CN108873252A - Optical imaging lens - Google Patents

Optical imaging lens Download PDF

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Publication number
CN108873252A
CN108873252A CN201810708667.5A CN201810708667A CN108873252A CN 108873252 A CN108873252 A CN 108873252A CN 201810708667 A CN201810708667 A CN 201810708667A CN 108873252 A CN108873252 A CN 108873252A
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CN
China
Prior art keywords
lens
optical imaging
image
focal length
convex
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Pending
Application number
CN201810708667.5A
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Chinese (zh)
Inventor
胡亚斌
冯涛
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Zhejiang Sunny Optical Technology Co Ltd
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Zhejiang Sunny Optical Technology Co Ltd
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Application filed by Zhejiang Sunny Optical Technology Co Ltd filed Critical Zhejiang Sunny Optical Technology Co Ltd
Priority to CN201810708667.5A priority Critical patent/CN108873252A/en
Publication of CN108873252A publication Critical patent/CN108873252A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045Miniaturised 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/18Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

Abstract

This application discloses a kind of optical imaging lens, which sequentially includes by object side to image side along optical axis:First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Wherein, the first lens have positive light coke, and object side is convex surface;Second lens have focal power, and image side surface is concave surface;The third lens have focal power;4th lens have focal power;5th lens have focal power;6th lens have focal power, and object side is concave surface, and image side surface is convex surface;7th lens have negative power, and object side is concave surface, and image side surface is convex surface;And the 4th total effective focal length f of the spacing distance T56 and optical imaging lens of spacing distance T45, the 5th lens and the 6th lens on optical axis on optical axis of lens and the 5th lens meet 0.5mm‑1< T45/ (T56 × f) < 2mm‑1

Description

Optical imaging lens
Technical field
This application involves a kind of optical imaging lens, more specifically, this application involves a kind of optics including seven lens Imaging lens.
Background technique
As the miniaturized electronics such as smart phone product is higher and higher to the functional requirement of lens imaging and Innovation Demand, city To the optical of the hardware condition of charge coupled device or complement metal oxide semiconductor image sensor and imaging lens Requirements at the higher level can be also proposed.Especially double proposed in camera function take the photograph concept in recent years, it is desirable that utilize two to three Optical imaging lens combine to realize 3-5 Zoom Lens with chip image Processing Algorithm, and one of telephoto lens needs , the characteristics such as the depth of field small big with enlargement ratio, the phenomenon that be easy to generate image background virtualization, to generate more preferably shooting effect Fruit.
Meanwhile in the case where meeting imaging requirements, the optical length of optical lens the short more to be conducive to electronic product suitable The development trend that should be minimized.
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, for example, taking the photograph remote optical imaging lens.
On the one hand, this application provides such a optical imaging lens, the camera lens along optical axis by object side to image side according to Sequence includes:First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens can With positive light coke, object side can be convex surface;Second lens have positive light coke or negative power, and image side surface can be recessed Face;The third lens have positive light coke or negative power;4th lens have positive light coke or negative power;5th lens have Positive light coke or negative power;6th lens have positive light coke or negative power, and object side can be concave surface, and image side surface can For convex surface;7th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.Wherein, the 4th lens With spacing distance T45, fiveth lens and sixth lens spacing distance T56 and optics on optical axis of the 5th lens on optical axis Total effective focal length f of imaging lens can meet 0.5mm-1< T45/ (T56 × f) < 2mm-1
In one embodiment, spacing distance T45, the 5th lens and of the 4th lens and the 5th lens on optical axis Spacing distance T56, sixth lens and seventh lens spacing distance T67 and sixth lens on optical axis of six lens on optical axis 1.2 < T45/ (T56+CT6+T67) < 2.4 can be met in the center thickness CT6 on optical axis.
In one embodiment, the maximum angle of half field-of view HFOV of optical imaging lens can meet 30 ° of HFOV <.
In one embodiment, the curvature of the object side of the radius of curvature R 4 and the 6th lens of the image side surface of the second lens Radius R11 can meet -3.5 < R4/R11 < -1.
In one embodiment, the object side of the first lens to optical imaging lens distance of the imaging surface on optical axis Total effective focal length f of TTL and optical imaging lens can meet TTL/f≤1.
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f7 of the 7th lens can meet -1 < F1/f7 < 0.
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 Sufficient f/ | f5 | < 0.8.
In one embodiment, the intersection point of the 5th lens object side and optical axis to the 5th lens object side effective radius Distance SAG51 and the 5th lens can meet -2 < SAG51/CT5 <-in the center thickness CT5 on optical axis on axis between vertex 0.5。
In one embodiment, the radius of curvature R 11, the curvature of the image side surface of the 6th lens of the object side of the 6th lens The radius of curvature R 14 of the image side surface of the radius of curvature R 13 and the 7th lens of the object side of radius R12, the 7th lens can meet 0.5 ≤(R11+R12)/(R13+R14)≤1.5。
In one embodiment, the object side of maximum the effective radius DT31 and the 7th lens of the object side of the third lens Maximum effective radius DT71 can meet 2.5 < DT71/DT31 < 3.1.
In one embodiment, total effective focal length f, the effective focal length f2 of the second lens, third of optical imaging lens The effective focal length f3 of the lens and effective focal length f4 of the 4th lens can meet 0.4≤| f/f2+f/f3+f/f4 |≤2.2.
In one embodiment, the combined focal length f12 of the first lens and the second lens and the third lens and the 4th lens Combined focal length f34 can meet -1.5 < f12/f34 < 0.
In one embodiment, the first lens, the second lens, the third lens and the 4th lens combined focal length f1234 With the combined focal length f567 of the 5th lens, the 6th lens and the 7th lens can meet 1≤| f1234/f567 | < 1.8.
On the other hand, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by object side to picture Side sequentially includes:First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first thoroughly Mirror can have positive light coke, and object side can be convex surface;Second lens have positive light coke or negative power, and image side surface can be Concave surface;The third lens have positive light coke or negative power;4th lens have positive light coke or negative power;5th lens tool There are positive light coke or negative power;6th lens have positive light coke or negative power, and object side can be concave surface, image side surface It can be convex surface;7th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.Wherein, optics at As total effective focal length f of camera lens, the effective focal length f2 of the second lens, the third lens effective focal length f3 and the 4th lens it is effective Focal length f4 can meet 0.4≤| f/f2+f/f3+f/f4 |≤2.2.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side Sequentially include:First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens There can be positive light coke, object side can be convex surface;Second lens have positive light coke or negative power, and image side surface can be recessed Face;The third lens have positive light coke or negative power;4th lens have positive light coke or negative power;5th lens have Positive light coke or negative power;6th lens have positive light coke or negative power, and object side can be concave surface, and image side surface can For convex surface;7th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.Wherein, optical imagery Total effective focal length f of camera lens and the effective focal length f5 of the 5th lens can meet f/ | f5 | < 0.8.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side Sequentially include:First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens There can be positive light coke, object side can be convex surface;Second lens have positive light coke or negative power, and image side surface can be recessed Face;The third lens have positive light coke or negative power;4th lens have positive light coke or negative power;5th lens have Positive light coke or negative power;6th lens have positive light coke or negative power, and object side can be concave surface, and image side surface can For convex surface;7th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.Wherein, the 5th lens Distance SAG51 and the 5th lens on the intersection point of object side and optical axis to the axis between the effective radius vertex of the 5th lens object side - 2 < SAG51/CT5 < -0.5 can be met in the center thickness CT5 on optical axis.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side Sequentially include:First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens There can be positive light coke, object side can be convex surface;Second lens have positive light coke or negative power, and image side surface can be recessed Face;The third lens have positive light coke or negative power;4th lens have positive light coke or negative power;5th lens have Positive light coke or negative power;6th lens have positive light coke or negative power, and object side can be concave surface, and image side surface can For convex surface;7th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.Wherein, the 6th lens The radius of curvature R 11 of object side, the radius of curvature R 12 of image side surface of the 6th lens, the 7th lens object side curvature half The radius of curvature R 14 of the image side surface of diameter R13 and the 7th lens can meet 0.5≤(R11+R12)/(R13+R14)≤1.5.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side Sequentially include:First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens There can be positive light coke, object side can be convex surface;Second lens have positive light coke or negative power, and image side surface can be recessed Face;The third lens have positive light coke or negative power;4th lens have positive light coke or negative power;5th lens have Positive light coke or negative power;6th lens have positive light coke or negative power, and object side can be concave surface, and image side surface can For convex surface;7th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.Wherein, the third lens The maximum effective radius DT31 of object side and the maximum effective radius DT71 of object side of the 7th lens can meet 2.5 < DT71/DT31 < 3.1.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side Sequentially include:First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, the first lens There can be positive light coke, object side can be convex surface;Second lens have positive light coke or negative power, and image side surface can be recessed Face;The third lens have positive light coke or negative power;4th lens have positive light coke or negative power;5th lens have Positive light coke or negative power;6th lens have positive light coke or negative power, and object side can be concave surface, and image side surface can For convex surface;7th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.Wherein, the first lens Effective focal length f1 and the effective focal length f7 of the 7th lens can meet -1 < f1/f7 < 0.
The application use seven 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 imaging lens have long-focus, superior image 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;
Figure 15 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 8;
Figure 16 A to Figure 16 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 8, astigmatism curve, abnormal Varied curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position When setting, then it represents that the lens surface is convex surface near axis area is less than;If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as the object of the lens close to the surface of object side Side, each lens are known as the image side surface of the lens close to the surface of image side.
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 seven lens with focal power, That is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens Along optical axis by object side to image side sequential, can have airspace between each adjacent lens.
In the exemplary embodiment, the first lens can have positive light coke, and object side can be convex surface;Second lens tool There are positive light coke or negative power, image side surface can be concave surface;The third lens have positive light coke or negative power;4th lens With positive light coke or negative power;5th lens have positive light coke or negative power;6th lens have positive light coke or Negative power, object side can be concave surface, and image side surface can be convex surface;7th lens can have negative power, and object side can For concave surface, image side surface can be convex surface.
In the exemplary embodiment, the optical imaging lens of the application can meet 30 ° of conditional HFOV <, wherein HFOV is the maximum angle of half field-of view of optical imaging lens.More specifically, HFOV can further meet 25 ° of 28 ° of < HFOV <, such as 26.0°≤HFOV≤27.0°.The full filed angle of control system is less than 60 °, so that optical imaging lens are in sensor image planes size There is longer focal length under the conditions of specific.The increase of focal length can get biggish enlargement ratio and the lesser depth of field.
In the exemplary embodiment, the optical imaging lens of the application can meet 1.2 < T45/ (T56+CT6+ of conditional T67) 2.4 <, wherein T45 is the spacing distance of the 4th lens and the 5th lens on optical axis, and T56 is the 5th lens and the 6th Spacing distance of the lens on optical axis, T67 are the spacing distance of the 6th lens and the 7th lens on optical axis, and CT6 is the 6th saturating Mirror is in the center thickness on optical axis.More specifically, T45, T56, CT6 and T67 can further meet 1.30≤T45/ (T56+CT6+ T67)≤2.10.Airspace on axis by rationally controlling each lens, so that the interval between the 4th lens and the 5th lens Apart from larger, and the 5th lens are smaller to the spacing distance between the 7th lens, so that being incident on the light of the 5th lens Incidence angle is smaller and the optics total length of certifiable camera lens entirety is in zone of reasonableness.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional 0.5mm-1< T45/ (T56 × F) < 2mm-1, wherein T45 is the spacing distance of the 4th lens and the 5th lens on optical axis, and T56 is that the 5th lens and the 6th are saturating Spacing distance of the mirror on optical axis, f are total effective focal length of optical imaging lens.More specifically, T45, T56 and f further may be used Meet 0.58mm-1≤T45/(T56×f)≤1.86mm-1.Guaranteeing that lens focus is longer simultaneously, the 4th lens of control to the The spacing distance of five lens and the 5th lens to the 6th lens on optical axis, can effectively correct the axial chromatic aberration of camera lens.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional 1≤| f1234/f567 | < 1.8, wherein f1234 be the first lens, the second lens, the third lens and the 4th lens combined focal length, f567 be the 5th thoroughly The combined focal length of mirror, the 6th lens and the 7th lens.More specifically, f1234 and f567 can further meet 1.09≤| f1234/ f567|≤1.67.Reasonable distribution is carried out to preceding four lens of optical imaging lens and rear three pieces power of lens, so that preceding Four lens play converging action to light on the whole, and rear three pieces lens play disperse function to light on the whole, and then effectively Correct the spherical aberration and the outer coma of axis of optical system in ground.
In the exemplary embodiment, the optical imaging lens of the application can meet -3.5 < -1 < R4/R11 of conditional, Wherein, R4 is the radius of curvature of the image side surface of the second lens, and R11 is the radius of curvature of the object side of the 6th lens.More specifically, R4 and R11 can further meet -3.34≤R4/R11≤- 1.40.Rationally the second lens image side surface of control and the 6th lens object side The radius of curvature in face may make the ghost image position reflected and generated by the two mirror surface evens to be moved to outside imaging significant surface, And then reduce the risk for generating ghost image.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional TTL/f≤1, wherein TTL For the first lens object side to distance of the imaging surface on optical axis of optical imaging lens, f is always having for optical imaging lens Imitate focal length.More specifically, TTL/f can further meet 0.7≤TTL/f≤1, such as 0.85≤TTL/f≤0.94.Control first Lens object side is less than total effective focal length of optical imaging lens to distance of the imaging surface on optical axis, on the one hand can guarantee camera lens On the other hand miniaturized structure 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 optical imaging lens of the application can meet -1 < f1/f7 < 0 of conditional, wherein F1 is the effective focal length of the first lens, and f7 is the effective focal length of the 7th lens.More specifically, f1 and f7 can further meet- 0.70≤f1/f7≤-0.33.First lens undertake positive light coke, the astigmatism of rectifiable meridian direction, and the 7th lens undertake it is negative Focal power can correct while dissipating light and hereby cut down the curvature of field.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional f/ | f5 | < 0.8, wherein f For total effective focal length of optical imaging lens, f5 is the effective focal length of the 5th lens.More specifically, f and f5 can further meet 0 ≤ f/ | f5 |≤0.7, for example (,) 0.20≤f/ | f5 |≤0.65.Meet conditional f/ | f5 | < 0.8 can reduce the first lens object Deflection of light amount bring aberration effects are controlled on side to the axis of imaging surface in the case where distance, while may make light the Incidence angle on the object side of five lens minimizes.
In the exemplary embodiment, the optical imaging lens of the application can meet -2 < SAG51/CT5 < of conditional - 0.5, wherein SAG51 is the intersection point of the 5th lens object side and optical axis between the effective radius vertex of the 5th lens object side Axis on distance, CT5 be the 5th lens in the center thickness on optical axis.More specifically, SAG51 and CT5 can further meet- 1.88≤SAG51/CT5≤-0.77.Control the size of SAG51 and CT5, it is ensured that the moulding process of eyeglass, and mirror can be balanced Distortion in head.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional 0.5≤(R11+R12)/ (R13+R14)≤1.5, wherein R11 is the radius of curvature of the object side of the 6th lens, and R12 is the song of the image side surface of the 6th lens Rate radius, R13 are the radius of curvature of the object side of the 7th lens, and R14 is the radius of curvature of the image side surface of the 7th lens.More specifically Ground, R11, R12, R13 and R14 can further meet 0.52≤(R11+R12)/(R13+R14)≤1.49.Control the 6th lens and The shape of 7th lens both to bend towards diaphragm, can the picture for hereby cutting down the curvature of field and sagitta of arc direction that generates of active balance camera lens It dissipates.
In the exemplary embodiment, the optical imaging lens of the application can meet 2.5 < DT71/DT31 < of conditional 3.1, wherein DT31 is the maximum effective radius of the object side of the third lens, and DT71 is that the maximum of the object side of the 7th lens has Imitate radius.More specifically, DT71 and DT31 can further meet 2.70≤DT71/DT31≤3.03.Constrain the object of the third lens On the one hand the maximum effective radius of the object side of the maximum effective radius and the 7th lens of side can internally field rays be blocked Light reduces coma outside axis by reducing bore;On the other hand externally field rays light can be blocked suitably to guarantee that relative illumination exists In zone of reasonableness.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional 0.4≤| f/f2+f/f3+f/ F4 |≤2.2, wherein f is total effective focal length of optical imaging lens, and f2 is the effective focal length of the second lens, and f3 is the third lens Effective focal length, f4 be the 4th lens effective focal length.More specifically, f, f2, f3 and f4 can further meet 0.42≤| f/f2 +f/f3+f/f4|≤2.17.It is reasonable to carry out to the second lens, the third lens and the 4th power of lens in optical imaging lens Distribution can balance three rank astigmatisms of three ranks distortion and meridian direction while spherical aberration on correction system axis.
In the exemplary embodiment, the optical imaging lens of the application can meet -1.5 < f12/f34 < 0 of conditional, Wherein, f12 is the combined focal length of the first lens and the second lens, and f34 is the combined focal length of the third lens and the 4th lens.More Body, f12 and f34 can further meet -1.25≤f12/f34≤- 0.10.First, second lens integrally undertake positive light coke, The light beam of object space incidence can be assembled, third, the 4th lens integrally undertake negative power, can carry out to the light beam after convergence Diverging, to correct high-order spherical aberration and the outer coma of axis.
In the exemplary embodiment, above-mentioned optical imaging lens may also include at least one diaphragm, to promote camera lens Image quality.Diaphragm may be provided between the first lens and the third lens.For example, diaphragm may be provided at the first lens and second thoroughly Between mirror or 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 seven 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 imaging lens through the above configuration can also have There are the beneficial effects such as long-focus, superior image quality.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror.Non-spherical lens The characteristics of be:From lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture The advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve Image quality.
However, it will be understood by those of skill in the art that without departing from this application claims technical 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 seven lens as an example in embodiments, which is not limited to include seven 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 includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have 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.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 1 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 7th lens E7 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-S144、A6、A8、A10、A12、A14、A16、A18And A20
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 1.0059E-02 -7.5307E-02 2.4133E-01 -4.6819E-01 5.6822E-01 -4.3373E-01 2.0239E-01 -5.2754E-02 5.8909E-03
S2 -8.1598E-03 8.0097E-03 -6.0897E-02 3.0396E-01 -5.9348E-01 6.1795E-01 -3.6632E-01 1.1708E-01 -1.5689E-02
S3 -1.1055E-02 -7.9603E-02 1.7335E-01 1.6010E-02 -4.7734E-01 7.4844E-01 -5.6314E-01 2.1852E-01 -3.5261E-02
S4 2.4664E-02 -9.3758E-02 -8.2823E-02 1.5850E+00 -5.4982E+00 1.0247E+01 -1.1102E+01 6.5816E+00 -1.6505E+00
S5 1.7063E-01 -1.3424E+00 8.5594E+00 -3.6421E+01 1.0043E+02 -1.7620E+02 1.8997E+02 -1.1464E+02 2.9606E+01
S6 2.1097E-02 -5.2367E-01 1.9480E+00 -5.1908E+00 1.1218E+01 -1.7740E+01 1.9271E+01 -1.2367E+01 3.4022E+00
S7 -3.3486E-02 -5.4297E-01 2.7253E+00 -9.6170E+00 2.2547E+01 -3.3540E+01 3.0923E+01 -1.6140E+01 3.6157E+00
S8 5.3362E-03 7.0184E-02 -7.1526E-01 2.5876E+00 -5.2340E+00 6.5965E+00 -4.9651E+00 1.9853E+00 -3.1967E-01
S9 2.8157E-02 -1.8549E-01 2.1901E-01 -1.2823E-01 9.7978E-03 3.0300E-02 -1.7275E-02 3.9744E-03 -3.4594E-04
S10 9.5101E-02 -2.1058E-01 1.4124E-01 -2.5469E-02 -1.7068E-02 8.7125E-03 -5.3325E-04 -3.6649E-04 5.7942E-05
S11 4.8035E-02 -3.7596E-02 3.0325E-02 -1.5326E-02 5.3798E-03 -1.2056E-03 1.5767E-04 -1.0560E-05 2.5928E-07
S12 -4.1125E-02 8.1241E-02 -5.4947E-02 1.8063E-02 -2.4825E-03 -1.6169E-04 1.0033E-04 -1.2252E-05 5.0756E-07
S13 1.0582E-01 -2.2049E-01 1.9999E-01 -1.0539E-01 3.4631E-02 -7.1617E-03 9.0339E-04 -6.3359E-05 1.8903E-06
S14 -5.3071E-02 1.0116E-02 9.3763E-03 -9.3903E-03 3.8409E-03 -8.6555E-04 1.1257E-04 -7.9257E-06 2.3325E-07
Table 2
Table 3 provides total effective focal length f, the optics of the effective focal length f1 to f7 of each lens in embodiment 1, optical imaging lens Total length TTL (that is, distance from the object side S1 of the first lens E1 to imaging surface S17 on optical axis), optical imaging lens The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on imaging surface S17.
f1(mm) 2.99 f7(mm) -5.93
f2(mm) -6.66 f(mm) 6.50
f3(mm) -6.53 TTL(mm) 5.58
f4(mm) 9.16 ImgH(mm) 3.11
f5(mm) 17.14 HFOV(°) 27.0
f6(mm) -7.61
Table 3
Optical imaging lens in embodiment 1 meet:
HFOV=27.0 °, wherein HFOV is the maximum angle of half field-of view of optical imaging lens;
T45/ (T56+CT6+T67)=2.10, wherein T45 be the 4th lens E4 and the 5th lens E5 on optical axis between Gauge is from T56 is spacing distance of the 5th lens E5 and the 6th lens E6 on optical axis, and T67 is the 6th lens E6 and the 7th saturating Spacing distance of the mirror E7 on optical axis, CT6 are the 6th lens E6 in the center thickness on optical axis;
T45/ (T56 × f)=1.86mm-1, wherein T45 is interval of the 4th lens E4 and the 5th lens E5 on optical axis Distance, T56 are spacing distance of the 5th lens E5 and the 6th lens E6 on optical axis, and f is total effective coke of optical imaging lens Away from;
| f1234/f567 |=1.33, wherein f1234 is the first lens E1, the second lens E2, the third lens E3 and the 4th The combined focal length of lens E4, f567 are the combined focal length of the 5th lens E5, the 6th lens E6 and the 7th lens E7;
R4/R11=-2.29, wherein R4 is the radius of curvature of the image side surface S4 of the second lens E2, and R11 is the 6th lens E6 Object side S11 radius of curvature;
TTL/f=0.86, wherein TTL is distance of the object side S1 of the first lens E1 to imaging surface S17 on optical axis, f For total effective focal length of optical imaging lens;
F1/f7=-0.50, wherein f1 is the effective focal length of the first lens E1, and f7 is the effective focal length of the 7th lens E7;
F/ | f5 |=0.38, wherein f is total effective focal length of optical imaging lens, and f5 is effective coke of the 5th lens E5 Away from;
SAG51/CT5=-1.54, wherein SAG51 is the intersection point of the 5th lens E5 object side S9 and optical axis to the 5th lens Distance on axis between the effective radius vertex of E5 object side S9, CT5 are the 5th lens E5 in the center thickness on optical axis;
(R11+R12)/(R13+R14)=0.62, wherein R11 is the radius of curvature of the object side S11 of the 6th lens E6, R12 is the radius of curvature of the image side surface S12 of the 6th lens E6, and R13 is the radius of curvature of the object side S13 of the 7th lens E7, R14 For the radius of curvature of the image side surface S14 of the 7th lens E7;
DT71/DT31=2.94, wherein DT31 is the maximum effective radius of the object side S5 of the third lens E3, and DT71 is The maximum effective radius of the object side S13 of 7th lens E7;
| f/f2+f/f3+f/f4 |=1.26, wherein f is total effective focal length of optical imaging lens, and f2 is the second lens The effective focal length of E2, f3 are the effective focal length of the third lens E3, and f4 is the effective focal length of the 4th lens E4;
F12/f34=-0.19, wherein f12 is the combined focal length of the first lens E1 and the second lens E2, and f34 is that third is saturating The combined focal length of mirror E3 and the 4th lens E4.
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 includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have 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.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 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 7th lens E7 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 provides total effective focal length f, the optics of the effective focal length f1 to f7 of each lens in embodiment 2, optical imaging lens The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) 3.02 f7(mm) -5.79
f2(mm) -6.93 f(mm) 6.50
f3(mm) -10.30 TTL(mm) 5.58
f4(mm) 19.04 ImgH(mm) 3.11
f5(mm) 16.63 HFOV(°) 27.0
f6(mm) -7.23
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 includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 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 7th lens E7 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.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -4.5906E-03 -1.2720E-02 6.5212E-02 -1.5221E-01 2.0787E-01 -1.7381E-01 8.7978E-02 -2.4627E-02 2.9287E-03
S2 -9.0484E-02 -3.4359E-02 1.3787E+00 -4.5297E+00 7.3528E+00 -6.7359E+00 3.5098E+00 -9.6315E-01 1.0680E-01
S3 -2.9630E-02 -3.3744E-01 2.7773E+00 -8.8280E+00 1.5185E+01 -1.5308E+01 9.0472E+00 -2.9062E+00 3.9208E-01
S4 -8.3540E-02 6.3759E-01 -2.4061E+00 7.2951E+00 -1.7894E+01 3.0427E+01 -3.1944E+01 1.8459E+01 -4.4820E+00
S5 5.7818E-02 -3.1074E-01 3.6221E+00 -1.9598E+01 5.9347E+01 -1.0831E+02 1.1871E+02 -7.1812E+01 1.8417E+01
S6 -8.2594E-02 3.4075E-01 -1.0821E+00 -5.6381E-01 1.2692E+01 -3.7715E+01 5.5748E+01 -4.2118E+01 1.2935E+01
S7 -8.2378E-02 -1.6853E-01 1.3909E+00 -7.4355E+00 2.2885E+01 -4.1561E+01 4.5424E+01 -2.7735E+01 7.2223E+00
S8 -3.8033E-02 1.5934E-01 -7.2570E-01 2.5427E+00 -5.5125E+00 7.9968E+00 -7.3244E+00 3.6901E+00 -7.7220E-01
S9 -5.8187E-03 -1.3829E-01 1.6470E-01 -7.8639E-02 -3.1641E-02 4.7672E-02 -1.7958E-02 2.6407E-03 -1.0272E-04
S10 9.6440E-02 -2.6862E-01 3.1670E-01 -2.7279E-01 1.8280E-01 -8.9711E-02 2.8467E-02 -5.0338E-03 3.7177E-04
S11 9.2704E-02 -1.5560E-01 1.8399E-01 -1.3872E-01 6.6178E-02 -1.9374E-02 3.3725E-03 -3.2100E-04 1.2884E-05
S12 -6.3141E-02 7.4482E-02 -4.2542E-02 1.0920E-02 -2.6630E-04 -5.6059E-04 1.4178E-04 -1.4622E-05 5.7090E-07
S13 9.2970E-02 -1.5610E-01 1.1926E-01 -5.3847E-02 1.5062E-02 -2.6029E-03 2.6665E-04 -1.4523E-05 3.1125E-07
S14 -5.7844E-02 1.3788E-02 6.7876E-03 -6.9178E-03 2.5183E-03 -4.7745E-04 4.9222E-05 -2.5366E-06 4.7090E-08
Table 8
Table 9 provides total effective focal length f, the optics of the effective focal length f1 to f7 of each lens in embodiment 3, optical imaging lens The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) 6.85 f7(mm) -20.81
f2(mm) 11.42 f(mm) 6.15
f3(mm) -13.01 TTL(mm) 5.59
f4(mm) 17.42 ImgH(mm) 2.97
f5(mm) 9.54 HFOV(°) 27.0
f6(mm) -3.33
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 Corresponding 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 includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 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 7th lens E7 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 -1.4983E-03 -1.4110E-02 5.1117E-02 -1.0639E-01 1.3838E-01 -1.1269E-01 5.6258E-02 -1.5731E-02 1.9008E-03
S2 -3.1509E-02 1.2982E-01 -2.2547E-01 2.8641E-01 -2.8097E-01 2.2311E-01 -1.3332E-01 4.9625E-02 -8.1701E-03
S3 -5.3991E-02 1.6644E-01 -1.9359E-01 -1.0421E-01 6.7048E-01 -9.7422E-01 7.1354E-01 -2.6850E-01 4.1124E-02
S4 -2.7403E-02 8.8492E-02 -1.2797E-01 2.5356E-01 -1.3113E+00 3.9908E+00 -6.0696E+00 4.5885E+00 -1.3810E+00
S5 1.7042E-02 -8.3138E-02 9.7428E-01 -4.8111E+00 1.4265E+01 -2.5841E+01 2.8253E+01 -1.7024E+01 4.3288E+00
S6 -5.3373E-02 1.8868E-01 -1.1050E+00 4.4329E+00 -1.0539E+01 1.5645E+01 -1.3945E+01 6.8919E+00 -1.4580E+00
S7 -1.2472E-01 -1.0172E-01 1.0981E+00 -4.4187E+00 1.1674E+01 -1.9192E+01 1.8907E+01 -1.0222E+01 2.3209E+00
S8 -7.3053E-02 6.5453E-02 7.5908E-03 -7.6131E-02 6.6669E-01 -1.6643E+00 1.9308E+00 -1.1123E+00 2.5598E-01
S9 -1.4746E-02 -1.7648E-01 3.4056E-01 -4.4204E-01 3.6917E-01 -2.0702E-01 7.6068E-02 -1.6517E-02 1.6155E-03
S10 4.7686E-02 -2.3218E-01 2.7076E-01 -1.7870E-01 6.7546E-02 -1.3364E-02 8.1046E-04 1.3244E-04 -1.7630E-05
S11 5.1259E-02 -9.8606E-02 1.6682E-01 -1.4083E-01 6.8041E-02 -1.9601E-02 3.3204E-03 -3.0452E-04 1.1626E-05
S12 -3.7381E-02 9.6192E-02 -8.6974E-02 4.7886E-02 -1.7448E-02 4.1328E-03 -6.0627E-04 4.9781E-05 -1.7442E-06
S13 9.2697E-02 -1.6286E-01 1.2346E-01 -5.5279E-02 1.5764E-02 -2.8888E-03 3.2886E-04 -2.1083E-05 5.7785E-07
S14 -5.1594E-02 -1.8203E-02 4.6913E-02 -3.0868E-02 1.0760E-02 -2.2007E-03 2.6459E-04 -1.7306E-05 4.7435E-07
Table 11
Table 12 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 4, optical imaging lens Learn the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) 3.56 f7(mm) -8.92
f2(mm) -7.11 f(mm) 6.20
f3(mm) 27.40 TTL(mm) 5.80
f4(mm) -82.40 ImgH(mm) 3.03
f5(mm) 12.37 HFOV(°) 27.0
f6(mm) -4.93
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 includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has 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.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 13 shows 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 7th lens E7 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 -3.1520E-04 -1.4136E-02 4.7306E-02 -9.3044E-02 1.1661E-01 -9.2291E-02 4.5103E-02 -1.2483E-02 1.5195E-03
S2 -7.1879E-02 2.6151E-01 -4.9184E-01 7.2887E-01 -8.5433E-01 7.2356E-01 -3.9818E-01 1.2618E-01 -1.7530E-02
S3 -1.1722E-01 4.2403E-01 -8.9097E-01 1.4458E+00 -1.9212E+00 1.9086E+00 -1.2487E+00 4.6918E-01 -7.6591E-02
S4 -4.5940E-02 2.6736E-01 -6.8263E-01 1.5079E+00 -2.8561E+00 3.9741E+00 -3.4688E+00 1.6791E+00 -3.4296E-01
S5 2.2518E-02 -1.1800E-01 1.4310E+00 -6.9844E+00 2.0147E+01 -3.5865E+01 3.8951E+01 -2.3530E+01 6.0348E+00
S6 -4.9390E-02 8.0716E-02 -1.9868E-01 5.3098E-01 -1.1168E+00 1.8896E+00 -2.0853E+00 1.6183E+00 -6.3608E-01
S7 -1.0669E-01 -8.2242E-02 5.5078E-01 -1.6967E+00 2.9384E+00 -2.2350E+00 -4.2583E-01 1.8915E+00 -9.1258E-01
S8 -5.4553E-02 3.0246E-02 -2.1044E-02 1.2974E-01 -2.3758E-01 2.4898E-01 -1.2201E-01 9.5391E-03 6.2816E-03
S9 -1.5495E-02 -1.5925E-01 2.7456E-01 -3.1613E-01 2.3192E-01 -1.0915E-01 3.1634E-02 -5.0500E-03 3.3702E-04
S10 2.3545E-02 -1.8740E-01 2.3489E-01 -1.8568E-01 9.7246E-02 -3.3641E-02 7.2767E-03 -8.7525E-04 4.4182E-05
S11 2.0271E-02 8.1043E-03 -2.8380E-04 2.5566E-03 -3.8588E-03 1.9774E-03 -4.8459E-04 5.8387E-05 -2.7930E-06
S12 -4.6854E-03 3.9058E-02 -3.2841E-02 1.5398E-02 -4.9932E-03 1.1296E-03 -1.6751E-04 1.4346E-05 -5.2898E-07
S13 1.0582E-01 -2.0430E-01 1.7369E-01 -8.7390E-02 2.7643E-02 -5.5172E-03 6.7191E-04 -4.5445E-05 1.3045E-06
S14 -6.5250E-02 1.6088E-02 1.0346E-02 -9.9953E-03 3.7089E-03 -7.4413E-04 8.3981E-05 -4.9491E-06 1.1539E-07
Table 14
Table 15 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 5, optical imaging lens Learn the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) 3.38 f7(mm) -9.85
f2(mm) -8.56 f(mm) 6.20
f3(mm) -24.78 TTL(mm) 5.80
f4(mm) 78.70 ImgH(mm) 3.05
f5(mm) 12.68 HFOV(°) 27.0
f6(mm) -5.22
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 image height.Figure 10 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicates Light is via the deviation at the different image heights after camera lens on imaging surface.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 includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has 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 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.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 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 7th lens E7 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 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 6, optical imaging lens Learn the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) 3.04 f7(mm) -5.65
f2(mm) -9.09 f(mm) 6.50
f3(mm) -12.54 TTL(mm) 5.55
f4(mm) -82.58 ImgH(mm) 3.04
f5(mm) 11.65 HFOV(°) 26.0
f6(mm) -6.32
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 is via the deviation at the different image heights after camera lens on imaging surface.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 includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has positive light coke, Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 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 7th lens E7 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 3.2026E-03 -2.9406E-02 1.2979E-01 -3.1561E-01 4.6412E-01 -4.2019E-01 2.2845E-01 -6.8277E-02 8.5666E-03
S2 3.7706E-02 -2.2254E-01 6.7974E-01 -1.2303E+00 1.4523E+00 -1.1179E+00 5.3571E-01 -1.4433E-01 1.6695E-02
S3 -9.1192E-03 -1.7060E-01 6.6522E-01 -1.3212E+00 1.7195E+00 -1.4839E+00 8.0698E-01 -2.4804E-01 3.2712E-02
S4 2.5581E-02 -1.9549E-01 7.4155E-01 -1.9826E+00 3.8346E+00 -4.9595E+00 3.9767E+00 -1.7727E+00 3.3404E-01
S5 1.9107E-01 -6.4530E-01 2.2854E+00 -8.9457E+00 2.5423E+01 -4.6030E+01 5.0365E+01 -3.0432E+01 7.8036E+00
S6 -1.6853E-01 9.3135E-01 -3.2298E+00 5.9827E+00 -1.1151E+01 2.9565E+01 -5.1080E+01 4.3114E+01 -1.4049E+01
S7 -3.7393E-01 1.1229E+00 -2.5129E+00 4.2629E+00 -1.2634E+01 4.0857E+01 -6.9742E+01 5.7056E+01 -1.8145E+01
S8 -3.2234E-02 -6.8358E-03 1.1764E+00 -4.5268E+00 7.2894E+00 -8.4525E-01 -1.2588E+01 1.5747E+01 -6.2050E+00
S9 -2.6388E-01 7.7514E-01 -1.5796E+00 1.8485E+00 -1.3111E+00 5.5076E-01 -1.2678E-01 1.3275E-02 -3.0889E-04
S10 -4.2894E-01 1.1658E+00 -1.8887E+00 1.7702E+00 -1.0340E+00 3.8320E-01 -8.7626E-02 1.1319E-02 -6.3538E-04
S11 -3.0692E-01 7.7356E-01 -1.0420E+00 7.6851E-01 -3.3030E-01 8.4943E-02 -1.2793E-02 1.0318E-03 -3.4080E-05
S12 3.6703E-01 -7.9665E-01 9.4265E-01 -6.6516E-01 2.9526E-01 -8.4391E-02 1.5253E-02 -1.6022E-03 7.5137E-05
S13 7.7285E-02 -2.0361E-01 2.2653E-01 -1.3327E-01 4.4953E-02 -9.0617E-03 1.0858E-03 -7.1656E-05 2.0116E-06
S14 2.9468E-02 -1.1275E-02 -9.1014E-04 6.4720E-04 -5.2728E-05 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
Table 20
Table 21 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 7, optical imaging lens Learn the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) 2.31 f7(mm) -5.53
f2(mm) -4.26 f(mm) 6.50
f3(mm) -3.32 TTL(mm) 5.60
f4(mm) 4.93 ImgH(mm) 3.10
f5(mm) -21.36 HFOV(°) 26.0
f6(mm) 35.45
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 is via the deviation at the different image heights after camera lens on imaging surface.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.
Embodiment 8
The optical imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 shows root According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 8.
As shown in figure 15, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to Sequence includes:First lens E1, the second lens E2, diaphragm STO, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 8 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of any one lens of the first lens E1 into the 7th lens E7 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.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 2.5053E-03 -2.0309E-02 8.7258E-02 -2.1346E-01 3.1624E-01 -2.8839E-01 1.5897E-01 -4.8815E-02 6.4392E-03
S2 3.9477E-02 -2.8993E-01 1.0137E+00 -1.9875E+00 2.4239E+00 -1.8783E+00 8.9668E-01 -2.3879E-01 2.6840E-02
S3 -9.7809E-03 -2.3291E-01 1.1429E+00 -2.6245E+00 3.6096E+00 -3.1272E+00 1.6748E+00 -5.0572E-01 6.5471E-02
S4 1.4446E-02 -1.7423E-01 9.0724E-01 -2.4751E+00 4.0484E+00 -4.1109E+00 2.4937E+00 -7.9382E-01 8.9983E-02
S5 6.6736E-02 3.7150E-02 9.9011E-01 -9.5603E+00 3.7164E+01 -8.2657E+01 1.0931E+02 -7.9933E+01 2.4869E+01
S6 -3.4434E-01 1.7537E+00 -4.2203E+00 2.1006E+00 1.8127E+01 -6.2535E+01 1.0195E+02 -8.7107E+01 3.0826E+01
S7 -3.7209E-01 9.6016E-01 -3.0246E-01 -8.4027E+00 3.5218E+01 -7.4200E+01 9.2602E+01 -6.4908E+01 1.9548E+01
S8 -1.3008E-03 -2.2966E-01 2.7619E+00 -1.4202E+01 4.5296E+01 -9.1084E+01 1.1285E+02 -7.8221E+01 2.3073E+01
S9 -1.9967E-01 5.6915E-01 -1.3509E+00 1.8420E+00 -1.5463E+00 8.0049E-01 -2.4801E-01 4.2388E-02 -3.1013E-03
S10 -3.1005E-01 8.6780E-01 -1.5891E+00 1.6966E+00 -1.1314E+00 4.7754E-01 -1.2383E-01 1.8011E-02 -1.1264E-03
S11 -2.8338E-01 7.4805E-01 -1.0461E+00 8.2492E-01 -3.9365E-01 1.1750E-01 -2.1596E-02 2.2459E-03 -1.0149E-04
S12 2.6083E-01 -4.7986E-01 5.3899E-01 -3.8073E-01 1.6969E-01 -4.7807E-02 8.2830E-03 -8.0667E-04 3.3845E-05
S13 7.9011E-02 -2.1445E-01 2.0667E-01 -1.0463E-01 2.9052E-02 -4.2090E-03 2.2103E-04 1.2786E-05 -1.4666E-06
S14 -3.0049E-02 6.1811E-03 1.0136E-04 -1.8251E-04 1.4744E-05 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
Table 23
Table 24 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 8, optical imaging lens Learn the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) 2.36 f7(mm) -3.38
f2(mm) -4.29 f(mm) 6.50
f3(mm) -3.76 TTL(mm) 5.80
f4(mm) 5.33 ImgH(mm) 3.13
f5(mm) -32.24 HFOV(°) 26.0
f6(mm) 38.02
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imaging lens of embodiment 8, indicates the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imaging lens of embodiment 8, indicates meridian Curvature of the image and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imaging lens of embodiment 8, indicates different Distortion sizes values corresponding to image height.Figure 16 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 8, indicates Light is via the deviation at the different image heights after camera lens on imaging surface.According to Figure 16 A to Figure 16 D it is found that given by embodiment 8 Optical imaging lens can be realized good image quality.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 25 respectively.
Table 25
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above Head.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (14)

1. optical imaging lens sequentially include by object side to image side along optical axis:First lens, the second lens, the third lens, Four lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface;
Second lens have focal power, and image side surface is concave surface;
The third lens have focal power;
4th lens have focal power;
5th lens have focal power;
6th lens have focal power, and object side is concave surface, and image side surface is convex surface;
7th lens have negative power, and object side is concave surface, and image side surface is convex surface;And
Spacing distance T45, the 5th lens and described of 4th lens and the 5th lens on the optical axis Total effective focal length f of spacing distance T56 of six lens on the optical axis and the optical imaging lens meets 0.5mm-1< T45/ (T56 × f) < 2mm-1
2. optical imaging lens according to claim 1, which is characterized in that the 4th lens and the 5th lens exist Spacing distance T56 on the optical axis of spacing distance T45, the 5th lens and the 6th lens on the optical axis, The spacing distance T67 of 6th lens and the 7th lens on the optical axis and the 6th lens are on the optical axis Center thickness CT6 meet 1.2 < T45/ (T56+CT6+T67) < 2.4.
3. optical imaging lens according to claim 1, which is characterized in that the maximum half field-of-view of the optical imaging lens Angle HFOV meets 30 ° of HFOV <.
4. optical imaging lens according to claim 1, which is characterized in that the curvature of the image side surface of second lens half The radius of curvature R 11 of the object side of diameter R4 and the 6th lens meets -3.5 < R4/R11 < -1.
5. optical imaging lens according to claim 1, which is characterized in that the object side of first lens to the light The total effective focal length f for learning distance TTL and the optical imaging lens of the imaging surface of imaging lens on the optical axis meets TTL/f≤1。
6. optical imaging lens according to claim 1, which is characterized in that the effective focal length f1 of first lens and institute The effective focal length f7 for stating the 7th lens meets -1 < f1/f7 < 0.
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 f/ | f5 | < 0.8.
8. optical imaging lens according to claim 1, which is characterized in that the 5th lens object side and the optical axis Intersection point to the axis between the effective radius vertex of the 5th lens object side on distance SAG51 and the 5th lens in institute The center thickness CT5 stated on optical axis meets -2 < SAG51/CT5 < -0.5.
9. optical imaging lens according to claim 1, which is characterized in that the curvature of the object side of the 6th lens half Diameter R11, the radius of curvature R 12 of the image side surface of the 6th lens, the 7th lens object side radius of curvature R 13 and institute The radius of curvature R 14 for stating the image side surface of the 7th lens meets 0.5≤(R11+R12)/(R13+R14)≤1.5.
10. optical imaging lens according to claim 1, which is characterized in that the maximum of the object side of the third lens The maximum effective radius DT71 of the object side of effective radius DT31 and the 7th lens meets 2.5 < DT71/DT31 < 3.1.
11. optical imaging lens according to claim 1, which is characterized in that total effective coke of the optical imaging lens Effective focal length away from f, the effective focal length f2 of second lens, the effective focal length f3 of the third lens and the 4th lens F4 satisfaction 0.4≤| f/f2+f/f3+f/f4 |≤2.2.
12. optical imaging lens according to any one of claim 1 to 11, which is characterized in that first lens and The combined focal length f34 of the combined focal length f12 of second lens and the third lens and the 4th lens meets -1.5 < F12/f34 < 0.
13. optical imaging lens according to any one of claim 1 to 11, which is characterized in that first lens, institute State the combined focal length f1234 and the 5th lens, the 6th lens and the 7th of the second lens, the third lens and the 4th lens The combined focal length f567 satisfaction 1 of lens≤| f1234/f567 | < 1.8.
14. optical imaging lens sequentially include by object side to image side along optical axis:First lens, the second lens, the third lens, 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in that
First lens have positive light coke, and object side is convex surface;
Second lens have focal power, and image side surface is concave surface;
The third lens have focal power;
4th lens have focal power;
5th lens have focal power;
6th lens have focal power, and object side is concave surface, and image side surface is convex surface;
7th lens have negative power, and object side is concave surface, and image side surface is convex surface;And
Total effective focal length f of the optical imaging lens, the effective focal length f2 of second lens, the third lens it is effective The effective focal length f4 of focal length f3 and the 4th lens satisfaction 0.4≤| f/f2+f/f3+f/f4 |≤2.2.
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CN110058381A (en) * 2018-12-26 2019-07-26 广东旭业光电科技股份有限公司 Optical lens and electronic equipment
WO2020007081A1 (en) * 2018-07-02 2020-01-09 浙江舜宇光学有限公司 Optical imaging lens
CN112230388A (en) * 2020-10-31 2021-01-15 诚瑞光学(苏州)有限公司 Image pickup optical lens

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