CN209102995U - Optical imaging lens group - Google Patents

Optical imaging lens group Download PDF

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Publication number
CN209102995U
CN209102995U CN201821887479.5U CN201821887479U CN209102995U CN 209102995 U CN209102995 U CN 209102995U CN 201821887479 U CN201821887479 U CN 201821887479U CN 209102995 U CN209102995 U CN 209102995U
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lens
optical imaging
lens group
imaging lens
object side
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汤禹
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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, the 5th lens, the 6th lens, the 7th lens and the 8th lens with focal power by object side to image side along optical axis.Wherein, the third lens have negative power；The object side of 4th lens is concave surface, and image side surface is convex surface；8th lens have positive light coke.Total effective focal length f of optical imaging lens group and the Entry pupil diameters EPD of optical imaging lens group meet f/EPD < 2.

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 eight lens Learn imaging lens group.
Background technique
In recent years, with the promotion required mobile phone software and hardware, the image quality for the imaging lens for being equipped on mobile phone is mentioned Increasingly higher demands out.When shooting the scenery of distant place, it is desirable to clearly embody the detail of object, because And require mobile phone camera lens mounted can enlargement ratio with higher, clearly shot with the scenery to distant place.Thus, it is long Zoom lens are current one of the camera lenses using double smart phone camera lens indispensabilities for taking the photograph technology.
However, while with long-focus, it is also desirable that image captured by mobile phone can blur to a greater degree Background, with shot subject information prominent in mixed and disorderly environment.In addition, the eyeglass number that telephoto lens uses is usually more, such as Where guarantee to take into account while the image quality of telephoto lens its minimize feature and the problem of this field is paid close attention at present it One.
Utility model content
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art The optical imaging lens group of at least one above-mentioned disadvantage, such as the optical imaging lens group with focal length characteristic.
On the one hand, this application provides such a optical imaging lens group, the optical imaging lens group along optical axis by Object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can be Concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, total effective focal length f of optical imaging lens group with The Entry pupil diameters EPD of optical imaging lens group can meet f/EPD < 2.
In one embodiment, total effective focal length f of optical imaging lens group and the effective focal length f3 of the third lens can Meet -1 < f3/f < 0.
In one embodiment, total effective focal length f of optical imaging lens group and the effective focal length f8 of the 8th lens can Meet 0 < f/f8 < 1.
In one embodiment, the intersection point of the object side of the 4th lens and optical axis is effective to the object side of the 4th lens The intersection point of the image side surface and optical axis of distance SAG41 of the radius vertex on optical axis and the third lens to the third lens image side surface Distance SAG32 of the effective radius vertex on optical axis can meet -1 < SGA41/SAG32 < 0.
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 lens Radius R8 can meet 0 R7/R8≤1.5 <.
In one embodiment, total effective focal length f of optical imaging lens group, the object side of the first lens curvature half The radius of curvature R 6 of diameter R1 and the image side surface of the third lens can meet 0.5 < | f/R1-f/R6 | < 1.
In one embodiment, the third lens on optical axis center thickness CT3 and the 4th lens on optical axis Heart thickness CT4 can meet 0.5 < CT3/CT4 < 1.5.
In one embodiment, spacing distance T56 and the 6th lens on optical axis of the 5th lens and the 6th lens and Spacing distance T67 of 7th lens on optical axis can meet 0 < T56/T67 < 0.5.
In one embodiment, the combined focal length f123 and the third lens of the first lens, the second lens and the third lens Effective focal length f3 can meet 0.5 < | f123/f3 | < 2.
In one embodiment, the maximum angle of half field-of view HFOV of optical imaging lens group can meet HFOV≤30 °.
On the other hand, present invention also provides such a optical imaging lens groups, and the optical imaging lens group is along light Axis by the first lens that object side to image side sequentially includes: with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, total effective focal length f of optical imaging lens group - 1 < f3/f < 0 can be met with the effective focal length f3 of the third lens.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, total effective focal length f of optical imaging lens group 0 < f/f8 < 1 can be met with the effective focal length f8 of the 8th lens.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, the friendship of the object side of the 4th lens and optical axis O'clock to distance SAG41 of the effective radius vertex on optical axis of the object side of the 4th lens and the image side surface and optical axis of the third lens Distance SAG32 of the effective radius vertex on optical axis of image side surface of intersection point to the third lens can meet -1 < SGA41/ SAG32 < 0.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, the radius of curvature of the object side of the 4th lens The radius of curvature R 8 of the image side surface of R7 and the 4th lens can meet 0 R7/R8≤1.5 <.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, total effective focal length of optical imaging lens group F, the radius of curvature R 6 of the image side surface of the radius of curvature R 1 and the third lens of the object side of the first lens can meet 0.5 < | f/R1- F/R6 | < 1.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, the third lens are in the center thickness on optical axis CT3 and the 4th lens can meet 0.5 < CT3/CT4 < 1.5 in the center thickness CT4 on optical axis.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, the 5th lens and the 6th lens are on optical axis The spacing distance T67 of spacing distance T56 and the 6th lens and the 7th lens on optical axis can meet 0 < T56/T67 < 0.5.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, the first lens, the second lens and the third lens Combined focal length f123 and the effective focal length f3 of the third lens can meet 0.5 < | f123/f3 | < 2.
Another aspect, this application provides such a optical imaging lens groups, and the optical imaging lens group is along optical axis By object side to image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th thoroughly Mirror, the 6th lens, the 7th lens and the 8th lens.Wherein, the third lens can have negative power；The object side of 4th lens can For concave surface, image side surface can be convex surface；8th lens can have positive light coke.Wherein, the maximum half field-of-view of optical imaging lens group Angle HFOV can meet HFOV≤30 °.
The application use eight 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, large aperture and high imaging quality Deng at least one beneficial effect.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical imaging lens group of embodiment 1, astigmatism curve, abnormal Varied curve and ratio chromatism, 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 chromatic curve on the axis of the optical imaging lens group of embodiment 2, astigmatism curve, abnormal Varied curve and ratio chromatism, 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 chromatic curve on the axis of the optical imaging lens group of embodiment 3, astigmatism curve, abnormal Varied curve and ratio chromatism, 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 chromatic curve on the axis of the optical imaging lens group of embodiment 4, astigmatism curve, abnormal Varied curve and ratio chromatism, 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 illustrate chromatic curve on the axis of the optical imaging lens group of embodiment 5, astigmatism curve, Distortion curve and ratio chromatism, 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 illustrate chromatic curve on the axis of the optical imaging lens group of embodiment 6, astigmatism curve, Distortion curve and ratio chromatism, 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 illustrate chromatic curve on the axis of the optical imaging lens group of embodiment 7, astigmatism curve, Distortion curve and ratio chromatism, 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 illustrate chromatic curve on the axis of the optical imaging lens group of embodiment 8, astigmatism curve, Distortion curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imaging lens group of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axis of the optical imaging lens group of embodiment 9, astigmatism curve, Distortion curve and ratio chromatism, curve；
Figure 19 shows the structural schematic diagram of the optical imaging lens group according to the embodiment of the present application 10；
It is bent that Figure 20 A to Figure 20 D respectively illustrates chromatic curve on the axis of the optical imaging lens group of embodiment 10, astigmatism Line, distortion curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as this thoroughly near the surface of subject The object side of mirror, each lens are known as the image side surface of the lens near the surface of imaging surface.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative " It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imaging lens group according to the application illustrative embodiments may include such as eight saturating with focal power Mirror, that is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th are thoroughly Mirror.This eight lens by object side to image side sequential, can have airspace between each adjacent lens along optical axis.
In the exemplary embodiment, the first lens have positive light coke or negative power；Second lens have positive light focus Degree or negative power；The third lens can have negative power；4th lens have positive light coke or negative power, and object side can For concave surface, image side surface can be convex surface；5th lens have positive light coke or negative power；6th lens have positive light coke or negative Focal power；7th lens have positive light coke or negative power；8th lens can have positive light coke.
In the exemplary embodiment, the first lens can have positive light coke, and object side is convex surface.
In the exemplary embodiment, the object side of the second lens can be convex surface.
In the exemplary embodiment, the image side surface of the third lens can be concave surface.
In the exemplary embodiment, the 6th lens can have negative power.
In the exemplary embodiment, the 7th lens can have negative power, and object side can be convex surface, and image side surface can be Concave surface.
In the exemplary embodiment, the object side of the 8th lens can be convex surface.
In the exemplary embodiment, the optical imaging lens group of the application can meet conditional f/EPD < 2, wherein f For total effective focal length of optical imaging lens group, EPD is the Entry pupil diameters of optical imaging lens group.More specifically, f and EPD into One step can meet 1.5 < f/EPD < 2, such as 1.69≤f/EPD≤1.88.Rationally control optical imaging lens group is total effective Focal length and Entry pupil diameters can make optical system have biggish clear aperture.Clear aperture is bigger, is more easy to get smaller scape It is deep, it thus can preferably protrude the main body being taken.Meanwhile daylighting effect can be improved in the expansion of clear aperture, so as to The noise of imaging is reduced in the case of darker shooting, improves image quality.
In the exemplary embodiment, the optical imaging lens group of the application can meet conditional HFOV≤30 °, wherein HFOV is the maximum angle of half field-of view of optical imaging lens group.More specifically, HFOV can further meet 23 °≤HFOV≤28 °, example Such as 24.6 °≤HFOV≤25.0 °.Rationally the maximum angle of half field-of view of control optical imaging lens group and reasonable distribution first are saturating Ratio between the effective focal length of mirror and the center thickness of the 4th lens can make optical system with focal length characteristic and have preferable Balance aberration ability, while can also rationally control chief ray deflection angle, improve the matching degree with chip, be conducive to adjust The structure of whole optical system.
In the exemplary embodiment, the optical imaging lens group of the application can meet -1 < f3/f < 0 of conditional, In, f is total effective focal length of optical imaging lens group, and f3 is the effective focal length of the third lens.More specifically, f3 and f are further - 1 < -0.4 < f3/f, such as -0.87≤f3/f≤- 0.59 can be met.The rationally effective focal length of setting the third lens, facilitates The focal length for increasing optical system, realizes the focal length characteristic of system；Meanwhile can also have the function of adjustment ray position, effectively contract The overall length of short optical imaging lens group.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0 < f/f8 < 1 of conditional, wherein F is total effective focal length of optical imaging lens group, and f8 is the effective focal length of the 8th lens.More specifically, f and f8 can further expire Foot 0.30≤f/f8≤0.69.The rationally effective focal length of the 8th lens of setting facilitates optical imaging lens group and realizes focal length Characteristic；The convergence ability to light can also be promoted simultaneously, adjusts light focusing position, shorten the overall length of optical imaging lens group.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0 R7/R8≤1.5 < of conditional, In, R7 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 0.66≤R7/R8≤1.35 can further be met with R8.The rationally radius of curvature of the 4th lens object side and image side surface of control, has Help the focal power on the 4th lens object side of reasonable distribution and image side surface, make optical imaging lens group have preferable color difference and Distort balanced capacity.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0.5 < CT3/CT4 < of conditional 1.5, wherein CT3 is the third lens in the center thickness on optical axis, and CT4 is the 4th lens in the center thickness on optical axis.More Body, CT3 and CT4 can further meet 0.7≤CT3/CT4≤1.2, such as 0.96≤CT3/CT4≤1.00.Rationally control the Three lens on optical axis center thickness and the 4th lens in the ratio of the center thickness on optical axis, can make to have between lens Enough clearance spaces carry out improving optical imaging lens group correction picture to keep the variation freedom degree of lens surface higher with this Dissipate the ability with the curvature of field.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0.5 < of conditional | f/R1-f/R6 | < 1, wherein f is total effective focal length of optical imaging lens group, and R1 is the radius of curvature of the object side of the first lens, R6 the The radius of curvature of the image side surface of three lens.More specifically, f, R1 and R6 can further meet 0.68≤| f/R1-f/R6 |≤ 0.96.The rationally radius of curvature of the radius of curvature of the first lens object side of control and the third lens image side surface, helps to make optics Imaging lens group has the ability of preferable balance color aberrations and distortion.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0 < T56/T67 < 0.5 of conditional, Wherein, T56 is the spacing distance of the 5th lens and the 6th lens on optical axis, and T67 is the 6th lens and the 7th lens in optical axis On spacing distance.More specifically, T56 and T67 can further meet 0 < T56/T67 < 0.3, such as 0.14≤T56/T67≤ 0.22.The rationally ratio of control T56 and T67, can effectively improve the machinability of eyeglass, and can effectively reduce optical imaging lens The rear end size of group, avoids the volume of optical imaging lens group excessive.
In the exemplary embodiment, the optical imaging lens group of the application can meet -1 < SGA41/SAG32 of conditional < 0, wherein SAG41 be the 4th lens object side and optical axis intersection point to the object side of the 4th lens effective radius vertex Distance on optical axis, SAG32 be the third lens image side surface and optical axis intersection point to the third lens image side surface effectively half Distance of the diameter vertex on optical axis.More specifically, SGA41 and SAG32 can further meet -0.7 < SGA41/SAG32 < - 0.2, such as -0.56≤SGA41/SAG32≤- 0.33.The rationally ratio of control SGA41 and SAG32, can preferably adjust optics The chief ray angle of imaging lens group, and the relative luminance of optical imaging lens group is effectively improved, promote image planes clarity.
In the exemplary embodiment, the optical imaging lens group of the application can meet 0.5 < of conditional | f123/f3 | < 2, wherein f123 is the combined focal length of the first lens, the second lens and the third lens, and f3 is the effective focal length of the third lens.More Specifically, f123 and f3 can further meet 0.6≤| f123/f3 |≤1.6, such as 0.88≤| f123/f3 |≤1.47.Rationally The ratio of the effective focal length of the first lens, the combined focal length of the second lens and the third lens and the third lens is controlled, can corrected While aberration, the characteristic of focal length is realized；Meanwhile can also make the variation freedom degree of lens surface higher, thus improve optics at As the ability of lens group correction astigmatism and the curvature of field.
In the exemplary embodiment, above-mentioned optical imaging lens group may also include at least one diaphragm, with improving optical The image quality of imaging lens group.Optionally, diaphragm may be provided between the third lens and the 4th 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 Eight.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing Deng, can effectively reduce optical imaging lens group volume, reduce optical imaging lens group susceptibility and improve optical imagery The machinability of lens group, so that optical imaging lens group, which is more advantageous to, produces and processes and be applicable to portable electronic production Product.Optical imaging lens group through the above configuration can also have the beneficial effects such as focal length, big light passing amount and high imaging quality.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, first thoroughly Each of mirror, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens are saturating At least one of the object side of mirror and image side surface are aspherical.The characteristics of non-spherical lens, is: all from lens centre to lens Side, curvature are consecutive variations.Have the spherical lens of constant curvature different from from lens centre to lens perimeter, it is aspherical Mirror has more preferably radius of curvature characteristic, has the advantages that improve and distorts aberration and improvement astigmatic image error.Using non-spherical lens Afterwards, the aberration occurred when imaging can be eliminated, as much as possible so as to improve image quality.Optionally, the first lens, Two lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and each lens in the 8th lens object Side and image side surface can be aspherical.
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 eight lens as an example in embodiments, which is not limited to include eight 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
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 Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 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-S164、A6、A8、A10、A12、A14、A16、A18And A20。
Table 2
Table 3 provides the half of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 1 ImgH, optics total length TTL (that is, distance from the object side S1 of the first lens E1 to imaging surface S19 on optical axis), maximum half Field angle HFOV, F-number Fno, total effective focal length f of optical imaging lens group and the effective focal length f1 to f8 of each lens.
ImgH(mm) 2.75 f3(mm) -4.63
TTL(mm) 5.90 f4(mm) -23.59
HFOV(°) 24.7 f5(mm) 14.82
Fno 1.69 f6(mm) -17.85
f(mm) 6.01 f7(mm) -5.16
f1(mm) 3.38 f8(mm) 10.32
f2(mm) 22.20
Table 3
Optical imaging lens group in embodiment 1 meets:
F/EPD=1.69, wherein f is total effective focal length of optical imaging lens group, and EPD is optical imaging lens group Entry pupil diameters；
F3/f=-0.77, wherein f is total effective focal length of optical imaging lens group, and f3 is effective coke of the third lens E3 Away from；
F/f8=0.58, wherein f is total effective focal length of optical imaging lens group, and f8 is effective coke of the 8th lens E8 Away from；
R7/R8=0.78, wherein R7 is the radius of curvature of the object side S7 of the 4th lens E4, and R8 is the 4th lens E4's The radius of curvature of image side surface S8；
CT3/CT4=1.00, wherein CT3 is the third lens E3 in the center thickness on optical axis, and CT4 is the 4th lens E4 In the center thickness on optical axis；
| f/R1-f/R6 |=0.87, wherein f is total effective focal length of optical imaging lens group, and R1 is the first lens E1's The radius of curvature of object side S1, R6 are the radius of curvature of the image side surface S6 of the third lens E3；
T56/T67=0.16, wherein T56 is spacing distance of the 5th lens E5 and the 6th lens E6 on optical axis, T67 For the spacing distance of the 6th lens E6 and the 7th lens E7 on optical axis；
SGA41/SAG32=-0.33, wherein the intersection point of object side S7 and optical axis that SAG41 is the 4th lens E4 to the 4th Distance of the effective radius vertex of the object side S7 of lens E4 on optical axis, SAG32 are the image side surface S6 and light of the third lens E3 The intersection point of axis to the third lens E3 image side surface S6 distance of the effective radius vertex on optical axis；
| f123/f3 |=1.03, wherein f123 is the group focus of the first lens E1, the second lens E2 and the third lens E3 Away from f3 is the effective focal length of the third lens E3.
Fig. 2A shows chromatic curve on the axis of the optical imaging lens group of embodiment 1, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Fig. 2 B shows the optical imaging lens group of embodiment 1 is bent Line indicates meridianal image surface bending and sagittal image surface bending.The distortion that Fig. 2 C shows the optical imaging lens group of embodiment 1 is bent Line indicates distortion sizes values corresponding to different image heights.Fig. 2 D shows the multiplying power color of the optical imaging lens group of embodiment 1 Poor curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.A is extremely according to fig. 2 Fig. 2 D is it is found that optical imaging lens group given by embodiment 1 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
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 Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -8.4862E-04 -2.1335E-02 4.6509E-02 -6.1464E-02 4.8686E-02 -2.4007E-02 7.1601E-03 -1.1877E-03 8.2907E-05
S2 4.8163E-02 1.6926E-02 -1.0134E-01 1.3433E-01 -9.9180E-02 4.4479E-02 -1.1996E-02 1.7844E-03 -1.1232E-04
S3 5.3232E-02 3.9397E-02 -1.4578E-01 1.5965E-01 -8.2690E-02 9.3317E-03 1.1040E-02 -5.1876E-03 7.1173E-04
S4 1.4565E-02 1.2483E-02 -1.2779E-01 2.4477E-01 -2.6166E-01 1.7136E-01 -6.6968E-02 1.4105E-02 -1.1993E-03
S5 6.8926E-02 -1.1281E-01 1.8358E-01 -1.6231E-01 1.9432E-02 1.2055E-01 -1.2821E-01 5.5006E-02 -8.8218E-03
S6 7.9969E-02 -5.7746E-02 1.6173E-01 -1.2534E-01 6.1284E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S7 -1.4940E-01 4.4148E-01 -6.1324E-01 -6.1490E-02 2.7220E+00 -6.3966E+00 7.2138E+00 -4.1016E+00 9.3191E-01
S8 -1.6768E-02 4.2871E-01 -2.3118E+00 7.6975E+00 -1.4738E+01 1.6815E+01 -1.1247E+01 4.0445E+00 -6.0224E-01
S9 1.9257E-03 -3.5563E-03 -1.5216E+00 6.2847E+00 -1.2060E+01 1.3432E+01 -8.7783E+00 3.1084E+00 -4.6072E-01
S10 2.6238E-01 -1.0778E+00 1.0262E+00 2.0061E+00 -7.0163E+00 9.8166E+00 -7.6769E+00 3.2434E+00 -5.7351E-01
S11 3.5999E-01 -1.4852E+00 2.4908E+00 -2.1634E+00 1.0972E+00 -3.4013E-01 6.3879E-02 -6.7112E-03 3.0394E-04
S12 8.5754E-02 -5.2435E-01 8.7572E-01 -8.6500E-01 5.9128E-01 -2.7217E-01 7.6750E-02 -1.1718E-02 7.3663E-04
S13 -8.8824E-02 -1.7324E-01 3.5274E-01 -5.0401E-01 4.9128E-01 -2.9391E-01 1.0318E-01 -1.9472E-02 1.5216E-03
S14 -1.4827E-01 1.2633E-02 1.3799E-02 -1.0528E-02 5.3115E-03 -2.4609E-03 8.6525E-04 -1.8062E-04 1.5858E-05
S15 -1.1046E-01 7.3176E-02 -7.7599E-02 8.0137E-02 -5.4218E-02 2.2117E-02 -5.3069E-03 6.9138E-04 -3.7689E-05
S16 -9.9511E-02 4.9851E-02 -4.1617E-02 3.2621E-02 -1.5378E-02 4.0508E-03 -5.6678E-04 3.4694E-05 -2.9251E-07
Table 5
Table 6 gives one of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 2 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f with And the effective focal length f1 to f8 of each lens.
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 2, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Fig. 4 B shows the optical imaging lens group of embodiment 2 is bent Line indicates meridianal image surface bending and sagittal image surface bending.The distortion that Fig. 4 C shows the optical imaging lens group of embodiment 2 is bent Line indicates distortion sizes values corresponding to different image heights.Fig. 4 D shows the multiplying power color of the optical imaging lens group of embodiment 2 Poor curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.Extremely according to Fig. 4 A Fig. 4 D is it is found that optical imaging lens group given by embodiment 2 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 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 half of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 3 ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f and The effective focal length f1 to f8 of each lens.
ImgH(mm) 2.75 f3(mm) -3.76
TTL(mm) 5.75 f4(mm) 37.90
HFOV(°) 24.7 f5(mm) 29.77
Fno 1.88 f6(mm) -12.67
f(mm) 6.00 f7(mm) -6.81
f1(mm) 3.43 f8(mm) 14.16
f2(mm) 13.81
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 3, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Fig. 6 B shows the optical imaging lens group of embodiment 3 is bent Line indicates meridianal image surface bending and sagittal image surface bending.The distortion that Fig. 6 C shows the optical imaging lens group of embodiment 3 is bent Line indicates distortion sizes values corresponding to different image heights.Fig. 6 D shows the multiplying power color of the optical imaging lens group of embodiment 3 Poor curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.Extremely according to Fig. 6 A Fig. 6 D is it is found that optical imaging lens group given by embodiment 3 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
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 concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -9.7290E-04 -2.3817E-02 5.9926E-02 -8.8582E-02 7.7562E-02 -4.1894E-02 1.3605E-02 -2.4529E-03 1.8732E-04
S2 5.1163E-02 2.8588E-02 -1.4844E-01 2.1402E-01 -1.7543E-01 8.7496E-02 -2.6108E-02 4.2690E-03 -2.9378E-04
S3 6.7286E-02 2.6494E-02 -1.5407E-01 2.0848E-01 -1.4619E-01 4.7899E-02 6.5789E-05 -4.1650E-03 7.6968E-04
S4 2.4017E-02 -1.7655E-02 -5.4467E-02 1.4554E-01 -1.8399E-01 1.3874E-01 -6.1565E-02 1.4629E-02 -1.4144E-03
S5 7.9582E-02 -1.4410E-01 3.1947E-01 -5.4240E-01 6.8007E-01 -5.7561E-01 3.0609E-01 -9.2203E-02 1.2098E-02
S6 7.9969E-02 -5.7746E-02 1.6173E-01 -1.2534E-01 6.1284E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S7 -7.6703E-02 -1.0464E-02 1.2271E+00 -6.7549E+00 1.9260E+01 -3.2506E+01 3.2128E+01 -1.7077E+01 3.7387E+00
S8 -1.5515E-03 3.3799E-01 -2.5943E+00 9.4327E+00 -1.9465E+01 2.4020E+01 -1.7754E+01 7.4037E+00 -1.3745E+00
S9 6.1686E-02 -3.1179E-01 -1.2564E+00 8.1705E+00 -1.8640E+01 2.3294E+01 -1.6763E+01 6.5321E+00 -1.0748E+00
S10 2.5708E-01 -1.1317E+00 1.4974E+00 9.7625E-01 -5.8440E+00 9.2388E+00 -7.8732E+00 3.6119E+00 -6.9578E-01
S11 2.9092E-01 -1.1874E+00 2.0058E+00 -1.7364E+00 8.6519E-01 -2.5964E-01 4.6513E-02 -4.5949E-03 1.9309E-04
S12 5.8634E-02 -4.5212E-01 7.9063E-01 -7.7398E-01 5.1742E-01 -2.3815E-01 6.8810E-02 -1.0910E-02 7.1597E-04
S13 -6.8043E-02 -1.5602E-01 2.6216E-01 -3.1318E-01 2.6308E-01 -1.3812E-01 4.2847E-02 -7.1649E-03 4.9692E-04
S14 -1.8166E-01 2.1710E-02 3.0016E-02 -4.0777E-02 2.4581E-02 -8.8396E-03 2.2651E-03 -4.3086E-04 4.1432E-05
S15 -1.4182E-01 9.8609E-02 -1.1087E-01 1.3556E-01 -1.1160E-01 5.5075E-02 -1.5815E-02 2.4402E-03 -1.5620E-04
S16 -1.5055E-01 1.0726E-01 -1.1210E-01 9.7845E-02 -5.3777E-02 1.7830E-02 -3.4968E-03 3.7405E-04 -1.6724E-05
Table 11
Table 12 provides one of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 4 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f with And the effective focal length f1 to f8 of each lens.
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 4, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Fig. 8 B shows the optical imaging lens group of embodiment 4 is bent Line indicates meridianal image surface bending and sagittal image surface bending.The distortion that Fig. 8 C shows the optical imaging lens group of embodiment 4 is bent Line indicates distortion sizes values corresponding to different image heights.Fig. 8 D shows the multiplying power color of the optical imaging lens group of embodiment 4 Poor curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.Extremely according to Fig. 8 A Fig. 8 D is it is found that optical imaging lens group given by embodiment 4 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 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.
Table 14
Table 15 provides one of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 5 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f with And the effective focal length f1 to f8 of each lens.
ImgH(mm) 2.75 f3(mm) -3.86
TTL(mm) 5.80 f4(mm) 44.24
HFOV(°) 24.7 f5(mm) 29.91
Fno 1.86 f6(mm) -12.84
f(mm) 5.99 f7(mm) -6.82
f1(mm) 3.43 f8(mm) 13.01
f2(mm) 14.29
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 5, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Figure 10 B shows the optical imaging lens group of embodiment 5 is bent Line indicates meridianal image surface bending and sagittal image surface bending.Figure 10 C shows the distortion of the optical imaging lens group of embodiment 5 Curve indicates distortion sizes values corresponding to different image heights.Figure 10 D shows times of the optical imaging lens group of embodiment 5 Rate chromatic curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.According to figure 10A to Figure 10 D is it is found that optical imaging lens group given by embodiment 5 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
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 convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 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 -6.3981E-04 -2.7410E-02 7.0847E-02 -1.0689E-01 9.5420E-02 -5.2397E-02 1.7249E-02 -3.1400E-03 2.4162E-04
S2 5.2865E-02 3.4135E-02 -1.7279E-01 2.5771E-01 -2.1935E-01 1.1359E-01 -3.5154E-02 5.9524E-03 -4.2339E-04
S3 7.3617E-02 3.9861E-03 -1.0088E-01 1.2425E-01 -5.6472E-02 -1.4853E-02 2.7710E-02 -1.1074E-02 1.5092E-03
S4 2.4321E-02 -1.8024E-02 -6.7157E-02 1.8660E-01 -2.3956E-01 1.8023E-01 -7.9087E-02 1.8446E-02 -1.7324E-03
S5 8.2088E-02 -1.8281E-01 4.9433E-01 -9.8215E-01 1.3747E+00 -1.2673E+00 7.2697E-01 -2.3514E-01 3.2912E-02
S6 7.9969E-02 -5.7746E-02 1.6173E-01 -1.2534E-01 6.1284E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S7 -6.0079E-02 -3.1302E-01 3.5396E+00 -1.6758E+01 4.6166E+01 -7.8005E+01 7.9088E+01 -4.4049E+01 1.0327E+01
S8 -3.4833E-02 4.6419E-01 -2.9853E+00 1.0821E+01 -2.2544E+01 2.7852E+01 -2.0204E+01 8.0051E+00 -1.3564E+00
S9 3.0993E-02 -2.3045E-01 -1.4079E+00 8.8491E+00 -2.0712E+01 2.6690E+01 -1.9814E+01 7.9541E+00 -1.3443E+00
S10 2.5357E-01 -1.1246E+00 1.3730E+00 1.4003E+00 -6.6634E+00 1.0187E+01 -8.5113E+00 3.8409E+00 -7.2976E-01
S11 3.1510E-01 -1.2363E+00 1.9813E+00 -1.6214E+00 7.5169E-01 -2.0373E-01 3.1383E-02 -2.4499E-03 6.8526E-05
S12 8.5042E-02 -5.0696E-01 8.1360E-01 -7.4460E-01 4.7357E-01 -2.1176E-01 6.0294E-02 -9.4790E-03 6.1810E-04
S13 -6.9175E-02 -1.6198E-01 2.7360E-01 -3.2994E-01 2.8016E-01 -1.4866E-01 4.6587E-02 -7.8641E-03 5.5014E-04
S14 -1.8194E-01 1.8327E-02 3.4213E-02 -4.1081E-02 2.3256E-02 -8.1299E-03 2.0889E-03 -4.0208E-04 3.8691E-05
S15 -1.3156E-01 9.4917E-02 -1.1087E-01 1.3350E-01 -1.0862E-01 5.3410E-02 -1.5328E-02 2.3643E-03 -1.5116E-04
S16 -1.4526E-01 1.0254E-01 -1.0345E-01 8.3551E-02 -4.2533E-02 1.3013E-02 -2.3125E-03 2.1538E-04 -7.7035E-06
Table 17
Table 18 provides one of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 6 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f with And the effective focal length f1 to f8 of each lens.
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 6, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Figure 12 B shows the optical imaging lens group of embodiment 6 is bent Line indicates meridianal image surface bending and sagittal image surface bending.Figure 12 C shows the distortion of the optical imaging lens group of embodiment 6 Curve indicates distortion sizes values corresponding to different image heights.Figure 12 D shows times of the optical imaging lens group of embodiment 6 Rate chromatic curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.According to figure 12A to Figure 12 D is it is found that optical imaging lens group given by embodiment 6 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
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 concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 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.
Table 20
Table 21 provides one of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 7 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f with And the effective focal length f1 to f8 of each lens.
ImgH(mm) 2.75 f3(mm) -3.84
TTL(mm) 5.70 f4(mm) 51.29
HFOV(°) 25.0 f5(mm) 34.35
Fno 1.86 f6(mm) -14.41
f(mm) 5.95 f7(mm) -7.08
f1(mm) 3.42 f8(mm) 19.50
f2(mm) 13.21
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 7, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Figure 14 B shows the optical imaging lens group of embodiment 7 is bent Line indicates meridianal image surface bending and sagittal image surface bending.Figure 14 C shows the distortion of the optical imaging lens group of embodiment 7 Curve indicates distortion sizes values corresponding to different image heights.Figure 14 D shows times of the optical imaging lens group of embodiment 7 Rate chromatic curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.According to figure 14A to Figure 14 D is it is found that optical imaging lens group given by embodiment 7 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 It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
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 8th lens E8 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 -3.9125E-04 -2.6398E-02 6.5286E-02 -9.6403E-02 8.4876E-02 -4.6134E-02 1.5036E-02 -2.7059E-03 2.0505E-04
S2 5.3111E-02 3.4317E-02 -1.7510E-01 2.6230E-01 -2.2422E-01 1.1664E-01 -3.6289E-02 6.1850E-03 -4.4372E-04
S3 7.3564E-02 3.9583E-03 -8.9431E-02 8.8770E-02 -2.5824E-03 -6.1835E-02 5.1561E-02 -1.7620E-02 2.2596E-03
S4 1.6827E-02 1.9273E-02 -1.7608E-01 3.8150E-01 -4.6176E-01 3.4053E-01 -1.4923E-01 3.5280E-02 -3.4137E-03
S5 7.7297E-02 -1.6929E-01 4.6951E-01 -9.8260E-01 1.4441E+00 -1.3840E+00 8.1871E-01 -2.7161E-01 3.8845E-02
S6 7.9969E-02 -5.7746E-02 1.6173E-01 -1.2534E-01 6.1284E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S7 -4.5745E-02 -4.0678E-01 4.0126E+00 -1.8685E+01 5.1561E+01 -8.7519E+01 8.9295E+01 -5.0165E+01 1.1895E+01
S8 -6.7237E-02 8.2068E-01 -4.9723E+00 1.7162E+01 -3.5315E+01 4.4579E+01 -3.3950E+01 1.4360E+01 -2.6018E+00
S9 4.1104E-03 1.1829E-01 -2.8813E+00 1.2096E+01 -2.5138E+01 3.0683E+01 -2.2277E+01 8.9235E+00 -1.5226E+00
S10 2.4389E-01 -1.0451E+00 1.2909E+00 9.9893E-01 -5.1369E+00 7.6558E+00 -6.1678E+00 2.6712E+00 -4.8479E-01
S11 2.2609E-01 -1.0032E+00 1.6565E+00 -1.3777E+00 6.4962E-01 -1.8063E-01 2.9112E-02 -2.4803E-03 8.4232E-05
S12 2.3408E-02 -3.2135E-01 5.4403E-01 -5.0923E-01 3.3273E-01 -1.5100E-01 4.2760E-02 -6.5902E-03 4.1800E-04
S13 -6.4824E-02 -2.0354E-01 3.9396E-01 -5.2716E-01 4.7521E-01 -2.6654E-01 8.9006E-02 -1.6188E-02 1.2344E-03
S14 -1.8091E-01 2.1806E-02 2.9377E-02 -3.6147E-02 1.9922E-02 -6.6432E-03 1.6649E-03 -3.3099E-04 3.3401E-05
S15 -1.2231E-01 8.5729E-02 -9.8192E-02 1.1577E-01 -9.1718E-02 4.3843E-02 -1.2234E-02 1.8361E-03 -1.1433E-04
S16 -1.3365E-01 9.3159E-02 -9.5366E-02 7.6848E-02 -3.8606E-02 1.1689E-02 -2.0864E-03 2.0144E-04 -7.9772E-06
Table 23
Table 24 provides one of effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 8 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f with And the effective focal length f1 to f8 of each lens.
ImgH(mm) 2.75 f3(mm) -3.82
TTL(mm) 5.70 f4(mm) 55.63
HFOV(°) 25.0 f5(mm) 73.65
Fno 1.86 f6(mm) -20.20
f(mm) 5.95 f7(mm) -7.02
f1(mm) 3.43 f8(mm) 16.66
f2(mm) 14.03
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 8, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Figure 16 B shows the optical imaging lens group of embodiment 8 is bent Line indicates meridianal image surface bending and sagittal image surface bending.Figure 16 C shows the distortion of the optical imaging lens group of embodiment 8 Curve indicates distortion sizes values corresponding to different image heights.Figure 16 D shows times of the optical imaging lens group of embodiment 8 Rate chromatic curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.According to figure 16A to Figure 16 D is it is found that optical imaging lens group given by embodiment 8 can be realized good image quality.
Embodiment 9
The optical imaging lens group according to the embodiment of the present application 9 is described referring to Figure 17 to Figure 18 D.Figure 17 shows According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 9.
As shown in figure 17, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is convex surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 9 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 25
As shown in Table 25, in embodiment 9, the object side of any one lens of the first lens E1 into the 8th lens E8 It 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 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 -1.9773E-03 -1.7742E-02 4.6131E-02 -7.1245E-02 6.4519E-02 -3.5869E-02 1.1921E-02 -2.1898E-03 1.6956E-04
S2 5.2635E-02 3.3707E-02 -1.7136E-01 2.5529E-01 -2.1704E-01 1.1230E-01 -3.4761E-02 5.8991E-03 -4.2190E-04
S3 6.5613E-02 4.5108E-02 -2.1758E-01 3.1934E-01 -2.5980E-01 1.1890E-01 -2.6393E-02 1.2192E-03 3.0976E-04
S4 2.1510E-02 3.4122E-04 -1.1673E-01 2.6484E-01 -3.2052E-01 2.3448E-01 -1.0170E-01 2.3817E-02 -2.2935E-03
S5 7.2336E-02 -9.7367E-02 1.2300E-01 -4.5462E-02 -9.4284E-02 1.7717E-01 -1.3853E-01 5.3601E-02 -8.2176E-03
S6 7.9969E-02 -5.7746E-02 1.6173E-01 -1.2534E-01 6.1284E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S7 -9.3343E-02 1.6712E-01 -6.0636E-02 -1.0424E+00 4.2651E+00 -8.4457E+00 9.0515E+00 -4.9597E+00 1.0638E+00
S8 -3.3561E-02 3.4168E-01 -2.2596E+00 8.3607E+00 -1.7323E+01 2.0978E+01 -1.4766E+01 5.6344E+00 -9.1715E-01
S9 2.0994E-02 -2.0036E-01 -1.3970E+00 8.4013E+00 -1.9269E+01 2.4379E+01 -1.7744E+01 6.9698E+00 -1.1501E+00
S10 2.5158E-01 -1.1285E+00 1.4163E+00 1.2152E+00 -6.2277E+00 9.5759E+00 -7.9962E+00 3.5977E+00 -6.8008E-01
S11 3.1184E-01 -1.2506E+00 2.0427E+00 -1.7039E+00 8.1270E-01 -2.3088E-01 3.8524E-02 -3.4644E-03 1.2828E-04
S12 9.5388E-02 -5.0990E-01 8.1262E-01 -7.6495E-01 5.1394E-01 -2.4227E-01 7.1554E-02 -1.1519E-02 7.6348E-04
S13 -7.2056E-02 -1.7064E-01 2.9489E-01 -3.6330E-01 3.1482E-01 -1.7004E-01 5.4084E-02 -9.2336E-03 6.5027E-04
S14 -1.8073E-01 1.5620E-02 3.3091E-02 -3.7058E-02 2.1357E-02 -8.3354E-03 2.4831E-03 -5.1118E-04 4.8581E-05
S15 -1.1319E-01 7.8895E-02 -9.0691E-02 1.0605E-01 -8.3471E-02 3.9780E-02 -1.1077E-02 1.6584E-03 -1.0297E-04
S16 -1.0507E-01 5.3108E-02 -4.0821E-02 2.8798E-02 -1.2432E-02 2.9466E-03 -3.3949E-04 1.0311E-05 7.4362E-07
Table 26
Table 27 gives effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 9 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f And the effective focal length f1 to f8 of each lens.
ImgH(mm) 2.75 f3(mm) -4.14
TTL(mm) 5.86 f4(mm) 153.15
HFOV(°) 24.8 f5(mm) 25.91
Fno 1.86 f6(mm) -21.65
f(mm) 5.95 f7(mm) -6.39
f1(mm) 3.42 f8(mm) 17.09
f2(mm) 16.19
Table 27
Figure 18 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 9, indicates the light of different wave length Deviate via the converging focal point after optical imaging lens group.The astigmatism that Figure 18 B shows the optical imaging lens group of embodiment 9 is bent Line indicates meridianal image surface bending and sagittal image surface bending.Figure 18 C shows the distortion of the optical imaging lens group of embodiment 9 Curve indicates distortion sizes values corresponding to different image heights.Figure 18 D shows times of the optical imaging lens group of embodiment 9 Rate chromatic curve indicates light via the deviation of the different image heights after optical imaging lens group on imaging surface.According to figure 18A to Figure 18 D is it is found that optical imaging lens group given by embodiment 9 can be realized good image quality.
Embodiment 10
The optical imaging lens group according to the embodiment of the present application 10 is described referring to Figure 19 to Figure 20 D.Figure 19 is shown According to the structural schematic diagram of the optical imaging lens group of the embodiment of the present application 10.
As shown in figure 19, according to the optical imaging lens group of the application illustrative embodiments along optical axis by object side to image side It sequentially include: the first lens E1, the second lens E2, the third lens E3, diaphragm STO, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as Side S14 is concave surface.8th lens E8 has positive light coke, and object side S15 is convex surface, and image side surface S16 is concave surface.Optical filter E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged On the S19 of face.
Table 28 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens group of embodiment 10 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 28
As shown in Table 28, in embodiment 10, the object side of any one lens of the first lens E1 into the 8th lens E8 Face and image side surface are aspherical.Table 29 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 10, 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 -9.2958E-04 -2.5227E-02 6.5155E-02 -9.9049E-02 8.8879E-02 -4.8921E-02 1.6091E-02 -2.9173E-03 2.2272E-04
S2 5.3190E-02 3.4587E-02 -1.7626E-01 2.6443E-01 -2.2653E-01 1.1814E-01 -3.6854E-02 6.2981E-03 -4.5293E-04
S3 6.8630E-02 3.5405E-02 -1.9019E-01 2.7549E-01 -2.1392E-01 8.6638E-02 -1.1651E-02 -2.6781E-03 7.5383E-04
S4 2.3203E-02 -1.5194E-02 -7.2351E-02 1.9069E-01 -2.4445E-01 1.8752E-01 -8.4639E-02 2.0381E-02 -1.9832E-03
S5 7.1653E-02 -1.1472E-01 1.8624E-01 -1.8172E-01 8.9897E-02 2.5161E-02 -6.4502E-02 3.4194E-02 -6.0965E-03
S6 7.9969E-02 -5.7746E-02 1.6173E-01 -1.2534E-01 6.1284E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S7 -9.4202E-02 1.9968E-01 -2.4202E-01 -2.7512E-01 1.7509E+00 -3.2831E+00 2.7219E+00 -7.2203E-01 -1.3245E-01
S8 -3.4309E-02 3.6994E-01 -2.3565E+00 8.7656E+00 -1.8543E+01 2.3068E+01 -1.6797E+01 6.6961E+00 -1.1524E+00
S9 3.0246E-02 -2.2323E-01 -1.4617E+00 9.0474E+00 -2.1156E+01 2.7297E+01 -2.0299E+01 8.1613E+00 -1.3808E+00
S10 2.5612E-01 -1.1275E+00 1.3785E+00 1.3846E+00 -6.6243E+00 1.0131E+01 -8.4694E+00 3.8246E+00 -7.2702E-01
S11 2.9093E-01 -1.2131E+00 2.0120E+00 -1.6960E+00 8.1643E-01 -2.3400E-01 3.9388E-02 -3.5730E-03 1.3345E-04
S12 6.8286E-02 -5.1024E-01 8.8524E-01 -8.8066E-01 6.0146E-01 -2.7970E-01 8.0858E-02 -1.2778E-02 8.3558E-04
S13 -6.8590E-02 -1.6100E-01 2.7133E-01 -3.2657E-01 2.7678E-01 -1.4661E-01 4.5864E-02 -7.7299E-03 5.3997E-04
S14 -1.8349E-01 1.8839E-02 3.4827E-02 -4.2205E-02 2.3975E-02 -8.3778E-03 2.1480E-03 -4.1354E-04 3.9884E-05
S15 -1.2631E-01 9.0034E-02 -1.0411E-01 1.2347E-01 -9.8877E-02 4.7840E-02 -1.3511E-02 2.0513E-03 -1.2913E-04
S16 -1.2744E-01 8.4186E-02 -8.7374E-02 7.5481E-02 -4.1292E-02 1.3734E-02 -2.7196E-03 2.9496E-04 -1.3405E-05
Table 29
Table 30 gives effective pixel area diagonal line length on the imaging surface S19 of optical imaging lens group in embodiment 10 Half ImgH, optics total length TTL, maximum angle of half field-of view HFOV, F-number Fno, optical imaging lens group total effective focal length f And the effective focal length f1 to f8 of each lens.
ImgH(mm) 2.75 f3(mm) -3.86
TTL(mm) 5.81 f4(mm) 38.84
HFOV(°) 24.7 f5(mm) 32.41
Fno 1.86 f6(mm) -12.37
f(mm) 5.99 f7(mm) -6.79
f1(mm) 3.43 f8(mm) 12.96
f2(mm) 14.35
Table 30
Figure 20 A shows chromatic curve on the axis of the optical imaging lens group of embodiment 10, indicates the light of different wave length Line deviates via the converging focal point after optical imaging lens group.Figure 20 B show the optical imaging lens group of embodiment 10 as Non-dramatic song line indicates meridianal image surface bending and sagittal image surface bending.Figure 20 C shows the optical imaging lens group of embodiment 10 Distortion curve indicates distortion sizes values corresponding to different image heights.Figure 20 D shows the optical imaging lens group of embodiment 10 Ratio chromatism, curve, indicate light via the different image heights after optical imaging lens group on imaging surface deviation.Root According to Figure 20 A to Figure 20 D it is found that optical imaging lens group given by embodiment 10 can be realized good image quality.
To sum up, embodiment 1 to embodiment 10 meets relationship shown in table 31 respectively.
Table 31
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to The image-forming module being integrated on the mobile electronic devices such as mobile phone.It is saturating that the imaging device is equipped with optical imagery described above Microscope 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 technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (20)

1. optical imaging lens group, along optical axis by object side to image side sequentially include: the first lens with focal power, second thoroughly Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
The third lens have negative power；
The object side of 4th lens is concave surface, and image side surface is convex surface；
8th lens have positive light coke；And
Total effective focal length f of the optical imaging lens group and the Entry pupil diameters EPD of the optical imaging lens group meet f/EPD < 2.
2. optical imaging lens group according to claim 1, which is characterized in that the optical imaging lens group it is total effectively The effective focal length f8 of focal length f and the 8th lens meets 0 < f/f8 < 1.
3. optical imaging lens group according to claim 1, which is characterized in that the object side of the 4th lens and described The intersection point of optical axis is to distance SAG41 of the effective radius vertex on the optical axis of the object side of the 4th lens and described the The intersection point of the image side surface of three lens and the optical axis to the third lens image side surface effective radius vertex in the optical axis On distance SAG32 meet -1 < SGA41/SAG32 < 0.
4. optical imaging lens group according to claim 1, which is characterized in that the curvature of the object side of the 4th lens The radius of curvature R 8 of the image side surface of radius R7 and the 4th lens meets 0 R7/R8≤1.5 <.
5. optical imaging lens group according to claim 1, which is characterized in that the optical imaging lens group it is total effectively The radius of curvature R 6 of the image side surface of the radius of curvature R 1 and the third lens of the object side of focal length f, first lens meets 0.5 < | f/R1-f/R6 | < 1.
6. optical imaging lens group according to claim 1, which is characterized in that the third lens are on the optical axis Center thickness CT3 and the 4th lens are in the 0.5 < CT3/CT4 < 1.5 of center thickness CT4 satisfaction on the optical axis.
7. optical imaging lens group according to claim 6, which is characterized in that the optical imaging lens group it is total effectively Focal length f and the effective focal length f3 of the third lens meet -1 < f3/f < 0.
8. optical imaging lens group according to claim 1, which is characterized in that the 5th lens and the 6th lens Spacing distance T56 and the spacing distance of the 6th lens and the 7th lens on the optical axis on the optical axis T67 meets 0 < T56/T67 < 0.5.
9. optical imaging lens group according to claim 1, which is characterized in that first lens, second lens Meet 0.5 < with the combined focal length f123 of the third lens and the effective focal length f3 of the third lens | f123/f3 | < 2.
10. optical imaging lens group according to any one of claim 1 to 9, which is characterized in that the optical imagery is saturating The maximum angle of half field-of view HFOV of microscope group meets HFOV≤30 °.
It by object side to image side sequentially include: the first lens with focal power, second along optical axis 11. optical imaging lens group Lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
The third lens have negative power；
The object side of 4th lens is concave surface, and image side surface is convex surface；
8th lens have positive light coke；And
Total effective focal length f of the optical imaging lens group and the effective focal length f3 of the third lens meet -1 < f3/f < 0.
12. optical imaging lens group according to claim 11, which is characterized in that the optical imaging lens group always has The effective focal length f8 for imitating focal length f and the 8th lens meets 0 < f/f8 < 1.
13. optical imaging lens group according to claim 11, which is characterized in that the object side of the 4th lens and institute State distance SAG41 of the effective radius vertex of the intersection point of optical axis to the object side of the 4th lens on the optical axis with it is described The intersection point of the image side surface of the third lens and the optical axis to the third lens image side surface effective radius vertex in the light Distance SAG32 on axis meets -1 < SGA41/SAG32 < 0.
14. optical imaging lens group according to claim 11, which is characterized in that the song of the object side of the 4th lens The radius of curvature R 8 of the image side surface of rate radius R7 and the 4th lens meets 0 R7/R8≤1.5 <.
15. optical imaging lens group according to claim 11, which is characterized in that the optical imaging lens group always has The radius of curvature R 6 for imitating the radius of curvature R 1 of the object side of focal length f, first lens and the image side surface of the third lens is full 0.5 < of foot | f/R1-f/R6 | < 1.
16. optical imaging lens group according to claim 11, which is characterized in that the third lens are on the optical axis Center thickness CT3 and the 4th lens on the optical axis center thickness CT4 meet 0.5 < CT3/CT4 < 1.5.
17. optical imaging lens group according to claim 11, which is characterized in that the 5th lens and the described 6th are thoroughly Spacing distance T56 of the mirror on the optical axis and the spacing distance of the 6th lens and the 7th lens on the optical axis T67 meets 0 < T56/T67 < 0.5.
18. optical imaging lens group according to claim 11, which is characterized in that first lens, described second are thoroughly Mirror and the combined focal length f123 of the third lens and the effective focal length f3 of the third lens meet 0.5 < | f123/f3 | < 2。
19. optical imaging lens group described in any one of 1 to 18 according to claim 1, which is characterized in that the optical imagery The maximum angle of half field-of view HFOV of lens group meets HFOV≤30 °.
20. optical imaging lens group described in any one of 1 to 18 according to claim 1, which is characterized in that the optical imagery Total effective focal length f of lens group and the Entry pupil diameters EPD of the optical imaging lens group meet f/EPD < 2.
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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN109239891A (en) * 2018-11-16 2019-01-18 浙江舜宇光学有限公司 optical imaging lens group
CN111025589A (en) * 2019-12-28 2020-04-17 瑞声通讯科技(常州)有限公司 Image pickup optical lens
WO2021031234A1 (en) * 2019-08-19 2021-02-25 诚瑞光学(常州)股份有限公司 Camera optical lens
WO2021128380A1 (en) * 2019-12-28 2021-07-01 诚瑞光学(常州)股份有限公司 Optical camera lens
JP6923737B1 (en) * 2020-10-30 2021-08-25 エーエーシー オプティックス （ソシュウ） カンパニーリミテッド Imaging optical lens
JP6926315B1 (en) * 2020-10-30 2021-08-25 エーエーシー オプティックス （ソシュウ） カンパニーリミテッド Imaging optical lens
US11733487B2 (en) 2019-08-12 2023-08-22 Zhejiang Sunny Optical Co., Ltd. Optical imaging lens assembly
CN109239891B (en) * 2018-11-16 2024-04-19 浙江舜宇光学有限公司 Optical imaging lens group

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109239891A (en) * 2018-11-16 2019-01-18 浙江舜宇光学有限公司 optical imaging lens group
CN109239891B (en) * 2018-11-16 2024-04-19 浙江舜宇光学有限公司 Optical imaging lens group
US11733487B2 (en) 2019-08-12 2023-08-22 Zhejiang Sunny Optical Co., Ltd. Optical imaging lens assembly
WO2021031234A1 (en) * 2019-08-19 2021-02-25 诚瑞光学(常州)股份有限公司 Camera optical lens
CN111025589A (en) * 2019-12-28 2020-04-17 瑞声通讯科技(常州)有限公司 Image pickup optical lens
WO2021128380A1 (en) * 2019-12-28 2021-07-01 诚瑞光学(常州)股份有限公司 Optical camera lens
CN111025589B (en) * 2019-12-28 2021-09-24 诚瑞光学(常州)股份有限公司 Image pickup optical lens
JP6923737B1 (en) * 2020-10-30 2021-08-25 エーエーシー オプティックス （ソシュウ） カンパニーリミテッド Imaging optical lens
JP6926315B1 (en) * 2020-10-30 2021-08-25 エーエーシー オプティックス （ソシュウ） カンパニーリミテッド Imaging optical lens
JP2022073866A (en) * 2020-10-30 2022-05-17 エーエーシー オプティックス （ソシュウ） カンパニーリミテッド Image capturing optical lens
JP2022073867A (en) * 2020-10-30 2022-05-17 エーエーシー オプティックス （ソシュウ） カンパニーリミテッド Image capturing optical lens

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