CN108490588A - Optical imaging lens - Google Patents

Optical imaging lens Download PDF

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Publication number
CN108490588A
CN108490588A CN201810574159.2A CN201810574159A CN108490588A CN 108490588 A CN108490588 A CN 108490588A CN 201810574159 A CN201810574159 A CN 201810574159A CN 108490588 A CN108490588 A CN 108490588A
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China
Prior art keywords
lens
optical imaging
image side
imaging lens
object side
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Granted
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CN201810574159.2A
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Chinese (zh)
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CN108490588B (en
Inventor
高雪
李明
闻人建科
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Priority to CN201810574159.2A priority Critical patent/CN108490588B/en
Publication of CN108490588A publication Critical patent/CN108490588A/en
Priority to PCT/CN2019/076961 priority patent/WO2019233142A1/en
Application granted granted Critical
Publication of CN108490588B publication Critical patent/CN108490588B/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

This application discloses a kind of optical imaging lens, which includes sequentially by object side to image side along optical axis：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.It is convex surface that first lens, which have focal power, object side, and image side surface is concave surface；Second lens have positive light coke；The third lens have negative power；4th lens have focal power；It is concave surface that 5th lens, which have negative power, image side surface,；6th lens have focal power；And first total effective focal length f of distance TTL and optical imaging lens of the imaging surface on optical axis of object side to optical imaging lens of lens meet TTL/f ＜ 1.

Description

Optical imaging lens
Technical field
This application involves a kind of optical imaging lens, more specifically, this application involves a kind of focal length including six-element lens Camera lens.
Background technology
With the fast development of the portable electronic products such as such as smart mobile phone and tablet computer, consumer is for product end The requirement of pick-up lens is increasingly diversified.In addition to requiring pick-up lens to have miniaturization, high pixel, high-resolution and height relatively bright The characteristics such as degree, also propose requirement to the focal length of pick-up lens, resolving power and miniaturization etc..
Currently, obtaining enlargement ratio and the second best in quality picture in the case of auto-focusing to realize, having risen combination makes Camera lens is taken the photograph with by telephoto lens and the double of wide-angle lens.It is taken the photograph in the application of camera lens double, in order to preferably reach zoom mesh And obtain superior in quality picture, to telephoto lens therein equal with long-focus, high resolution, high imaging quality etc. Propose corresponding requirement.
Invention content
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 above-mentioned at least one disadvantage, for example, telephoto lens.
On the one hand, this application provides such a optical imaging lens, which includes sequentially by object side to image side：The One lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, object Side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative power；The Four lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have focal power. Wherein, the object side of the first lens to optical imaging lens distance TTL and optical imaging lens of the imaging surface on optical axis Total effective focal length f can meet TTL/f ＜ 1.
In one embodiment, the effective focal length f2 of the total effective focal length f and the second lens of optical imaging lens can expire 2 ＜ f/f2 ＜ 3 of foot.
In one embodiment, the effective focal length f1 of the total effective focal length f and the first lens of optical imaging lens can expire Foot | f/f1 | ＜ 0.2.
In one embodiment, the object side of the first lens and image side surface can be spherical surface.
In one embodiment, the curvature of the image side surface of the radius of curvature R 1 and the first lens of the object side of the first lens Radius R2 can meet 0.5 ＜ R1/R2 ＜ 1.5.
In one embodiment, the curvature of the object side of total effective focal length f and the second lens of optical imaging lens half Diameter R3 can meet 4 ＜ f/R3 ＜ 5.
In one embodiment, the combination of total the effective focal length f and the first lens and the second lens of optical imaging lens Focal length f12 can meet 2 ＜ f/f12 ＜ 3.
In one embodiment, the radius of curvature R 6 of the image side surface of the effective focal length f3 and the third lens of the third lens can Meet -2.5≤f3/R6≤- 1.5.
In one embodiment, the radius of curvature R 10 of the image side surface of the effective focal length f5 and the 5th lens of the 5th lens - 2 ＜ f5/R10 ＜ -1 can be met.
In one embodiment, the 5th lens and the 6th combined focal length f56 of lens and always having for optical imaging lens Effect focal length f can meet -2 ＜ f56/f ＜ -1.
In one embodiment, spacing distance T45 on optical axis of the 4th lens and the 5th lens and the 6th lens in Center thickness CT6 on optical axis can meet 1 ＜ T45/CT6 ＜ 2.
In one embodiment, the second lens on optical axis center thickness CT2 and the 4th lens on optical axis Heart thickness CT4 can meet 2 ＜ CT2/CT4 ＜ 3.
In one embodiment, the first lens exist in the center thickness CT1 on optical axis with the first lens and the second lens Spacing distance T12 on optical axis can meet 2.3 ＜ CT1/T12 ＜ 3.8.
In one embodiment, on the imaging surface of optical imaging lens effective pixel area diagonal line length half ImgH It can meet ImgH/f ＜ 0.5 with total effective focal length f of optical imaging lens.
On the other hand, this application provides such a optical imaging lens, which includes sequentially by object side to image side： First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, Object side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative power； 4th lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have light focus Degree.Wherein, the half ImgH of effective pixel area diagonal line length and optical imaging lens on the imaging surface of optical imaging lens Total effective focal length f can meet ImgH/f ＜ 0.5.
Another aspect, present invention also provides such a optical imaging lens, which is sequentially wrapped by object side to image side It includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, Its object side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative light focus Degree；4th lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have light Focal power.Wherein, total effective focal length f of optical imaging lens and the effective focal length f2 of the second lens can meet 2 ＜ f/f2 ＜ 3.
Another aspect, present invention also provides such a optical imaging lens, which is sequentially wrapped by object side to image side It includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, Its object side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative light focus Degree；4th lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have light Focal power.Wherein, the radius of curvature R 6 of the image side surface of the effective focal length f3 and the third lens of the third lens can meet -2.5≤f3/R6 ≤-1.5。
Another aspect, present invention also provides such a optical imaging lens, which is sequentially wrapped by object side to image side It includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, Its object side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative light focus Degree；4th lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have light Focal power.Wherein, the radius of curvature R 3 of the object side of total effective focal length f and the second lens of optical imaging lens can meet 4 ＜ f/ R3 ＜ 5.
Another aspect, present invention also provides such a optical imaging lens, which is sequentially wrapped by object side to image side It includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, Its object side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative light focus Degree；4th lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have light Focal power.Wherein, the total effective focal length f and the combined focal length f12 of the first lens and the second lens of optical imaging lens can meet 2 ＜ F/f12 ＜ 3.
Another aspect, present invention also provides such a optical imaging lens, which is sequentially wrapped by object side to image side It includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, Its object side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative light focus Degree；4th lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have light Focal power.Wherein, the spacing distance T45 and the 6th lens of the 4th lens and the 5th lens on optical axis are in the center thickness on optical axis CT6 can meet 1 ＜ T45/CT6 ＜ 2.
Another aspect, present invention also provides such a optical imaging lens, which is sequentially wrapped by object side to image side It includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have focal power, Its object side can be convex surface, and image side surface can be concave surface；Second lens can have positive light coke；The third lens can have negative light focus Degree；4th lens have focal power；5th lens can have negative power, and image side surface can be concave surface；6th lens have light Focal power.Wherein, the second lens on optical axis center thickness CT2 and the 4th lens can meet 2 in the center thickness CT4 on optical axis ＜ CT2/CT4 ＜ 3.
The application uses multi-disc (for example, six) lens, by each power of lens of reasonable distribution, face type, each Spacing etc. on axis between the center thickness of mirror and each lens so that above-mentioned optical imaging lens have miniaturization, long-focus, At least one advantageous effect such as high image quality.
Description of the drawings
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 illustrate 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 illustrate 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 illustrate 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 illustrate 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 illustrate 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 illustrate 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 illustrate chromatic curve on the axis of the optical imaging lens of embodiment 8, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imaging lens of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 9, astigmatism curve, abnormal Varied curve and ratio chromatism, curve.
Specific implementation mode
Refer to the attached drawing is made more detailed description by the application in order to better understand to the various aspects of the application.It answers Understand, the description of the only illustrative embodiments to 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.It includes associated institute to state "and/or" 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, and does not indicate that 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 convenience 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 being used in bright book, but does not preclude the presence or addition of one or more Other feature, component, assembly unit and/or combination thereof.In addition, ought the statement of such as at least one of " ... " appear in institute When after the list of row 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 the meaning consistent with their meanings 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.
It may include such as six lens with focal power according to the optical imaging lens of the application illustrative embodiments, That is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six-element lens is along optical axis By object side to image side sequential.
In the exemplary embodiment, it can be convex surface that the first lens, which have positive light coke or negative power, object side, as Side can be concave surface；Second lens can have positive light coke；The third lens can have negative power；4th lens have positive light focus Degree or negative power；5th lens can have negative power, and image side surface can be concave surface；6th lens have positive light coke or negative Focal power.
In the exemplary embodiment, the object side of the first lens and image side surface can be spherical surface.By the object of the first lens Side and image side surface are arranged as spherical surface, can effectively balance optical system image quality, and advantageously ensure that the good of optical system Good machinability.
In the exemplary embodiment, the object side of the second lens can be convex surface.
In the exemplary embodiment, the image side surface of the third lens can be concave surface.
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 and f can further meet 0.95 ＜ TTL/f ＜ 1, for example, 0.96≤TTL/f≤0.98.Pass through Total effective focal length from distance and optical imaging system on the first lens object side to the axis of imaging surface is controlled, its imaging lens is made With focal length characteristic, and meet small form factor requirements simultaneously.
In the exemplary embodiment, the optical imaging lens of the application can meet 2 ＜ f/f2 ＜ 3 of conditional, wherein f For total effective focal length of optical imaging lens, f2 is the effective focal length of the second lens.More specifically, f and f2 can further meet 2 ＜ f/f2 ＜ 2.5, for example, 2.10≤f/f2≤2.25.Rationally control total effective focal length of optical system and having for the second lens Imitate the ratio of focal length, can effective distribution system focal power, and correct aberration.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional -2.5≤f3/R6≤- 1.5, Wherein, f3 is the effective focal length of the third lens, and R6 is the radius of curvature of the image side surface of the third lens.More specifically, f3 and R6 into One step can meet -2.19≤f3/R6≤- 1.50.The rationally song of the effective focal length and the third lens image side surface of control the third lens The ratio of rate radius can effectively reduce astigmatism and the distortion of optical system.
In the exemplary embodiment, the optical imaging lens of the application can meet -2 ＜ -1 ＜ f5/R10 of conditional, In, f5 is the effective focal length of the 5th lens, and R10 is the radius of curvature of the image side surface of the 5th lens.More specifically, f5 and R10 into One step can meet -1.84≤f5/R10≤- 1.27.The rationally song of the effective focal length and the 5th lens image side surface of the 5th lens of control The ratio of rate radius can effectively reduce astigmatism and the distortion of optical system.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional ImgH/f ＜ 0.5, wherein ImgH is the half of effective pixel area diagonal line length on the imaging surface of optical imaging lens, and f is always having for optical imaging lens Imitate focal length.More specifically, ImgH and f can further meet 0.4 ＜ ImgH/f ＜ 0.5, for example, 0.42≤ImgH/f≤0.45. Meet conditional ImgH/f ＜ 0.5, the size of optical system can be effectively compressed, ensures camera lens compact dimensioning characteristic.
In the exemplary embodiment, the optical imaging lens of the application can meet 0.5 ＜ R1/R2 ＜ 1.5 of conditional, In, R1 is the radius of curvature of the object side of the first lens, and R2 is the radius of curvature of the image side surface of the first lens.More specifically, R1 0.7 ＜ R1/R2 ＜ 1.2 can further be met with R2, for example, 0.76≤R1/R2≤1.09.The rationally object side of the first lens of control The ratio of curvature radius and image side curvature radius can be such that optical system is preferably matched with the chief ray angle of chip.
In the exemplary embodiment, the optical imaging lens of the application can meet 4 ＜ f/R3 ＜ 5 of conditional, wherein f For total effective focal length of optical imaging lens, R3 is the radius of curvature of the object side of the second lens.More specifically, f and R3 is into one Step can meet 4 ＜ f/R3 ＜ 4.5, for example, 4.11≤f/R3≤4.27.Rationally total effective focal length and second of control optical system The ratio of the radius of curvature of lens object side can effectively reduce the spherical aberration and astigmatism of system.
In the exemplary embodiment, the optical imaging lens of the application can meet 2 ＜ f/f12 ＜ 3 of conditional, wherein f For total effective focal length of optical imaging lens, f12 is the combined focal length of the first lens and the second lens.More specifically, f and f12 2 ＜ f/f12 ＜ 2.5 can further be met, for example, 2.05≤f/f12≤2.24.Total effective coke of rational distribution optical system Ratio away from the combined focal length with the first lens and the second lens can effectively improve the sensibility of system.
In the exemplary embodiment, the optical imaging lens of the application can meet -2 ＜ -1 ＜ f56/f of conditional, In, f56 is the combined focal length of the 5th lens and the 6th lens, and f is total effective focal length of optical imaging lens.More specifically, f56 It can further meet -1.79≤f56/f≤- 1.31 with f.The combined focal length and optics of reasonable distribution the 5th lens and the 6th lens The ratio of total effective focal length of system is conducive to slow down deflection of light angle, reduces optical system sensibility, improves optical system Image quality.
In the exemplary embodiment, the optical imaging lens of the application can meet 1 ＜ T45/CT6 ＜ 2 of conditional, In, T45 is the spacing distance of the 4th lens and the 5th lens on optical axis, and CT6 is the 6th lens in the center thickness on optical axis. More specifically, T45 and CT6 can further meet 1.28≤T45/CT6≤1.76.Meet 1 ＜ T45/CT6 ＜ 2 of conditional, can change The astigmatism of kind optical system and distortion, while reducing the rear end size of optical system.
In the exemplary embodiment, the optical imaging lens of the application can meet 2 ＜ CT2/CT4 ＜ 3 of conditional, In, CT2 is the second lens in the center thickness on optical axis, and CT4 is the 4th lens in the center thickness on optical axis.More specifically, CT2 and CT4 can further meet 2.25≤CT2/CT4≤2.95.The center thickness of reasonable Arrangement the second lens and the 4th lens, It can guarantee camera lens miniaturization, deflection of light made to tend to mitigate, reduce system sensitivity, and reduce the coma and astigmatism of system.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional | f/f1 | ＜ 0.2, wherein f For total effective focal length of optical imaging lens, f1 is the effective focal length of the first lens.More specifically, f and f1 can further meet 0 ＜ | f/f1 | ＜ 0.1, for example, 0.01≤| f/f1 |≤0.08.The rationally total effective focal length and the first lens of control optical system Effective focal length ratio, be capable of the aberration of effectively balance optical system.
In the exemplary embodiment, the optical imaging lens of the application can meet 2.3 ＜ CT1/T12 ＜ 3.8 of conditional, Wherein, CT1 is the first lens in the center thickness on optical axis, and T12 is the interval distance of the first lens and the second lens on optical axis From.More specifically, CT1 and T12 can further meet 2.39≤CT1/T12≤3.67.Rationally the center of the first lens of control is thick The ratio of degree and the airspace of the first lens and the second lens on optical axis, can effectively reduce the front end ruler of optical system It is very little, ensure the miniaturization of optical system.
In the exemplary embodiment, above-mentioned optical imaging lens may also include at least one diaphragm, to promote camera lens Image quality.Diaphragm can be arranged as required to locate at an arbitrary position, for example, diaphragm may be provided at the first lens and the second lens it Between.
Optionally, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting The protective glass of photosensitive element on imaging surface.
Present applicant proposes a kind of six chip telephoto lenses, which can be with other well known wide-angle lens collocation structures It is in pairs to take the photograph camera lens, to achieve the purpose that zoom, to obtain ideal enlargement ratio in auto-focusing and quality is good Picture, be suitable for shoot distant place object.Meanwhile the telephoto lens of the application passes through each power of lens of reasonable distribution, face Type, each lens center thickness and each lens between axis on spacing etc., effectively reduce the volume of telephoto lens, reduce The susceptibility of telephoto lens and the machinability for improving telephoto lens so that above-mentioned telephoto lens be more advantageous to production and processing and It is applicable to portable electronic product.
In presently filed embodiment, remaining lens with focal power in addition to the first lens mostly use aspherical Minute surface.The characteristics of non-spherical lens is：From lens centre to lens perimeter, curvature is consecutive variations.With from lens centre to Lens perimeter has the spherical lens of constant curvature different, and non-spherical lens has more preferably radius of curvature characteristic, and having improves The advantages of distorting aberration and improving astigmatic image error.After non-spherical lens, it can eliminate and go out when imaging as much as possible Existing aberration, 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 six lens as an example in embodiments, which is not limited to include six Lens.If desired, the optical imaging lens may also include the lens of other quantity.
The specific embodiment for the optical imaging lens for being applicable to the above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D descriptions 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 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 S1 and image side surface S2 of the first lens E1 is spherical surface, the second lens E2 to the 6th lens The object side of any one lens in E6 and image side surface are aspherical.In the present embodiment, the face type x of each non-spherical lens It is available but be not limited to following aspherical formula and be 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, paraxial curvature c is the inverse of 1 mean curvature radius R of upper table)；K be circular cone coefficient ( It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.The following table 2 give can be used for it is each aspherical in embodiment 1 The high-order coefficient A of minute surface S3-S124、A6、A8、A10、A12、A14、A16、A18And A20。
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2960E-03 -2.3620E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 5.4930E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7150E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5280E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9310E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-07
Table 2
Table 3 provides the effective focal length f1 to f6 of each lens in embodiment 1, total effective focal length f of optical imaging lens, first Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of lens E1 on optical axis.
f1(mm) 1132.39 f6(mm) 8.11
f2(mm) 2.75 f(mm) 5.92
f3(mm) -4.35 TTL(mm) 5.70
f4(mm) -586.58 HFOV(°) 19.2
f5(mm) -4.07
Table 3
Optical imaging lens in embodiment 1 meet：
TTL/f=0.96, wherein TTL is distances of the object side S1 of the first lens E1 to imaging surface S15 on optical axis, f For total effective focal length of optical imaging lens；
F/f2=2.15, wherein f is total effective focal length of optical imaging lens, and f2 is the effective focal length of the second lens E2；
F3/R6=-2.09, wherein f3 is the effective focal length of the third lens E3, and R6 is the image side surface S6's of the third lens E3 Radius of curvature；
F5/R10=-1.44, wherein f5 is the effective focal length of the 5th lens E5, and R10 is the image side surface of the 5th lens E5 The radius of curvature of S10；
ImgH/f=0.44, wherein ImgH is the half of effective pixel area diagonal line length on imaging surface S15, and f is optics Total effective focal length of imaging lens；
R1/R2=0.99, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, and R2 is the first lens E1's The radius of curvature of image side surface S2；
F/R3=4.25, wherein f is total effective focal length of optical imaging lens, and R3 is the object side S3 of the second lens E2 Radius of curvature；
F/f12=2.14, wherein f is total effective focal length of optical imaging lens, and f12 is the first lens E1 and second saturating The combined focal length of mirror E2；
F56/f=-1.60, wherein f56 is the combined focal length of the 5th lens E5 and the 6th lens E6, and f is optical imaging lens Total effective focal length of head；
T45/CT6=1.57, wherein T45 is spacing distances of the 4th lens E4 and the 5th lens E5 on optical axis, CT6 It is the 6th lens E6 in the center thickness on optical axis；
CT2/CT4=2.85, wherein CT2 is the second lens E2 in the center thickness on optical axis, and CT4 is the 4th lens E4 In the center thickness on optical axis；
| f/f1 |=0.01, wherein f is total effective focal length of optical imaging lens, and f1 is effective coke of the first lens E1 Away from；
CT1/T12=3.64, wherein CT1 is the first lens E1 in the center thickness on optical axis, and T12 is the first lens E1 With spacing distances of the second lens E2 on optical axis.
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 show the astigmatism curve of the optical imaging lens of embodiment 1, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 2 C show the distortion curve of the optical imaging lens of embodiment 1, indicate different visual angles In the case of distortion sizes values.Fig. 2 D show the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicate 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 realize good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D descriptions 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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 Concave surface, image side surface S6 are concave surface.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 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 S1 and image side surface S2 of the first lens E1 is spherical surface, the second lens The object side of any one lens in E2 to the 6th lens E6 and image side surface are aspherical.Table 5, which is shown, can be used for implementing The high-order coefficient of each aspherical mirror in example 2, wherein each aspherical face type can be by the formula (1) that is provided in above-described embodiment 1 It limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2963E-03 -2.3620E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 -5.4927E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7155E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5279E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9314E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-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 optical imaging lens, first Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of lens E1 on optical axis.
f1(mm) 567.27 f6(mm) 6.26
f2(mm) 2.63 f(mm) 5.89
f3(mm) -4.04 TTL(mm) 5.69
f4(mm) -66.01 HFOV(°) 19.1
f5(mm) -3.47
Table 6
Fig. 4 A show chromatic curve on the axis of the optical imaging lens of embodiment 2, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 4 B show the astigmatism curve of the optical imaging lens of embodiment 2, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 4 C show the distortion curve of the optical imaging lens of embodiment 2, indicate different visual angles In the case of distortion sizes values.Fig. 4 D show the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicate 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 realize 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is concave surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side S1 and image side surface S2 of the first lens E1 is spherical surface, the second lens The object side of any one lens in E2 to the 6th lens E6 and image side surface are aspherical.Table 8, which is shown, can be used for implementing The high-order coefficient of each aspherical mirror in example 3, wherein each aspherical face type can be by the formula (1) that is provided in above-described embodiment 1 It limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2963E-03 -2.3620E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 -5.4927E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7155E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5279E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9314E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-07
Table 8
Table 9 provides the effective focal length f1 to f6 of each lens in embodiment 3, total effective focal length f of optical imaging lens, first Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of lens E1 on optical axis.
f1(mm) 77.34 f6(mm) 7.13
f2(mm) 2.72 f(mm) 5.89
f3(mm) -4.21 TTL(mm) 5.70
f4(mm) -44.71 HFOV(°) 19.2
f5(mm) -3.76
Table 9
Fig. 6 A show chromatic curve on the axis of the optical imaging lens of embodiment 3, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 6 B show the astigmatism curve of the optical imaging lens of embodiment 3, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 6 C show the distortion curve of the optical imaging lens of embodiment 3, indicate different visual angles In the case of distortion sizes values.Fig. 6 D show the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicate 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 realize 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is concave surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is convex surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 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 S1 and image side surface S2 of the first lens E1 is spherical surface, and second thoroughly The object side of any one lens in mirror E2 to the 6th lens E6 and image side surface are aspherical.Table 11, which is shown, can be used for reality Apply the high-order coefficient of each aspherical mirror in example 4, wherein each aspherical face type can be by the formula that is provided in above-described embodiment 1 (1) it limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2963E-03 -2.3624E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 -5.4927E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7155E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5279E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9314E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-07
Table 11
Table 12 provides the effective focal length f1 to f6 of each lens in embodiment 4, total effective focal length f of optical imaging lens, Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of one lens E1 on optical axis.
Table 12
Fig. 8 A show chromatic curve on the axis of the optical imaging lens of embodiment 4, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 8 B show the astigmatism curve of the optical imaging lens of embodiment 4, indicate meridian picture Face is bent and sagittal image surface bending.Fig. 8 C show the distortion curve of the optical imaging lens of embodiment 4, indicate different visual angles In the case of distortion sizes values.Fig. 8 D show the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicate 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 realize 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is convex surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side S1 and image side surface S2 of the first lens E1 are spherical surface, and second thoroughly The object side of any one lens in mirror E2 to the 6th lens E6 and image side surface are aspherical.Table 14, which is shown, can be used for reality Apply the high-order coefficient of each aspherical mirror in example 5, wherein each aspherical face type can be by the formula that is provided in above-described embodiment 1 (1) it limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2963E-03 -2.3624E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 -5.4927E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7155E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5279E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9314E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-07
Table 14
Table 15 provides the effective focal length f1 to f6 of each lens in embodiment 5, total effective focal length f of optical imaging lens, Distance TTL and maximum angle of half field-of view HFOV of the center of the object side S1 of one lens E1 to imaging surface S15 on optical axis.
f1(mm) 499.32 f6(mm) 6.90
f2(mm) 2.71 f(mm) 5.84
f3(mm) -4.43 TTL(mm) 5.70
f4(mm) -47.72 HFOV(°) 19.6
f5(mm) -3.59
Table 15
Figure 10 A show chromatic curve on the axis of the optical imaging lens of embodiment 5, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 10 B show the astigmatism curve of the optical imaging lens of embodiment 5, indicate meridian Curvature of the image and sagittal image surface bending.Figure 10 C show the distortion curve of the optical imaging lens of embodiment 5, indicate different Distortion sizes values in the case of visual angle.Figure 10 D show the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 10 A to Figure 10 D it is found that given by embodiment 5 Optical imaging lens can realize 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has positive light coke, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, 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.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side S1 and image side surface S2 of the first lens E1 are spherical surface, and second thoroughly The object side of any one lens in mirror E2 to the 6th lens E6 and image side surface are aspherical.Table 17, which is shown, can be used for reality Apply the high-order coefficient of each aspherical mirror in example 6, wherein each aspherical face type can be by the formula that is provided in above-described embodiment 1 (1) it limits.
Table 17
Table 18 provides the effective focal length f1 to f6 of each lens in embodiment 6, total effective focal length f of optical imaging lens, Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of one lens E1 on optical axis.
f1(mm) 547.87 f6(mm) 8.03
f2(mm) 2.76 f(mm) 5.91
f3(mm) -4.34 TTL(mm) 5.70
f4(mm) 1491.97 HFOV(°) 19.2
f5(mm) -4.20
Table 18
Figure 12 A show chromatic curve on the axis of the optical imaging lens of embodiment 6, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 12 B show the astigmatism curve of the optical imaging lens of embodiment 6, indicate meridian Curvature of the image and sagittal image surface bending.Figure 12 C show the distortion curve of the optical imaging lens of embodiment 6, indicate different Distortion sizes values in the case of visual angle.Figure 12 D show the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 12 A to Figure 12 D it is found that given by embodiment 6 Optical imaging lens can realize 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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 convex surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 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 S1 and image side surface S2 of the first lens E1 are spherical surface, and second thoroughly The object side of any one lens in mirror E2 to the 6th lens E6 and image side surface are aspherical.Table 20, which is shown, can be used for reality Apply the high-order coefficient of each aspherical mirror in example 7, wherein each aspherical face type can be by the formula that is provided in above-described embodiment 1 (1) it limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2963E-03 -2.3624E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 -5.4927E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7155E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5279E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9314E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-07
Table 20
Table 21 provides the effective focal length f1 to f6 of each lens in embodiment 7, total effective focal length f of optical imaging lens, Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of one lens E1 on optical axis.
f1(mm) 499.92 f6(mm) 6.46
f2(mm) 2.61 f(mm) 5.87
f3(mm) -4.02 TTL(mm) 5.70
f4(mm) -53.81 HFOV(°) 19.2
f5(mm) -3.55
Table 21
Figure 14 A show chromatic curve on the axis of the optical imaging lens of embodiment 7, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 14 B show the astigmatism curve of the optical imaging lens of embodiment 7, indicate meridian Curvature of the image and sagittal image surface bending.Figure 14 C show the distortion curve of the optical imaging lens of embodiment 7, indicate different Distortion sizes values in the case of visual angle.Figure 14 D show the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 14 A to Figure 14 D it is found that given by embodiment 7 Optical imaging lens can realize 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has negative power, object side S1, 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.It is convex surface that 4th lens E4, which has positive light coke, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, and image side surface S10 is concave surface.6th lens E6 has positive light coke, Its object side S11 is convex surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 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 S1 and image side surface S2 of the first lens E1 are spherical surface, and second thoroughly The object side of any one lens in mirror E2 to the 6th lens E6 and image side surface are aspherical.Table 23, which is shown, can be used for reality Apply the high-order coefficient of each aspherical mirror in example 8, wherein each aspherical face type can be by the formula that is provided in above-described embodiment 1 (1) it limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2963E-03 -2.3624E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 -5.4927E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7155E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5279E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9314E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-07
Table 23
Table 24 provides the effective focal length f1 to f6 of each lens in embodiment 8, total effective focal length f of optical imaging lens, Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of one lens E1 on optical axis.
f1(mm) -893.11 f6(mm) 8.03
f2(mm) 2.73 f(mm) 5.91
f3(mm) -4.33 TTL(mm) 5.70
f4(mm) 626.94 HFOV(°) 19.3
f5(mm) -3.98
Table 24
Figure 16 A show chromatic curve on the axis of the optical imaging lens of embodiment 8, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 16 B show the astigmatism curve of the optical imaging lens of embodiment 8, indicate meridian Curvature of the image and sagittal image surface bending.Figure 16 C show the distortion curve of the optical imaging lens of embodiment 8, indicate different Distortion sizes values in the case of visual angle.Figure 16 D show the ratio chromatism, curve of the optical imaging lens of embodiment 8, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 16 A to Figure 16 D it is found that given by embodiment 8 Optical imaging lens can realize good image quality.
Embodiment 9
The optical imaging lens according to the embodiment of the present application 9 are described referring to Figure 17 to Figure 18 D.Figure 17 shows roots According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 9.
As shown in figure 17, 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, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly Mirror E6, optical filter E7 and imaging surface S15.
It is convex surface that first lens E1, which has negative power, object side S1, 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.It is convex surface that 4th lens E4, which has positive light coke, object side S7, and image side surface S8 is concave surface.The It is concave surface that five lens E5, which have negative power, object side S9, 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.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 9 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 25
As shown in Table 25, in embodiment 9, the object side S1 and image side surface S2 of the first lens E1 are spherical surface, and second thoroughly The object side of any one lens in mirror E2 to the 6th lens E6 and image side surface are aspherical.Table 26, which is shown, can be used for reality Apply the high-order coefficient of each aspherical mirror in example 9, wherein each aspherical face type can be by the formula that is provided in above-described embodiment 1 (1) it limits.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S3 9.2963E-03 -2.3624E-02 1.3802E-01 -3.9881E-01 7.0112E-01 -7.3634E-01 4.4024E-01 -1.2915E-01 1.1358E-02
S4 1.4872E-02 3.4942E-02 -5.7930E-02 2.4784E-02 1.9307E-01 -6.0821E-01 8.1732E-01 -5.5599E-01 1.5175E-01
S5 -5.4927E-02 2.3013E-01 -4.1617E-01 1.2277E+00 -3.4314E+00 6.3596E+00 -7.1648E+00 4.3385E+00 -1.0800E+00
S6 -9.7155E-02 3.5634E-01 -1.3159E+00 9.1431E+00 -4.0121E+01 1.0753E+02 -1.7016E+02 1.4639E+02 -5.2885E+01
S7 -6.2510E-02 2.3524E-01 -5.2087E-01 2.0720E+00 -4.2372E+00 4.4413E+00 -1.9091E+00 0.0000E+00 0.0000E+00
S8 2.1800E-02 1.1097E-01 3.8131E-01 -2.6792E+00 9.7265E+00 -2.0053E+01 2.3760E+01 -1.5018E+01 3.8779E+00
S9 -1.9696E-01 1.0317E-01 -1.1586E-01 7.7671E-02 5.9499E-02 -1.4177E-01 9.9098E-02 -3.0790E-02 3.6110E-03
S10 -9.5279E-02 1.1284E-01 -1.1130E-01 4.7705E-02 -8.5000E-04 -7.8900E-03 3.2530E-03 -5.4000E-04 3.3900E-05
S11 -1.5383E-01 3.2892E-01 -3.6125E-01 2.3707E-01 -9.8740E-02 2.6372E-02 -4.3800E-03 4.1200E-04 -1.7000E-05
S12 -9.9314E-02 6.8535E-02 -3.1530E-02 8.7280E-03 -7.6000E-04 -2.7000E-04 8.9300E-05 -9.8000E-06 3.6800E-07
Table 26
Table 27 provides the effective focal length f1 to f6 of each lens in embodiment 9, total effective focal length f of optical imaging lens, Distance TTLs and maximum angle of half field-of view HFOV of the object side S1 to imaging surface S15 of one lens E1 on optical axis.
f1(mm) -244.27 f6(mm) -1000.32
f2(mm) 2.79 f(mm) 5.87
f3(mm) -4.60 TTL(mm) 5.67
f4(mm) 134.19 HFOV(°) 19.2
f5(mm) -7.55
Table 27
Figure 18 A show chromatic curve on the axis of the optical imaging lens of embodiment 9, indicate the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 18 B show the astigmatism curve of the optical imaging lens of embodiment 9, indicate meridian Curvature of the image and sagittal image surface bending.Figure 18 C show the distortion curve of the optical imaging lens of embodiment 9, indicate different Distortion sizes values in the case of visual angle.Figure 18 D show the ratio chromatism, curve of the optical imaging lens of embodiment 9, indicate Light via the different image heights after camera lens on imaging surface deviation.According to Figure 18 A to Figure 18 D it is found that given by embodiment 9 Optical imaging lens can realize good image quality.
To sum up, embodiment 1 to embodiment 9 meets relationship shown in table 28 respectively.
Conditional embodiment 1 2 3 4 5 6 7 8 9
TTL/f 0.96 0.97 0.97 0.97 0.98 0.96 0.97 0.96 0.97
f/f2 2.15 2.24 2.16 2.18 2.15 2.14 2.25 2.16 2.10
f3/R6 -2.09 -1.50 -1.89 -1.88 -2.01 -2.19 -1.65 -2.04 -2.11
f5/R10 -1.44 -1.48 -1.60 -1.58 -1.84 -1.27 -1.53 -1.38 -1.58
ImgH/f 0.44 0.42 0.43 0.42 0.45 0.44 0.45 0.44 0.45
R1/R2 0.99 0.98 0.76 0.77 0.97 0.98 0.97 1.03 1.09
f/R3 4.25 4.12 4.13 4.13 4.19 4.27 4.11 4.23 4.18
f/f12 2.14 2.23 2.22 2.23 2.14 2.13 2.24 2.13 2.05
f56/f -1.60 -1.53 -1.49 -1.48 -1.33 -1.79 -1.53 -1.55 -1.31
T45/CT6 1.57 1.56 1.54 1.57 1.28 1.76 1.53 1.55 1.62
CT2/CT4 2.85 2.88 2.48 2.44 2.85 2.64 2.95 2.82 2.25
|f/f1| 0.01 0.01 0.08 0.07 0.01 0.01 0.01 0.01 0.02
CT1/T12 3.64 2.75 2.68 2.70 2.58 3.67 2.39 3.41 3.21
Table 28
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, can also be 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.People in the art Member 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 Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (16)

1. optical imaging lens include sequentially by object side to image side along optical axis：First lens, the second lens, the third lens, the 4th Lens, the 5th lens and the 6th lens, which is characterized in that
It is convex surface that first lens, which have focal power, object side, and image side surface is concave surface；
Second lens have positive light coke；
The third lens have negative power；
4th lens have focal power；
It is concave surface that 5th lens, which have negative power, image side surface,；
6th lens have focal power；And
Imaging surface distance TTL on optical axis and the optics of the object side of first lens to the optical imaging lens Total effective focal length f of imaging lens meets TTL/f ＜ 1.
2. 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 f2 of f and second lens meet 2 ＜ f/f2 ＜ 3.
3. 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 f1 of f and first lens meet | f/f1 | ＜ 0.2.
4. optical imaging lens according to claim 1, which is characterized in that the object side of first lens and image side surface It is spherical surface.
5. optical imaging lens according to claim 4, which is characterized in that the curvature of the object side of first lens half Diameter R1 and the radius of curvature R 2 of the image side surface of first lens meet 0.5 ＜ R1/R2 ＜ 1.5.
6. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens F and the radius of curvature R 3 of the object side of second lens meet 4 ＜ f/R3 ＜ 5.
7. optical imaging lens according to any one of claim 1 to 6, which is characterized in that the optical imaging lens Total effective focal length f and first lens and the combined focal length f12 of second lens meet 2 ＜ f/f12 ＜ 3.
8. optical imaging lens according to claim 1, which is characterized in that the effective focal length f3 of the third lens and institute The radius of curvature R 6 for stating the image side surface of the third lens meets -2.5≤f3/R6≤- 1.5.
9. optical imaging lens according to claim 1, which is characterized in that the effective focal length f5 of the 5th lens and institute The radius of curvature R 10 for stating the image side surface of the 5th lens meets -2 ＜ f5/R10 ＜ -1.
10. the optical imaging lens according to claim 1 or 9, which is characterized in that the 5th lens and the described 6th are thoroughly The combined focal length f56 of mirror meets -2 ＜ f56/f ＜ -1 with total effective focal length f of the optical imaging lens.
11. optical imaging lens according to claim 1, which is characterized in that the 4th lens and the 5th lens Spacing distance T45 on the optical axis meets 1 ＜ T45/ with the 6th lens in the center thickness CT6 on the optical axis CT6 ＜ 2.
12. optical imaging lens according to claim 1, which is characterized in that second lens are on the optical axis Center thickness CT2 meets 2 ＜ CT2/CT4 ＜ 3 with the 4th lens in the center thickness CT4 on the optical axis.
13. optical imaging lens according to claim 1, which is characterized in that first lens are on the optical axis Center thickness CT1 meets 2.3 ＜ CT1/ with the spacing distance T12 of first lens and second lens on the optical axis T12 ＜ 3.8.
14. the optical imaging lens according to any one of claim 11 to 13, which is characterized in that the optical imaging lens The half ImgH of effective pixel area diagonal line length and total effective focal length f of the optical imaging lens meet on the imaging surface of head ImgH/f ＜ 0.5.
15. optical imaging lens include sequentially by object side to image side along optical axis：First lens, the second lens, the third lens, Four lens, the 5th lens and the 6th lens, which is characterized in that
It is convex surface that first lens, which have focal power, object side, and image side surface is concave surface；
Second lens have positive light coke；
The third lens have negative power；
4th lens have focal power；
It is concave surface that 5th lens, which have negative power, image side surface,；
6th lens have focal power；And
The half ImgH of effective pixel area diagonal line length and the optical imaging lens on the imaging surface of the optical imaging lens Total effective focal length f of head meets ImgH/f ＜ 0.5.
16. optical imaging lens include sequentially by object side to image side along optical axis：First lens, the second lens, the third lens, Four lens, the 5th lens and the 6th lens, which is characterized in that
It is convex surface that first lens, which have focal power, object side, and image side surface is concave surface；
Second lens have positive light coke；
The third lens have negative power；
4th lens have focal power；
It is concave surface that 5th lens, which have negative power, image side surface,；
6th lens have focal power；And
Total effective focal length f of the optical imaging lens and the effective focal length f2 of second lens meet 2 ＜ f/f2 ＜ 3.
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WO2019233142A1 (en) * 2018-06-06 2019-12-12 浙江舜宇光学有限公司 Optical imaging lens
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