CN106154487A - Optical lens, image-taking device and electronic installation - Google Patents
Optical lens, image-taking device and electronic installation Download PDFInfo
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- CN106154487A CN106154487A CN201510153031.5A CN201510153031A CN106154487A CN 106154487 A CN106154487 A CN 106154487A CN 201510153031 A CN201510153031 A CN 201510153031A CN 106154487 A CN106154487 A CN 106154487A
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Abstract
The invention discloses a kind of optical lens, image-taking device and electronic installation.Optical lens is sequentially comprised the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens by thing side to image side.First lens have negative refracting power, are concave surface at its image side surface dipped beam axle.Second lens have refracting power.3rd lens have positive refracting power.4th lens have positive refracting power, are convex surface at its image side surface dipped beam axle, and its two surface is all aspherical.5th lens have negative refracting power, are concave surface and its off-axis place comprises at least one convex surface at its image side surface dipped beam axle, and its two surface is all aspherical.6th lens have refracting power, are concave surface and its off-axis place comprises at least one convex surface at its image side surface dipped beam axle, and its two surface is all aspherical.When a specific condition is satisfied, it is possible to decrease the susceptibility of optical lens, and expand its visual angle.
Description
Technical field
The invention relates to a kind of optical lens and image-taking device, and apply at electricity in particular to one
Miniaturized optical camera lens on sub-device and image-taking device.
Background technology
In recent years, with having the rise of the electronic product of camera function, the demand of optical system day by day improves.
The photo-sensitive cell of general optical system nothing more than be photosensitive coupling element (Charge Coupled Device,
Or Complimentary Metal-Oxide semiconductor element (Complementary Metal-Oxide CCD)
Semiconductor Sensor, CMOS Sensor) two kinds, and progressing greatly with manufacture of semiconductor technology, make
The Pixel Dimensions obtaining photo-sensitive cell reduces, and optical system is gradually toward the development of high pixel neighborhoods, therefore to imaging product
The requirement of matter also increases day by day.
Optical system that tradition is equipped on electronic product use four or five chip lens arrangements based on, but
Sheng due to high standard mobile devices such as smart mobile phone (Smart Phone) and tablet PCs (Tablet PC)
OK, drive soaring rapidly on pixel and image quality of optical system, it is known that optical system will be unable to full
The camera chain of foot higher order.
Electronic product is towards toward lightening in recent years, and the image-taking device therefore arranged in pairs or groups also needs corresponding miniaturization, but
Known optical lens is but difficult to have concurrently the demand at big visual angle and short overall length, therefore, it is difficult to be equipped on frivolous electricity
On sub-device (such as mobile phone, portable apparatus etc.), though the six chip optical systems that make further progress at present, but
Configuration because of its lens, it is impossible under having the feature with miniaturization for the wide viewing angle concurrently, obtain aberration and relative illumination
More suitably configure, and then affect image quality.
Content of the invention
The present invention provides a kind of optical lens, image-taking device and electronic installation, by lens in optical lens
Configuration mode, can make to have concurrently the image-taking device of wide viewing angle and miniaturization and obtain aberration and more close with relative illumination
Suitable configuration, and be easier to obtain the better suited configuration of lens shape.
There is provided a kind of optical lens according to the present invention, thing side to image side is sequentially comprised the first lens, second saturating
Mirror, the 3rd lens, the 4th lens, the 5th lens and the 6th lens.First lens have negative refracting power,
It is concave surface at its image side surface dipped beam axle.Second lens have refracting power.3rd lens have positive refracting power.
4th lens have positive refracting power, are convex surface at its image side surface dipped beam axle, its thing side surface and image side surface
It is all aspherical.5th lens have negative refracting power, are concave surface at its image side surface dipped beam axle, its image side table
Off-axis place, face comprises at least one convex surface, and its thing side surface and image side surface are all aspherical.6th lens have
Refracting power, is concave surface at its image side surface dipped beam axle, and its off-axis place in image side surface comprises at least one convex surface, its
Thing side surface and image side surface are all aspherical.The lens in optical lens with refracting power are six, and appoint
Between the two adjacent lens with refracting power, all there is a spacing distance.The focal length of the first lens is f1, second
The focal length of lens is f2, and the first lens and spacing distance on optical axis for second lens are T12, the second lens
Being T23 with spacing distance on optical axis for the 3rd lens, it meets following condition:
-0.20<|f1|/f2<1.50；And
1.0<T12/T23。
More provide a kind of image-taking device according to the present invention, comprise optical lens as in the previous paragraph and sense electronics
Optical element, wherein sense electronics optical element is arranged at the imaging surface of optical lens.
Separately provide a kind of electronic installation according to the present invention, comprise image-taking device as in the previous paragraph.
Reoffer a kind of optical lens according to the present invention, by thing side to image side sequentially comprise the first lens, second
Lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens.First lens have negative refracting power,
It is concave surface at its image side surface dipped beam axle.Second lens have refracting power.3rd lens have positive refracting power.
4th lens have positive refracting power, are convex surface at its image side surface dipped beam axle, its thing side surface and image side surface
It is all aspherical.5th lens have negative refracting power, are concave surface at its image side surface dipped beam axle, its thing side table
Face and image side surface are all aspherical.6th lens have positive refracting power, are convex at its thing side surface dipped beam axle
Face, is concave surface at its image side surface dipped beam axle, and its off-axis place in image side surface comprises at least one convex surface, its thing side
Surface and image side surface are all aspherical.The lens in optical lens with refracting power are six, and appoint two-phase
Between the adjacent lens with refracting power, all there is a spacing distance.The focal length of the first lens is f1, the second lens
Focal length be f2, the focal length of the 4th lens is f4, and the focal length of the 6th lens is f6, and it meets following condition:
-1.50<|f1|/f2<4.0；And
0<f6/f4<4.0。
More provide a kind of image-taking device according to the present invention, comprise optical lens as in the previous paragraph and sense electronics
Optical element, wherein sense electronics optical element is arranged at the imaging surface of optical lens.
There is provided again a kind of electronic installation according to the present invention, comprise image-taking device as in the previous paragraph.
When | f1 |/f2 meets above-mentioned condition, the refracting power configuration of regulation and control the first lens that can be suitable and the second lens,
The surface accuracy isosensitivity for the first lens and the second lens for the optical lens can be reduced, and be conducive to expanding it
Visual angle, and be conducive to making.
When T12/T23 meets above-mentioned condition, there is between the first lens and the second lens enough spaces,
Avoid producing between the first lens and the second lens or the second lens and the 3rd lens collision when assembling, more permissible
Effectively utilize mirror group space, to realize wide viewing angle and miniaturization so that it is there is good image quality.
When f6/f4 meets above-mentioned condition, the refracting power configuration of optical lens contributes to shortening total length, maintains
Its miniaturization.
Brief description
Fig. 1 illustrates the schematic diagram of a kind of image-taking device according to first embodiment of the invention；
Fig. 2 is sequentially the spherical aberration of first embodiment, astigmatism from left to right and distorts curve map；
Fig. 3 illustrates the schematic diagram of a kind of image-taking device according to second embodiment of the invention；
Fig. 4 is sequentially the spherical aberration of the second embodiment, astigmatism from left to right and distorts curve map；
Fig. 5 illustrates the schematic diagram of a kind of image-taking device according to third embodiment of the invention；
Fig. 6 is sequentially the spherical aberration of the 3rd embodiment, astigmatism from left to right and distorts curve map；
Fig. 7 illustrates the schematic diagram of a kind of image-taking device according to fourth embodiment of the invention；
Fig. 8 is sequentially the spherical aberration of the 4th embodiment, astigmatism from left to right and distorts curve map；
Fig. 9 illustrates the schematic diagram of a kind of image-taking device according to fifth embodiment of the invention；
Figure 10 is sequentially the spherical aberration of the 5th embodiment, astigmatism from left to right and distorts curve map；
Figure 11 illustrates the schematic diagram of a kind of image-taking device according to sixth embodiment of the invention；
Figure 12 is sequentially the spherical aberration of sixth embodiment, astigmatism from left to right and distorts curve map；
Figure 13 illustrates the schematic diagram of a kind of image-taking device according to seventh embodiment of the invention；
Figure 14 is sequentially the spherical aberration of the 7th embodiment, astigmatism from left to right and distorts curve map；
Figure 15 illustrates the schematic diagram according to parameter Sag52 in Fig. 1 first embodiment；
Figure 16 illustrates the schematic diagram of a kind of electronic installation according to eighth embodiment of the invention；
Figure 17 illustrates the schematic diagram of a kind of electronic installation according to ninth embodiment of the invention；And
Figure 18 illustrates the schematic diagram of a kind of electronic installation according to tenth embodiment of the invention.
[symbol description]
Electronic installation: the 10th, the 20th, 30
Image-taking device: the 11st, the 21st, 31
Aperture: the 100th, the 200th, the 300th, the 400th, the 500th, the 600th, 700
First lens: the 110th, the 210th, the 310th, the 410th, the 510th, the 610th, 710
Thing side surface: the 111st, the 211st, the 311st, the 411st, the 511st, the 611st, 711
Image side surface: the 112nd, the 212nd, the 312nd, the 412nd, the 512nd, the 612nd, 712
Second lens: the 120th, the 220th, the 320th, the 420th, the 520th, the 620th, 720
Thing side surface: the 121st, the 221st, the 321st, the 421st, the 521st, the 621st, 721
Image side surface: the 122nd, the 222nd, the 322nd, the 422nd, the 522nd, the 622nd, 722
3rd lens: the 130th, the 230th, the 330th, the 430th, the 530th, the 630th, 730
Thing side surface: the 131st, the 231st, the 331st, the 431st, the 531st, the 631st, 731
Image side surface: the 132nd, the 232nd, the 332nd, the 432nd, the 532nd, the 632nd, 732
4th lens: the 140th, the 240th, the 340th, the 440th, the 540th, the 640th, 740
Thing side surface: the 141st, the 241st, the 341st, the 441st, the 541st, the 641st, 741
Image side surface: the 142nd, the 242nd, the 342nd, the 442nd, the 542nd, the 642nd, 742
5th lens: the 150th, the 250th, the 350th, the 450th, the 550th, the 650th, 750
Thing side surface: the 151st, the 251st, the 351st, the 451st, the 551st, the 651st, 751
Image side surface: the 152nd, the 252nd, the 352nd, the 452nd, the 552nd, the 652nd, 752
6th lens: the 160th, the 260th, the 360th, the 460th, the 560th, the 660th, 760
Thing side surface: the 161st, the 261st, the 361st, the 461st, the 561st, the 661st, 761
Image side surface: the 162nd, the 262nd, the 362nd, the 462nd, the 562nd, the 662nd, 762
Infrared ray filters filter element: the 170th, the 270th, the 370th, the 470th, the 570th, the 670th, 770
Imaging surface: the 180th, the 280th, the 380th, the 480th, the 580th, the 680th, 780
Sense electronics optical element: the 190th, the 290th, the 390th, the 490th, the 590th, the 690th, 790
The focal length of f: optical lens
The f-number of Fno: optical lens
HFOV: the half at maximum visual angle in optical lens
The refractive index of the N1: the first lens
The refractive index of the N2: the second lens
The refractive index of the N3: the three lens
The refractive index of the N4: the four lens
The refractive index of the N5: the five lens
The refractive index of the N6: the six lens
The maximum in Nmax:N1, N2, N3, N4, N5 and N6
T12: the first lens and spacing distance on optical axis for second lens
T23: the second lens and spacing distance on optical axis for the 3rd lens
T34: the three lens and spacing distance on optical axis for the 4th lens
T45: the four lens and spacing distance on optical axis for the 5th lens
T56: the five lens and spacing distance on optical axis for the 6th lens
TL: the first lens thing side surface is to distance on optical axis for the imaging surface
Thickness on optical axis for CT1: the first lens
Thickness on optical axis for CT2: the second lens
Thickness on optical axis for CT3: the three lens
Thickness on optical axis for CT4: the four lens
Thickness on optical axis for CT5: the five lens
Thickness on optical axis for CT6: the six lens
Intersection point on optical axis for Sag52: the five surface, the lens image side has to the maximum on the 5th lens image side surface
Effect radial location is in the horizontal displacement of optical axis
The radius of curvature of the R11: the six lens thing side surface
The focal length of the f1: the first lens
The focal length of the f2: the second lens
The focal length of the f3: the three lens
The focal length of the f4: the four lens
The focal length of the f5: the five lens
The focal length of the f6: the six lens
Detailed description of the invention
A kind of optical lens, by thing side to image side sequentially comprise the first lens, the second lens, the 3rd lens,
4th lens, the 5th lens and the 6th lens, the lens wherein in optical lens with refracting power are six,
And between wantonly two adjacent lens with refracting power, all there is a spacing distance.
First lens of optical lens described in leading portion, the second lens, the 3rd lens, the 4th lens, the 5th saturating
In mirror and the 6th lens, between the wantonly two adjacent lens with refracting power, can all have a spacing distance；Also
That is, optical lens has six single unbonded lens.Owing to the processing procedure of cemented lens is compared with non-adhering
Lens are complicated, and the adhesive surface at two lens especially need to have the curved surface of high accuracy, in order to reach two lens bondings
When high adaptation, and bonding during, it is also possible to cause because of off normal adaptation not good, affect whole
Bulk optics image quality.Therefore, in optical lens of the present invention, between the wantonly two adjacent lens with refracting power
All there is a spacing distance, problem produced by cemented lens can be effectively improved.
First lens have negative refracting power, are concave surface at its image side surface dipped beam axle.Whereby, can effectively expand
Optical lens visual angle, increases the scope of image capture.
Second lens can have positive refracting power, can be convex surface at its thing side surface dipped beam axle, and its image side surface is near
It can be concave surface at optical axis.Whereby, it is possible to provide the positive refracting power of optical lens, correction astigmatism is helped to promote imaging
Quality, and contribute to shortening the total length of optical lens.
3rd lens have positive refracting power, whereby, can shorten the effect of optical lens total length further, dimension
Hold its miniaturization.
4th lens have positive refracting power, can be convex surface at its thing side surface dipped beam axle, and its thing side surface is off-axis
Place can comprise at least one concave surface, is convex surface at its image side surface dipped beam axle.Whereby, it is possible to decrease optical lens
Susceptibility, and can effectively suppress the incident angle of off-axis field rays, make the response of sense electronics optical element imitate
Rate promotes.
5th lens have negative refracting power, are concave surface at its image side surface dipped beam axle, and its image side surface is located off axis
At least one convex surface can be comprised.Whereby, the aberration with off-axis place at optical lens dipped beam axle can be revised, effectively carry
Rise image quality.
6th lens can have positive refracting power, can be convex surface at its thing side surface dipped beam axle, and its image side surface is near
Being concave surface at optical axis, its off-axis place in image side surface comprises at least one convex surface.Whereby, the master of optical lens can be made
Point (Principal Point), away from image side end, is conducive to shortening its back focal length maintaining miniaturization, and can be effective
Aberration at modified off-axis, promotes overall image quality further.
The focal length of the first lens is f1, and the focal length of the second lens is f2, and it meets following condition :-1.50 <
|f1|/f2<4.0.Whereby, the refracting power configuration of regulation and control the first lens that can be suitable and the second lens, it is possible to decrease
Optical lens is for the surface accuracy isosensitivity of the first lens and the second lens, and is conducive to expanding its visual angle,
And be conducive to making.It is preferred that following condition can be met :-0.70 < | f1 |/f2 < 1.80.More preferably, may be used
Meet following condition :-0.20 < | f1 |/f2 < 1.50.More preferably, following condition can be met again :-0.20 < | f1 |/f2
<1.0。
First lens and spacing distance on optical axis for second lens are T12, the second lens and the 3rd lens in
Spacing distance on optical axis is T23, and it meets following condition: 1.0 < T12/T23.Whereby, the first lens
And there is between the second lens enough spaces, avoid the first lens and the second lens or second when assembling
Between lens and the 3rd lens produce collision, more can effectively utilize mirror group space, with realize wide viewing angle with small-sized
Change so that it is there is good image quality.It is preferred that following condition can be met: 1.40 < T12/T23.
The focal length of the 4th lens is f4, and the focal length of the 6th lens is f6, and it meets following condition: 0 < f6/f4
<4.0.Whereby, the refracting power configuration of optical lens contributes to shortening total length, maintains it to minimize.
In optical lens, the half at maximum visual angle is HFOV, the first lens thing side surface to imaging surface in optical axis
On distance be TL, it meets following condition: 1.30 < tan (HFOV)；And TL/sin (HFOV × 1.6)
<7.0mm.Whereby, make optical lens more can represent the features such as big visual angle and short overall length, effectively maintain it little
Type.
First lens and spacing distance on optical axis for second lens are T12, the 3rd lens and the 4th lens in
Spacing distance on optical axis is T34, and the 4th lens and spacing distance on optical axis for the 5th lens are T45,
5th lens and spacing distance on optical axis for the 6th lens are T56, and it meets following condition: 1.25 <
T12/(T34+T45+T56)<4.0.Whereby, be conducive to improving being arranged at the tight of eyeglass between aperture and imaging surface
Density, can when avoiding assembling because of eyeglass with each other away from too big and need the element auxiliary such as spacer ring (Spacer),
Be conducive to the close-packed arrays of mirror group.
Thickness on optical axis for first lens is CT1, and thickness on optical axis for second lens is CT2, the 3rd
Thickness on optical axis for the lens is CT3, and thickness on optical axis for the 4th lens is CT4, and the 6th lens are in light
Thickness on axle is CT6, and it meets following condition: CT1 < CT2；CT1<CT3；CT1<CT4；
And CT1 < CT6.Whereby, contribute to manufacture and the assembling of lens, make optical lens have good one-tenth
As quality.
The focal length of optical lens is f, and the radius of curvature of the 6th lens thing side surface is R11, and it meets following
Condition: 0 < R11/f < 1.40.Whereby, be conducive to the aberration producing the 5th lens to make corrections, make system
Better image quality can be obtained.It is preferred that following condition can be met: 0 < R11/f < 1.0.
Thickness on optical axis for 5th lens is CT5, intersection point on optical axis for the 5th lens image side surface to
The maximum effective radius position of five surface, lens image sides is Sag52 (horizontal displacement in the horizontal displacement of optical axis
Amount towards image side direction then its value be just defined as, if towards thing side to its value is defined as bearing), it meets following
Condition: 4.0 < CT5/ | Sag52 |.Whereby, the shape of lens is suitably conducive to manufacturing and shaping, reduces into
The bad defect of type.
The refractive index of the first lens is N1, and the refractive index of the second lens is N2, and the refractive index of the 3rd lens is
N3, the refractive index of the 4th lens is N4, and the refractive index of the 5th lens is N5, the refractive index of the 6th lens
For N6, wherein in N1, N2, N3, N4, N5 and N6, the maximum is Nmax, and it meets following bar
Part: 1.60 < Nmax < 1.70.Whereby, contribute to the appropriately configured of lens material, be effectively reduced aberration
Generation.
The focal length of the first lens is f1, and the focal length of the second lens is f2, and the focal length of the 3rd lens is f3, the
The focal length of four lens is f4, and the focal length of the 5th lens is f5, and the focal length of the 6th lens is f6, under it meets
Row condition: | f5 | < | f1 |；|f5|<|f2|；|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.Whereby, light is made
Learn the refracting power configuration in camera lens suitably, contribute to the correction of aberration.
In the optical lens that the present invention provides, the material of lens can be plastic cement or glass.When the material of lens is
Plastic cement, can effectively reduce production cost.The another material working as lens is glass, then can increase optical lens
The free degree of refracting power configuration.Additionally, thing side surface and image side surface in optical lens can be aspherical
(ASP), the aspherical shape can being easily fabricated to beyond sphere, it is thus achieved that more controlled variable, in order to
Abatement aberration, and then the number that reduction lens use, therefore can effectively reduce the total of optical lens of the present invention
Length.
Furthermore, in the optical lens that the present invention provides, if lens surface is convex surface and does not defines this convex surface position
When, then it represents that this lens surface is convex surface at dipped beam axle；If lens surface is concave surface and does not defines this concave surface
During position, then it represents that this lens surface is concave surface at dipped beam axle.In the optical lens that the present invention provides, if
Lens have positive refracting power or negative refracting power, or the focal length of lens, all refer to the refracting power at lens dipped beam axle
Or focal length.
In addition, in optical lens of the present invention, at least one diaphragm can be arranged on demand, to reduce veiling glare, has
Help promote image quality.
The imaging surface of the optical lens of the present invention, according to the difference of its corresponding sense electronics optical element, can be one flat
Face or the curved surface having arbitrary curvature, particularly relate to concave surface towards toward thing side to curved surface.
In the optical lens of the present invention, aperture configuration can be preposition aperture or in put aperture, wherein preposition aperture
Imply that aperture is arranged between object and the first lens, in put aperture then represent aperture be arranged at the first lens with
Between imaging surface.If aperture is preposition aperture, the outgoing pupil (Exit Pupil) of optical lens and imaging surface can be made to produce
Raw longer distance so that it is there is telecentricity (Telecentric) effect, and the CCD of sense electronics optical element can be increased
Or CMOS receives the efficiency of image；Put aperture in if, contribute to the angle of visual field of expansion system, make light
Learn camera lens and there is the advantage of wide-angle lens.
The optical lens of the present invention also many-side can be applied to three-dimensional (3D) image capture, digital camera, movement
Product, digital flat panel, intelligent television, network monitoring device, somatic sensation television game machine, drive recorder, reversing
In the electronic installations such as developing apparatus and Wearable product.
The present invention provides a kind of image-taking device, comprises aforesaid optical lens and sense electronics optical element, wherein
Sense electronics optical element is arranged at the imaging surface of optical lens.By lens configuration mode in aforementioned optical camera lens,
Can make to have concurrently the image-taking device of wide viewing angle and miniaturization to obtain aberration and more suitably configure with relative illumination, and
And be easier to obtain the better suited configuration of lens shape.It is preferred that image-taking device can further include lens barrel
(Barrel Member), support device (Holder Member) or a combination thereof.
The present invention provides a kind of electronic installation, comprises aforesaid image-taking device.Whereby, image quality is promoted.
It is preferred that electronic installation can further include control unit (Control Unit), display unit (Display),
Storage element (Storage Unit), random access memory (RAM) or a combination thereof.
According to above-mentioned embodiment, specific embodiment set forth below simultaneously coordinates accompanying drawing to be described in detail.
<first embodiment>
Refer to Fig. 1 and Fig. 2, wherein Fig. 1 illustrates a kind of image-taking device according to first embodiment of the invention
Schematic diagram, Fig. 2 be sequentially from left to right the spherical aberration of first embodiment, astigmatism and distort curve map.By scheming
1 understands, the image-taking device of first embodiment comprises optical lens (not another label) and sense electronics optical element
190.The 100th, optical lens is sequentially comprised the first lens the 110th, the second lens the 120th, aperture by thing side to image side
3rd lens the 130th, the 4th lens the 140th, the 5th lens the 150th, the 6th lens the 160th, infrared ray filters optical filtering
Element 170 and imaging surface 180, and sense electronics optical element 190 is arranged at the imaging surface 180 of optical lens,
The lens wherein in optical lens with refracting power are six (110-160), and wantonly two adjacent have refracting power
Lens between all there is a spacing distance.
First lens 110 have negative refracting power, and are plastic cement material, at its thing side surface 111 dipped beam axle are
Convex surface, is concave surface at its image side surface 112 dipped beam axle, and is all aspherical.
Second lens 120 have negative refracting power, and are plastic cement material, at its thing side surface 121 dipped beam axle are
Convex surface, is concave surface at its image side surface 122 dipped beam axle, and is all aspherical.
3rd lens 130 have positive refracting power, and are plastic cement material, at its thing side surface 131 dipped beam axle are
Convex surface, is convex surface at its image side surface 132 dipped beam axle, and is all aspherical.
4th lens 140 have positive refracting power, and are plastic cement material, at its thing side surface 141 dipped beam axle are
Convex surface, is convex surface at its image side surface 142 dipped beam axle, and is all aspherical.In addition, the 4th lens thing side
The off-axis place in surface 141 comprises at least one concave surface.
5th lens 150 have negative refracting power, and are plastic cement material, at its thing side surface 151 dipped beam axle are
Concave surface, is concave surface at its image side surface 152 dipped beam axle, and is all aspherical.In addition, the 5th lens image side
The off-axis place in surface 152 comprises at least one convex surface.
6th lens 160 have positive refracting power, and are plastic cement material, at its thing side surface 161 dipped beam axle are
Convex surface, is concave surface at its image side surface 162 dipped beam axle, and is all aspherical.In addition, the 6th lens image side
The off-axis place in surface 162 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 170, and it is arranged at the 6th lens 160 and imaging surface
Between 180 and do not affect the focal length of optical lens.
The aspheric fitting equation of above-mentioned each lens is expressed as follows:
Wherein:
X: aspherical upper distance optical axis is the point of Y, itself and the phase being tangential on intersection point tangent plane on aspherical optical axis
Adjust the distance；
Y: the point in aspheric curve and the vertical range of optical axis；
R: radius of curvature；
K: conical surface coefficient；And
Ai: the i-th rank asphericity coefficient.
In the optical lens of first embodiment, the focal length of optical lens is f, the f-number of optical lens
(f-number) being Fno, in optical lens, the half at maximum visual angle is HFOV, and its numerical value is as follows: f=
1.00mm；Fno=2.15；And HFOV=63.5 degree.
In the optical lens of first embodiment, in optical lens, the half at maximum visual angle is HFOV, and it meets
Following condition: tan (HFOV)=2.01.
In the optical lens of first embodiment, the refractive index of the first lens 110 is N1, the second lens 120
Refractive index be N2, the refractive index of the 3rd lens 130 is N3, and the refractive index of the 4th lens 140 is N4,
The refractive index of the 5th lens 150 is N5, and the refractive index of the 6th lens 160 is N6, wherein N1, N2,
In N3, N4, N5 and N6, the maximum is Nmax, and it meets following condition: Nmax=1.633.
In the optical lens of first embodiment, the first lens 110 and interval on optical axis for second lens 120
Distance is T12, and the second lens 120 and spacing distance on optical axis for the 3rd lens 130 are T23, the 3rd
Lens 130 and spacing distance on optical axis for the 4th lens 140 are T34, and the 4th lens 140 are saturating with the 5th
Spacing distance on optical axis for the mirror 150 is T45, and the 5th lens 150 and the 6th lens 160 are on optical axis
Spacing distance is T56, and it meets following condition: T12/T23=1.85；And T12/ (T34+T45+T56)
=1.51.
In the optical lens of first embodiment, in optical lens, the half at maximum visual angle is HFOV, and first is saturating
Distance on optical axis for mirror thing side surface 111 to the imaging surface 180 is TL, and it meets following condition:
TL/sin (HFOV × 1.6)=4.30mm.
Coordinate with reference to Figure 15, be the schematic diagram illustrating according to parameter Sag52 in Fig. 1 first embodiment.By
Figure 15 understands, intersection point on optical axis for the 5th lens image side surface 152 is to the 5th lens image side surface 152
Maximum effective radius position be Sag52 in the horizontal displacement of optical axis, the 5th lens 150 are on optical axis
Thickness is CT5, and it meets following condition: CT5/ | Sag52 |=7.18.
In the optical lens of first embodiment, the focal length of optical lens is f, the 6th lens thing side surface 161
Radius of curvature be R11, it meets following condition: R11/f=0.56.
In the optical lens of first embodiment, the focal length of the first lens 110 is f1, Jiao of the second lens 120
Away from for f2, it meets following condition: | f1 |/f2=-0.04.
In the optical lens of first embodiment, the focal length of the 4th lens 140 is f4, Jiao of the 6th lens 160
Away from for f6, it meets following condition: f6/f4=1.06.
In the optical lens of first embodiment, thickness on optical axis for first lens 110 is CT1, and second is saturating
Thickness on optical axis for the mirror 120 is CT2, and thickness on optical axis for the 3rd lens 130 is CT3, and the 4th is saturating
Thickness on optical axis for the mirror 140 is CT4, and thickness on optical axis for the 6th lens 160 is CT6, and it meets
Following condition: CT1 < CT2；CT1<CT3；CT1<CT4；And CT1 < CT6.
In the optical lens of first embodiment, the focal length of the first lens 110 is f1, Jiao of the second lens 120
Away from for f2, the focal length of the 3rd lens 130 is f3, and the focal length of the 4th lens 140 is f4, the 5th lens 150
Focal length be f5, the focal length of the 6th lens 160 is f6, and it meets following condition: | f5 | < | f1 |；|f5|<|f2|；
|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.
Coordinate again with reference to following table one and table two.
Table one is the structured data that Fig. 1 first embodiment is detailed, the wherein list of radius of curvature, thickness and focal length
Position is mm, and surface 0-16 sequentially represents by the surface of thing side to image side.Table two is in first embodiment
Aspherical surface data, wherein, conical surface coefficient in k table aspheric curve equation, A4-A16 then represents
Each surface 4-16 rank asphericity coefficient.Additionally, following embodiment form is showing of corresponding each embodiment
It is intended to and aberration curve figure, the definition phase all with the table one of first embodiment and table two for the definition of data in form
Same, it is not added with at this repeating.
<the second embodiment>
Refer to Fig. 3 and Fig. 4, wherein Fig. 3 illustrates a kind of image-taking device according to second embodiment of the invention
Schematic diagram, Fig. 4 be sequentially from left to right the spherical aberration of the second embodiment, astigmatism and distort curve map.By scheming
3 understand, the image-taking device of the second embodiment comprises optical lens (not another label) and sense electronics optical element
290.The 200th, optical lens is sequentially comprised the first lens the 210th, the second lens the 220th, aperture by thing side to image side
3rd lens the 230th, the 4th lens the 240th, the 5th lens the 250th, the 6th lens the 260th, infrared ray filters optical filtering
Element 270 and imaging surface 280, and sense electronics optical element 290 is arranged at the imaging surface 280 of optical lens,
The lens wherein in optical lens with refracting power are six (210-260), and wantonly two adjacent have refracting power
Lens between all there is a spacing distance.
First lens 210 have negative refracting power, and are plastic cement material, at its thing side surface 211 dipped beam axle are
Convex surface, is concave surface at its image side surface 212 dipped beam axle, and is all aspherical.
Second lens 220 have positive refracting power, and are plastic cement material, at its thing side surface 221 dipped beam axle are
Convex surface, is concave surface at its image side surface 222 dipped beam axle, and is all aspherical.
3rd lens 230 have positive refracting power, and are plastic cement material, at its thing side surface 231 dipped beam axle are
Convex surface, is convex surface at its image side surface 232 dipped beam axle, and is all aspherical.
4th lens 240 have positive refracting power, and are plastic cement material, at its thing side surface 241 dipped beam axle are
Concave surface, is convex surface at its image side surface 242 dipped beam axle, and is all aspherical.In addition, the 4th lens thing side
The off-axis place in surface 241 comprises at least one concave surface.
5th lens 250 have negative refracting power, and are plastic cement material, at its thing side surface 251 dipped beam axle are
Concave surface, is concave surface at its image side surface 252 dipped beam axle, and is all aspherical.In addition, the 5th lens image side
The off-axis place in surface 252 comprises at least one convex surface.
6th lens 260 have positive refracting power, and are plastic cement material, at its thing side surface 261 dipped beam axle are
Convex surface, is concave surface at its image side surface 262 dipped beam axle, and is all aspherical.In addition, the 6th lens image side
The off-axis place in surface 262 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 270, and it is arranged at the 6th lens 260 and imaging surface
Between 280 and do not affect the focal length of optical lens.
Coordinate again with reference to following table three and table four.
In second embodiment, aspheric fitting equation represents the form such as first embodiment.Under additionally,
The definition of table parameter is all identical with first embodiment, and not in this to go forth.
Cooperation table three and table four can extrapolate following data:
In addition, in the optical lens of the second embodiment, thickness on optical axis for first lens 210 is CT1,
Thickness on optical axis for second lens 220 is CT2, and thickness on optical axis for the 3rd lens 230 is CT3,
Thickness on optical axis for 4th lens 240 is CT4, and thickness on optical axis for the 6th lens 260 is CT6,
It meets following condition: CT1 < CT2；CT1<CT3；CT1<CT4；And CT1 < CT6.
In the optical lens of the second embodiment, the focal length of the first lens 210 is f1, Jiao of the second lens 220
Away from for f2, the focal length of the 3rd lens 230 is f3, and the focal length of the 4th lens 240 is f4, the 5th lens 250
Focal length be f5, the focal length of the 6th lens 260 is f6, and it meets following condition: | f5 | < | f1 |；|f5|<|f2|；
|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.
<the 3rd embodiment>
Refer to Fig. 5 and Fig. 6, wherein Fig. 5 illustrates a kind of image-taking device according to third embodiment of the invention
Schematic diagram, Fig. 6 be sequentially from left to right the spherical aberration of the 3rd embodiment, astigmatism and distort curve map.By scheming
5 understand, the image-taking device of the 3rd embodiment comprises optical lens (not another label) and sense electronics optical element
390.The 300th, optical lens is sequentially comprised the first lens the 310th, the second lens the 320th, aperture by thing side to image side
3rd lens the 330th, the 4th lens the 340th, the 5th lens the 350th, the 6th lens the 360th, infrared ray filters optical filtering
Element 370 and imaging surface 380, and sense electronics optical element 390 is arranged at the imaging surface 380 of optical lens,
The lens wherein in optical lens with refracting power are six (310-360), and wantonly two adjacent have refracting power
Lens between all there is a spacing distance.
First lens 310 have negative refracting power, and are plastic cement material, at its thing side surface 311 dipped beam axle are
Convex surface, is concave surface at its image side surface 312 dipped beam axle, and is all aspherical.
Second lens 320 have positive refracting power, and are plastic cement material, at its thing side surface 321 dipped beam axle are
Convex surface, is concave surface at its image side surface 322 dipped beam axle, and is all aspherical.
3rd lens 330 have positive refracting power, and are plastic cement material, at its thing side surface 331 dipped beam axle are
Convex surface, is convex surface at its image side surface 332 dipped beam axle, and is all aspherical.
4th lens 340 have positive refracting power, and are plastic cement material, at its thing side surface 341 dipped beam axle are
Convex surface, is convex surface at its image side surface 342 dipped beam axle, and is all aspherical.In addition, the 4th lens thing side
The off-axis place in surface 341 comprises at least one concave surface.
5th lens 350 have negative refracting power, and are plastic cement material, at its thing side surface 351 dipped beam axle are
Concave surface, is concave surface at its image side surface 352 dipped beam axle, and is all aspherical.In addition, the 5th lens image side
The off-axis place in surface 352 comprises at least one convex surface.
6th lens 360 have positive refracting power, and are plastic cement material, at its thing side surface 361 dipped beam axle are
Convex surface, is concave surface at its image side surface 362 dipped beam axle, and is all aspherical.In addition, the 6th lens image side
The off-axis place in surface 362 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 370, and it is arranged at the 6th lens 360 and imaging surface
Between 380 and do not affect the focal length of optical lens.
Coordinate again with reference to following table five and table six.
In 3rd embodiment, aspheric fitting equation represents the form such as first embodiment.Under additionally,
The definition of table parameter is all identical with first embodiment, and not in this to go forth.
Cooperation table five and table six can extrapolate following data:
In addition, in the optical lens of the 3rd embodiment, thickness on optical axis for first lens 310 is CT1,
Thickness on optical axis for second lens 320 is CT2, and thickness on optical axis for the 3rd lens 330 is CT3,
Thickness on optical axis for 4th lens 340 is CT4, and thickness on optical axis for the 6th lens 360 is CT6,
It meets following condition: CT1 < CT2；CT1<CT3；CT1<CT4；And CT1 < CT6.
In the optical lens of the 3rd embodiment, the focal length of the first lens 310 is f1, Jiao of the second lens 320
Away from for f2, the focal length of the 3rd lens 330 is f3, and the focal length of the 4th lens 340 is f4, the 5th lens 350
Focal length be f5, the focal length of the 6th lens 360 is f6, and it meets following condition: | f5 | < | f1 |；|f5|<|f2|；
|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.
<the 4th embodiment>
Refer to Fig. 7 and Fig. 8, wherein Fig. 7 illustrates a kind of image-taking device according to fourth embodiment of the invention
Schematic diagram, Fig. 8 be sequentially from left to right the spherical aberration of the 4th embodiment, astigmatism and distort curve map.By scheming
7 understand, the image-taking device of the 4th embodiment comprises optical lens (not another label) and sense electronics optical element
490.The 400th, optical lens is sequentially comprised the first lens the 410th, the second lens the 420th, aperture by thing side to image side
3rd lens the 430th, the 4th lens the 440th, the 5th lens the 450th, the 6th lens the 460th, infrared ray filters optical filtering
Element 470 and imaging surface 480, and sense electronics optical element 490 is arranged at the imaging surface 480 of optical lens,
The lens wherein in optical lens with refracting power are six (410-460), and wantonly two adjacent have refracting power
Lens between all there is a spacing distance.
First lens 410 have negative refracting power, and are plastic cement material, at its thing side surface 411 dipped beam axle are
Convex surface, is concave surface at its image side surface 412 dipped beam axle, and is all aspherical.
Second lens 420 have positive refracting power, and are plastic cement material, at its thing side surface 421 dipped beam axle are
Convex surface, is concave surface at its image side surface 422 dipped beam axle, and is all aspherical.
3rd lens 430 have positive refracting power, and are plastic cement material, at its thing side surface 431 dipped beam axle are
Convex surface, is convex surface at its image side surface 432 dipped beam axle, and is all aspherical.
4th lens 440 have positive refracting power, and are plastic cement material, at its thing side surface 441 dipped beam axle are
Convex surface, is convex surface at its image side surface 442 dipped beam axle, and is all aspherical.In addition, the 4th lens thing side
The off-axis place in surface 441 comprises at least one concave surface.
5th lens 450 have negative refracting power, and are plastic cement material, at its thing side surface 451 dipped beam axle are
Concave surface, is concave surface at its image side surface 452 dipped beam axle, and is all aspherical.In addition, the 5th lens image side
The off-axis place in surface 452 comprises at least one convex surface.
6th lens 460 have positive refracting power, and are plastic cement material, at its thing side surface 461 dipped beam axle are
Convex surface, is concave surface at its image side surface 462 dipped beam axle, and is all aspherical.In addition, the 6th lens image side
The off-axis place in surface 462 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 470, and it is arranged at the 6th lens 460 and imaging surface
Between 480 and do not affect the focal length of optical lens.
Coordinate again with reference to following table seven and table eight.
In 4th embodiment, aspheric fitting equation represents the form such as first embodiment.Under additionally,
The definition of table parameter is all identical with first embodiment, and not in this to go forth.
Cooperation table seven and table eight can extrapolate following data:
In addition, in the optical lens of the 4th embodiment, thickness on optical axis for first lens 410 is CT1,
Thickness on optical axis for second lens 420 is CT2, and thickness on optical axis for the 3rd lens 430 is CT3,
Thickness on optical axis for 4th lens 440 is CT4, and thickness on optical axis for the 6th lens 460 is CT6,
It meets following condition: CT1 < CT2；CT1<CT3；CT1<CT4；And CT1 < CT6.
In the optical lens of the 4th embodiment, the focal length of the first lens 410 is f1, Jiao of the second lens 420
Away from for f2, the focal length of the 3rd lens 430 is f3, and the focal length of the 4th lens 440 is f4, the 5th lens 450
Focal length be f5, the focal length of the 6th lens 460 is f6, and it meets following condition: | f5 | < | f1 |；|f5|<|f2|；
|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.
<the 5th embodiment>
Refer to Fig. 9 and Figure 10, wherein Fig. 9 illustrates a kind of capture dress according to fifth embodiment of the invention
The schematic diagram put, Figure 10 is sequentially the spherical aberration of the 5th embodiment, astigmatism from left to right and distorts curve map.
As shown in Figure 9, the image-taking device of the 5th embodiment comprises optical lens (not another label) and the photosensitive unit of electronics
Part 590.Optical lens is sequentially comprised the first lens the 510th, the second lens the 520th, aperture by thing side to image side
500th, the 3rd lens the 530th, the 4th lens the 540th, the 5th lens the 550th, the 6th lens the 560th, infrared ray filter
Except filter element 570 and imaging surface 580, and sense electronics optical element 590 is arranged at the imaging of optical lens
Face 580, the lens wherein in optical lens with refracting power are six (510-560), and wantonly two adjacent tools
Have between the lens of refracting power and all there is a spacing distance.
First lens 510 have negative refracting power, and are plastic cement material, at its thing side surface 511 dipped beam axle are
Convex surface, is concave surface at its image side surface 512 dipped beam axle, and is all aspherical.
Second lens 520 have positive refracting power, and are plastic cement material, at its thing side surface 521 dipped beam axle are
Convex surface, is concave surface at its image side surface 522 dipped beam axle, and is all aspherical.
3rd lens 530 have positive refracting power, and are plastic cement material, at its thing side surface 531 dipped beam axle are
Convex surface, is convex surface at its image side surface 532 dipped beam axle, and is all aspherical.
4th lens 540 have positive refracting power, and are plastic cement material, at its thing side surface 541 dipped beam axle are
Convex surface, is convex surface at its image side surface 542 dipped beam axle, and is all aspherical.In addition, the 4th lens thing side
The off-axis place in surface 541 comprises at least one concave surface.
5th lens 550 have negative refracting power, and are plastic cement material, at its thing side surface 551 dipped beam axle are
Concave surface, is concave surface at its image side surface 552 dipped beam axle, and is all aspherical.In addition, the 5th lens image side
The off-axis place in surface 552 comprises at least one convex surface.
6th lens 560 have positive refracting power, and are plastic cement material, at its thing side surface 561 dipped beam axle are
Convex surface, is concave surface at its image side surface 562 dipped beam axle, and is all aspherical.In addition, the 6th lens image side
The off-axis place in surface 562 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 570, and it is arranged at the 6th lens 560 and imaging surface
Between 580 and do not affect the focal length of optical lens.
Coordinate again with reference to following table nine and table ten.
In 5th embodiment, aspheric fitting equation represents the form such as first embodiment.Under additionally,
The definition of table parameter is all identical with first embodiment, and not in this to go forth.
Cooperation table nine and table ten can extrapolate following data:
In addition, in the optical lens of the 5th embodiment, thickness on optical axis for first lens 510 is CT1,
Thickness on optical axis for second lens 520 is CT2, and thickness on optical axis for the 3rd lens 530 is CT3,
Thickness on optical axis for 4th lens 540 is CT4, and thickness on optical axis for the 6th lens 560 is CT6,
It meets following condition: CT1 < CT2；CT1<CT3；CT1<CT4；And CT1 < CT6.
In the optical lens of the 5th embodiment, the focal length of the first lens 510 is f1, Jiao of the second lens 520
Away from for f2, the focal length of the 3rd lens 530 is f3, and the focal length of the 4th lens 540 is f4, the 5th lens 550
Focal length be f5, the focal length of the 6th lens 560 is f6, and it meets following condition: | f5 | < | f1 |；|f5|<|f2|；
|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.
<sixth embodiment>
Refer to Figure 11 and Figure 12, wherein Figure 11 illustrates a kind of capture according to sixth embodiment of the invention
The schematic diagram of device, Figure 12 is sequentially the spherical aberration of sixth embodiment, astigmatism from left to right and distorts curve map.
As shown in Figure 11, the image-taking device of sixth embodiment comprises optical lens (not another label) and electronics is photosensitive
Element 690.Optical lens is sequentially comprised the first lens the 610th, the second lens the 620th, light by thing side to image side
Circle the 600th, the 3rd lens the 630th, the 4th lens the 640th, the 5th lens the 650th, the 6th lens the 660th, infrared ray
Filter filter element 670 and imaging surface 680, and sense electronics optical element 690 is arranged at the one-tenth of optical lens
Image planes 680, the lens wherein in optical lens with refracting power are six (610-660), and wantonly two adjacent
Have between the lens of refracting power and all there is a spacing distance.
First lens 610 have negative refracting power, and are plastic cement material, at its thing side surface 611 dipped beam axle are
Convex surface, is concave surface at its image side surface 612 dipped beam axle, and is all aspherical.
Second lens 620 have positive refracting power, and are plastic cement material, at its thing side surface 621 dipped beam axle are
Convex surface, is concave surface at its image side surface 622 dipped beam axle, and is all aspherical.
3rd lens 630 have positive refracting power, and are plastic cement material, at its thing side surface 631 dipped beam axle are
Concave surface, is convex surface at its image side surface 632 dipped beam axle, and is all aspherical.
4th lens 640 have positive refracting power, and are plastic cement material, at its thing side surface 641 dipped beam axle are
Convex surface, is convex surface at its image side surface 642 dipped beam axle, and is all aspherical.In addition, the 4th lens thing side
The off-axis place in surface 641 comprises at least one concave surface.
5th lens 650 have negative refracting power, and are plastic cement material, at its thing side surface 651 dipped beam axle are
Concave surface, is concave surface at its image side surface 652 dipped beam axle, and is all aspherical.In addition, the 5th lens image side
The off-axis place in surface 652 comprises at least one convex surface.
6th lens 660 have positive refracting power, and are plastic cement material, at its thing side surface 661 dipped beam axle are
Convex surface, is concave surface at its image side surface 662 dipped beam axle, and is all aspherical.In addition, the 6th lens image side
The off-axis place in surface 662 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 670, and it is arranged at the 6th lens 660 and imaging surface
Between 680 and do not affect the focal length of optical lens.
Coordinate again with reference to following table 11 and table 12.
In sixth embodiment, aspheric fitting equation represents the form such as first embodiment.Under additionally,
The definition of table parameter is all identical with first embodiment, and not in this to go forth.
Cooperation table 11 and table 12 can extrapolate following data:
In addition, in the optical lens of sixth embodiment, thickness on optical axis for first lens 610 is CT1,
Thickness on optical axis for second lens 620 is CT2, and thickness on optical axis for the 3rd lens 630 is CT3,
Thickness on optical axis for 4th lens 640 is CT4, and thickness on optical axis for the 6th lens 660 is CT6,
It meets following condition: CT1 < CT2；CT1<CT3；CT1<CT4；And CT1 < CT6.
In the optical lens of sixth embodiment, the focal length of the first lens 610 is f1, Jiao of the second lens 620
Away from for f2, the focal length of the 3rd lens 630 is f3, and the focal length of the 4th lens 640 is f4, the 5th lens 650
Focal length be f5, the focal length of the 6th lens 660 is f6, and it meets following condition: | f5 | < | f1 |；|f5|<|f2|；
|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.
<the 7th embodiment>
Refer to Figure 13 and Figure 14, wherein Figure 13 illustrates a kind of capture according to seventh embodiment of the invention
The schematic diagram of device, Figure 14 is sequentially the spherical aberration of the 7th embodiment, astigmatism from left to right and distorts curve map.
As shown in Figure 13, the image-taking device of the 7th embodiment comprises optical lens (not another label) and electronics is photosensitive
Element 790.Optical lens is sequentially comprised the first lens the 710th, the second lens the 720th, light by thing side to image side
Circle the 700th, the 3rd lens the 730th, the 4th lens the 740th, the 5th lens the 750th, the 6th lens the 760th, infrared ray
Filter filter element 770 and imaging surface 780, and sense electronics optical element 790 is arranged at the one-tenth of optical lens
Image planes 780, the lens wherein in optical lens with refracting power are six (710-760), and wantonly two adjacent
Have between the lens of refracting power and all there is a spacing distance.
First lens 710 have negative refracting power, and are plastic cement material, at its thing side surface 711 dipped beam axle are
Convex surface, is concave surface at its image side surface 712 dipped beam axle, and is all aspherical.
Second lens 720 have positive refracting power, and are plastic cement material, at its thing side surface 721 dipped beam axle are
Convex surface, is concave surface at its image side surface 722 dipped beam axle, and is all aspherical.
3rd lens 730 have positive refracting power, and are plastic cement material, at its thing side surface 731 dipped beam axle are
Concave surface, is convex surface at its image side surface 732 dipped beam axle, and is all aspherical.
4th lens 740 have positive refracting power, and are plastic cement material, at its thing side surface 741 dipped beam axle are
Convex surface, is convex surface at its image side surface 742 dipped beam axle, and is all aspherical.In addition, the 4th lens thing side
The off-axis place in surface 741 comprises at least one concave surface.
5th lens 750 have negative refracting power, and are plastic cement material, at its thing side surface 751 dipped beam axle are
Concave surface, is concave surface at its image side surface 752 dipped beam axle, and is all aspherical.In addition, the 5th lens image side
The off-axis place in surface 752 comprises at least one convex surface.
6th lens 760 have positive refracting power, and are plastic cement material, at its thing side surface 761 dipped beam axle are
Convex surface, is concave surface at its image side surface 762 dipped beam axle, and is all aspherical.In addition, the 6th lens image side
The off-axis place in surface 762 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 770, and it is arranged at the 6th lens 760 and imaging surface
Between 780 and do not affect the focal length of optical lens.
Coordinate again with reference to following table 13 and table 14.
In 7th embodiment, aspheric fitting equation represents the form such as first embodiment.Under additionally,
The definition of table parameter is all identical with first embodiment, and not in this to go forth.
Cooperation table 13 and table 14 can extrapolate following data:
In addition, in the optical lens of the 7th embodiment, the focal length of the first lens 710 is f1, the second lens
The focal length of 720 is f2, and the focal length of the 3rd lens 730 is f3, and the focal length of the 4th lens 740 is f4, the 5th
The focal length of lens 750 is f5, and the focal length of the 6th lens 760 is f6, and it meets following condition: | f5 | < | f1 |；
|f5|<|f2|；|f5|<|f3|；|f5|<|f4|；And | f5 | < | f6 |.
<the 8th embodiment>
Refer to Figure 16, be the schematic diagram illustrating a kind of electronic installation 10 according to eighth embodiment of the invention.
The electronic installation 10 of the 8th embodiment is a smart mobile phone, and electronic installation 10 comprises image-taking device 11, takes
Comprise the optical lens (figure does not discloses) according to the present invention as device 11 and sense electronics optical element (is schemed not
Disclose), wherein sense electronics optical element is arranged at the imaging surface of optical lens.
<the 9th embodiment>
Refer to Figure 17, be the schematic diagram illustrating a kind of electronic installation 20 according to ninth embodiment of the invention.
The electronic installation 20 of the 9th embodiment is a tablet PC, and electronic installation 20 comprises image-taking device 21,
Image-taking device 21 comprises optical lens (figure does not discloses) and sense electronics optical element (figure according to the present invention
Do not disclose), wherein sense electronics optical element is arranged at the imaging surface of optical lens.
<the tenth embodiment>
Refer to Figure 18, be the schematic diagram illustrating a kind of electronic installation 30 according to tenth embodiment of the invention.
The electronic installation 30 of the tenth embodiment is a head mounted display (Head-mounted display, HMD),
Electronic installation 30 comprises image-taking device 31, and image-taking device 31 comprises the optical lens (figure according to the present invention
Do not disclose) and sense electronics optical element (figure does not discloses), wherein sense electronics optical element is arranged at optical lens
Imaging surface.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any familiar
This those skilled in the art, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations, therefore
Protection scope of the present invention ought be defined in the range of standard depending on appending claims.
Claims (26)
1. an optical lens, it is characterised in that sequentially comprised to image side by thing side:
One first lens, have negative refracting power, are concave surface at its image side surface dipped beam axle；
One second lens, have refracting power；
One the 3rd lens, have positive refracting power；
One the 4th lens, have positive refracting power, are convex surface at its image side surface dipped beam axle, its thing side surface and
Image side surface is all aspherical；
One the 5th lens, have negative refracting power, are concave surface at its image side surface dipped beam axle, its image side surface from
Comprising at least one convex surface at axle, its thing side surface and image side surface are all aspherical；And
One the 6th lens, have refracting power, are concave surface at its image side surface dipped beam axle, and its image side surface is off-axis
Place comprises at least one convex surface, and its thing side surface and image side surface are all aspherical；
Wherein, the lens in this optical lens with refracting power are six, and wantonly two adjacent have refracting power
Lens between all there is a spacing distance, the focal length of this first lens is f1, and the focal length of this second lens is
F2, this first lens and this second lens spacing distance on optical axis are T12, this second lens with this
Spacing distance on optical axis for three lens is T23, and it meets following condition:
-0.20<|f1|/f2<1.50；And
1.0<T12/T23。
2. optical lens according to claim 1, it is characterised in that the 6th lens have just in the wrong
Folding power, is convex surface at its thing side surface dipped beam axle.
3. optical lens according to claim 2, it is characterised in that in this optical lens, maximum regards
The half at angle is HFOV, and distance on optical axis for this first lens thing side surface a to imaging surface is TL,
It meets following condition:
1.30<tan(HFOV)；And
TL/sin(HFOV×1.6)<7.0mm。
4. optical lens according to claim 1, it is characterised in that this second lens have just in the wrong
Folding power, is convex surface at its thing side surface dipped beam axle, is concave surface at its image side surface dipped beam axle.
5. optical lens according to claim 4, it is characterised in that this first lens with this second
Spacing distance on optical axis for the lens is T12, the 3rd lens and spacer on optical axis for the 4th lens
From for T34, the 4th lens and spacing distance on optical axis for the 5th lens are T45, the 5th lens
Being T56 with spacing distance on optical axis for the 6th lens, it meets following condition:
1.25<T12/(T34+T45+T56)<4.0。
6. optical lens according to claim 4, it is characterised in that the 4th lens thing side surface
Being convex surface at dipped beam axle, its off-axis place of thing side surface comprises at least one concave surface.
7. optical lens according to claim 4, it is characterised in that the focal length of this first lens is
F1, the focal length of this second lens is f2, and it meets following condition:
-0.20<|f1|/f2<1.0。
8. optical lens according to claim 1, it is characterised in that this first lens are on optical axis
Thickness be CT1, this second lens thickness on optical axis is CT2, thickness on optical axis for the 3rd lens
Degree is CT3, and thickness on optical axis for the 4th lens is CT4, and thickness on optical axis for the 6th lens is
CT6, it meets following condition:
CT1<CT2；
CT1<CT3；
CT1<CT4；And
CT1<CT6。
9. optical lens according to claim 1, it is characterised in that this first lens with this second
Spacing distance on optical axis for the lens is T12, this second lens and spacer on optical axis for the 3rd lens
From for T23, it meets following condition:
1.40<T12/T23。
10. optical lens according to claim 1, it is characterised in that the focal length of this optical lens is
F, the radius of curvature of the 6th lens thing side surface is R11, and it meets following condition:
0<R11/f<1.40。
11. optical lens according to claim 1, it is characterised in that the focal length of the 4th lens is
F4, the focal length of the 6th lens is f6, and it meets following condition:
0<f6/f4<4.0。
12. optical lens according to claim 1, it is characterised in that the 5th lens are on optical axis
Thickness be CT5, intersection point on optical axis for the 5th lens image side surface is to the 5th lens image side surface
Maximum effective radius position is Sag52 in the horizontal displacement of optical axis, and it meets following condition:
4.0<CT5/|Sag52|。
13. optical lens according to claim 1, it is characterised in that the refractive index of this first lens
For N1, the refractive index of this second lens is N2, and the refractive index of the 3rd lens is N3, the 4th lens
Refractive index be N4, the refractive index of the 5th lens is N5, and the refractive index of the 6th lens is N6, its
In middle N1, N2, N3, N4, N5 and N6, the maximum is Nmax, and it meets following condition:
1.60<Nmax<1.70。
14. 1 kinds of image-taking devices, it is characterised in that comprise:
Optical lens as claimed in claim 1；And
One sense electronics optical element, it is arranged at an imaging surface of this optical lens.
15. 1 kinds of electronic installations, it is characterised in that comprise:
Image-taking device as claimed in claim 14.
16. 1 kinds of optical lens, it is characterised in that sequentially comprised to image side by thing side:
One first lens, have negative refracting power, are concave surface at its image side surface dipped beam axle；
One second lens, have refracting power；
One the 3rd lens, have positive refracting power；
One the 4th lens, have positive refracting power, are convex surface at its image side surface dipped beam axle, its thing side surface and
Image side surface is all aspherical；
One the 5th lens, have negative refracting power, are concave surface at its image side surface dipped beam axle, its thing side surface and
Image side surface is all aspherical；And
One the 6th lens, have positive refracting power, are convex surface at its thing side surface dipped beam axle, and its image side surface is near
Being concave surface at optical axis, its off-axis place in image side surface comprises at least one convex surface, and its thing side surface and image side surface are all
For aspherical；
Wherein, the lens in this optical lens with refracting power are six, and wantonly two adjacent have refracting power
Lens between all there is a spacing distance, the focal length of this first lens is f1, and the focal length of this second lens is
F2, the focal length of the 4th lens is f4, and the focal length of the 6th lens is f6, and it meets following condition:
-1.50<|f1|/f2<4.0；And
0<f6/f4<4.0。
17. optical lens according to claim 16, it is characterised in that the 5th lens are in optical axis
On thickness be CT5, intersection point on optical axis for the 5th lens image side surface is to the 5th lens image side surface
Maximum effective radius position be Sag52 in the horizontal displacement of optical axis, it meets following condition:
4.0<CT5/|Sag52|。
18. optical lens according to claim 16, it is characterised in that this second lens just have
Refracting power, is convex surface at its thing side surface dipped beam axle, is concave surface at its image side surface dipped beam axle.
19. optical lens according to claim 16, it is characterised in that this first lens with this
Spacing distance on optical axis for two lens is T12, the 3rd lens and interval on optical axis for the 4th lens
Distance is T34, and the 4th lens and spacing distance on optical axis for the 5th lens are T45, and the 5th is saturating
Mirror and spacing distance on optical axis for the 6th lens are T56, and it meets following condition:
1.25<T12/(T34+T45+T56)<4.0。
20. optical lens according to claim 16, it is characterised in that maximum in this optical lens
The half at visual angle is HFOV, and distance on optical axis for this first lens thing side surface a to imaging surface is TL,
It meets following condition:
1.30<tan(HFOV)；And
TL/sin(HFOV×1.6)<7.0mm。
21. optical lens according to claim 16, it is characterised in that the focal length of this first lens
For f1, the focal length of this second lens is f2, and the focal length of the 3rd lens is f3, the focal length of the 4th lens
For f4, the focal length of the 5th lens is f5, and the focal length of the 6th lens is f6, and it meets following condition:
|f5|<|f1|；
|f5|<|f2|；
|f5|<|f3|；
|f5|<|f4|；And
|f5|<|f6|。
22. optical lens according to claim 16, it is characterised in that the focal length of this optical lens
For f, the radius of curvature of the 6th lens thing side surface is R11, and it meets following condition:
0<R11/f<1.0。
23. optical lens according to claim 16, it is characterised in that the refraction of this first lens
Rate is N1, and the refractive index of this second lens is N2, and the refractive index of the 3rd lens is N3, and the 4th is saturating
The refractive index of mirror is N4, and the refractive index of the 5th lens is N5, and the refractive index of the 6th lens is N6,
Wherein in N1, N2, N3, N4, N5 and N6, the maximum is Nmax, and it meets following condition:
1.60<Nmax<1.70。
24. optical lens according to claim 16, it is characterised in that the focal length of this first lens
For f1, the focal length of this second lens is f2, and it meets following condition:
-0.70<|f1|/f2<1.80。
25. 1 kinds of image-taking devices, it is characterised in that comprise:
Optical lens as claimed in claim 16；And
One sense electronics optical element, it is arranged at an imaging surface of this optical lens.
26. 1 kinds of electronic installations, it is characterised in that comprise:
According to the image-taking device as described in claim 25.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510153031.5A CN106154487B (en) | 2015-04-02 | 2015-04-02 | Optical lens, image-taking device and electronic device |
| CN201910133545.2A CN109633869B (en) | 2015-04-02 | 2015-04-02 | Optical lens, image capturing device and electronic device |
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| CN106154487A true CN106154487A (en) | 2016-11-23 |
| CN106154487B CN106154487B (en) | 2019-03-22 |
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| CN201510153031.5A Active CN106154487B (en) | 2015-04-02 | 2015-04-02 | Optical lens, image-taking device and electronic device |
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| CN201910133545.2A Active CN109633869B (en) | 2015-04-02 | 2015-04-02 | Optical lens, image capturing device and electronic device |
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| CN109001886A (en) * | 2017-06-06 | 2018-12-14 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN109212725A (en) * | 2018-11-09 | 2019-01-15 | 歌尔股份有限公司 | A kind of wide-angle lens |
| CN109425953A (en) * | 2017-08-22 | 2019-03-05 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| WO2021128261A1 (en) * | 2019-12-27 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Image-capture optical lens |
| WO2021128271A1 (en) * | 2019-12-27 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| WO2021128270A1 (en) * | 2019-12-27 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Image-capture optical lens |
| CN113866940A (en) * | 2021-09-14 | 2021-12-31 | 江西晶超光学有限公司 | Optical system, camera module and electronic equipment |
| CN114185157A (en) * | 2022-02-14 | 2022-03-15 | 江西联益光学有限公司 | Optical lens |
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| CN109001886A (en) * | 2017-06-06 | 2018-12-14 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN109001886B (en) * | 2017-06-06 | 2021-09-10 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN109425953A (en) * | 2017-08-22 | 2019-03-05 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
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| WO2021128261A1 (en) * | 2019-12-27 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Image-capture optical lens |
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| WO2021128270A1 (en) * | 2019-12-27 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Image-capture optical lens |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109633869B (en) | 2021-08-20 |
| CN106154487B (en) | 2019-03-22 |
| CN109633869A (en) | 2019-04-16 |
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