CN209215720U - Optical imagery eyeglass group - Google Patents
Optical imagery eyeglass group Download PDFInfo
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- CN209215720U CN209215720U CN201822028527.1U CN201822028527U CN209215720U CN 209215720 U CN209215720 U CN 209215720U CN 201822028527 U CN201822028527 U CN 201822028527U CN 209215720 U CN209215720 U CN 209215720U
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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 and the 6th lens with focal power by object side to image side along optical axis.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；The object side of 6th lens is concave surface.The object side of first lens to optical imagery eyeglass group distance TTL of the imaging surface on optical axis and optical imagery eyeglass group imaging surface on the half ImgH of effective pixel area diagonal line length meet TTL/ImgH≤1.23.
Description
Technical field
This application involves a kind of optical imagery eyeglass groups, more particularly, to a kind of optical imagery including six-element lens
Lens set.
Background technique
As mobile phone shields the universal of technology comprehensively, the update that matched mobile phone optical system has also welcome a new wave is changed
In generation, becomes the necessary condition of matched application with the optical system of super large image planes and ultrashort system overall length.At the same time, with
The raising of image sensor performance and the reduction of size, the design freedom of corresponding camera lens is smaller and smaller, and design difficulty is even more
It is growing day by day.Thus, how to guarantee the big image planes characteristic of system under the premise of guaranteeing that mobile phone image quality does not decline and will be
System overall length be compressed to can application range be current urgent problem to be solved.
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.
On the one hand, this application provides such a optical imagery eyeglass group, the lens set is along optical axis by object side to picture
Side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th thoroughly
Mirror.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side is concave surface.Wherein, the object side of the first lens to optical imagery eyeglass group distance TTL of the imaging surface on optical axis with
The half ImgH of effective pixel area diagonal line length meets TTL/ImgH≤1.23 on the imaging surface of optical imagery eyeglass group.
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f6 of the 6th lens can meet f1/ |
F6 | < 1.45.
In one embodiment, the curvature of the image side surface of the radius of curvature R 1 and the first lens of the object side of the first lens
Radius R2 can meet 1.6 < (R2+R1)/(R2-R1) < 2.8.
In one embodiment, the curvature of the total effective focal length f, the image side surface of the second lens of optical imagery eyeglass group half
The radius of curvature R 11 of the object side of diameter R4 and the 6th lens can meet 0.1 < f/ (| R4-R11 |) < 0.9.
In one embodiment, the effective focal length f5 of the 5th lens and the effective focal length f2 of the second lens can meet -0.6
< (f5+f2)/(f5-f2) < 0.6.
In one embodiment, center thickness CT5, sixth lens center on optical axis of the 5th lens on optical axis
The spacing distance T45 and the 5th lens and the 6th lens of thickness CT6, the 4th lens and the 5th lens on optical axis are on optical axis
Spacing distance T56 can meet 0.3 < (CT5+CT6)/(T45+T56) < 0.9.
In one embodiment, the maximum effective radius DT61 of the object side of the 6th lens and the object side of the third lens
Maximum effective radius DT31 can meet 3.0 < DT61/DT31 < 3.5.
In one embodiment, the image side surface of maximum the effective radius DT42 and the third lens of the image side surface of the 4th lens
Maximum effective radius DT32 can meet 1.1 < DT42/DT32 < 1.6.
In one embodiment, center thickness CT3, fourth lens center on optical axis of the third lens on optical axis
Thickness CT4, the radius of curvature R 6 of image side surface of the third lens and the radius of curvature R 8 of image side surface of the 4th lens can meet 0 <
| CT3/R6+CT4/R8 | * 10 < 1.4.
In one embodiment, on the imaging surface of optical imagery eyeglass group effective pixel area diagonal line length half
Center thickness CT2 of the center thickness CT1, the second lens of ImgH, the first lens on optical axis on optical axis, the third lens are in light
The center thickness CT4 of center thickness CT3 and the 4th lens on optical axis on axis can meet 2.5 < ImgH/ (CT1+CT2+
CT3+CT4) 3.0 <.
In one embodiment, center thickness CT2 of the edge thickness ET2 and the second lens of the second lens on optical axis
0.9 < ET2/CT2 < 1.4 can be met.
In one embodiment, the intersection point of the object side of the first lens and optical axis to the object side of the first lens maximum
On the axis on effective radius vertex the intersection point of the image side surface and optical axis of distance SAG11 and the first lens to the first lens image side surface
Distance SAG12 can meet 0.3 < (SAG11-SAG12)/(SAG11+SAG12) < 0.9 on the axis on maximum effective radius vertex.
In one embodiment, the half Semi-FOV at the maximum field of view angle of optical imagery eyeglass group can meet 40 ° of <
50 ° of Semi-FOV <.
In one embodiment, the maximum incident angle degree of the chief ray incident electronics photosensory assembly of optical imagery eyeglass group
CRAmax can meet 35 ° of 40 ° of < CRAmax <.
On the other hand, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th thoroughly
Mirror.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side is concave surface.Wherein, the half ImgH of effective pixel area diagonal line length, first on the imaging surface of optical imagery eyeglass group
Center thickness CT2 of center thickness CT1, second lens of the lens on optical axis on optical axis, the third lens on optical axis in
The center thickness CT4 of heart thickness CT3 and the 4th lens on optical axis can meet 2.5 < ImgH/ (CT1+CT2+CT3+CT4) <
3.0。
In another aspect, the lens set is along optical axis by object side present invention also provides such a optical imagery eyeglass group
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th with focal power to image side
Lens.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side be concave surface.Wherein, the radius of curvature of the image side surface of the radius of curvature R 1 and the first lens of the object side of the first lens
R2 can meet 1.6 < (R2+R1)/(R2-R1) < 2.8.
In another aspect, the lens set is along optical axis by object side present invention also provides such a optical imagery eyeglass group
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th with focal power to image side
Lens.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side be concave surface.Wherein, the object side of the maximum effective radius DT61 of the object side of the 6th lens and the third lens is most
Big effective radius DT31 can meet 3.0 < DT61/DT31 < 3.5.
In another aspect, the lens set is along optical axis by object side present invention also provides such a optical imagery eyeglass group
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th with focal power to image side
Lens.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side be concave surface.Wherein, the maximum effective radius DT42 of the image side surface of the 4th lens and the image side surface of the third lens be most
Big effective radius DT32 can meet 1.1 < DT42/DT32 < 1.6.
In another aspect, the lens set is along optical axis by object side present invention also provides such a optical imagery eyeglass group
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th with focal power to image side
Lens.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side be concave surface.Wherein, the edge thickness ET2 of the second lens and center thickness CT2 of second lens on optical axis can expire
0.9 < ET2/CT2 < 1.4 of foot.
In another aspect, the lens set is along optical axis by object side present invention also provides such a optical imagery eyeglass group
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th with focal power to image side
Lens.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side be concave surface.Wherein, the maximum incident angle degree of the chief ray incident electronics photosensory assembly of optical imagery eyeglass group
CRAmax can meet 35 ° of 40 ° of < CRAmax <.
In another aspect, the lens set is along optical axis by object side present invention also provides such a optical imagery eyeglass group
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th with focal power to image side
Lens.Wherein, the object side of the first lens is convex surface, and image side surface is concave surface；The image side surface of second lens is concave surface；6th lens
Object side be concave surface.Wherein, the maximum of the intersection point of the object side of the first lens and optical axis to the object side of the first lens is effective
On the axis on radius vertex the intersection point of the image side surface and optical axis of distance SAG11 and the first lens to the first lens image side surface maximum
Distance SAG12 can meet 0.3 < (SAG11-SAG12)/(SAG11+SAG12) < 0.9 on the axis on effective radius vertex.
The application use six-element 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 ultra-thin, big image planes, superior image 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 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.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as the lens near the surface of object
Object side, each lens are known as the image side surface of the lens near the surface of imaging surface.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other features, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imagery eyeglass group according to the application illustrative embodiments may include such as six saturating with focal power
Mirror, that is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six-element lens is along light
Axis is by object side to image side sequential.In the first lens into the 6th lens, can have air between two lens of arbitrary neighborhood
Interval.
In the exemplary embodiment, the first lens have focal power, and object side can be convex surface, and image side surface can be recessed
Face；Second lens have focal power, and image side surface can be concave surface；The third lens have focal power；4th lens have focal power；
5th lens have focal power；6th lens have focal power, and object side can be concave surface.The face type of each lens of reasonable distribution and
Focal power, to provide a kind of six chips ultrashort pick-up lens.
In the exemplary embodiment, the first lens can have positive light coke.
In the exemplary embodiment, the second lens can have negative power.
In the exemplary embodiment, the 5th lens can have positive light coke.
In the exemplary embodiment, the 6th lens can have negative power.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional TTL/ImgH≤1.23,
Wherein, TTL is the object side of the first lens to distance of the imaging surface on optical axis of optical imagery eyeglass group, ImgH be optics at
As lens set imaging surface on effective pixel area diagonal line length half.More specifically, TTL and ImgH can further meet
1.18≤TTL/ImgH≤1.23.Meet conditional TTL/ImgH≤1.23, is conducive to constrain optical system volume, has system
Standby miniaturization ultra-slim features.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional f1/ | f6 | < 1.45,
In, f1 is the effective focal length of the first lens, and f6 is the effective focal length of the 6th lens.More specifically, f1 and f6 can further meet
0.75≤f1/|f6|≤1.38.The first lens of reasonable distribution and the 6th power of lens are conducive to bending for balance optical system
Light ability.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1.6 < of conditional (R2+R1)/
(R2-R1) 2.8 <, wherein R1 is the radius of curvature of the object side of the first lens, and R2 is the curvature half of the image side surface of the first lens
Diameter.More specifically, R1 and R2 can further meet 1.63≤(R2+R1)/(R2-R1)≤2.79.Proper restraint the first lens object
The face type of side and image side surface guarantees the uniformity of the first lens, and eyeglass is made to have more reasonable craftsmanship.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.1 < f/ of conditional (| R4-R11
|) < 0.9, wherein f is total effective focal length of optical imagery eyeglass group, and R4 is the radius of curvature of the image side surface of the second lens, R11
For the radius of curvature of the object side of the 6th lens.More specifically, f, R4 and R11 can further meet 0.16≤f/ (| R4-R11 |)
≤0.86.The second lens and the 6th lens can be negative lens, the light being collected into for dispersing positive lens, tool in optical system
There is balance system spherical aberration.0.1 < f/ of conditional (| R4-R11 |) < 0.9 is used to constrain the second lens and the 6th lens exist
Balanced capacity in entire optical system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -0.6 < of conditional (f5+f2)/
(f5-f2) 0.6 <, wherein f5 is the effective focal length of the 5th lens, and f2 is the effective focal length of the second lens.More specifically, f5 and
F2 can further meet -0.42≤(f5+f2)/(f5-f2)≤0.50.First, second lens the first lens group of composition, the 5th,
6th lens form the third lens group, and -0.6 < of conditional (f5+f2)/(f5-f2) < 0.6 is for constraining second, the 5th liang thoroughly
Focal power of the mirror in lens group is shared, and then is played the role of balance optical system aberration and shared.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 40 ° of < Semi-FOV < of conditional
50 °, wherein Semi-FOV is the half at the maximum field of view angle of optical imagery eyeglass group.More specifically, Semi-FOV further may be used
Meet 40.7 °≤Semi-FOV≤44.6 °.The visible angle for constraining optical system, so that optical system is under lesser volume
Still there is preferable areas imaging.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.3 < of conditional (CT5+CT6)/
(T45+T56) 0.9 <, wherein CT5 be center thickness of the 5th lens on optical axis, CT6 be the 6th lens on optical axis in
Heart thickness, T45 are the spacing distance of the 4th lens and the 5th lens on optical axis, and T56 is the 5th lens and the 6th lens in light
Spacing distance on axis.More specifically, CT5, CT6, T45 and T56 can further meet 0.35≤(CT5+CT6)/(T45+T56)
≤0.84.5th lens and the 6th lens mainly undertake the effect of curvature of field adjustment in optical system, so that optical system has
More uniform imaging effect, 0.3 < of conditional (CT5+CT6)/(T45+T56) < 0.9 are mainly used for constraining last two lens
Position distribution and thickness balance, and conditional control can be obtained preferable optical property within the scope of proper restraint.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 3.0 < DT61/DT31 < of conditional
3.5, wherein DT61 is the maximum effective radius of the object side of the 6th lens, and DT31 is that the maximum of the object side of the third lens has
Imitate radius.More specifically, DT61 and DT31 can further meet 3.11≤DT61/DT31≤3.48.By controlling the 6th lens
The maximum effective radius of object side and the third lens object side can reduce camera lens rear end size, while can regard guaranteeing edge
Under the premise of field luminance, the bad light of image quality is eliminated, guarantees the excellent image quality of camera lens.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1.1 < DT42/DT32 < of conditional
1.6, wherein DT42 is the maximum effective radius of the image side surface of the 4th lens, and DT32 is that the maximum of the image side surface of the third lens has
Imitate radius.More specifically, DT42 and DT32 can further meet 1.14≤DT42/DT32≤1.59.Proper restraint the third lens
With effective clear aperature of the 4th lens, 1.1 < DT42/DT32 < 1.6 of control condition formula can make light in restriction range
Lens structure design difficulty is reduced while transition smoothness.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0 < of conditional | CT3/R6+CT4/
R8 | * 10 < 1.4, wherein CT3 is center thickness of the third lens on optical axis, and CT4 is center of the 4th lens on optical axis
Thickness, R6 are the radius of curvature of the image side surface of the third lens, and R8 is the radius of curvature of the image side surface of the 4th lens.More specifically,
CT3, CT4, R6 and R8 can further meet 0.004≤| CT3/R6+CT4/R8 | * 10≤1.340.The third lens and the 4th lens
The second lens group for forming optical system is mainly used for balancing in optical system the be made of the first lens and the second lens
One lens group bring aberration.By 0 < of conditional | CT3/R6+CT4/R8 | * 10 < 1.4 are controlled in OK range, may make
Optics has smaller aberration, more preferably image quality.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 2.5 < ImgH/ (CT1+ of conditional
CT2+CT3+CT4) 3.0 <, wherein ImgH is one of effective pixel area diagonal line length on the imaging surface of optical imagery eyeglass group
Half, CT1 are center thickness of first lens on optical axis, and CT2 is center thickness of second lens on optical axis, and CT3 is third
Center thickness of the lens on optical axis, CT4 are center thickness of the 4th lens on optical axis.More specifically, ImgH, CT1, CT2,
CT3 and CT4 can further meet 2.57≤ImgH/ (CT1+CT2+CT3+CT4)≤2.95.The conditional constrains imaging size
With the ratio of system space, optical system is enabled to guarantee the feasibility of manufacturing process while with ultra-slim features.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.9 < ET2/CT2 < of conditional
1.4, wherein ET2 is the edge thickness of the second lens, and CT2 is center thickness of second lens on optical axis.More specifically, ET2
1.08≤ET2/CT2≤1.36 can further be met with CT2.Second lens mainly undertake the first lens of balance in optical system
Spherical aberration, color difference and the effect of dispersion, the edge thickness and center thickness of the second lens are constrained, to guarantee the adjustment of the second lens
Space makes the second lens applicability with higher in processing range.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 35 ° of < CRAmax < of conditional
40 °, wherein CRAmax is the maximum incident angle degree of the chief ray incident electronics photosensory assembly of optical imagery eyeglass group.More specifically
Ground, CRAmax can further meet 36.00 °≤CRAmax≤37.29 °.This conditional major embodiment optical system and chip
Matching, chip application specification require light incidence to have certain angular range, if exceeding the range, image quality can be serious
Decline.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.3 < (SAG11- of conditional
SAG12)/(SAG11+SAG12) < 0.9, wherein SAG11 be the first lens object side and optical axis intersection point to the first lens
Object side maximum effective radius vertex axis on distance, SAG12 be the first lens image side surface and optical axis intersection point to the
Distance on the axis on the maximum effective radius vertex of the image side surface of one lens.More specifically, SAG11 and SAG12 can further meet
0.38≤(SAG11-SAG12)/(SAG11+SAG12)≤0.84.First lens mainly undertake ray-collecting in optical system
Effect, which has a characteristic at larger field angle Yu ultrashort system overall length, 0.3 < of conditional (SAG11-SAG12)/
(SAG11+SAG12) < 0.9 constrains object side and the image side surface of the first lens simultaneously, which is controlled in OK range
It is interior, it can guarantee the aberration balancing for matching back lens while enabling system to have stronger light gathering ability
Power.
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 object side and the first 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
Six.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 ultra-thin, big image planes and superior image quality.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror, that is, first thoroughly
Mirror, the second lens, the third lens, the 4th lens, the 5th lens and each lens in the 6th lens object side and image side surface
At least one of be aspherical mirror.The characteristics of non-spherical lens is: from lens centre to lens perimeter, curvature is continuously to become
Change.Have the spherical lens of constant curvature different from from lens centre to lens perimeter, non-spherical lens has more preferably bent
Rate radius characteristic has the advantages that improve and distorts aberration and improvement astigmatic image error.It, can be as much as possible after non-spherical lens
The aberration occurred when imaging is eliminated, so as to improve image quality.Optionally, the first lens, the second lens, third are saturating
Mirror, the 4th lens, the object side of the 5th lens and each lens in the 6th lens and image side surface are aspherical mirror.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting optical imagery eyeglass group can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described by taking six lens as an example in embodiments, which is not limited to include six
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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
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 convex surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 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 6th lens E6 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-S124、A6、A8、A10、A12、A14、A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -8.3500E-03 | 1.1026E-01 | -6.9197E-01 | 2.4816E+00 | -5.4173E+00 | 7.3074E+00 | -5.9735E+00 | 2.7134E+00 | -5.3011E-01 |
| S2 | -7.7800E-02 | 1.7922E-01 | -6.9534E-01 | 1.6663E+00 | -1.9136E+00 | -1.5589E-01 | 2.8819E+00 | -2.8577E+00 | 9.1663E-01 |
| S3 | -4.1210E-02 | 9.8340E-02 | 5.1509E-01 | -3.2478E+00 | 1.0033E+01 | -1.8508E+01 | 2.0430E+01 | -1.2375E+01 | 3.1534E+00 |
| S4 | -2.0980E-02 | 5.0136E-01 | -2.7444E+00 | 1.5053E+01 | -5.3903E+01 | 1.2145E+02 | -1.6519E+02 | 1.2390E+02 | -3.9085E+01 |
| S5 | -2.0202E-01 | 3.3617E-01 | -1.6836E+00 | 6.7484E+00 | -1.8856E+01 | 3.3553E+01 | -3.5691E+01 | 2.0146E+01 | -4.3045E+00 |
| S6 | -1.7958E-01 | 2.9551E-01 | -1.5876E+00 | 6.0703E+00 | -1.5444E+01 | 2.4636E+01 | -2.3728E+01 | 1.2565E+01 | -2.7788E+00 |
| S7 | -1.3207E-01 | 7.0415E-02 | 6.3512E-02 | -7.4845E-01 | 2.6013E+00 | -5.0099E+00 | 5.4352E+00 | -3.1518E+00 | 7.5759E-01 |
| S8 | -1.5162E-01 | 8.0239E-02 | 6.6547E-02 | -2.4494E-01 | 4.1685E-01 | -3.8949E-01 | 1.9735E-01 | -5.1300E-02 | 5.3830E-03 |
| S9 | -1.0637E-01 | -2.2410E-02 | -1.7390E-02 | 4.4904E-02 | -3.5940E-02 | 1.7387E-02 | -4.9800E-03 | 7.5700E-04 | -4.7000E-05 |
| S10 | -3.2300E-02 | -5.2710E-02 | 3.4669E-02 | -1.2030E-02 | 1.9470E-03 | 2.6400E-04 | -2.0000E-04 | 3.9600E-05 | -2.7000E-06 |
| S11 | -7.3990E-02 | 5.6457E-02 | -2.6220E-02 | 7.4910E-03 | -1.3300E-03 | 1.5000E-04 | -1.0000E-05 | 4.1700E-07 | -7.3000E-09 |
| S12 | -4.0220E-02 | 3.8090E-03 | 5.9040E-03 | -3.2600E-03 | 8.0500E-04 | -1.2000E-04 | 9.9400E-06 | -4.8000E-07 | 1.0100E-08 |
Table 2
Table 3 provides the effective focal length f1 to f6 of each lens in embodiment 1, total effective focal length f of optical imagery eyeglass group,
The object side S1 to imaging surface S15 of one lens E1 on the distance TTL and imaging surface S15 on optical axis effective pixel area it is diagonal
The half ImgH of wire length.
| f1(mm) | 3.19 | f6(mm) | -4.25 |
| f2(mm) | -8.95 | f(mm) | 4.57 |
| f3(mm) | -85.82 | TTL(mm) | 4.83 |
| f4(mm) | 30.38 | ImgH(mm) | 4.10 |
| f5(mm) | 26.84 |
Table 3
Optical imagery eyeglass group in embodiment 1 meets:
TTL/ImgH=1.18, wherein TTL be the first lens E1 object side S1 to imaging surface S15 on optical axis away from
From ImgH is the half of effective pixel area diagonal line length on imaging surface S15；
F1/ | f6 |=0.75, wherein f1 is the effective focal length of the first lens E1, and f6 is the effective focal length of the 6th lens E6；
(R2+R1)/(R2-R1)=1.72, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, R2 the
The radius of curvature of the image side surface S2 of one lens E1；
F/ (| R4-R11 |)=0.48, wherein f is total effective focal length of optical imagery eyeglass group, and R4 is the second lens E2
Image side surface S4 radius of curvature, R11 be the 6th lens E6 object side S11 radius of curvature；
(f5+f2)/(f5-f2)=0.50, wherein f5 is the effective focal length of the 5th lens E5, and f2 is the second lens E2's
Effective focal length；
Semi-FOV=40.7 °, wherein Semi-FOV is the half at the maximum field of view angle of optical imagery eyeglass group；
(CT5+CT6)/(T45+T56)=0.82, wherein CT5 is center thickness of the 5th lens E5 on optical axis, CT6
For center thickness of the 6th lens E6 on optical axis, T45 is spacing distance of the 4th lens E4 and the 5th lens E5 on optical axis,
T56 is spacing distance of the 5th lens E5 and the 6th lens E6 on optical axis；
DT61/DT31=3.48, wherein DT61 is the maximum effective radius of the object side S11 of the 6th lens E6, and DT31 is
The maximum effective radius of the object side S5 of the third lens E3；
DT42/DT32=1.40, wherein DT42 is the maximum effective radius of the image side surface S8 of the 4th lens E4, and DT32 is
The maximum effective radius of the image side surface S6 of the third lens E3；
| CT3/R6+CT4/R8 | * 10=0.004, wherein CT3 is center thickness of the third lens E3 on optical axis, CT4
For center thickness of the 4th lens E4 on optical axis, R6 is the radius of curvature of the image side surface S6 of the third lens E3, and R8 is the 4th saturating
The radius of curvature of the image side surface S8 of mirror E4；
ImgH/ (CT1+CT2+CT3+CT4)=2.65, wherein ImgH is effective pixel area diagonal line on imaging surface S15
Long half, CT1 are center thickness of the first lens E1 on optical axis, and CT2 is center thickness of the second lens E2 on optical axis,
CT3 is center thickness of the third lens E3 on optical axis, and CT4 is center thickness of the 4th lens E4 on optical axis；
ET2/CT2=1.29, wherein ET2 is the edge thickness of the second lens E2, and CT2 is the second lens E2 on optical axis
Center thickness；
CRAmax=36.00 °, wherein CRAmax is the maximum incident angle degree of chief ray incident electron photosensory assembly；
(SAG11-SAG12)/(SAG11+SAG12)=0.82, wherein SAG11 be the first lens E1 object side S1 and
Distance on the intersection point of optical axis to the axis on the maximum effective radius vertex of the object side S1 of the first lens E1, SAG12 are the first lens
Distance on the image side surface S2 of E1 and the intersection point to the axis on the maximum effective radius vertex of the image side surface S2 of the first lens E1 of optical 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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, 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 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.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 4 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 6th lens E6
It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 provides the effective focal length f1 to f6 of each lens in embodiment 2, total effective focal length f of optical imagery eyeglass group,
The object side S1 to imaging surface S15 of one lens E1 on the distance TTL and imaging surface S15 on optical axis effective pixel area it is diagonal
The half ImgH of wire length.
| f1(mm) | 2.82 | f6(mm) | -2.33 |
| f2(mm) | -5.94 | f(mm) | 3.56 |
| f3(mm) | 89.39 | TTL(mm) | 3.99 |
| f4(mm) | 13.32 | ImgH(mm) | 3.36 |
| f5(mm) | 5.89 |
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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
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.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 7 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 6th lens E6
It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 8
Table 9 provides the effective focal length f1 to f6 of each lens in embodiment 3, total effective focal length f of optical imagery eyeglass group,
The object side S1 to imaging surface S15 of one lens E1 on the distance TTL and imaging surface S15 on optical axis effective pixel area it is diagonal
The half ImgH of wire length.
| f1(mm) | 3.17 | f6(mm) | -2.39 |
| f2(mm) | -9.54 | f(mm) | 3.50 |
| f3(mm) | -112.74 | TTL(mm) | 4.00 |
| f4(mm) | -644.80 | ImgH(mm) | 3.26 |
| f5(mm) | 3.85 |
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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
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 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.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical 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 6th lens E6
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 | -4.5000E-03 | 7.3321E-02 | -3.6423E-01 | 1.0440E+00 | -1.7462E+00 | 1.5398E+00 | -6.4253E-01 | 0.0000E+00 | 0.0000E+00 |
| S2 | -1.7355E-01 | 1.4567E-01 | 9.3076E-01 | -5.0465E+00 | 1.3589E+01 | -2.2593E+01 | 2.1555E+01 | -8.9596E+00 | 0.0000E+00 |
| S3 | -1.5038E-01 | 5.4654E-01 | 2.7515E-01 | -4.6860E+00 | 1.4640E+01 | -2.5200E+01 | 2.5036E+01 | -1.0874E+01 | 0.0000E+00 |
| S4 | -1.2300E-02 | 3.6608E-01 | 1.5476E+00 | -1.3306E+01 | 4.8054E+01 | -9.7270E+01 | 1.0738E+02 | -4.8970E+01 | 0.0000E+00 |
| S5 | -3.2221E-01 | -2.2950E-02 | 3.7669E+00 | -3.2295E+01 | 1.3054E+02 | -2.9213E+02 | 3.4666E+02 | -1.7558E+02 | 9.6730E+00 |
| S6 | -2.8190E-01 | 4.5036E-02 | 1.6217E+00 | -9.9876E+00 | 2.8706E+01 | -4.5439E+01 | 3.8251E+01 | -1.3031E+01 | 0.0000E+00 |
| S7 | -2.2353E-01 | 7.7497E-02 | 7.6465E-01 | -2.9713E+00 | 6.3319E+00 | -7.8353E+00 | 5.5704E+00 | -2.1196E+00 | 3.3589E-01 |
| S8 | -2.4112E-01 | 2.3427E-02 | 6.3391E-01 | -1.8355E+00 | 3.1419E+00 | -3.0357E+00 | 1.6183E+00 | -4.4686E-01 | 5.0076E-02 |
| S9 | 1.1462E-01 | -4.0166E-01 | 3.3040E-01 | -1.4451E-01 | -2.6490E-02 | 6.2546E-02 | -2.7180E-02 | 5.0580E-03 | -3.6000E-04 |
| S10 | 1.3545E-01 | -2.3856E-01 | 1.9470E-02 | 1.8897E-01 | -2.1990E-01 | 1.2393E-01 | -3.8120E-02 | 6.0920E-03 | -4.0000E-04 |
| S11 | -1.9210E-02 | -7.3800E-03 | 6.7610E-03 | 1.0875E-02 | -8.8600E-03 | 2.7930E-03 | -4.6000E-04 | 3.8400E-05 | -1.3000E-06 |
| S12 | -1.4142E-01 | 9.1100E-02 | -5.4660E-02 | 2.6391E-02 | -8.4900E-03 | 1.6500E-03 | -1.8000E-04 | 1.0800E-05 | -2.5000E-07 |
Table 11
Table 12 provide the effective focal length f1 to f6 of each lens in embodiment 4, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S15 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 2.80 | f6(mm) | -2.41 |
| f2(mm) | -7.39 | f(mm) | 3.55 |
| f3(mm) | -142.67 | TTL(mm) | 4.00 |
| f4(mm) | 20.55 | ImgH(mm) | 3.30 |
| f5(mm) | 5.33 |
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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are concave surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, 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 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.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical 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 6th lens E6
It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 1.7420E-03 | 3.2470E-02 | -1.4654E-01 | 4.4321E-01 | -8.4892E-01 | 8.9183E-01 | -5.0150E-01 | 0.0000E+00 | 0.0000E+00 |
| S2 | -8.8840E-02 | 3.3112E-02 | 1.0195E-01 | -7.3589E-01 | 1.8591E+00 | -3.3262E+00 | 4.2613E+00 | -2.4589E+00 | 0.0000E+00 |
| S3 | -1.5650E-02 | 3.1298E-01 | -2.5120E-02 | -1.7422E+00 | 6.1245E+00 | -1.1413E+01 | 1.2794E+01 | -6.1219E+00 | 0.0000E+00 |
| S4 | 2.7343E-02 | 6.0520E-01 | -1.7213E+00 | 6.7759E+00 | -2.0425E+01 | 3.9329E+01 | -4.1265E+01 | 1.9381E+01 | 0.0000E+00 |
| S5 | -3.7574E-01 | 9.3332E-01 | -8.8647E+00 | 5.9878E+01 | -2.6914E+02 | 7.7184E+02 | -1.3602E+03 | 1.3414E+03 | -5.6621E+02 |
| S6 | -2.6119E-01 | 6.8376E-02 | 4.0562E-01 | -2.7361E+00 | 7.8886E+00 | -1.2368E+01 | 1.0468E+01 | -3.5156E+00 | 0.0000E+00 |
| S7 | -1.0589E-01 | -2.8923E-01 | 1.1283E+00 | -2.0649E+00 | 1.9843E+00 | -3.9906E-01 | -9.7818E-01 | 8.1985E-01 | -1.9543E-01 |
| S8 | -1.0947E-01 | -4.3249E-01 | 1.5679E+00 | -3.0192E+00 | 3.8201E+00 | -3.0113E+00 | 1.4000E+00 | -3.5096E-01 | 3.6595E-02 |
| S9 | 1.5152E-01 | -5.0214E-01 | 5.4351E-01 | -4.0432E-01 | 1.8804E-01 | -4.7660E-02 | 4.8390E-03 | 2.8400E-04 | -7.6000E-05 |
| S10 | 1.8195E-01 | -3.8907E-01 | 3.0654E-01 | -1.4140E-01 | 2.6039E-02 | 7.6870E-03 | -5.1400E-03 | 1.0220E-03 | -7.2000E-05 |
| S11 | -1.9220E-02 | -2.4880E-02 | 4.0093E-02 | -1.6210E-02 | 2.9190E-03 | -1.8000E-04 | -1.8000E-05 | 3.3400E-06 | -1.5000E-07 |
| S12 | -1.4669E-01 | 8.9540E-02 | -4.2960E-02 | 1.6351E-02 | -4.4500E-03 | 7.5700E-04 | -7.3000E-05 | 3.4400E-06 | -5.5000E-08 |
Table 14
Table 15 provide the effective focal length f1 to f6 of each lens in embodiment 5, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S15 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 2.76 | f6(mm) | -2.42 |
| f2(mm) | -7.68 | f(mm) | 3.56 |
| f3(mm) | 167.34 | TTL(mm) | 4.00 |
| f4(mm) | 24.80 | ImgH(mm) | 3.32 |
| f5(mm) | 6.28 |
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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6 and imaging surface S13.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has 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 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.Light from object sequentially passes through each surface S1 to S12 and is ultimately imaged
On imaging surface S13.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical 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 6th lens E6
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 |
| S1 | -1.9870E-02 | -4.8060E-02 | 1.5841E-01 | -4.3346E-01 | 5.9832E-01 | -3.2820E-01 |
| S2 | -1.5659E-01 | 4.5848E-01 | -9.1124E-01 | 3.6542E+00 | -6.4100E+00 | 3.6243E+00 |
| S3 | -1.3390E-01 | 6.9211E-01 | -1.1068E+00 | 3.5495E+00 | -6.1336E+00 | 3.2580E+00 |
| S4 | -1.9300E-03 | 3.7980E-01 | -1.2188E+00 | 2.3995E+00 | -3.0600E+00 | 1.6959E+00 |
| S5 | -4.1510E-02 | -1.1854E-01 | 1.2535E+00 | -4.0408E+00 | 6.5595E+00 | -4.0828E+00 |
| S6 | -4.1066E-01 | 9.8081E-01 | -1.7872E+00 | 8.3216E-01 | 1.4699E+00 | -1.7709E+00 |
| S7 | -5.2421E-01 | 6.0166E-01 | 9.8955E-02 | -4.9533E+00 | 9.5881E+00 | -5.4340E+00 |
| S8 | -1.9689E-01 | 1.1574E-01 | -3.3842E-01 | 4.9148E-01 | -4.7963E-01 | 4.8003E-01 |
| S9 | 6.2480E-03 | -1.2196E-01 | 5.5315E-01 | -8.8096E-01 | 5.6335E-01 | -1.1801E-01 |
| S10 | 2.3046E-02 | -5.5080E-02 | 2.1911E-01 | -1.9765E-01 | 7.5736E-02 | -1.2410E-02 |
| S11 | 1.2313E-01 | -7.6600E-02 | 3.0231E-02 | -6.5000E-03 | 7.0500E-04 | -3.1000E-05 |
| S12 | 1.7436E-02 | -1.5700E-02 | 2.7390E-03 | 1.9300E-04 | -9.5000E-05 | 6.6700E-06 |
Table 17
Table 18 provide the effective focal length f1 to f6 of each lens in embodiment 6, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S13 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S13 on optical axis
The long half ImgH of linea angulata.
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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is 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.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical 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 6th lens E6
It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -2.9130E-02 | 9.6542E-02 | -1.1118E+00 | 6.0109E+00 | -2.0259E+01 | 4.1750E+01 | -5.1834E+01 | 3.5327E+01 | -1.0184E+01 |
| S2 | -1.9241E-01 | 1.2968E-01 | 1.1037E+00 | -8.2666E+00 | 3.3701E+01 | -8.5005E+01 | 1.2839E+02 | -1.0537E+02 | 3.5935E+01 |
| S3 | -2.2848E-01 | 2.9311E-01 | 2.2059E+00 | -1.6393E+01 | 6.5356E+01 | -1.6062E+02 | 2.3864E+02 | -1.9401E+02 | 6.5919E+01 |
| S4 | -5.5340E-02 | 4.2815E-01 | -1.5633E+00 | 1.3878E+01 | -7.6665E+01 | 2.4251E+02 | -4.3839E+02 | 4.2274E+02 | -1.6645E+02 |
| S5 | -1.9162E-01 | 1.3608E+00 | -1.3027E+01 | 7.4894E+01 | -2.8442E+02 | 6.8972E+02 | -1.0267E+03 | 8.4679E+02 | -2.9041E+02 |
| S6 | -4.3846E-01 | 2.2791E+00 | -1.2194E+01 | 4.6960E+01 | -1.2996E+02 | 2.4276E+02 | -2.9125E+02 | 2.0273E+02 | -6.1188E+01 |
| S7 | -6.6648E-01 | 1.6478E+00 | -4.0877E+00 | 5.8052E+00 | 1.6142E+00 | -2.3598E+01 | 4.1300E+01 | -3.0863E+01 | 8.6058E+00 |
| S8 | -4.7999E-01 | 9.3909E-01 | -2.4747E+00 | 5.8106E+00 | -9.8802E+00 | 1.1381E+01 | -8.0606E+00 | 3.0968E+00 | -4.9079E-01 |
| S9 | -1.2400E-01 | 1.0388E-01 | -1.8483E-01 | 2.6777E-01 | -3.7940E-01 | 3.0142E-01 | -1.2301E-01 | 2.4829E-02 | -1.9800E-03 |
| S10 | -4.3880E-02 | -6.0100E-02 | 3.7389E-01 | -5.4910E-01 | 3.8065E-01 | -1.4507E-01 | 3.1156E-02 | -3.5200E-03 | 1.6200E-04 |
| S11 | -5.8616E-01 | 7.7203E-01 | -5.2175E-01 | 2.1781E-01 | -5.8860E-02 | 1.0317E-02 | -1.1300E-03 | 7.0400E-05 | -1.9000E-06 |
| S12 | -3.1262E-01 | 3.1632E-01 | -1.9541E-01 | 7.5563E-02 | -1.8290E-02 | 2.6360E-03 | -2.0000E-04 | 5.6100E-06 | 6.3600E-08 |
Table 20
Table 21 provide the effective focal length f1 to f6 of each lens in embodiment 7, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S15 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 3.05 | f6(mm) | -2.29 |
| f2(mm) | -8.16 | f(mm) | 3.50 |
| f3(mm) | -138.90 | TTL(mm) | 4.00 |
| f4(mm) | 42.86 | ImgH(mm) | 3.26 |
| f5(mm) | 3.96 |
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: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has 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 concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 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 6th lens E6
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.
Table 23
Table 24 provide the effective focal length f1 to f6 of each lens in embodiment 8, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S15 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S15 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 3.16 | f6(mm) | -2.30 |
| f2(mm) | -9.00 | f(mm) | 3.50 |
| f3(mm) | 86.69 | TTL(mm) | 4.00 |
| f4(mm) | -328.03 | ImgH(mm) | 3.26 |
| f5(mm) | 3.96 |
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.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 25 respectively.
Table 25
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, be also possible to
The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic device is equipped with optical imaging lens described above
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 technologies scheme formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (28)
1. optical imagery eyeglass 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 and the 6th lens, which is characterized in that
The object side of first lens is convex surface, and image side surface is concave surface；
The image side surface of second lens is concave surface；
The object side of 6th lens is concave surface；And
The object side of first lens to the optical imagery eyeglass group distance TTL and institute of the imaging surface on the optical axis
The half ImgH for stating effective pixel area diagonal line length on the imaging surface of optical imagery eyeglass group meets TTL/ImgH≤1.23.
2. optical imagery eyeglass group according to claim 1, which is characterized in that the effective focal length f1 of first lens with
The effective focal length f6 of 6th lens meets f1/ | f6 | < 1.45.
3. optical imagery eyeglass group according to claim 1, which is characterized in that the curvature of the object side of first lens
The radius of curvature R 2 of the image side surface of radius R1 and first lens meets 1.6 < (R2+R1)/(R2-R1) < 2.8.
4. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
Focal length f, second lens image side surface radius of curvature R 4 and the 6th lens object side radius of curvature R 11 meet
0.1 < f/ (| R4-R11 |) < 0.9.
5. optical imagery eyeglass group according to claim 1, which is characterized in that the effective focal length f5 of the 5th lens with
The effective focal length f2 of second lens meets -0.6 < (f5+f2)/(f5-f2) < 0.6.
6. optical imagery eyeglass group according to claim 1, which is characterized in that the 5th lens are on the optical axis
Center thickness CT6, the 4th lens and the 5th lens of center thickness CT5, the 6th lens on the optical axis
The spacing distance of spacing distance T45 and the 5th lens and the 6th lens on the optical axis on the optical axis
T56 meets 0.3 < (CT5+CT6)/(T45+T56) < 0.9.
7. optical imagery eyeglass group according to claim 1, which is characterized in that the maximum of the object side of the 6th lens
The maximum effective radius DT31 of the object side of effective radius DT61 and the third lens meets 3.0 < DT61/DT31 < 3.5.
8. optical imagery eyeglass group according to claim 1, which is characterized in that the maximum of the image side surface of the 4th lens
The maximum effective radius DT32 of effective radius DT42 and the image side surface of the third lens meets 1.1 < DT42/DT32 < 1.6.
9. optical imagery eyeglass group according to claim 1, which is characterized in that the third lens are on the optical axis
Center thickness CT4 on the optical axis of center thickness CT3, the 4th lens, the third lens image side surface curvature
The radius of curvature R 8 of the image side surface of radius R6 and the 4th lens meets 0 < | CT3/R6+CT4/R8 | * 10 < 1.4.
10. optical imagery eyeglass group according to claim 1, which is characterized in that the imaging of the optical imagery eyeglass group
It is center thickness CT1 on the optical axis of the half ImgH of effective pixel area diagonal line length, first lens on face, described
Center thickness CT3 and institute of second lens in the center thickness CT2, the third lens on the optical axis on the optical axis
It states center thickness CT4 of the 4th lens on the optical axis and meets 2.5 < ImgH/ (CT1+CT2+CT3+CT4) < 3.0.
11. optical imagery eyeglass group according to claim 1, which is characterized in that the edge thickness ET2 of second lens
Meet 0.9 < ET2/CT2 < 1.4 with center thickness CT2 of second lens on the optical axis.
12. optical imagery eyeglass group according to claim 1, which is characterized in that the object side of first lens and institute
State distance SAG11 and described first on the intersection point to the axis on the maximum effective radius vertex of the object side of first lens of optical axis
On the intersection point of the image side surface of lens and the optical axis to the axis on the maximum effective radius vertex of the image side surface of first lens away from
Meet 0.3 < (SAG11-SAG12)/(SAG11+SAG12) < 0.9 from SAG12.
13. optical imagery eyeglass group according to any one of claim 1 to 12, which is characterized in that the optical imagery
The half Semi-FOV at the maximum field of view angle of lens set meets 40 ° of 50 ° of < Semi-FOV <.
14. optical imagery eyeglass group according to any one of claim 1 to 12, which is characterized in that the optical imagery
The maximum incident angle degree CRAmax of the chief ray incident electronics photosensory assembly of lens set meets 35 ° of 40 ° of < CRAmax <.
It by object side to image side sequentially include: the first lens with focal power, second along optical axis 15. optical imagery eyeglass group
Lens, the third lens, the 4th lens, the 5th lens and the 6th lens, which is characterized in that
The object side of first lens is convex surface, and image side surface is concave surface；
The image side surface of second lens is concave surface；
The object side of 6th lens is concave surface；And
The half ImgH of effective pixel area diagonal line length, first lens exist on the imaging surface of the optical imagery eyeglass group
Center thickness CT2 on the optical axis of center thickness CT1, second lens on the optical axis, the third lens exist
The center thickness CT4 of center thickness CT3 and the 4th lens on the optical axis on the optical axis meets 2.5 <
ImgH/ (CT1+CT2+CT3+CT4) < 3.0.
16. optical imagery eyeglass group according to claim 15, which is characterized in that the effective focal length f1 of first lens
Meet f1/ with the effective focal length f6 of the 6th lens | f6 | < 1.45.
17. optical imagery eyeglass group according to claim 15, which is characterized in that the effective focal length f5 of the 5th lens
Meet -0.6 < (f5+f2)/(f5-f2) < 0.6 with the effective focal length f2 of second lens.
18. optical imagery eyeglass group according to claim 15, which is characterized in that the song of the object side of first lens
The radius of curvature R 2 of the image side surface of rate radius R1 and first lens meets 1.6 < (R2+R1)/(R2-R1) < 2.8.
19. optical imagery eyeglass group according to claim 15, which is characterized in that the optical imagery eyeglass group always has
Imitate focal length f, the radius of curvature R 4 of image side surface and the radius of curvature R 11 of the object side of the 6th lens of second lens expire
0.1 < f/ of foot (| R4-R11 |) < 0.9.
20. optical imagery eyeglass group according to claim 15, which is characterized in that the 5th lens are on the optical axis
Center thickness CT6 on the optical axis of center thickness CT5, the 6th lens, the 4th lens and the described 5th thoroughly
Spacing distance T45 and fiveth lens and sixth lens interval distance on the optical axis of the mirror on the optical axis
Meet 0.3 < (CT5+CT6)/(T45+T56) < 0.9 from T56.
21. optical imagery eyeglass group according to claim 20, which is characterized in that the object side of first lens to institute
The imaging surface for stating optical imagery eyeglass group has on the imaging surface of distance TTL and the optical imagery eyeglass group on the optical axis
The half ImgH of effect pixel region diagonal line length meets TTL/ImgH≤1.23.
22. optical imagery eyeglass group according to claim 15, which is characterized in that the third lens are on the optical axis
Center thickness CT4 on the optical axis of center thickness CT3, the 4th lens, the third lens image side surface song
The radius of curvature R 8 of the image side surface of rate radius R6 and the 4th lens meets 0 < | CT3/R6+CT4/R8 | * 10 < 1.4.
23. optical imagery eyeglass group according to claim 15, which is characterized in that the edge thickness of second lens
The center thickness CT2 of ET2 and second lens on the optical axis meets 0.9 < ET2/CT2 < 1.4.
24. optical imagery eyeglass group according to claim 15, which is characterized in that the object side of first lens and institute
State distance SAG11 and described first on the intersection point to the axis on the maximum effective radius vertex of the object side of first lens of optical axis
On the intersection point of the image side surface of lens and the optical axis to the axis on the maximum effective radius vertex of the image side surface of first lens away from
Meet 0.3 < (SAG11-SAG12)/(SAG11+SAG12) < 0.9 from SAG12.
25. optical imagery eyeglass group according to claim 15, which is characterized in that the object side of the 6th lens is most
The maximum effective radius DT31 of the object side of big effective radius DT61 and the third lens meets 3.0 < DT61/DT31 <
3.5。
26. optical imagery eyeglass group according to claim 15, which is characterized in that the image side surface of the 4th lens is most
The maximum effective radius DT32 of big effective radius DT42 and the image side surface of the third lens meets 1.1 < DT42/DT32 <
1.6。
27. optical imagery eyeglass group described in any one of 5 to 26 according to claim 1, which is characterized in that the optical imagery
The half Semi-FOV at the maximum field of view angle of lens set meets 40 ° of 50 ° of < Semi-FOV <.
28. optical imagery eyeglass group described in any one of 5 to 26 according to claim 1, which is characterized in that the optical imagery
The maximum incident angle degree CRAmax of the chief ray incident electronics photosensory assembly of lens set meets 35 ° of 40 ° of < CRAmax <.
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|---|---|---|---|---|
| CN109283664A (en) * | 2018-12-05 | 2019-01-29 | 浙江舜宇光学有限公司 | Optical imagery eyeglass group |
| JP2021196591A (en) * | 2020-06-16 | 2021-12-27 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Image capturing optical lens |
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| CN109283664A (en) * | 2018-12-05 | 2019-01-29 | 浙江舜宇光学有限公司 | Optical imagery eyeglass group |
| WO2020113985A1 (en) * | 2018-12-05 | 2020-06-11 | 浙江舜宇光学有限公司 | Optical imaging lens set |
| US11886039B2 (en) | 2018-12-05 | 2024-01-30 | Zhejiang Sunny Optical Co., Ltd. | Optical imaging lens group |
| CN109283664B (en) * | 2018-12-05 | 2024-02-23 | 浙江舜宇光学有限公司 | Optical imaging lens group |
| JP2021196591A (en) * | 2020-06-16 | 2021-12-27 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Image capturing optical lens |
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