CN208705549U - Optical imagery eyeglass group - Google Patents
Optical imagery eyeglass group Download PDFInfo
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- CN208705549U CN208705549U CN201821257594.4U CN201821257594U CN208705549U CN 208705549 U CN208705549 U CN 208705549U CN 201821257594 U CN201821257594 U CN 201821257594U CN 208705549 U CN208705549 U CN 208705549U
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Abstract
This application discloses a kind of optical imagery eyeglass 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 by object side to image side along optical axis.First lens have positive light coke, and object side and image side surface are convex surface；Second lens have focal power, and object side is concave surface；The third lens have focal power；4th lens have negative power；5th lens have positive light coke；6th lens have focal power；7th lens have focal power, and object side is concave surface；And the 8th lens have negative power.
Description
Technical field
This application involves a kind of optical imagery eyeglass groups, more specifically, this application involves a kind of light including eight lens
It studies as lens set.
Background technique
In recent years, with the quick update of the portable electronic products such as mobile phone, tablet computer, product end is imaged in market
The requirement of camera lens is further diversified.At this stage, in addition to requiring imaging lens to have the feature of miniaturization can preferably be applicable in
Except portable electronic product, camera lens is also required to have many characteristics, such as high pixel, high-resolution and long-focus, it is each to meet
The imaging demand in field.
Especially double proposed in camera function take the photograph concept at present, need to utilize 2-3 optical imaging lens and core
Picture Processing Algorithm combines to realize 3-5 Zoom Lens.A telephoto lens in these imaging lens, which need to have, puts
The characteristics such as multiplying power is big, the depth of field is small greatly make shooting effect more preferably to help to create the phenomenon that image background blurs.
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 imagery eyeglass group of at least one above-mentioned disadvantage, for example, can be used as double optical imaging lens for taking the photograph the telephoto lens in camera lens
Piece group.
On the one hand, this application provides such a optical imagery eyeglass group, the optical imagery eyeglass group along optical axis by
Object side to image side 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.Wherein, the first lens can have positive light coke, and object side and image side surface can be convex surface；Second thoroughly
Mirror has positive light coke or negative power, and object side can be concave surface；The third lens have positive light coke or negative power；4th
Lens can have negative power；5th lens can have positive light coke；6th lens have positive light coke or negative power；7th
Lens have positive light coke or negative power, and object side can be concave surface；And the 8th lens can have negative power.
In one embodiment, the maximum angle of half field-of view HFOV of optical imagery eyeglass group can meet HFOV≤30 °.
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f1 of the first lens can
Meet 0.3 < f1/f < 1.2.
In one embodiment, the object side of the maximum effective half bore DT11 and the 4th lens of the object side of the first lens
The effective half bore DT41 of maximum in face can meet 1 < DT11/DT41 < 2.5.
In one embodiment, the intersection point of the 4th lens image side surface and optical axis is to effective half mouthful of the 4th lens image side surface
The intersection point of distance SAG42 and seventh lens object side and optical axis of the diameter vertex on optical axis are to effectively the half of the 7th lens object side
Distance SAG71 of the bore vertex on optical axis can meet | SAG42/SAG71 | < 0.7.
In one embodiment, the effective focal length f4 of the 4th lens and the effective focal length f5 of the 5th lens can meet -1.5
< f4/f5 < -0.3.
In one embodiment, the song of the object side of the radius of curvature R 13 and the first lens of the object side of the 7th lens
Rate radius R1 can meet -2.5 < R13/R1 < -0.5.
In one embodiment, the first lens on optical axis center thickness CT1, the second lens are in the center on optical axis
Thickness CT2 and the third lens can meet 0.5 < CT1/ (CT2+CT3) < 2.5 in the center thickness CT3 on optical axis.
In one embodiment, the 5th lens on optical axis center thickness CT5, the 6th lens are in the center on optical axis
Thickness CT6 and the 7th lens can meet 0.9 < CT5/ (CT6+CT7) < 2 in the center thickness CT7 on optical axis.
In one embodiment, the combined focal length f67 and the first lens of the 6th lens and the 7th lens, the second lens and
The combined focal length f123 of the third lens can meet -3≤f67/f123 < -1.
In one embodiment, the first lens spacing distance of two lens of arbitrary neighborhood on optical axis into the 8th lens
Summation ∑ AT and the object side of the first lens to optical imagery eyeglass group imaging surface on optical axis distance TTL can meet
0.2 < ∑ AT/TTL < 0.5.
On the other hand, present invention also provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along light
Axis by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens,
7th lens and the 8th lens.Wherein, the first lens can have positive light coke, and object side and image side surface can be convex surface；The
Two lens have positive light coke or negative power, and object side can be concave surface；The third lens have positive light coke or negative power；
4th lens can have negative power；5th lens can have positive light coke；6th lens have positive light coke or negative power；
7th lens have positive light coke or negative power；And the 8th lens can have negative power.Wherein, optical imagery eyeglass group
Maximum angle of half field-of view 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 imagery eyeglass group has focal length, high image quality and miniaturization
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 imagery eyeglass 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 imagery eyeglass group of embodiment 1, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 2, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 3, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 4, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 5, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 6, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 7, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 8, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imagery eyeglass 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 imagery eyeglass group of embodiment 9, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 19 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass 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 the object of the lens close to the surface of object side
Side, each lens are known as the image side surface of the lens close to the surface of image side.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imagery eyeglass 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 can have positive light coke, and object side and image side surface can be convex surface；
Second lens have positive light coke or negative power, and object side is concave surface；The third lens have positive light coke or negative power；
4th lens can have negative power；5th lens can have positive light coke；6th lens have positive light coke or negative power；
7th lens have positive light coke or negative power, and object side can be concave surface；8th lens can have negative power.First thoroughly
Mirror has positive light coke, is conducive to the astigmatism for correcting meridian direction, and the 8th lens undertake negative power, are conducive to correction hereby
The characteristics of cutting down the curvature of field, while light being dissipated to realize system focal length.Convex surface, are set by the first lens image side surface
Two lens object sides are set as concave surface, can effectively correct color difference.By rationally controlling the 4th lens and the 5th power of lens
And the 7th lens face type, can active balance system low order aberration, and then make imaging lens group have it is good at image quality
Amount.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional HFOV≤30 °, wherein
HFOV is the maximum angle of half field-of view of optical imagery eyeglass group.More specifically, HFOV can further meet 22 °≤HFOV≤28 °, example
Such as 23.3 °≤HFOV≤25.2 °.The full filed angle for controlling imaging lens group is not more than 60 °, can be specific in sensor image planes size
In the case where make optical imagery eyeglass group have longer total effective focal length, and then have biggish enlargement ratio and lesser scape
It is deep.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1 < DT11/DT41 < of conditional
2.5, wherein DT11 is effective half bore of maximum of the object side of the first lens, and DT41 is the maximum of the object side of the 4th lens
Effective half bore.More specifically, DT11 and DT41 can further meet 1.22≤DT11/DT41≤2.33.Proper restraint first
Effective half bore of maximum of lens object side and effective half bore of maximum of the 4th lens object side, on the one hand can internal visual field light
Line carries out blocking light, reduces coma outside axis by reducing bore；On the other hand externally visual field light can be blocked suitably to guarantee lens set
Relative illumination be in zone of reasonableness.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional | SAG42/SAG71 | <
0.7, wherein SAG42 is that effective half bore vertex of intersection point to the 4th lens image side surface of the 4th lens image side surface and optical axis exists
Distance on optical axis, SAG71 are the intersection point of the 7th lens object side and optical axis to effective half bore top of the 7th lens object side
Distance of the point on optical axis.More specifically, SAG42 and SAG71 can further meet 0.05≤| SAG42/SAG71 |≤0.61.
Rationally control SAG42 and SAG71, helps to ensure that the moulding process of eyeglass, while can also be effectively reduced the wind to form ghost image
Danger.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.3 < f1/f < 1.2 of conditional,
Wherein, f is total effective focal length of optical imagery eyeglass group, and f1 is the effective focal length of the first lens.More specifically, f1 and f is into one
Step can meet 0.41≤f1/f≤1.14.Rationally the first power of lens of control, makes it have biggish positive light coke, can make
Optical imagery eyeglass group has preferable balance curvature of field ability.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -1.5 < f4/f5 < of conditional -
0.3, wherein f4 is the effective focal length of the 4th lens, and f5 is the effective focal length of the 5th lens.More specifically, f4 and f5 are further
- 1.47≤f4/f5≤- 0.38 can be met.Pass through the conjunction of the 4th lens and the negative focal power of the 5th lens two panels eyeglass one positive one
Reason distribution, is conducive to the color difference of balance system generation.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional -3≤f67/f123 < -
1, wherein f67 is the combined focal length of the 6th lens and the 7th lens, and f123 is the first lens, the second lens and the third lens
Combined focal length.More specifically, f67 and f123 can further meet -3.00≤f67/f123≤- 1.02.First lens, second are thoroughly
Mirror and the third lens undertake positive light coke as a whole, can assemble to the light beam of object space incidence, and the 6th lens and the 7th are thoroughly
Mirror undertakes negative power as a whole, can carry out a degree of diverging to light beam, is conducive to correct high-order spherical aberration and the outer broom of axis
Difference.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.5 < CT1/ (CT2+ of conditional
CT3) 2.5 <, wherein CT1 is the first lens in the center thickness on optical axis, and CT2 is that the second lens are thick in the center on optical axis
Degree, CT3 are the third lens in the center thickness on optical axis.More specifically, CT1, CT2 and CT3 can further meet 0.71≤
CT1/(CT2+CT3)≤2.42.The center thickness of the first lens of reasonable distribution, the second lens and the third lens, it can be ensured that optics
Imaging lens group has lesser optics total length.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -2.5 < R13/R1 < of conditional -
0.5, wherein R13 is the radius of curvature of the object side of the 7th lens, and R1 is the radius of curvature of the object side of the first lens.More
Body, R13 and R1 can further meet -2.28≤R13/R1≤- 0.80.Rationally the 7th lens object side of control and the first lens
The range of curvature radius of object side, the ghost image position that may make the reflection of the two mirror surface evens to generate are moved to imaging significant surface
Outside, so as to effectively reduce generate ghost image risk.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.9 < CT5/ (CT6+ of conditional
CT7) 2 <, wherein CT5 is the 5th lens in the center thickness on optical axis, and CT6 is the 6th lens in the center thickness on optical axis,
CT7 is the 7th lens in the center thickness on optical axis.More specifically, CT5, CT6 and CT7 can further meet 0.93≤CT5/
(CT6+CT7)≤1.89.Light is adjusted in the center thickness on optical axis by control the 5th lens, the 6th lens and the 7th lens
The distribution of focal power is conducive on the imaging surface for making incident ray that can be focused at optical imagery eyeglass group after each lens.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.2 < ∑ AT/TTL < of conditional
0.5, wherein ∑ AT is the summation of the first lens spacing distance of two lens of arbitrary neighborhood on optical axis into the 8th lens, TTL
For the first lens object side to optical imagery eyeglass group distance of the imaging surface on optical axis.More specifically, ∑ AT and TTL into
One step can meet 0.25≤∑ AT/TTL≤0.40.Meet 0.2 < ∑ AT/TTL < 0.5 of conditional, can effectively reduce optics at
As the size of lens set, to avoid the volume of optical imagery eyeglass group excessive；Meanwhile the assembling difficulty of eyeglass can be also reduced,
And it can realize higher space utilization rate.
In the exemplary embodiment, above-mentioned optical imagery eyeglass group may also include diaphragm, with promoted camera lens at image quality
Amount.Optionally, diaphragm may be provided between the third lens and the 4th lens.
Optionally, above-mentioned optical imagery eyeglass 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 imagery eyeglass 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 the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imaging lens
Piece group, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Optical imagery eyeglass group through the above configuration is also
There can be the beneficial effects such as focal length, high image quality and miniaturization.Optical imagery eyeglass group as described above can preferably be made
Technology is taken the photograph applied to double for telephoto lens.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror.Non-spherical lens
The characteristics of be: from lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter
The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture
The advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve
Image quality.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting optical imagery eyeglass 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 imagery eyeglass group may also include the lens of other quantity.
The specific implementation for being applicable to the optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 1.Fig. 1 shows basis
The structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 1.
As shown in Figure 1, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave 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 1 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass 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、A16And A18。
Table 2
Table 3 provides the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 1, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.38 | f3(mm) | 5.69 |
| TTL(mm) | 7.30 | f4(mm) | -3.77 |
| HFOV(°) | 25.2 | f5(mm) | 5.14 |
| f(mm) | 7.00 | f6(mm) | -15.09 |
| f1(mm) | 8.00 | f7(mm) | -34.77 |
| f2(mm) | 1500.16 | f8(mm) | -7.44 |
Table 3
Optical imagery eyeglass group in embodiment 1 meets:
DT11/DT41=1.53, wherein effective half bore of maximum that DT11 is the object side S1 of the first lens E1, DT41
For effective half bore of maximum of the object side S7 of the 4th lens E4；
| SAG42/SAG71 |=0.49, wherein the intersection point of image side surface S8 and optical axis that SAG42 is the 4th lens E4 to the
Distance of the effective half bore vertex of four lens E4 image side surface S8 on optical axis, SAG71 be the 7th lens E7 object side S13 and
Distance of the intersection point of optical axis to effective half bore vertex of the 7th lens E7 object side S13 on optical axis；
F1/f=1.14, wherein f is total effective focal length of optical imagery eyeglass group, and f1 is effective coke of the first lens E1
Away from；
F4/f5=-0.73, wherein f4 is the effective focal length of the 4th lens E4, and f5 is the effective focal length of the 5th lens E5；
F67/f123=-3.00, wherein f67 is the combined focal length of the 6th lens E6 and the 7th lens E7, f123 first
The combined focal length of lens E1, the second lens E2 and the third lens E3；
CT1/ (CT2+CT3)=0.71, wherein CT1 is the first lens E1 in the center thickness on optical axis, CT2 second
For lens E2 in the center thickness on optical axis, CT3 is the third lens E3 in the center thickness on optical axis；
R13/R1=-0.80, wherein R13 is the radius of curvature of the object side S13 of the 7th lens E7, and R1 is the first lens
The radius of curvature of the object side S1 of E1；
CT5/ (CT6+CT7)=1.88, wherein CT5 is the 5th lens E5 in the center thickness on optical axis, and CT6 is the 6th
For lens E6 in the center thickness on optical axis, CT7 is the 7th lens E7 in the center thickness on optical axis；
∑ AT/TTL=0.31, wherein ∑ AT be the first lens E1 into the 8th lens E8 two lens of arbitrary neighborhood in light
The summation of spacing distance on axis, the imaging surface S19 of the object side S1 that TTL is the first lens E1 to optical imagery eyeglass group is in light
Distance on axis.
Fig. 2A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 1, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 1, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imagery eyeglass group of embodiment 1, indicates not
With distortion sizes values corresponding to image height.Fig. 2 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 1, table
Show light via the deviation of the different image heights after camera lens on imaging surface.A to Fig. 2 D is it is found that given by embodiment 1 according to fig. 2
Optical imagery eyeglass group can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imagery eyeglass 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 imagery eyeglass group.
As shown in figure 3, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave 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 imagery eyeglass 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 |
| S1 | -9.5530E-04 | 1.0230E-03 | -2.5937E-03 | 1.9958E-03 | -8.4689E-04 | 1.9268E-04 | -2.0988E-05 | 8.1987E-07 |
| S2 | 1.3634E-02 | -2.0361E-02 | 1.6505E-02 | -9.4394E-03 | 3.5814E-03 | -8.1208E-04 | 9.8596E-05 | -4.9361E-06 |
| S3 | 3.2636E-02 | -7.7726E-02 | 1.1033E-01 | -1.0218E-01 | 6.0070E-02 | -2.1364E-02 | 4.1574E-03 | -3.3708E-04 |
| S4 | -5.7542E-03 | -3.4794E-02 | 1.2640E-01 | -1.7210E-01 | 1.2388E-01 | -5.0298E-02 | 1.0862E-02 | -9.5933E-04 |
| S5 | -1.7120E-02 | -1.8270E-02 | 1.3063E-01 | -2.1001E-01 | 1.7217E-01 | -8.6707E-02 | 2.5704E-02 | -3.3229E-03 |
| S6 | 5.1065E-02 | -1.0127E-01 | 6.5828E-03 | 2.5658E-01 | -4.8330E-01 | 4.0692E-01 | -1.6689E-01 | 2.7170E-02 |
| S7 | 3.9409E-02 | -1.5101E-01 | 1.6759E-01 | 8.0763E-02 | -4.6221E-01 | 5.5851E-01 | -3.0269E-01 | 6.3468E-02 |
| S8 | 1.5004E-02 | -1.1626E-01 | 3.2888E-01 | -5.6092E-01 | 6.7260E-01 | -5.2602E-01 | 2.4322E-01 | -5.0807E-02 |
| S9 | -7.5924E-03 | 2.2186E-02 | -8.0279E-02 | 1.2555E-01 | -1.1246E-01 | 5.6894E-02 | -1.4182E-02 | 1.3188E-03 |
| S10 | -1.7957E-02 | 4.7040E-02 | -1.2946E-01 | 1.7328E-01 | -1.4573E-01 | 7.5147E-02 | -2.1701E-02 | 2.7574E-03 |
| S11 | -2.8278E-02 | 9.3629E-02 | -1.2221E-01 | 5.5611E-02 | 1.3043E-02 | -2.6108E-02 | 1.0871E-02 | -1.5305E-03 |
| S12 | -2.7616E-02 | 8.7737E-02 | -9.8276E-02 | 5.1591E-02 | -7.4348E-03 | -4.8325E-03 | 2.3178E-03 | -2.9915E-04 |
| S13 | 5.2147E-03 | -6.6477E-03 | 4.1098E-03 | -2.4178E-03 | 9.5969E-04 | -1.9239E-04 | 1.5858E-05 | -2.5729E-07 |
| S14 | 3.0265E-02 | -4.7387E-02 | 3.4591E-02 | -1.4936E-02 | 4.1868E-03 | -7.2887E-04 | 6.7867E-05 | -2.4048E-06 |
| S15 | 6.3623E-03 | -2.3625E-02 | 1.2500E-02 | -2.8878E-03 | 4.0845E-04 | -4.4962E-05 | 3.2631E-06 | -7.9254E-08 |
| S16 | -2.4980E-02 | -5.5959E-04 | 8.1373E-05 | 5.1176E-05 | -1.2628E-05 | 1.2862E-06 | -7.8274E-08 | 1.9262E-09 |
Table 5
Table 6 provides the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 2, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.30 | f3(mm) | 8.15 |
| TTL(mm) | 7.37 | f4(mm) | -4.09 |
| HFOV(°) | 24.4 | f5(mm) | 5.21 |
| f(mm) | 7.00 | f6(mm) | -27.63 |
| f1(mm) | 5.02 | f7(mm) | -16.23 |
| f2(mm) | -21.66 | f8(mm) | -8.78 |
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 2, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 2, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imagery eyeglass group of embodiment 2, indicates not
With distortion sizes values corresponding to image height.Fig. 4 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 2, table
Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that given by embodiment 2
Optical imagery eyeglass group can be realized good image quality.
Embodiment 3
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 3.
As shown in figure 5, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, 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 7 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass 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 ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 3, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.40 | f3(mm) | 7.45 |
| TTL(mm) | 6.98 | f4(mm) | -3.40 |
| HFOV(°) | 24.9 | f5(mm) | 9.00 |
| f(mm) | 7.00 | f6(mm) | 15.65 |
| f1(mm) | 5.34 | f7(mm) | -5.56 |
| f2(mm) | 198.30 | f8(mm) | -18.64 |
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 3, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 3, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imagery eyeglass group of embodiment 3, indicates not
With distortion sizes values corresponding to image height.Fig. 6 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 3, table
Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that given by embodiment 3
Optical imagery eyeglass group can be realized good image quality.
Embodiment 4
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is concave surface.8th lens E8 has negative power, 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 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass 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 |
| S1 | -3.4371E-03 | -7.4547E-04 | 3.0957E-04 | -3.4555E-04 | 1.3587E-04 | -2.5384E-05 | 2.6551E-06 | -6.7212E-08 |
| S2 | 1.6203E-02 | -1.8690E-02 | 2.6080E-03 | 6.4402E-03 | -4.7383E-03 | 1.5308E-03 | -2.4734E-04 | 1.6115E-05 |
| S3 | 3.6720E-02 | -6.2008E-02 | 4.3100E-02 | -1.3651E-02 | 5.3913E-04 | 9.7236E-04 | -2.8509E-04 | 2.6040E-05 |
| S4 | -1.1372E-02 | 3.2587E-02 | -4.4380E-02 | 3.4129E-02 | -1.5897E-02 | 4.4931E-03 | -7.0667E-04 | 4.6795E-05 |
| S5 | -3.7655E-02 | 7.7227E-02 | -5.9200E-02 | 1.3661E-03 | 1.9466E-02 | -1.2013E-02 | 3.4191E-03 | -3.9421E-04 |
| S6 | 4.6180E-02 | -1.1088E-01 | 1.6177E-01 | -2.1485E-01 | 1.7514E-01 | -8.1116E-02 | 2.0119E-02 | -2.0900E-03 |
| S7 | 2.7016E-02 | -1.2240E-01 | 2.3256E-01 | -2.7383E-01 | 2.1502E-01 | -1.0450E-01 | 2.8129E-02 | -3.2234E-03 |
| S8 | -1.0899E-02 | -5.8974E-02 | 1.9668E-01 | -2.8158E-01 | 3.0440E-01 | -2.2773E-01 | 1.0072E-01 | -1.9655E-02 |
| S9 | 9.3597E-03 | -2.1967E-02 | 4.1606E-02 | -6.5351E-02 | 6.8859E-02 | -4.1807E-02 | 1.3444E-02 | -1.7495E-03 |
| S10 | -6.2589E-03 | -1.6409E-02 | -1.7499E-02 | 3.5704E-02 | -3.8405E-02 | 2.6124E-02 | -9.6231E-03 | 1.4847E-03 |
| S11 | 2.4792E-02 | -6.4242E-02 | 4.3808E-02 | -2.3920E-02 | -4.3010E-03 | 1.4537E-02 | -6.5691E-03 | 9.6028E-04 |
| S12 | 4.1745E-02 | -8.4954E-02 | 8.5775E-02 | -5.6005E-02 | 2.9014E-02 | -1.2034E-02 | 3.3113E-03 | -3.9861E-04 |
| S13 | 1.0632E-01 | -2.9187E-01 | 2.8660E-01 | -1.7553E-01 | 8.5948E-02 | -3.4927E-02 | 9.1770E-03 | -1.0287E-03 |
| S14 | 8.8128E-02 | -1.8945E-01 | 1.6833E-01 | -8.7977E-02 | 2.9177E-02 | -6.0785E-03 | 7.3140E-04 | -3.8976E-05 |
| S15 | -5.2081E-02 | 4.1211E-02 | -2.5574E-02 | 1.0515E-02 | -2.6300E-03 | 3.8824E-04 | -3.1188E-05 | 1.0441E-06 |
| S16 | -4.6748E-02 | 1.3671E-02 | -1.6419E-03 | -9.7527E-04 | 5.5980E-04 | -1.2412E-04 | 1.3281E-05 | -5.7447E-07 |
Table 11
Table 12 provides the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 4, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.40 | f3(mm) | 11.20 |
| TTL(mm) | 7.40 | f4(mm) | -4.69 |
| HFOV(°) | 23.4 | f5(mm) | 5.96 |
| f(mm) | 7.50 | f6(mm) | -108.58 |
| f1(mm) | 4.32 | f7(mm) | -6.14 |
| f2(mm) | -13.07 | f8(mm) | -34.11 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 4, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 4, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imagery eyeglass group of embodiment 4, indicates not
With distortion sizes values corresponding to image height.Fig. 8 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 4, table
Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that given by embodiment 4
Optical imagery eyeglass group can be realized good image quality.
Embodiment 5
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 5.
As shown in figure 9, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.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 concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, 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 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass 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 the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 5, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.30 | f3(mm) | -436.67 |
| TTL(mm) | 7.30 | f4(mm) | -7.00 |
| HFOV(°) | 23.3 | f5(mm) | 4.75 |
| f(mm) | 7.30 | f6(mm) | -9.35 |
| f1(mm) | 3.00 | f7(mm) | -12.49 |
| f2(mm) | -6.20 | f8(mm) | -15.11 |
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 5, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 5, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imagery eyeglass group of embodiment 5, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 10 D shows the optical imagery eyeglass group of embodiment 5 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 10 A to Figure 10 D it is found that implementing
Optical imagery eyeglass group given by example 5 can be realized good image quality.
Embodiment 6
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 6.
As shown in figure 11, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex 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 positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, 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 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass 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 |
| S1 | -3.8318E-03 | -4.2713E-04 | 5.8677E-04 | -6.6151E-04 | 4.8847E-04 | -1.9026E-04 | 3.5514E-05 | -2.4137E-06 |
| S2 | 2.1210E-02 | -4.7759E-02 | 5.0287E-02 | -3.0905E-02 | 1.1731E-02 | -2.7000E-03 | 3.4482E-04 | -1.8736E-05 |
| S3 | 3.9423E-02 | -9.6965E-02 | 1.1707E-01 | -8.7678E-02 | 4.1048E-02 | -1.1426E-02 | 1.7035E-03 | -1.0375E-04 |
| S4 | 7.8683E-03 | -1.3140E-02 | 1.8313E-02 | -2.3230E-02 | 1.7356E-02 | -6.7400E-03 | 1.2743E-03 | -9.2109E-05 |
| S5 | -1.9057E-02 | 6.0946E-02 | -7.7487E-02 | 4.3885E-02 | -1.8685E-02 | 9.4708E-03 | -4.0215E-03 | 7.4313E-04 |
| S6 | 2.1853E-02 | -4.4108E-02 | 4.4340E-02 | -8.9282E-02 | 9.8214E-02 | -5.2375E-02 | 1.2865E-02 | -1.0264E-03 |
| S7 | 2.0983E-02 | -9.0337E-02 | 1.6675E-01 | -2.3072E-01 | 2.3142E-01 | -1.4697E-01 | 5.2454E-02 | -8.0790E-03 |
| S8 | -6.2122E-03 | -4.7257E-02 | 1.4441E-01 | -1.9886E-01 | 2.0013E-01 | -1.3905E-01 | 5.7099E-02 | -1.0366E-02 |
| S9 | -4.4480E-03 | -8.7395E-03 | 1.0142E-02 | -1.5102E-02 | 1.8743E-02 | -1.2189E-02 | 3.8107E-03 | -3.9635E-04 |
| S10 | -1.1010E-02 | 3.3128E-03 | -4.3733E-02 | 7.0304E-02 | -6.3070E-02 | 3.4509E-02 | -1.0659E-02 | 1.4329E-03 |
| S11 | 8.6368E-03 | -3.7035E-02 | 5.0711E-02 | -9.0487E-02 | 9.8876E-02 | -5.9410E-02 | 1.8648E-02 | -2.3872E-03 |
| S12 | 5.6862E-03 | -1.0185E-02 | 1.3959E-02 | -1.7064E-02 | 1.3657E-02 | -5.9776E-03 | 1.3176E-03 | -1.1432E-04 |
| S13 | 8.2570E-02 | -1.5934E-01 | 1.4116E-01 | -7.6434E-02 | 2.7190E-02 | -6.0530E-03 | 6.9312E-04 | -2.3990E-05 |
| S14 | 8.3244E-02 | -1.5167E-01 | 1.1837E-01 | -5.0185E-02 | 1.2670E-02 | -1.9364E-03 | 1.6836E-04 | -6.5202E-06 |
| S15 | -1.8202E-03 | -3.5084E-02 | 3.2239E-02 | -1.3258E-02 | 3.1140E-03 | -4.3482E-04 | 3.3850E-05 | -1.1410E-06 |
| S16 | -3.6621E-02 | 1.0051E-02 | -3.1559E-03 | 8.0454E-04 | -1.3934E-04 | 1.4305E-05 | -6.7428E-07 | 3.7879E-09 |
Table 17
Table 18 provides the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 6, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.40 | f3(mm) | 7.73 |
| TTL(mm) | 7.50 | f4(mm) | -3.51 |
| HFOV(°) | 24.6 | f5(mm) | 5.11 |
| f(mm) | 7.08 | f6(mm) | -8.98 |
| f1(mm) | 5.80 | f7(mm) | 200.00 |
| f2(mm) | 49.19 | f8(mm) | -8.41 |
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 6, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 6, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imagery eyeglass group of embodiment 6, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 12 D shows the optical imagery eyeglass group of embodiment 6 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 12 A to Figure 12 D it is found that implementing
Optical imagery eyeglass group given by example 6 can be realized good image quality.
Embodiment 7
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 7.
As shown in figure 13, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.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 concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, 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 imagery eyeglass 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 the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 7, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.40 | f3(mm) | 11.82 |
| TTL(mm) | 7.49 | f4(mm) | -4.92 |
| HFOV(°) | 24.8 | f5(mm) | 5.42 |
| f(mm) | 7.00 | f6(mm) | -18.80 |
| f1(mm) | 4.31 | f7(mm) | -6.85 |
| f2(mm) | -12.00 | f8(mm) | -200.00 |
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 7, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 7, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imagery eyeglass group of embodiment 7, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 14 D shows the optical imagery eyeglass group of embodiment 7 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 14 A to Figure 14 D it is found that implementing
Optical imagery eyeglass group given by example 7 can be realized good image quality.
Embodiment 8
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 8.
As shown in figure 15, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, 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 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass 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 |
| S1 | -7.3159E-04 | -1.2432E-04 | -1.4282E-04 | -2.2838E-05 | 4.2496E-05 | -2.0457E-05 | 4.9947E-06 | -4.4327E-07 |
| S2 | 1.2999E-02 | -1.6963E-02 | 1.0716E-02 | -4.4165E-03 | 1.2801E-03 | -2.4139E-04 | 2.5680E-05 | -1.1623E-06 |
| S3 | 4.4033E-02 | -1.0513E-01 | 1.3294E-01 | -1.0665E-01 | 5.5314E-02 | -1.7890E-02 | 3.2576E-03 | -2.5293E-04 |
| S4 | -4.8106E-03 | -2.2261E-02 | 8.6590E-02 | -1.2168E-01 | 8.8841E-02 | -3.6248E-02 | 7.8407E-03 | -6.9273E-04 |
| S5 | -3.0239E-02 | 5.7601E-02 | -1.9342E-02 | -3.6234E-02 | 2.9953E-02 | -7.1030E-03 | -4.7929E-05 | 2.0179E-04 |
| S6 | 4.4715E-02 | -1.1405E-01 | 1.1837E-01 | -5.7765E-02 | -4.5455E-02 | 8.0258E-02 | -4.0446E-02 | 7.0325E-03 |
| S7 | 4.3241E-02 | -1.6821E-01 | 2.4181E-01 | -1.3136E-01 | -1.2914E-01 | 2.8940E-01 | -2.0343E-01 | 5.2338E-02 |
| S8 | 5.3786E-03 | -8.8971E-02 | 2.0109E-01 | -1.5157E-01 | -7.3814E-02 | 2.7815E-01 | -2.3720E-01 | 7.1099E-02 |
| S9 | -5.3613E-03 | -1.3949E-02 | 2.8371E-02 | -7.2700E-02 | 1.1206E-01 | -9.7405E-02 | 4.4828E-02 | -8.1608E-03 |
| S10 | -1.1300E-03 | -2.0193E-03 | -2.5356E-02 | 3.6767E-02 | -3.4354E-02 | 2.1107E-02 | -7.6221E-03 | 1.2424E-03 |
| S11 | -1.7809E-03 | 6.1103E-02 | -1.0114E-01 | 6.1033E-02 | -9.5162E-03 | -8.6890E-03 | 5.0254E-03 | -7.9116E-04 |
| S12 | -3.0220E-02 | 8.3353E-02 | -9.3334E-02 | 5.1388E-02 | -1.2143E-02 | -6.7566E-04 | 8.4945E-04 | -1.0572E-04 |
| S13 | 1.6451E-02 | -2.6675E-02 | 1.2393E-02 | -8.3750E-03 | 6.8738E-03 | -1.7750E-03 | -2.6581E-04 | 1.1407E-04 |
| S14 | 3.5340E-02 | -3.6123E-02 | 3.7371E-03 | 1.1739E-02 | -7.1138E-03 | 1.8086E-03 | -2.2123E-04 | 1.0709E-05 |
| S15 | -1.5996E-02 | -7.0006E-03 | 1.0961E-02 | -4.3933E-03 | 9.1255E-04 | -1.0757E-04 | 6.8239E-06 | -1.8074E-07 |
| S16 | -3.8101E-02 | 1.1169E-02 | -3.3004E-03 | 9.0179E-04 | -1.9701E-04 | 2.9642E-05 | -2.5263E-06 | 8.9041E-08 |
Table 23
Table 24 provides the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 8, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.40 | f3(mm) | 8.72 |
| TTL(mm) | 7.50 | f4(mm) | -4.80 |
| HFOV(°) | 24.8 | f5(mm) | 5.49 |
| f(mm) | 7.00 | f6(mm) | -16.28 |
| f1(mm) | 4.46 | f7(mm) | -27.00 |
| f2(mm) | -11.52 | f8(mm) | -8.71 |
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 8, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 8, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imagery eyeglass group of embodiment 8, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 16 D shows the optical imagery eyeglass group of embodiment 8 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 16 A to Figure 16 D it is found that implementing
Optical imagery eyeglass group given by example 8 can be realized good image quality.
Embodiment 9
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 9.
As shown in figure 17, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, 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 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass 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.
Table 26
Table 27 provides the half ImgH of effective pixel area diagonal line length on imaging surface S19 in embodiment 9, the first lens E1
Distance TTL of the object side S1 to imaging surface S19 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group always have
Imitate the effective focal length f1 to f8 of focal length f and each lens.
| ImgH(mm) | 3.40 | f3(mm) | 11.16 |
| TTL(mm) | 7.40 | f4(mm) | -4.81 |
| HFOV(°) | 24.8 | f5(mm) | 5.94 |
| f(mm) | 7.00 | f6(mm) | -33.77 |
| f1(mm) | 4.32 | f7(mm) | -12.47 |
| f2(mm) | -12.00 | f8(mm) | -12.25 |
Table 27
Figure 18 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 9, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 18 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 9, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 18 C shows the distortion curve of the optical imagery eyeglass group of embodiment 9, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 18 D shows the optical imagery eyeglass group of embodiment 9 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 18 A to Figure 18 D it is found that implementing
Optical imagery eyeglass group given by example 9 can be realized good image quality.
Embodiment 10
The optical imagery eyeglass 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 imagery eyeglass group of the embodiment of the present application 10.
As shown in figure 19, according to the optical imagery eyeglass 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 concave surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is
Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has 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 concave surface, as
Side S14 is convex surface.8th lens E8 has negative power, 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 imagery eyeglass 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 |
| S1 | -7.9002E-04 | -3.4230E-03 | 4.4720E-07 | 2.0522E-03 | -1.5049E-03 | 3.9723E-04 | -2.1433E-05 | -3.9170E-06 |
| S2 | 3.7741E-02 | -1.3104E-01 | 1.9369E-01 | -1.5896E-01 | 7.8551E-02 | -2.3404E-02 | 3.9187E-03 | -2.8792E-04 |
| S3 | 7.6615E-02 | -2.7039E-01 | 4.4365E-01 | -4.1992E-01 | 2.4107E-01 | -8.3053E-02 | 1.5824E-02 | -1.2895E-03 |
| S4 | -7.5922E-03 | 2.3928E-02 | -9.6804E-03 | -1.1866E-02 | 5.9781E-03 | 6.2648E-03 | -5.0863E-03 | 9.8835E-04 |
| S5 | -4.2146E-02 | 1.4160E-01 | -2.1697E-01 | 1.8062E-01 | -1.0301E-01 | 4.4571E-02 | -1.3217E-02 | 1.8547E-03 |
| S6 | 8.6493E-02 | -2.7247E-01 | 4.5547E-01 | -5.1184E-01 | 3.6449E-01 | -1.5684E-01 | 3.7059E-02 | -3.6564E-03 |
| S7 | -1.5452E-02 | -1.3889E-01 | 4.0151E-01 | -5.2928E-01 | 4.0917E-01 | -1.8416E-01 | 4.3771E-02 | -4.0827E-03 |
| S8 | 7.8943E-02 | -3.6313E-01 | 8.9614E-01 | -1.3289E+00 | 1.2653E+00 | -7.4742E-01 | 2.4869E-01 | -3.5573E-02 |
| S9 | -1.7739E-03 | -3.3681E-02 | 4.0106E-02 | -2.8538E-02 | 1.3585E-02 | -3.0268E-03 | -1.3384E-04 | 1.3193E-04 |
| S10 | 6.1770E-03 | -5.4673E-02 | 5.9374E-02 | -4.0524E-02 | 1.8620E-02 | -4.8147E-03 | 3.5371E-04 | 6.4797E-05 |
| S11 | 4.9918E-02 | -1.6175E-01 | 1.9859E-01 | -1.6946E-01 | 1.0479E-01 | -4.3853E-02 | 1.0758E-02 | -1.1455E-03 |
| S12 | 4.0452E-02 | -1.3405E-01 | 1.6811E-01 | -1.4269E-01 | 8.6729E-02 | -3.5313E-02 | 8.4474E-03 | -8.7689E-04 |
| S13 | 7.7055E-02 | -1.4340E-01 | 1.3479E-01 | -9.6478E-02 | 5.2857E-02 | -1.9535E-02 | 4.0942E-03 | -3.5769E-04 |
| S14 | 5.8288E-02 | -7.3996E-02 | 3.7639E-02 | -4.9590E-03 | -2.7143E-03 | 1.2464E-03 | -1.9866E-04 | 1.1505E-05 |
| S15 | -4.7280E-02 | 1.0980E-02 | -8.2404E-03 | 5.2114E-03 | -1.5697E-03 | 2.4105E-04 | -1.8236E-05 | 5.2730E-07 |
| S16 | -1.6010E-02 | -1.6373E-02 | 1.0794E-02 | -3.9132E-03 | 9.0793E-04 | -1.3138E-04 | 1.0596E-05 | -3.6229E-07 |
Table 29
Table 30 provides half ImgH, the first lens of effective pixel area diagonal line length on imaging surface S19 in embodiment 10
Distance TTL of the object side S1 to imaging surface S19 of E1 on optical axis, maximum angle of half field-of view HFOV, optical imagery eyeglass group it is total
The effective focal length f1 to f8 of effective focal length f and each lens.
| ImgH(mm) | 3.40 | f3(mm) | 21.03 |
| TTL(mm) | 7.30 | f4(mm) | -5.21 |
| HFOV(°) | 24.8 | f5(mm) | 4.89 |
| f(mm) | 7.02 | f6(mm) | -12.32 |
| f1(mm) | 4.18 | f7(mm) | -12.87 |
| f2(mm) | -16.30 | f8(mm) | -14.06 |
Table 30
Figure 20 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 10, indicates the light of different wave length
Line deviates via the converging focal point after camera lens.Figure 20 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 10, table
Show meridianal image surface bending and sagittal image surface bending.Figure 20 C shows the distortion curve of the optical imagery eyeglass group of embodiment 10,
Indicate distortion sizes values corresponding to different image heights.Figure 20 D shows the ratio chromatism, of the optical imagery eyeglass group of embodiment 10
Curve indicates light via the deviation of the different image heights after camera lens on imaging surface.0A to Figure 20 D is it is found that reality according to fig. 2
Applying optical imagery eyeglass group given by example 10 can be realized good image quality.
To sum up, embodiment 1 to embodiment 10 meets relationship shown in table 31 respectively.
| Conditional/embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| HFOV(°) | 25.2 | 24.4 | 24.9 | 23.4 | 23.3 | 24.6 | 24.8 | 24.8 | 24.8 | 24.8 |
| DT11/DT41 | 1.53 | 2.03 | 1.75 | 1.71 | 1.22 | 1.77 | 1.93 | 2.33 | 1.92 | 1.36 |
| |SAG42/SAG71| | 0.49 | 0.25 | 0.40 | 0.55 | 0.61 | 0.46 | 0.41 | 0.32 | 0.40 | 0.05 |
| f1/f | 1.14 | 0.72 | 0.76 | 0.58 | 0.41 | 0.82 | 0.62 | 0.64 | 0.62 | 0.59 |
| f4/f5 | -0.73 | -0.79 | -0.38 | -0.79 | -1.47 | -0.69 | -0.91 | -0.87 | -0.81 | -1.07 |
| f67/f123 | -3.00 | -2.59 | -2.73 | -1.38 | -1.02 | -2.94 | -1.12 | -2.48 | -2.10 | -1.36 |
| CT1/(CT2+CT3) | 0.71 | 1.81 | 1.24 | 1.74 | 2.42 | 1.18 | 1.51 | 1.95 | 2.01 | 1.53 |
| R13/R1 | -0.80 | -0.83 | -0.91 | -1.26 | -2.28 | -1.10 | -0.91 | -0.86 | -1.02 | -1.36 |
| CT5/(CT6+CT7) | 1.88 | 1.86 | 1.70 | 1.89 | 1.25 | 0.93 | 1.51 | 1.79 | 1.85 | 1.79 |
| ∑AT/TTL | 0.31 | 0.33 | 0.33 | 0.30 | 0.30 | 0.25 | 0.33 | 0.29 | 0.28 | 0.40 |
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.The imaging device is equipped with optical imaging lens described above
Piece 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 (21)
1. optical imagery eyeglass group, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens,
4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
First lens have positive light coke, and object side and image side surface are convex surface；
Second lens have focal power, and object side is concave surface；
The third lens have focal power；
4th lens have negative power；
5th lens have positive light coke；
6th lens have focal power；
7th lens have focal power, and object side is concave surface；And
8th lens have negative power.
2. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group maximum half
Field angle HFOV meets HFOV≤30 °.
3. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
The effective focal length f1 of focal length f and first lens meets 0.3 < f1/f < 1.2.
4. optical imagery eyeglass group according to claim 3, which is characterized in that the maximum of the object side of first lens
The effective half bore DT41 of maximum of the object side of effective half bore DT11 and the 4th lens meets 1 < DT11/DT41 <
2.5。
5. optical imagery eyeglass group according to claim 1, which is characterized in that the 4th lens image side surface and the light
Distance SAG42 and described seventh of the intersection point of axis to effective half bore vertex of the 4th lens image side surface on the optical axis
The intersection point of lens object side and the optical axis to the 7th lens object side effective half bore vertex on the optical axis
Distance SAG71 meets | SAG42/SAG71 | < 0.7.
6. optical imagery eyeglass group according to claim 1, which is characterized in that the effective focal length f4 of the 4th lens with
The effective focal length f5 of 5th lens meets -1.5 < f4/f5 < -0.3.
7. optical imagery eyeglass group according to claim 1, which is characterized in that the curvature of the object side of the 7th lens
The radius of curvature R 1 of the object side of radius R13 and first lens meets -2.5 < R13/R1 < -0.5.
8. optical imagery eyeglass group according to any one of claim 1 to 7, which is characterized in that first lens in
Center thickness CT1, second lens on the optical axis on the optical axis center thickness CT2 and the third lens in
Center thickness CT3 on the optical axis meets 0.5 < CT1/ (CT2+CT3) < 2.5.
9. optical imagery eyeglass group according to any one of claim 1 to 7, which is characterized in that the 5th lens in
Center thickness CT5, the 6th lens on the optical axis on the optical axis center thickness CT6 and the 7th lens in
Center thickness CT7 on the optical axis meets 0.9 < CT5/ (CT6+CT7) < 2.
10. optical imagery eyeglass group according to any one of claim 1 to 7, which is characterized in that the 6th lens and
The combined focal length of the combined focal length f67 of 7th lens and first lens, second lens and the third lens
F123 meets -3≤f67/f123 < -1.
11. optical imagery eyeglass group according to any one of claim 1 to 7, which is characterized in that first lens are extremely
The summation ∑ AT of spacing distance of two lens of arbitrary neighborhood on the optical axis and first lens in 8th lens
Distance TTL of the imaging surface on the optical axis of object side to the optical imagery eyeglass group meets 0.2 < ∑ AT/TTL <
0.5。
It by object side to image side sequentially include: that the first lens, the second lens, third are saturating along optical axis 12. optical imagery eyeglass group
Mirror, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
First lens have positive light coke, and object side and image side surface are convex surface；
Second lens have focal power, and object side is concave surface；
The third lens have focal power；
4th lens have negative power；
5th lens have positive light coke；
6th lens have focal power；
7th lens have focal power；
8th lens have negative power；And
The maximum angle of half field-of view HFOV of the optical imagery eyeglass group meets HFOV≤30 °.
13. optical imagery eyeglass group according to claim 12, which is characterized in that the optical imagery eyeglass group always has
The effective focal length f1 for imitating focal length f and first lens meets 0.3 < f1/f < 1.2.
14. optical imagery eyeglass group according to claim 12, which is characterized in that the object side of first lens is most
The effective half bore DT41 of maximum of the object side of big effective half bore DT11 and the 4th lens meets 1 < DT11/DT41 <
2.5。
15. optical imagery eyeglass group according to claim 12, which is characterized in that the 4th lens image side surface and described
The intersection point of optical axis is to distance SAG42 of the effective half bore vertex of the 4th lens image side surface on the optical axis and described the
The intersection point of seven lens object sides and the optical axis to the 7th lens object side effective half bore vertex on the optical axis
Distance SAG71 meet | SAG42/SAG71 | < 0.7.
16. optical imagery eyeglass group according to claim 12, which is characterized in that the effective focal length f4 of the 4th lens
Meet -1.5 < f4/f5 < -0.3 with the effective focal length f5 of the 5th lens.
17. optical imagery eyeglass group according to claim 13, which is characterized in that the object side of the 7th lens is recessed
Face；
The satisfaction of radius of curvature R 1-of the object side of the radius of curvature R 13 and first lens of the object side of 7th lens
2.5 < R13/R1 < -0.5.
18. optical imagery eyeglass group according to claim 12, which is characterized in that first lens are on the optical axis
Center thickness CT1, second lens on the optical axis center thickness CT2 and the third lens on the optical axis
Center thickness CT3 meet 0.5 < CT1/ (CT2+CT3) < 2.5.
19. optical imagery eyeglass group according to claim 12, which is characterized in that the 5th lens are on the optical axis
Center thickness CT5, the 6th lens on the optical axis center thickness CT6 and the 7th lens on the optical axis
Center thickness CT7 meet 0.9 < CT5/ (CT6+CT7) < 2.
20. optical imagery eyeglass group described in any one of 2 to 19 according to claim 1, which is characterized in that the 6th lens
With the group focus of the combined focal length f67 of the 7th lens and first lens, second lens and the third lens
Meet -3≤f67/f123 < -1 away from f123.
21. optical imagery eyeglass group described in any one of 2 to 19 according to claim 1, which is characterized in that first lens
To the summation ∑ AT and first lens of spacing distance of two lens of arbitrary neighborhood on the optical axis in the 8th lens
Distance TTL of the imaging surface on the optical axis of object side to the optical imagery eyeglass group meet 0.2 < ∑ AT/TTL <
0.5。
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