CN109143551A - A kind of optical imagery eyeglass group and the photographic device using the optical imagery eyeglass group - Google Patents
A kind of optical imagery eyeglass group and the photographic device using the optical imagery eyeglass group Download PDFInfo
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- CN109143551A CN109143551A CN201811108129.9A CN201811108129A CN109143551A CN 109143551 A CN109143551 A CN 109143551A CN 201811108129 A CN201811108129 A CN 201811108129A CN 109143551 A CN109143551 A CN 109143551A
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- lens
- optical imagery
- imagery eyeglass
- eyeglass group
- image side
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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
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 the optical imagery eyeglass group is f, the first lens object side surface to the distance in imaging surface on optical axis be TL, the effective radius on first lens image side surface is SD12, the effective radius on second lens image side surface is SD22, and the optical imagery eyeglass group meets following condition: 0.1≤SD12-SD22≤0.3；And 0.9≤TL/f≤1.Above-mentioned optical imagery eyeglass group, by the way that the face structure of each eyeglass is matched with optical parameter, ensure high-order image quality, high image quality can be maintained under the premise of effectively shortening system length, so that optical imagery eyeglass group is had focal length characteristic and is met demand of dolly-out,ing dolly-back, while keeping the photographic device for applying the optical imagery eyeglass group light and portable.
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.This does not require nothing more than optical imaging lens and has the performances such as miniaturization, large aperture, high-resolution, can also want sometimes
Ask optical imaging lens that there are the characteristics such as focal length.In addition, for some electronic equipments, for example, smart phone using ultra-narrow frame,
Comprehensive screen of Rimless designs, it is desirable that the optical lens head sizes that photographing module uses are smaller.
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, focal length characteristic, good image quality can be taken into account while the total length for being effectively compressed optical imaging lens,
Reach lightening, and camera lens head minimizes, meets the growth requirement that current electronic equipment is ultra-thin, minimizes.
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 image side surface is concave surface at dipped beam axis, and its image side surface has at least
One point of inflexion；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 first lens object side surface is to imaging surface on optical axis
Distance be TL, the effective radius on first lens image side surface is SD12, effectively the half of second lens image side surface
Diameter is SD22, and the optical imagery eyeglass group meets following condition:
0.1≤SD12-SD22≤0.3；And
0.9≤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 vertical range between the third lens image side surface critical point and optical axis is Yc32, and the described 5th thoroughly
Vertical range between image side surface critical point and optical axis is Yc52, and the optical imagery eyeglass group meets following relationship:
1≤Yc32/Yc52≤1.5。
Optionally, the 4th lens to the 5th lens are T45 in the air gap on optical axis, and the 4th lens are in light
On axis with a thickness of CT4, the 5th lens are in, with a thickness of CT5, the optical imagery eyeglass group meets with ShiShimonoseki on optical axis
It is formula:
0.4≤T45/(CT4+CT5)≤1.0。
Optionally, the third lens to the 4th lens in the air gap on optical axis be T34, first lens to institute
Stating the summation between the 6th each adjacent lens of lens in the airspace on optical axis is AAT, and the optical imagery eyeglass group meets
Following relationship:
0.1≤T34/AAT≤0.3。
Optionally, the effective radius on the 6th lens image side surface be SD62, Entry pupil diameters EPD, the optics at
As lens set meets following relationship:
0.5≤SD62/EPD≤0.7。
Optionally, the focal length of the optical imagery eyeglass group is f, and the focal length of first lens is f1, and described second thoroughly
The focal length of mirror is f2, and the optical imagery eyeglass group meets following relationship:
2.5≤|f/f1|+|f/f2|≤3.5。
Optionally, the focal length of the optical imagery eyeglass group is f, and the radius of curvature on the 6th lens image side surface is
R12, the optical imagery eyeglass group meet following relationship:
-0.5≤f/R12≤0。
Optionally, first lens on optical axis with a thickness of CT1, second lens on optical axis with a thickness of
CT2, the optical imagery eyeglass group meet following relationship:
2≤CT1/CT2≤4。
The present invention also provides a kind of photographic device, 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, is applied to each
In electronic device.In the optical imagery eyeglass group, by the way that the face structure of each eyeglass is matched with optical parameter, it is ensured that
High-order image quality can maintain high image quality under the premise of effectively shortening system length, make optical imagery eyeglass group
Have focal length characteristic and meet and dolly-out, dolly-back demand, at the same keep the photographic device volume for applying the optical imagery eyeglass group frivolous and
It is easy to carry.
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；
The effective radius of SD12: the first lens image side surface；The effective radius of SD22: the second lens image side surface；TL: the first thoroughly
Mirror object side is to imaging surface in the distance on optical axis；F: the focal length of optical imagery eyeglass group；Yc32: the third lens image side surface is critical
Vertical range between point and optical axis；Vertical range between Yc52: the five lens image side surface critical point and optical axis；T45: the four lens
To the 5th lens in the air gap on optical axis；CT4: the four lens are in the thickness on optical axis；CT5: the five lens are on optical axis
Thickness；T34: the third lens are to the 4th lens in the air gap on optical axis；AAT: indicate first lens to described the
In the summation of the airspace on optical axis between each adjacent lens of six lens；The effective radius of SD62: the six lens image side surface；
EPD: Entry pupil diameters；The focal length of f1: the first lens；The focal length of f2: the second lens；The curvature of R12: the six lens image side surface half
Diameter；CT1: the first lens are in the thickness on optical axis；CT2: the second lens are in the thickness 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, further include one be located at image side imaging surface and one its set
The infrared fileter being placed between the 6th lens and imaging surface, the infrared fileter do not influence the focal length of optical imagery eyeglass group.
In the optical imagery eyeglass group, an at least diaphragm settable on demand helps to promote shadow to reduce stray light
As quality.In the present invention, which is configured to preposition aperture, i.e. aperture is set between object and the first lens.Aperture
Preposition setting the outgoing pupil (Exit Pupil) of optical imagery eyeglass group and imaging surface can be made to generate longer distance, make it
With telecentricity (Telecentric) effect, and the CCD or CMOS that can increase electronics photosensitive element receive the efficiency of image.
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 the object side surface of first lens is convex surface at dipped beam axis, can adjust just
Refracting power configuration, and then reinforce shortening optics total length；The image side surface of first lens is concave surface, Neng Gouyou at dipped beam axis
Effect adjustment low order aberration.
Second lens have negative refracting power, are conducive to make corrections to aberration caused by the first lens.Wherein, this second
The object side surface of lens is concave surface at dipped beam axis, and the image side surface of second lens is concave surface at dipped beam axis, helps to adjust
The optical path of whole different-waveband, concentrates picture point more, and can effectively correct the aberration of imaging optical mirror slip group.
The third lens, have positive refracting power, and the object side surface of the third lens is convex surface, image side surface at dipped beam axis
It is concave surface at dipped beam axis, and its image side surface has at least one point of inflexion, which can reduce optical mirror slip group
Susceptibility, and can effectively correct 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, thus
Improve image quality.
5th lens have negative refracting power, are capable of the color difference of balanced image system lens set, and help to correct aberration；
5th lens image side surface is recessed at dipped beam axis, and its image side surface has an at least point of inflexion, thus, effectively repairing
While chromatic aberation and spherical aberration near positive optical axis, additionally it is possible to further correct the multiplying power chromatic aberation and broom outside axis
Difference.
6th lens have negative refracting power, are capable of the positive refracting power of balance optical image system group, and effectively correct optics
The color difference of image system group.
Wherein, the object side surface of the 6th lens is concave surface at dipped beam axis, passes through the face of the 6th lens object side surface
Shape to strengthen the configuration of its refracting power, and then is more advantageous to the amendment of optical imagery eyeglass group color difference, avoids into image distortion.It should
The image side surface of 6th lens is conducive at dipped beam axis for convex surface by adjusting the change in shape on the 6th lens image side surface
The angle that off-axis visual field is incident in imaging surface is suppressed, to maintain imaging illumination, and helps to correct its off-axis aberration, and then promoted
Image quality.
Above-mentioned 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.
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.
It is understood that in the foregoing description, lens object side surface refers to for convex surface: spending appointing on lens object side surface
Meaning a little does section, and total surface is on the right of section, and radius of curvature is positive；Conversely, object side surface is then concave surface, curvature
Radius is negative.Image side surface refers to for convex surface: lens image side surface crosses any point on face and does section, a left side of the total surface in section
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 table
Face 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 is deposited
In knee of curve, 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, the first lens object side surface to imaging surface on optical axis away from
From for TL, the effective radius on first lens image side surface is SD12, and the effective radius on second lens image side surface is
SD22, the optical imagery eyeglass group meet following condition: 0.1≤SD12-SD22≤0.3；And 0.9≤TL/f≤1.
The condition: 0.1 < SD12-SD22 < 0.3, by the effective radius and the second lens that limit the first lens image side surface
The effective radius on image side surface ensures the big image height of system while reducing optical imagery eyeglass group head sizes, to guarantee
High pixel.If being more than lower limit 0.1, optical imagery eyeglass group head will be excessive, does not meet narrow forehead design in some applications
Standard；If being more than the upper limit 0.3, the aberrations such as astigmatism, the spherical aberration of optical imagery eyeglass group are poor, are not able to satisfy image quality and want
It asks.The condition: 0.8≤TL/f≤1, guarantee optical imagery eyeglass group focal length characteristic while, shorten the optics at
As the overall length of lens set, and guarantee higher image quality.
In said structure, it is combined, is being met by reasonable material selection, refracting power collocation and each lens shape
When above-mentioned specific condition, which has outstanding light aggregate capabilities, thus meeting high pixel request
While the total length of optical imagery eyeglass group be effectively reduced reach lightening to reduce the volume of optical imagery eyeglass group
Purpose.
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.
Vertical range between the third lens image side surface critical point and optical axis is Yc32, the 5th lens image side table
Vertical range between face critical point and optical axis is Yc52, and the optical imagery eyeglass group meets following relationship: 1≤Yc32/
Yc52≤1.5.Ray height can effectively be promoted by meeting this condition, to meet the requirement of the high pixel of imaging system, and can be effective
Reduce the susceptibility of imaging system；Deflection of light can also be made to tend to mitigate in addition, meeting the condition, while can be effectively modified to
As the coma of system, distortion and color difference.
4th lens to the 5th lens are T45 in the air gap on optical axis, and the 4th lens are on optical axis
With a thickness of CT4, the 5th lens are in, with a thickness of CT5, the optical imagery eyeglass group meets following relationship on optical axis:
0.4≤T45/(CT4+CT5)≤1.0.In the condition, meet it by the gap of the 4th lens of control and the 5th lens
Relational expression is stated, the miniaturization of optical imagery eyeglass group is realized while guaranteeing optical imagery eyeglass group leader coke characteristic, and is had
Conducive to the packaging technology for ensuring eyeglass.
The third lens to the 4th lens in the air gap on optical axis be T34, first lens to the described 6th
Summation between each adjacent lens of lens in the airspace on optical axis is AAT, and the optical imagery eyeglass group meets with ShiShimonoseki
It is formula: 0.1≤T34/AAT≤0.3.Meet the relational expression can ensure the lens of closer object with close to the saturating of imaging surface
Mirror is evenly distributed, and is conducive to the collocation between eyeglass.Preferably, meeting 0.2≤T34/AAT≤0.3.
Further, in wherein one preferable embodiment, the optical imagery eyeglass group meets condition: 0.2≤
T34/AAT≤0.3。
The effective radius on the 6th lens image side surface is SD62, Entry pupil diameters EPD, the optical imagery eyeglass group
Meet following relationship: 0.5≤SD62/EPD≤0.7.Meet the condition can suitably maintain outer diameter size and improving optical at
As the light-inletting quantity of lens set, helps to maintain the miniaturization of optical imagery eyeglass group and meet large aperture demand.
The focal length of the optical imagery eyeglass group is f, and the focal length of first lens is f1, the focal length of second lens
For f2, the optical imagery eyeglass group meets following relationship: 2.5≤| f/f1 |+| f/f2 |≤3.5.Meeting the condition can
Effectively Strength Changes of the control including the optical imagery eyeglass group object side refracting power, with the lens error correction energy of fortifier side
Power.
The focal length of the optical imagery eyeglass group is f, and the radius of curvature on the 6th lens image side surface is R12, described
Optical imagery eyeglass group meets following relationship: -0.5≤f/R12≤0.By controlling the curvature on the 6th lens image side surface, have
The principal point for helping optical imagery eyeglass group is conducive to maintain far from imaging surface so as to shortening the back focal length of optical imagery eyeglass group
The miniaturization of optical imagery eyeglass group.
First lens on optical axis with a thickness of CT1, second lens on optical axis with a thickness of CT2, it is described
Optical imagery eyeglass group meets following relationship: 2≤CT1/CT2≤4.By deploying the first lens of optical imagery eyeglass group front end
The ratio of thickness and the second lens thickness facilitates the total length for shortening lens set, and then is conducive to eyeglass molding and ensures
Product yield is stablized.
Further, in wherein one preferable embodiment, the optical imagery eyeglass group meets condition: 3≤
CT1/CT2≤3.5。
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 include one be set to the 6th lens 160 and
Infrared fileter 170 between imaging surface 180, the infrared fileter 170 do not influence the focal length of optical imagery eyeglass group.
Wherein, the lens in the optical imagery eyeglass group with refracting power are six.
First lens 110 have positive refracting power, and its material is plastics；The object side surface 111 of first lens 110 is in close
It is convex surface at optical axis, the image side surface 112 of first lens 110 is concave surface at dipped beam axis.Its two surface is all aspherical.
Second lens 120, material are plastics；Second lens 120 have negative refracting power, wherein second lens 120
Object side surface 121 at dipped beam axis be concave surface, the image side surface 122 of second lens at dipped beam axis be concave surface.Its two table
Face is all aspherical.
The third lens 130, material are plastics；The third lens 130 have positive refracting power, and object side surface 131 is in close
It is convex surface at optical axis, image side surface 132 is concave surface at dipped beam axis, and its image side surface 132 has at least one point of inflexion.
Its two surface is all aspherical.
4th lens 140, material are plastics, have positive refracting power, object side surface 141, image side surface 142 are all non-
Spherical surface.
5th lens 150, material are plastics, have negative refracting power, the image side surface 152 of the 5th lens 150 is in close
It is recessed at optical axis, and its image side surface 152 has an at least point of inflexion.Its object side surface 151, image side surface 152 are all aspheric
Face.
6th lens 160, material are plastics, have negative refracting power.Its object side surface 161, image side surface 162 are all non-
Spherical surface.Wherein, the object side surface 161 of the 6th lens 160 is concave surface, the image side surface of the 6th lens 160 at dipped beam axis
162 be convex surface at dipped beam axis.
The material of infrared fileter 170 is glass, is set between the 6th lens 160 and imaging surface 180, has no effect on
The focal length of optical imagery eyeglass group.
In the present embodiment, the focal length of optical imagery eyeglass group is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=5.92mm；Fno=1.99；And FOV=43.48 °.
It please cooperate referring to following table 1-1, table 1-2 and table 1-3.
Table 1-1 is each detailed structured data of component in embodiment one, 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 embodiment one,
In, the conical surface coefficient in k table aspheric curve equation and then indicates each surface at A4, A6, A8, A10, A12, A14, A16
4,6,8,10,12,14 and 16 rank asphericity coefficient.Table 1-3 is by the item that the optical imagery eyeglass group meets in embodiment one
Part.In addition, following embodiment table is the schematic diagram and curve graph of corresponding each embodiment, the definition of data is all in table
The definition of table 1-1, the table 1-2 and table 1-3 of one embodiment are identical, and not in this to go forth.
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 201, 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 include one be set to the 6th lens 260 and
Infrared fileter 270 between imaging surface 280, the infrared fileter 270 do not influence the focal length of optical imagery eyeglass group.
Wherein, 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；The object side surface 211 of first lens 210 is in close
It is convex surface at optical axis, the image side surface 212 of first lens 210 is concave surface at dipped beam axis, can effectively adjust low order aberration.
Its two surface is all aspherical.
Second lens 220, material are plastics；Second lens 220 have negative refracting power.Wherein, second lens 220
Object side surface 221 at dipped beam axis be concave surface, the image side surface 122 of second lens at dipped beam axis be concave surface.Its two table
Face is all aspherical.
The third lens 230, material are plastics；The third lens 230 have positive refracting power, and object side surface 231 is in close
It is convex surface at optical axis, image side surface 232 is concave surface at dipped beam axis, and its image side surface 232 has at least one point of inflexion.
Its two surface is all aspherical.
4th lens 240, material are plastics, have positive refracting power.Its object side surface 241, image side surface 242 are all non-
Spherical surface.
5th lens 250, material are plastics, have negative refracting power；The image side surface 252 of 5th lens 250 is in close
It is recessed at optical axis, and its image side surface 252 has an at least point of inflexion.Its object side surface 251, image side surface 252 are all aspheric
Face.
6th lens 260, material are plastics, have negative refracting power, object side surface 261, image side surface 262 are all non-
Spherical surface.
Wherein, the object side surface 261 of the 6th lens 260 is concave surface, the image side table of the 6th lens 260 at dipped beam axis
Face 262 is convex surface at dipped beam axis.
The material of infrared fileter 270 is glass, is set between the 6th lens 260 and imaging surface 280, has no effect on
The focal length of optical imagery eyeglass group.
In the present embodiment, the focal length of optical imagery eyeglass group is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=6.17mm；Fno=2.00；And FOV=43.48 °.
It please cooperate referring to following table 2-1, table 2-2 and table 2-3.
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 301, 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 include one be set to the 6th lens 360 and
Infrared fileter 370 between imaging surface 380, the infrared fileter 370 do not influence the focal length of optical imagery eyeglass group.
Wherein, 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；The object side surface 311 of first lens 310 is in close
It is convex surface at optical axis, the image side surface 312 of first lens 310 is concave surface at dipped beam axis.Its two surface is all aspherical.
Second lens 320, material are plastics；Second lens 320 have negative refracting power.Wherein, second lens 320
Object side surface 321 at dipped beam axis be concave surface, the image side surface 322 of second lens at dipped beam axis be concave surface.Its two table
Face is all aspherical.
The third lens 330, material are plastics；The third lens 330 have positive refracting power, and object side surface 331 is in close
It is convex surface at optical axis, image side surface 332 is concave surface at dipped beam axis, and its image side surface 332 has at least one point of inflexion.
Its two surface is all aspherical.
4th lens 340, material are plastics, have positive refracting power, so as to improve image quality.Its object side surface 341,
Image side surface 342 is all aspherical.
5th lens 350, material are plastics, have negative refracting power；The image side surface 352 of 5th lens 350 is in close
It is recessed at optical axis, and its image side surface 352 has an at least point of inflexion.Its object side surface 351, image side surface 352 are all aspheric
Face.
6th lens 360, material are plastics, have negative refracting power.Its object side surface 361, image side surface 362 are all non-
Spherical surface.
Wherein, the object side surface 361 of the 6th lens 360 is concave surface, the image side table of the 6th lens 360 at dipped beam axis
Face 362 is convex surface at dipped beam axis.
The material of infrared fileter 370 is glass, is set between the 6th lens 360 and imaging surface 380, has no effect on
The focal length of optical imagery eyeglass group.
In the present embodiment, the focal length of optical imagery eyeglass group is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=6.16mm；Fno=1.99；And FOV=43.48 °.
It please cooperate referring to following table 3-1, table 3-2 and table 3-3.
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 401, 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 one being set to the 6th
Infrared fileter 470 between lens 460 and imaging surface 480, the infrared fileter 470 do not influence the coke of optical imagery eyeglass group
Away from.
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；The object side surface 411 of first lens 410 is in close
It is convex surface at optical axis, the image side surface 412 of first lens 410 is concave surface at dipped beam axis.Its two surface is all aspherical.
Second lens 420, material are plastics；Second lens 420 have negative refracting power.Wherein, second lens 420
Object side surface 421 at dipped beam axis be concave surface, the image side surface 422 of second lens at dipped beam axis be concave surface.Its two table
Face is all aspherical.
The third lens 430, material are plastics；The third lens 430 have positive refracting power, and object side surface 431 is in close
It is convex surface at optical axis, image side surface 432 is concave surface at dipped beam axis, and its image side surface 432 has at least one point of inflexion.
Its two surface is all aspherical.
4th lens 440, material are plastics, have positive refracting power.Its object side surface 441, image side surface 442 are all non-
Spherical surface.
5th lens 450, material are plastics, have negative refracting power；The image side surface 452 of 5th lens 450 is in close
It is recessed at optical axis, and its image side surface 452 has an at least point of inflexion.Its object side surface 451, image side surface 452 are all aspheric
Face.
6th lens 460, material are plastics, have negative refracting power.Its object side surface 461, image side surface 462 are all non-
Spherical surface.
Wherein, the object side surface 461 of the 6th lens 460 is concave surface, the image side table of the 6th lens 460 at dipped beam axis
Face 462 is convex surface at dipped beam axis.
The material of infrared fileter 470 is glass, is set between the 6th lens 460 and imaging surface 480, has no effect on
The focal length of optical imagery eyeglass group.
In the present embodiment, the focal length of optical imagery eyeglass group is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=5.77mm；Fno=1.99；And FOV=43.48 °.
It please cooperate referring to following table 4-1, table 4-2 and table 4-3.
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 501, 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 one being set to the 6th
Infrared fileter 570 between lens 560 and imaging surface 580, the infrared fileter 570 do not influence the coke of optical imagery eyeglass group
Away from.
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；The object side surface 511 of first lens 510 is in close
It is convex surface at optical axis, the image side surface 512 of first lens 510 is concave surface at dipped beam axis.Its two surface is all aspherical.
Second lens 520, material are plastics；Second lens 520 have negative refracting power.Wherein, second lens 520
Object side surface 521 at dipped beam axis be concave surface, the image side surface 522 of second lens at dipped beam axis be concave surface.Its two table
Face is all aspherical.
The third lens 530, material are plastics；The third lens 530 have positive refracting power, and object side surface 531 is in close
It is convex surface at optical axis, image side surface 532 is concave surface at dipped beam axis, and its image side surface 532 has at least one point of inflexion.
Its two surface is all aspherical.
4th lens 540, material are plastics, have positive refracting power, can disperse refracting power configuration, effectively to avoid production
Raw excessive aberration, so as to improve image quality.Its object side surface 541, image side surface 542 are all aspherical.
5th lens 550, material are plastics, have negative refracting power；The image side surface 552 of 5th lens 550 is in close
It is recessed at optical axis, and its image side surface 552 has an at least point of inflexion.Its object side surface 551, image side surface 552 are all aspheric
Face.
6th lens 560, material are plastics, have negative refracting power.Its object side surface 561, image side surface 562 are all non-
Spherical surface.
Wherein, the object side surface 561 of the 6th lens 560 is concave surface, the image side table of the 6th lens 560 at dipped beam axis
Face 562 is convex surface at dipped beam axis.
The material of infrared fileter 570 is glass, is set between the 6th lens 560 and imaging surface 580, has no effect on
The focal length of optical imagery eyeglass group.
In the present embodiment, the focal length of optical imagery eyeglass group 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 °.
It please cooperate referring to following table 5-1, table 5-2 and table 5-3.
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 601, 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 one being set to the 6th
Infrared fileter 670 between lens 660 and imaging surface 680, the infrared fileter 670 do not influence the coke of optical imagery eyeglass group
Away from.
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；The object side surface 611 of first lens 610 is in close
It is convex surface at optical axis, the image side surface 612 of first lens 610 is concave surface at dipped beam axis.Its two surface is all aspherical.
Second lens 620, material are plastics；Second lens 620 have negative refracting power.Wherein, second lens 620
Object side surface 621 at dipped beam axis be concave surface, the image side surface 622 of second lens at dipped beam axis be concave surface.Its two table
Face is all aspherical.
The third lens 630, material are plastics；The third lens 630 have positive refracting power, and object side surface 631 is in close
It is convex surface at optical axis, image side surface 632 is concave surface at dipped beam axis, and its image side surface 632 has at least one point of inflexion.
Its two surface is all aspherical.
4th lens 640, material are plastics, have positive refracting power.Its object side surface 641, image side surface 642 are all non-
Spherical surface.
5th lens 650, material are plastics, have negative refracting power；The image side surface 652 of 5th lens 650 is in close
It is recessed at optical axis, and its image side surface 652 has an at least point of inflexion.Its object side surface 651, image side surface 652 are all aspheric
Face.
6th lens 660, material are plastics, have negative refracting power.Its object side surface 661, image side surface 662 are all non-
Spherical surface.Wherein, the object side surface 661 of the 6th lens 660 is concave surface, the image side surface of the 6th lens 660 at dipped beam axis
662 be convex surface at dipped beam axis.
The material of infrared fileter 670 is glass, is set between the 6th lens 660 and imaging surface 680, has no effect on
The focal length of optical imagery eyeglass group.
In the present embodiment, the focal length of optical imagery eyeglass group is f, f-number (F-number) is Fno and field angle
For FOV, numerical value is as follows: f=5.91mm；Fno=1.99；And FOV=43.48 °.
It please cooperate referring to following table 6-1, table 6-2 and table 6-3.
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.In the optical imagery eyeglass group, by by the face shape knot of each eyeglass
Structure is matched with optical parameter, it is ensured that high-order image quality can remain high under the premise of effectively shortening system length
Image quality makes optical imagery eyeglass group have focal length characteristic and meet demand of dolly-out,ing dolly-back, to make to apply the optical imagery
The photographic device volume of lens set is frivolous and easy to carry.
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 image side surface is concave surface at dipped beam axis, and its image side surface is anti-with at least one
Qu Dian；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 first lens object side surface to imaging surface on optical axis away from
From for TL, the effective radius on first lens image side surface is SD12, and the effective radius on second lens image side surface is
SD22, the optical imagery eyeglass group meet following condition:
0.1≤SD12-SD22≤0.3；And
0.9≤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. according to claim 1 to 2 described in any item optical imagery eyeglass groups, which is characterized in that the third lens image side
Vertical range between surface critical point and optical axis is Yc32, the 5th lens image side surface critical point it is vertical between optical axis away from
From for Yc52, the optical imagery eyeglass group meets following relationship:
1≤Yc32/Yc52≤1.5。
4. according to claim 1 to 2 described in any item optical imagery eyeglass groups, which is characterized in that the 4th lens to
Five lens are T45 in the air gap on optical axis, the 4th lens on optical axis with a thickness of CT4, the 5th lens in
On optical axis with a thickness of CT5, the optical imagery eyeglass group meets following relationship:
0.4≤T45/(CT4+CT5)≤1.0。
5. according to claim 1 to 2 described in any item optical imagery eyeglass groups, which is characterized in that the third lens to
Four lens in the air gap on optical axis be T34, first lens between each adjacent lens of the 6th lens in optical axis
On the summation of airspace be AAT, the optical imagery eyeglass group meets following relationship:
0.1≤T34/AAT≤0.3。
6. according to claim 1 to 2 described in any item optical imagery eyeglass groups, which is characterized in that the 6th lens image side
The effective radius on surface is SD62, Entry pupil diameters EPD, and the optical imagery eyeglass group meets following relationship:
0.5≤SD62/EPD≤0.7。
7. according to claim 1 to 2 described in any item optical imagery eyeglass groups, which is characterized in that the optical imagery eyeglass
The focal length of group is f, and the focal length of first lens is f1, and the focal length of second lens is f2, the optical imagery eyeglass group
Meet following relationship:
2.5≤|f/f1|+|f/f2|≤3.5。
8. according to claim 1 to 2 described in any item optical imagery eyeglass groups, which is characterized in that the optical imagery eyeglass
The focal length of group is f, and the radius of curvature on the 6th lens image side surface is R12, and the optical imagery eyeglass group meets with ShiShimonoseki
It is formula:
-0.5≤f/R12≤0。
9. according to claim 1 to 2 described in any item optical imagery eyeglass groups, which is characterized in that first lens are in light
On axis with a thickness of CT1, second lens are in, with a thickness of CT2, the optical imagery eyeglass group meets with ShiShimonoseki on optical axis
It is formula:
2≤CT1/CT2≤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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