CN105988200A - Imaging system, image-taking device and electronic device - Google Patents
Imaging system, image-taking device and electronic device Download PDFInfo
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- CN105988200A CN105988200A CN201510091796.0A CN201510091796A CN105988200A CN 105988200 A CN105988200 A CN 105988200A CN 201510091796 A CN201510091796 A CN 201510091796A CN 105988200 A CN105988200 A CN 105988200A
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Abstract
The invention discloses an imaging system, an image-taking device and an electronic device. The imaging system sequentially comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens from an object side to an image side. The first lens with positive refractive power has an object-side surface being a convex surface in a paraxial region. The second lens with negative refractive power has an image-side surface being a concave surface in a paraxial region. The third lens has refractive power. The fourth lens with refractive power has an image-side surface being a concave surface in a paraxial region and comprises at least one convex surface in an off-axis region, and an object-side surface and the image-side surface of the fourth lens are both aspheric. The fifth lens with refractive power has an object-side surface being a convex surface in a paraxial region and an image-side surface being a concave surface in a paraxial region, and comprises at least one convex surface in an off-axis region; and the object-side surface and the image-side surface of the fifth lens are both aspheric. When a specific condition is met, the collision between the lenses during assembly can be effectively avoided. The invention further discloses the image-taking device comprising the imaging system, and the electronic device comprising the image-taking device.
Description
Technical field
The present invention relates to a kind of imaging system and image-taking device, and apply on the electronic device particularly to one
Miniaturization imaging system and image-taking device.
Background technology
In recent years, along with the rise of the portable electronic product with camera function, the demand day of optical system
Gradually improve.The photo-sensitive cell of general optical system is nothing more than being photosensitive coupling element (Charge Coupled
Device, CCD) or Complimentary Metal-Oxide semiconductor element (Complementary Metal-Oxide
Semiconductor Sensor, CMOS Sensor) two kinds, and progressing greatly along with semiconductor process technique, make
The Pixel Dimensions obtaining photo-sensitive cell reduces, and optical system gradually develops toward high pixel neighborhoods, therefore to imaging product
The requirement of matter increases the most day by day.
Tradition is equipped on the optical system on electronic installation, and many employing quadruple lenses structures are main, its eyeglass
Shape configuration often results in the periphery relative illumination of short overall length optical system and reduces, and it is bad to produce eyeglass molding
Problem, so that known optical system will be unable to meet the photography demand of higher order.
The most traditional five chip optical systems although making further progress at present, but the change of its lens thickness is excessive
And there is the bad situation of molding, make sensitivity too high also due to eyeglass refracting power is too strong, so that ray angles
Degree change is too big and causes the problems such as face reflection.
Summary of the invention
It is an object of the invention to provide a kind of imaging system, image-taking device and electronic installation, it is averagely joined
Put the 4th lens and the 5th lens in paraxial place to the off-axis thickness located, to improve the lens thickness excessive band of change
Come the problem that molding is bad, and the beneficially the 3rd lens, the 4th lens and the configuration of the 5th lens, and reduce
The probability of collision between eyeglass during assembling.Furthermore, present invention can ensure that the 3rd lens are less in paraxial place tool
Refracting power, the problem solving image center over-correction, and contribute to taking between achromatism and higher order aberratons
Must balance.
There is provided a kind of imaging system according to the present invention, thing side to image side sequentially comprise the first lens, second saturating
Mirror, the 3rd lens, the 4th lens and the 5th lens.First lens have positive refracting power, its thing side surface
Paraxial place is convex surface.Second lens have negative refracting power, and its paraxial place, surface, image side is concave surface.3rd lens
There is refracting power.4th lens have refracting power, its paraxial place, surface, image side is concave surface and off-axis place comprise to
A few convex surface, its thing side surface and surface, image side are all aspheric surface.5th lens have refracting power, its thing side
Paraxial place, surface is convex surface, and its paraxial place, surface, image side is concave surface and off-axis place comprises at least one convex surface, its thing
Side surface and surface, image side are all aspheric surface.The lens in imaging system with refracting power are five, appoint two-phase
Neighbour has between the lens of refracting power and has a air gap, and the 4th lens thickness on optical axis is CT4, and
Three lens and the 4th lens spacing distance on optical axis are T34, and the 4th lens and the 5th lens are on optical axis
Spacing distance be T45, the focal length of imaging system is f, and the radius of curvature of the 3rd lens thing side surface is R5,
The radius of curvature of the 3rd surface, lens image side is R6, and the abbe number of the second lens is V2, the 3rd lens
Abbe number is V3, and the abbe number of the 4th lens is V4, and it meets following condition:
CT4/T34<1.20；
CT4/T45<1.60；
|f/R5|+|f/R6|<1.10；And
1.75<(V2+V4)/V3。
Separately provide a kind of image-taking device according to the present invention, comprise imaging system as in the previous paragraph and sense electronics
Optical element, wherein sense electronics optical element is arranged at the imaging surface of imaging system.
Reoffer a kind of electronic installation according to the present invention, comprise image-taking device as in the previous paragraph.
When CT4/T34 meets above-mentioned condition, the beneficially the 3rd lens and the configuration of the 4th lens, with fall
The probability of collision between eyeglass during low assembling.
When CT4/T45 meets above-mentioned condition, the beneficially the 4th lens and the configuration of the 5th lens, with fall
The probability of collision between eyeglass during low assembling.
When | f/R5 |+| f/R6 | meets above-mentioned condition, it can be ensured that the 3rd lens have less flexion in paraxial place
Power, with the problem solving image center over-correction.
When (V2+V4)/V3 meets above-mentioned condition, contribute to obtaining between achromatism and higher order aberratons putting down
Weighing apparatus.
Accompanying drawing explanation
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 chart；
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 chart；
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 chart；
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 chart；
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 chart；
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 chart；
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 chart；
Figure 15 illustrates the schematic diagram of a kind of image-taking device according to eighth embodiment of the invention；
Figure 16 is sequentially the spherical aberration of the 8th embodiment, astigmatism from left to right and distorts curve chart；
Figure 17 illustrates the schematic diagram of a kind of image-taking device according to ninth embodiment of the invention；
Figure 18 is sequentially the spherical aberration of the 9th embodiment, astigmatism from left to right and distorts curve chart；
Figure 19 illustrates the schematic diagram of a kind of image-taking device according to tenth embodiment of the invention；
Figure 20 is sequentially the spherical aberration of the tenth embodiment, astigmatism from left to right and distorts curve chart；
Figure 21 illustrates the schematic diagram of a kind of electronic installation according to eleventh embodiment of the invention；
Figure 22 illustrates the schematic diagram of a kind of electronic installation according to twelveth embodiment of the invention；And
Figure 23 illustrates the schematic diagram of a kind of electronic installation according to thriteenth embodiment of the invention.
[symbol description]
Electronic installation: 10,20,30
Image-taking device: 11,21,31
Aperture: 100,200,300,400,500,600,700,800,900,1000
First lens: 110,210,310,410,510,610,710,810,910,1010
Thing side surface: 111,211,311,411,511,611,711,811,911,1011
Surface, image side: 112,212,312,412,512,612,712,812,912,1012
Second lens: 120,220,320,420,520,620,720,820,920,1020
Thing side surface: 121,221,321,421,521,621,721,821,921,1021
Surface, image side: 122,222,322,422,522,622,722,822,922,1022
3rd lens: 130,230,330,430,530,630,730,830,930,1030
Thing side surface: 131,231,331,431,531,631,731,831,931,1031
Surface, image side: 132,232,332,432,532,632,732,832,932,1032
4th lens: 140,240,340,440,540,640,740,840,940,1040
Thing side surface: 141,241,341,441,541,641,741,841,941,1041
Surface, image side: 142,242,342,442,542,642,742,842,942,1042
5th lens: 150,250,350,450,550,650,750,850,950,1050
Thing side surface: 151,251,351,451,551,651,751,851,951,1051
Surface, image side: 152,252,352,452,552,652,752,852,952,1052
Infrared ray filters filter element: 160,260,360,460,560,660,760,860,960,
1060
Imaging surface: 170,270,370,470,570,670,770,870,970,1070
Sense electronics optical element: 180,280,380,480,580,680,780,880,980,1080
The focal length of f: imaging system
The f-number of Fno: imaging system
The half at the maximum visual angle of HFOV: imaging system
The abbe number of the V2: the second lens
The abbe number of the V3: the three lens
The abbe number of the V4: the four lens
CT1: the first lens thickness on optical axis
CT2: the second lens thickness on optical axis
CT3: the three lens thickness on optical axis
CT4: the four lens thickness on optical axis
CT5: the five lens thickness on optical axis
T12: the first lens and second lens spacing distance on optical axis
T23: the second lens and the 3rd lens spacing distance on optical axis
T34: the three lens and the 4th lens spacing distance on optical axis
T45: the four lens and the 5th lens spacing distance on optical axis
Each two-phase in Σ the AT: the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens
Adjacent lens summation of spacing distance on optical axis
TL: the first lens thing side surface is to imaging surface distance on optical axis
The radius of curvature of the R5: the three lens thing side surface
The radius of curvature of the R6: the three surface, lens image side
The radius of curvature of the R7: the four lens thing side surface
The radius of curvature of the R8: the four surface, lens image side
The radius of curvature of the R9: the five lens thing side surface
The radius of curvature of the R10: the five surface, lens image side
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
Detailed description of the invention
There is provided a kind of imaging system according to the present invention, thing side to image side sequentially comprise the first lens, second saturating
Mirror, the 3rd lens, the 4th lens and the 5th lens, wherein having refracting power lens in imaging system is five
Sheet.
First lens of imaging system described in leading portion, the second lens, the 3rd lens, the 4th lens and the 5th
In lens, between the wantonly two adjacent lens with refracting power, there is a air gap；It is to say, imaging system
There are five single unbonded lens.Owing to the processing procedure relatively non-adhering lens of cemented lens are complicated, exist especially
The adhesive surface of two lens need to have the curved surface of high accuracy, in order to reaches high adaptation during two lens bondings, and
During bonding, it is also possible to cause adaptation the best because of off normal, the overall optical imagery quality of impact.
Therefore, in imaging system of the present invention, between the wantonly two adjacent lens with refracting power, there is a air gap, can
It is effectively improved problem produced by cemented lens.
First lens have positive refracting power, and its paraxial place of thing side surface is convex surface, and its paraxial place, surface, image side can
For concave surface.Whereby, can suitably adjust the positive refracting power intensity of the first lens, contribute to shortening imaging system
Total length.
Second lens have negative refracting power, and its paraxial place, surface, image side is concave surface.Whereby, can effectively be modified to
Aberration as system.
3rd lens can have positive refracting power.Whereby, it is possible to decrease the sensitivity of imaging system.
The 4th paraxial place of lens thing side surface can be convex surface, and its paraxial place, surface, image side is concave surface and locates bag off axis
Containing at least one convex surface.Whereby, average 4th lens in paraxial place to the thickness at off-axis place, to improve mirror
Sheet thickness changes the excessive problem bringing molding bad.
The 5th paraxial place of lens thing side surface is convex surface, and its paraxial place, surface, image side is concave surface and off-axis place comprises
At least one convex surface.Whereby, average 5th lens in paraxial place to the thickness at off-axis place, to improve eyeglass
Thickness changes the excessive problem bringing molding bad.
4th lens thickness on optical axis is CT4, the 3rd lens and the 4th lens spacer on optical axis
From for T34, it meets following condition: CT4/T34 < 1.20.Whereby, the beneficially the 3rd lens and the 4th
The configuration of lens, the probability of collision between eyeglass during to reduce assembling.It is preferred that following condition can be met:
CT4/T34<1.0。
4th lens thickness on optical axis is CT4, the 4th lens and the 5th lens spacer on optical axis
From for T45, it meets following condition: CT4/T45 < 1.60.Whereby, the beneficially the 4th lens and the 5th
The configuration of lens, the probability of collision between eyeglass during to reduce assembling.It is preferred that following condition can be met:
CT4/T45<1.48.More preferably, following condition: CT4/T45 < 1.25 can be met.
The focal length of imaging system is f, and the radius of curvature of the 3rd lens thing side surface is R5, the 3rd lens image side
The radius of curvature on surface is R6, and it meets following condition: | f/R5 |+| f/R6 | < 1.10.Whereby, it can be ensured that
3rd lens have less refracting power in paraxial place, with the problem solving image center over-correction.It is preferred that
Following condition: | f/R5 |+| f/R6 | < 0.75 can be met.
The abbe number of the second lens is V2, and the abbe number of the 3rd lens is V3, the dispersion of the 4th lens
Coefficient is V4, and it meets following condition: 1.75 < (V2+V4)/V3.Whereby, contribute to achromatism with
Balance is obtained between higher order aberratons.
The abbe number of the 3rd lens is V3, and it meets following condition: V3 < 30.Whereby, contribute to into
Correction as system aberration.
The radius of curvature of the 4th lens thing side surface is R7, and the focal length of imaging system is f, and it meets following bar
Part: | R7/f | < 3.0.Whereby, the aberration of imaging system can be revised and promote image quality.It is preferred that can
Meet following condition: | R7/f | < 2.3.
The f-number of imaging system is Fno, and it meets following condition: 1.6 < Fno < 2.4.Whereby, can have
Effect plays the advantage of large aperture, still can clearly capture when light is inadequate.
First lens thing side surface is TL to imaging surface distance on optical axis, and it meets following condition: TL
<6mm.Whereby, the total length of imaging system can be shortened, help its miniaturization.
The half at the maximum visual angle of imaging system is HFOV, and it meets following condition: 35 degree of < HFOV.
Whereby, the suitable angle of visual field and bigger image capturing range can be obtained.
The focal length of imaging system is f, and the focal length of the 3rd lens is f3, and the focal length of the 4th lens is f4, the 5th
The focal length of lens is f5, and it meets following condition: | f/f3 |+| f/f4 |+| f/f5 | < 0.60.Whereby, mirror can be avoided
Sheet refracting power is too strong makes sensitivity too high, so that light angle change causes the problems such as face reflection the most greatly
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 it meets following condition: | f3 | > | f1 |；|f3|>
|f2|；|f3|>|f4|；And | f3 | > | f5 |.Whereby, can the refracting power of Effective Regulation imaging system, make imaging
The configuration of system refracting power reaches equilibrium, to reduce its sensitivity.
The radius of curvature of the 4th lens thing side surface is R7, and the radius of curvature on the 4th surface, lens image side is R8,
The radius of curvature of the 5th lens thing side surface is R9, and the radius of curvature on the 5th surface, lens image side is R10,
The focal length of imaging system is f, and it meets following condition: (| R7 |+| R8 |+| R9 |+| R10 |)/f < 3.5.Whereby,
Can appropriately configured 4th lens and the shape of the 5th lens, help and improve the problem that lens molding is bad.
First lens and second lens spacing distance on optical axis are T12, the second lens and the 3rd lens in
Spacing distance on optical axis is T23, and the 3rd lens and the 4th lens spacing distance on optical axis are T34,
4th lens and the 5th lens spacing distance on optical axis are T45, the first lens, the second lens, the 3rd
In lens, the 4th lens and the 5th lens, each two adjacent lens summation of spacing distance on optical axis is
Σ AT (Σ AT=T12+T23+T34+T45), it meets following condition: 0.60 < (T34+T45)/Σ AT <
0.80.Whereby, beneficially lens assembling with improve make qualification rate.
The abbe number of the second lens is V2, and the abbe number of the 3rd lens is V3, the dispersion of the 4th lens
Coefficient is V4, and it meets following condition: V2+V3+V4 < 90.Whereby, imaging system aberration is contributed to
Correction.
First lens thickness on optical axis is CT1, and second lens thickness on optical axis is CT2, the 3rd
Lens thickness on optical axis is CT3, and the 4th lens thickness on optical axis is CT4, and the 5th lens are in light
Thickness on axle is CT5, and wherein in CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.Borrow
This, contribute to mouldability and the homogeneity of lens, manufactures qualification rate to promote.
Second lens thickness on optical axis is CT2, and the 3rd lens thickness on optical axis is CT3, the 4th
Lens thickness on optical axis is CT4, and the 5th lens thickness on optical axis is CT5, and it meets following bar
Part: (CT2+CT3+CT4)/CT5 < 1.25.Whereby, mouldability and the homogeneity of lens are contributed to.
The radius of curvature of the 4th surface, lens image side is R8, and the radius of curvature of the 5th lens thing side surface is R9,
It meets following condition: 1.20 < R8/R9.Whereby, aberration can effectively be revised.
In the imaging system 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 imaging system
The degree of freedom of refracting power configuration.Additionally, thing side surface and surface, image side in imaging system can be aspheric surface
(ASP), aspheric surface can easily be fabricated to the shape 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 imaging system of the present invention
Length.
Furthermore, in the imaging system that the present invention provides, if lens surface is convex surface and does not defines this convex surface position
Time, then it represents that this lens surface is convex surface in paraxial place；If lens surface is concave surface and does not defines this concave surface position
When putting, then it represents that this lens surface is concave surface in paraxial place.In the imaging system that the present invention provides, if lens
There is positive refracting power or negative refracting power, or the focal length of lens, all refer to refracting power or Jiao at the paraxial place of lens
Away from.
In the imaging system of the present invention, imaging surface (Image Surface) depends on the sense electronics optical element of its correspondence
Difference, can be a plane or the curved surface having arbitrary curvature, particularly relate to concave surface towards toward thing side to curved surface.
In the imaging system of the present invention, can also comprise an aperture, aperture configuration can be preposition aperture or in put light
Circle, the most preposition aperture implies that aperture is arranged between object and the first lens, in put aperture and then represent aperture
It is arranged between the first lens and imaging surface.If aperture is preposition aperture, the outgoing pupil (Exit of imaging system can be made
Pupil) longer distance is produced with imaging surface so that it is there is telecentricity (Telecentric) effect, and electricity can be increased
CCD or CMOS of sub-photo-sensitive cell receives the efficiency of image；Put aperture in if, contribute to expanding system
The angle of visual field of system, makes imaging system have the advantage of wide-angle lens.
It addition, in imaging system of the present invention, at least one diaphragm can be arranged on demand, to reduce veiling glare, has
Help promote image quality.
The more visual demand of imaging system of the present invention is applied in the optical system of mobile focusing, and has concurrently excellent
Lens error correction and the characteristic of good image quality.Also many-side 3D (three-dimensional) image capture, number can be applied to
Word camera, mobile device, tablet PC, intelligent television, network monitoring device, somatic sensation television game machine, OK
In the electronic installations such as car monitor, reversing developing unit and Wearable device.
The present invention separately provides a kind of image-taking device, comprises aforesaid imaging system and sense electronics optical element, its
Middle sense electronics optical element is arranged at the imaging surface of imaging system.In imaging system, by average 4th lens and
5th lens are in paraxial place to the thickness at off-axis place, and to improve, lens thickness change is excessive brings molding bad
Problem, and the beneficially the 3rd lens, the 4th lens and the configuration of the 5th lens, and when reducing assembling between eyeglass
The probability of collision.Furthermore, the present invention can solve the problem of image center over-correction, and contributes to disappearing
Balance is obtained between aberration and higher order aberratons.It is preferred that image-taking device can further include lens barrel (Barrel
Member), device (Holder Member) or a combination thereof are supported.
The present invention provides a kind of electronic installation, comprises aforesaid image-taking device.Whereby, molding and group are being played
While dress advantage, there is suitable refracting power, contrast taking into account the periphery of short overall length imaging system simultaneously
Degree demand.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 also 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 chart.By scheming
1 understands, and the image-taking device of first embodiment comprises imaging system (not another label) and sense electronics optical element
180.Imaging system by thing side to image side sequentially comprise aperture the 100, first lens the 110, second lens 120,
3rd lens the 130, the 4th lens the 140, the 5th lens 150, infrared ray filter filter element 160 and
Imaging surface 170, and sense electronics optical element 180 is arranged at the imaging surface 170 of imaging system, wherein imaging system
The lens in system with refracting power are five (110-150), have one between the wantonly two adjacent lens with refracting power
The air gap.
First lens 110 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 111 is convex
Face, its paraxial place, surface, image side 112 is concave surface, and is all aspheric surface.
Second lens 120 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 121 is convex
Face, its paraxial place, surface, image side 122 is concave surface, and is all aspheric surface.
3rd lens 130 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 131 is recessed
Face, its paraxial place, surface, image side 132 is convex surface, and is all aspheric surface.
4th lens 140 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 141 is convex
Face, its paraxial place, surface, image side 142 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
142 off-axis places comprise at least one convex surface.
5th lens 150 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 151 is convex
Face, its paraxial place, surface, image side 152 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
152 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 160, and it is arranged at the 5th lens 150 and imaging surface
Between 170 and do not affect the focal length of imaging system.
The aspheric fitting equation of above-mentioned each lens is expressed as follows:
Wherein:
X: in aspheric surface, distance optical axis is the point of Y, its be tangential on the phase of intersection point tangent plane on aspheric surface optical axis
Adjust the distance；
Y: the point in aspheric curve and the vertical dimension of optical axis；
R: radius of curvature；
K: conical surface coefficient；And
Ai: the i-th rank asphericity coefficient.
In the imaging system of first embodiment, the focal length of imaging system is f, the f-number of imaging system
(f-number) being Fno, in imaging system, the half at maximum visual angle is HFOV, and its numerical value is as follows: f=4.26
mm；Fno=2.12；And HFOV=36.7 degree.
In the imaging system of first embodiment, the abbe number of the second lens 120 is V2, the 3rd lens 130
Abbe number be V3, the abbe number of the 4th lens 140 is V4, and it meets following condition:
V2+V3+V4=77.2；(V2+V4)/V3=2.02；And V3=25.6.
In the imaging system of first embodiment, second lens 120 thickness on optical axis is CT2, and the 3rd is saturating
The mirror 130 thickness on optical axis is CT3, and the 4th lens 140 thickness on optical axis is CT4, and the 5th is saturating
The mirror 150 thickness on optical axis is CT5, and it meets following condition: (CT2+CT3+CT4)/CT5=1.19.
In the imaging system of first embodiment, the first lens 110 and second lens 120 interval on optical axis
Distance is T12, and the second lens 120 and the 3rd lens 130 spacing distance on optical axis are T23, the 3rd
Lens 130 and the 4th lens 140 spacing distance on optical axis are T34, and the 4th lens 140 are saturating with the 5th
The mirror 150 spacing distance on optical axis is T45, first lens the 110, second lens the 120, the 3rd lens
130, each two adjacent lens spacing distance total on optical axis in the 4th lens 140 and the 5th lens 150
With for Σ AT (Σ AT=T12+T23+T34+T45), it meets following condition: (T34+T45)/Σ AT=0.67.
In the imaging system of first embodiment, the 4th lens 140 thickness on optical axis is CT4, and the 3rd is saturating
Mirror 130 and the 4th lens 140 spacing distance on optical axis are T34, and it meets following condition: CT4/T34
=0.75.
In the imaging system of first embodiment, the 4th lens 140 thickness on optical axis is CT4, and the 4th is saturating
Mirror 140 and the 5th lens 150 spacing distance on optical axis are T45, and it meets following condition: CT4/T45
=0.85.
In the imaging system of first embodiment, the first lens thing side surface 111 to imaging surface 170 is on optical axis
Distance be TL, it meets following condition: TL=4.79mm.
In the imaging system of first embodiment, the focal length of imaging system is f, the 3rd lens thing side surface 131
Radius of curvature be R5, the radius of curvature on the 3rd surface, lens image side 132 is R6, and it meets following condition:
| f/R5 |+| f/R6 |=0.30.
In the imaging system of first embodiment, the radius of curvature of the 4th lens thing side surface 141 is R7, becomes
As the focal length of system is f, it meets following condition: | R7/f |=0.87.
In the imaging system of first embodiment, the radius of curvature of the 4th lens thing side surface 141 is R7, the
The radius of curvature of four surface, lens image sides 142 is R8, and the radius of curvature of the 5th lens thing side surface 151 is
R9, the radius of curvature on the 5th surface, lens image side 152 is R10, and the focal length of imaging system is f, and it meets
Following condition: (| R7 |+| R8 |+| R9 |+| R10 |)/f=2.81.
In the imaging system of first embodiment, the radius of curvature on the 4th surface, lens image side 142 is R8, the
The radius of curvature of five lens thing side surfaces 151 is R9, and it meets following condition: R8/R9=1.39
In the imaging system of first embodiment, the focal length of imaging system is f, and the focal length of the 3rd lens 130 is
F3, the focal length of the 4th lens 140 is f4, and the focal length of the 5th lens 150 is f5, and it meets following condition:
| f/f3 |+| f/f4 |+| f/f5 |=0.37.
It addition, in the imaging system of first embodiment, first lens 110 thickness on optical axis is CT1,
Second lens 120 thickness on optical axis is CT2, and the 3rd lens 130 thickness on optical axis is CT3,
4th lens 140 thickness on optical axis is CT4, and the 5th lens 150 thickness on optical axis is CT5,
Wherein in CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list one and table two.
Table one is the structured data that Fig. 1 first embodiment is detailed, wherein the list of radius of curvature, thickness and focal length
Position is mm, and surface 0-14 sequentially represents by the surface of thing side to image side.Table two is in first embodiment
Aspherical surface data, wherein, the conical surface coefficient in k table aspheric curve equation, A4-A16 then represents
4-16 rank, each surface asphericity coefficient.Additionally, following embodiment form is showing of corresponding each embodiment
Be intended to and aberration curve figure, in form the definition of data all with table one and the definition phase of table two of first embodiment
With, 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 chart.By scheming
3 understand, and the image-taking device of the second embodiment comprises imaging system (not another label) and sense electronics optical element
280.Imaging system by thing side to image side sequentially comprise aperture the 200, first lens the 210, second lens 220,
3rd lens the 230, the 4th lens the 240, the 5th lens 250, infrared ray filter filter element 260 and
Imaging surface 270, and sense electronics optical element 280 is arranged at the imaging surface 270 of imaging system, wherein imaging system
The lens in system with refracting power are five (210-250), have one between the wantonly two adjacent lens with refracting power
The air gap.
First lens 210 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 211 is convex
Face, its paraxial place, surface, image side 212 is concave surface, and is all aspheric surface.
Second lens 220 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 221 is convex
Face, its paraxial place, surface, image side 222 is concave surface, and is all aspheric surface.
3rd lens 230 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 231 is recessed
Face, its paraxial place, surface, image side 232 is concave surface, and is all aspheric surface.
4th lens 240 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 241 is convex
Face, its paraxial place, surface, image side 242 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
242 off-axis places comprise at least one convex surface.
5th lens 250 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 251 is convex
Face, its paraxial place, surface, image side 252 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
252 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 260, and it is arranged at the 5th lens 250 and imaging surface
Between 270 and do not affect the focal length of imaging system.
It addition, in the imaging system of the second embodiment, first lens 210 thickness on optical axis is CT1,
Second lens 220 thickness on optical axis is CT2, and the 3rd lens 230 thickness on optical axis is CT3,
4th lens 240 thickness on optical axis is CT4, and the 5th lens 250 thickness on optical axis is CT5,
Wherein in CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 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:
<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 chart.By scheming
5 understand, and the image-taking device of the 3rd embodiment comprises imaging system (not another label) and sense electronics optical element
380.Imaging system by thing side to image side sequentially comprise aperture the 300, first lens the 310, second lens 320,
3rd lens the 330, the 4th lens the 340, the 5th lens 350, infrared ray filter filter element 360 and
Imaging surface 370, and sense electronics optical element 380 is arranged at the imaging surface 370 of imaging system, wherein imaging system
The lens in system with refracting power are five (310-350), have one between the wantonly two adjacent lens with refracting power
The air gap.
First lens 310 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 311 is convex
Face, its paraxial place, surface, image side 312 is convex surface, and is all aspheric surface.
Second lens 320 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 321 is convex
Face, its paraxial place, surface, image side 322 is concave surface, and is all aspheric surface.
3rd lens 330 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 331 is convex
Face, its paraxial place, surface, image side 332 is convex surface, and is all aspheric surface.
4th lens 340 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 341 is convex
Face, its paraxial place, surface, image side 342 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
342 off-axis places comprise at least one convex surface.
5th lens 350 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 351 is convex
Face, its paraxial place, surface, image side 352 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
352 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 360, and it is arranged at the 5th lens 350 and imaging surface
Between 370 and do not affect the focal length of imaging system.
It addition, in the imaging system of the 3rd embodiment, the focal length of the first lens 310 is f1, the second lens
The focal length of 320 is f2, and the focal length of the 3rd lens 330 is f3, and the focal length of the 4th lens 340 is f4, the 5th
The focal length of lens 350 is f5, and it meets following condition: | f3 | > | f1 |；|f3|>|f2|；|f3|>|f4|；And
|f3|>|f5|。
Coordinate again with reference to lower list 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:
<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 chart.By scheming
7 understand, and the image-taking device of the 4th embodiment comprises imaging system (not another label) and sense electronics optical element
480.Imaging system by thing side to image side sequentially comprise aperture the 400, first lens the 410, second lens 420,
3rd lens the 430, the 4th lens the 440, the 5th lens 450, infrared ray filter filter element 460 and
Imaging surface 470, and sense electronics optical element 480 is arranged at the imaging surface 470 of imaging system, wherein imaging system
The lens in system with refracting power are five (410-450), have one between the wantonly two adjacent lens with refracting power
The air gap.
First lens 410 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 411 is convex
Face, its paraxial place, surface, image side 412 is concave surface, and is all aspheric surface.
Second lens 420 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 421 is convex
Face, its paraxial place, surface, image side 422 is concave surface, and is all aspheric surface.
3rd lens 430 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 431 is recessed
Face, its paraxial place, surface, image side 432 is convex surface, and is all aspheric surface.
4th lens 440 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 441 is convex
Face, its paraxial place, surface, image side 442 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
442 off-axis places comprise at least one convex surface.
5th lens 450 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 451 is convex
Face, its paraxial place, surface, image side 452 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
452 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 460, and it is arranged at the 5th lens 450 and imaging surface
Between 470 and do not affect the focal length of imaging system.
It addition, in the imaging system of the 4th embodiment, the focal length of the first lens 410 is f1, the second lens
The focal length of 420 is f2, and the focal length of the 3rd lens 430 is f3, and the focal length of the 4th lens 440 is f4, the 5th
The focal length of lens 450 is f5, and it meets following condition: | f3 | > | f1 |；|f3|>|f2|；|f3|>|f4|；And
|f3|>|f5|。
In the imaging system of the 4th embodiment, first lens 410 thickness on optical axis is CT1, and second is saturating
The mirror 420 thickness on optical axis is CT2, and the 3rd lens 430 thickness on optical axis is CT3, and the 4th is saturating
The mirror 440 thickness on optical axis is CT4, and the 5th lens 450 thickness on optical axis is CT5, wherein
In CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 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:
<the 5th embodiment>
Refer to Fig. 9 and Figure 10, wherein Fig. 9 illustrates and fills according to a kind of capture of 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 chart.
As shown in Figure 9, the image-taking device of the 5th embodiment comprises imaging system (not another label) and electronics is photosensitive
Element 580.It is saturating that imaging system is sequentially comprised aperture the 500, first lens 510, second by thing side to image side
Mirror the 520, the 3rd lens the 530, the 4th lens the 540, the 5th lens 550, infrared ray filter filter element
560 and imaging surface 570, and sense electronics optical element 580 is arranged at the imaging surface 570 of imaging system, its
The lens in middle imaging system with refracting power are five (510-550), the wantonly two adjacent lens with refracting power
Between there is a air gap.
First lens 510 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 511 is convex
Face, its paraxial place, surface, image side 512 is concave surface, and is all aspheric surface.
Second lens 520 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 521 is convex
Face, its paraxial place, surface, image side 522 is concave surface, and is all aspheric surface.
3rd lens 530 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 531 is recessed
Face, its paraxial place, surface, image side 532 is convex surface, and is all aspheric surface.
4th lens 540 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 541 is convex
Face, its paraxial place, surface, image side 542 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
542 off-axis places comprise at least one convex surface.
5th lens 550 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 551 is convex
Face, its paraxial place, surface, image side 552 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
552 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 560, and it is arranged at the 5th lens 550 and imaging surface
Between 570 and do not affect the focal length of imaging system.
It addition, in the imaging system of the 5th embodiment, the focal length of the first lens 510 is f1, the second lens
The focal length of 520 is f2, and the focal length of the 3rd lens 530 is f3, and the focal length of the 4th lens 540 is f4, the 5th
The focal length of lens 550 is f5, and it meets following condition: | f3 | > | f1 |；|f3|>|f2|；|f3|>|f4|；And
|f3|>|f5|。
In the imaging system of the 5th embodiment, first lens 510 thickness on optical axis is CT1, and second is saturating
The mirror 520 thickness on optical axis is CT2, and the 3rd lens 530 thickness on optical axis is CT3, and the 4th is saturating
The mirror 540 thickness on optical axis is CT4, and the 5th lens 550 thickness on optical axis is CT5, wherein
In CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 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:
<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 chart.
As shown in Figure 11, the image-taking device of sixth embodiment comprises imaging system (not another label) and electronics is photosensitive
Element 680.It is saturating that imaging system is sequentially comprised aperture the 600, first lens 610, second by thing side to image side
Mirror the 620, the 3rd lens the 630, the 4th lens the 640, the 5th lens 650, infrared ray filter filter element
660 and imaging surface 670, and sense electronics optical element 680 is arranged at the imaging surface 670 of imaging system, its
The lens in middle imaging system with refracting power are five (610-650), the wantonly two adjacent lens with refracting power
Between there is a air gap.
First lens 610 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 611 is convex
Face, its paraxial place, surface, image side 612 is concave surface, and is all aspheric surface.
Second lens 620 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 621 is recessed
Face, its paraxial place, surface, image side 622 is concave surface, and is all aspheric surface.
3rd lens 630 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 631 is recessed
Face, its paraxial place, surface, image side 632 is convex surface, and is all aspheric surface.
4th lens 640 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 641 is convex
Face, its paraxial place, surface, image side 642 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
642 off-axis places comprise at least one convex surface.
5th lens 650 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 651 is convex
Face, its paraxial place, surface, image side 652 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
652 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 660, and it is arranged at the 5th lens 650 and imaging surface
Between 670 and do not affect the focal length of imaging system.
It addition, in the imaging system of sixth embodiment, the focal length of the first lens 610 is f1, the second lens
The focal length of 620 is f2, and the focal length of the 3rd lens 630 is f3, and the focal length of the 4th lens 640 is f4, the 5th
The focal length of lens 650 is f5, and it meets following condition: | f3 | > | f1 |；|f3|>|f2|；|f3|>|f4|；And
|f3|>|f5|。
In the imaging system of sixth embodiment, first lens 610 thickness on optical axis is CT1, and second is saturating
The mirror 620 thickness on optical axis is CT2, and the 3rd lens 630 thickness on optical axis is CT3, and the 4th is saturating
The mirror 640 thickness on optical axis is CT4, and the 5th lens 650 thickness on optical axis is CT5, wherein
In CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 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:
<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 chart.
As shown in Figure 13, the image-taking device of the 7th embodiment comprises imaging system (not another label) and electronics is photosensitive
Element 780.It is saturating that imaging system is sequentially comprised the first lens 710, aperture 700, second by thing side to image side
Mirror the 720, the 3rd lens the 730, the 4th lens the 740, the 5th lens 750, infrared ray filter filter element
760 and imaging surface 770, and sense electronics optical element 780 is arranged at the imaging surface 770 of imaging system, its
The lens in middle imaging system with refracting power are five (710-750), the wantonly two adjacent lens with refracting power
Between there is a air gap.
First lens 710 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 711 is convex
Face, its paraxial place, surface, image side 712 is convex surface, and is all aspheric surface.
Second lens 720 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 721 is recessed
Face, its paraxial place, surface, image side 722 is concave surface, and is all aspheric surface.
3rd lens 730 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 731 is convex
Face, its paraxial place, surface, image side 732 is convex surface, and is all aspheric surface.
4th lens 740 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 741 is convex
Face, its paraxial place, surface, image side 742 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
742 off-axis places comprise at least one convex surface.
5th lens 750 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 751 is convex
Face, its paraxial place, surface, image side 752 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
752 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 760, and it is arranged at the 5th lens 750 and imaging surface
Between 770 and do not affect the focal length of imaging system.
It addition, in the imaging system of the 7th embodiment, first lens 710 thickness on optical axis is CT1,
Second lens 720 thickness on optical axis is CT2, and the 3rd lens 730 thickness on optical axis is CT3,
4th lens 740 thickness on optical axis is CT4, and the 5th lens 750 thickness on optical axis is CT5,
Wherein in CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 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:
<the 8th embodiment>
Refer to Figure 15 and Figure 16, wherein Figure 15 illustrates a kind of capture according to eighth embodiment of the invention
The schematic diagram of device, Figure 16 is sequentially the spherical aberration of the 8th embodiment, astigmatism from left to right and distorts curve chart.
As shown in Figure 15, the image-taking device of the 8th embodiment comprises imaging system (not another label) and electronics is photosensitive
Element 880.It is saturating that imaging system is sequentially comprised the first lens 810, aperture 800, second by thing side to image side
Mirror the 820, the 3rd lens the 830, the 4th lens the 840, the 5th lens 850, infrared ray filter filter element
860 and imaging surface 870, and sense electronics optical element 880 is arranged at the imaging surface 870 of imaging system, its
The lens in middle imaging system with refracting power are five (810-850), the wantonly two adjacent lens with refracting power
Between there is a air gap.
First lens 810 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 811 is convex
Face, its paraxial place, surface, image side 812 is concave surface, and is all aspheric surface.
Second lens 820 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 821 is recessed
Face, its paraxial place, surface, image side 822 is concave surface, and is all aspheric surface.
3rd lens 830 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 831 is convex
Face, its paraxial place, surface, image side 832 is convex surface, and is all aspheric surface.
4th lens 840 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 841 is convex
Face, its paraxial place, surface, image side 842 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
842 off-axis places comprise at least one convex surface.
5th lens 850 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 851 is convex
Face, its paraxial place, surface, image side 852 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
852 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 860, and it is arranged at the 5th lens 850 and imaging surface
Between 870 and do not affect the focal length of imaging system.
It addition, in the imaging system of the 8th embodiment, first lens 810 thickness on optical axis is CT1,
Second lens 820 thickness on optical axis is CT2, and the 3rd lens 830 thickness on optical axis is CT3,
4th lens 840 thickness on optical axis is CT4, and the 5th lens 850 thickness on optical axis is CT5,
Wherein in CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 15 and table 16.
In 8th 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 15 and table 16 can extrapolate following data:
<the 9th embodiment>
Refer to Figure 17 and Figure 18, wherein Figure 17 illustrates a kind of capture according to ninth embodiment of the invention
The schematic diagram of device, Figure 18 is sequentially the spherical aberration of the 9th embodiment, astigmatism from left to right and distorts curve chart.
As shown in Figure 17, the image-taking device of the 9th embodiment comprises imaging system (not another label) and electronics is photosensitive
Element 980.It is saturating that imaging system is sequentially comprised aperture the 900, first lens 910, second by thing side to image side
Mirror the 920, the 3rd lens the 930, the 4th lens the 940, the 5th lens 950, infrared ray filter filter element
960 and imaging surface 970, and sense electronics optical element 980 is arranged at the imaging surface 970 of imaging system, its
The lens in middle imaging system with refracting power are five (910-950), the wantonly two adjacent lens with refracting power
Between there is a air gap.
First lens 910 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 911 is convex
Face, its paraxial place, surface, image side 912 is concave surface, and is all aspheric surface.
Second lens 920 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 921 is convex
Face, its paraxial place, surface, image side 922 is concave surface, and is all aspheric surface.
3rd lens 930 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 931 is convex
Face, its paraxial place, surface, image side 932 is concave surface, and is all aspheric surface.
4th lens 940 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 941 is convex
Face, its paraxial place, surface, image side 942 is concave surface, and is all aspheric surface.It addition, the 4th surface, lens image side
942 off-axis places comprise at least one convex surface.
5th lens 950 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 951 is convex
Face, its paraxial place, surface, image side 952 is concave surface, and is all aspheric surface.It addition, the 5th surface, lens image side
952 off-axis places comprise at least one convex surface.
It is glass material that infrared ray filters filter element 960, and it is arranged at the 5th lens 950 and imaging surface
Between 970 and do not affect the focal length of imaging system.
It addition, in the imaging system of the 9th embodiment, the focal length of the first lens 910 is f1, the second lens
The focal length of 920 is f2, and the focal length of the 3rd lens 930 is f3, and the focal length of the 4th lens 940 is f4, the 5th
The focal length of lens 950 is f5, and it meets following condition: | f3 | > | f1 |；|f3|>|f2|；|f3|>|f4|；And
|f3|>|f5|。
In the imaging system of the 9th embodiment, first lens 910 thickness on optical axis is CT1, and second is saturating
The mirror 920 thickness on optical axis is CT2, and the 3rd lens 930 thickness on optical axis is CT3, and the 4th is saturating
The mirror 940 thickness on optical axis is CT4, and the 5th lens 950 thickness on optical axis is CT5, wherein
In CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 17 and table 18.
In 9th 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 17 and table 18 can extrapolate following data:
<the tenth embodiment>
Refer to Figure 19 and Figure 20, wherein Figure 19 illustrates a kind of capture according to tenth embodiment of the invention
The schematic diagram of device, Figure 20 is sequentially the spherical aberration of the tenth embodiment, astigmatism from left to right and distorts curve chart.
It appears from figure 19 that the image-taking device of the tenth embodiment comprises imaging system (not another label) and electronics is photosensitive
Element 1080.Imaging system is sequentially comprised aperture the 1000, first lens 1010, second by thing side to image side
Lens the 1020, the 3rd lens the 1030, the 4th lens the 1040, the 5th lens 1050, infrared ray filter optical filtering
Element 1060 and imaging surface 1070, and sense electronics optical element 1080 is arranged at the imaging surface of imaging system
1070, the lens wherein in imaging system with refracting power are five (1010-1050), wantonly two adjacent have in the wrong
There is between the lens of folding power a air gap.
First lens 1010 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 1011 is
Convex surface, its paraxial place, surface, image side 1012 is concave surface, and is all aspheric surface.
Second lens 1020 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 1021 is
Convex surface, its paraxial place, surface, image side 1022 is concave surface, and is all aspheric surface.
3rd lens 1030 have positive refracting power, and are plastic cement material, and its paraxial place of thing side surface 1031 is
Convex surface, its paraxial place, surface, image side 1032 is convex surface, and is all aspheric surface.
4th lens 1040 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 1041 is
Convex surface, its paraxial place, surface, image side 1042 is concave surface, and is all aspheric surface.It addition, the 4th lens image side
Off-axis place, surface 1042 comprises at least one convex surface.
5th lens 1050 have negative refracting power, and are plastic cement material, and its paraxial place of thing side surface 1051 is
Convex surface, its paraxial place, surface, image side 1052 is concave surface, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 1052 comprises at least one convex surface.
It is glass material that infrared ray filters filter element 1060, and it is arranged at the 5th lens 1050 and imaging surface
Between 1070 and do not affect the focal length of imaging system.
It addition, in the imaging system of the tenth embodiment, first lens 1010 thickness on optical axis is CT1,
Second lens 1020 thickness on optical axis is CT2, and the 3rd lens 1030 thickness on optical axis is CT3,
4th lens 1040 thickness on optical axis is CT4, and the 5th lens 1050 thickness on optical axis is CT5,
Wherein in CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
Coordinate again with reference to lower list 19 and table 20.
In tenth 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 19 and table 20 can extrapolate following data:
<the 11st embodiment>
Refer to Figure 21, be the signal illustrating a kind of electronic installation 10 according to eleventh embodiment of the invention
Figure.The electronic installation 10 of the 11st embodiment is a smart mobile phone, and electronic installation 10 comprises image-taking device
11, image-taking device 11 comprises the imaging system (figure does not discloses) according to the present invention and sense electronics optical element
(figure does not discloses), wherein sense electronics optical element is arranged at the imaging surface of imaging system.
<the 12nd embodiment>
Refer to Figure 22, be the signal illustrating a kind of electronic installation 20 according to twelveth embodiment of the invention
Figure.The electronic installation 20 of the 12nd embodiment is a tablet PC, and electronic installation 20 comprises image-taking device
21, image-taking device 21 comprises the imaging system (figure does not discloses) according to the present invention and sense electronics optical element
(figure does not discloses), wherein sense electronics optical element is arranged at the imaging surface of imaging system.
<the 13rd embodiment>
Refer to Figure 23, be the signal illustrating a kind of electronic installation 30 according to thriteenth embodiment of the invention
Figure.The electronic installation 30 of the 13rd embodiment be a head mounted display (Head-mounted display,
HMD), electronic installation 30 comprises image-taking device 31, and image-taking device 31 comprises the imaging according to the present invention
System (figure does not discloses) and sense electronics optical element (figure does not discloses), wherein sense electronics optical element is arranged at
The imaging surface of imaging system.
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 is when being defined in the range of standard depending on appending claims.
Claims (22)
1. an imaging system, it is characterised in that sequentially comprised to image side by thing side:
One first lens, have positive refracting power, and its paraxial place of thing side surface is convex surface；
One second lens, have negative refracting power, and its paraxial place, surface, image side is concave surface；
One the 3rd lens, have refracting power；
One the 4th lens, have refracting power, and its paraxial place, surface, image side is concave surface and off-axis place comprises at least one
Convex surface, its thing side surface and surface, image side are all aspheric surface；And
One the 5th lens, have refracting power, and its paraxial place of thing side surface is convex surface, its paraxial place, surface, image side
Comprising at least one convex surface for concave surface and off-axis place, its thing side surface and surface, image side are all aspheric surface；
Wherein, the lens in this imaging system with refracting power are five, and wantonly two adjacent have the saturating of refracting power
Having a air gap between mirror, the 4th lens thickness on optical axis is CT4, the 3rd lens with this
Four lens spacing distance on optical axis is T34, the 4th lens and the 5th lens interval on optical axis
Distance is T45, and the focal length of this imaging system is f, and the radius of curvature of the 3rd lens thing side surface is R5,
The radius of curvature of the 3rd surface, lens image side is R6, and the abbe number of these the second lens is V2, the 3rd
The abbe number of lens is V3, and the abbe number of the 4th lens is V4, and it meets following condition:
CT4/T34<1.20；
CT4/T45<1.60；
|f/R5|+|f/R6|<1.10；And
1.75<(V2+V4)/V3。
Imaging system the most according to claim 1, it is characterised in that the 4th lens thing side surface
Paraxial place is convex surface.
Imaging system the most according to claim 2, it is characterised in that the dispersion system of the 3rd lens
Number is for V3, and it meets following condition:
V3<30。
Imaging system the most according to claim 2, it is characterised in that the 4th lens are on optical axis
Thickness be CT4, the 3rd lens and the 4th lens spacing distance on optical axis are T34, and it meets
Following condition:
CT4/T34<1.0。
Imaging system the most according to claim 1, it is characterised in that the 4th lens are on optical axis
Thickness be CT4, the 4th lens and the 5th lens spacing distance on optical axis are T45, and it meets
Following condition:
CT4/T45<1.48。
Imaging system the most according to claim 1, it is characterised in that the 4th lens are on optical axis
Thickness be CT4, the 4th lens and the 5th lens spacing distance on optical axis are T45, and it meets
Following condition:
CT4/T45<1.25。
Imaging system the most according to claim 1, it is characterised in that the 3rd lens have the most in the wrong
Folding power.
Imaging system the most according to claim 1, it is characterised in that this surface, the first lens image side
Paraxial place is concave surface.
Imaging system the most according to claim 1, it is characterised in that the 4th lens thing side surface
Radius of curvature be R7, the focal length of this imaging system is f, and it meets following condition:
|R7/f|<3.0。
Imaging system the most according to claim 9, it is characterised in that the f-number of this imaging system
For Fno, this first lens thing side surface to imaging surface distance on optical axis is TL, this imaging system
The half at maximum visual angle be HFOV, it meets following condition:
1.6<Fno<2.4；
TL<6mm；And
35 degree of < HFOV.
11. imaging systems according to claim 1, it is characterised in that the 4th lens thing side surface
Radius of curvature be R7, the focal length of this imaging system is f, and it meets following condition:
|R7/f|<2.3。
12. imaging systems according to claim 1, it is characterised in that the focal length of this imaging system is
F, the focal length of the 3rd lens is f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5,
It meets following condition:
|f/f3|+|f/f4|+|f/f5|<0.60。
13. imaging systems according to claim 1, it is characterised in that the focal length of these the first lens is
F1, the focal length of these the second lens is f2, and the focal length of the 3rd lens is f3, and the focal length of the 4th lens is f4,
The focal length of the 5th lens is f5, and it meets following condition:
|f3|>|f1|；
|f3|>|f2|；
|f3|>|f4|；And
|f3|>|f5|。
14. imaging systems according to claim 1, it is characterised in that the 4th lens thing side surface
Radius of curvature be R7, the radius of curvature on the 4th surface, lens image side is R8, the 5th lens thing side table
The radius of curvature in face is R9, and the radius of curvature on the 5th surface, lens image side is R10, this imaging system
Focal length is f, and it meets following condition:
(|R7|+|R8|+|R9|+|R10|)/f<3.5。
15. imaging systems according to claim 1, it is characterised in that the 3rd lens and the 4th
Lens spacing distance on optical axis is T34, the 4th lens and the 5th lens spacer on optical axis
From for T45, these first lens, these second lens, the 3rd lens, the 4th lens and the 5th lens
In each two adjacent lens summation of spacing distance on optical axis be Σ AT, it meets following condition:
0.60<(T34+T45)/ΣAT<0.80。
16. imaging systems according to claim 1, it is characterised in that the dispersion system of these the second lens
Number is V2, and the abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, and it is full
Foot row condition:
V2+V3+V4<90。
17. imaging systems according to claim 1, it is characterised in that these first lens are on optical axis
Thickness be CT1, this second lens thickness on optical axis is CT2, the 3rd lens thickness on optical axis
Degree is CT3, and the 4th lens thickness on optical axis is CT4, and the 5th lens thickness on optical axis is
CT5, wherein in CT1, CT2, CT3, CT4 and CT5, the maximum is CT5.
18. imaging systems according to claim 1, it is characterised in that these second lens are on optical axis
Thickness be CT2, the 3rd lens thickness on optical axis is CT3, the 4th lens thickness on optical axis
Degree is for CT4, and the 5th lens thickness on optical axis is CT5, and it meets following condition:
(CT2+CT3+CT4)/CT5<1.25。
19. imaging systems according to claim 1, it is characterised in that the 4th surface, lens image side
Radius of curvature be R8, the radius of curvature of the 5th lens thing side surface is R9, and it meets following condition:
1.20<R8/R9。
20. imaging systems according to claim 1, it is characterised in that the focal length of this imaging system is
F, the radius of curvature of the 3rd lens thing side surface is R5, and the radius of curvature on the 3rd surface, lens image side is
R6, it meets following condition:
|f/R5|+|f/R6|<0.75。
21. 1 kinds of image-taking devices, it is characterised in that comprise:
Imaging system as claimed in claim 1；And
One sense electronics optical element, it is arranged at an imaging surface of this imaging system.
22. 1 kinds of electronic installations, it is characterised in that comprise:
Image-taking device as claimed in claim 21.
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| CN201510091796.0A CN105988200B (en) | 2015-03-02 | 2015-03-02 | Imaging system, image-taking device and electronic device |
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| CN201510091796.0A CN105988200B (en) | 2015-03-02 | 2015-03-02 | Imaging system, image-taking device and electronic device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072967A (en) * | 2016-11-18 | 2018-05-25 | 大立光电股份有限公司 | Optical photographing lens system, image capturing device and electronic device |
| CN108205186A (en) * | 2016-12-20 | 2018-06-26 | 三星电机株式会社 | Optical imaging system |
| CN108254854A (en) * | 2016-12-29 | 2018-07-06 | 大立光电股份有限公司 | Image capturing system set, image capturing device and electronic device |
| CN111948786A (en) * | 2019-05-17 | 2020-11-17 | 大立光电股份有限公司 | Optical image capturing lens assembly, image capturing device and electronic device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100134904A1 (en) * | 2008-12-01 | 2010-06-03 | Tsung-Han Tsai | Optical Lens System for Taking Image |
| TW201106040A (en) * | 2009-08-11 | 2011-02-16 | Largan Precision Co Ltd | Imaging lens system |
| US20130002931A1 (en) * | 2010-10-15 | 2013-01-03 | Largan Precision Co., Ltd. | Optical imaging lens assembly |
| WO2014103197A1 (en) * | 2012-12-25 | 2014-07-03 | 富士フイルム株式会社 | Imaging lens and imaging device provided with imaging lens |
| CN203773142U (en) * | 2013-03-29 | 2014-08-13 | 富士胶片株式会社 | Imaging lens and imaging apparatus comprising same |
| TWI456247B (en) * | 2013-07-17 | 2014-10-11 | Largan Precision Co Ltd | Image capturing lens system |
| JPWO2013014850A1 (en) * | 2011-07-25 | 2015-02-23 | 富士フイルム株式会社 | Imaging lens and imaging device provided with imaging lens |
-
2015
- 2015-03-02 CN CN201510091796.0A patent/CN105988200B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100134904A1 (en) * | 2008-12-01 | 2010-06-03 | Tsung-Han Tsai | Optical Lens System for Taking Image |
| TW201106040A (en) * | 2009-08-11 | 2011-02-16 | Largan Precision Co Ltd | Imaging lens system |
| US20130002931A1 (en) * | 2010-10-15 | 2013-01-03 | Largan Precision Co., Ltd. | Optical imaging lens assembly |
| JPWO2013014850A1 (en) * | 2011-07-25 | 2015-02-23 | 富士フイルム株式会社 | Imaging lens and imaging device provided with imaging lens |
| WO2014103197A1 (en) * | 2012-12-25 | 2014-07-03 | 富士フイルム株式会社 | Imaging lens and imaging device provided with imaging lens |
| CN203773142U (en) * | 2013-03-29 | 2014-08-13 | 富士胶片株式会社 | Imaging lens and imaging apparatus comprising same |
| TWI456247B (en) * | 2013-07-17 | 2014-10-11 | Largan Precision Co Ltd | Image capturing lens system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072967A (en) * | 2016-11-18 | 2018-05-25 | 大立光电股份有限公司 | Optical photographing lens system, image capturing device and electronic device |
| CN108072967B (en) * | 2016-11-18 | 2019-10-08 | 大立光电股份有限公司 | Optical photographing lens system, image capturing device and electronic device |
| CN108205186A (en) * | 2016-12-20 | 2018-06-26 | 三星电机株式会社 | Optical imaging system |
| US11092775B2 (en) | 2016-12-20 | 2021-08-17 | Samsung Electro-Mechanics Co., Ltd. | Optical imaging system |
| US11726299B2 (en) | 2016-12-20 | 2023-08-15 | Samsung Electro-Mechanics Co., Ltd. | Optical imaging system |
| CN108254854A (en) * | 2016-12-29 | 2018-07-06 | 大立光电股份有限公司 | Image capturing system set, image capturing device and electronic device |
| CN108254854B (en) * | 2016-12-29 | 2019-12-24 | 大立光电股份有限公司 | Image capturing system set, image capturing device and electronic device |
| CN111948786A (en) * | 2019-05-17 | 2020-11-17 | 大立光电股份有限公司 | Optical image capturing lens assembly, image capturing device and electronic device |
| CN113820833A (en) * | 2019-06-25 | 2021-12-21 | 浙江舜宇光学有限公司 | Optical imaging lens and electronic device |
| CN113820833B (en) * | 2019-06-25 | 2022-08-02 | 浙江舜宇光学有限公司 | Optical imaging lens and electronic equipment |
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