CN106291885A - Optical photographic lens group, image-taking device and electronic installation - Google Patents
Optical photographic lens group, image-taking device and electronic installation Download PDFInfo
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- CN106291885A CN106291885A CN201510238759.8A CN201510238759A CN106291885A CN 106291885 A CN106291885 A CN 106291885A CN 201510238759 A CN201510238759 A CN 201510238759A CN 106291885 A CN106291885 A CN 106291885A
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Abstract
The invention discloses a kind of optical photographic lens group, image-taking device and electronic installation.Optical photographic lens group is sequentially comprised the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens by thing side to image side.First lens have positive refracting power, are convex surface at its thing side surface dipped beam axle.Second lens have positive refracting power.3rd lens have negative refracting power.4th lens have negative refracting power.5th lens have refracting power, are concave surface at its surface, image side dipped beam axle, and its off-axis place, surface, image side comprises at least one convex surface, and its thing side surface and surface, image side are all aspheric surface.When a specific condition is satisfied, optical photographic lens group can have large viewing and shorter overall length simultaneously.Invention additionally discloses the image-taking device with above-mentioned optical photographic lens group and the electronic installation with image-taking device.
Description
Technical field
The invention relates to a kind of optical photographic lens group and image-taking device, and should in particular to one
With miniaturized optical photographic lens group on the electronic device and image-taking device.
Background technology
In recent years, along with the rise of the electronic product with camera function, the demand of optical system day by day improves.
The photo-sensitive cell of general optical system nothing more than be photosensitive coupling element (Charge Coupled Device,
Or Complimentary Metal-Oxide semiconductor element (Complementary Metal-Oxide CCD)
Semiconductor Sensor, CMOS Sensor) two kinds, and progressing greatly along with manufacture of semiconductor technology, 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.
Optical system many employings quadruple lenses structure that tradition is equipped on electronic product is main, but due to intelligence
Can mobile phone (Smart Phone) and the high standard mobile device such as tablet PC (Tablet PC) prevailing, drive
The most soaring on pixel and image quality of optical system, it is known that optical system will be unable to meet higher order
Camera chain.
The five chip optical systems though making further progress at present, but because of the configuration of its lens refracting power, it is difficult to
Time meet the demand of large viewing and shorter overall length, and required image quality cannot be provided.
Summary of the invention
The present invention provides a kind of optical photographic lens group, image-taking device and electronic installation, optical photographic lens
First lens and the configuration of the second lens refracting power in group, can allow the light of large viewing enter optical photographic lens
Head group, the first lens is equipped with positive refracting power simultaneously, can effectively suppress overall length, to meet the demand of miniaturization.
Whereby, optical photographic lens group can have large viewing and shorter overall length simultaneously.Additionally, optical photographic lens
In group, the second lens have positive refracting power, and the 4th lens have negative refracting power, and the second lens and the 4th lens are bent
It is too strong that the configuration mode of folding power can avoid that single lens refracting power becomes, and causes what aberration was difficult to revise to ask
Topic.
There is provided a kind of optical photographic lens group according to the present invention, by thing side to image side sequentially comprise the first lens,
Second lens, the 3rd lens, the 4th lens and the 5th lens.First lens have positive refracting power, its thing
It is convex surface at side surface dipped beam axle.Second lens have positive refracting power.3rd lens have negative refracting power.The
Four lens have negative refracting power.5th lens have refracting power, are concave surface at its surface, image side dipped beam axle, its
Off-axis place, surface, image side comprises at least one convex surface, and its thing side surface and surface, image side are all aspheric surface.Optics
The lens in photographic lens group with refracting power are five, wantonly two adjacent saturating in the first lens to the 5th lens
All there is between mirror on optical axis a spacing distance.The focal length of the first lens is f1, and the focal length of the second lens is
F2, it meets following condition:
|f2/f1|<1.0。
Separately provide a kind of image-taking device according to the present invention, comprise aforesaid optical photographic lens group and sense electronics
Optical element, wherein sense electronics optical element is arranged at the imaging surface of optical photographic lens group.
More provide a kind of electronic installation according to the present invention, comprise aforesaid image-taking device.
When | f2/f1 | meets above-mentioned condition, the light of large viewing can be allowed to enter optical photographic lens group, make
The advantage that optical photographic lens group has large viewing.
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 illustrate according to the 3rd lens parameter Sag31 in optical photographic lens group in first embodiment and
The schematic diagram of Sag32；
Figure 18 illustrated according to the showing of the 4th lens parameter Sag42 in optical photographic lens group in first embodiment
It is intended to；
Figure 19 illustrates the schematic diagram of a kind of electronic installation according to ninth embodiment of the invention；
Figure 20 illustrates the schematic diagram of a kind of electronic installation according to tenth embodiment of the invention；And
Figure 21 illustrates the schematic diagram of a kind of electronic installation according to eleventh 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
First lens: 110,210,310,410,510,610,710,810
Thing side surface: 111,211,311,411,511,611,711,811
Surface, image side: 112,212,312,412,512,612,712,812
Second lens: 120,220,320,420,520,620,720,820
Thing side surface: 121,221,321,421,521,621,721,821
Surface, image side: 122,222,322,422,522,622,722,822
3rd lens: 130,230,330,430,530,630,730,830
Thing side surface: 131,231,331,431,531,631,731,831
Surface, image side: 132,232,332,432,532,632,732,832
4th lens: 140,240,340,440,540,640,740,840
Thing side surface: 141,241,341,441,541,641,741,841
Surface, image side: 142,242,342,442,542,642,742,842
5th lens: 150,250,350,450,550,650,750,850
Thing side surface: 151,251,351,451,551,651,751,851
Surface, image side: 152,252,352,452,552,652,752,852
Infrared ray filters filter element: 160,260,360,460,560,660,760,860
Imaging surface: 170,270,370,470,570,670,770,870
Sense electronics optical element: 180,280,380,480,580,680,780,880
F: the focal length of optical photographic lens group
Fno: the f-number of optical photographic lens group
HFOV: the half at maximum visual angle in optical photographic lens group
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
In ATmax: the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens each two
Adjacent lens the maximum in spacing distance on optical axis
In Σ the AT: the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens each two
Adjacent lens are the summation of spacing distance on optical axis
Sag31: the three lens thing side surface intersection point on optical axis has to the maximum of the 3rd lens thing side surface
Effect radial location is in the horizontal displacement distance of optical axis
Sag32: the three surface, lens image side intersection point on optical axis has to the maximum on the 3rd surface, lens image side
Effect radial location is in the horizontal displacement distance of optical axis
Sag42: the four surface, lens image side intersection point on optical axis has to the maximum on the 4th surface, lens image side
Effect radial location is in the horizontal displacement distance of optical axis
The radius of curvature of the R3: the second lens thing side surface
The radius of curvature of the R4: the second surface, lens image side
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 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
Detailed description of the invention
The present invention provides a kind of optical photographic lens group, by thing side to image side sequentially comprise the first lens, second
Lens, the 3rd lens, the 4th lens and the 5th lens, wherein have refracting power in optical photographic lens group
Lens be five.
First lens of optical photographic lens group described in leading portion, the second lens, the 3rd lens, the 4th lens with
And the 5th in lens, between wantonly two adjacent lens, all there is on optical axis a spacing distance, say, that light
Learn photographic lens group and there are five single unbonded lens.Processing procedure relatively non-adhering lens due to cemented lens
Complexity, the especially adhesive surface at two lens need to have the curved surface of high accuracy, in order to reach when two lens bond
High adaptation, and during bonding, it is also possible to cause adaptation the best because of off normal, the overall light of impact
Learn image quality.Therefore, in optical photographic lens group of the present invention, the wantonly two adjacent lens with refracting power
Between there is a spacing distance, problem produced by cemented lens can be effectively improved.
First lens have positive refracting power, be convex surface, whereby, can effectively suppress at its thing side surface dipped beam axle
Overall length, to meet the demand of miniaturization.It addition, to locate to comprise at least one off axis convex on the first surface, lens image side
Face, contributes to the aberration of modified off-axis visual field.
Second lens have positive refracting power, can be convex surface at its thing side surface dipped beam axle, its surface, image side dipped beam
It can be convex surface at axle.Whereby, can the distribution of the balance optical positive refracting power of photographic lens group, reduce its sensitivity,
And spherical aberration can be reduced.It addition, the second lens thing side surface is located to comprise at least one concave surface off axis, contribute to repairing
The aberration of just off-axis visual field.
3rd lens have negative refracting power, can be concave surface at its thing side surface dipped beam axle.Whereby, light can be revised
Learn the aberration of photographic lens group, to promote image quality.
4th lens have negative refracting power, can be concave surface at its thing side surface dipped beam axle, its surface, image side dipped beam
It can be convex surface at axle.Whereby, aberration and the astigmatism of optical photographic lens group can be revised, to promote image quality.
5th lens can have positive refracting power, is concave surface at its surface, image side dipped beam axle, and its surface, image side is off-axis
Place comprises at least one convex surface.Whereby, contribute to shortening the overall length of optical photographic lens group, and contribute to revising
The aberration of off-axis visual field.
The focal length of the first lens is f1, and the focal length of the second lens is f2, and it meets following condition: | f2/f1 | < 1.0.
Whereby, the light of large viewing can be allowed to enter optical photographic lens group, make optical photographic lens group have bigger
The advantage at visual angle.It is preferred that it can meet following condition: | f2/f1 | < 0.80.
The abbe number of the 4th lens is V4, and it can meet following condition: V4 < 30.Whereby, contribute to
The correction of optical photographic lens group aberration.
The focal length of 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, its
Following condition: | f2/f3 |+| f2/f4 | < 1.0 can be met.Whereby, be conducive to expanding visual angle, and be favorably improved
Periphery illumination.
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 can meet following condition: 0mm2<R5×R6.Whereby, contribute to reducing the generation of aberration.
The radius of curvature of the second lens thing side surface is R3, and the radius of curvature on the second surface, lens image side is R4,
It can meet following condition :-0.20 < (R3+R4)/(R3-R4) < 2.0.Whereby, contribute to reduce spherical aberration with
The generation of astigmatism, to promote image quality.
In first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens each two adjacent saturating
Mirror summation of spacing distance on optical axis is Σ AT, and specifically, the first lens and the second lens are in optical axis
On spacing distance be T12, the second lens and the 3rd lens spacing distance on optical axis are T23, the 3rd
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 is T45, Σ AT=T12+T23+T34+T45, and the focal length of optical photographic lens group is f,
It can meet following condition: Σ AT/f < 0.30.Whereby, the spacing between lens can be avoided excessive, and favourable
In lens molding and the assembling of optical photographic lens group.
First lens thickness on optical axis is CT1, and second lens thickness on optical axis is CT2, and it can
Meet following condition: 0.20 < CT1/CT2 < 1.25.Whereby, contribute to the refracting power configuration of plus lens,
With desensitising and lifting fine ratio of product.
4th surface, lens image side intersection point on optical axis is to the maximum effective radius on the 4th surface, lens image side
Position in optical axis horizontal displacement distance for Sag42 (horizontal displacement distance towards direction, image side then its value be defined as
Just, if towards thing side to; its value is defined as bearing), the 4th lens thickness on optical axis is CT4, and it can
Meet following condition :-1.50 < Sag42/CT4 <-0.60.Whereby, the shape configuration of the 4th lens is appropriate,
Be conducive to manufacturing and molding.
3rd lens thing side surface intersection point on optical axis is to the maximum effective radius of the 3rd lens thing side surface
Position in optical axis horizontal displacement distance for Sag31 (horizontal displacement distance towards direction, image side then its value be defined as
Just, if towards thing side to; its value is defined as bearing), the 3rd surface, lens image side intersection point on optical axis to
The maximum effective radius position of three surface, lens image sides is Sag32 (horizontal position in the horizontal displacement distance of optical axis
Move distance towards direction, image side then its value be just defined as, if towards thing side to; its value is defined as bearing), the 3rd is saturating
Mirror thickness on optical axis is CT3, and it can meet following condition :-0.50 < (Sag31-Sag32)/CT3 <
0.75.Whereby, the shape configuration of the 3rd lens is appropriate, is conducive to manufacturing and molding.
At least one surface of each first lens, the second lens, the 3rd lens and the 4th lens has at least
One point of inflexion.Whereby, the aberration of modified off-axis visual field is contributed to promote surrounding image quality.
In first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens each two adjacent saturating
Mirror on optical axis in spacing distance the maximum be ATmax, specifically, the first lens and the second lens in
Spacing distance on optical axis is T12, and the second lens and the 3rd lens spacing distance on optical axis are T23,
3rd lens and the 4th lens spacing distance on optical axis are T34, and the 4th lens and the 5th lens are in optical axis
On spacing distance be T45, in T12, T23, T34 and T45, the maximum is ATmax, the first lens,
In second lens, the 3rd lens, the 4th lens and the 5th lens, each two adjacent lens are spaced on optical axis
The summation of distance is Σ AT, and it can meet following condition: 0.80 < ATmax/ (Σ AT-ATmax).Whereby,
The sensitivity that can make spacing distance between lens obtains better control.
The focal length of the second lens is f2, and the focal length of the 4th lens is f4, and it can meet following condition :-20.0 <
f4/f2<-1.0.Whereby, it is possible to decrease the refracting power change between lens, it is to avoid too many stray light imaging
Quality.It is preferred that it can meet following condition :-15.0 < f4/f2 <-1.5.More preferably, under it can meet
Row condition :-10.0 < f4/f2 <-1.5.
The abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, and it can meet following bar
Part: 0.80 < V3/V4 < 3.0.Whereby, the balance of aberration and astigmatism is contributed to.
In the optical photographic lens group that the present invention provides, the material of lens can be plastic cement or glass.When lens
Material is plastic cement, can effectively reduce production cost.The another material working as lens is glass, then can increase light
Learn the degree of freedom of photographic lens group refracting power configuration.Additionally, the thing side surface in optical photographic lens group and picture
Side surface can be aspheric surface (ASP), and aspheric surface can easily be fabricated to the shape beyond sphere, 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 this
The total length of invention optical photographic lens group.
Furthermore, in the optical photographic lens group that the present invention provides, if lens surface is convex surface and not define this convex
During position, face, then it represents that this lens surface is convex surface at dipped beam axle；If lens surface is concave surface and does not defines
During this concave surface position, then it represents that this lens surface is concave surface at dipped beam axle.The optical photography that the present invention provides
In lens group, if lens have positive refracting power or negative refracting power, or the focal length of lens, all refer to lens dipped beam
Refracting power at axle or focal length.
The imaging surface of the optical photographic lens group of the present invention, according to the difference of the sense electronics optical element of its correspondence, can
Be a plane or the curved surface having arbitrary curvature, particularly relate to concave surface towards toward thing side to curved surface.
It addition, in optical photographic lens group of the present invention, at least one diaphragm can be arranged on demand, spuious to reduce
Light, contributes to promoting image quality.
In the optical photographic lens group of the present invention, aperture configuration can be preposition aperture or in put aperture, Qi Zhongqian
Put aperture and imply that aperture is arranged between object and the first lens, in put aperture and then represent that aperture is arranged at first
Between lens and imaging surface.If aperture is preposition aperture, the outgoing pupil (Exit of optical photographic lens group 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 optical photographic lens group have the advantage of wide-angle lens.
The more visual demand of optical photographic lens group of the present invention is applied in the optical system of mobile focusing, and holds concurrently
Has the characteristic of excellent lens error correction and good image quality.The present invention also many-side can be applied to three-dimensional (3D)
Image capture, digital camera, mobile product, digital flat panel, intelligent television, network monitoring device, body-sensing
In the electronic installations such as game machine, drive recorder, reversing developing unit and wearable product.
The present invention provides a kind of image-taking device, comprises aforesaid optical photographic lens group and the photosensitive unit of electronics
Part, wherein sense electronics optical element is arranged at the imaging surface of optical photographic lens group.In optical photographic lens group
One lens and the configuration of the second lens refracting power, can allow the light of large viewing enter optical photographic lens group,
First lens is equipped with positive refracting power simultaneously, can effectively suppress overall length, to meet the demand of miniaturization.Whereby,
Make image-taking device can have large viewing and shorter overall length simultaneously.Additionally, it is second saturating in optical photographic lens group
Mirror has positive refracting power, and the 4th lens have negative refracting power, the second lens and the configuration of the 4th lens refracting power
It is too strong that mode can avoid that single lens refracting power becomes, and causes aberration to be difficult to the problem revised.Whereby, may be used
Promote the image quality of image-taking device.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, electronic installation can be simultaneously
There is large viewing and shorter overall length, and image quality can be promoted.It is preferred that electronic installation can wrap further
Containing control unit (Control Unit), display unit (Display), storage element (Storage Unit), random
Access memorizer (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 optical photographic lens group (not another label) and electronics is photosensitive
Element 180.Optical photographic lens group by thing side to image side sequentially comprise aperture the 100, first lens 110,
Second lens the 120, the 3rd lens the 130, the 4th lens the 140, the 5th lens 150, infrared ray filter optical filtering
Element 160 and imaging surface 170, and sense electronics optical element 180 is arranged at the imaging of optical photographic lens group
Face 170, the lens wherein in optical photographic lens group with refracting power are five (110-150), and first is saturating
In mirror the 110, second lens the 120, the 3rd lens the 130, the 4th lens 140 and the 5th lens 150, appoint
All there is between two adjacent lens on optical axis a spacing distance.
First lens 110 have positive refracting power, and are plastic cement material, at its thing side surface 111 dipped beam axle are
Convex surface, is convex surface at its surface, image side 112 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 112 comprises at least one convex surface, and the first lens thing side surface 111 has at least one point of inflexion.
Second lens 120 have positive refracting power, and are plastic cement material, at its thing side surface 121 dipped beam axle are
Convex surface, is convex surface at its surface, image side 122 dipped beam axle, and is all aspheric surface.It addition, the second lens thing side
Off-axis place, surface 121 comprises at least one concave surface, and the second lens thing side surface 121 has at least one point of inflexion.
3rd lens 130 have negative refracting power, and are plastic cement material, at its thing side surface 131 dipped beam axle are
Concave surface, is convex surface at its surface, image side 132 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 131 and surface, image side 132 all have at least one point of inflexion.
4th lens 140 have negative refracting power, and are plastic cement material, at its thing side surface 141 dipped beam axle are
Concave surface, is convex surface at its surface, image side 142 dipped beam axle, and is all aspheric surface.It addition, the 4th lens image side
Surface 142 has at least one point of inflexion.
5th lens 150 have positive refracting power, and are plastic cement material, at its thing side surface 151 dipped beam axle are
Convex surface, is concave surface at its surface, image side 152 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 152 comprises 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 optical photographic lens group.
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 optical photographic lens group of first embodiment, the focal length of optical photographic lens group is f, optical photography
The f-number (f-number) of lens group is Fno, and in optical photographic lens group, the half at maximum visual angle is
HFOV, its numerical value is as follows: f=3.19mm；Fno=2.20；And HFOV=40.4 degree.
In the optical photographic lens group of first embodiment, the abbe number of the 3rd lens 130 is V3, the 4th
The abbe number of lens 140 is V4, and it meets following condition: V3/V4=1.00；And V4=23.5.
In the optical photographic lens group of first embodiment, first lens 110 thickness on optical axis is CT1,
Second lens 120 thickness on optical axis is CT2, and it meets following condition: CT1/CT2=0.98.
In the optical photographic lens group of first embodiment, first lens the 110, second lens the 120, the 3rd are saturating
Each two adjacent lens spacing distances on optical axis in mirror the 130, the 4th lens 140 and the 5th lens 150
Middle the maximum is that (in the first embodiment, ATmax is the 3rd lens 130 and the 4th lens 140 to ATmax
Spacing distance on optical axis, ATmax=0.445mm), first lens the 110, second lens 120,
In three lens the 130, the 4th lens 140 and the 5th lens 150, each two adjacent lens are spaced on optical axis
The summation of distance is Σ AT (in the first embodiment, Σ AT=0.109mm+0.143mm+0.445
Mm+0.050mm=0.747mm), the focal length of optical photographic lens group is f, and it meets following condition:
ATmax/ (Σ AT-ATmax)=1.47；And Σ AT/f=0.23.
Please coordinate with reference to Figure 17, it illustrates according to the 3rd lens in optical photographic lens group in first embodiment
130 parameters Sag31 and the schematic diagram of Sag32.As shown in Figure 17, the 3rd lens thing side surface 131 exists
Intersection point on optical axis to the maximum effective radius position of the 3rd lens thing side surface 131 in the horizontal position of optical axis
Shifting distance is Sag31, and the 3rd surface 132, lens image side intersection point on optical axis is to the 3rd surface, lens image side
The maximum effective radius position of 132 is Sag32 in the horizontal displacement distance of optical axis, and the 3rd lens 130 are in light
Thickness on axle is CT3, and it meets following condition: (Sag31-Sag32)/CT3=-0.92.
Please coordinate with reference to Figure 18, it illustrates according to the 4th lens in optical photographic lens group in first embodiment
The schematic diagram of 140 parameters Sag42.As shown in Figure 18, the 4th surface 142, lens image side is on optical axis
Intersection point to the maximum effective radius position on the 4th surface, lens image side 142 in the horizontal displacement distance of optical axis is
Sag42, the 4th lens 140 thickness on optical axis is CT4, and it meets following condition: Sag42/CT4=
-1.21。
In the optical photographic lens group of first embodiment, the radius of curvature of the second lens thing side surface 121 is
R3, the radius of curvature on the second surface, lens image side 122 is R4, and it meets following condition:
(R3+R4)/(R3-R4)=0.45.
In the optical photographic lens group of first embodiment, the radius of curvature of the 3rd lens thing side surface 131 is
R5, the radius of curvature on the 3rd surface, lens image side 132 is R6, and it meets following condition: R5 × R6=2.21
mm2。
In the optical photographic lens group of first embodiment, the focal length of the first lens 110 is f1, the second lens
The focal length of 120 is f2, and it meets following condition: | f2/f1 |=0.72.
In the optical photographic lens group of first embodiment, the focal length of the second lens 120 is f2, the 3rd lens
The focal length of 130 is f3, and the focal length of the 4th lens 140 is f4, its meet following condition: | f2/f3 |+| f2/f4 |=
1.19；And f4/f2=-6.71.
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-A14 then represents
4-14 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 optical photographic lens group (not another label) and electronics is photosensitive
Element 280.Optical photographic lens group by thing side to image side sequentially comprise aperture the 200, first lens 210,
Second lens the 220, the 3rd lens the 230, the 4th lens the 240, the 5th lens 250, infrared ray filter optical filtering
Element 260 and imaging surface 270, and sense electronics optical element 280 is arranged at the imaging of optical photographic lens group
Face 270, the lens wherein in optical photographic lens group with refracting power are five (210-250), and first is saturating
In mirror the 210, second lens the 220, the 3rd lens the 230, the 4th lens 240 and the 5th lens 250, appoint
All there is between two adjacent lens on optical axis a spacing distance.
First lens 210 have positive refracting power, and are plastic cement material, at its thing side surface 211 dipped beam axle are
Convex surface, is concave surface at its surface, image side 212 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 212 comprises at least one convex surface, and the first lens thing side surface 211 and surface, image side 212 are all
There is at least one point of inflexion.
Second lens 220 have positive refracting power, and are plastic cement material, at its thing side surface 221 dipped beam axle are
Convex surface, is convex surface at its surface, image side 222 dipped beam axle, and is all aspheric surface.It addition, the second lens image side
Surface 222 has at least one point of inflexion.
3rd lens 230 have negative refracting power, and are plastic cement material, at its thing side surface 231 dipped beam axle are
Convex surface, is concave surface at its surface, image side 232 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 231 and surface, image side 232 all have at least one point of inflexion.
4th lens 240 have negative refracting power, and are plastic cement material, at its thing side surface 241 dipped beam axle are
Concave surface, is convex surface at its surface, image side 242 dipped beam axle, and is all aspheric surface.It addition, the 4th lens image side
Surface 242 has at least one point of inflexion.
5th lens 250 have positive refracting power, and are plastic cement material, at its thing side surface 251 dipped beam axle are
Convex surface, is concave surface at its surface, image side 252 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 252 comprises 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 optical photographic lens group.
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 optical photographic lens group (not another label) and electronics is photosensitive
Element 380.Optical photographic lens group by thing side to image side sequentially comprise the first lens 310, aperture 300,
Second lens the 320, the 3rd lens the 330, the 4th lens the 340, the 5th lens 350, infrared ray filter optical filtering
Element 360 and imaging surface 370, and sense electronics optical element 380 is arranged at the imaging of optical photographic lens group
Face 370, the lens wherein in optical photographic lens group with refracting power are five (310-350), and first is saturating
In mirror the 310, second lens the 320, the 3rd lens the 330, the 4th lens 340 and the 5th lens 350, appoint
All there is between two adjacent lens on optical axis a spacing distance.
First lens 310 have positive refracting power, and are plastic cement material, at its thing side surface 311 dipped beam axle are
Convex surface, is concave surface at its surface, image side 312 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 312 comprises at least one convex surface, and the first lens thing side surface 311 and surface, image side 312 are all
There is at least one point of inflexion.
Second lens 320 have positive refracting power, and are plastic cement material, at its thing side surface 321 dipped beam axle are
Convex surface, is convex surface at its surface, image side 322 dipped beam axle, and is all aspheric surface.
3rd lens 330 have negative refracting power, and are plastic cement material, at its thing side surface 331 dipped beam axle are
Convex surface, is concave surface at its surface, image side 332 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 331 and surface, image side 332 all have at least one point of inflexion.
4th lens 340 have negative refracting power, and are plastic cement material, at its thing side surface 341 dipped beam axle are
Concave surface, is convex surface at its surface, image side 342 dipped beam axle, and is all aspheric surface.It addition, the 4th lens image side
Surface 342 has at least one point of inflexion.
5th lens 350 have positive refracting power, and are plastic cement material, at its thing side surface 351 dipped beam axle are
Convex surface, is concave surface at its surface, image side 352 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 352 comprises 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 optical photographic lens group.
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 optical photographic lens group (not another label) and electronics is photosensitive
Element 480.Optical photographic lens group by thing side to image side sequentially comprise the first lens 410, aperture 400,
Second lens the 420, the 3rd lens the 430, the 4th lens the 440, the 5th lens 450, infrared ray filter optical filtering
Element 460 and imaging surface 470, and sense electronics optical element 480 is arranged at the imaging of optical photographic lens group
Face 470, the lens wherein in optical photographic lens group with refracting power are five (410-450), and first is saturating
In mirror the 410, second lens the 420, the 3rd lens the 430, the 4th lens 440 and the 5th lens 450, appoint
All there is between two adjacent lens on optical axis a spacing distance.
First lens 410 have positive refracting power, and are plastic cement material, at its thing side surface 411 dipped beam axle are
Convex surface, is concave surface at its surface, image side 412 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 412 comprises at least one convex surface, and the first lens thing side surface 411 and surface, image side 412 are all
There is at least one point of inflexion.
Second lens 420 have positive refracting power, and are plastic cement material, at its thing side surface 421 dipped beam axle are
Convex surface, is convex surface at its surface, image side 422 dipped beam axle, and is all aspheric surface.It addition, the second lens thing side
Off-axis place, surface 421 comprises at least one concave surface, and the second lens thing side surface 421 and surface, image side 422
All there is at least one point of inflexion.
3rd lens 430 have negative refracting power, and are plastic cement material, at its thing side surface 431 dipped beam axle are
Concave surface, is convex surface at its surface, image side 432 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 431 and surface, image side 432 all have at least one point of inflexion.
4th lens 440 have negative refracting power, and are plastic cement material, at its thing side surface 441 dipped beam axle are
Convex surface, is concave surface at its surface, image side 442 dipped beam axle, and is all aspheric surface.It addition, the 4th lens thing side
Surface 441 and surface, image side 442 all have at least one point of inflexion.
5th lens 450 have positive refracting power, and are plastic cement material, at its thing side surface 451 dipped beam axle are
Convex surface, is concave surface at its surface, image side 452 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 452 comprises 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 optical photographic lens group.
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 optical photographic lens group (not another label) and electronics
Photo-sensitive cell 580.Optical photographic lens group by thing side to image side sequentially comprise the first lens 510, aperture 500,
Second lens the 520, the 3rd lens the 530, the 4th lens the 540, the 5th lens 550, infrared ray filter optical filtering
Element 560 and imaging surface 570, and sense electronics optical element 580 is arranged at the imaging of optical photographic lens group
Face 570, the lens wherein in optical photographic lens group with refracting power are five (510-550), and first is saturating
In mirror the 510, second lens the 520, the 3rd lens the 530, the 4th lens 540 and the 5th lens 550, appoint
All there is between two adjacent lens on optical axis a spacing distance.
First lens 510 have positive refracting power, and are glass material, at its thing side surface 511 dipped beam axle are
Convex surface, is concave surface at its surface, image side 512 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 512 comprises at least one convex surface, and the first lens thing side surface 511 and surface, image side 512 are all
There is at least one point of inflexion.
Second lens 520 have positive refracting power, and are plastic cement material, at its thing side surface 521 dipped beam axle are
Convex surface, is convex surface at its surface, image side 522 dipped beam axle, and is all aspheric surface.It addition, the second lens thing side
Off-axis place, surface 521 comprises at least one concave surface, and the second lens thing side surface 521 and surface, image side 522
All there is at least one point of inflexion.
3rd lens 530 have negative refracting power, and are plastic cement material, at its thing side surface 531 dipped beam axle are
Concave surface, is convex surface at its surface, image side 532 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 531 and surface, image side 532 all have at least one point of inflexion.
4th lens 540 have negative refracting power, and are plastic cement material, at its thing side surface 541 dipped beam axle are
Convex surface, is concave surface at its surface, image side 542 dipped beam axle, and is all aspheric surface.It addition, the 4th lens thing side
Surface 541 and surface, image side 542 all have at least one point of inflexion.
5th lens 550 have positive refracting power, and are plastic cement material, at its thing side surface 551 dipped beam axle are
Convex surface, is concave surface at its surface, image side 552 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 552 comprises 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 optical photographic lens group.
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 optical photographic lens group (not another label) and electricity
Sub-photo-sensitive cell 680.Optical photographic lens group is sequentially comprised the first lens 610, aperture by thing side to image side
600, the second lens the 620, the 3rd lens the 630, the 4th lens the 640, the 5th lens 650, infrared ray filter
Except filter element 660 and imaging surface 670, and sense electronics optical element 680 is arranged at optical photographic lens group
Imaging surface 670, the lens wherein in optical photographic lens group with refracting power are five (610-650), and
First lens the 610, second lens the 620, the 3rd lens the 630, the 4th lens 640 and the 5th lens 650
In, between wantonly two adjacent lens, all there is on optical axis a spacing distance.
First lens 610 have positive refracting power, and are plastic cement material, at its thing side surface 611 dipped beam axle are
Convex surface, is concave surface at its surface, image side 612 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 612 comprises at least one convex surface, and the first lens thing side surface 611 and surface, image side 612 are all
There is at least one point of inflexion.
Second lens 620 have positive refracting power, and are plastic cement material, at its thing side surface 621 dipped beam axle are
Convex surface, is convex surface at its surface, image side 622 dipped beam axle, and is all aspheric surface.It addition, the second lens thing side
Off-axis place, surface 621 comprises at least one concave surface, and the second lens thing side surface 621 and surface, image side 622
All there is at least one point of inflexion.
3rd lens 630 have negative refracting power, and are plastic cement material, at its thing side surface 631 dipped beam axle are
Concave surface, is convex surface at its surface, image side 632 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 631 and surface, image side 632 all have at least one point of inflexion.
4th lens 640 have negative refracting power, and are plastic cement material, at its thing side surface 641 dipped beam axle are
Concave surface, is concave surface at its surface, image side 642 dipped beam axle, and is all aspheric surface.It addition, the 4th lens thing side
Surface 641 and surface, image side 642 all have at least one point of inflexion.
5th lens 650 have positive refracting power, and are plastic cement material, at its thing side surface 651 dipped beam axle are
Convex surface, is concave surface at its surface, image side 652 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 652 comprises 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 optical photographic lens group.
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 optical photographic lens group (not another label) and electricity
Sub-photo-sensitive cell 780.Optical photographic lens group is sequentially comprised aperture the 700, first lens by thing side to image side
710, the second lens the 720, the 3rd lens the 730, the 4th lens the 740, the 5th lens 750, infrared ray filter
Except filter element 760 and imaging surface 770, and sense electronics optical element 780 is arranged at optical photographic lens group
Imaging surface 770, the lens wherein in optical photographic lens group with refracting power are five (710-750), and
First lens the 710, second lens the 720, the 3rd lens the 730, the 4th lens 740 and the 5th lens 750
In, between wantonly two adjacent lens, all there is on optical axis a spacing distance.
First lens 710 have positive refracting power, and are plastic cement material, at its thing side surface 711 dipped beam axle are
Convex surface, is concave surface at its surface, image side 712 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 712 comprises at least one convex surface, and the first lens thing side surface 711 and surface, image side 712 are all
There is at least one point of inflexion.
Second lens 720 have positive refracting power, and are plastic cement material, at its thing side surface 721 dipped beam axle are
Concave surface, is convex surface at its surface, image side 722 dipped beam axle, and is all aspheric surface.It addition, the second lens thing side
Surface 721 and surface, image side 722 all have at least one point of inflexion.
3rd lens 730 have negative refracting power, and are plastic cement material, at its thing side surface 731 dipped beam axle are
Concave surface, is convex surface at its surface, image side 732 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 731 and surface, image side 732 all have at least one point of inflexion.
4th lens 740 have negative refracting power, and are plastic cement material, at its thing side surface 741 dipped beam axle are
Concave surface, is convex surface at its surface, image side 742 dipped beam axle, and is all aspheric surface.It addition, the 4th lens image side
Surface 742 has at least one point of inflexion.
5th lens 750 have positive refracting power, and are plastic cement material, at its thing side surface 751 dipped beam axle are
Convex surface, is concave surface at its surface, image side 752 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 752 comprises 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 optical photographic lens group.
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 optical photographic lens group (not another label) and electricity
Sub-photo-sensitive cell 880.Optical photographic lens group is sequentially comprised aperture the 800, first lens by thing side to image side
810, the second lens the 820, the 3rd lens the 830, the 4th lens the 840, the 5th lens 850, infrared ray filter
Except filter element 860 and imaging surface 870, and sense electronics optical element 880 is arranged at optical photographic lens group
Imaging surface 870, the lens wherein in optical photographic lens group with refracting power are five (810-850), and
First lens the 810, second lens the 820, the 3rd lens the 830, the 4th lens 840 and the 5th lens 850
In, between wantonly two adjacent lens, all there is on optical axis a spacing distance.
First lens 810 have positive refracting power, and are plastic cement material, at its thing side surface 811 dipped beam axle are
Convex surface, is convex surface at its surface, image side 812 dipped beam axle, and is all aspheric surface.It addition, the first lens image side
Off-axis place, surface 812 comprises at least one convex surface, and the first lens thing side surface 811 has at least one point of inflexion.
Second lens 820 have positive refracting power, and are plastic cement material, at its thing side surface 821 dipped beam axle are
Concave surface, is convex surface at its surface, image side 822 dipped beam axle, and is all aspheric surface.It addition, the second lens thing side
Off-axis place, surface 821 comprises at least one concave surface, and the second surface, lens image side 822 has at least one point of inflexion.
3rd lens 830 have negative refracting power, and are plastic cement material, at its thing side surface 831 dipped beam axle are
Concave surface, is convex surface at its surface, image side 832 dipped beam axle, and is all aspheric surface.It addition, the 3rd lens thing side
Surface 831 and surface, image side 832 all have at least one point of inflexion.
4th lens 840 have negative refracting power, and are plastic cement material, at its thing side surface 841 dipped beam axle are
Concave surface, is convex surface at its surface, image side 842 dipped beam axle, and is all aspheric surface.It addition, the 4th lens thing side
Surface 841 and surface, image side 842 all have at least one point of inflexion.
5th lens 850 have positive refracting power, and are plastic cement material, at its thing side surface 851 dipped beam axle are
Convex surface, is concave surface at its surface, image side 852 dipped beam axle, and is all aspheric surface.It addition, the 5th lens image side
Off-axis place, surface 852 comprises 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 optical photographic lens group.
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 19, be the schematic diagram illustrating a kind of electronic installation 10 according to ninth embodiment of the invention.
The electronic installation 10 of the 9th embodiment is a smart mobile phone, and electronic installation 10 comprises image-taking device 11, takes
As device 11 comprises the optical photographic lens group (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 optical photographic lens group.
<the tenth embodiment>
Refer to Figure 20, be the schematic diagram illustrating a kind of electronic installation 20 according to tenth embodiment of the invention.
The electronic installation 20 of the tenth embodiment is a tablet PC, and electronic installation 20 comprises image-taking device 21,
Image-taking device 21 comprises the optical photographic lens group (figure does not discloses) according to the present invention and the photosensitive unit of electronics
Part (figure does not discloses), wherein sense electronics optical element is arranged at the imaging surface of optical photographic lens group.
<the 11st embodiment>
Refer to Figure 21, be the signal illustrating a kind of electronic installation 30 according to eleventh embodiment of the invention
Figure.The electronic installation 30 of the 11st embodiment be a head mounted display (Head-mounted display,
HMD), electronic installation 30 comprises image-taking device 31, and image-taking device 31 comprises to be taken the photograph according to the optics of the present invention
Shadow lens group (figure does not discloses) and sense electronics optical element (figure does not discloses), wherein sense electronics optical element sets
It is placed in the imaging surface of optical photographic lens group.
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 (23)
1. an optical photographic lens group, it is characterised in that sequentially comprised to image side by thing side:
One first lens, have positive refracting power, are convex surface at its thing side surface dipped beam axle；
One second lens, have positive refracting power；
One the 3rd lens, have negative refracting power；
One the 4th lens, have negative refracting power；And
One the 5th lens, have refracting power, are concave surface at its surface, image side dipped beam axle, and its surface, image side is off-axis
Place comprises at least one convex surface, and its thing side surface and surface, image side are all aspheric surface；
Wherein, the lens in this optical photographic lens group with refracting power are five, these first lens to this
All having a spacing distance on optical axis between wantonly two adjacent lens in five lens, the focal length of these the first lens is
F1, the focal length of these the second lens is f2, and it meets following condition:
|f2/f1|<1.0。
Optical photographic lens group the most according to claim 1, it is characterised in that the 4th lens
Abbe number is V4, and it meets following condition:
V4<30。
Optical photographic lens group the most according to claim 1, it is characterised in that the 5th lens tool
There is positive refracting power.
Optical photographic lens group the most according to claim 1, it is characterised in that these the second lens
Focal length is f2, and the focal length of the 3rd lens is f3, and the focal length of the 4th lens is f4, and it meets following bar
Part:
|f2/f3|+|f2/f4|<1.0。
Optical photographic lens group the most according to claim 1, it is characterised in that the 3rd lens thing
It is concave surface at side surface dipped beam axle.
Optical photographic lens group the most according to claim 1, it is characterised in that this second lens thing
It is convex surface at side surface dipped beam axle, is convex surface at this surface, the second lens image side dipped beam axle.
Optical photographic lens group the most according to claim 1, it is characterised in that the 4th lens thing
It is concave surface at side surface dipped beam axle, is convex surface at the 4th surface, lens image side dipped beam axle.
Optical photographic lens group the most according to claim 1, it is characterised in that the 3rd lens thing
The radius of curvature of side surface is R5, and the radius of curvature on the 3rd surface, lens image side is R6, and it meets following
Condition:
0mm2<R5×R6。
Optical photographic lens group the most according to claim 1, it is characterised in that this second lens thing
The radius of curvature of side surface is R3, and the radius of curvature on this surface, the second lens image side is R4, and it meets following
Condition:
-0.20<(R3+R4)/(R3-R4)<2.0。
Optical photographic lens group the most according to claim 1, it is characterised in that these first lens,
In these second lens, the 3rd lens, the 4th lens and the 5th lens, each two adjacent lens are in light
On axle, the summation of spacing distance is Σ AT, and the focal length of this optical photographic lens group is f, and it meets following condition:
ΣAT/f<0.30。
11. optical photographic lens groups according to claim 1, it is characterised in that these first lens in
Thickness on optical axis is CT1, and this second lens thickness on optical axis is CT2, and it meets following condition:
0.20<CT1/CT2<1.25。
12. optical photographic lens groups according to claim 1, it is characterised in that the 4th lens picture
Side surface intersection point on optical axis to the maximum effective radius position on the 4th surface, lens image side in optical axis
Horizontal displacement distance is Sag42, and the 4th lens thickness on optical axis is CT4, and it meets following condition:
-1.50<Sag42/CT4<-0.60。
13. optical photographic lens groups according to claim 1, it is characterised in that this first lens picture
The off-axis place of side surface comprises at least one convex surface, and this off-axis place of the second lens thing side surface comprises at least one concave surface.
14. optical photographic lens groups according to claim 1, it is characterised in that the 3rd lens thing
Side surface intersection point on optical axis to the maximum effective radius position of the 3rd lens thing side surface in optical axis
Horizontal displacement distance is Sag31, and the 3rd surface, lens image side intersection point on optical axis is to the 3rd lens picture
The maximum effective radius position of side surface is Sag32 in the horizontal displacement distance of optical axis, and the 3rd lens are in light
Thickness on axle is CT3, and it meets following condition:
-0.50<(Sag31-Sag32)/CT3<0.75。
15. optical photographic lens groups according to claim 1, it is characterised in that respectively these first lens,
At least one surface of these second lens, the 3rd lens and the 4th lens has at least one point of inflexion.
16. optical photographic lens groups according to claim 1, it is characterised in that these the first lens
Focal length is f1, and the focal length of these the second lens is f2, and it meets following condition:
|f2/f1|<0.80。
17. optical photographic lens groups according to claim 1, it is characterised in that these first lens,
In these second lens, the 3rd lens, the 4th lens and the 5th lens, each two adjacent lens are in light
On axle, in spacing distance, the maximum is ATmax, these first lens, these second lens, the 3rd lens,
In 4th lens and the 5th lens, each two adjacent lens summation of spacing distance on optical axis is
Σ AT, it meets following condition:
0.80<ATmax/(ΣAT-ATmax)。
18. optical photographic lens groups according to claim 1, it is characterised in that these the second lens
Focal length is f2, and the focal length of the 4th lens is f4, and it meets following condition:
-20.0<f4/f2<-1.0。
19. optical photographic lens groups according to claim 18, it is characterised in that these second lens
Focal length be f2, the focal length of the 4th lens is f4, and it meets following condition:
-15.0<f4/f2<-1.5。
20. optical photographic lens groups according to claim 19, it is characterised in that these second lens
Focal length be f2, the focal length of the 4th lens is f4, and it meets following condition:
-10.0<f4/f2<-1.5。
21. optical photographic lens groups according to claim 1, it is characterised in that the 3rd lens
Abbe number is V3, and the abbe number of the 4th lens is V4, and it meets following condition:
0.80<V3/V4<3.0。
22. 1 kinds of image-taking devices, it is characterised in that comprise:
Optical photographic lens group as claimed in claim 1；And
One sense electronics optical element, it is arranged at an imaging surface of this optical photographic lens group.
23. 1 kinds of electronic installations, it is characterised in that comprise:
Image-taking device as claimed in claim 22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238759.8A CN106291885B (en) | 2015-05-12 | 2015-05-12 | Optical photographic lens group, image-taking device and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108802962A (en) * | 2017-04-28 | 2018-11-13 | 声远精密光学股份有限公司 | Wide-angle imaging lens group |
| CN109581637A (en) * | 2017-09-29 | 2019-04-05 | 信泰光学(深圳)有限公司 | Imaging lens |
| WO2020038160A1 (en) * | 2018-08-20 | 2020-02-27 | 浙江舜宇光学有限公司 | Optical imaging system |
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| TW201341837A (en) * | 2012-04-06 | 2013-10-16 | Largan Precision Co Ltd | Optical imaging lens system |
| JP2014044443A (en) * | 2013-11-28 | 2014-03-13 | Hitachi Maxell Ltd | Imaging lens system |
| CN106154510A (en) * | 2014-09-30 | 2016-11-23 | 三星电机株式会社 | Optical system |
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| TW201341837A (en) * | 2012-04-06 | 2013-10-16 | Largan Precision Co Ltd | Optical imaging lens system |
| JP2012194597A (en) * | 2012-07-19 | 2012-10-11 | Fujifilm Corp | Five-lens composition imaging lens and imaging apparatus |
| JP2014044443A (en) * | 2013-11-28 | 2014-03-13 | Hitachi Maxell Ltd | Imaging lens system |
| CN106154510A (en) * | 2014-09-30 | 2016-11-23 | 三星电机株式会社 | Optical system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108802962A (en) * | 2017-04-28 | 2018-11-13 | 声远精密光学股份有限公司 | Wide-angle imaging lens group |
| CN108802962B (en) * | 2017-04-28 | 2020-09-08 | 声远精密光学股份有限公司 | Wide-angle imaging lens group |
| CN109581637A (en) * | 2017-09-29 | 2019-04-05 | 信泰光学(深圳)有限公司 | Imaging lens |
| WO2020038160A1 (en) * | 2018-08-20 | 2020-02-27 | 浙江舜宇光学有限公司 | Optical imaging system |
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| CN106291885B (en) | 2018-11-06 |
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