-02 | -3.8811E-02 | 4.3830E-03 | 6.6476E-02 | -9.8000E-04 | 8.3872E-12 |
| S7 | -1.5100E-03 | -2.6205E-02 | 4.9920E-03 | -7.9500E-03 | -6.4591E-02 | -2.3130E-02 | 4.8878E-02 | -5.4000E-10 | -7.1115E-10 |
| S8 | 2.5634E-01 | -7.0906E-02 | -3.3320E-02 | 1.3960E-03 | 3.5284E-03 | 1.5320E-03 | 1.3700E-04 | -1.0100E-03 | -3.8500E-04 |
| S9 | 2.0988E-01 | -1.1244E-01 | -1.7350E-02 | 1.2949E-02 | 5.4244E-03 | 4.5300E-04 | -9.2000E-04 | -1.0700E-03 | -9.6353E-04 |
| S10 | 9.9287E-02 | -1.1318E-02 | -1.6009E-01 | 3.7927E-01 | -5.9107E-01 | 5.6196E-01 | -3.0993E-01 | 9.1407E-02 | -1.1189E-02 |
| S11 | -2.1490E-02 | 2.1152E-03 | 2.7203E-02 | -2.0630E-02 | 7.8935E-03 | -1.7900E-03 | 2.4200E-04 | -1.8000E-05 | 5.7575E-07 |
| S12 | -7.9660E-02 | 2.3154E-02 | 9.3800E-04 | -7.6000E-03 | 5.2879E-03 | -1.9200E-03 | 3.9200E-04 | -4.2000E-05 | 1.8624E-06 |
Table 11
It is total that table 12 provides the effective focal length f1 to f6 of each lens in embodiment 4, total effective focal length f, the optics of imaging lens
Length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | 2.65 | f6(mm) | -4.28 |
| f2(mm) | -6.94 | f(mm) | 5.50 |
| f3(mm) | -40.24 | TTL(mm) | 5.00 |
| f4(mm) | -18.57 | HFOV(°) | 27.3 |
| f5(mm) | 21.52 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the imaging lens of embodiment 4, indicates the light of different wave length via mirror
Converging focal point after head deviates.Fig. 8 B shows the astigmatism curve of the imaging lens of embodiment 4, indicate meridianal image surface bending and
Sagittal image surface bending.Fig. 8 C shows the distortion curve of the imaging lens of embodiment 4, indicates abnormal corresponding to different field angles
Become sizes values.Fig. 8 D shows the ratio chromatism, curve of the imaging lens of embodiment 4, indicates that light is being imaged via after camera lens
The deviation of different image heights on face.According to Fig. 8 A to Fig. 8 D it is found that imaging lens given by embodiment 4 can be realized well
Image quality.
Embodiment 5
The imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 to Figure 10 D.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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
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 negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is 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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, forms first
Balsaming lens group；The object side S9 of the image side surface S8 and the 5th lens E5 of 4th lens E4 are glued, form the second balsaming lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 13 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 5
Bore 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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -7.4700E-03 | 6.5700E-04 | -4.7750E-02 | 2.0689E-01 | -4.7980E-01 | 6.3293E-01 | -4.8174E-01 | 1.9602E-01 | -3.2890E-02 |
| S2 | -2.4010E-02 | 2.2245E-02 | 2.6576E-02 | -1.4250E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | -2.4010E-02 | 2.2245E-02 | 2.6576E-02 | -1.4250E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -2.5570E-02 | 1.2894E-02 | -2.6850E-02 | 4.6380E-03 | 1.6720E-01 | -4.3713E-01 | 4.9137E-01 | -2.6841E-01 | 5.7614E-02 |
| S5 | -1.0273E-01 | 4.9236E-02 | 1.0232E-01 | -5.4180E-02 | 3.8129E-02 | -4.6870E-02 | -3.0000E-11 | -6.1000E-12 | 2.7800E-13 |
| S6 | -1.2575E-01 | 7.9627E-02 | 5.5640E-02 | 3.0327E-02 | 1.7841E-02 | -7.1000E-11 | -5.1000E-12 | -9.0000E-12 | -1.9000E-12 |
| S7 | -6.1140E-02 | -9.3000E-02 | 2.0526E-02 | 1.7999E-02 | -1.6670E-02 | 1.2100E-10 | 1.9000E-11 | 4.2000E-12 | -5.7000E-14 |
| S8 | 4.9180E-02 | -4.8870E-02 | 1.2999E-02 | -1.0490E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S9 | 4.9180E-02 | -4.8870E-02 | 1.2999E-02 | -1.0490E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -1.5700E-03 | -3.6800E-03 | 1.2955E-02 | -2.7500E-03 | -3.1900E-03 | -6.6000E-04 | 4.8800E-04 | 0.0000E+00 | 0.0000E+00 |
| S11 | -3.2300E-03 | 8.2420E-03 | -3.4000E-05 | -9.1000E-05 | -2.1000E-05 | -2.5000E-07 | 6.1800E-07 | 4.9400E-08 | -1.8000E-08 |
| S12 | -4.2950E-02 | 1.1580E-02 | -2.6500E-03 | 2.4400E-04 | 2.4700E-06 | 1.9000E-06 | 3.9900E-07 | -6.2000E-09 | -3.8000E-08 |
Table 14
It is total that table 15 provides the effective focal length f1 to f6 of each lens in embodiment 5, total effective focal length f, the optics of imaging lens
Length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | 2.59 | f6(mm) | -8.08 |
| f2(mm) | -7.01 | f(mm) | 6.05 |
| f3(mm) | -9.47 | TTL(mm) | 5.38 |
| f4(mm) | -5.72 | HFOV(°) | 24.0 |
| f5(mm) | 7.10 |
Table 15
Figure 10 A shows chromatic curve on the axis of the imaging lens of embodiment 5, indicates the light of different wave length via mirror
Converging focal point after head deviates.Figure 10 B shows the astigmatism curve of the imaging lens of embodiment 5, indicates meridianal image surface bending
It is bent with sagittal image surface.Figure 10 C shows the distortion curve of the imaging lens of embodiment 5, indicates corresponding to different field angles
Distortion sizes values.Figure 10 D shows the ratio chromatism, curve of the imaging lens of embodiment 5, after indicating light via camera lens
The deviation of different image heights on imaging surface.According to Figure 10 A to Figure 10 D it is found that imaging lens given by embodiment 5 can
Realize good image quality.
Embodiment 6
The imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 to Figure 12 D.Figure 11 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
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 negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, forms first
Balsaming lens group；The object side S9 of the image side surface S8 and the 5th lens E5 of 4th lens E4 are glued, form the second balsaming lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 16 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 6
Bore 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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -1.2820E-02 | 3.2559E-02 | -1.7120E-01 | 4.7012E-01 | -7.9393E-01 | 8.2165E-01 | -5.0963E-01 | 1.7309E-01 | -2.4650E-02 |
| S2 | -8.1500E-03 | 2.3298E-02 | 2.4837E-02 | -1.2980E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | -8.1500E-03 | 2.3298E-02 | 2.4837E-02 | -1.2980E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -4.3800E-03 | -1.6740E-02 | 1.2955E-01 | -3.5026E-01 | 5.6701E-01 | -5.5906E-01 | 3.2008E-01 | -9.6600E-02 | 1.1722E-02 |
| S5 | -1.2682E-01 | -4.1579E-01 | 4.7417E+00 | -1.9355E+01 | 4.7674E+01 | -7.4102E+01 | 7.0868E+01 | -3.8048E+01 | 8.7758E+00 |
| S6 | -2.0327E-01 | 1.4763E-01 | 1.4840E+00 | -7.0225E+00 | 1.9474E+01 | -3.5426E+01 | 4.1433E+01 | -2.8120E+01 | 8.4757E+00 |
| S7 | -1.5718E-01 | 1.2312E-01 | -5.0746E-01 | 7.9764E-01 | 8.6650E-01 | -5.8898E+00 | 1.0439E+01 | -8.7022E+00 | 2.9317E+00 |
| S8 | -1.3530E-02 | -3.7700E-03 | 3.3760E-02 | -4.3060E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S9 | -1.3530E-02 | -3.7700E-03 | 3.3760E-02 | -4.3060E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -1.3900E-02 | 2.5046E-02 | -7.9620E-02 | 2.1050E-01 | -3.2843E-01 | 3.3431E-01 | -2.2769E-01 | 9.0317E-02 | -1.5250E-02 |
| S11 | -3.9110E-02 | 1.0562E-02 | 1.5543E-02 | -1.1480E-02 | 5.5420E-03 | -2.0100E-03 | 4.6300E-04 | -5.8000E-05 | 2.9500E-06 |
| S12 | -6.7110E-02 | 1.3275E-02 | 1.5860E-03 | -5.5400E-03 | 4.3690E-03 | -1.8200E-03 | 4.2500E-04 | -5.2000E-05 | 2.5600E-06 |
Table 17
It is total that table 18 provides the effective focal length f1 to f6 of each lens in embodiment 6, total effective focal length f, the optics of imaging lens
Length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | 2.58 | f6(mm) | -8.78 |
| f2(mm) | -9.77 | f(mm) | 6.05 |
| f3(mm) | -4.00 | TTL(mm) | 5.38 |
| f4(mm) | -10.55 | HFOV(°) | 24.1 |
| f5(mm) | 6.54 |
Table 18
Figure 12 A shows chromatic curve on the axis of the imaging lens of embodiment 6, indicates the light of different wave length via mirror
Converging focal point after head deviates.Figure 12 B shows the astigmatism curve of the imaging lens of embodiment 6, indicates meridianal image surface bending
It is bent with sagittal image surface.Figure 12 C shows the distortion curve of the imaging lens of embodiment 6, indicates corresponding to different field angles
Distortion sizes values.Figure 12 D shows the ratio chromatism, curve of the imaging lens of embodiment 6, after indicating light via camera lens
The deviation of different image heights on imaging surface.According to Figure 12 A to Figure 12 D it is found that imaging lens given by embodiment 6 can
Realize good image quality.
Embodiment 7
The imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 to Figure 14 D.Figure 13 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
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 negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is 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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, is formed glued
Lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 19 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 7
Bore 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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.8800E-03 | -7.0200E-03 | 2.4220E-02 | -7.8400E-02 | 1.4992E-01 | -1.8047E-01 | 1.2982E-01 | -5.1190E-02 | 8.5040E-03 |
| S2 | -2.1720E-02 | 1.9565E-02 | 2.4247E-02 | -1.4800E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S3 | -2.1720E-02 | 1.9565E-02 | 2.4247E-02 | -1.4800E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 |
| S4 | -4.9600E-03 | 2.8687E-02 | -1.8878E-01 | 6.2260E-01 | -1.1986E+00 | 1.4049E+00 | -9.9443E-01 | 3.8982E-01 | -6.4950E-02 |
| S5 | -1.1467E-01 | 1.2975E-02 | 5.6346E-01 | -2.2173E+00 | 5.9095E+00 | -1.0029E+01 | 1.0324E+01 | -5.8749E+00 | 1.4159E+00 |
| S6 | -1.5723E-01 | 1.5284E-01 | 2.3443E-01 | -2.0441E+00 | 9.2356E+00 | -2.2800E+01 | 3.2432E+01 | -2.4975E+01 | 8.1981E+00 |
| S7 | -7.8460E-02 | -2.0150E-02 | -3.6954E-01 | 1.9255E+00 | -5.2450E+00 | 8.0430E+00 | -6.5479E+00 | 2.1693E+00 | 5.7932E-02 |
| S8 | 2.8577E-02 | -3.1680E-02 | 2.5553E-02 | -1.9780E-02 | 7.5200E-04 | 5.3400E-04 | 3.5100E-04 | 1.6300E-04 | -6.6000E-05 |
| S9 | 3.2290E-02 | -2.4790E-02 | 3.0328E-02 | -1.6780E-02 | 1.7130E-03 | 8.1900E-04 | 2.9800E-04 | 2.5900E-05 | -9.8000E-05 |
| S10 | -4.2200E-03 | 3.9630E-03 | -1.7580E-02 | 4.9116E-02 | -4.6220E-02 | 1.9485E-02 | -3.0900E-03 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.2010E-02 | 1.6509E-02 | -6.3800E-03 | 9.8860E-03 | -6.4300E-03 | 1.9750E-03 | -3.2000E-04 | 2.5100E-05 | -7.9000E-07 |
| S12 | -6.2430E-02 | 2.2604E-02 | -1.4010E-02 | 1.1379E-02 | -6.2900E-03 | 2.2290E-03 | -4.9000E-04 | 6.0400E-05 | -3.2000E-06 |
Table 20
It is total that table 21 provides the effective focal length f1 to f6 of each lens in embodiment 7, total effective focal length f, the optics of imaging lens
Length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | 2.63 | f6(mm) | -6.70 |
| f2(mm) | -7.08 | f(mm) | 6.05 |
| f3(mm) | -9.54 | TTL(mm) | 5.38 |
| f4(mm) | -7.71 | HFOV(°) | 24.0 |
| f5(mm) | 9.24 |
Table 21
Figure 14 A shows chromatic curve on the axis of the imaging lens of embodiment 7, indicates the light of different wave length via mirror
Converging focal point after head deviates.Figure 14 B shows the astigmatism curve of the imaging lens of embodiment 7, indicates meridianal image surface bending
It is bent with sagittal image surface.Figure 14 C shows the distortion curve of the imaging lens of embodiment 7, indicates corresponding to different field angles
Distortion sizes values.Figure 14 D shows the ratio chromatism, curve of the imaging lens of embodiment 7, after indicating light via camera lens
The deviation of different image heights on imaging surface.According to Figure 14 A to Figure 14 D it is found that imaging lens given by embodiment 7 can
Realize good image quality.
Embodiment 8
The imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 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
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filter E7
With imaging surface S15.
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 negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is 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 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.
In the present embodiment, the object side S3 of the image side surface S2 of the first lens E1 and the second lens E2 is glued, is formed glued
Lens group.
In the present embodiment, diaphragm (not shown) can be set between object side and the first lens E1 further to promote camera lens
Image quality.
Table 22 shows surface type, radius of curvature, thickness, material and the circle of each lens of the imaging lens of embodiment 8
Bore coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, 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 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 23
It is total that table 24 provides the effective focal length f1 to f6 of each lens in embodiment 8, total effective focal length f, the optics of imaging lens
Length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | 2.63 | f6(mm) | -6.44 |
| f2(mm) | -7.03 | f(mm) | 6.05 |
| f3(mm) | -9.34 | TTL(mm) | 5.38 |
| f4(mm) | -9.67 | HFOV(°) | 24.1 |
| f5(mm) | 10.91 |
Table 24
Figure 16 A shows chromatic curve on the axis of the imaging lens of embodiment 8, indicates the light of different wave length via mirror
Converging focal point after head deviates.Figure 16 B shows the astigmatism curve of the imaging lens of embodiment 8, indicates meridianal image surface bending
It is bent with sagittal image surface.Figure 16 C shows the distortion curve of the imaging lens of embodiment 8, indicates corresponding to different field angles
Distortion sizes values.Figure 16 D shows the ratio chromatism, curve of the imaging lens of embodiment 8, after indicating light via camera lens
The deviation of different image heights on imaging surface.According to Figure 16 A to Figure 16 D it is found that imaging lens given by embodiment 8 can
Realize good image quality.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 25 respectively.
Table 25
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to
The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with 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 (28)
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 and the 6th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface；
Second lens have negative power；
The third lens have negative power, and object side is convex surface, and image side surface is concave surface；
4th lens have focal power；
5th lens have positive light coke；
6th lens have focal power, and object side is concave surface；
Any two in first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens are adjacent
Mirror gluing forms balsaming lens group；And
The radius of curvature R 1 of the object side of the combined focal length f12 of first lens and second lens, first lens
Meet 2.0 < f12/R1+f12/R4 < 3.3 with the radius of curvature R 4 of the image side surface of second lens.
2. imaging lens according to claim 1, which is characterized in that first lens and the second lens gluing shape
At the first balsaming lens group.
3. imaging lens according to claim 1, which is characterized in that total effective focal length f of the imaging lens, described
The effective focal length f2 of two lens and the effective focal length f3 of the third lens meet 0.9 < | f/f2+f/f3 | < 2.2.
4. imaging lens according to claim 3, which is characterized in that first lens are thick in the center on the optical axis
It spends the spacing distance T23 of CT1 and second lens and the third lens on the optical axis and meets 0.8 < CT1/T23 <
1.6。
5. imaging lens according to claim 1, which is characterized in that the effective focal length f6 of the 6th lens and described the
The combined focal length f45 of four lens and the 5th lens meets | f6/f45 | < 0.5.
6. according to claim 1, imaging lens described in any one of 2 or 5, which is characterized in that the 4th lens and described
5th lens gluing forms the second balsaming lens group.
7. imaging lens according to claim 1, which is characterized in that the effective focal length f1 of first lens and described the
The effective focal length f5 of five lens meets 0 < f1/f5 < 0.5.
8. imaging lens according to claim 1, which is characterized in that total effective focal length f of the imaging lens with it is described
The radius of curvature R 11 of the object side of 6th lens meets -2.5 < f/R11 < -1.5.
9. imaging lens according to claim 1, which is characterized in that the radius of curvature R 6 of the image side surface of the third lens
Meet 0 < R6/R5 < 1 with the radius of curvature R 5 of the object side of the third lens.
10. imaging lens according to claim 1, which is characterized in that the maximum of the object side of the third lens is effectively
Half bore DT31, the third lens image side surface the effective half bore DT32 of maximum and the 6th lens image side surface most
Big effective half bore DT62 meets 0.7 < (DT31+DT32)/DT62 < 1.2.
11. imaging lens according to claim 1, which is characterized in that the maximum of the object side of the 6th lens is effectively
The half ImgH of effective pixel area diagonal line length meets 0.7 < on the imaging surface of half bore DT61 and the imaging lens
DT61/ImgH < 1.0.
12. imaging lens according to claim 1, which is characterized in that the 5th lens and the 6th lens are in institute
The object sides of spacing distance T56 on optical axis and first lens is stated to the imaging surface of the imaging lens on the optical axis
Distance TTL meet 1.5 < of < T56/TTL × 10 2.5.
13. according to claim 1 to imaging lens described in any one of 5,7 to 12, which is characterized in that the imaging lens
Maximum angle of half field-of view HFOV meets 30 ° of HFOV <.
14. according to claim 1 to imaging lens described in any one of 5,7 to 12, which is characterized in that first lens
Object side is to distance TTL of the imaging surface on the optical axis of the imaging lens and total effective focal length f of the imaging lens
Meet TTL/f < 1.
It by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th along optical axis 15. imaging lens
Lens, the 5th lens and the 6th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface；
Second lens have negative power；
The third lens have negative power, and object side is convex surface, and image side surface is concave surface；
4th lens have focal power；
5th lens have positive light coke；
6th lens have focal power, and object side is concave surface；
Any two in first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens are adjacent
Mirror gluing forms balsaming lens group；And
First lens are in the center thickness CT1 on the optical axis with second lens and the third lens in the light
Spacing distance T23 on axis meets 0.8 < CT1/T23 < 1.6.
16. imaging lens according to claim 15, which is characterized in that first lens and second lens are glued
Form balsaming lens group.
17. imaging lens according to claim 16, which is characterized in that the group of first lens and second lens
The radius of curvature R 4 of the image side surface of the radius of curvature R 1 of the object side of complex focus f12, first lens and second lens
Meet 2.0 < f12/R1+f12/R4 < 3.3.
18. imaging lens according to claim 15, which is characterized in that total effective focal length f of the imaging lens, described
The effective focal length f2 of second lens and the effective focal length f3 of the third lens meet 0.9 < | f/f2+f/f3 | < 2.2.
19. imaging lens according to claim 15, which is characterized in that the effective focal length f1 of first lens with it is described
The effective focal length f5 of 5th lens meets 0 < f1/f5 < 0.5.
20. imaging lens according to claim 15, which is characterized in that the effective focal length f6 of the 6th lens with it is described
The combined focal length f45 of 4th lens and the 5th lens meets | f6/f45 | < 0.5.
21. imaging lens according to claim 20, which is characterized in that the 4th lens and the 5th lens are glued
Form balsaming lens group.
22. imaging lens according to claim 15, which is characterized in that total effective focal length f of the imaging lens and institute
The radius of curvature R 11 for stating the object side of the 6th lens meets -2.5 < f/R11 < -1.5.
23. imaging lens according to claim 15, which is characterized in that the radius of curvature of the image side surface of the third lens
The radius of curvature R 5 of the object side of R6 and the third lens meets 0 < R6/R5 < 1.
24. imaging lens according to claim 15, which is characterized in that the maximum of the object side of the third lens is effectively
Half bore DT31, the third lens image side surface the effective half bore DT32 of maximum and the 6th lens image side surface most
Big effective half bore DT62 meets 0.7 < (DT31+DT32)/DT62 < 1.2.
25. imaging lens according to claim 15, which is characterized in that the maximum of the object side of the 6th lens is effectively
The half ImgH of effective pixel area diagonal line length meets 0.7 < on the imaging surface of half bore DT61 and the imaging lens
DT61/ImgH < 1.0.
26. imaging lens according to claim 15, which is characterized in that the 5th lens and the 6th lens are in institute
The object sides of spacing distance T56 on optical axis and first lens is stated to the imaging surface of the imaging lens on the optical axis
Distance TTL meet 1.5 < of < T56/TTL × 10 2.5.
27. imaging lens according to claim 15, which is characterized in that the object side of first lens to the imaging
Total effective focal length f of distance TTL of the imaging surface of camera lens on the optical axis and the imaging lens meets TTL/f < 1.
28. imaging lens described in any one of 5 to 27 according to claim 1, which is characterized in that the maximum of the imaging lens
Angle of half field-of view HFOV meets 30 ° of HFOV <.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164560A (en) * | 2018-10-22 | 2019-01-08 | 浙江舜宇光学有限公司 | Imaging lens |
| CN109164560B (en) * | 2018-10-22 | 2024-01-12 | 浙江舜宇光学有限公司 | Imaging lens |
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