CN106199931A - Imaging lens systems, image-taking device and electronic installation - Google Patents
Imaging lens systems, image-taking device and electronic installation Download PDFInfo
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- CN106199931A CN106199931A CN201510209766.5A CN201510209766A CN106199931A CN 106199931 A CN106199931 A CN 106199931A CN 201510209766 A CN201510209766 A CN 201510209766A CN 106199931 A CN106199931 A CN 106199931A
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Abstract
The present invention provides a kind of imaging lens systems, image-taking device and electronic installation, and this imaging lens systems is sequentially comprised to image side by thing side: have the first lens of positive refracting power, and its thing side is convex surface at dipped beam axle；There are the second lens of negative refracting power；Having refracting power the 3rd lens, its thing side and image side surface are all aspheric surface；Having the 4th lens of refracting power, its thing side and image side surface are all aspheric surface；Having the 5th lens of negative refracting power, its thing side is concave surface at dipped beam axle, and its image side surface is convex surface at dipped beam axle, and its thing side and image side surface are all aspheric surface.This imaging lens systems is separately provided with between an aperture, and this aperture and this first lens without having refracting power lens.Under aforementioned system configures, in addition to meeting vista shot function, the optical design of slimming is the most more convenient carries, and manufacturing cost is also greatly reduced, in order to the application in market.
Description
Technical field
The present invention is about a kind of imaging lens systems and image-taking device, especially with regard to a kind of electronic installation that can be applicable to
Imaging lens systems, image-taking device and electronic installation.
Background technology
Along with personal electric product is the most lightening, the internal each spare part of electronic product is requested to have less size.
The size of imaging lens systems faces the requirement having necessarily become smaller under market trend.In addition to the requirement of compact in size,
Because the elemental area that the progress of semiconductor process technique makes photo-sensitive cell reduces, imaging eyeglass synchronizes gradually toward high picture
The development of element field.Meanwhile, the electronic installation such as the smart mobile phone of rise and panel computer also promotes high-quality miniature imaging mirror
The demand of sheet system.
Tradition vista shot (Telephoto) optical system many employings multiple-piece construction and carry spherical glass lens, this
Class configuration not only causes camera lens volume excessive and the most portable, meanwhile, and the stepping back of production unit cost too high Ye Shi consumer prestige,
The most existing optical system cannot meet current consumer and pursue convenient and polyfunctional photography demand.
In sum, field is badly in need of a kind of imaging lens systems meeting miniature requirement and high image quality.
Summary of the invention
The present invention provides a kind of imaging lens systems, image-taking device and electronic installation, to meet miniaturization and high imaging product
The demand of matter.
The present invention provides a kind of imaging lens systems, thing side sequentially comprise to image side: one first lens, have the most in the wrong
Folding power, its thing side is convex surface；One second lens, have negative refracting power；One the 3rd lens, have refracting power, its
Thing side and image side surface are all aspheric surface；One the 4th lens, have refracting power, and its thing side and image side surface are all aspheric
Face；And one the 5th lens, there is negative refracting power, its thing side is concave surface, and its image side surface is convex surface, its thing side and
Image side surface is all aspheric surface；Wherein, this imaging lens systems is separately provided with an aperture, and this aperture and these first lens
Between without having refracting power lens；Wherein, the lens having refracting power in this imaging lens systems are five；Wherein, should
Between the first lens, these second lens, the 3rd lens, the 4th lens and the 5th lens adjacent lens on optical axis
All there is an airspace；The focal length of this imaging lens systems is f, and the radius of curvature of this first lens thing side is R1,
The radius of curvature of the 4th lens image side surface is R8, and this aperture to the 5th lens image side surface distance on optical axis is
SD, this first lens thing side to the 5th lens image side surface distance on optical axis is TD, these second lens with should
Between 3rd lens, the distance on optical axis is T23, the distance on optical axis between the 4th lens and the 5th lens
For T45, between the 3rd lens and the 4th lens, the distance on optical axis is T34, meets following relationship:
3.3<f/R1；
-1.8<f/R8<1.8；
0.7<SD/TD<1.0；And
0.5<(T23+T45)/T34<6.0。
The present invention separately provides a kind of image-taking device, comprises aforementioned imaging lens systems and a sense electronics optical element.
The present invention reoffers a kind of electronic installation, comprises aforementioned image-taking device.
The present invention provides again a kind of imaging lens systems, thing side sequentially comprise to image side: one first lens, just have
Refracting power, its thing side is convex surface；One second lens, have negative refracting power；One the 3rd lens, have refracting power,
Its thing side and image side surface are all aspheric surface；One the 4th lens, have refracting power, and its thing side and image side surface are all non-
Sphere；And one the 5th lens, there is negative refracting power, its thing side is concave surface, and its image side surface is convex surface, its thing side
And image side surface is all aspheric surface；Wherein, this imaging lens systems is separately provided with an aperture, and this aperture is first saturating with this
Without having refracting power lens between mirror；Wherein, the lens having refracting power in this imaging lens systems are five；Wherein,
In optical axis between these first lens, these second lens, the 3rd lens, the 4th lens and the 5th lens adjacent lens
On all there is an airspace；The focal length of this imaging lens systems is f, and the radius of curvature of this first lens thing side is
R1, the radius of curvature of the 4th lens image side surface is R8, this aperture to the 5th lens image side surface on optical axis away from
From for SD, this first lens thing side to the 5th lens image side surface distance on optical axis is TD, the 3rd lens
Thickness on optical axis is CT3, and between the 3rd lens and the 4th lens, the distance on optical axis is T34, meets
Following relationship:
3.3<f/R1；
-1.0<f/R8<1.0；
0.7<SD/TD<1.0；And
0.2<CT3/T34<2.2。
The present invention is directed to miniaturization device and design one group of imaging lens systems being applicable to vista shot, this system is except full
Outside foot vista shot function, the optical design of slimming is the most more convenient carries, and manufacturing cost is also greatly reduced, in order to
Universal and the application in market.
The aggregate capabilities of total system for having positive refracting power, is concentrated on the thing of camera lens by the first lens design by the present invention
Side, can effective control system volume, the convenience carried with lifting.Second lens have negative refracting power, can revise
System aberration.Additionally, when the 5th lens are minus lens, back focal length can be avoided long, to meet the demand of miniaturization,
The thing side simultaneously meeting the 5th lens is concave surface, and image side surface is convex surface, can be beneficial to principal point toward thing side to movement, with
Time control field of view angle, to help the function of vista shot.
When f/R1 meets described condition, can effectively suppress image pickup scope, make the image quality of local image possess relatively
High resolution.
When f/R8 meets described condition, can effectively control the curvature on the 4th surface, lens image side, suppress spuious simultaneously
Light is incident in imaging surface, with the image quality of improving optical system.
When (T23+T45)/T34 meets described condition, effectively can join cloth in control system space, with difficult at lens assembling
Yi Du and mirror shape join acquirement balance on cloth.
When CT3/T34 meets described condition, the thickness of the 3rd lens can be controlled in zone of reasonableness, adjust simultaneously
Join and distance between the 4th lens, to balance system configuration.
Imaging lens systems, image-taking device and the electronic installation provided by the present invention, except meeting vista shot function
Outward, the optical design of slimming is the most more convenient carries, and manufacturing cost is also greatly reduced, in order to the application in market.
Accompanying drawing explanation
Figure 1A is the image-taking device schematic diagram of first embodiment of the invention.
Figure 1B is the aberration curve figure of first embodiment of the invention.
Fig. 2 A is the image-taking device schematic diagram of second embodiment of the invention.
Fig. 2 B is the aberration curve figure of second embodiment of the invention.
Fig. 3 A is the image-taking device schematic diagram of third embodiment of the invention.
Fig. 3 B is the aberration curve figure of third embodiment of the invention.
Fig. 4 A is the image-taking device schematic diagram of fourth embodiment of the invention.
Fig. 4 B is the aberration curve figure of fourth embodiment of the invention.
Fig. 5 A is the image-taking device schematic diagram of fifth embodiment of the invention.
Fig. 5 B is the aberration curve figure of fifth embodiment of the invention.
Fig. 6 A is the image-taking device schematic diagram of sixth embodiment of the invention.
Fig. 6 B is the aberration curve figure of sixth embodiment of the invention.
Fig. 7 A is the image-taking device schematic diagram of seventh embodiment of the invention.
Fig. 7 B is the aberration curve figure of seventh embodiment of the invention.
Fig. 8 A is the image-taking device schematic diagram of eighth embodiment of the invention.
Fig. 8 B is the aberration curve figure of eighth embodiment of the invention.
Fig. 9 A is the image-taking device schematic diagram of ninth embodiment of the invention.
Fig. 9 B is the aberration curve figure of ninth embodiment of the invention.
Figure 10 A is the image-taking device schematic diagram of tenth embodiment of the invention.
Figure 10 B is the aberration curve figure of tenth embodiment of the invention.
Figure 11 is the schematic diagram of the distance being parallel to optical axis between lens surface maximum effective radius position of the present invention.
Figure 12 A is the smart mobile phone that signal is equiped with the image-taking device of the present invention.
Figure 12 B is the panel computer that signal is equiped with the image-taking device of the present invention.
Figure 12 C is the Wearable device that signal is equiped with the image-taking device of the present invention.
Main element symbol description:
100,200,300,400,500,600,700,800,900,1000 aperture
110,210,310,410,510,610,710,810,910,1,010 first lens
111,211,311,411,511,611,711,811,911,1011 thing side
112,212,312,412,512,612,712,812,912,1012 image side surface
120,220,320,420,520,620,720,820,920,1,020 second lens
121,221,321,421,521,621,721,821,921,1021 thing side
122,222,322,422,522,622,722,822,922,1022 image side surface
130,230,330,430,530,630,730,830,930,1030 the 3rd lens
131,231,331,431,531,631,731,831,931,1031 thing side
132,232,332,432,532,632,732,832,932,1032 image side surface
140,240,340,440,540,640,740,840,940,1040 the 4th lens
141,241,341,441,541,641,741,841,941,1041 thing side
142,242,342,442,542,642,742,842,942,1042 image side surface
150,250,350,450,550,650,750,850,950,1050 the 5th lens
151,251,351,451,551,651,751,851,951,1051 thing side
152,252,352,452,552,652,752,852,952,1052 image side surface
160,260,360,460,560,660,760,860,960,1060 infrared ray filter filter element
170,270,370,470,570,670,770,870,970,1070 imaging surface
180,280,380,480,580,680,780,880,980,1080 sense electronics optical element
1201 image-taking device 1210 smart mobile phones
1220 panel computer 1230 Wearable device
L3 the 3rd lens L4 the 4th lens
The f-number of the focal length Fno imaging lens systems of F imaging lens systems
The half at maximum visual angle in HFOV imaging lens systems
The radius of curvature of R1 the first lens thing side
The radius of curvature of R8 the 4th lens image side surface
The radius of curvature of R9 the 5th lens thing side
The radius of curvature of R10 the 5th lens image side surface
SD aperture is to the 5th lens image side surface distance on optical axis
TD the first lens thing side is to the 5th lens image side surface distance on optical axis
Distance on optical axis between T23 the second lens and the 3rd lens
Distance on optical axis between T34 the 3rd lens and the 4th lens
Distance on optical axis between T45 the 4th lens and the 5th lens
The focal length of f4 the 4th lens
The focal length of f5 the 5th lens
The maximum image height of ImgH imaging lens systems
Maximum effective radius position, surface, ET34 the 3rd lens image side is maximum with the 4th lens thing side surface effectively
The distance of optical axis it is parallel between radial location
In the refractive index of Nmax the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens
Largest refractive index
Distance on optical axis between TL the first lens thing side and imaging surface
CT3 the 3rd lens thickness on optical axis
The abbe number of V2 the second lens
The abbe number of V3 the 3rd lens
The abbe number of V1 the first lens
The entrance pupil aperture of EPD imaging lens systems
Detailed description of the invention
The present invention provides a kind of imaging lens systems, thing side to image side sequentially comprise have refracting power the first lens,
Second lens, the 3rd lens, the 4th lens and the 5th lens.Imaging lens systems is separately provided with an aperture, and this light
Without having the lens of refracting power between circle and these first lens, the lens in imaging lens systems with refracting power are five
Sheet.
These first lens have positive refracting power, are the thing side that the aggregate capabilities of total system concentrates on camera lens, can have
Effect control system volume, the convenience carried with lifting.This first lens thing side is convex surface at dipped beam axle, adjustable
Whole positive refracting power configures, and then the system bulk miniaturization that tightens control.
These second lens have negative refracting power can update the system aberration.This second lens image side surface can be recessed at dipped beam axle
Face, contributes to lens error correction.
3rd lens can have positive refracting power, contributes to the configuration of balance system refracting power, to reduce system sensitivity.
In 3rd lens thing side and image side surface, at least one surface can be provided with at least one point of inflexion, contributes to modified off-axis visual field
Aberration, and the light of the off-axis visual field angle on sense electronics optical element can be suppressed, to increase the photosensitive unit of electronics
Part receiving efficiency.
4th lens can have negative refracting power, and the 4th lens thing side can be concave surface at dipped beam axle, and the 4th is saturating
Mirror image side can be convex surface at dipped beam axle, contributes to strengthening the correction of astigmatism, to promote image quality.
5th lens have negative refracting power, contribute to shortening the back focal length of imaging lens systems, maintain its miniaturization.
5th lens thing side can be concave surface at dipped beam axle, and the 5th lens image side surface can be convex surface at dipped beam axle, is
Principal point can be beneficial to toward thing side to movement, control field of view angle simultaneously, to help the function of vista shot.
The focal length of this imaging lens systems is f, and the radius of curvature of this first lens thing side is R1.When this imaging eyeglass
System meets following relationship: 3.3 < during f/R1, can effectively suppress image pickup scope, make the image quality of local image
Possesses higher resolution.
The focal length of this imaging lens systems is f, and the radius of curvature of the 4th lens image side surface is R8.When this imaging eyeglass
System meets following relationship :-1.8 < f/R8 < when 1.8, can effectively control the curvature on the 4th surface, lens image side, together
Time suppression veiling glare be incident in imaging surface, with the image quality of improving optical system；It is preferred that meet following relationship:
-1.4<f/R8<1.4；More preferably, following relationship is met :-1.0 < f/R8 < 1.0.
This aperture is SD to the 5th lens image side surface distance on optical axis, and this first lens thing side is to the 5th
Lens image side surface distance on optical axis is TD.When this imaging lens systems meets following relationship: 0.7 < SD/TD
< when 1.0, in controlling into angular while, also can balance system overall length, it is to avoid system bulk is excessive.
Between these the second lens and the 3rd lens, the distance on optical axis is T23, the 4th lens and the 5th lens
Between distance on optical axis be T45, between the 3rd lens and the 4th lens, the distance on optical axis is T34.
When this imaging lens systems meets following relationship: 0.5 < (T23+T45)/T34 < when 6.0, can effective control system
Cloth is joined in space, to join acquirement balance on cloth in lens assembling difficulty and mirror shape；It is preferred that meet following relationship
Formula: 2.3 < (T23+T45)/T34 < 5.5.
3rd lens thickness on optical axis is CT3, between the 3rd lens and the 4th lens on optical axis away from
From for T34.When this imaging lens systems meets following relationship: 0.2 < CT3/T34 < when 2.2, can control this
The thickness of three lens is in zone of reasonableness, and the distance between allotment and the 4th lens simultaneously, to balance system configuration；Preferably
Ground, meets following relationship: 0.5 < CT3/T34 < 1.9.
The focal length of the 4th lens is f4, and the focal length of the 5th lens is f5.When this imaging lens systems meets following
Relational expression: 0 < during f4/f5, contributes to reducing system sensitivity and produces with reducing spherical aberration.
The radius of curvature of the 5th lens thing side is R9, and the radius of curvature of the 5th lens image side surface is R10.When
This imaging lens systems meets following relationship :-1.0 < (R9-R10)/(R9+R10) and < when 0, contributes to reducing astigmatism
Generation to maintain good image quality.
The focal length of this imaging lens systems is f, and the maximum image height of this imaging lens systems is ImgH (the i.e. photosensitive unit of electronics
The half of part effective sensing region diagonal line length).When this imaging lens systems meets following relationship: 2.1 < f/ImgH <
When 6.0, can help to the miniaturization of system, and obtain good image quality.
Between 3rd lens and the 4th lens, the distance on optical axis is T34, and the 3rd surface, lens image side is maximum
The distance being parallel to optical axis between effective radius position and the 4th lens thing side surface maximum effective radius position is
ET34.When this imaging lens systems meets following relationship: 2.0 < during T34/ET34, it is different to be in harmonious proportion off-axis visual field
Light path configuration between light and light angle, with modified off-axis aberration.Refer to Figure 11, the imaging that the invention discloses
In lens systems, ET34 is the 3rd lens L3) maximum effective radius position, surface, image side and the 4th lens L4) thing side table
The distance of optical axis it is parallel between maximum effective radius position, face.Wherein, the 3rd lens L3 and the 4th lens L4 it
Between distance on optical axis be T34.
In the refractive index of these first lens, these second lens, the 3rd lens, the 4th lens and the 5th lens
Largest refractive index is Nmax.When this imaging lens systems meets following relationship: 1.50 < Nmax < when 1.70, can
Contribute to appropriately configured eyeglass material, and promote the degree of freedom of design.
Between thing side and an imaging surface of these the first lens, the distance on optical axis is TL, this imaging lens systems
Focal length is f.When this imaging lens systems meets following relationship: 0.75 < TL/f < when 1.0, can pursue miniaturization
Meanwhile, also can effectively control angular field of view, to meet polyfunctional photography demand.
In this imaging lens systems, the half at maximum visual angle is HFOV.When this imaging lens systems meets following relationship
< when 1.0, carefully portion's image is in imaging surface, to reach effect of looking in the distance can beneficially to obtain distant place for formula: 0.3 < tan (2*HFOV)
Really.
Between thing side and an imaging surface of these the first lens, the distance on optical axis is TL.When this imaging lens systems
Meet following relationship: TL and < during 7.5mm, the demand of miniaturization can be met.
The abbe number of these the second lens is V2, and the abbe number of the 3rd lens is V3, the dispersion of these the first lens
Coefficient is V1.When this imaging lens systems meets following relationship: 0.5 < (V2+V3)/V1 < when 1.0, can be effective
Update the system aberration, to promote image quality.
The radius of curvature of the 5th lens image side surface is R10, and the radius of curvature of the 4th lens image side surface is R8.When
This imaging lens systems meets following relationship :-0.2 < R10/R8 < when 0.9, can suppression system veiling glare, simultaneously
Also can be effectively burnt, to meet the demand of miniaturization after control system.
The maximum image height of this imaging lens systems is ImgH, and the entrance pupil aperture of this imaging lens systems is EPD.When this
Imaging lens systems meets following relationship: 0.7 < EPD/ImgH < when 1.6, it is possible to provide sufficient incident light quantity, and
Be conducive to maintaining the miniaturization of this imaging lens systems, to be equipped on frivolous portable electronic product.
In the imaging lens systems that the invention discloses, the material of lens can be glass or plastics, if the material of lens is glass
Glass, then can increase the degree of freedom of this imaging lens systems refracting power configuration, if lens material is plastics, then can have
Effect reduces production cost.Additionally, aspheric surface (ASP) can be arranged on minute surface, aspheric surface can easily be fabricated to sphere
Shape in addition, it is thus achieved that more controlled variable, in order to cut down aberration, and then the number that reduction lens use, therefore
Can effectively reduce the total length of imaging lens systems of the present invention.
In the imaging lens systems that the invention discloses, can at least provided with a diaphragm, as aperture diaphragm (Aperture Stop),
Credit light diaphragm (Glare Stop) or field stop (Field Stop) etc., contribute to reducing veiling glare to promote image quality.
In the imaging lens systems that the invention discloses, aperture configuration can be preposition or in put, preposition aperture implies that aperture sets
Be placed between object and this first lens, in put aperture and then represent that aperture is arranged between this first lens and imaging surface, front
Putting aperture can make the outgoing pupil (Exit Pupil) of imaging lens systems produce longer distance with imaging surface, is allowed to have remote
The heart (Telecentric) effect, can increase sense electronics optical element such as CCD or CMOS and receive the efficiency of image；In put light
Circle then contributes to the angle of visual field of expansion system, makes imaging lens systems have the advantage of wide-angle lens.
In the imaging lens systems that the invention discloses, if lens surface is convex surface and when not defining this convex surface position, then table
Show that this lens surface is convex surface at dipped beam axle；If lens surface is concave surface and when not defining this concave surface position, then it represents that
This lens surface is concave surface at dipped beam axle.If the refracting power of lens or focal length do not define its regional location, then it represents that
The refracting power of these lens or focal length are lens refracting power at dipped beam axle or focal length.
In the imaging lens systems that the invention discloses, the imaging surface (Image Surface) of this imaging lens systems, according to it
The difference of corresponding sense electronics optical element, can be a plane or the curved surface having arbitrary curvature, particularly relates to concave surface towards toward thing
Side to curved surface.
The more visual demand of imaging lens systems that the invention discloses is applied in the optical system of mobile focusing, and with
Excellent lens error correction and the characteristic of good image quality.The present invention also can many-side be applied to 3D (three-dimensional) image capturing,
Digital camera, mobile device, digital flat, intelligent television, network monitoring device, somatic sensation television game machine, driving recording
In the electronic installations such as device, reversing developing unit and Wearable device.
The present invention more provides a kind of image-taking device, and it comprises aforementioned imaging lens systems and a sense electronics optical element, should
Sense electronics optical element is arranged at the imaging surface of this imaging lens systems, and therefore image-taking device can be by imaging lens systems
Design reaches optimal imaging effect.It is preferred that this imaging lens systems can further include lens barrel (Barrel Member),
Support device (Holder Member) or a combination thereof.
Refer to Figure 12 A, Figure 12 B, Figure 12 C, this image-taking device 1201 can be equipped on electronic installation, and it includes,
But it is not limited to: smart mobile phone 1210, panel computer 1220 or Wearable device 1230.Before only take off electronic installation
It is the practice example of the image-taking device that the present invention is exemplarily described, and the fortune of the image-taking device of the unrestricted present invention
Use scope.It is preferred that this electronic installation can further include control unit (Control Units), display unit (Display
Units), memory element (Storage Units), temporary storage unit (RAM) or a combination thereof.
The image-taking device that the invention discloses and imaging lens systems will coordinate institute's accompanying drawings to give by specific examples below
To describe in detail.
" first embodiment "
First embodiment of the invention refers to Figure 1A, and the aberration curve of first embodiment refers to Figure 1B.First implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 180, this imaging eyeglass system
System is main by five first lens the 110, second lens the 120, the 3rd lens the 130, the 4th lens with refracting power
140 and the 5th lens 150 constitute, it is sequentially comprised to image side by thing side:
One first lens 110 with positive refracting power, its material is plastics, and its thing side 111 is convex at dipped beam axle
Face, its image side surface 112 is concave surface at dipped beam axle, and its thing side 111 and image side surface 112 are all aspheric surface；
One second lens 120 with negative refracting power, its material is plastics, and its thing side 121 is recessed at dipped beam axle
Face, its image side surface 122 is concave surface at dipped beam axle, and its thing side 121 and image side surface 122 are all aspheric surface；
One the 3rd lens 130 with positive refracting power, its material is plastics, and its thing side 131 is convex at dipped beam axle
Face, its image side surface 132 is concave surface at dipped beam axle, and its thing side 131 and image side surface 132 are all aspheric surface, and its
Image side surface 132 has at least one point of inflexion；
One the 4th lens 140 with negative refracting power, its material is plastics, and its thing side 141 is recessed at dipped beam axle
Face, its image side surface 142 is convex surface at dipped beam axle, and its thing side 141 and image side surface 142 are all aspheric surface；And
One the 5th lens 150 with negative refracting power, its material is plastics, and its thing side 151 is recessed at dipped beam axle
Face, its image side surface 152 is convex surface at dipped beam axle, and its thing side 151 and image side surface 152 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 100, and it is arranged between object and this first lens 110, and
Without having the lens of refracting power between this aperture 100 and this first lens 110；Additionally comprise an infrared ray and filter optical filtering
Element 160 is placed between the 5th lens 150 and an imaging surface 170, and its material is glass and does not affect focal length；This electricity
Sub-photo-sensitive cell 180 is arranged on this imaging surface 170.
The detailed optical data of first embodiment as shown in Table 1, its aspherical surface data as shown in Table 2, radius of curvature,
The unit of thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein:
X: in aspheric surface, distance optical axis is the point of Y, its be tangential on the tangent plane on summit on aspheric surface optical axis relative away from
From；
Y: the point in aspheric curve and the vertical dimension of optical axis；
R: radius of curvature；
K: conical surface coefficient；
Ai: the i-th rank asphericity coefficient.
In first embodiment, the focal length of this imaging lens systems is f, and the f-number of this imaging lens systems is Fno,
In this imaging lens systems, the half at maximum visual angle is HFOV, this first lens 110 in this imaging lens systems, should
In the refractive index of the second lens the 120, the 3rd lens the 130, the 4th lens 140 and the 5th lens 150
Largest refractive index is Nmax, and its numerical value is: f=5.70 (millimeter), and Fno=2.82, HFOV=21.0 (spend),
Tan (2*HFOV)=0.900, Nmax=1.650.
In first embodiment, the abbe number of these the first lens 110 is V1, the abbe number of these the second lens 120
For V2, the abbe number of the 3rd lens 130 is V3, and its relational expression is: (V2+V3)/V1=0.77.
In first embodiment, the 3rd lens 130 thickness on optical axis is CT3, the 3rd lens 130 with this
Between four lens 140, the distance on optical axis is T34, and its relational expression is: CT3/T34=0.79.
In first embodiment, between the 3rd lens 130 and the 4th lens 140, the distance on optical axis is T34,
3rd maximum effective radius position, surface, lens 130 image side and the 4th lens 140 thing side surface maximum effective radius
The distance being parallel to optical axis between position is ET34, and its relational expression is: T34/ET34=2.49.
In first embodiment, between these the second lens 120 and the 3rd lens 130, the distance on optical axis is T23,
Between 4th lens 140 and the 5th lens 150, the distance on optical axis is T45, the 3rd lens 130 with should
Between 4th lens 140, the distance on optical axis is T34, and its relational expression is: (T23+T45)/T34=2.58.
In first embodiment, the focal length of this imaging lens systems is f, the radius of curvature of this first lens 110 thing side
For R1, its relational expression is: f/R1=4.01.
In first embodiment, the focal length of this imaging lens systems is f, the radius of curvature of the 4th lens 140 image side surface
For R8, its relational expression is: f/R8=-0.42.
In first embodiment, the radius of curvature of the 5th lens 150 image side surface is R10, the 4th saturating 140 image side
The radius of curvature in face is R8, and its relational expression is: R10/R8=0.77.
In first embodiment, the radius of curvature of the 5th lens 150 thing side is R9, the 5th lens 150 image side
The radius of curvature in face is R10, and its relational expression is: (R9-R10)/(R9+R10)=-0.60.
In first embodiment, the focal length of the 4th lens 140 is f4, and the focal length of the 5th lens 150 is f5, its
Relational expression is: f4/f5=2.23.
In first embodiment, this aperture to the 5th lens 150 image side surface distance on optical axis is SD, and this is first years old
Lens 110 thing side is TD to the 5th lens 150 image side surface distance on optical axis, and its relational expression is: SD/TD
=0.90.
In first embodiment, the focal length of this imaging lens systems is f, and the maximum image height of this imaging lens systems is ImgH,
Its relational expression is: f/ImgH=2.56.
In first embodiment, the entrance pupil aperture of this imaging lens systems is EPD, the maximum picture of this imaging lens systems
A height of ImgH, its relational expression is: EPD/ImgH=0.91.
In first embodiment, between thing side 111 and this imaging surface 170 of these the first lens, the distance on optical axis is
TL, the focal length of this imaging lens systems is f, and its relational expression is: TL/f=0.90.
In first embodiment, between thing side 111 and this imaging surface 170 of these the first lens, the distance on optical axis is
TL, its numerical value is: TL=5.15 (millimeter).
" the second embodiment "
Second embodiment of the invention refers to Fig. 2 A, and the aberration curve of the second embodiment refers to Fig. 2 B.Second implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 280, this imaging eyeglass system
System is main by five first lens the 210, second lens the 220, the 3rd lens the 230, the 4th lens with refracting power
240 and the 5th lens 250 constitute, it is sequentially comprised to image side by thing side:
One first lens 210 with positive refracting power, its material is plastics, and its thing side 211 is convex at dipped beam axle
Face, its image side surface 212 is concave surface at dipped beam axle, and its thing side 211 and image side surface 212 are all aspheric surface；
One second lens 220 with negative refracting power, its material is plastics, and its thing side 221 is convex at dipped beam axle
Face, its image side surface 222 is concave surface at dipped beam axle, and its thing side 221 and image side surface 222 are all aspheric surface；
One the 3rd lens 230 with positive refracting power, its material is plastics, and its thing side 231 is recessed at dipped beam axle
Face, its image side surface 232 is convex surface at dipped beam axle, and its thing side 231 and image side surface 232 are all aspheric surface, and its
Thing side 231 and image side surface 232 all have at least one point of inflexion；
One the 4th lens 240 with negative refracting power, its material is plastics, and its thing side 241 is recessed at dipped beam axle
Face, its image side surface 242 is concave surface at dipped beam axle, and its thing side 241 and image side surface 242 are all aspheric surface；And
One the 5th lens 250 with negative refracting power, its material is plastics, and its thing side 251 is recessed at dipped beam axle
Face, its image side surface 252 is convex surface at dipped beam axle, and its thing side 251 and image side surface 252 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 200, and it is placed between an object and this first lens 210, and
Without having the lens of refracting power between this aperture 200 and this first lens 210；Additionally comprise an infrared ray and filter optical filtering
Element 260 is placed between the 5th lens 250 and an imaging surface 270, and its material is glass and does not affect focal length；This electricity
Sub-photo-sensitive cell 280 is arranged on this imaging surface 270.
The detailed optical data of second embodiment as shown in Table 3, its aspherical surface data as shown in Table 4, radius of curvature,
The unit of thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of second embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table five.
" the 3rd embodiment "
Third embodiment of the invention refers to Fig. 3 A, and the aberration curve of the 3rd embodiment refers to Fig. 3 B.3rd implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 380, this imaging eyeglass system
System is main by five first lens the 310, second lens the 320, the 3rd lens the 330, the 4th lens with refracting power
340 and the 5th lens 350 constitute, it is sequentially comprised to image side by thing side:
One first lens 310 with positive refracting power, its material is plastics, and its thing side 311 is convex at dipped beam axle
Face, its image side surface 312 is convex surface at dipped beam axle, and its thing side 311 and image side surface 312 are all aspheric surface；
One second lens 320 with negative refracting power, its material is plastics, and its thing side 321 is recessed at dipped beam axle
Face, its image side surface 322 is concave surface at dipped beam axle, and its thing side 321 and image side surface 322 are all aspheric surface；
One the 3rd lens 330 with positive refracting power, its material is plastics, and its thing side 331 is convex at dipped beam axle
Face, its image side surface 332 is concave surface at dipped beam axle, and its thing side 331 and image side surface 332 are all aspheric surface, and its
Image side surface 332 has at least one point of inflexion；
One the 4th lens 340 with negative refracting power, its material is plastics, and its thing side 341 is recessed at dipped beam axle
Face, its image side surface 342 is convex surface at dipped beam axle, and its thing side 341 and image side surface 342 are all aspheric surface；And
One the 5th lens 350 with negative refracting power, its material is plastics, and its thing side 351 is recessed at dipped beam axle
Face, its image side surface 352 is convex surface at dipped beam axle, and its thing side 351 and image side surface 352 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 300, and it is placed in these first lens 310 and these second lens 320
Between, and without having the lens of refracting power between this aperture 300 and this first lens 310；Additionally comprise an infrared ray filter
Except filter element 360 is placed between the 5th lens 350 and an imaging surface 370, its material is glass and does not affect focal length；
This sense electronics optical element 380 is arranged on this imaging surface 370.
The detailed optical data of 3rd embodiment as shown in Table 6, its aspherical surface data as shown in Table 7, radius of curvature,
The unit of thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of 3rd embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table eight.
" the 4th embodiment "
Fourth embodiment of the invention refers to Fig. 4 A, and the aberration curve of the 4th embodiment refers to Fig. 4 B.4th implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 480, this imaging eyeglass system
System is main by five first lens the 410, second lens the 420, the 3rd lens the 430, the 4th lens with refracting power
440 and the 5th lens 450 constitute, it is sequentially comprised to image side by thing side:
One first lens 410 with positive refracting power, its material is plastics, and its thing side 411 is convex at dipped beam axle
Face, its image side surface 412 is concave surface at dipped beam axle, and its thing side 411 and image side surface 412 are all aspheric surface；
One second lens 420 with negative refracting power, its material is plastics, and its thing side 421 is recessed at dipped beam axle
Face, its image side surface 422 is concave surface at dipped beam axle, and its thing side 421 and image side surface 422 are all aspheric surface；
One the 3rd lens 430 with positive refracting power, its material is plastics, and its thing side 431 is convex at dipped beam axle
Face, its image side surface 432 is convex surface at dipped beam axle, and its thing side 431 and image side surface 432 are all aspheric surface, and its
Image side surface 432 has at least one point of inflexion；
One the 4th lens 440 with negative refracting power, its material is plastics, and its thing side 441 is recessed at dipped beam axle
Face, its image side surface 442 is convex surface at dipped beam axle, and its thing side 441 and image side surface 442 are all aspheric surface；And
One the 5th lens 450 with negative refracting power, its material is plastics, and its thing side 451 is recessed at dipped beam axle
Face, its image side surface 452 is convex surface at dipped beam axle, and its thing side 451 and image side surface 452 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 400, and it is placed between an object and this first lens 410, and
Without having the lens of refracting power between this aperture 400 and this first lens 410；Additionally comprise an infrared ray and filter optical filtering
Element 460 is placed between the 5th lens 450 and an imaging surface 470, and its material is glass and does not affect focal length；This electricity
Sub-photo-sensitive cell 480 is arranged on this imaging surface 470.
The detailed optical data of 4th embodiment as shown in Table 9, its aspherical surface data as shown in Table 10, radius of curvature,
The unit of thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of 4th embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table 11.
" the 5th embodiment "
Fifth embodiment of the invention refers to Fig. 5 A, and the aberration curve of the 5th embodiment refers to Fig. 5 B.5th implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 580, this imaging eyeglass system
System is main by five first lens the 510, second lens the 520, the 3rd lens the 530, the 4th lens with refracting power
540 and the 5th lens 550 constitute, it is sequentially comprised to image side by thing side:
One first lens 510 with positive refracting power, its material is plastics, and its thing side 511 is convex at dipped beam axle
Face, its image side surface 512 is convex surface at dipped beam axle, and its thing side 511 and image side surface 512 are all aspheric surface；
One second lens 520 with negative refracting power, its material is plastics, and its thing side 521 is recessed at dipped beam axle
Face, its image side surface 522 is concave surface at dipped beam axle, and its thing side 521 and image side surface 522 are all aspheric surface；
One the 3rd lens 530 with positive refracting power, its material is plastics, and its thing side 531 is convex at dipped beam axle
Face, its image side surface 532 is concave surface at dipped beam axle, and its thing side 531 and image side surface 532 are all aspheric surface, and its
Image side surface 532 has at least one point of inflexion；
One the 4th lens 540 with negative refracting power, its material is plastics, and its thing side 541 is recessed at dipped beam axle
Face, its image side surface 542 is concave surface at dipped beam axle, and its thing side 541 and image side surface 542 are all aspheric surface；And
One the 5th lens 550 with negative refracting power, its material is plastics, and its thing side 551 is recessed at dipped beam axle
Face, its image side surface 552 is convex surface at dipped beam axle, and its thing side 551 and image side surface 552 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 500, and it is placed in these first lens 510 and these second lens 520
Between, and without having the lens of refracting power between this aperture 500 and this first lens 510；Additionally comprise an infrared ray filter
Except filter element 560 is placed between the 5th lens 550 and an imaging surface 570, its material is glass and does not affect focal length；
This sense electronics optical element 580 is arranged on this imaging surface 570.
The detailed optical data of 5th embodiment as shown in table 12, its aspherical surface data as shown in table 13, curvature half
The unit of footpath, thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of 5th embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table 14.
" sixth embodiment "
Sixth embodiment of the invention refers to Fig. 6 A, and the aberration curve of sixth embodiment refers to Fig. 6 B.6th implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 680, this imaging eyeglass system
System is main by five first lens the 610, second lens the 620, the 3rd lens the 630, the 4th lens with refracting power
640 and the 5th lens 650 constitute, it is sequentially comprised to image side by thing side:
One first lens 610 with positive refracting power, its material is plastics, and its thing side 611 is convex at dipped beam axle
Face, its image side surface 612 is concave surface at dipped beam axle, and its thing side 611 and image side surface 612 are all aspheric surface；
One second lens 620 with negative refracting power, its material is plastics, and its thing side 621 is convex at dipped beam axle
Face, its image side surface 622 is concave surface at dipped beam axle, and its thing side 621 and image side surface 622 are all aspheric surface；
One the 3rd lens 630 with negative refracting power, its material is plastics, and its thing side 631 is convex at dipped beam axle
Face, its image side surface 632 is concave surface at dipped beam axle, and its thing side 631 and image side surface 632 are all aspheric surface, and its
Image side surface 632 has at least one point of inflexion；
One the 4th lens 640 with negative refracting power, its material is plastics, and its thing side 641 is recessed at dipped beam axle
Face, its image side surface 642 is convex surface at dipped beam axle, and its thing side 641 and image side surface 642 are all aspheric surface；And
One the 5th lens 650 with negative refracting power, its material is plastics, and its thing side 651 is recessed at dipped beam axle
Face, its image side surface 652 is convex surface at dipped beam axle, and its thing side 651 and image side surface 652 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 600, and it is placed between an object and this first lens 610, and
Without having the lens of refracting power between this aperture 600 and this first lens 610；Additionally comprise an infrared ray and filter optical filtering
Element 660 is placed between the 5th lens 650 and an imaging surface 670, and its material is glass and does not affect focal length；This electricity
Sub-photo-sensitive cell 680 is arranged on this imaging surface 670.
The detailed optical data of sixth embodiment as shown in table 15, its aspherical surface data as shown in table 16, curvature half
The unit of footpath, thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of sixth embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table 17.
" the 7th embodiment "
Seventh embodiment of the invention refers to Fig. 7 A, and the aberration curve of the 7th embodiment refers to Fig. 7 B.7th implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 780, this imaging eyeglass system
System is main by five first lens the 710, second lens the 720, the 3rd lens the 730, the 4th lens with refracting power
740 and the 5th lens 750 constitute, it is sequentially comprised to image side by thing side:
One first lens 710 with positive refracting power, its material is plastics, and its thing side 711 is convex at dipped beam axle
Face, its image side surface 712 is concave surface at dipped beam axle, and its thing side 711 and image side surface 712 are all aspheric surface；
One second lens 720 with negative refracting power, its material is plastics, and its thing side 721 is convex at dipped beam axle
Face, its image side surface 722 is concave surface at dipped beam axle, and its thing side 721 and image side surface 722 are all aspheric surface；
One the 3rd lens 730 with negative refracting power, its material is plastics, and its thing side 731 is convex at dipped beam axle
Face, its image side surface 732 is concave surface at dipped beam axle, and its thing side 731 and image side surface 732 are all aspheric surface；
One the 4th lens 740 with positive refracting power, its material is plastics, and its thing side 741 is convex at dipped beam axle
Face, its image side surface 742 is convex surface at dipped beam axle, and its thing side 741 and image side surface 742 are all aspheric surface；And
One the 5th lens 750 with negative refracting power, its material is plastics, and its thing side 751 is recessed at dipped beam axle
Face, its image side surface 752 is convex surface at dipped beam axle, and its thing side 751 and image side surface 752 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 700, and it is placed between an object and this first lens 710, and
Without having the lens of refracting power between this aperture 700 and this first lens 710；Additionally comprise an infrared ray and filter optical filtering
Element 760 is placed between the 5th lens 750 and an imaging surface 770, and its material is glass and does not affect focal length；This electricity
Sub-photo-sensitive cell 780 is arranged on this imaging surface 770.
The detailed optical data of 7th embodiment as shown in table 18, its aspherical surface data as shown in table 19, curvature half
The unit of footpath, thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of 7th embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table 20.
" the 8th embodiment "
Eighth embodiment of the invention refers to Fig. 8 A, and the aberration curve of the 8th embodiment refers to Fig. 8 B.8th implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 880, this imaging eyeglass system
System is main by five first lens the 810, second lens the 820, the 3rd lens the 830, the 4th lens with refracting power
840 and the 5th lens 850 constitute, it is sequentially comprised to image side by thing side:
One first lens 810 with positive refracting power, its material is plastics, and its thing side 811 is convex at dipped beam axle
Face, its image side surface 812 is concave surface at dipped beam axle, and its thing side 811 and image side surface 812 are all aspheric surface；
One second lens 820 with negative refracting power, its material is plastics, and its thing side 821 is convex at dipped beam axle
Face, its image side surface 822 is concave surface at dipped beam axle, and its thing side 821 and image side surface 822 are all aspheric surface；
One the 3rd lens 830 with positive refracting power, its material is plastics, and its thing side 831 is convex at dipped beam axle
Face, its image side surface 832 is concave surface at dipped beam axle, and its thing side 831 and image side surface 832 are all aspheric surface, and
Its image side surface 832 has at least one point of inflexion；
One the 4th lens 840 with negative refracting power, its material is plastics, and its thing side 841 is recessed at dipped beam axle
Face, its image side surface 842 is convex surface at dipped beam axle, and its thing side 841 and image side surface 842 are all aspheric surface；And
One the 5th lens 850 with negative refracting power, its material is plastics, and its thing side 851 is recessed at dipped beam axle
Face, its image side surface 852 is convex surface at dipped beam axle, and its thing side 851 and image side surface 852 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 800, and it is placed between an object and this first lens 810, and
Without having the lens of refracting power between this aperture 800 and this first lens 810；Additionally comprise an infrared ray and filter optical filtering
Element 860 is placed between the 5th lens 850 and an imaging surface 870, and its material is glass and does not affect focal length；This electricity
Sub-photo-sensitive cell 880 is arranged on this imaging surface 870.
The detailed optical data of 8th embodiment is as shown in table 21, and its aspherical surface data is as shown in table 22, bent
The unit of rate radius, thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of 8th embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table 23.
" the 9th embodiment "
Ninth embodiment of the invention refers to Fig. 9 A, and the aberration curve of the 9th embodiment refers to Fig. 9 B.9th implements
The image-taking device of example comprises an imaging lens systems (another label) and a sense electronics optical element 980, this imaging eyeglass system
System is main by five first lens the 910, second lens the 920, the 3rd lens the 930, the 4th lens with refracting power
940 and the 5th lens 950 constitute, it is sequentially comprised to image side by thing side:
One first lens 910 with positive refracting power, its material is plastics, and its thing side 911 is convex at dipped beam axle
Face, its image side surface 912 is convex surface at dipped beam axle, and its thing side 911 and image side surface 912 are all aspheric surface；
One second lens 920 with negative refracting power, its material is plastics, and its thing side 921 is recessed at dipped beam axle
Face, its image side surface 922 is concave surface at dipped beam axle, and its thing side 921 and image side surface 922 are all aspheric surface；
One the 3rd lens 930 with positive refracting power, its material is plastics, and its thing side 931 is convex at dipped beam axle
Face, its image side surface 932 is convex surface at dipped beam axle, and its thing side 931 and image side surface 932 are all aspheric surface, and its
Thing side 931 and image side surface 932 all have at least one point of inflexion；
One the 4th lens 940 with negative refracting power, its material is plastics, and its thing side 941 is recessed at dipped beam axle
Face, its image side surface 942 is convex surface at dipped beam axle, and its thing side 941 and image side surface 942 are all aspheric surface；And
One the 5th lens 950 with negative refracting power, its material is plastics, and its thing side 951 is recessed at dipped beam axle
Face, its image side surface 952 is convex surface at dipped beam axle, and its thing side 951 and image side surface 952 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 900, and it is placed in these first lens 910 and these second lens 920
Between, and without having the lens of refracting power between this aperture 900 and this first lens 910；Additionally comprise an infrared ray filter
Except filter element 960 is placed between the 5th lens 950 and an imaging surface 970, its material is glass and does not affect focal length；
This sense electronics optical element 980 is arranged on this imaging surface 970.
The detailed optical data of 9th embodiment is as shown in table 24, and its aspherical surface data is as shown in table 25, bent
The unit of rate radius, thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of 9th embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table 26.
" the tenth embodiment "
Tenth embodiment of the invention refers to Figure 10 A, and the aberration curve of the tenth embodiment refers to Figure 10 B.Tenth is real
The image-taking device executing example comprises an imaging lens systems (not another label) and a sense electronics optical element 1080, this imaging eyeglass
System is mainly by five first lens the 1010, second lens the 1020, the 3rd lens the 1030, the 4th with refracting power
Lens 1040 and the 5th lens 1050 are constituted, and it is sequentially comprised to image side by thing side:
One first lens 1010 with positive refracting power, its material is plastics, and its thing side 1011 is at dipped beam axle
Convex surface, its image side surface 1012 is convex surface at dipped beam axle, and its thing side 1011 and image side surface 1012 are all aspheric
Face；
One second lens 1020 with negative refracting power, its material is plastics, and its thing side 1021 is at dipped beam axle
Concave surface, its image side surface 1022 is concave surface at dipped beam axle, and its thing side 1021 and image side surface 1022 are all aspheric
Face；
One the 3rd lens 1030 with positive refracting power, its material is plastics, and its thing side 1031 is at dipped beam axle
Convex surface, its image side surface 1032 is convex surface at dipped beam axle, and its thing side 1031 and image side surface 1032 are all aspheric
Face, and its thing side 1031 and image side surface 1032 all have at least one point of inflexion；
One the 4th lens 1040 with negative refracting power, its material is plastics, and its thing side 1041 is at dipped beam axle
Concave surface, its image side surface 1042 is convex surface at dipped beam axle, and its thing side 1041 and image side surface 1042 are all aspheric
Face；And
One the 5th lens 1050 with negative refracting power, its material is plastics, and its thing side 1051 is at dipped beam axle
Concave surface, its image side surface 1052 is convex surface at dipped beam axle, and its thing side 1051 and image side surface 1052 are all aspheric surface；
This imaging lens systems is separately provided with an aperture 1000, and it is placed in these first lens 1010 and these second lens
Between 1020, and without having the lens of refracting power between this aperture 1000 and this first lens 1010；Additionally comprise one
Infrared ray filters filter element 1060 and is placed between the 5th lens 1050 and an imaging surface 1070, and its material is glass
And do not affect focal length；This sense electronics optical element 1080 is arranged on this imaging surface 1070.
The detailed optical data of tenth embodiment is as shown in table 27, and its aspherical surface data is as shown in table 28, bent
The unit of rate radius, thickness and focal length is millimeter, and HFOV is defined as the half at maximum visual angle.
Representing such as the form of first embodiment of tenth embodiment aspheric curve equation.Additionally, each relational expression
Parameter explained such as first embodiment, but listed by the numerical value of each relational expression such as table 29.
Table one to table 29 show the different change in value tables of the imaging eyeglass system embodiment that the invention discloses, so
The change in value of each embodiment of the present invention is the most true tests gained, even if using different numerical value, mutually isostructural product is still
Should belong to the protection category that the invention discloses, thus described by above explanation and graphic be only used as exemplary, be not used to
Limit the right that the invention discloses.
Claims (25)
1. an imaging lens systems, it is characterised in that sequentially comprised to image side by thing side:
One first lens, have positive refracting power, and its thing side is convex surface；
One second lens, have negative refracting power；
One the 3rd lens, have refracting power, and its thing side and image side surface are all aspheric surface；
One the 4th lens, have refracting power, and its thing side and image side surface are all aspheric surface；And
One the 5th lens, have negative refracting power, and its thing side is concave surface, and its image side surface is convex surface, its thing side and picture
Side is all aspheric surface；
Wherein, this imaging lens systems is separately provided with between an aperture, and this aperture and this first lens without having refracting power
Lens；
Wherein, the lens having refracting power in this imaging lens systems are five；
Wherein, these first lens, these second lens, the 3rd lens, the 4th lens are adjacent with the 5th lens
All there is between mirror on optical axis an airspace；
The focal length of this imaging lens systems is f, and the radius of curvature of this first lens thing side is R1, the 4th lens picture
The radius of curvature of side is R8, and this aperture to the 5th lens image side surface distance on optical axis is SD, and this is first saturating
Mirror thing side is TD to the 5th lens image side surface distance on optical axis, between these the second lens and the 3rd lens
Distance on optical axis is T23, and between the 4th lens and the 5th lens, the distance on optical axis is T45, and this is years old
Between three lens and the 4th lens, the distance on optical axis is T34, meets following relationship:
3.3<f/R1；
-1.8<f/R8<1.8；
0.7<SD/TD<1.0；And
0.5<(T23+T45)/T34<6.0。
2. imaging lens systems as claimed in claim 1, it is characterised in that the 4th lens have negative refracting power,
The focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, meets following relationship:
0<f4/f5。
3. imaging lens systems as claimed in claim 1, it is characterised in that this second lens image side surface is concave surface,
3rd lens have positive refracting power, and the focal length of this imaging lens systems is f, the curvature of the 4th lens image side surface half
Footpath is R8, meets following relationship:
-1.4<f/R8<1.4。
4. imaging lens systems as claimed in claim 1, it is characterised in that the 4th lens image side surface is convex surface.
5. imaging lens systems as claimed in claim 1, it is characterised in that the 4th lens thing side is concave surface,
The radius of curvature of the 5th lens thing side is R9, and the radius of curvature of the 5th lens image side surface is R10, under meeting
Row relational expression:
-1.0<(R9-R10)/(R9+R10)<0。
6. imaging lens systems as claimed in claim 1, it is characterised in that the focal length of this imaging lens systems is
F, the maximum image height of this imaging lens systems is ImgH, meets following relationship:
2.1<f/ImgH<6.0。
7. imaging lens systems as claimed in claim 1, it is characterised in that the 3rd lens and the 4th lens
Between distance on optical axis be T34, the 3rd maximum effective radius position, surface, lens image side and the 4th lens thing
The distance being parallel to optical axis between side surface maximum effective radius position is ET34, meets following relationship:
2.0<T34/ET34。
8. imaging lens systems as claimed in claim 1, it is characterised in that these first lens, these second lens,
Largest refractive index in the refractive index of the 3rd lens, the 4th lens and the 5th lens is Nmax, meets following
Relational expression:
1.50<Nmax<1.70。
9. imaging lens systems as claimed in claim 1, it is characterised in that these second lens and the 3rd lens
Between distance on optical axis be T23, between the 4th lens and the 5th lens, the distance on optical axis is T45,
Between 3rd lens and the 4th lens, the distance on optical axis is T34, meets following relationship:
2.3<(T23+T45)/T34<5.5。
10. imaging lens systems as claimed in claim 1, it is characterised in that the thing side and of these the first lens
Between imaging surface, the distance on optical axis is TL, and the focal length of this imaging lens systems is f, meets following relationship:
0.75<TL/f<1.0。
11. imaging lens systemses as claimed in claim 1, it is characterised in that these first lens, these second lens,
The material of the 3rd lens, the 4th lens and the 5th lens is all plastics, maximum visual angle in this imaging lens systems
Half be HFOV, meet following relationship:
0.3<tan(2*HFOV)<1.0。
12. imaging lens systemses as claimed in claim 1, it is characterised in that the 3rd lens thing side and image side
In face, at least one surface is provided with at least one point of inflexion, between thing side and an imaging surface of these the first lens on optical axis
Distance is TL, meets following relationship:
TL<7.5mm。
13. 1 kinds of image-taking devices, it is characterised in that comprise imaging lens systems as claimed in claim 1 and an electricity
Sub-photo-sensitive cell.
14. 1 kinds of electronic installations, it is characterised in that comprise image-taking device as claimed in claim 13.
15. 1 kinds of imaging lens systemses, it is characterised in that sequentially comprised to image side by thing side:
One first lens, have positive refracting power, and its thing side is convex surface；
One second lens, have negative refracting power；
One the 3rd lens, have refracting power, and its thing side and image side surface are all aspheric surface；
One the 4th lens, have refracting power, and its thing side and image side surface are all aspheric surface；And
One the 5th lens, have negative refracting power, and its thing side is concave surface, and its image side surface is convex surface, its thing side and picture
Side is all aspheric surface；
Wherein, this imaging lens systems is separately provided with between an aperture, and this aperture and this first lens without having refracting power
Lens；
Wherein, the lens having refracting power in this imaging lens systems are five；
Wherein, these first lens, these second lens, the 3rd lens, the 4th lens and the 5th lens are adjacent
All there is between mirror on optical axis an airspace；
The focal length of this imaging lens systems is f, and the radius of curvature of this first lens thing side is R1, the 4th lens picture
The radius of curvature of side is R8, and this aperture to the 5th lens image side surface distance on optical axis is SD, and this is first saturating
Mirror thing side is TD to the 5th lens image side surface distance on optical axis, and the 3rd lens thickness on optical axis is
CT3, between the 3rd lens and the 4th lens, the distance on optical axis is T34, meets following relationship:
3.3<f/R1；
-1.0<f/R8<1.0；
0.7<SD/TD<1.0；And
0.2<CT3/T34<2.2。
16. imaging lens systemses as claimed in claim 15, it is characterised in that this second lens image side surface is recessed
Face, the 3rd lens have positive refracting power, and the 4th lens have negative refracting power.
17. imaging lens systemses as claimed in claim 15, it is characterised in that the 3rd lens thing side and picture
In side, at least one surface is provided with at least one point of inflexion.
18. imaging lens systemses as claimed in claim 15, it is characterised in that the abbe number of these the second lens
For V2, the abbe number of the 3rd lens is V3, and the abbe number of these the first lens is V1, meets following relationship
Formula:
0.5<(V2+V3)/V1<1.0。
19. imaging lens systemses as claimed in claim 15, it is characterised in that these first lens, this is second saturating
The material of mirror, the 3rd lens, the 4th lens and the 5th lens is all plastics, maximum in this imaging lens systems
The half at visual angle is HFOV, meets following relationship:
0.3<tan(2*HFOV)<1.0。
20. imaging lens systemses as claimed in claim 15, it is characterised in that the 3rd lens are on optical axis
Thickness is CT3, and between the 3rd lens and the 4th lens, the distance on optical axis is T34, meets following relationship:
0.5<CT3/T34<1.9。
21. imaging lens systemses as claimed in claim 15, it is characterised in that the song of the 5th lens image side surface
Rate radius is R10, and the radius of curvature of the 4th lens image side surface is R8, meets following relationship:
-0.2<R10/R8<0.9。
22. imaging lens systemses as claimed in claim 15, it is characterised in that the focal length of this imaging lens systems
For f, the maximum image height of this imaging lens systems is ImgH, meets following relationship:
2.1<f/ImgH<6.0。
23. imaging lens systemses as claimed in claim 15, it is characterised in that the entrance pupil of this imaging lens systems
Aperture is EPD, and the maximum image height of this imaging lens systems is ImgH, meets following relationship:
0.7<EPD/ImgH<1.6。
24. 1 kinds of image-taking devices, it is characterised in that comprise imaging lens systems as claimed in claim 15 and
Sense electronics optical element.
25. 1 kinds of electronic installations, it is characterised in that comprise image-taking device as claimed in claim 24.
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| CN201510209766.5A CN106199931B (en) | 2015-04-29 | 2015-04-29 | Imaging lens system, image-taking device and electronic device |
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| CN201510209766.5A CN106199931B (en) | 2015-04-29 | 2015-04-29 | Imaging lens system, image-taking device and electronic device |
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