CN209215721U - Optical imaging lens group - Google Patents

Optical imaging lens group Download PDF

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Publication number
CN209215721U
CN209215721U CN201822031878.8U CN201822031878U CN209215721U CN 209215721 U CN209215721 U CN 209215721U CN 201822031878 U CN201822031878 U CN 201822031878U CN 209215721 U CN209215721 U CN 209215721U
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lens
optical imaging
lens group
object side
imaging lens
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贺凌波
李艳萍
戴付建
赵烈烽
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Abstract

This application discloses a kind of optical imaging lens group, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens and the 5th lens by object side to image side along optical axis.First lens have positive light coke；Second lens have focal power；The third lens have negative power, and object side is concave surface, and image side surface is convex surface；4th lens have focal power, and object side is convex surface, and image side surface is concave surface；5th lens have focal power；And the effective focal length f3 of the third lens and total effective focal length f of optical imaging lens group meet -4.5 < f3/f≤- 3.0.

Description

Optical imaging lens group
Technical field
This application involves a kind of optical imaging lens groups, more specifically, this application involves a kind of light including five lens It studies as lens group.
Background technique
With flourishing for science and technology, charge coupled device (charge-coupled device, CCD) and complementary The property of metal-oxide semiconductor (MOS) (complementary metal-oxide semiconductor, CMOS) imaging sensor It can be continuously improved, size is gradually reduced, and pick-up lens correspondingly is required the characteristics of meeting high pixel and compact simultaneously.
In previous design, in order to meet the compact feature of optical lens, need to be reduced as far as imaging lens Number of lenses causes the shortage of Optical System Design freedom degree, it is made to be difficult to meet the needs of market is to high imaging performance.And And in five common at present chip optics focal length systems, the thickness of optical mirror slip is larger, and the variation tendency of face type is obvious, unfavorable It is formed in lens, while be easy to causeing optical system too sensitive.In addition, under the conditions of identical optical length, optical mirror slip Thickness is excessive, and to will lead to optic back focal shorter, it is difficult to process.
Utility model content
This application provides can at least solve or part solve the optics of at least one above-mentioned disadvantage in the prior art at As lens group, for example, telephoto lens.
On the one hand, this application provides such a optical imaging lens group, the lens group is along optical axis by object side to image side It sequentially include: the first lens, the second lens, the third lens, the 4th lens and the 5th lens.First lens can have positive light focus Degree；Second lens have positive light coke or negative power；The third lens can have negative power, and object side can be concave surface, as Side can be convex surface；4th lens have positive light coke or negative power, and object side can be convex surface, and image side surface can be concave surface； 5th lens have positive light coke or negative power.Wherein, the effective focal length f3 of the third lens and optical imaging lens group is total Effective focal length f can meet -4.5 < f3/f≤- 3.0.
In one embodiment, the curvature of the object side of the radius of curvature R 1 and the 4th lens of the object side of the first lens Radius R7 can meet 0.5 < R1/R7 < 2.0.
In one embodiment, the curvature of the object side of the radius of curvature R 6 and the third lens of the image side surface of the third lens Radius R5 can meet 1.0 < R6/R5 < 1.6.
In one embodiment, the maximum effective radius DT21 of the object side of the second lens and the object side of the third lens Maximum effective radius DT31 can meet 0≤DT21/DT31 < 1.5.
In one embodiment, the combined focal length f12 of the first lens and the second lens and optical imaging lens group is total Effective focal length f can meet 1.0≤f12/f < 2.0.
In one embodiment, the object side of the first lens to optical imaging lens group imaging surface on optical axis away from Total effective focal length f from TTL and optical imaging lens group can meet TTL/f≤1.0.
In one embodiment, the object side of the first lens to optical imaging lens group imaging surface on optical axis away from The shortest distance FFL of imaging surface from the image side surface of TTL and the 5th lens to optical imaging lens group can meet (TTL-FFL)/ TTL≤0.5。
In one embodiment, optical imaging lens group further includes diaphragm, the imaging of diaphragm to optical imaging lens group The imaging surface of distance SL of the face on optical axis and the object side of the first lens to optical imaging lens group distance TTL on optical axis 0.5 < SL/TTL < 1.0 can be met.
In one embodiment, optical imaging lens group further includes diaphragm, and the image side surface of diaphragm to the 5th lens is in light The image side surface of distance SD on axis and the object side of the first lens to the 5th lens distance TD on optical axis can meet 0.5 < SD/TD < 1.0.
In one embodiment, center thickness CT3, fourth lens center on optical axis of the third lens on optical axis The summation ∑ CT of thickness CT4 and the first lens to the 5th the lens center thickness on optical axis respectively can meet 0 < (CT3+ CT4)/∑CT≤0.5。
In one embodiment, the spacing distance T34 and the first lens of the third lens and the 4th lens on optical axis be extremely The summation ∑ AT of spacing distance of two lens of arbitrary neighborhood on optical axis can meet 0≤T34/ ∑ AT < 0.5 in 5th lens.
On the other hand, this application provides such a optical imaging lens group, the lens group is along optical axis by object side to picture Side sequentially includes: the first lens, the second lens, the third lens, the 4th lens and the 5th lens.First lens can have positive light focus Degree；Second lens have positive light coke or negative power；The third lens can have negative power, and object side can be concave surface, as Side can be convex surface；4th lens have positive light coke or negative power, and object side can be convex surface, and image side surface can be concave surface； 5th lens have positive light coke or negative power.Wherein, the object side of the first lens to optical imaging lens group imaging surface Total effective focal length f of distance TTL and optical imaging lens group on optical axis can meet TTL/f≤1.0.
Another aspect, this application provides such a optical imaging lens groups, and the lens group is along optical axis by object side to picture Side sequentially includes: the first lens, the second lens, the third lens, the 4th lens and the 5th lens.First lens can have positive light focus Degree；Second lens have positive light coke or negative power；The third lens can have negative power, and object side can be concave surface, as Side can be convex surface；4th lens have positive light coke or negative power, and object side can be convex surface, and image side surface can be concave surface； 5th lens have positive light coke or negative power.Wherein, the maximum effective radius DT21 and third of the object side of the second lens The maximum effective radius DT31 of the object side of lens can meet 0≤DT21/DT31 < 1.5.
Another aspect, this application provides such a optical imaging lens groups, and the lens group is along optical axis by object side to picture Side sequentially includes: the first lens, the second lens, the third lens, the 4th lens and the 5th lens.First lens can have positive light focus Degree；Second lens have positive light coke or negative power；The third lens can have negative power, and object side can be concave surface, as Side can be convex surface；4th lens have positive light coke or negative power, and object side can be convex surface, and image side surface can be concave surface； 5th lens have positive light coke or negative power.Wherein, the object side of the first lens to optical imaging lens group imaging surface The shortest distance FFL of imaging surface of the image side surface of distance TTL on optical axis and the 5th lens to optical imaging lens group can expire Foot (TTL-FFL)/TTL≤0.5.
The application use five lens, by each power of lens of reasonable distribution, face type, each lens center thickness And spacing etc. on the axis between each lens, so that above-mentioned optical imaging lens group has focal length, high imaging quality, optical mirror slip At least one beneficial effect such as compact-sized and back focal length.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates the astigmatism curve, distortion curve, multiplying power color of the optical imaging lens group of embodiment 1 Poor curve and relative illumination curve；
Fig. 3 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates the astigmatism curve, distortion curve, multiplying power color of the optical imaging lens group of embodiment 2 Poor curve and relative illumination curve；
Fig. 5 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates the astigmatism curve, distortion curve, multiplying power color of the optical imaging lens group of embodiment 3 Poor curve and relative illumination curve；
Fig. 7 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates the astigmatism curve, distortion curve, multiplying power color of the optical imaging lens group of embodiment 4 Poor curve and relative illumination curve；
Fig. 9 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrates the astigmatism curve of the optical imaging lens group of embodiment 5, distortion curve, multiplying power Chromatic curve and relative illumination curve；
Figure 11 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrates the astigmatism curve of the optical imaging lens group of embodiment 6, distortion curve, multiplying power Chromatic curve and relative illumination curve；
Figure 13 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrates the astigmatism curve of the optical imaging lens group of embodiment 7, distortion curve, multiplying power Chromatic curve and relative illumination curve；
Figure 15 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrates the astigmatism curve of the optical imaging lens group of embodiment 8, distortion curve, multiplying power Chromatic curve and relative illumination curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as the lens near the surface of object Object side, each lens are known as the image side surface of the lens near the surface of imaging surface.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more Other features, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative " It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imaging lens group according to the application illustrative embodiments may include such as five saturating with focal power Mirror, that is, the first lens, the second lens, the third lens, the 4th lens and the 5th lens.This five lens are along optical axis by object side To image side sequential, and can have airspace between each adjacent lens.
In the exemplary embodiment, the first lens can have positive light coke；Second lens have positive light coke or negative light Focal power；The third lens can have negative power, and object side can be concave surface, and image side surface can be convex surface；4th lens have positive light Focal power or negative power, object side can be convex surface, and image side surface can be concave surface；5th lens have positive light coke or negative light focus Degree.Make the first lens with positive light coke and make the second lens that there is positive light coke or negative power, is conducive to increase field angle, Incidence angle of the compression light at stop position is also helped simultaneously, and can reduce pupil aberration, improves image quality；Make third Lens have negative power, and make its object side concave surface and image side surface is convex surface, are conducive to the spherical aberration and astigmatism of reduction system； The object side convex surface and image side surface for making the 4th lens are concave surface, and the 5th lens is made to have positive light coke or negative power, are had Conducive to the optical lens structure that realization is compact, and it is advantageously implemented longer rear burnt.To sum up, by the first lens to Five lens carry out focal power and face type distribution as described above, help to realize the telephoto lens of compact type, and can make this Kind lens construction has good image quality and preferable processing characteristics.
In the exemplary embodiment, the object side of the first lens can be convex surface.
In the exemplary embodiment, the image side surface of the second lens 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 optical imaging lens group of the application can meet -4.5 < f3/f of conditional≤- 3.0, wherein f3 is the effective focal length of the third lens, and f is total effective focal length of optical imaging lens group.More specifically, f3 and f - 4.26≤f3/f≤- 3.02 can further be met.By rationally controlling the focal power of the third lens, it can not only make the third lens Undertake negative power required for optical imaging lens group, it is also ensured that the spherical aberration contribution amount of the third lens is in rationally controllable In range, guarantee that back lens can rationally correct the positive spherical aberration of its contribution, and then regard on the axis of guarantee optical imaging lens group Field has preferable image quality.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0.5 < R1/R7 < 2.0 of conditional, Wherein, R1 is the radius of curvature of the object side of the first lens, and R7 is the radius of curvature of the object side of the 4th lens.More specifically, R1 and R7 can further meet 0.80≤R1/R7≤1.66.By the radius of curvature and the 4th for constraining the object side of the first lens The range of the radius of curvature of the object side of lens can control the coma contribution rate of the first lens and the 4th lens reasonable In range, so can coma caused by active balance front end/back lens, obtain good image quality.
In the exemplary embodiment, the optical imaging lens group of the application can meet 1.0 < R6/R5 < 1.6 of conditional, Wherein, R6 is the radius of curvature of the image side surface of the third lens, and R5 is the radius of curvature of the object side of the third lens.More specifically, R6 and R5 can further meet 1.3 < R6/R5 < 1.6, such as 1.42≤R6/R5≤1.51.By the object for limiting the third lens The aspherical thickness ratio of the third lens can be effectively controlled in the ratio range of the radius of curvature of the radius of curvature and image side surface of side Tendency, and can make the third lens that there is characteristic easy to process.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0≤DT21/DT31 of conditional < 1.5, wherein DT21 is the maximum effective radius of the object side of the second lens, and DT31 is that the maximum of the object side of the third lens has Imitate radius.More specifically, DT21 and DT31 can further meet 0≤DT21/DT31 < 1.3, such as 0.30≤DT21/DT31≤ 1.18.By the ratio for limiting the maximum effective radius of the second lens object side and the maximum effective radius of the third lens object side Range, can operative constraint the second lens and the third lens shape, while can also improving optical imaging lens group illumination characteristic.
In the exemplary embodiment, the optical imaging lens group of the application can meet conditional (TTL-FFL)/TTL≤ 0.5, wherein TTL is the object side of the first lens to distance of the imaging surface on optical axis of optical imaging lens group, FFL the The image side surface of five lens to optical imaging lens group imaging surface the shortest distance.More specifically, TTL and FFL can further expire 0.3≤(TTL-FFL)/TTL≤0.5 of foot, such as 0.39≤(TTL-FFL)/TTL≤0.46.Meet conditional (TTL-FFL)/ TTL≤0.5, it is ensured that the compact of optical imaging lens group optical texture, and processing performance can be met, while also ensuring tool There is sufficient back focal length degree.
In the exemplary embodiment, above-mentioned optical imaging lens group may also include diaphragm, with promoted camera lens at image quality Amount.Optionally, diaphragm may be provided between the first lens and the second lens.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0.5 < SL/TTL < of conditional 1.0, wherein SL is imaging surface distance on optical axis of the diaphragm to optical imaging lens group, and TTL is the object side of the first lens To distance of the imaging surface on optical axis of optical imaging lens group.More specifically, SL and TTL can further meet 0.85≤SL/ TTL≤0.88.By selecting suitable stop position that it is made to meet 0.5 < SL/TTL < 1.0 of conditional, optics can be effectively corrected The aberration related with diaphragm (coma, astigmatism, distortion and axial chromatic aberration) of imaging lens group.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0.5 < SD/TD < 1.0 of conditional, Wherein, SD is image side surface distance on optical axis of the diaphragm to the 5th lens, and TD is the object side of the first lens to the 5th lens Distance of the image side surface on optical axis.More specifically, SD and TD can further meet 0.62≤SD/TD≤0.68.Pass through control Center thickness of first lens on optical axis simultaneously selects suitable stop position, can effectively ensure that the first power of lens is Just, and the aberration related with diaphragm (coma, astigmatism, distortion and axial chromatic aberration) of optical imaging lens group can be effectively corrected.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0 < of conditional (CT3+CT4)/∑ CT≤0.5, wherein CT3 is center thickness of the third lens on optical axis, and CT4 is center thickness of the 4th lens on optical axis, ∑ CT is the summation of the first lens to the 5th lens center thickness on optical axis respectively.More specifically, CT3, CT4 and ∑ CT into One step can meet 0.31≤(CT3+CT4)/∑ CT≤0.50.It, can by controlling the ratio range of the sum of CT3 and CT4 and ∑ CT The shape of operative constraint the third lens and the 4th lens, the residue after can also rationally controlling the third lens and the 4th lens balance are abnormal The range of change, so that optical imaging lens group is showed with good distortion.
In the exemplary embodiment, the optical imaging lens group of the application can meet conditional 0≤T34/ ∑ AT < 0.5, wherein T34 is the spacing distance of the third lens and the 4th lens on optical axis, and ∑ AT is the first lens into the 5th lens The summation of spacing distance of two lens of arbitrary neighborhood on optical axis.More specifically, T34 and ∑ AT can further meet 0.03≤ T34/∑AT≤0.43.By constrain T34 and ∑ AT ratio, can active balance optical imaging lens group the petzval curvature of field, 5 rank spherical aberrations and its spherochromatism, and then so that it is obtained good image quality and lower system sensitivity, while also ensuring light It studies as lens group has good processability.
In the exemplary embodiment, the optical imaging lens group of the application can meet 1.0≤f12/f of conditional < 2.0, Wherein, f12 is the combined focal length of the first lens and the second lens, and f is total effective focal length of optical imaging lens group.More specifically Ground, f12 and f can further meet 1.04≤f12/f≤1.76.Pass through the combined focal length of the first lens of control and second lens Range can rationally control the contribution range of focal power, and can rationally control the contribution rate to negative spherical aberration, can effectively put down The positive spherical aberration that the back lens that weigh generate.
In the exemplary embodiment, the optical imaging lens group of the application can meet conditional TTL/f≤1.0, wherein TTL is the object side of the first lens to distance of the imaging surface on optical axis of optical imaging lens group, and f is optical imaging lens group Total effective focal length.More specifically, TTL and f can further meet 0.5 TTL/f≤1.0 <, such as 0.94≤TTL/f≤ 0.99.By the ratio for controlling TTL and f, it is ensured that optical imaging lens group has the characteristic of telephoto lens.
Optionally, above-mentioned optical imaging lens group may also include optical filter for correcting color error ratio and/or for protecting Shield is located at the protection glass of the photosensitive element on imaging surface.
Multi-disc eyeglass can be used according to the optical imaging lens group of the above embodiment of the application, such as described above Five.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing Deng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imaging lens Head group, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Meanwhile optical imaging lens through the above configuration Head group can have focal length, high imaging quality, optical lens structure compact and the beneficial effects such as back focal length.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, first thoroughly Mirror, the second lens, the third lens, the 4th lens and each lens in the 5th lens object side and image side surface at least one A is aspherical mirror.The characteristics of non-spherical lens is: from lens centre to lens perimeter, curvature is consecutive variations.With from Lens centre has the spherical lens of constant curvature different to lens perimeter, and non-spherical lens has more preferably radius of curvature special Property, have the advantages that improve and distorts aberration and improvement astigmatic image error.After non-spherical lens, can eliminate as much as possible at As when the aberration that occurs, so as to improve image quality.Optionally, the first lens, the second lens, the third lens, the 4th thoroughly The object side and image side surface of mirror and each lens in the 5th lens are aspherical mirror.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where Under, the lens numbers for constituting optical imaging lens group can be changed, to obtain each result and advantage described in this specification.Example Such as, although being described by taking five lens as an example in embodiments, which is not limited to include five A lens.If desired, the optical imaging lens group may also include the lens of other quantity.
The specific implementation for being applicable to the optical imaging lens group of above embodiment is further described with reference to the accompanying drawings Example.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the optical imaging lens group of the embodiment of the present application 1.Fig. 1 shows basis The structural schematic diagram of the optical imaging lens group of the embodiment of the present application 1.
As shown in Figure 1, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 1 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 1 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of any one lens of the first lens E1 into the 5th lens E5 and image side surface are It is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical formula and is defined:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient ( It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1 The high-order coefficient A of mirror surface S1-S104、A6、A8、A10、A12、A14、A16、A18And A20。
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 2.0068E-02 1.0118E-03 -1.6876E-03 1.3697E-03 -8.4422E-04 4.0175E-04 -1.2952E-04 2.4220E-05 -2.0546E-06
S2 -8.1106E-04 3.7657E-02 -5.4693E-02 4.4963E-02 -2.3585E-02 8.0539E-03 -1.7494E-03 2.1916E-04 -1.2057E-05
S3 -4.4019E-02 1.9427E-01 -3.4926E-01 3.8051E-01 -2.6736E-01 1.2302E-01 -3.6053E-02 6.1320E-03 -4.6150E-04
S4 -6.7114E-02 3.0637E-01 -5.3381E-01 5.1129E-01 -2.4310E-01 1.1088E-02 4.9306E-02 -2.4434E-02 4.0776E-03
S5 6.0071E-02 1.2106E-01 -3.0425E-01 3.0561E-01 -1.4508E-01 1.5171E-02 1.6206E-02 -7.9522E-03 1.3478E-03
S6 -2.6723E-02 1.8039E-01 -4.3472E-01 5.5920E-01 -4.3451E-01 2.2905E-01 -8.9774E-02 2.5083E-02 -3.4697E-03
S7 3.8157E-02 -2.1059E-01 3.7307E-01 -5.9468E-01 7.3244E-01 -5.8252E-01 2.7797E-01 -7.1875E-02 7.6988E-03
S8 -5.4629E-02 -8.4462E-02 2.6582E-01 -4.3068E-01 4.5276E-01 -2.9717E-01 1.1297E-01 -2.1574E-02 1.4826E-03
S9 4.5262E-02 -2.1030E-02 1.7837E-01 -3.9856E-01 4.6002E-01 -3.1049E-01 1.1764E-01 -2.1500E-02 1.2280E-03
S10 6.5900E-02 1.1897E-03 4.5648E-02 -1.4851E-01 1.8630E-01 -1.3467E-01 5.8455E-02 -1.4068E-02 1.4372E-03
Table 2
Table 3 provides the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 1, total effective focal length f, light Learn total length TTL (that is, the distance of the object side S1 of the first lens E1 to imaging surface S13 on optical axis), optical imaging lens group Imaging surface S13 on effective pixel area diagonal line length half ImgH, maximum angle of half field-of view Semi-fov and F-number Fno。
f1(mm) 4.67 f(mm) 10.90
f2(mm) -4.56 TTL(mm) 10.22
f3(mm) -43.24 ImgH(mm) 2.50
f4(mm) 6.11 Semi-fov(°) 12.5
f5(mm) -9.32 Fno 3.09
Table 3
Optical imaging lens group in embodiment 1 meets following relationship:
F3/f=-3.97, wherein f3 is the effective focal length of the third lens E3, and f is total effective coke of optical imaging lens group Away from；
R1/R7=0.99, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, and R7 is the 4th lens E4's The radius of curvature of object side S7；
R6/R5=1.44, wherein R6 is the radius of curvature of the image side surface S6 of the third lens E3, and R5 is the third lens E3's The radius of curvature of object side S5；
DT21/DT31=1.14, wherein DT21 is the maximum effective radius of the object side S3 of the second lens E2, and DT31 is The maximum effective radius of the object side S5 of the third lens E3；
(TTL-FFL)/TTL=0.46, wherein the object side S1 that TTL is the first lens E1 to optical imaging lens group Distance of the imaging surface S13 on optical axis, FFL are the image side surface S10 of the 5th lens E5 to the imaging surface S13 of optical imaging lens group The shortest distance；
SL/TTL=0.85, wherein SL is imaging surface S13 distance on optical axis of the diaphragm to optical imaging lens group, The object side S1 that TTL is the first lens E1 to optical imaging lens group distance of the imaging surface S13 on optical axis；
SD/TD=0.64, wherein SD is image side surface S10 distance on optical axis of the diaphragm to the 5th lens E5, TD the Distance of the image side surface S10 of the object side S1 to the 5th lens E5 of one lens E1 on optical axis；
(CT3+CT4)/∑ CT=0.39, wherein CT3 is center thickness of the third lens E3 on optical axis, and CT4 is the 4th Center thickness of the lens E4 on optical axis, ∑ CT are the first lens E1 to the 5th lens E5 center thickness on optical axis respectively Summation；
T34/ ∑ AT=0.03, wherein T34 is the spacing distance of the third lens E3 and the 4th lens E4 on optical axis, ∑ AT is the summation of the first lens E1 spacing distance of two lens of arbitrary neighborhood on optical axis into the 5th lens E5；
F12/f=1.57, wherein f12 is the combined focal length of the first lens E1 and the second lens E2, and f is optical imaging lens Total effective focal length of head group；
TTL/f=0.94, wherein TTL is the object side S1 of the first lens E1 to the imaging surface S13 of optical imaging lens group Distance on optical axis, f are total effective focal length of optical imaging lens group.
Fig. 2A shows the astigmatism curve of the optical imaging lens group of embodiment 1, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Fig. 2 B shows the distortion curve of the optical imaging lens group of embodiment 1, indicates corresponding abnormal at different image heights Become sizes values.Fig. 2 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 1, after indicating light via camera lens The deviation of different image heights on imaging surface.Fig. 2 D shows the relative illumination curve of the optical imaging lens group of embodiment 1, It indicates the corresponding relative illumination of difference image height on imaging surface.According to fig. 2 A to Fig. 2 D it is found that optics given by embodiment 1 at As lens group can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imaging lens group of the embodiment of the present application 2.The present embodiment and with In lower embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application The structural schematic diagram of 2 optical imaging lens group.
As shown in figure 3, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface.Second lens E2 has Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 4 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 2 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of any one lens of the first lens E1 into the 5th lens E5 It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 provides the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 2, total effective focal length f, light Learn total length TTL, optical imaging lens group imaging surface S13 on effective pixel area diagonal line length half ImgH, maximum half Field angle Semi-fov and F-number Fno.
f1(mm) 4.44 f(mm) 10.32
f2(mm) -4.24 TTL(mm) 9.76
f3(mm) -43.00 ImgH(mm) 2.50
f4(mm) 5.88 Semi-fov(°) 13.2
f5(mm) -9.61 Fno 3.09
Table 6
Fig. 4 A shows the astigmatism curve of the optical imaging lens group of embodiment 2, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Fig. 4 B shows the distortion curve of the optical imaging lens group of embodiment 2, indicates corresponding abnormal at different image heights Become sizes values.Fig. 4 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 2, after indicating light via camera lens The deviation of different image heights on imaging surface.Fig. 4 D shows the relative illumination curve of the optical imaging lens group of embodiment 2, It indicates the corresponding relative illumination of difference image height on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optics given by embodiment 2 at As lens group can be realized good image quality.
Embodiment 3
The optical imaging lens group according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows root According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 3.
As shown in figure 5, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 7 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 3 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side of any one lens of the first lens E1 into the 5th lens E5 It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 8
Table 9 provides the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 3, total effective focal length f, light Learn total length TTL, optical imaging lens group imaging surface S13 on effective pixel area diagonal line length half ImgH, maximum half Field angle Semi-fov and F-number Fno.
f1(mm) 4.77 f(mm) 10.91
f2(mm) -4.68 TTL(mm) 10.23
f3(mm) -41.13 ImgH(mm) 2.47
f4(mm) 6.03 Semi-fov(°) 13.4
f5(mm) -9.36 Fno 3.09
Table 9
Fig. 6 A shows the astigmatism curve of the optical imaging lens group of embodiment 3, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Fig. 6 B shows the distortion curve of the optical imaging lens group of embodiment 3, indicates corresponding abnormal at different image heights Become sizes values.Fig. 6 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 3, after indicating light via camera lens The deviation of different image heights on imaging surface.Fig. 6 D shows the relative illumination curve of the optical imaging lens group of embodiment 3, It indicates the corresponding relative illumination of difference image height on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optics given by embodiment 3 at As lens group can be realized good image quality.
Embodiment 4
The optical imaging lens group according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows root According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 4 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 10
As shown in Table 10, in example 4, the object side of any one lens of the first lens E1 into the 5th lens E5 It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 11
Table 12 provide the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 4, total effective focal length f, Optics total length TTL, optical imaging lens group imaging surface S13 on the half ImgH of effective pixel area diagonal line length, maximum Angle of half field-of view Semi-fov and F-number Fno.
f1(mm) 14.07 f(mm) 11.76
f2(mm) 103.06 TTL(mm) 11.67
f3(mm) -43.35 ImgH(mm) 2.50
f4(mm) 29.04 Semi-fov(°) 11.8
f5(mm) -116.69 Fno 3.09
Table 12
Fig. 8 A shows the astigmatism curve of the optical imaging lens group of embodiment 4, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Fig. 8 B shows the distortion curve of the optical imaging lens group of embodiment 4, indicates corresponding abnormal at different image heights Become sizes values.Fig. 8 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 4, after indicating light via camera lens The deviation of different image heights on imaging surface.Fig. 8 D shows the relative illumination curve of the optical imaging lens group of embodiment 4, It indicates the corresponding relative illumination of difference image height on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optics given by embodiment 4 at As lens group can be realized good image quality.
Embodiment 5
The optical imaging lens group according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 shows root According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 5.
As shown in figure 9, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 5 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of any one lens of the first lens E1 into the 5th lens E5 It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 1.9849E-02 4.1123E-03 -1.5812E-03 -2.5199E-03 3.2968E-03 -1.7919E-03 5.3153E-04 -8.5196E-05 5.6597E-06
S2 -3.6402E-02 1.2234E-01 -1.3562E-01 8.2146E-02 -2.8437E-02 5.4926E-03 -6.3042E-04 6.7908E-05 -6.5761E-06
S3 -2.0465E-02 6.7171E-02 -4.2109E-02 -1.6157E-02 3.7046E-02 -2.1365E-02 5.8224E-03 -7.3034E-04 2.9297E-05
S4 3.4894E-02 -1.0886E-01 2.2143E-01 -2.1164E-01 8.2638E-02 1.1869E-02 -2.0748E-02 5.7356E-03 -3.6548E-04
S5 1.5559E-01 -3.0797E-01 5.1255E-01 -5.3675E-01 3.5348E-01 -1.5264E-01 4.6798E-02 -1.0658E-02 1.3964E-03
S6 6.3798E-02 -4.6202E-01 1.2799E+00 -1.8591E+00 1.6133E+00 -8.6393E-01 2.7993E-01 -5.0045E-02 3.7818E-03
S7 9.9284E-02 -6.6626E-01 1.6268E+00 -2.2998E+00 1.9878E+00 -1.0654E+00 3.4571E-01 -6.1860E-02 4.6355E-03
S8 -4.4549E-02 4.6873E-02 -2.9909E-01 7.9676E-01 -1.0988E+00 8.5873E-01 -3.8294E-01 9.0666E-02 -8.7938E-03
S9 -2.1434E-01 8.9218E-01 -2.0043E+00 3.2083E+00 -3.4252E+00 2.3275E+00 -9.6188E-01 2.1995E-01 -2.1292E-02
S10 -1.8683E-02 3.0147E-01 -5.8199E-01 7.9060E-01 -7.3417E-01 4.3565E-01 -1.5634E-01 3.0620E-02 -2.4713E-03
Table 14
Table 15 provide the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 5, total effective focal length f, Optics total length TTL, optical imaging lens group imaging surface S13 on the half ImgH of effective pixel area diagonal line length, maximum Angle of half field-of view Semi-fov and F-number Fno.
f1(mm) 6.20 f(mm) 11.04
f2(mm) -7.78 TTL(mm) 10.90
f3(mm) -45.87 ImgH(mm) 2.50
f4(mm) 28.69 Semi-fov(°) 12.5
f5(mm) 46.05 Fno 3.09
Table 15
Figure 10 A shows the astigmatism curve of the optical imaging lens group of embodiment 5, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Figure 10 B shows the distortion curve of the optical imaging lens group of embodiment 5, indicates corresponding at different image heights Distort sizes values.Figure 10 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 5, indicates light via mirror The deviation of different image heights after head on imaging surface.Figure 10 D shows the relative illumination of the optical imaging lens group of embodiment 5 Curve indicates the corresponding relative illumination of difference image height on imaging surface.According to Figure 10 A to Figure 10 D it is found that given by embodiment 5 Optical imaging lens group can be realized good image quality.
Embodiment 6
The optical imaging lens group according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 is shown According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 6.
As shown in figure 11, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 6 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side of any one lens of the first lens E1 into the 5th lens E5 It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 1.7790E-02 2.4356E-05 -2.1083E-03 1.5563E-03 -6.9878E-04 1.8604E-04 -2.9438E-05 2.5226E-06 -8.9406E-08
S2 -1.5073E-02 5.8529E-02 -6.0744E-02 3.3235E-02 -1.1291E-02 2.4209E-03 -3.1716E-04 2.3125E-05 -7.1763E-07
S3 -2.7339E-02 1.2409E-01 -1.4231E-01 1.0115E-01 -4.6015E-02 1.3544E-02 -2.5088E-03 2.6592E-04 -1.2268E-05
S4 1.2033E-02 6.1488E-02 -7.7915E-02 5.7058E-02 -2.1559E-02 3.6083E-03 1.2905E-04 -1.2429E-04 1.0995E-05
S5 9.8324E-02 -8.1507E-02 4.8618E-02 -2.4952E-02 1.4780E-02 -7.1900E-03 2.2025E-03 -3.6257E-04 2.4470E-05
S6 7.2506E-02 -3.9718E-02 -2.7088E-02 6.3850E-02 -5.2573E-02 2.6035E-02 -8.1141E-03 1.4714E-03 -1.1739E-04
S7 1.7210E-02 -4.9379E-02 2.8607E-02 -3.1537E-02 3.5352E-02 -2.2048E-02 7.5156E-03 -1.3294E-03 9.5346E-05
S8 -2.4308E-02 -1.2210E-02 -3.6768E-03 1.0317E-03 1.0397E-02 -1.0102E-02 4.1334E-03 -8.0901E-04 6.1977E-05
S9 -9.9676E-02 9.9877E-02 -6.9215E-02 4.3987E-02 -2.2228E-02 8.2157E-03 -2.0256E-03 2.9612E-04 -1.9211E-05
S10 -4.9550E-02 4.9492E-02 -2.6941E-02 1.3222E-02 -5.4096E-03 1.6268E-03 -3.0160E-04 2.5032E-05 8.1909E-08
Table 17
Table 18 provide the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 6, total effective focal length f, Optics total length TTL, optical imaging lens group imaging surface S13 on the half ImgH of effective pixel area diagonal line length, maximum Angle of half field-of view Semi-fov and F-number Fno.
f1(mm) 8.28 f(mm) 13.82
f2(mm) -14.34 TTL(mm) 13.68
f3(mm) -41.76 ImgH(mm) 2.70
f4(mm) 66.46 Semi-fov(°) 11.0
f5(mm) 46.08 Fno 3.09
Table 18
Figure 12 A shows the astigmatism curve of the optical imaging lens group of embodiment 6, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Figure 12 B shows the distortion curve of the optical imaging lens group of embodiment 6, indicates corresponding at different image heights Distort sizes values.Figure 12 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 6, indicates light via mirror The deviation of different image heights after head on imaging surface.Figure 12 D shows the relative illumination of the optical imaging lens group of embodiment 6 Curve indicates the corresponding relative illumination of difference image height on imaging surface.According to Figure 12 A to Figure 12 D it is found that given by embodiment 6 Optical imaging lens group can be realized good image quality.
Embodiment 7
The optical imaging lens group according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 is shown According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 7.
As shown in figure 13, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 7 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the object side of any one lens of the first lens E1 into the 5th lens E5 It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 2.7250E-02 9.3625E-03 -2.3229E-02 2.5062E-02 -1.4548E-02 4.4004E-03 -4.6723E-04 -7.1339E-05 1.5666E-05
S2 5.5887E-02 -2.5304E-02 -1.7572E-01 4.6654E-01 -5.3182E-01 3.3227E-01 -1.1839E-01 2.2591E-02 -1.7933E-03
S3 5.4800E-02 -1.4792E-01 1.8427E-01 -4.4060E-02 -1.1173E-01 1.2077E-01 -5.3611E-02 1.1491E-02 -9.7932E-04
S4 3.3120E-02 -1.7473E-01 5.6827E-01 -8.9887E-01 8.4600E-01 -5.2173E-01 2.1198E-01 -5.1639E-02 5.7392E-03
S5 2.4902E-02 1.7128E-01 -2.6476E-01 1.5670E-01 3.9250E-02 -1.4604E-01 1.1147E-01 -3.8410E-02 5.1939E-03
S6 -1.7020E-01 8.0753E-01 -1.7461E+00 2.4173E+00 -2.2773E+00 1.4547E+00 -6.0163E-01 1.4562E-01 -1.5681E-02
S7 -1.1547E-01 5.2030E-01 -1.1374E+00 1.3668E+00 -1.0247E+00 4.9426E-01 -1.4798E-01 2.4873E-02 -1.7985E-03
S8 -3.7292E-01 1.1363E+00 -2.0243E+00 2.1463E+00 -1.3886E+00 5.1563E-01 -8.1463E-02 -5.9243E-03 2.6391E-03
S9 -6.9422E-01 2.3720E+00 -4.1092E+00 4.6720E+00 -3.5967E+00 1.8292E+00 -5.7909E-01 1.0188E-01 -7.5215E-03
S10 -1.1485E-01 7.7982E-01 -1.4320E+00 1.7585E+00 -1.4512E+00 7.4330E-01 -2.1210E-01 2.6642E-02 -4.1452E-04
Table 20
Table 21 provide the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 7, total effective focal length f, Optics total length TTL, optical imaging lens group imaging surface S13 on the half ImgH of effective pixel area diagonal line length, maximum Angle of half field-of view Semi-fov and F-number Fno.
f1(mm) 5.36 f(mm) 10.14
f2(mm) -5.99 TTL(mm) 9.94
f3(mm) -43.20 ImgH(mm) 2.70
f4(mm) -36.74 Semi-fov(°) 14.4
f5(mm) 8.33 Fno 3.09
Table 21
Figure 14 A shows the astigmatism curve of the optical imaging lens group of embodiment 7, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Figure 14 B shows the distortion curve of the optical imaging lens group of embodiment 7, indicates corresponding at different image heights Distort sizes values.Figure 14 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 7, indicates light via mirror The deviation of different image heights after head on imaging surface.Figure 14 D shows the relative illumination of the optical imaging lens group of embodiment 7 Curve indicates the corresponding relative illumination of difference image height on imaging surface.According to Figure 14 A to Figure 14 D it is found that given by embodiment 7 Optical imaging lens group can be realized good image quality.
Embodiment 8
The optical imaging lens group according to the embodiment of the present application 8 is described referring to Figure 15 to Figure 16 D.Figure 15 is shown According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 8.
As shown in figure 15, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side Sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, filter Piece E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.Optical filter E6 have object side S11 and Image side surface S12.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged on imaging surface S13.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 8 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of any one lens of the first lens E1 into the 5th lens E5 It is aspherical with image side surface.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 2.2949E-02 5.3626E-03 -1.1795E-02 1.2479E-02 -8.3240E-03 3.4428E-03 -8.6359E-04 1.1774E-04 -6.6261E-06
S2 -8.3503E-02 2.4547E-01 -2.7379E-01 1.8197E-01 -7.8784E-02 2.2023E-02 -3.8128E-03 3.7138E-04 -1.5574E-05
S3 -5.5308E-02 2.3207E-01 -3.1363E-01 2.5468E-01 -1.3581E-01 4.8407E-02 -1.1102E-02 1.4764E-03 -8.6319E-05
S4 9.5378E-03 1.0916E-01 -2.8529E-01 3.8112E-01 -3.1648E-01 1.7229E-01 -5.9803E-02 1.2125E-02 -1.0973E-03
S5 8.6440E-02 -8.0258E-02 4.6717E-02 -1.0500E-02 -5.7233E-03 6.5421E-03 -2.6133E-03 5.1454E-04 -3.9872E-05
S6 4.5049E-02 -6.4712E-02 4.6963E-02 -8.7878E-03 -1.3232E-02 1.4112E-02 -6.4246E-03 1.4826E-03 -1.3827E-04
S7 9.2856E-02 -2.3825E-01 2.8003E-01 -2.6248E-01 1.8168E-01 -8.4896E-02 2.5469E-02 -4.4439E-03 3.4209E-04
S8 4.8680E-02 -2.2552E-01 2.9717E-01 -2.9966E-01 2.4003E-01 -1.3860E-01 5.2050E-02 -1.1122E-02 1.0153E-03
S9 -1.3163E-02 -1.1886E-02 1.3078E-01 -1.7653E-01 1.4857E-01 -9.1631E-02 3.7732E-02 -8.7979E-03 8.6154E-04
S10 8.0766E-03 1.3007E-02 6.5278E-02 -8.2199E-02 5.2245E-02 -2.6235E-02 1.0261E-02 -2.4285E-03 2.4335E-04
Table 23
Table 24 provide the effective focal length f1 to f5 of each lens of optical imaging lens group in embodiment 8, total effective focal length f, Optics total length TTL, optical imaging lens group imaging surface S13 on the half ImgH of effective pixel area diagonal line length, maximum Angle of half field-of view Semi-fov and F-number Fno.
f1(mm) 14.24 f(mm) 11.76
f2(mm) 130.62 TTL(mm) 11.63
f3(mm) -42.38 ImgH(mm) 2.70
f4(mm) 58.91 Semi-fov(°) 12.8
f5(mm) 66.56 Fno 3.09
Table 24
Figure 16 A shows the astigmatism curve of the optical imaging lens group of embodiment 8, indicates meridianal image surface bending and the sagitta of arc Curvature of the image.Figure 16 B shows the distortion curve of the optical imaging lens group of embodiment 8, indicates corresponding at different image heights Distort sizes values.Figure 16 C shows the ratio chromatism, curve of the optical imaging lens group of embodiment 8, indicates light via mirror The deviation of different image heights after head on imaging surface.Figure 16 D shows the relative illumination of the optical imaging lens group of embodiment 8 Curve indicates the corresponding relative illumination of difference image height on imaging surface.According to Figure 16 A to Figure 16 D it is found that given by embodiment 8 Optical imaging lens group can be realized good image quality.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 25 respectively.
Table 25
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, be also possible to The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic device is equipped with optical imaging lens described above Head group.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technologies scheme formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (22)

  1. It by object side to image side sequentially include: the first lens, the second lens, the third lens, along optical axis 1. optical imaging lens group Four lens and the 5th lens, which is characterized in that
    First lens have positive light coke；
    Second lens have focal power；
    The third lens have negative power, and object side is concave surface, and image side surface is convex surface；
    4th lens have focal power, and object side is convex surface, and image side surface is concave surface；
    5th lens have focal power；And
    The effective focal length f3 of the third lens and total effective focal length f of the optical imaging lens group meet -4.5 < f3/f ≤-3.0。
  2. 2. optical imaging lens group according to claim 1, which is characterized in that the curvature of the object side of first lens The radius of curvature R 7 of the object side of radius R1 and the 4th lens meets 0.5 < R1/R7 < 2.0.
  3. 3. optical imaging lens group according to claim 1, which is characterized in that the curvature of the image side surface of the third lens The radius of curvature R 5 of the object side of radius R6 and the third lens meets 1.0 < R6/R5 < 1.6.
  4. 4. optical imaging lens group according to claim 1, which is characterized in that the maximum of the object side of second lens The maximum effective radius DT31 of the object side of effective radius DT21 and the third lens meets 0≤DT21/DT31 < 1.5.
  5. 5. optical imaging lens group according to claim 1, which is characterized in that first lens and second lens Combined focal length f12 and the optical imaging lens group total effective focal length f meet 1.0≤f12/f < 2.0.
  6. 6. optical imaging lens group according to claim 5, which is characterized in that the object side of first lens is to described Total effective focal length f of distance TTL of the imaging surface of optical imaging lens group on the optical axis and the optical imaging lens group Meet TTL/f≤1.0.
  7. 7. optical imaging lens group according to any one of claim 1 to 6, which is characterized in that first lens Object side is to distance TTL of the imaging surface on the optical axis of the optical imaging lens group and the image side surface of the 5th lens Shortest distance FFL meets (TTL-FFL)/TTL≤0.5 on to the axis of the imaging surface of the optical imaging lens group.
  8. 8. optical imaging lens group according to any one of claim 1 to 6, which is characterized in that the optical imaging lens Head group further include diaphragm, distance SL of the imaging surface of the diaphragm to the optical imaging lens group on the optical axis with it is described Distance TTL of the imaging surface on the optical axis of the object side of first lens to the optical imaging lens group meets 0.5 < SL/ TTL < 1.0.
  9. 9. optical imaging lens group according to any one of claim 1 to 6, which is characterized in that the optical imaging lens Head group further includes diaphragm, and distance SD of the image side surface of the diaphragm to the 5th lens on the optical axis is saturating with described first Distance TD of the image side surface on the optical axis of the object side of mirror to the 5th lens meets 0.5 < SD/TD < 1.0.
  10. 10. optical imaging lens group according to any one of claim 1 to 6, which is characterized in that the third lens exist Center thickness CT3, center thickness CT4 of the 4th lens on the optical axis and first lens on the optical axis are extremely 5th lens respectively the center thickness on the optical axis summation ∑ CT meet 0 < (CT3+CT4)/∑ CT≤0.5.
  11. 11. optical imaging lens group according to any one of claim 1 to 6, which is characterized in that the third lens and 4th lens are in the spacing distance T34 and first lens arbitrary neighborhood two into the 5th lens on the optical axis The summation ∑ AT of spacing distance of the lens on the optical axis meets 0≤T34/ ∑ AT < 0.5.
  12. 12. optical imaging lens group, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens, 4th lens and the 5th lens, which is characterized in that
    First lens have positive light coke；
    Second lens have focal power；
    The third lens have negative power, and object side is concave surface, and image side surface is convex surface；
    4th lens have focal power, and object side is convex surface, and image side surface is concave surface；
    5th lens have focal power；And
    The object side of first lens to the optical imaging lens group distance TTL and institute of the imaging surface on the optical axis The total effective focal length f for stating optical imaging lens group meets TTL/f≤1.0.
  13. 13. optical imaging lens group according to claim 12, which is characterized in that the song of the object side of first lens The radius of curvature R 7 of the object side of rate radius R1 and the 4th lens meets 0.5 < R1/R7 < 2.0.
  14. 14. optical imaging lens group according to claim 12, which is characterized in that the song of the image side surface of the third lens The radius of curvature R 5 of the object side of rate radius R6 and the third lens meets 1.0 < R6/R5 < 1.6.
  15. 15. optical imaging lens group according to claim 12, which is characterized in that the object side of second lens is most The maximum effective radius DT31 of the object side of big effective radius DT21 and the third lens meets 0≤DT21/DT31 < 1.5.
  16. 16. optical imaging lens group according to claim 12, which is characterized in that first lens and described second are thoroughly The combined focal length f12 of mirror and total effective focal length f of the optical imaging lens group meet 1.0≤f12/f < 2.0.
  17. 17. optical imaging lens group according to claim 12, which is characterized in that the effective focal length f3 of the third lens Meet -4.5 < f3/f≤- 3.0 with total effective focal length f of the optical imaging lens group.
  18. 18. optical imaging lens group described in any one of 2 to 17 according to claim 1, which is characterized in that first lens Object side to distance TTL of the imaging surface on the optical axis of the optical imaging lens group and the image side of the 5th lens Face to the optical imaging lens group imaging surface shortest distance FFL meet (TTL-FFL)/TTL≤0.5.
  19. 19. optical imaging lens group described in any one of 2 to 17 according to claim 1, which is characterized in that the optical imagery Lens group further includes diaphragm, distance SL and institute of the imaging surface of the diaphragm to the optical imaging lens group on the optical axis It states distance TTL of the imaging surface of the object side of the first lens to the optical imaging lens group on the optical axis and meets 0.5 < SL/TTL < 1.0.
  20. 20. optical imaging lens group according to claim 19, which is characterized in that the diaphragm to the 5th lens The object side of distance SD of the image side surface on the optical axis and first lens to the 5th lens image side surface described Distance TD on optical axis meets 0.5 < SD/TD < 1.0.
  21. 21. optical imaging lens group described in any one of 2 to 17 according to claim 1, which is characterized in that the third lens Center thickness CT3, center thickness CT4 of the 4th lens on the optical axis and first lens on the optical axis To the 5th lens respectively the center thickness on the optical axis summation ∑ CT meet 0 < (CT3+CT4)/∑ CT≤0.5.
  22. 22. optical imaging lens group described in any one of 2 to 17 according to claim 1, which is characterized in that the third lens With the 4th lens in the spacing distance T34 and first lens arbitrary neighborhood into the 5th lens on the optical axis The summation ∑ AT of spacing distance of two lens on the optical axis meets 0≤T34/ ∑ AT < 0.5.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109298514A (en) * 2018-12-05 2019-02-01 浙江舜宇光学有限公司 Optical imaging lens group
CN112526706A (en) * 2019-09-17 2021-03-19 华为技术有限公司 Lens group, related equipment and related system
CN114911029A (en) * 2021-02-09 2022-08-16 三营超精密光电(晋城)有限公司 Optical imaging system, camera module and electronic device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109298514A (en) * 2018-12-05 2019-02-01 浙江舜宇光学有限公司 Optical imaging lens group
CN109298514B (en) * 2018-12-05 2024-06-18 浙江舜宇光学有限公司 Optical imaging lens group
CN112526706A (en) * 2019-09-17 2021-03-19 华为技术有限公司 Lens group, related equipment and related system
CN114911029A (en) * 2021-02-09 2022-08-16 三营超精密光电(晋城)有限公司 Optical imaging system, camera module and electronic device

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