Optical imaging systemTechnical field
This application involves a kind of optical imaging systems, more specifically, this application involves a kind of optics including seven lensImaging system.
Background technique
With the improvement of material living standards, photography/video recording demand is gradually increased in people.Due to slr camera andMicro- one camera holds at high price, such as camera function attached by the portable electronic products such as smart phone becomes people'sOne of main selection.But the image quality of mobile phone auxiliary lens is unsatisfactory at present, especially wide-angle auxiliary lens, sideThe resolution ratio of edge visual field can not show a candle to the resolution ratio of central vision, and there is also the aberrations such as distortion, color difference, influence the imaging of camera lensQuality, so that camera lens is unable to satisfy the shooting demand of user.
Therefore, how to reduce the aberrations such as distortion, the color difference of mobile phone wide-angle auxiliary lens and improve image quality, be this fieldTechnical staff's technical problem urgently to be resolved.
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 artThe optical imaging system of at least one above-mentioned disadvantage, for example, wide-angle lens.
On the one hand, this application provides such a optical imaging system, the system along optical axis by object side to image side according toSequence includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Wherein,First lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；Third is saturatingMirror can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negative light focusDegree；6th lens can have positive light coke；7th lens can have negative power.Wherein, the curvature of the image side surface of the 5th lensThe radius of curvature R 12 of the image side surface of radius R10 and the 6th lens can meet 4 < R10/R12 < 6.5.
In one embodiment, the image side surface of the third lens can be convex surface；The effective focal length f3 and third of the third lensThe radius of curvature R 6 of the image side surface of lens can meet -2 < f3/R6 < -1.
In one embodiment, the maximum angle of half field-of view HFOV of optical imaging system can meet 45 ° of 55 ° of < HFOV <.
In one embodiment, the curvature of the image side surface of the radius of curvature R 7 and the 4th lens of the object side of the 4th lensRadius R8 can meet 1 < R7/R8 < 2.
In one embodiment, total effective focal length f of the effective focal length f1 of the first lens and optical imaging system can expire- 7.5 < f1/f < -3.5 of foot.
In one embodiment, the song of the image side surface of the radius of curvature R 13 and the 7th lens of the object side of the 7th lensRate radius R14 can meet 2 < R13/R14 < 3.
In one embodiment, the effective focal length f6 of the 6th lens and the effective focal length f7 of the 7th lens can meet -1.5< f6/f7 < -0.5.
In one embodiment, the first lens on optical axis center thickness CT1 and the second lens on optical axisHeart thickness CT2 can meet 1 < CT1/CT2 < 2.
In one embodiment, spacing distance T23 on optical axis of the second lens and the third lens and the third lens inCenter thickness CT3 on optical axis can meet 1 < T23/CT3 < 2.5.
In one embodiment, the object side of maximum the effective radius DT11 and the 7th lens of the object side of the first lensMaximum effective radius DT71 can meet 1 < DT11/DT71 < 1.5.
In one embodiment, the maximum effective radius DT12 of the image side surface of the first lens and optical imaging system atThe half ImgH of effective pixel area diagonal line length in image planes can meet 0.6 < DT12/ImgH < 1.
In one embodiment, spacing distance T45, the 5th lens and of the 4th lens and the 5th lens on optical axisSpacing distance T56 and sixth lens and seventh lens spacing distance T67 on optical axis of six lens on optical axis can meet 0.3< T45/ (T56+T67) < 1.8.
In one embodiment, the effective focal length f2 of the total effective focal length f and the second lens of optical imaging system can expireFoot | f/f2 | < 0.1.
On the other hand, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke, and image side surface can be convex surface；4th lens have positive light coke or negative power；5th lensWith positive light coke or negative power；6th lens can have positive light coke；7th lens can have negative power.Wherein,The spacing distance T23 and the third lens of two lens and the third lens on optical axis can expire in the center thickness CT3 on the optical axis1 < T23/CT3 < 2.5 of foot.
Another aspect, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negativeFocal power；6th lens can have positive light coke；7th lens can have negative power.Wherein, the maximum of optical imaging systemAngle of half field-of view HFOV can meet 45 ° of 55 ° of < HFOV <.
Another aspect, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negativeFocal power；6th lens can have positive light coke；7th lens can have negative power.Wherein, the object side of the 4th lensThe radius of curvature R 8 of the image side surface of radius of curvature R 7 and the 4th lens can meet 1 < R7/R8 < 2.
Another aspect, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negativeFocal power；6th lens can have positive light coke；7th lens can have negative power.Wherein, the effective focal length of the first lensTotal effective focal length f of f1 and optical imaging system can meet -7.5 < f1/f < -3.5.
Another aspect, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negativeFocal power；6th lens can have positive light coke；7th lens can have negative power.Wherein, the object side of the 7th lensThe radius of curvature R 14 of the image side surface of radius of curvature R 13 and the 7th lens can meet 2 < R13/R14 < 3.
Another aspect, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negativeFocal power；6th lens can have positive light coke；7th lens can have negative power.Wherein, the effective focal length of the third lensThe radius of curvature R 6 of f3 and the image side surface of the third lens can meet -2 < f3/R6 < -1.
Another aspect, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negativeFocal power；6th lens can have positive light coke；7th lens can have negative power.Wherein, the object side of the first lensThe maximum effective radius DT71 of the object side of maximum effective radius DT11 and the 7th lens can meet 1 < DT11/DT71 < 1.5.
Another aspect, present invention also provides such a optical imaging systems, and the system is along optical axis by object side to pictureSide sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.ItsIn, the first lens can have negative power, and object side can be concave surface；Second lens have positive light coke or negative power；TheThree lens can have positive light coke；4th lens have positive light coke or negative power；5th lens have positive light coke or negativeFocal power；6th lens can have positive light coke；7th lens can have negative power.Wherein, the image side surface of the first lensThe half ImgH of effective pixel area diagonal line length on the imaging surface of maximum effective radius DT12 and optical imaging system can expire0.6 < DT12/ImgH < 1 of foot.
The application uses multi-disc (for example, seven) lens, by each power of lens of reasonable distribution, face type, eachSpacing etc. on axis between the center thickness of mirror and each lens, so that the optical imaging system has wide-angle, superior image productAt least one beneficial effect such as matter, hyposensitivity, miniaturization.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features, purpose and excellentPoint will be apparent.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 1, astigmatism curve, distortionCurve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 2, astigmatism curve, distortionCurve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 3, astigmatism curve, distortionCurve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 4, astigmatism curve, distortionCurve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 5, astigmatism curve, abnormalVaried curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 6, astigmatism curve, abnormalVaried curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 7, astigmatism curve, abnormalVaried curve and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the optical imaging system 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 system of embodiment 8, astigmatism curve, abnormalVaried curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imaging system of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrates chromatic curve on the axis of the optical imaging system of embodiment 9, astigmatism curve, abnormalVaried 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 answersUnderstand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any wayRange.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated instituteAny 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 spySign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafterThe 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 drawingShown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawingShown 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 positionWhen 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 positionWhen, 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 sideSide, 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 theoryIt 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 moreOther feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in instituteWhen after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing thisWhen 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 withThe application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday wordsTerm defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, andIt 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 phaseMutually 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 system 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 lensAlong 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 negative power, and object side can be concave surface；Second lens toolThere are positive light coke or negative power；The third lens can have positive light coke；4th lens have positive light coke or negative power；TheFive lens have positive light coke or negative power；6th lens can have positive light coke；7th lens can have negative power.
In the exemplary embodiment, the image side surface of the third lens can be convex surface.
In the exemplary embodiment, the object side of the 4th lens can be convex surface, and image side surface can be concave surface.
In the exemplary embodiment, the image side surface of the 5th lens can be convex surface.
In the exemplary embodiment, the image side surface of the 6th lens can be convex surface.
In the exemplary embodiment, the object side of the 7th lens can be convex surface, and image side surface can be concave surface.
In the exemplary embodiment, the optical imaging system of the application can meet -7.5 < -3.5 < f1/f of conditional,Wherein, f1 is the effective focal length of the first lens, and f is total effective focal length of optical imaging system.More specifically, f and f1 are further<-3.5-5.5≤f1/f can be met, for example,-5.07≤f1/f≤- 3.85.The rationally effective focal length of the first lens of setting, makesIt meets negative power, can have the function of adjustment ray position, while can reduce the sensibility of optical system.
In the exemplary embodiment, the optical imaging system of the application can meet -2 < -1 < f3/R6 of conditional,In, 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 is into oneStep can meet -1.83≤f3/R6≤- 1.37.The rationally picture of the effective focal length of control optical system the third lens and the third lensThe radius of curvature of side can relatively easily balance aberration, optical-modulation transfer function (MTF) performance of lifting system.
In the exemplary embodiment, the optical imaging system of the application can meet 45 ° of 55 ° of < HFOV < of conditional,In, HFOV is the maximum angle of half field-of view of optical imaging system.More specifically, HFOV can further meet 45.1 °≤HFOV≤47.5°.The rationally maximum field of view angle of control optical imaging system, can effectively ensure that the wide-angle performance of optical system.
In the exemplary embodiment, the optical imaging system of the application can meet 1 < R7/R8 < 2 of conditional, whereinR7 is the radius of curvature of the object side of the 4th lens, and R8 is the radius of curvature of the image side surface of the 4th lens.More specifically, R7 and R81.04≤R7/R8≤1.79 can further be met.The rationally radius of curvature and the of the 4th lens object side of control optical systemThe ratio of the radius of curvature of four lens image side surfaces can be effectively improved color difference and the distortion of optical system.
In the exemplary embodiment, the optical imaging system of the application can meet 4 < R10/R12 < 6.5 of conditional,In, R10 is the radius of curvature of the image side surface of the 5th lens, and R12 is the radius of curvature of the image side surface of the 6th lens.More specifically,R10 and R12 can further meet 4.28≤R10/R12≤6.24.The rationally radius of curvature and the of the 5th lens image side surface of settingThe radius of curvature of six lens image side surfaces, can make optical system possess bigger aperture, improve the overall brightness of imaging.
In the exemplary embodiment, the optical imaging system of the application can meet 2 < R13/R14 < 3 of conditional,In, R13 is 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,R13 and R14 can further meet 2.35≤R13/R14≤2.73.The 7th lens object side of reasonable distribution and the 7th lens image sideThe radius of curvature in face can control the light tendency of outer visual field, enable the chief ray angle of optical system preferably matching chip.
In the exemplary embodiment, the optical imaging system of the application can meet -1.5 < -0.5 < f6/f7 of conditional,Wherein, f6 is the effective focal length of the 6th lens, and f7 is the effective focal length of the 7th lens.More specifically, f6 and f7 can further expireFoot -1.2≤f6/f7≤- 0.8, for example, -1.05≤f6/f7≤- 0.98.The rationally effective focal length and the 7th of the 6th lens of settingThe ratio of the effective focal length of lens has so that the 7th lens have negative power when the 6th lens are with positive light cokeConducive to the incident ray of adjustment lens and the angle of emergent ray, and it can effectively correct the color difference of optical system.
In the exemplary embodiment, the optical imaging system of the application can meet 1 < CT1/CT2 < 2 of conditional,In, CT1 is the first lens in the center thickness on optical axis, and CT2 is the second lens in the center thickness on optical axis.More specifically,CT1 and CT2 can further meet 1.3≤CT1/CT2≤1.9, such as 1.48≤CT1/CT2≤1.86.Rationally control first is thoroughlyMirror on optical axis center thickness and the second lens in the ratio of the center thickness on optical axis, can effectively correct the axis of optical systemUpper color difference and the image quality for effectively improving optical system.
In the exemplary embodiment, the optical imaging system of the application can meet 1 < T23/CT3 < 2.5 of conditional,In, T23 is the spacing distance of the second lens and the third lens on optical axis, and CT3 is the third lens in the center thickness on optical axis.More specifically, T23 and CT3 can further meet 1 < T23/CT3 < 2.2, for example, 1.10≤T23/CT3≤2.00.Rationally controlThe spacing distance and the third lens of the second lens and the third lens on optical axis are made in the ratio of the center thickness on optical axis, can be hadEffect shortens the front end size of optical system and guarantees there is good processing gap between optical lens.
In the exemplary embodiment, the optical imaging system of the application can meet 1 < DT11/DT71 < 1.5 of conditional,Wherein, DT11 is the maximum effective radius of the object side of the first lens, and DT71 is the maximum effectively half of the object side of the 7th lensDiameter.More specifically, DT11 and DT71 can further meet 1.25≤DT11/DT71≤1.39.Rationally the first lens object side of controlThe ratio of the maximum effective radius in face and the maximum effective radius of the 7th lens object side, can effectively reduce the incidence of rim rayAngle, and guarantee the good tolerance characteristic of optical system.
In the exemplary embodiment, the optical imaging system of the application can meet 0.6 < DT12/ImgH < 1 of conditional,Wherein, DT12 is the maximum effective radius of the image side surface of the first lens, and ImgH is effective pixel area diagonal line length on imaging surfaceHalf.More specifically, DT12 and ImgH can further meet 0.66≤DT12/ImgH≤0.76.Rationally the first lens of controlThe ratio of the half of effective pixel area diagonal line length, can effectively ensure that optics on the maximum effective radius and imaging surface of image side surfaceThe front end of system minimizes, and optical system is made to meet the architectural characteristic of small size.
In the exemplary embodiment, the optical imaging system of the application can meet 0.3 < T45/ (T56+T67) of conditional< 1.8, 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 lensSpacing distance on optical axis, T67 are the spacing distance of the 6th lens and the 7th lens on optical axis.More specifically, T45, T56Can further it meet with T67 0.31≤T45/ (T56+T67)≤1.78.Meet conditional 0.3 < T45/ (T56+T67) < 1.8,It can effectively ensure that camera lens minimizes.By the center thickness of each lens of reasonable layout, deflection of light can be made to tend to mitigate, reduced quickPerception, while astigmatism, distortion and the color difference of system can be reduced.
In the exemplary embodiment, the optical imaging system of the application can meet conditional | f/f2 | < 0.1, wherein fFor total effective focal length of optical imaging system, f2 is the effective focal length of the second lens.More specifically, f and f2 can further meet0.001≤|f/f2|≤0.077.The rationally ratio between total effective focal length of setting optical system and the effective focal length of the second lensValue, can active balance optical system color difference and further increase the image quality of optical system.
In the exemplary embodiment, above-mentioned optical imaging system may also include at least one diaphragm, with improving optical atAs the image quality of system.Optionally, diaphragm may be provided between the second lens and the third lens.
Optionally, above-mentioned optical imaging system may also include optical filter for correcting color error ratio and/or for protectingThe protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above seven can be used according to the optical imaging system of the above embodiment of the applicationPiece.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacingDeng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imagery systemSystem, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Optical imaging system through the above configuration can also haveThere are the beneficial effects such as wide-angle, superior image quality and hyposensitivity.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror.Non-spherical lensThe characteristics of be：From lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeterThe 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 pictureThe advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improveImage quality.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case whereUnder, the lens numbers for constituting optical imaging system can be changed, to obtain each result and advantage described in this specification.ExampleSuch as, although being described by taking seven lens as an example in embodiments, which is not limited to include sevenLens.If desired, the optical imaging system may also include the lens of other quantity.
The specific embodiment for being applicable to the optical imaging system 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 system of the embodiment of the present application 1.Fig. 1 is shown according to thisApply for the structural schematic diagram of the optical imaging system of embodiment 1.
As shown in Figure 1, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 hasNegative 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 isConvex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive 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 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 is simultaneously ultimately imaged on imaging surface S17.
Table 1 show the surface types of each lens of the optical imaging system of embodiment 1, radius of curvature, thickness, material andCircular 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 areIt 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 isAspherical 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 1The 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 | 2.2960E-01 | -1.7947E-01 | 1.1360E-01 | -2.3070E-02 | -5.2950E-02 | 7.0194E-02 | -3.9840E-02 | 1.0978E-02 | -1.1800E-03 |
| S2 | 3.3026E-02 | -9.7390E-02 | 1.5272E-01 | -2.6380E-01 | 4.1970E-01 | -4.1660E-01 | 2.3284E-01 | -6.8210E-02 | 8.2480E-03 |
| S3 | -4.8710E-02 | -3.7190E-02 | 1.0111E+00 | -3.3983E+00 | 6.1236E+00 | -6.6966E+00 | 4.3802E+00 | -1.5684E+00 | 2.3632E-01 |
| S4 | 2.7048E-01 | 6.6653E-02 | -6.5651E-01 | 6.1642E+00 | -2.6123E+01 | 6.0398E+01 | -8.0573E+01 | 5.7478E+01 | -1.6853E+01 |
| S5 | 3.1061E-02 | 5.2372E-01 | -1.9795E+01 | 2.5649E+02 | -2.1656E+03 | 1.1599E+04 | -3.8243E+04 | 7.0578E+04 | -5.5866E+04 |
| S6 | -8.4604E-01 | 9.5382E+00 | -8.6952E+01 | 5.7234E+02 | -2.5863E+03 | 7.7032E+03 | -1.4408E+04 | 1.5341E+04 | -7.1044E+03 |
| S7 | -7.8681E-01 | 5.4220E+00 | -4.3860E+01 | 2.4485E+02 | -9.0759E+02 | 2.1784E+03 | -3.2309E+03 | 2.6980E+03 | -9.7936E+02 |
| S8 | -3.0595E-01 | -4.6137E-01 | 4.2092E+00 | -2.0181E+01 | 6.8262E+01 | -1.5475E+02 | 2.1977E+02 | -1.7294E+02 | 5.6549E+01 |
| S9 | 2.0432E-01 | -1.1039E-01 | -1.1108E+00 | 5.7354E+00 | -1.4081E+01 | 1.9874E+01 | -1.6458E+01 | 7.4709E+00 | -1.4395E+00 |
| S10 | 3.5420E-03 | 3.9306E-02 | -2.6497E-01 | 3.2706E-01 | 8.6074E-01 | -2.8954E+00 | 3.3950E+00 | -1.8715E+00 | 4.0985E-01 |
| S11 | 1.5254E-01 | -1.0186E+00 | 3.5464E+00 | -7.5498E+00 | 9.9668E+00 | -8.1444E+00 | 3.9988E+00 | -1.0455E+00 | 9.1429E-02 |
| S12 | 3.7501E-01 | -7.0468E-01 | 1.3978E+00 | -3.2172E-01 | -3.9175E+00 | 7.7154E+00 | -6.6893E+00 | 2.8653E+00 | -4.9495E-01 |
| S13 | -1.0398E+00 | 1.0416E+00 | -8.6910E-02 | -1.6958E+00 | 2.1577E+00 | -8.7772E-01 | -2.4977E-01 | 3.2850E-01 | -7.9380E-02 |
| S14 | -6.1958E-01 | 1.1644E+00 | -1.5708E+00 | 1.4537E+00 | -9.2386E-01 | 3.9586E-01 | -1.0910E-01 | 1.7417E-02 | -1.2200E-03 |
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 systemTotal length TTL (that is, distance from the object side S1 of the first lens E1 to imaging surface S17 on optical axis) and maximum angle of half field-of viewHFOV。
| f1(mm) | -8.06 | f6(mm) | 2.00 |
| f2(mm) | -30.92 | f7(mm) | -1.92 |
| f3(mm) | 2.19 | f(mm) | 1.90 |
| f4(mm) | -9.05 | TTL(mm) | 4.94 |
| f5(mm) | 12.90 | HFOV(°) | 47.5 |
Table 3
Optical imaging system in embodiment 1 meets：
F1/f=-4.24, wherein f1 is the effective focal length of the first lens E1, and f is total effective coke of optical imaging systemAway from；
F3/R6=-1.42, 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 E3Radius of curvature；
HFOV=47.5 °, wherein HFOV is the maximum angle of half field-of view of optical imaging system；
R7/R8=1.58, wherein R7 is the radius of curvature of the object side S7 of the 4th lens E4, and R8 is the 4th lens E4'sThe radius of curvature of image side surface S8；
R10/R12=5.08, wherein R10 is the radius of curvature of the image side surface S10 of the 5th lens E5, and R12 is the 6th lensThe radius of curvature of the image side surface S12 of E6；
R13/R14=2.35, wherein R13 is the radius of curvature of the object side S13 of the 7th lens E7, and R14 is the 7th lensThe radius of curvature of the image side surface S14 of E7；
F6/f7=-1.04, wherein f6 is the effective focal length of the 6th lens E6, and f7 is the effective focal length of the 7th lens E7；
CT1/CT2=1.48, wherein CT1 is the first lens E1 in the center thickness on optical axis, and CT2 is the second lens E2In the center thickness on optical axis；
T23/CT3=1.36, wherein T23 is spacing distance of the second lens E2 and the third lens E3 on optical axis, CT3It is the third lens E3 in the center thickness on optical axis；
DT11/DT71=1.25, wherein DT11 is the maximum effective radius of the object side S1 of the first lens E1, and DT71 isThe maximum effective radius of the object side S13 of 7th lens E7；
DT12/ImgH=0.66, wherein DT12 is the maximum effective radius of the image side surface S2 of the first lens E1, and ImgH isThe half of effective pixel area diagonal line length on imaging surface；
T45/ (T56+T67)=1.04, wherein T45 is interval distance of the 4th lens E4 and the 5th lens E5 on optical axisFrom 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 lens E7Spacing distance on optical axis；
| f/f2 |=0.061, wherein f is total effective focal length of optical imaging system, and f2 is effective coke of the second lens E2Away from.
Fig. 2A shows chromatic curve on the axis of the optical imaging system of embodiment 1, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imaging system of embodiment 1, indicates meridian pictureFace bending and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imaging system of embodiment 1, indicates different visual fieldsDistortion sizes values corresponding to angle.Fig. 2 D shows the ratio chromatism, curve of the optical imaging system of embodiment 1, indicates lightVia the deviation of the different image heights after camera lens on imaging surface.A to Fig. 2 D is it is found that optics given by embodiment 1 according to fig. 2Imaging system can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imaging system of the embodiment of the present application 2.In the present embodiment and followingIn embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2Optical imaging system structural schematic diagram.
As shown in figure 3, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 hasNegative 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 isConvex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive 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 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 is simultaneously ultimately imaged on imaging surface S17.
Table 4 show the surface types of each lens of the optical imaging system of embodiment 2, radius of curvature, thickness, material andCircular 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 E7It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non-Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 2.3044E-01 | -1.8421E-01 | 1.2383E-01 | -3.9620E-02 | -3.2120E-02 | 5.1227E-02 | -2.9070E-02 | 7.7160E-03 | -7.8000E-04 |
| S2 | 3.2244E-02 | -9.2290E-02 | 1.3806E-01 | -2.2914E-01 | 3.5812E-01 | -3.4950E-01 | 1.9140E-01 | -5.4820E-02 | 6.4720E-03 |
| S3 | -5.5920E-02 | -5.4050E-02 | 1.2765E+00 | -4.3855E+00 | 8.0893E+00 | -8.9984E+00 | 5.9566E+00 | -2.1538E+00 | 3.2763E-01 |
| S4 | 2.6857E-01 | -6.2020E-02 | 5.5948E-01 | 7.5271E-01 | -1.2143E+01 | 3.8994E+01 | -6.1361E+01 | 4.7910E+01 | -1.4728E+01 |
| S5 | -3.5400E-03 | 2.2410E+00 | -6.1005E+01 | 8.3316E+02 | -7.1055E+03 | 3.7914E+04 | -1.2330E+05 | 2.2326E+05 | -1.7259E+05 |
| S6 | -9.1336E-01 | 1.0497E+01 | -8.9787E+01 | 5.3815E+02 | -2.1823E+03 | 5.7158E+03 | -9.0832E+03 | 7.7531E+03 | -2.5972E+03 |
| S7 | -8.8952E-01 | 7.1529E+00 | -5.9505E+01 | 3.3977E+02 | -1.3008E+03 | 3.2574E+03 | -5.0893E+03 | 4.5097E+03 | -1.7398E+03 |
| S8 | -3.3858E-01 | -2.5312E-01 | 3.8643E+00 | -2.2263E+01 | 8.2396E+01 | -1.9467E+02 | 2.8170E+02 | -2.2379E+02 | 7.3703E+01 |
| S9 | 1.8386E-01 | -1.6820E-02 | -1.5798E+00 | 7.6330E+00 | -1.9097E+01 | 2.7855E+01 | -2.3782E+01 | 1.1033E+01 | -2.1490E+00 |
| S10 | 3.5420E-03 | 3.9306E-02 | -2.6497E-01 | 3.2706E-01 | 8.6074E-01 | -2.8954E+00 | 3.3950E+00 | -1.8715E+00 | 4.0985E-01 |
| S11 | 1.5872E-01 | -1.0491E+00 | 3.8757E+00 | -9.0092E+00 | 1.3408E+01 | -1.3099E+01 | 8.4428E+00 | -3.3379E+00 | 6.0953E-01 |
| S12 | 3.9772E-01 | -8.1546E-01 | 1.8907E+00 | -1.7710E+00 | -1.3152E+00 | 4.7866E+00 | -4.6595E+00 | 2.0767E+00 | -3.6437E-01 |
| S13 | -1.0355E+00 | 1.0128E+00 | 5.9390E-02 | -2.1654E+00 | 3.0167E+00 | -1.8127E+00 | 3.5806E-01 | 1.1068E-01 | -4.6420E-02 |
| S14 | -6.2488E-01 | 1.1819E+00 | -1.6109E+00 | 1.5080E+00 | -9.6949E-01 | 4.1985E-01 | -1.1678E-01 | 1.8780E-02 | -1.3200E-03 |
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 systemTotal length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -8.15 | f6(mm) | 1.96 |
| f2(mm) | -33.01 | f7(mm) | -1.90 |
| f3(mm) | 2.18 | f(mm) | 1.89 |
| f4(mm) | -9.08 | TTL(mm) | 4.95 |
| f5(mm) | 13.09 | HFOV(°) | 47.5 |
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imaging system of embodiment 2, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imaging system of embodiment 2, indicates meridian pictureFace bending and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imaging system of embodiment 2, indicates different visual fieldsThe corresponding distortion sizes values in angle.Fig. 4 D shows the ratio chromatism, curve of the optical imaging system of embodiment 2, indicates light warpBy 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 atAs system can be realized good image quality.
Embodiment 3
The optical imaging system according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basisThe structural schematic diagram of the optical imaging system of the embodiment of the present application 3.
As shown in figure 5, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 hasNegative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 isConvex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive 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 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 is simultaneously ultimately imaged on imaging surface S17.
Table 7 show the surface types of each lens of the optical imaging system of embodiment 3, radius of curvature, thickness, material andCircular 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 E7It 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 | 2.4027E-01 | -2.3297E-01 | 2.2663E-01 | -1.8042E-01 | 1.0359E-01 | -4.0810E-02 | 1.1223E-02 | -2.1100E-03 | 2.0600E-04 |
| S2 | 4.7045E-02 | -1.4604E-01 | 2.3363E-01 | -2.7878E-01 | 2.5909E-01 | -1.6761E-01 | 6.7871E-02 | -1.5400E-02 | 1.5080E-03 |
| S3 | -1.2232E-01 | 3.2414E-01 | 1.4441E-01 | -1.9673E+00 | 4.2673E+00 | -4.8183E+00 | 3.0821E+00 | -1.0571E+00 | 1.5182E-01 |
| S4 | 1.9746E-01 | 3.6071E-01 | -7.8605E-01 | 3.7499E+00 | -1.7256E+01 | 4.5033E+01 | -6.4728E+01 | 4.7353E+01 | -1.3692E+01 |
| S5 | 5.8200E-03 | 2.1597E+00 | -6.1452E+01 | 8.6704E+02 | -7.6382E+03 | 4.2020E+04 | -1.4051E+05 | 2.6082E+05 | -2.0605E+05 |
| S6 | -9.3382E-01 | 1.1594E+01 | -1.0557E+02 | 6.6277E+02 | -2.7613E+03 | 7.2325E+03 | -1.0945E+04 | 7.9251E+03 | -1.4127E+03 |
| S7 | -9.2838E-01 | 8.0349E+00 | -7.1293E+01 | 4.3459E+02 | -1.7740E+03 | 4.7186E+03 | -7.7626E+03 | 7.1281E+03 | -2.7769E+03 |
| S8 | -3.7942E-01 | -4.6970E-02 | 3.2427E+00 | -2.2226E+01 | 9.2972E+01 | -2.4970E+02 | 4.2204E+02 | -4.0379E+02 | 1.6575E+02 |
| S9 | 1.6074E-01 | 7.0818E-02 | -2.1857E+00 | 1.1336E+01 | -3.2418E+01 | 5.5104E+01 | -5.6295E+01 | 3.2779E+01 | -8.6010E+00 |
| S10 | 3.5420E-03 | 3.9306E-02 | -2.6497E-01 | 3.2706E-01 | 8.6074E-01 | -2.8954E+00 | 3.3950E+00 | -1.8715E+00 | 4.0985E-01 |
| S11 | 1.7349E-01 | -1.1272E+00 | 4.9609E+00 | -1.4910E+01 | 3.0464E+01 | -4.3148E+01 | 4.0912E+01 | -2.2933E+01 | 5.6149E+00 |
| S12 | 4.5212E-01 | -1.2122E+00 | 4.5136E+00 | -1.1894E+01 | 2.2023E+01 | -2.8445E+01 | 2.3908E+01 | -1.1444E+01 | 2.3300E+00 |
| S13 | -1.0291E+00 | 8.9310E-01 | 8.5221E-01 | -5.1287E+00 | 9.2390E+00 | -9.4188E+00 | 5.7253E+00 | -1.9114E+00 | 2.6798E-01 |
| S14 | -6.3449E-01 | 1.2146E+00 | -1.7185E+00 | 1.6941E+00 | -1.1528E+00 | 5.2733E-01 | -1.5421E-01 | 2.5963E-02 | -1.9100E-03 |
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 systemTotal length TTL and maximum angle of half field-of view HFOV.
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imaging system of embodiment 3, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imaging system of embodiment 3, indicates meridian pictureFace bending and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imaging system of embodiment 3, indicates different visual fieldsDistortion sizes values corresponding to angle.Fig. 6 D shows the ratio chromatism, curve of the optical imaging system of embodiment 3, indicates lightVia 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 3Imaging system can be realized good image quality.
Embodiment 4
The optical imaging system according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basisThe structural schematic diagram of the optical imaging system of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 hasNegative power, object side S3 are concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 isConvex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive 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 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 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 system of embodiment 4And 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 E7It 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 eachAspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
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 systemLearn total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -8.39 | f6(mm) | 1.91 |
| f2(mm) | -65.93 | f7(mm) | -1.87 |
| f3(mm) | 2.16 | f(mm) | 1.89 |
| f4(mm) | -8.68 | TTL(mm) | 4.95 |
| f5(mm) | 13.46 | HFOV(°) | 47.0 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imaging system of embodiment 4, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imaging system of embodiment 4, indicates meridian pictureFace bending and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imaging system of embodiment 4, indicates different visual fieldsDistortion sizes values corresponding to angle.Fig. 8 D shows the ratio chromatism, curve of the optical imaging system of embodiment 4, indicates lightVia 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 4Imaging system can be realized good image quality.
Embodiment 5
The optical imaging system according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basisThe structural schematic diagram of the optical imaging system of the embodiment of the present application 5.
As shown in figure 9, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 hasNegative 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 isConvex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 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 system of embodiment 5And 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 E7It 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 eachAspherical 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 | 2.3188E-01 | -1.9838E-01 | 1.6217E-01 | -1.0504E-01 | 4.1231E-02 | -2.7600E-03 | -4.5800E-03 | 1.6830E-03 | -1.8000E-04 |
| S2 | 2.6869E-02 | -6.7110E-02 | 8.7992E-02 | -1.2784E-01 | 1.7909E-01 | -1.5613E-01 | 7.5694E-02 | -1.9050E-02 | 1.9640E-03 |
| S3 | -6.3370E-02 | -1.0517E-01 | 1.5426E+00 | -4.8129E+00 | 8.3615E+00 | -8.9136E+00 | 5.7032E+00 | -2.0069E+00 | 2.9968E-01 |
| S4 | 2.1972E-01 | -1.7502E-01 | 1.7735E+00 | -4.6146E+00 | 4.2855E+00 | 5.5657E+00 | -1.7769E+01 | 1.4813E+01 | -3.7692E+00 |
| S5 | -9.2700E-03 | 3.3266E+00 | -8.9566E+01 | 1.2731E+03 | -1.1208E+04 | 6.1440E+04 | -2.0451E+05 | 3.7799E+05 | -2.9756E+05 |
| S6 | -9.6499E-01 | 1.4079E+01 | -1.3176E+02 | 8.2599E+02 | -3.4858E+03 | 9.5755E+03 | -1.6158E+04 | 1.4846E+04 | -5.4507E+03 |
| S7 | -1.0591E+00 | 1.1172E+01 | -9.9249E+01 | 5.8966E+02 | -2.3469E+03 | 6.1198E+03 | -9.9547E+03 | 9.1417E+03 | -3.6209E+03 |
| S8 | -5.2889E-01 | 1.1981E+00 | -2.6882E+00 | -3.8379E+00 | 5.3620E+01 | -1.8552E+02 | 3.3017E+02 | -3.0138E+02 | 1.1038E+02 |
| S9 | 6.7489E-02 | 1.9231E-01 | -1.4388E+00 | 5.4048E+00 | -1.2732E+01 | 1.7878E+01 | -1.4365E+01 | 6.0946E+00 | -1.0591E+00 |
| S10 | 3.5420E-03 | 3.9306E-02 | -2.6497E-01 | 3.2706E-01 | 8.6074E-01 | -2.8954E+00 | 3.3950E+00 | -1.8715E+00 | 4.0985E-01 |
| S11 | 2.4055E-01 | -1.0797E+00 | 3.6250E+00 | -8.8478E+00 | 1.4362E+01 | -1.5778E+01 | 1.1455E+01 | -4.7110E+00 | 7.3793E-01 |
| S12 | 6.4694E-01 | -1.8996E+00 | 5.7095E+00 | -1.2257E+01 | 1.8319E+01 | -1.9094E+01 | 1.3226E+01 | -5.3331E+00 | 9.2450E-01 |
| S13 | -9.6433E-01 | 5.6077E-01 | 1.4284E+00 | -5.2023E+00 | 7.7752E+00 | -6.7541E+00 | 3.5494E+00 | -1.0388E+00 | 1.2879E-01 |
| S14 | -6.2520E-01 | 1.1342E+00 | -1.5098E+00 | 1.3865E+00 | -8.7583E-01 | 3.7199E-01 | -1.0106E-01 | 1.5779E-02 | -1.0700E-03 |
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 systemLearn total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -7.98 | f6(mm) | 1.85 |
| f2(mm) | -72.73 | f7(mm) | -1.79 |
| f3(mm) | 2.17 | f(mm) | 1.88 |
| f4(mm) | -7.24 | TTL(mm) | 4.92 |
| f5(mm) | 8.26 | HFOV(°) | 46.7 |
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imaging system of embodiment 5, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imaging system of embodiment 5, indicates meridianCurvature of the image and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imaging system of embodiment 5, indicates differentDistortion sizes values corresponding to field angle.Figure 10 D shows the ratio chromatism, curve of the optical imaging system of embodiment 5, tableShow light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 10 A to Figure 10 D it is found that embodiment 5 is givenOptical imaging system out can be realized good image quality.
Embodiment 6
The optical imaging system according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 shows rootAccording to the structural schematic diagram of the optical imaging system of the embodiment of the present application 6.
As shown in figure 11, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 hasPositive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 isConcave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive 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 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 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 system of embodiment 6And 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 E7It 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 eachAspherical 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 | 2.4782E-01 | -2.4498E-01 | 2.3568E-01 | -1.9045E-01 | 1.1696E-01 | -5.0080E-02 | 1.4023E-02 | -2.3100E-03 | 1.7200E-04 |
| S2 | 3.2974E-02 | 1.8954E-02 | -3.3568E-01 | 7.1738E-01 | -7.6271E-01 | 4.7429E-01 | -1.7574E-01 | 3.6097E-02 | -3.1700E-03 |
| S3 | -1.8902E-01 | 5.3499E-01 | 9.7843E-02 | -3.4400E+00 | 9.0017E+00 | -1.1818E+01 | 8.6223E+00 | -3.3349E+00 | 5.3585E-01 |
| S4 | 1.1463E-01 | 4.6816E-01 | -2.4350E-01 | 1.0724E+00 | -1.3487E+01 | 4.9737E+01 | -8.2473E+01 | 6.3391E+01 | -1.8370E+01 |
| S5 | -3.6850E-02 | -1.5802E+00 | 2.6950E+01 | -4.0589E+02 | 3.5776E+03 | -1.9288E+04 | 6.1774E+04 | -1.0807E+05 | 7.9302E+04 |
| S6 | -7.7624E-01 | 9.3912E+00 | -6.8412E+01 | 2.7392E+02 | -1.8327E+02 | -3.5469E+03 | 1.6737E+04 | -3.1994E+04 | 2.3391E+04 |
| S7 | -1.0498E+00 | 7.9059E+00 | -6.2713E+01 | 3.5504E+02 | -1.3617E+03 | 3.4766E+03 | -5.6673E+03 | 5.4029E+03 | -2.3288E+03 |
| S8 | -4.1924E-01 | 2.2121E-01 | 7.3359E-01 | -1.6286E+00 | -8.9980E+00 | 6.9365E+01 | -2.0106E+02 | 2.8817E+02 | -1.6566E+02 |
| S9 | 1.3514E-01 | 1.2093E-01 | -3.0459E+00 | 1.9129E+01 | -6.6891E+01 | 1.4278E+02 | -1.8681E+02 | 1.3878E+02 | -4.4932E+01 |
| S10 | 3.5420E-03 | 3.9306E-02 | -2.6497E-01 | 3.2706E-01 | 8.6074E-01 | -2.8954E+00 | 3.3950E+00 | -1.8715E+00 | 4.0985E-01 |
| S11 | 2.0824E-01 | -9.1058E-01 | 3.7597E+00 | -1.1490E+01 | 2.3188E+01 | -3.1844E+01 | 2.9008E+01 | -1.5436E+01 | 3.5383E+00 |
| S12 | 5.6949E-01 | -1.2951E+00 | 3.6483E+00 | -7.7230E+00 | 1.1323E+01 | -1.1681E+01 | 8.0841E+00 | -3.2001E+00 | 5.1925E-01 |
| S13 | -1.0815E+00 | 1.3086E+00 | -1.0525E+00 | -4.4908E-01 | 2.0723E+00 | -2.3713E+00 | 1.4435E+00 | -4.5705E-01 | 5.7207E-02 |
| S14 | -5.9881E-01 | 1.1455E+00 | -1.7000E+00 | 1.7808E+00 | -1.2916E+00 | 6.2950E-01 | -1.9585E-01 | 3.5022E-02 | -2.7300E-03 |
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 systemLearn total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -7.46 | f6(mm) | 1.83 |
| f2(mm) | 91.30 | f7(mm) | -1.75 |
| f3(mm) | 2.22 | f(mm) | 1.87 |
| f4(mm) | -8.21 | TTL(mm) | 4.96 |
| f5(mm) | 9.07 | HFOV(°) | 45.9 |
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imaging system of embodiment 6, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imaging system of embodiment 6, indicates meridianCurvature of the image and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imaging system of embodiment 6, indicates differentDistortion sizes values corresponding to field angle.Figure 12 D shows the ratio chromatism, curve of the optical imaging system of embodiment 6, tableShow light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 12 A to Figure 12 D it is found that embodiment 6 is givenOptical imaging system out can be realized good image quality.
Embodiment 7
The optical imaging system according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 shows rootAccording to the structural schematic diagram of the optical imaging system of the embodiment of the present application 7.
As shown in figure 13, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 hasNegative 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 isConvex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive 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 positive light coke,Its object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 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 system of embodiment 7And 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 E7It 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 eachAspherical 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 | 2.3661E-01 | -2.0345E-01 | 1.5226E-01 | -7.9380E-02 | 1.4550E-02 | 1.3265E-02 | -1.0410E-02 | 2.9050E-03 | -3.0000E-04 |
| S2 | 2.7502E-02 | -5.8630E-02 | 4.8450E-02 | -4.7600E-02 | 8.4706E-02 | -8.4100E-02 | 4.0880E-02 | -9.4700E-03 | 8.3000E-04 |
| S3 | -1.5638E-01 | 2.0605E-02 | 2.3702E+00 | -8.6830E+00 | 1.6515E+01 | -1.8820E+01 | 1.2726E+01 | -4.6952E+00 | 7.2847E-01 |
| S4 | 1.7553E-01 | -7.8970E-02 | 2.5232E+00 | -5.7835E+00 | -5.4124E+00 | 5.2849E+01 | -1.0628E+02 | 9.0943E+01 | -2.8710E+01 |
| S5 | 4.2866E-02 | 1.7011E+00 | -4.7270E+01 | 6.3312E+02 | -5.2917E+03 | 2.7597E+04 | -8.7639E+04 | 1.5479E+05 | -1.1670E+05 |
| S6 | -1.0896E+00 | 1.3431E+01 | -9.0578E+01 | 2.5478E+02 | 7.8706E+02 | -9.4930E+03 | 3.4501E+04 | -5.9172E+04 | 4.0358E+04 |
| S7 | -1.1903E+00 | 1.1682E+01 | -9.5403E+01 | 5.2139E+02 | -1.8947E+03 | 4.5058E+03 | -6.7066E+03 | 5.6766E+03 | -2.0991E+03 |
| S8 | -5.8093E-01 | 9.4483E-01 | 1.6402E+00 | -3.6042E+01 | 1.9799E+02 | -5.7426E+02 | 9.4621E+02 | -8.2981E+02 | 2.9882E+02 |
| S9 | 1.2309E-01 | 3.8331E-01 | -2.5147E+00 | 8.4399E+00 | -1.8978E+01 | 2.7322E+01 | -2.3873E+01 | 1.1495E+01 | -2.3319E+00 |
| S10 | 3.5420E-03 | 3.9306E-02 | -2.6497E-01 | 3.2706E-01 | 8.6074E-01 | -2.8954E+00 | 3.3950E+00 | -1.8715E+00 | 4.0985E-01 |
| S11 | 2.6030E-01 | -1.0733E+00 | 2.9602E+00 | -6.2361E+00 | 8.8013E+00 | -7.6591E+00 | 3.9155E+00 | -1.0807E+00 | 1.2460E-01 |
| S12 | 5.9688E-01 | -1.3727E+00 | 3.3750E+00 | -5.3554E+00 | 4.3120E+00 | -5.7979E-01 | -1.5990E+00 | 1.0954E+00 | -2.2596E-01 |
| S13 | -1.1016E+00 | 8.0734E-01 | 5.7058E-01 | -2.4924E+00 | 2.4522E+00 | -4.7275E-01 | -7.6904E-01 | 5.6184E-01 | -1.2015E-01 |
| S14 | -7.0291E-01 | 1.2685E+00 | -1.6823E+00 | 1.5631E+00 | -1.0136E+00 | 4.4774E-01 | -1.2796E-01 | 2.1242E-02 | -1.5500E-03 |
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 systemLearn total length TTL and maximum angle of half field-of view HFOV.
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imaging system of embodiment 7, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imaging system of embodiment 7, indicates meridianCurvature of the image and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imaging system of embodiment 7, indicates differentDistortion sizes values corresponding to field angle.Figure 14 D shows the ratio chromatism, curve of the optical imaging system of embodiment 7, tableShow light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 14 A to Figure 14 D it is found that embodiment 7 is givenOptical imaging system out can be realized good image quality.
Embodiment 8
The optical imaging system according to the embodiment of the present application 8 is described referring to Figure 15 to Figure 16 D.Figure 15 shows rootAccording to the structural schematic diagram of the optical imaging system of the embodiment of the present application 8.
As shown in figure 15, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 hasPositive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 isConvex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.TheFive 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 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 system of embodiment 8And 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 E7It 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 eachAspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
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 systemLearn total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -7.71 | f6(mm) | 1.60 |
| f2(mm) | 1976.39 | f7(mm) | -1.64 |
| f3(mm) | 2.03 | f(mm) | 1.85 |
| f4(mm) | -10.21 | TTL(mm) | 4.95 |
| f5(mm) | -1132.83 | HFOV(°) | 45.2 |
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imaging system of embodiment 8, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imaging system of embodiment 8, indicates meridianCurvature of the image and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imaging system of embodiment 8, indicates differentDistortion sizes values corresponding to field angle.Figure 16 D shows the ratio chromatism, curve of the optical imaging system of embodiment 8, tableShow light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 16 A to Figure 16 D it is found that embodiment 8 is givenOptical imaging system out can be realized good image quality.
Embodiment 9
The optical imaging system according to the embodiment of the present application 9 is described referring to Figure 17 to Figure 18 D.Figure 17 shows rootsAccording to the structural schematic diagram of the optical imaging system of the embodiment of the present application 9.
As shown in figure 17, according to the optical imaging system of the application illustrative embodiments along optical axis by object side to image side according toSequence 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 thoroughlyMirror E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is concave surface.Second lens E2 hasNegative 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 isConvex 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.TheFive 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 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 convex surface, asSide S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremelyS16 is simultaneously ultimately imaged on imaging surface S17.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging system of embodiment 9And 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 of any one lens of the first lens E1 into the 7th lens E7It is aspherical with image side surface.Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 9, wherein eachAspherical 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 | 2.5386E-01 | -2.4898E-01 | 2.3901E-01 | -1.9477E-01 | 1.1742E-01 | -4.6030E-02 | 1.0921E-02 | -1.4600E-03 | 9.4700E-05 |
| S2 | 4.2131E-02 | 1.7001E-02 | -4.3498E-01 | 9.3910E-01 | -9.8117E-01 | 5.9547E-01 | -2.1622E-01 | 4.3927E-02 | -3.8400E-03 |
| S3 | -2.0007E-01 | 7.6422E-01 | -8.9461E-01 | -1.4214E+00 | 6.9282E+00 | -1.1063E+01 | 9.0125E+00 | -3.7537E+00 | 6.3664E-01 |
| S4 | 1.4375E-01 | 8.0836E-01 | -1.9876E+00 | 7.7417E+00 | -3.6183E+01 | 1.1141E+02 | -1.8858E+02 | 1.5764E+02 | -5.0350E+01 |
| S5 | 9.2889E-02 | -2.2941E+00 | 5.7143E+01 | -8.6923E+02 | 7.7283E+03 | -4.1681E+04 | 1.3384E+05 | -2.3565E+05 | 1.7514E+05 |
| S6 | -1.7741E+00 | 1.4967E+01 | -8.6312E+01 | 3.6538E+02 | -1.1254E+03 | 2.2923E+03 | -2.6258E+03 | 1.1004E+03 | 2.7990E+02 |
| S7 | -7.7270E-01 | 4.8648E-01 | 2.2652E+01 | -2.0350E+02 | 9.6929E+02 | -2.9524E+03 | 5.6894E+03 | -6.2445E+03 | 2.9511E+03 |
| S8 | 2.5281E-01 | -8.1773E+00 | 5.8238E+01 | -2.6503E+02 | 8.5840E+02 | -1.9679E+03 | 2.9775E+03 | -2.6099E+03 | 9.9099E+02 |
| S9 | 7.2617E-01 | -3.7285E+00 | 1.2946E+01 | -4.0496E+01 | 1.5932E+02 | -5.1251E+02 | 9.7738E+02 | -9.6752E+02 | 3.8654E+02 |
| S10 | 3.5420E-03 | 3.9306E-02 | -2.6497E-01 | 3.2706E-01 | 8.6074E-01 | -2.8954E+00 | 3.3950E+00 | -1.8715E+00 | 4.0985E-01 |
| S11 | 1.3263E-01 | -1.3467E+00 | 6.7875E+00 | -1.9743E+01 | 3.8110E+01 | -5.3915E+01 | 5.5018E+01 | -3.4507E+01 | 9.4642E+00 |
| S12 | 4.8813E-01 | -1.4055E+00 | 5.0591E+00 | -1.2846E+01 | 2.4489E+01 | -3.4955E+01 | 3.3292E+01 | -1.7906E+01 | 4.0259E+00 |
| S13 | -1.0968E+00 | 1.2363E+00 | -7.3490E-02 | -2.8816E+00 | 4.9842E+00 | -4.3512E+00 | 2.2621E+00 | -6.7034E-01 | 8.7263E-02 |
| S14 | -6.2057E-01 | 1.1810E+00 | -1.6010E+00 | 1.4733E+00 | -9.2489E-01 | 3.8916E-01 | -1.0478E-01 | 1.6268E-02 | -1.1000E-03 |
Table 26
Table 27 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 9, optical imaging systemLearn total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -7.46 | f6(mm) | 1.77 |
| f2(mm) | -93.94 | f7(mm) | -1.71 |
| f3(mm) | 2.41 | f(mm) | 1.85 |
| f4(mm) | 1008.45 | TTL(mm) | 4.95 |
| f5(mm) | 27.21 | HFOV(°) | 45.1 |
Table 27
Figure 18 A shows chromatic curve on the axis of the optical imaging system of embodiment 9, indicates the light warp of different wave lengthDeviateed by the converging focal point after camera lens.Figure 18 B shows the astigmatism curve of the optical imaging system of embodiment 9, indicates meridianCurvature of the image and sagittal image surface bending.Figure 18 C shows the distortion curve of the optical imaging system of embodiment 9, indicates differentDistortion sizes values corresponding to field angle.Figure 18 D shows the ratio chromatism, curve of the optical imaging system of embodiment 9, tableShow light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 18 A to Figure 18 D it is found that embodiment 9 is givenOptical imaging system out can be realized good image quality.
To sum up, embodiment 1 to embodiment 9 meets relationship shown in table 28 respectively.
Table 28
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementationProperty matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible toThe image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imagery system described aboveSystem.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the artMember 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 characteristicScheme, 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 featureAny combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed hereinCan technical characteristic replaced mutually and the technical solution that is formed.