CN109298508A - The photographic device of optical imagery eyeglass group and application the optical imagery eyeglass group - Google Patents
The photographic device of optical imagery eyeglass group and application the optical imagery eyeglass group Download PDFInfo
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- CN109298508A CN109298508A CN201811108130.1A CN201811108130A CN109298508A CN 109298508 A CN109298508 A CN 109298508A CN 201811108130 A CN201811108130 A CN 201811108130A CN 109298508 A CN109298508 A CN 109298508A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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Abstract
The invention discloses the photographic devices of a kind of optical imagery eyeglass group and application the optical imagery eyeglass group, which sequentially includes by object side to image side along optical axis: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens；Wherein the focal length of optical imagery eyeglass group is f, the spacing distance of 4th lens and the 5th lens on optical axis is T45, first lens to the sum of spacing distance between the 6th each adjacent lens of lens on optical axis be AAT, first lens object side surface is TL in the distance on optical axis to imaging surface, and optical imagery eyeglass group meets following condition: 0.3≤T45/ (AAT-T45)≤0.7；And 0.8≤TL/f≤1.Above-mentioned optical imagery eyeglass group can maintain high image quality in the case where effectively shortening system length, and have focal length characteristic, and satisfaction takes the photograph remote demand；And and make that there is high-order image quality using the photographic device of the optical imagery eyeglass group, while volume is frivolous, easy to carry.
Description
Technical field
The present invention relates to optics microscope group equipment technical field more particularly to a kind of optical imagery eyeglass group and apply the optics
The photographic device of imaging lens group.
Background technique
With the quick update of the relevant consumption electronic product such as smart phone, portable computer and tablet device, city
Field is higher and higher to the quality requirements of the optical imaging lens of electronic product.Progressing greatly for semiconductor fabrication process technology, has been realized
The Pixel Dimensions of sensor devices reduce, and optical imaging system gradually develops toward high pixel neighborhoods, also proposed to image quality
Higher requirement.Do not require nothing more than optical imaging lens and have the performances such as miniaturization, large aperture, high-resolution, sometimes it can also require that
Optical imaging lens have the characteristics such as focal length.
The optical system of traditional vista shot mostly uses multiple-piece construction and carries spherical glass lens, and such configuration causes
Camera lens volume is excessive without portable, is not suitable for more and more lightening, portability consumption electronic product, and higher cost.
Therefore, how focal length characteristic, good image quality are taken into account while the total length for being effectively compressed optical imaging lens, meet mesh
The growth requirement that preceding electronic equipment is ultra-thin, minimizes is those skilled in the art's urgent problem to be solved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of optical imagery eyeglass group and applies the optical imagery eyeglass group
Photographic device, solve the problems, such as that product is frivolous in the prior art and be difficult to take into account both with vista shot.
To achieve the above object, the present invention provides technical solution below:
A kind of optical imagery eyeglass group sequentially includes by object side to image side along optical axis:
First lens have positive refracting power, and object side surface is convex surface at dipped beam axis, and image side surface is at dipped beam axis
For concave surface；
Second lens have negative refracting power, and object side surface is concave surface at dipped beam axis, and image side surface is at dipped beam axis
For concave surface；
The third lens have positive refracting power；
4th lens have positive refracting power；
5th lens have negative refracting power；And
6th lens have negative refracting power, and object side surface is concave surface at dipped beam axis, and image side surface is at dipped beam axis
For convex surface；
First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens object side surface
And image side surface is aspherical；
Wherein, the focal length of the optical imagery eyeglass group is f, and the 4th lens and the 5th lens are on optical axis
Spacing distance is T45, first lens to the sum of the spacing distance between each adjacent lens of the 6th lens on optical axis
For AAT, the first lens object side surface to imaging surface is TL in the distance on optical axis, under the optical imagery eyeglass group meets
Column condition:
0.3≤T45/(AAT-T45)≤0.7；And
0.8≤TL/f≤1。
Optionally, the object side surface of the third lens is convex surface at dipped beam axis, and image side surface is at dipped beam axis
Concave surface, and its image side surface has at least one point of inflexion.
Optionally, the 5th lens image side surface is concave surface at dipped beam axis, and its image side surface is anti-with at least one
Qu Dian.
Optionally, the vertical range between the third lens image side surface point of inflexion nearest from optical axis distance and optical axis is
Yc32, the vertical range between the 5th lens image side surface point of inflexion and optical axis nearest from optical axis distance is Yc52, described
Optical imagery eyeglass group meets following relationship:
1≤Yc32/Yc52≤1.5。
Optionally, the radius of curvature of the 4th lens object side surface is R7, the curvature on the 4th lens image side surface
Radius is R8, and the optical imagery eyeglass group meets following relationship:
-2≤(R7+R8)/(R7-R8)≤2。
Optionally, second lens and spacing distance of the third lens on optical axis are T23, second lens
In on optical axis with a thickness of CT2, the third lens on optical axis with a thickness of CT3, the optical imagery eyeglass group meet with
Lower relational expression:
0.1≤T23/(CT2+CT3)≤0.5。
Optionally, the 6th lens image side surface to imaging surface in the distance on optical axis be TL62, the optical imagery
Lens set meets following relationship:
4.5≤f/TL62≤8。
Optionally, the focal length of first lens is f1, and along optical axis, the focal length of i-th lens is by object side to image side
Fi, the optical imagery eyeglass group meet following relationship:
| f1 | < | fi |, i=2~6；
The focal length of first lens is f1, and the focal length of second lens is f2, and the optical imagery eyeglass group meets
Following relationship:
0.5≤|f1/f2|≤0.9。
Optionally, the sum of the thickness of first lens to each lens of the 6th lens on optical axis is ACT, described
First lens to the sum of spacing distance between each adjacent lens of the 6th lens on optical axis be AAT, the optical imagery
Lens set meets following relationship:
1.6≤ACT/AAT≤4。
The present invention also provides a kind of photographic devices, including optical imagery eyeglass group as described above.
Compared with prior art, the invention has the following advantages:
The present invention provides a kind of optical imagery eyeglass group and the photographic device using the optical imagery eyeglass group, for being adapted to
In each electronic device.In the optical imagery eyeglass group, by realize each eyeglass face structure and optical parameter it is best
Change range combinations, it is ensured that high-order image quality, can effectively shorten system length in the case where maintain high image quality,
Have focal length characteristic and meet demand of dolly-out,ing dolly-back, while the photographic device being made to keep the frivolous and portable characteristic of volume.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention one；
Fig. 2 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention one from left to right
Figure；
Fig. 3 is a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention one；
Fig. 4 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention two；
Fig. 5 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention two from left to right
Figure；
Fig. 6 is a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention two；
Fig. 7 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention three；
Fig. 8 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention three from left to right
Figure；
Fig. 9 is a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention three；
Figure 10 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention four；
Figure 11 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention four from left to right
Figure；
Figure 12 is a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention four；
Figure 13 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention five；
Figure 14 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention five from left to right
Figure；
Figure 15 is a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention five；
Figure 16 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention six；
Figure 17 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention six from left to right
Figure；
Figure 18 is a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention six；
Figure 19 is the third lens image side surface in a kind of optical imagery eyeglass group provided by the embodiment of the present invention one from light
Schematic diagram of the wheelbase from the vertical range Yc32 between the nearest point of inflexion and optical axis；
Figure 20 is the 5th lens image side surface in a kind of optical imagery eyeglass group provided by the embodiment of the present invention one from light
Schematic diagram of the wheelbase from the vertical range Yc52 between the nearest point of inflexion and optical axis.
In above-mentioned figure:
First Tou Jing ︰ 110,210,310,410,510,610；Object Ce Biao Mian ︰ 111,211,311,411,511,611；Picture
Ce Biao Mian ︰ 112,212,312,412,512,612；
2nd saturating mirror ︰ 120,220,320,420,520,620；Object Ce Biao Mian ︰ 121,221,321,421,521,621；Picture
Ce Biao Mian ︰ 122,222,322,422,522,622；
San Tou Jing ︰ 130,230,330,430,530,630；Object Ce Biao Mian ︰ 131,231,331,431,531,631；Picture
Ce Biao Mian ︰ 132,232,332,432,532,632；
4th Tou Jing ︰ 140,240,340,440,540,640；Object Ce Biao Mian ︰ 141,241,341,441,541,641；Picture
Ce Biao Mian ︰ 142,242,342,442,542,642；
5th Tou Jing ︰ 150,250,350,450,550,650；Object Ce Biao Mian ︰ 151,251,351,451,551,651；Picture
Ce Biao Mian ︰ 152,252,352,452,552,652；
6th Tou Jing ︰ 160,260,360,460,560,660；Object Ce Biao Mian ︰ 161,261,361,461,561,661；Picture
Ce Biao Mian ︰ 162,262,362,462,562,662；
Infrared fileter: 170,270,370,470,570,670；Imaging surface: 180,280,380,480,580,680；
Aperture: 101,102,103,104,105,106；The third lens point of inflexion: 1301；The 5th lens point of inflexion: 1501；
F: the focal length of optical imagery eyeglass group；The focal length of f1: the first lens；The focal length of f2: the second lens；Fi: the i-th thoroughly
The focal length of mirror, i value 2,3,4,5,6；The spacing distance of T23: the second lens and the third lens on optical axis；T45: the four lens
With spacing distance of the 5th lens on optical axis；CT2: the second lens are in the thickness on optical axis；CT3: the third lens are on optical axis
Thickness；The radius of curvature of R7: the four lens object side surface；The radius of curvature of R8: the four lens image side surface；TL: the first thoroughly
Mirror object side surface is to imaging surface in the distance on optical axis；TL62: the six lens image side surface is to imaging surface in the distance on optical axis；
Yc32: the vertical range between the third lens image side surface point of inflexion nearest from optical axis distance and optical axis；Yc52: the five lens picture
Vertical range between the side surface point of inflexion nearest from optical axis distance and optical axis；ACT: indicate first lens to the described 6th
Thickness the sum of of each lens of lens on optical axis；AAT: indicate first lens between each adjacent lens of the 6th lens
The sum of spacing distance on optical axis.
Specific embodiment
To enable the purpose of the present invention, feature, advantage more obvious and understandable, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that reality disclosed below
Applying example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing:
The present invention provides a kind of optical imagery eyeglass group, by object side to image side sequentially includes the first lens, second along optical axis
Lens, the third lens, the 4th lens, the 5th lens and the 6th lens and one be located at image side imaging surface, further include one infrared
Optical filter is set between the 6th lens and imaging surface, has no effect on the focal length of optical imagery eyeglass group.
Wherein, the lens in the optical imagery eyeglass group with refracting power are six.First lens, the second lens, third
Have between each two adjacent lens in an airspace can be all had on optical axis in lens, the 4th lens, the 5th lens and the 6th lens
Conducive to the assembling of lens, to promote manufacturing yield.
First lens have positive refracting power, and object side surface is convex surface at dipped beam axis, to provide the optical imagery eyeglass
Positive refracting power needed for group, and can effectively shorten the optics total length of optical imagery eyeglass group.In addition, the first lens image side table
Face is concave surface at dipped beam axis, can effectively adjust low order aberration.
Second lens have negative refracting power, are conducive to the aberration caused by the first lens that makes corrections, and its image side surface is in close
It is concave surface at optical axis, facilitates the optical path for adjusting different-waveband, concentrate picture point more, and can effectively correct optical imaging lens
The aberration of piece group.
The third lens have positive refracting power, to reduce the susceptibility of optical imagery eyeglass group.Its object side surface is in dipped beam
It is convex surface at axis, image side surface is concave surface at dipped beam axis, and its image side surface has at least one point of inflexion, can effectively repair
Just paraxial spherical aberration, while reducing the astigmatism curvature of field on periphery.
4th lens have positive refracting power, can effectively disperse refracting power configuration, to avoid excessive aberration is generated, improve at
As quality.
5th lens have negative refracting power, are capable of the color difference of balance optical imaging lens group, and help to correct aberration.Its
Image side surface is concave surface at dipped beam axis, and its image side surface has an at least point of inflexion, attached in amendment optical axis well as a result,
While close chromatic aberation and spherical aberration, the multiplying power chromatic aberation and coma outside axis are also corrected well.
6th lens have negative refracting power, can balance optical imaging lens group positive refracting power, and effectively correct its color difference；
Wherein, it can be concave surface at the 6th lens object side surface dipped beam axis, pass through the face shape of the 6th lens object side surface of control, strengthen it
The configuration of refracting power is more advantageous to the amendment of optical imagery eyeglass group color difference, avoids into image distortion.
In addition, can be convex surface at the 6th lens image side surface dipped beam axis in one of embodiment of the present embodiment,
By adjusting the change in shape on the 6th lens image side surface, can be conducive to suppress the angle that off-axis visual field is incident in imaging surface, with
Imaging illumination is maintained, and helps to correct its off-axis aberration, promotes image quality.
Specifically, the object side of the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens is
Towards object space side, image side is towards the side of image space.
In such a configuration, it is arranged in pairs or groups by reasonable material selection and refracting power, when meeting specific condition, entirely
Optical imagery eyeglass group has preferable light aggregate capabilities, significantly reduced while meeting high pixel request optics at
As the total length of lens set, to achieve the purpose that product is lightening.
In addition, an at least diaphragm settable on demand is facilitated in the optical imagery eyeglass group with reducing stray light
Promote image quality.In the present invention, which is configured to preposition aperture, i.e., aperture be set to object and the first lens it
Between.The preposition setting of aperture can make the outgoing pupil of optical imagery eyeglass group and imaging surface generate longer distance, make it have
Telecentricity effect, and the CCD or CMOS that can increase electronics photosensitive element receive the efficiency of image.
The invention discloses optical imagery eyeglass group in, if lens surface is convex surface and when not defining the convex surface position,
Indicate that the convex surface can be located at lens surface dipped beam axis；If lens surface is concave surface and does not define the concave surface position, then it represents that
The concave surface can be located at lens surface dipped beam axis.If the refracting power or focal length of lens do not define its regional location, then it represents that should
The refracting power or focal length of lens can be refracting power or focal length of the lens at dipped beam axis.
Wherein it is understood that in the foregoing description, lens object side surface refers to for convex surface: crossing on lens object side surface
Any point do section, total surface is on the right of section, and radius of curvature is positive；Conversely, object side surface is then concave surface,
Radius of curvature is negative.Image side surface refers to for convex surface: lens image side surface crosses any point on face and does section, and total surface is in section
The left side, radius of curvature are negative；Conversely, image side surface is concave surface, radius of curvature is positive.If crossing lens object side surface or image side
Surface crosses any point on face and does section, the existing part on the section left side in surface, and has the part on the right of section, then the surface
There are knee of curves, and the judgement of object side, image side concave-convex surface is still applicable in the above method at dipped beam axis.
The aspheric curve equation of each lens is expressed as follows:
Wherein, X is the point for being Y apart from optical axis on aspherical, with the phase for being tangential on the section on vertex on aspherical optical axis
To height；R is radius of curvature；Y is the vertical range of the point and optical axis in aspheric curve；K is conical surface coefficient；Ai is the i-th rank
Asphericity coefficient.
The focal length of the optical imagery eyeglass group is f, and the spacing distance of the 4th lens and the 5th lens on optical axis is T45,
First lens to the sum of spacing distance between the 6th each adjacent lens of lens on optical axis be AAT, the first lens object side surface
In the distance on optical axis it is TL to imaging surface, optical imagery eyeglass group meets following condition:
0.3≤T45/(AAT-T45)≤0.7；And
0.8≤TL/f≤1。
By meeting relational expression: 0.3≤T45/ (AAT-T45)≤0.7 can rationally control the 4th lens and the 5th lens
Gap, the miniaturization of optical imagery eyeglass group is realized while guaranteeing optical imagery eyeglass group leader coke characteristic, and advantageous
In the packaging technology for guaranteeing eyeglass.
By meeting relational expression: 0.8≤TL/f≤1, while guaranteeing the focal length characteristic of optical imagery eyeglass group, shorten
The overall length of optical imagery eyeglass group, it is also ensured that higher image quality.
In the present embodiment, the vertical range between the third lens image side surface point of inflexion nearest from optical axis distance and optical axis
For Yc32, the vertical range between the 5th lens image side surface point of inflexion nearest from optical axis distance and optical axis is Yc52, optics at
As lens set meets following relationship: 1≤Yc32/Yc52≤1.5.To effectively promote ray height, meet imaging system height
The requirement of pixel and deflection of light is made to tend to mitigate；Moreover it is possible to which the susceptibility of imaging system is effectively reduced, and effectively correct
Coma, distortion and the color difference of imaging system.
The radius of curvature of 4th lens object side surface is R7, and the radius of curvature on the 4th lens image side surface is R8, optics at
As lens set meets following relationship: -2≤(R7+R8)/(R7-R8)≤2.When meeting the condition, by each to the 4th lens
The curvature on surface rationally, the configuration of optimization, can further correct the astigmatism of optics optical imagery eyeglass group, the curvature of field, color difference or
Spherical aberration.
The spacing distance of second lens and the third lens on optical axis is T23, the second lens on optical axis with a thickness of
CT2, the third lens are in, with a thickness of CT3, which meets condition: 0.1≤T23/ (CT2+CT3) on optical axis
≤0.5.It avoids the spacing between relatively thin the second lens and the third lens too big whereby, causes assembling and the difficulty in molding,
Help to improve the manufacturing yield of optical imagery eyeglass group assembling.
Further, in one of them preferable embodiment of the present embodiment, which meets item
Part: 0.1≤T23/ (CT2+CT3)≤0.3.
The focal length of the optical imagery eyeglass group is f, and the 6th lens image side surface to imaging surface is in the distance on optical axis
TL62, optical imagery eyeglass group meet following relationship: 4.5≤f/TL62≤8.By meeting the condition to strengthen optical imagery
Lens set look in the distance ability and having both shorten after coke, be conducive to the miniaturization of entire optical imagery eyeglass group.
Further, in one of them preferable embodiment of the present embodiment, optical imagery eyeglass group condition: 5≤
f/TL62≤7。
The focal length of first lens is f1, and the focal length along optical axis i-th lens by object side to image side is fi, optical imaging lens
Piece group meets following relationship: | f1 | < | fi |, i=2~6.Setting can ensure that the first lens have strongest in system bend in this way
Power is rolled over, other relatively weak refracting power lens can be cooperated to carry out lens error correction, light polymerization etc..
The focal length of first lens is f1, and the focal length of the second lens is f2, and optical imagery eyeglass group meets following relationship:
0.5≤|f1/f2|≤0.9.By control the first lens and the second lens ratio, can update the system front end aberration.
In one of them preferable embodiment of the present embodiment, this is studied as lens set meets condition: 0.73≤|
f1/f2|≤0.82。
The sum of the thickness of first lens to the 6th each lens of lens on optical axis is ACT, and the first lens are each to the 6th lens
The sum of spacing distance between adjacent lens on optical axis is AAT, and optical imagery eyeglass group meets following relationship: 1.6≤
ACT/AAT≤4.By having to the ratio reasonable disposition for originally studying airspace between lens thickness and lens as lens set
Conducive to the total length of shortening optical imagery eyeglass group, and ensure that the molding of eyeglass totality and yield are stablized.
In one of them preferable embodiment of the present embodiment, this is studied as lens set meets condition: 1.82≤
ACT/AAT≤3。
In the present embodiment, the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens
Object side surface and image side surface are aspherical.
Embodiment one
It please refers to Fig.1 to Fig.3, Fig. 1 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention one, figure
2 be sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention one from left to right, and Fig. 3 is this hair
A kind of spherical aberration curve graph of optical imagery eyeglass group of bright embodiment one.As shown in Figure 1, optical imagery eyeglass group is by object side to picture
Side sequentially includes aperture 101, the first lens 110, the second lens 120, the third lens 130, the 4th lens 140, the 5th lens
150, the 6th lens 160 and imaging surface 180；In addition, the optical imagery eyeglass group further includes an infrared fileter 170.Its
In, the lens in the optical imagery eyeglass group with refracting power are six.
First lens 110, object side surface 111 are convex surface at dipped beam axis, and image side surface 112 is recessed at dipped beam axis
Face.Second lens 120 have negative refracting power, and its material is plastics；Its object side surface 121 is concave surface at dipped beam axis；Its
Image side surface 122 is concave surface at dipped beam axis.The third lens 130 have positive refracting power, and its material is plastics；Its object side table
Face 131 is convex surface at dipped beam axis, and image side surface 132 is concave surface at dipped beam axis, and its image side surface 132 has at least one
A point of inflexion.4th lens 140 have positive refracting power, and object side surface 141 and image side surface 142 are all aspherical, and its material
Matter is plastics.5th lens 150 have negative refracting power, and its material is plastics；Its image side surface 151 is recessed at dipped beam axis
Face, and its image side surface 152 has an at least point of inflexion.6th lens 160 have negative refracting power, and its material is plastics；The
It is concave surface at six lens object side surfaces, 161 dipped beam axis, can is convex surface at 162 dipped beam axis of the 6th lens image side surface.
The focal length of the optical imagery eyeglass group of first embodiment is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=6.03mm；Fno=1.99；And FOV=43.48 °.
In the present embodiment, the spacing distance of the 4th lens 140 and the 5th lens 150 on optical axis is T45, the first lens
The sum of spacing distance between each adjacent lens of 110 to the 6th lens 160 on optical axis is AAT, the first lens object side surface
111 to imaging surface 180 be TL in the distance on optical axis, and optical imagery eyeglass group meets following condition: T45/ (AAT-T45)=
0.55；And TL/f=0.98.
Figure 19 and Figure 20 are please referred to, Figure 19 is the third lens image side in a kind of optical imagery eyeglass group provided by the present invention
The schematic diagram of vertical range Yc32 between the surface point of inflexion nearest from optical axis distance and optical axis；Figure 20 is provided by the present invention
A kind of vertical range in optical imagery eyeglass group between the 5th lens image side the surface point of inflexion and optical axis nearest from optical axis distance
The schematic diagram of Yc52.In addition, vertical range between the third lens, the point of inflexion and optical axis of the 5th lens in following embodiment
It defines identical.
In the present embodiment, the third lens point of inflexion (1301) nearest from optical axis distance of the third lens image side surface 132
Vertical range between optical axis is Yc32, the 5th lens image side surface 152 fiveth lens point of inflexion nearest from optical axis distance
(1501) vertical range between optical axis is Yc52, and optical imagery eyeglass group meets the following conditions: Yc32/Yc52=1.35.
The radius of curvature of 4th lens object side surface 141 is R7, and the radius of curvature on the 4th lens image side surface 142 is R8,
Optical imagery eyeglass group meets the following conditions: (R7+R8)/(R7-R8)=2.
Second lens 120 and spacing distance of the third lens 130 on optical axis are T23, and the second lens 120 are on optical axis
With a thickness of CT2, the third lens 130 are in, with a thickness of CT3, which meets condition: T23/ (CT2+ on optical axis
CT3)=0.16.
The focal length of the optical imagery eyeglass group is f, the 6th lens image side surface 162 to imaging surface 180 on optical axis away from
From for TL62, optical imagery eyeglass group meets following relationship: f/TL62=5.85.
The focal length of first lens 110 is f1, and the focal length of the second lens 120 is f2, and optical imagery eyeglass group meets with ShiShimonoseki
It is formula: | f1/f2 |=0.78.
The sum of the thickness of first lens 110 to the 6th each lens of lens on optical axis is ACT, the first lens 110 to the 6th
The sum of spacing distance between each adjacent lens of lens 160 on optical axis is AAT, and optical imagery eyeglass group meets following relationship
Formula: ACT/AAT=2.40.
It please cooperate referring to following table 1-1, table 1-2.
Table 1-1 is the detailed structured data of Fig. 1 first embodiment, and wherein the unit of radius of curvature, thickness and focal length is mm,
And surface 0 to 16 is sequentially indicated by the surface of object side to image side.Table 1-2 is the asphericity coefficient data in first embodiment,
In, the conical surface coefficient in k table aspheric curve equation and then indicates each surface at A4, A6, A8, A10, A12, A14, A16
The rank asphericity coefficient of 4th, 6,8,10,12,14 and 16.In addition, following embodiment table is the signal of corresponding each embodiment
Figure and curve graph, data define all identical as the table 1-1 of first embodiment, the definition of table 1-2 in table, are not gone to live in the household of one's in-laws on getting married herein
It states.
Embodiment two
Fig. 4 to fig. 6 is please referred to, Fig. 4 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention two, figure
5 be sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention two from left to right, and Fig. 6 is this hair
A kind of spherical aberration curve graph of optical imagery eyeglass group of bright embodiment two.As shown in Figure 4, optical imagery eyeglass group is by object side to picture
Side sequentially includes aperture 102, the first lens 210, the second lens 220, the third lens 230, the 4th lens 240, the 5th lens
250, the 6th lens 260 and imaging surface 280；In addition, the optical imagery eyeglass group further includes an infrared fileter 270.Its
In, the lens in the optical imagery eyeglass group with refracting power are six.
First lens 210 have positive refracting power, and its material is plastics；Its object side surface 211 is convex at dipped beam axis
Face, image side surface 212 are concave surface at dipped beam axis.Second lens 220 have negative refracting power, and its material is plastics；Its object
Side surface 221 is concave surface at dipped beam axis, and its material is plastics；Its image side surface 222 is concave surface at dipped beam axis.Third is saturating
Mirror 230 has positive refracting power, and its material is plastics；Its object side surface 231 is convex surface, image side surface 232 at dipped beam axis
It is concave surface at dipped beam axis, and its image side surface 132 has at least one point of inflexion.4th lens 240 have positive refracting power, and
Its material is plastics；Its object side surface 241 and image side surface 242 are all aspherical.5th lens 250 have negative refracting power, and
Its material is plastics；Its image side surface 251 is concave surface at dipped beam axis, and its image side surface 252 has an at least point of inflexion.The
Six lens 260 have negative refracting power, and its material is plastics；It is concave surface at 6th lens object side surface, 261 dipped beam axis, the 6th thoroughly
It can be convex surface at 262 dipped beam axis of mirror image side surface.
The focal length of the optical imagery eyeglass group of second embodiment is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=6.03mm；Fno=1.99；And FOV=43.48 °.
In the present embodiment, the spacing distance of the 4th lens 240 and the 5th lens 250 on optical axis is T45, the first lens
The sum of spacing distance between each adjacent lens of 210 to the 6th lens 260 on optical axis is AAT, the first lens object side surface
211 to imaging surface 280 be TL in the distance on optical axis, and optical imagery eyeglass group meets following condition: T45/ (AAT-T45)=
0.53；And TL/f=0.98.
In the present embodiment, the point of inflexion nearest from optical axis distance of the third lens image side surface 232 is vertical between optical axis
Distance is Yc32, and the vertical range between the 5th lens image side surface 252 point of inflexion and optical axis nearest from optical axis distance is Yc52,
Optical imagery eyeglass group meets the following conditions: Yc32/Yc52=1.38.
The radius of curvature of 4th lens object side surface 241 is R7, and the radius of curvature on the 4th lens image side surface 242 is R8,
Optical imagery eyeglass group meets the following conditions: (R7+R8)/(R7-R8)=- 1.98.
Second lens 220 and spacing distance of the third lens 230 on optical axis are T23, and the second lens 220 are on optical axis
With a thickness of CT2, the third lens 230 are in, with a thickness of CT3, which meets condition: T23/ (CT2+ on optical axis
CT3)=0.16.
The focal length of the optical imagery eyeglass group is f, the 6th lens image side surface 262 to imaging surface 280 on optical axis away from
From for TL62, optical imagery eyeglass group meets following relationship: f/TL62=6.09.
The focal length of first lens 210 is f1, and the focal length of the second lens 220 is f2, and optical imagery eyeglass group meets with ShiShimonoseki
It is formula: | f1/f2 |=0.79.
The sum of the thickness of first lens 210 to each lens of the 6th lens 260 on optical axis is ACT, the first lens 210 to the
The sum of spacing distance between each adjacent lens of six lens 260 on optical axis is AAT, and optical imagery eyeglass group meets following relationship
Formula: ACT/AAT=2.47.
It please cooperate referring to following table 2-1, table 2-2.
Embodiment three
Fig. 7 to Fig. 9 is please referred to, Fig. 7 shows a kind of schematic diagram of optical imagery eyeglass group of the embodiment of the present invention three, figure
8 be sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention three from left to right, and Fig. 9 is this hair
A kind of spherical aberration curve graph of optical imagery eyeglass group of bright embodiment three.As shown in Figure 7, optical imagery eyeglass group is by object side to picture
Side sequentially includes aperture 103, the first lens 310, the second lens 320, the third lens 330, the 4th lens 340, the 5th lens
350, the 6th lens 360 and imaging surface 380；In addition, the optical imagery eyeglass group further includes an infrared fileter 370.Its
In, the lens in the optical imagery eyeglass group with refracting power are six.
First lens 310 have positive refracting power, and its material is plastics；Its object side surface 311 is convex at dipped beam axis
Face, image side surface 312 are concave surface at dipped beam axis.Second lens 320 have negative refracting power, and its material is plastics；Its object
Side surface 321 is concave surface at dipped beam axis, and its material is plastics；Its image side surface 322 is concave surface at dipped beam axis.Third is saturating
Mirror 330 has positive refracting power, and its material is plastics；Its object side surface 331 is convex surface, image side surface 332 at dipped beam axis
It is concave surface at dipped beam axis, and its image side surface 332 has at least one point of inflexion.4th lens 340 have positive refracting power, and
Its material is plastics；Its object side surface 341 and image side surface 342 are all aspherical.5th lens 350 have negative refracting power, and
Its material is plastics；Its image side surface 351 is concave surface at dipped beam axis, and its image side surface 352 has an at least point of inflexion.The
Six lens 360 have negative refracting power, and its material is plastics；It is concave surface at 6th lens object side surface, 361 dipped beam axis, the 6th thoroughly
It can be convex surface at 362 dipped beam axis of mirror image side surface.The material of infrared fileter 370 be glass, be set to the 6th lens 360 and
Between imaging surface 380, the focal length of optical imagery eyeglass group is had no effect on.
The focal length of the optical imagery eyeglass group of 3rd embodiment is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=5.98mm；Fno=1.99；And FOV=43.48 °.
In the present embodiment, the spacing distance of the 4th lens 340 and the 5th lens 350 on optical axis is T45, the first lens
The sum of spacing distance between each adjacent lens of 310 to the 6th lens 360 on optical axis is AAT, the first lens object side surface
311 to imaging surface 380 be TL in the distance on optical axis, and optical imagery eyeglass group meets following condition: T45/ (AAT-T45)=
0.58；And TL/f=1.00.
In the present embodiment, the point of inflexion nearest from optical axis distance of the third lens image side surface 332 is vertical between optical axis
Distance is Yc32, and the vertical range between the 5th lens image side surface 352 point of inflexion and optical axis nearest from optical axis distance is Yc52,
Optical imagery eyeglass group meets the following conditions: Yc32/Yc52=1.49.
The radius of curvature of 4th lens object side surface 341 is R7, and the radius of curvature on the 4th lens image side surface 342 is R8,
Optical imagery eyeglass group meets the following conditions: (R7+R8)/(R7-R8)=- 0.05.
Second lens 320 and spacing distance of the third lens 330 on optical axis are T23, and the second lens 320 are on optical axis
With a thickness of CT2, the third lens 330 are in, with a thickness of CT3, which meets condition: T23/ (CT2+ on optical axis
CT3)=0.11.
The focal length of the optical imagery eyeglass group is f, the 6th lens image side surface 362 to imaging surface 380 on optical axis away from
From for TL62, optical imagery eyeglass group meets following relationship: f/TL62=5.49.
The focal length of first lens 310 is f1, and the focal length of the second lens 320 is f2, and optical imagery eyeglass group meets with ShiShimonoseki
It is formula: | f1/f2 |=0.82.
The sum of the thickness of first lens 310 to each lens of the 6th lens 360 on optical axis is ACT, the first lens 310 to the
The sum of spacing distance between each adjacent lens of six lens 360 on optical axis is AAT, and optical imagery eyeglass group meets following relationship
Formula: ACT/AAT=3.00.
It please cooperate referring to following table 3-1, table 3-2.
Example IV
Figure 10 to Figure 12 is please referred to, Figure 10 shows a kind of signal of optical imagery eyeglass group of the embodiment of the present invention four
Figure, Figure 11 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention four from left to right, figure
12 be a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention four.As shown in Figure 10, optical imagery eyeglass group
By object side to image side sequentially include aperture 104, the first lens 410, the second lens 420, the third lens 430, the 4th lens 440,
5th lens 450, the 6th lens 460 and imaging surface 480；In addition, the optical imagery eyeglass group further includes an infrared fileter
470.Wherein, the lens in the optical imagery eyeglass group with refracting power are six.
First lens 410 have positive refracting power, and its material is plastics；Its object side surface 411 is convex at dipped beam axis
Face, image side surface 412 are concave surface at dipped beam axis.Second lens 420 have negative refracting power, and its material is plastics；Its object
Side surface 421 is concave surface at dipped beam axis, and its material is plastics；Its image side surface 422 is concave surface at dipped beam axis.Third is saturating
Mirror 430 has positive refracting power, and its material is plastics；Its object side surface 431 is convex surface, image side surface 432 at dipped beam axis
It is concave surface at dipped beam axis, and its image side surface 432 has at least one point of inflexion.4th lens 440 have positive refracting power, and
Its material is plastics；Its object side surface 441 and image side surface 442 are all aspherical.5th lens 450 have negative refracting power, and
Its material is plastics；Its image side surface 451 is concave surface at dipped beam axis, and its image side surface 452 has an at least point of inflexion.The
Six lens 460 have negative refracting power, and its material is plastics；It is concave surface at 6th lens object side surface, 461 dipped beam axis, the 6th thoroughly
It can be convex surface at 462 dipped beam axis of mirror image side surface.
The focal length of the optical imagery eyeglass group of fourth embodiment is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=5.83mm；Fno=1.99；And FOV=43.48 °.
In the present embodiment, the spacing distance of the 4th lens 440 and the 5th lens 450 on optical axis is T45, the first lens
The sum of spacing distance between each adjacent lens of 410 to the 6th lens 460 on optical axis is AAT, the first lens object side surface 411
It in the distance on optical axis is TL to imaging surface 480, optical imagery eyeglass group meets following condition: T45/ (AAT-T45)=0.68；
And TL/f=0.98.
In the present embodiment, the point of inflexion nearest from optical axis distance of the third lens image side surface 432 is vertical between optical axis
Distance is Yc32, and the vertical range between the 5th lens image side surface 452 point of inflexion and optical axis nearest from optical axis distance is Yc52,
Optical imagery eyeglass group meets the following conditions: Yc32/Yc52=1.25.
The radius of curvature of 4th lens object side surface 441 is R7, and the radius of curvature on the 4th lens image side surface 442 is R8,
Optical imagery eyeglass group meets the following conditions: (R7+R8)/(R7-R8)=0.15.
Second lens 420 and spacing distance of the third lens 430 on optical axis are T23, and the second lens 420 are on optical axis
With a thickness of CT2, the third lens 430 are in, with a thickness of CT3, which meets condition: T23/ (CT2+ on optical axis
CT3)=0.28.
The focal length of the optical imagery eyeglass group is f, the 6th lens image side surface 462 to imaging surface 480 on optical axis away from
From for TL62, optical imagery eyeglass group meets following relationship: f/TL62=6.48.
The focal length of first lens 410 is f1, and the focal length of the second lens 420 is f2, and optical imagery eyeglass group meets with ShiShimonoseki
It is formula: | f1/f2 |=0.73.
The sum of the thickness of first lens 410 to each lens of the 6th lens 460 on optical axis is ACT, the first lens 410 to the
The sum of spacing distance between each adjacent lens of six lens 460 on optical axis is AAT, and optical imagery eyeglass group meets following relationship
Formula: ACT/AAT=1.93.
It please cooperate referring to following table 4-1, table 4-2.
Embodiment five
Figure 13 to Figure 15 is please referred to, Figure 13 shows a kind of signal of optical imagery eyeglass group of the embodiment of the present invention five
Figure, Figure 14 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention five from left to right, figure
15 be a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention five.As shown in Figure 13, optical imagery eyeglass group
By object side to image side sequentially include aperture 105, the first lens 510, the second lens 520, the third lens 530, the 4th lens 540,
5th lens 550, the 6th lens 560 and imaging surface 580；In addition, the optical imagery eyeglass group further includes an infrared fileter
570.Wherein, the lens in the optical imagery eyeglass group with refracting power are six.
First lens 510 have positive refracting power, and its material is plastics；Its object side surface 511 is convex at dipped beam axis
Face, image side surface 512 are concave surface at dipped beam axis.Second lens 520 have negative refracting power, and its material is plastics；Its object
Side surface 521 is concave surface at dipped beam axis, and its material is plastics；Its image side surface 522 is concave surface at dipped beam axis.Third is saturating
Mirror 530 has positive refracting power, and its material is plastics；Its object side surface 531 is convex surface, image side surface 532 at dipped beam axis
It is concave surface at dipped beam axis, and its image side surface 532 has at least one point of inflexion.4th lens 540 have positive refracting power, and
Its material is plastics；Its object side surface 541 and image side surface 542 are all aspherical.5th lens 550 have negative refracting power, and
Its material is plastics；Its image side surface 551 is concave surface at dipped beam axis, and its image side surface 552 has an at least point of inflexion.The
Six lens 560 have negative refracting power, and its material is plastics；It is concave surface at 6th lens object side surface, 561 dipped beam axis, the 6th thoroughly
It can be convex surface at 562 dipped beam axis of mirror image side surface.
The focal length of the optical imagery eyeglass group of 5th embodiment is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=5.83mm；Fno=1.99；And FOV=43.48 °.
In the present embodiment, the spacing distance of the 4th lens 540 and the 5th lens 550 on optical axis is T45, the first lens
The sum of spacing distance between each adjacent lens of 510 to the 6th lens 560 on optical axis is AAT, the first lens object side surface
511 to imaging surface 580 be TL in the distance on optical axis, and optical imagery eyeglass group meets following condition: T45/ (AAT-T45)=
0.36；And TL/f=0.99.
In the present embodiment, the point of inflexion nearest from optical axis distance of the third lens image side surface 532 is vertical between optical axis
Distance is Yc32, and the vertical range between the 5th lens image side surface 532 point of inflexion and optical axis nearest from optical axis distance is Yc52,
Optical imagery eyeglass group meets the following conditions: Yc32/Yc52=1.30.
The radius of curvature of 4th lens object side surface 541 is R7, and the radius of curvature on the 4th lens image side surface 542 is R8,
Optical imagery eyeglass group meets the following conditions: (R7+R8)/(R7-R8)=0.16.
Second lens 520 and spacing distance of the third lens 530 on optical axis are T23, and the second lens 520 are on optical axis
With a thickness of CT2, the third lens 530 are in, with a thickness of CT3, which meets condition: T23/ (CT2+ on optical axis
CT3)=0.33.
The focal length of the optical imagery eyeglass group is f, the 6th lens image side surface 562 to imaging surface 580 on optical axis away from
From for TL62, optical imagery eyeglass group meets following relationship: f/TL62=7.07.
The focal length of first lens 510 is f1, and the focal length of the second lens 520 is f2, and optical imagery eyeglass group meets with ShiShimonoseki
It is formula: | f1/f2 |=0.73.
The sum of the thickness of first lens 510 to each lens of the 6th lens 560 on optical axis is ACT, the first lens 510 to the
The sum of spacing distance between each adjacent lens of six lens 560 on optical axis is AAT, and optical imagery eyeglass group meets following relationship
Formula: ACT/AAT=1.82.
It please cooperate referring to following table 5-1, table 5-2.
Embodiment six
Figure 16 to Figure 18 is please referred to, Figure 16 shows a kind of signal of optical imagery eyeglass group of the embodiment of the present invention six
Figure, Figure 17 is sequentially the astigmatism and distortion curve of a kind of optical imagery eyeglass group of the embodiment of the present invention six from left to right, figure
18 be a kind of spherical aberration curve graph of optical imagery eyeglass group of the embodiment of the present invention six.As shown in Figure 16, optical imagery eyeglass group
By object side to image side sequentially include aperture 106, the first lens 610, the second lens 620, the third lens 630, the 4th lens 640,
5th lens 650, the 6th lens 660 and imaging surface 680；In addition, the optical imagery eyeglass group further includes an infrared fileter
670.Wherein, the lens in the optical imagery eyeglass group with refracting power are six.
First lens 610 have positive refracting power, and its material is plastics；Its object side surface 611 is convex at dipped beam axis
Face, image side surface 612 are concave surface at dipped beam axis.Second lens 620 have negative refracting power, and its material is plastics；Its object
Side surface 621 is concave surface at dipped beam axis, and its material is plastics；Its image side surface 622 is concave surface at dipped beam axis.Third is saturating
Mirror 630 has positive refracting power, and its material is plastics；Its object side surface 631 is convex surface, image side surface 632 at dipped beam axis
It is concave surface at dipped beam axis, and its image side surface 632 has at least one point of inflexion.4th lens 640 have positive refracting power, and
Its material is plastics；Its object side surface 641 and image side surface 642 are all aspherical.5th lens 650 have negative refracting power, and
Its material is plastics；Its image side surface 651 is concave surface at dipped beam axis, and its image side surface 652 has an at least point of inflexion.The
Six lens 660 have negative refracting power, and its material is plastics；It is concave surface at 6th lens object side surface, 661 dipped beam axis, the 6th thoroughly
It can be convex surface at 662 dipped beam axis of mirror image side surface.
The focal length of the optical imagery eyeglass group of sixth embodiment is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=6.11mm；Fno=1.99；And FOV=43.48 °.
In the present embodiment, the spacing distance of the 4th lens 640 and the 5th lens 650 on optical axis is T45, the first lens
The sum of spacing distance between each adjacent lens of 610 to the 6th lens 660 on optical axis is AAT, the first lens object side surface
611 to imaging surface 680 be TL in the distance on optical axis, and optical imagery eyeglass group meets following condition: T45/ (AAT-T45)=
0.54；And TL/f=0.95.
In the present embodiment, the point of inflexion nearest from optical axis distance of the third lens image side surface 632 is vertical between optical axis
Distance is Yc32, and the vertical range between the 5th lens image side surface 652 point of inflexion and optical axis nearest from optical axis distance is Yc52,
Optical imagery eyeglass group meets the following conditions: Yc32/Yc52=1.27.
The radius of curvature of 4th lens object side surface 641 is R7, and the radius of curvature on the 4th lens image side surface 642 is R8,
Optical imagery eyeglass group meets the following conditions: (R7+R8)/(R7-R8)=0.19.
Second lens 620 and spacing distance of the third lens 630 on optical axis are T23, and the second lens 620 are on optical axis
With a thickness of CT2, the third lens 630 are in, with a thickness of CT3, which meets condition: T23/ (CT2+ on optical axis
CT3)=0.34.
The focal length of the optical imagery eyeglass group is f, the 6th lens image side surface 662 to imaging surface 680 on optical axis away from
From for TL62, optical imagery eyeglass group meets following relationship: f/TL62=5.85.
The focal length of first lens 610 is f1, and the focal length of the second lens 620 is f2, and optical imagery eyeglass group meets with ShiShimonoseki
It is formula: | f1/f2 |=0.73.
The sum of the thickness of first lens 610 to each lens of the 6th lens 660 on optical axis is ACT, the first lens 610 to the
The sum of spacing distance between each adjacent lens of six lens 620 on optical axis is AAT, and optical imagery eyeglass group meets following relationship
Formula: ACT/AAT=1.85.
It please cooperate referring to following table 6-1, table 6-2.
Embodiment seven
Based on above-mentioned each embodiment, the present embodiment provides a kind of photographic devices, including light provided by above-described embodiment
It studies as lens set, for adapting in each electronic device.The optical imaging lens with six eyeglasses that the various embodiments described above provide
In piece group, by realizing the face structure of each eyeglass and the optimization range combinations of optical parameter, it is ensured that high-order image quality,
High image quality can be maintained in the case where effectively shortening system length, have focal length characteristic and meet demand of dolly-out,ing dolly-back
The photographic device is set to keep the frivolous and portable characteristic of volume simultaneously.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of optical imagery eyeglass group, which is characterized in that sequentially include by object side to image side along optical axis:
First lens have positive refracting power, and object side surface is convex surface at dipped beam axis, and image side surface is recessed at dipped beam axis
Face；
Second lens have negative refracting power, and object side surface is concave surface at dipped beam axis, and image side surface is recessed at dipped beam axis
Face；
The third lens have positive refracting power；
4th lens have positive refracting power；
5th lens have negative refracting power；And
6th lens have negative refracting power, and object side surface is concave surface at dipped beam axis, and image side surface is convex at dipped beam axis
Face；
First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens object side surface and picture
Side surface is aspherical；
Wherein, the focal length of the optical imagery eyeglass group is f, the 4th lens and interval of the 5th lens on optical axis
Distance is T45, and first lens are to the sum of the spacing distance between each adjacent lens of the 6th lens on optical axis
AAT, the first lens object side surface to imaging surface are TL in the distance on optical axis, and the optical imagery eyeglass group meets following
Condition:
0.3≤T45/(AAT-T45)≤0.7；And
0.8≤TL/f≤1。
2. optical imagery eyeglass group according to claim 1, which is characterized in that the object side surface of the third lens is in close
It is convex surface at optical axis, image side surface is concave surface at dipped beam axis, and its image side surface has at least one point of inflexion.
3. optical imagery eyeglass group according to claim 1, which is characterized in that the 5th lens image side surface is in dipped beam
It is concave surface at axis, and its image side surface has an at least point of inflexion.
4. optical imagery eyeglass group according to any one of claims 1 to 3, which is characterized in that the third lens image side
Vertical range between the surface point of inflexion nearest from optical axis distance and optical axis is Yc32, and the 5th lens image side surface is from optical axis
Vertical range between the nearest point of inflexion and optical axis is Yc52, and the optical imagery eyeglass group meets following relationship:
1≤Yc32/Yc52≤1.5。
5. optical imagery eyeglass group according to any one of claims 1 to 3, which is characterized in that the 4th lens object side
The radius of curvature on surface is R7, and the radius of curvature on the 4th lens image side surface is R8, and the optical imagery eyeglass group meets
Following relationship:
-2≤(R7+R8)/(R7-R8)≤2。
6. optical imagery eyeglass group according to any one of claims 1 to 3, which is characterized in that second lens and institute
Stating spacing distance of the third lens on optical axis is T23, and second lens are in, with a thickness of CT2, the third is saturating on optical axis
Mirror is in, with a thickness of CT3, the optical imagery eyeglass group meets following relationship on optical axis:
0.1≤T23/(CT2+CT3)≤0.5。
7. optical imagery eyeglass group according to any one of claims 1 to 3, which is characterized in that the 6th lens image side
Surface is TL62 in the distance on optical axis to imaging surface, and the optical imagery eyeglass group meets following relationship:
4.5≤f/TL62≤8。
8. optical imagery eyeglass group according to any one of claims 1 to 3, which is characterized in that the coke of first lens
Away from for f1, the focal length along optical axis i-th lens by object side to image side is fi, and the optical imagery eyeglass group meets following relationship
Formula:
| f1 | < | fi |, i=2~6；
The focal length of first lens is f1, and the focal length of second lens is f2, and the optical imagery eyeglass group meets following
Relational expression:
0.5≤|f1/f2|≤0.9。
9. optical imagery eyeglass group according to any one of claims 1 to 3, which is characterized in that first lens to institute
Stating the sum of the thickness of the 6th each lens of lens on optical axis is ACT, first lens to each adjacent lens of the 6th lens
Between the sum of spacing distance on optical axis be AAT, the optical imagery eyeglass group meets following relationship:
1.6≤ACT/AAT≤4。
10. a kind of photographic device, which is characterized in that including optical imagery eyeglass group as described in any one of claim 1 to 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109613683A (en) * | 2019-02-12 | 2019-04-12 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN112285897A (en) * | 2020-12-25 | 2021-01-29 | 常州市瑞泰光电有限公司 | Image pickup optical lens |
| CN113640959A (en) * | 2019-10-10 | 2021-11-12 | 康达智株式会社 | Camera lens |
| WO2022033326A1 (en) * | 2020-08-13 | 2022-02-17 | 江西晶超光学有限公司 | Optical system, lens module, and electronic device |
| CN115166945A (en) * | 2021-12-08 | 2022-10-11 | 三星电机株式会社 | Optical imaging system and electronic device |
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