CN103676095B - Five chip imaging lens set - Google Patents
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- CN103676095B CN103676095B CN201210316312.4A CN201210316312A CN103676095B CN 103676095 B CN103676095 B CN 103676095B CN 201210316312 A CN201210316312 A CN 201210316312A CN 103676095 B CN103676095 B CN 103676095B
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Abstract
The invention discloses a kind of five chip imaging lens set, comprise: the first eyeglass of the positive refracting power of a tool, its thing side surface is convex surface, and the thing side surface of this first eyeglass and surface, image side are at least simultaneously aspheric surface; One tool bears the second eyeglass of refracting power, and its surface, image side is concave surface, and the thing side surface of this second eyeglass and surface, image side are at least simultaneously aspheric surface; 3rd eyeglass of the positive refracting power of one tool, its thing side surface and surface, image side at least one side are aspheric surface; 4th eyeglass of the positive refracting power of one tool, its thing side surface is concave surface, surface, image side is convex surface, and the thing side surface of the 4th eyeglass and surface, image side are at least simultaneously aspheric surface; One tool bears the 5th eyeglass of refracting power, its surface, image side is concave surface, and the thing side surface of the 5th eyeglass and surface, image side are at least simultaneously aspheric surface, use and be applied to high-pixel mobile phone camera, shorten camera lens total length, and possess the five chip imaging lens set of drawing greatly angle, large aperture, high pixel, high analytic ability simultaneously.
Description
Technical field
The present invention relates to optical lens, refer to a kind of five chip imaging lens set especially.
Background technology
Recent years, along with the rise of mobile phone camera, the demand of miniaturization phtographic lens day by day improves, and the photosensory assembly of general phtographic lens is nothing more than being photosensitive coupling component (CCD:ChargeCoupledDevice) or Complimentary Metal-Oxide semiconductor (CMOS:ComplementaryMetal-OxideSemiconductor) two kinds, due to the progress of manufacture of semiconductor technology, the elemental area of photosensory assembly is reduced, miniaturization phtographic lens develops toward high pixel neighborhoods gradually, therefore, the requirement of image quality is also increased day by day.
Tradition is equipped on the miniaturization phtographic lens on portable electronic product, many employings quadruple lenses structure is main, but because the pixel of mobile phone camera is very fastly soaring, the elemental area of photosensory assembly reduces gradually, and when the requirement of system imaging quality improves constantly, common quadruple lenses group cannot meet the phtographic lens module of more high-order, and because electronic product is constantly toward lightening, high performance trend development.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of five chip imaging lens set, it can be applicable to high-pixel mobile phone camera, and be unlikely to make camera lens total length long, and possess the five chip imaging lens set of drawing greatly angle, large aperture, high pixel, high analytic ability and low camera lens height simultaneously.
For solving the problem, the invention provides a kind of five chip imaging lens set, sequentially comprised by thing side to image side: the first eyeglass of the positive refracting power of a tool, its thing side surface is convex surface, and the thing side surface of this first eyeglass and surface, image side are at least simultaneously aspheric surface; One tool bears the second eyeglass of refracting power, and its surface, image side is concave surface, and the thing side surface of this second eyeglass and surface, image side are at least simultaneously aspheric surface; 3rd eyeglass of the positive refracting power of one tool, its thing side surface and surface, image side at least one side are aspheric surface; 4th eyeglass of the positive refracting power of one tool, its thing side surface is concave surface, surface, image side is convex surface, and the thing side surface of the 4th eyeglass and surface, image side are at least simultaneously aspheric surface; One tool bears the 5th eyeglass of refracting power, and its surface, image side is concave surface, and the thing side surface of the 5th eyeglass and surface, image side are at least simultaneously aspheric surface; And a smooth hurdle, it can be arranged at the light hurdle (namely between thing side and this first eyeglass) before this first eyeglass thing side surface or be arranged between this first eyeglass and second eyeglass; Make that the refractive index of this first eyeglass is N1, the Abbe number of this first eyeglass is V1, the refractive index of this second eyeglass is N2, the Abbe number of this second eyeglass is V2, meet following relationship respectively: N1 < 1.57; V1 > 40; N2 > 1.57; V2 < 40.When N1, V1, N2, V2 meet foregoing relationships respectively, be then conducive to the correction of this five chips imaging lens set aberration, the material of this first eyeglass and the second eyeglass is more suitable simultaneously, can contribute to when providing Large visual angle angle, is unlikely to produce too much system aberration.
Five described chip imaging lens set, more comprise one and are arranged at light hurdle between this first eyeglass and this second eyeglass.
Five described chip imaging lens set, it more comprises one and is arranged at light hurdle before this first eyeglass thing side surface.
The focal length of described first eyeglass is f1, and the focal length of this second eyeglass is f2, and both meet following relationship: 0.3 < | f1|/| f2| < 0.9.
The focal length of described first eyeglass is f1, and the synthesis focal length of this second eyeglass and the 3rd eyeglass is f23, and both meet following relationship: 0.3 < | f1|/| f23| < 0.8.
The focal length of described second eyeglass is f2, and the synthesis focal length of the 3rd eyeglass and the 4th eyeglass is f34, and both meet following relationship: 0.7 < | f2|/| f34| < 2.7.
The focal length of described 4th eyeglass is f4, and the focal length of the 5th eyeglass is f5, and both meet following relationship: 0.7 < | f4|/| f5| < 1.7.
The synthesis focal length of described first eyeglass, this second eyeglass is f12, and the entirety synthesis focal length of this five chips imaging lens set is f, and both meet following relationship: 0.75 < | f12|/f < 1.25.
The synthesis focal length of described first eyeglass, this second eyeglass and the 3rd eyeglass is f123, and the entirety synthesis focal length of this five chips imaging lens set is f, and both meet following relationship: 0.6 < | f123|/f < 0.25.
Five described chip imaging lens set, wherein, imaging surface image radius is IH, and the thing side surface of this first eyeglass is TL to the distance of imaging surface on optical axis, and both meet following relationship: 0.55 < | IH/TL| < 0.95.
The entirety synthesis focal length of five chip imaging lens set is f, and the thing side surface of this first eyeglass is TL to the distance of imaging surface on optical axis, and both meet following relationship: 0.75 < | f/TL| < 1.5.
Five chip imaging lens set of the present invention, are applied to high-pixel mobile phone camera, shorten camera lens total length, and possess simultaneously and draw greatly angle, large aperture, high pixel, high analytic ability.
Accompanying drawing explanation
Figure 1A is the optical schematic diagram of first embodiment of the invention.
Figure 1B is first embodiment of the invention sphere, distorts astigmat line chart and curvature of the image figure.
Fig. 1 C is table one, is the first embodiment optical data.
Fig. 1 D is table two, is the first embodiment aspherical surface data.
Fig. 2 A is the optical schematic diagram of second embodiment of the invention.
Fig. 2 B is second embodiment of the invention sphere, distorts astigmat line chart and curvature of the image figure.
Fig. 2 C is table three, is the second embodiment optical data.
Fig. 2 D is table four, is the second embodiment aspherical surface data.
Fig. 3 A is the optical schematic diagram of third embodiment of the invention.
Fig. 3 B is third embodiment of the invention sphere, distorts astigmat line chart and curvature of the image figure.
Fig. 3 C is table five, is the 3rd embodiment optical data.
Fig. 3 D is table six, is the 3rd embodiment aspherical surface data.
Fig. 4 A is the optical schematic diagram of fourth embodiment of the invention.
Fig. 4 B is fourth embodiment of the invention sphere, distorts astigmat line chart and curvature of the image figure.
Fig. 4 C is table seven, is the 4th embodiment optical data.
Fig. 4 D is table eight, is the 4th embodiment aspherical surface data.
Fig. 5 A is the optical schematic diagram of fifth embodiment of the invention.
Fig. 5 B is fifth embodiment of the invention sphere, distorts astigmat line chart and curvature of the image figure.
Fig. 5 C is table nine, is the 5th embodiment optical data.
Fig. 5 D is table ten, is the 5th embodiment aspherical surface data.
Fig. 6 A is the optical schematic diagram of sixth embodiment of the invention.
Fig. 6 B is sixth embodiment of the invention sphere, distorts astigmat line chart and curvature of the image figure.
Fig. 6 C is table ten one, is the 6th embodiment optical data.
Fig. 6 D is table ten two, is the 6th embodiment aspherical surface data.
Fig. 7 is table ten three, is the numerical data of correlationship formula of the present invention.
Description of reference numerals
100,200,300,400,500,600 is light hurdles
110,210,310,410,510,610 is first eyeglasses
111,211,311,411,511,611 is thing side surfaces of the first eyeglass
112,212,312,412,512,612 be the first eyeglass image side surface
120,220,320,420,520,620 is second eyeglasses
121,221,321,421,521,621 is thing side surfaces of the second eyeglass
122,222,322,422,522,622 be the second eyeglass image side surface
130,230,330,430,530,630 is the 3rd eyeglasses
131,231,331,431,531,631 is thing side surfaces of the 3rd eyeglass
132,232,332,432,532,632 be the 3rd eyeglass image side surface
140,240,340,440,540,640 is the 4th eyeglasses
141,241,341,441,541,641 is thing side surfaces of the 4th eyeglass
142,242,342,442,542,642 be the 4th eyeglass image side surface
150,250,350,450,550,650 is the 5th eyeglasses
151,251,351,451,551,651 is thing side surfaces of the 5th eyeglass
152,252,352,452,552,652 be the 5th eyeglass image side surface
160,260,360,460,560,660 are infrared ray filtering optical filters (IRFilter) 170,270,370,470,570,670 is imaging surfaces
180,280,380,480,580,680 is optical axises
F is overall synthesis focal length
Fno is overall f-number
2 ω are picture angles
F1 is the focal length of the first eyeglass
F2 is the focal length of the second eyeglass
F4 is the focal length of the 4th eyeglass
F5 is the focal length of the 5th eyeglass
F12 is the synthesis focal length of the first eyeglass and the second eyeglass
F23 is the synthesis focal length of the second eyeglass and the 3rd eyeglass
F34 is the synthesis focal length of the 3rd eyeglass and the 4th eyeglass
F123 is the synthesis focal length of the first eyeglass, the second eyeglass and the 3rd eyeglass
TL is that the thing side surface of the first eyeglass is to the distance of imaging surface on optical axis
IH is imaging surface image radius
N1 is the refractive index of the first eyeglass
V1 is the Abbe number of the first eyeglass
N2 is the refractive index of the second eyeglass
V2 is the Abbe number of the second eyeglass
Embodiment
First embodiment
The one five chip imaging lens set that first embodiment of the invention provides, refer to Figure 1A, 1B, Figure 1A is five chip imaging eyeglass group configuration schematic diagram of first embodiment of the invention, and Figure 1B is first embodiment of the invention aberration curve figure, and the first embodiment comprises from thing side A to image side B:
One smooth hurdle 100.
First eyeglass 110 of the positive refracting power of one tool, its material is plastics, and the thing side surface 111 of this first eyeglass 110 is convex surface, this surface, image side 112 is convex surface, and thing side surface 111 and the surface, image side 112 of this first eyeglass 110 are all set to aspheric surface.
One tool bears the second eyeglass 120 of refracting power, and its material is plastics, and the thing side surface 121 of this second eyeglass 120 is convex surface, this surface, image side 122 is concave surface, and thing side surface 121 and the surface, image side 122 of this second eyeglass 120 are all set to aspheric surface.
One tool bears the 3rd eyeglass 130 of refracting power, and its material is plastics, and the thing side surface 131 of the 3rd eyeglass 130 is convex surface, this surface, image side 132 is concave surface, and thing side surface 131 and the surface, image side 132 of the 3rd eyeglass 130 are all set to aspheric surface.
4th eyeglass 140 of the positive refracting power of one tool, its material is plastics, and the thing side surface 141 of the 4th eyeglass 140 is concave surface, this surface, image side 142 is convex surface, and thing side surface 141 and the surface, image side 142 of the 4th eyeglass 140 are all set to aspheric surface.
One tool bears refracting power the 5th eyeglass 150, and its material is plastics, and the thing side surface 151 of the 5th eyeglass 150 is convex surface, this surface, image side 152 is concave surface, and thing side surface 151 and the surface, image side 152 of the 5th eyeglass 150 are all set to aspheric surface.
One infrared ray filtering optical filter (IR-filter) 160, it is located between the 5th surface, eyeglass 150 image side 152 and an imaging surface 170, and the material of this infrared ray filtering optical filter 160 is glass and does not affect the focal length of this five chips imaging lens set.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein z is highly for the position of h is with surface vertices positional value for referencial use along optical axis 180 direction; K is cone normal manner amount; C is the inverse of radius-of-curvature; A, B, C, D, E, G ... for order aspherical coefficients.
In first embodiment, the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: f=3.65.
In first embodiment, the overall f-number (f-number) of this five chips imaging lens set is Fno, and its relational expression is: Fno=2.2.
In first embodiment, the picture angle of this five chips imaging lens set is 2 ω, and its relational expression is: 2 ω=78 °.
In first embodiment, the focal length of this first eyeglass 110 is f1, and the focal length of this second eyeglass 120 is f2, and its relational expression is: | f1|/| f2|=0.5230.
In first embodiment, the focal length of this first eyeglass 110 is f1, and the synthesis focal length of this second eyeglass 120 and the 3rd eyeglass 130 is f23, and its relational expression is: | f1|/| f23|=0.5679.
In first embodiment, the focal length of this second eyeglass 120 is f2, and the synthesis focal length of the 3rd eyeglass 130 and the 4th eyeglass 140 is f34, and its relational expression is: | f2|/| f34|=2.2848.
In first embodiment, the focal length of the 4th eyeglass 140 is f4, and the focal length of the 5th eyeglass 150 is f5, and its relational expression is: | f4|/| f5|=0.9692.
In first embodiment, the synthesis focal length of this first eyeglass 110 and this second eyeglass 120 is f12, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f12|/f=1.0343.
In first embodiment, the synthesis focal length of this first eyeglass 110, this second eyeglass 120 and the 3rd eyeglass 130 is f123, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f123|/f=1.0609.
In first embodiment, imaging surface 170 image radius is IH, and the thing side surface 111 of this first eyeglass 110 is TL to the distance of imaging surface 170 on optical axis 180, and its relational expression is: | IH/TL|=0.8341.
In first embodiment, the entirety of this five chips imaging lens set synthesis focal length is f, and the thing side surface 111 of this first eyeglass 110 is TL to the distance of imaging surface 170 on optical axis 180, and its relational expression is: | f/TL|=1.2573.
In first embodiment, the refractive index of this first eyeglass 110 is N1, the Abbe number of this first eyeglass 110 (also known as Abbe number/Abbenumber) is V1, the refractive index of this second eyeglass 120 is N2, the Abbe number of this second eyeglass 120 is V2, and its relational expression is: N1=1.544; V1=56.0; N2=1.634; V2=23.9.
The detailed structured data of first embodiment is as in Fig. 1 C shown in table one, its aspherical surface data is as in 1D figure shown in table two, wherein, radius-of-curvature, the unit of thickness and focal length is millimetre (mm), and table, surface 2 contained in two, 3 things being respectively this first eyeglass 110, surface, image side 111, 112, surface 4, 5 things being respectively this second eyeglass 120, surface, image side 121, 122, surface 6, 7 things being respectively the 3rd eyeglass 130, surface, image side 131, 132, surface 8, 9 things being respectively the 4th eyeglass 140, surface, image side 141, 142, surface 10, 11 things being respectively the 5th eyeglass 150, surface, image side 151, 152.
Second embodiment
The one five chip imaging lens set that second embodiment of the invention provides, refer to Fig. 2 A, 2B, this Fig. 2 A is five chip imaging eyeglass group configuration schematic diagram of second embodiment of the invention, and Fig. 2 B is second embodiment of the invention aberration curve figure, and the second embodiment comprises from thing side A to image side B:
First eyeglass 210 of the positive refracting power of one tool, its material is plastics, and the thing side surface 211 of this first eyeglass 210 is convex surface, this surface, image side 212 is concave surface, and thing side surface 211 and the surface, image side 212 of this first eyeglass 210 are all set to aspheric surface.
One smooth hurdle 200.
One tool bears the second eyeglass 220 of refracting power, and its material is plastics, and the thing side surface 221 of this second eyeglass 220 is convex surface, this surface, image side 222 is concave surface, and thing side surface 221 and the surface, image side 222 of this second eyeglass 220 are all set to aspheric surface.
One tool bears the 3rd eyeglass 230 of refracting power, and its material is plastics, and the thing side surface 231 of the 3rd eyeglass 230 is convex surface, this surface, image side 232 is concave surface, and thing side surface 231 and the surface, image side 232 of the 3rd eyeglass 230 are all set to aspheric surface.
4th eyeglass 240 of the positive refracting power of one tool, its material is plastics, and the thing side surface 241 of the 4th eyeglass 240 is concave surface, this surface, image side 242 is convex surface, and thing side surface 241 and the surface, image side 242 of the 4th eyeglass 240 are all set to aspheric surface.
One tool bears refracting power the 5th eyeglass 250, and its material is plastics, and the thing side surface 251 of the 5th eyeglass 250 is convex surface, this surface, image side 252 is concave surface, and thing side surface 251 and the surface, image side 252 of the 5th eyeglass 250 are all set to aspheric surface.
One infrared ray filtering optical filter 260, it is located between the 5th surface, eyeglass 250 image side 252 and an imaging surface 270, and the material of this infrared ray filtering optical filter 260 is glass and does not affect the focal length of this five chips imaging lens set.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein z is highly for the position of h is with surface vertices positional value for referencial use along optical axis 280 direction; K is cone normal manner amount; C is the inverse of radius-of-curvature; A, B, C, D, E, G ... for order aspherical coefficients.
In second embodiment, the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: f=3.76.
In second embodiment, the overall f-number (f-number) of this five chips imaging lens set is Fno, and its relational expression is: Fno=2.2.
In second embodiment, the picture angle of this five chips imaging lens set is 2 ω, and its relational expression is: 2 ω=78 °.
In second embodiment, the focal length of this first eyeglass 210 is f1, and the focal length of this second eyeglass 220 is f2, and its relational expression is: | f1|/| f2|=0.4876.
In second embodiment, the focal length of this first eyeglass 210 is f1, and the synthesis focal length of this second eyeglass 220 and the 3rd eyeglass 230 is f23, and its relational expression is: | f1|/| f23|=0.5149.
In second embodiment, the focal length of this second eyeglass 220 is f2, and the synthesis focal length of the 3rd eyeglass 230 and the 4th eyeglass 240 is f34, and its relational expression is: | f2|/| f34|=2.3878.
In second embodiment, the focal length of the 4th eyeglass 240 is f4, and the focal length of the 5th eyeglass 250 is f5, and its relational expression is: | f4|/| f5|=0.9240.
In second embodiment, the synthesis focal length of this first eyeglass 210 and this second eyeglass 220 is f12, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f12|/f=0.9676.
In second embodiment, the synthesis focal length of this first eyeglass 210, this second eyeglass 220 and the 3rd eyeglass 230 is f123, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f123|/f=0.9808.
In second embodiment, imaging surface 270 image radius is IH, and the thing side surface 211 of this first eyeglass 210 is TL to the distance of imaging surface 270 on optical axis 280, and its relational expression is: | IH/TL|=0.8108.
In second embodiment, the entirety of this five chips imaging lens set synthesis focal length is f, and the thing side surface 211 of this first eyeglass 210 is TL to the distance of imaging surface 270 on optical axis 280, and its relational expression is: | f/TL|=1.2373.
In second embodiment, the refractive index of this first eyeglass 210 is N1, the Abbe number of this first eyeglass 210 is V1, the refractive index of this second eyeglass 220 is N2, the Abbe number of this second eyeglass 220 is V2, and its relational expression is: N1=1.544; V1=56; N2=1.632; V2=23.
The detailed structured data of second embodiment is as in Fig. 2 C shown in table three, its aspherical surface data is as in 2D figure shown in table four, wherein, radius-of-curvature, the unit of thickness and focal length is millimetre (mm), and table three, surface 1 contained in four, 2 things being respectively this first eyeglass 210, surface, image side 211, 212, surface 4, 5 things being respectively this second eyeglass 220, surface, image side 221, 222, surface 6, 7 things being respectively the 3rd eyeglass 230, surface, image side 231, 232, surface 8, 9 things being respectively the 4th eyeglass 240, surface, image side 241, 242, surface 10, 11 things being respectively the 5th eyeglass 250, surface, image side 251, 252.
3rd embodiment
The one five chip imaging lens set that third embodiment of the invention provides, refer to Fig. 3 A, 3B, this Fig. 3 A is five chip imaging eyeglass group configuration schematic diagram of third embodiment of the invention, and Fig. 3 B is third embodiment of the invention aberration curve figure, and the 3rd embodiment comprises from thing side A to image side B:
First eyeglass 310 of the positive refracting power of one tool, its material is plastics, and the thing side surface 311 of this first eyeglass 310 is convex surface, this surface, image side 312 is convex surface, and thing side surface 311 and the surface, image side 312 of this first eyeglass 310 are all set to aspheric surface.
One smooth hurdle 300.
One tool bears the second eyeglass 320 of refracting power, and its material is plastics, and the thing side surface 321 of this second eyeglass 320 is concave surface, this surface, image side 322 is concave surface, and thing side surface 321 and the surface, image side 322 of this second eyeglass 320 are all set to aspheric surface.
3rd eyeglass 330 of the positive refracting power of one tool, its material is plastics, and the thing side surface 331 of the 3rd eyeglass 330 is concave surface, this surface, image side 332 is convex surface, and thing side surface 331 and the surface, image side 332 of the 3rd eyeglass 330 are all set to aspheric surface.
4th eyeglass 340 of the positive refracting power of one tool, its material is plastics, and the thing side surface 341 of the 4th eyeglass 340 is concave surface, this surface, image side 342 is convex surface, and thing side surface 341 and the surface, image side 342 of the 4th eyeglass 340 are all set to aspheric surface.
One tool bears refracting power the 5th eyeglass 350, and its material is plastics, and the thing side surface 351 of the 5th eyeglass 350 is convex surface, this surface, image side 352 is concave surface, and thing side surface 351 and the surface, image side 352 of the 5th eyeglass 350 are all set to aspheric surface.
One infrared ray filtering optical filter 360, it is located between the 5th surface, eyeglass 350 image side 352 and an imaging surface 370, and the material of this infrared ray filtering optical filter 360 is glass and does not affect the focal length of this five chips imaging lens set.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein z is highly for the position of h is with surface vertices positional value for referencial use along optical axis 380 direction; K is cone normal manner amount; C is the inverse of radius-of-curvature; A, B, C, D, E, G ... for order aspherical coefficients.
In 3rd embodiment, the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: f=3.67.
In 3rd embodiment, the overall f-number (f-number) of this five chips imaging lens set is Fno, and its relational expression is: Fno=2.2.
In 3rd embodiment, the picture angle of this five chips imaging lens set is 2 ω, and its relational expression is: 2 ω=78 °.
In 3rd embodiment, the focal length of this first eyeglass 310 is f1, and the focal length of this second eyeglass 320 is f2, and its relational expression is: | f1|/| f2|=0.5951.
In 3rd embodiment, the focal length of this first eyeglass 310 is f1, and the synthesis focal length of this second eyeglass 320 and the 3rd eyeglass 330 is f23, and its relational expression is: | f1|/| f23|=0.5628.
In 3rd embodiment, the focal length of this second eyeglass 320 is f2, and the synthesis focal length of the 3rd eyeglass 330 and the 4th eyeglass 340 is f34, and its relational expression is: | f2|/| f34|=1.4379.
In 3rd embodiment, the focal length of the 4th eyeglass 340 is f4, and the focal length of the 5th eyeglass 350 is f5, and its relational expression is: | f4|/| f5|=0.9599.
In 3rd embodiment, the synthesis focal length of this first eyeglass 310 and this second eyeglass 320 is f12, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f12|/f=0.9758.
In 3rd embodiment, the synthesis focal length of this first eyeglass 310, this second eyeglass 320 and the 3rd eyeglass 330 is f123, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f123|/f=0.9480.
In 3rd embodiment, imaging surface 370 image radius is IH, and the thing side surface 311 of this first eyeglass 310 is TL to the distance of imaging surface 370 on optical axis 380, and its relational expression is: | IH/TL|=0.8307.
In 3rd embodiment, the entirety of this five chips imaging lens set synthesis focal length is f, and the thing side surface 311 of this first eyeglass 310 is TL to the distance of imaging surface 370 on optical axis 380, and its relational expression is: | f/TL|=1.2611.
In 3rd embodiment, the refractive index of this first eyeglass 310 is N1, the Abbe number of this first eyeglass 310 is V1, the refractive index of this second eyeglass 320 is N2, the Abbe number of this second eyeglass 320 is V2, and its relational expression is: N1=1.535; V1=56; N2=1.632; V2=23.
The detailed structured data of 3rd embodiment is as in Fig. 3 C shown in table five, its aspherical surface data is as in Fig. 3 D shown in table six, wherein, radius-of-curvature, the unit of thickness and focal length is millimetre (mm), and table five, surface 1 contained in six, 2 things being respectively this first eyeglass 310, surface, image side 311, 312, surface 4, 5 things being respectively this second eyeglass 320, surface, image side 321, 322, surface 6, 7 things being respectively the 3rd eyeglass 330, surface, image side 331, 332, surface 8, 9 things being respectively the 4th eyeglass 340, surface, image side 341, 342, surface 10, 11 things being respectively the 5th eyeglass 350, surface, image side 351, 352.
4th embodiment
The one five chip imaging lens set that fourth embodiment of the invention provides, refer to Fig. 4 A, 4B, this Fig. 4 A is five chip imaging eyeglass group configuration schematic diagram of fourth embodiment of the invention, and Fig. 4 B is fourth embodiment of the invention aberration curve figure, and the 4th embodiment comprises from thing side A to image side B:
First eyeglass 410 of the positive refracting power of one tool, its material is plastics, and the thing side surface 411 of this first eyeglass 410 is convex surface, this surface, image side 412 is convex surface, and thing side surface 411 and the surface, image side 412 of this first eyeglass 410 are all set to aspheric surface.
One smooth hurdle 400.
One tool bears the second eyeglass 420 of refracting power, and its material is plastics, and the thing side surface 421 of this second eyeglass 420 is concave surface, this surface, image side 422 is concave surface, and thing side surface 421 and the surface, image side 422 of this second eyeglass 420 are all set to aspheric surface.
3rd eyeglass 430 of the positive refracting power of one tool, its material is plastics, and the thing side surface 431 of the 3rd eyeglass 430 is concave surface, this surface, image side 432 is convex surface, and thing side surface 431 and the surface, image side 432 of the 3rd eyeglass 430 are all set to aspheric surface.
4th eyeglass 440 of the positive refracting power of one tool, its material is plastics, and the thing side surface 441 of the 4th eyeglass 440 is concave surface, this surface, image side 442 is convex surface, and thing side surface 441 and the surface, image side 442 of the 4th eyeglass 440 are all set to aspheric surface.
One tool bears refracting power the 5th eyeglass 450, and its material is plastics, and the thing side surface 451 of the 5th eyeglass 450 is convex surface, this surface, image side 452 is concave surface, and thing side surface 451 and the surface, image side 452 of the 5th eyeglass 450 are all set to aspheric surface.
One infrared ray filtering optical filter 460, it is located between the 5th surface, eyeglass 450 image side 452 and an imaging surface 470, and the material of this infrared ray filtering optical filter 460 is glass and does not affect the focal length of this five chips imaging lens set.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein z is highly for the position of h is with surface vertices positional value for referencial use along optical axis 480 direction; K is cone normal manner amount; C is the inverse of radius-of-curvature; A, B, C, D, E, G ... for order aspherical coefficients.
In 4th embodiment, the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: f=4.13.
In 4th embodiment, the overall f-number (f-number) of this five chips imaging lens set is Fno, and its relational expression is: Fno=2.2.
In 4th embodiment, the picture angle of this five chips imaging lens set is 2 ω, and its relational expression is: 2 ω=72 °.
In 4th embodiment, the focal length of this first eyeglass 410 is f1, and the focal length of this second eyeglass 420 is f2, and its relational expression is: | f1|/| f2|=0.6969.
In 4th embodiment, the focal length of this first eyeglass 410 is f1, and the synthesis focal length of this second eyeglass 420 and the 3rd eyeglass 430 is f23, and its relational expression is: | f1|/| f23|=0.5256.
In 4th embodiment, the focal length of this second eyeglass 420 is f2, and the synthesis focal length of the 3rd eyeglass 430 and the 4th eyeglass 440 is f34, and its relational expression is: | f2|/| f34|=1.0029.
In 4th embodiment, the focal length of the 4th eyeglass 440 is f4, and the focal length of the 5th eyeglass 450 is f5, and its relational expression is: | f4|/| f5|=1.0272.
In 4th embodiment, the synthesis focal length of this first eyeglass 410 and this second eyeglass 420 is f12, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f12|/f=0.9423.
In 4th embodiment, the synthesis focal length of this first eyeglass 410, this second eyeglass 420 and the 3rd eyeglass 430 is f123, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f123|/f=0.9006.
In 4th embodiment, imaging surface 470 image radius is IH, and the thing side surface 411 of this first eyeglass 410 is TL to the distance of imaging surface 470 on optical axis 480, and its relational expression is: | IH/TL|=0.7374.
In 4th embodiment, the entirety of this five chips imaging lens set synthesis focal length is f, and the thing side surface 411 of this first eyeglass 410 is TL to the distance of imaging surface 470 on optical axis 480, and its relational expression is: | f/TL|=1.1918.
In 4th embodiment, the refractive index of this first eyeglass 410 is N1, the Abbe number of this first eyeglass 410 is V1, the refractive index of this second eyeglass 420 is N2, the Abbe number of this second eyeglass 420 is V2, and its relational expression is: N1=1.535; V1=56; N2=1.632; V2=23.
The detailed structured data of 4th embodiment is as in Fig. 4 C shown in table seven, its aspherical surface data is as in Fig. 4 D shown in table eight, wherein, radius-of-curvature, the unit of thickness and focal length is millimetre (mm), and table seven, surface 1 contained in eight, 2 things being respectively this first eyeglass 410, surface, image side 411, 412, surface 4, 5 things being respectively this second eyeglass 420, surface, image side 421, 422, surface 6, 7 things being respectively the 3rd eyeglass 430, surface, image side 431, 432, surface 8, 9 things being respectively the 4th eyeglass 440, surface, image side 441, 442, surface 10, 11 things being respectively the 5th eyeglass 450, surface, image side 451, 452.
5th embodiment
The one five chip imaging lens set that fifth embodiment of the invention provides, refer to Fig. 5 A, 5B, this Fig. 5 A is five chip imaging eyeglass group configuration schematic diagram of fifth embodiment of the invention, and Fig. 5 B is fifth embodiment of the invention aberration curve figure, and the 5th embodiment comprises from thing side A to image side B:
First eyeglass 510 of the positive refracting power of one tool, its material is plastics, and the thing side surface 511 of this first eyeglass 510 is convex surface, this surface, image side 512 is convex surface, and thing side surface 511 and the surface, image side 512 of this first eyeglass 510 are all set to aspheric surface.
One smooth hurdle 500.
One tool bears the second eyeglass 520 of refracting power, and its material is plastics, and the thing side surface 521 of this second eyeglass 520 is concave surface, this surface, image side 522 is concave surface, and thing side surface 521 and the surface, image side 522 of this second eyeglass 520 are all set to aspheric surface.
3rd eyeglass 530 of the positive refracting power of one tool, its material is plastics, and the thing side surface 531 of the 3rd eyeglass 530 is convex surface, this surface, image side 532 is convex surface, and thing side surface 531 and the surface, image side 532 of the 3rd eyeglass 530 are all set to aspheric surface.
4th eyeglass 540 of the positive refracting power of one tool, its material is plastics, and the thing side surface 541 of the 4th eyeglass 540 is concave surface, this surface, image side 542 is convex surface, and thing side surface 541 and the surface, image side 542 of the 4th eyeglass 540 are all set to aspheric surface.
One tool bears refracting power the 5th eyeglass 550, and its material is plastics, and the thing side surface 551 of the 5th eyeglass 550 is convex surface, this surface, image side 552 is concave surface, and thing side surface 551 and the surface, image side 552 of the 5th eyeglass 550 are all set to aspheric surface.
One infrared ray filtering optical filter 560, it is located between the 5th surface, eyeglass 550 image side 552 and an imaging surface 570, and the material of this infrared ray filtering optical filter 560 is glass and does not affect the focal length of this five chips imaging lens set.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein z is highly for the position of h is with surface vertices positional value for referencial use along optical axis 580 direction; K is cone normal manner amount; C is the inverse of radius-of-curvature; A, B, C, D, E, G ... for order aspherical coefficients.
In 5th embodiment, the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: f=4.10.
In 5th embodiment, the overall f-number (f-number) of this five chips imaging lens set is Fno, and its relational expression is: Fno=2.2.
In 5th embodiment, the picture angle of this five chips imaging lens set is 2 ω, and its relational expression is: 2 ω=71.5 °.
In 5th embodiment, the focal length of this first eyeglass 510 is f1, and the focal length of this second eyeglass 520 is f2, and its relational expression is: | f1|/| f2|=0.52295.
In 5th embodiment, the focal length of this first eyeglass 510 is f1, and the synthesis focal length of this second eyeglass 520 and the 3rd eyeglass 530 is f23, and its relational expression is: | f1|/| f23|=0.58686.
In 5th embodiment, the focal length of this second eyeglass 520 is f2, and the synthesis focal length of the 3rd eyeglass 530 and the 4th eyeglass 540 is f34, and its relational expression is: | f2|/| f34|=1.27233.
In 5th embodiment, the focal length of the 4th eyeglass 540 is f4, and the focal length of the 5th eyeglass 550 is f5, and its relational expression is: | f4|/| f5|=1.54187.
In 5th embodiment, the synthesis focal length of this first eyeglass 510 and this second eyeglass 520 is f12, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f12|/f=1.026441.
In 5th embodiment, the synthesis focal length of this first eyeglass 510, this second eyeglass 520 and the 3rd eyeglass 530 is f123, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f123|/f=0.824081.
In 5th embodiment, imaging surface 570 image radius is IH, and the thing side surface 511 of this first eyeglass 510 is TL to the distance of imaging surface 570 on optical axis 580, and its relational expression is: | IH/TL|=0.732.
In 5th embodiment, the entirety of this five chips imaging lens set synthesis focal length is f, and the thing side surface 511 of this first eyeglass 510 is TL to the distance of imaging surface 570 on optical axis 580, and its relational expression is: | f/TL|=1.125267.
In 5th embodiment, the refractive index of this first eyeglass 510 is N1, the Abbe number of this first eyeglass 510 is V1, the refractive index of this second eyeglass 520 is N2, the Abbe number of this second eyeglass 520 is V2, and its relational expression is: N1=1.544; V1=56; N2=1.632; V2=23.
The detailed structured data of 5th embodiment is as in Fig. 5 C shown in table nine, its aspherical surface data is as in Fig. 5 D shown in table ten, wherein, radius-of-curvature, the unit of thickness and focal length is millimetre (mm), and table nine, surface 1 contained in ten, 2 things being respectively this first eyeglass 510, surface, image side 511, 512, surface 4, 5 things being respectively this second eyeglass 520, surface, image side 521, 522, surface 6, 7 things being respectively the 3rd eyeglass 530, surface, image side 531, 532, surface 8, 9 things being respectively the 4th eyeglass 540, surface, image side 541, 542, surface 10, 11 things being respectively the 5th eyeglass 550, surface, image side 551, 552.
6th embodiment
The one five chip imaging lens set that sixth embodiment of the invention provides, refer to Fig. 6 A, 6B, this Fig. 6 A is five chip imaging eyeglass group configuration schematic diagram of sixth embodiment of the invention, and Fig. 6 B is sixth embodiment of the invention aberration curve figure, and the 6th embodiment comprises from thing side A to image side B:
One smooth hurdle 600.
First eyeglass 610 of the positive refracting power of one tool, its material is plastics, and the thing side surface 611 of this first eyeglass 610 is convex surface, this surface, image side 612 is convex surface, and thing side surface 611 and the surface, image side 612 of this first eyeglass 610 are all set to aspheric surface.
One tool bears the second eyeglass 620 of refracting power, and its material is plastics, and the thing side surface 621 of this second eyeglass 620 is concave surface, this surface, image side 622 is concave surface, and thing side surface 621 and the surface, image side 622 of this second eyeglass 620 are all set to aspheric surface.
One tool bears the 3rd eyeglass 630 of refracting power, and its material is plastics, and the thing side surface 631 of the 3rd eyeglass 630 is concave surface, this surface, image side 632 is convex surface, and thing side surface 631 and the surface, image side 632 of the 3rd eyeglass 630 are all set to aspheric surface.
4th eyeglass 640 of the positive refracting power of one tool, its material is plastics, and the thing side surface 641 of the 4th eyeglass 640 is concave surface, this surface, image side 642 is convex surface, and thing side surface 641 and the surface, image side 642 of the 4th eyeglass 640 are all set to aspheric surface.
One tool bears refracting power the 5th eyeglass 650, and its material is plastics, and the thing side surface 651 of the 5th eyeglass 650 is concave surface, this surface, image side 652 is concave surface, and thing side surface 651 and the surface, image side 652 of the 5th eyeglass 650 are all set to aspheric surface.
One infrared ray filtering optical filter 660, it is located between the 5th surface, eyeglass 650 image side 652 and an imaging surface 670, and the material of this infrared ray filtering optical filter 660 is glass and does not affect the focal length of this five chips imaging lens set.
The equation of above-mentioned aspheric curve is expressed as follows:
Wherein z is highly for the position of h is with surface vertices positional value for referencial use along optical axis 680 direction; K is cone normal manner amount; C is the inverse of radius-of-curvature; A, B, C, D, E, G ... for order aspherical coefficients.
In 6th embodiment, the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: f=3.29.
In 6th embodiment, the overall f-number (f-number) of this five chips imaging lens set is Fno, and its relational expression is: Fno=2.4.
In 6th embodiment, the picture angle of this five chips imaging lens set is 2 ω, and its relational expression is: 2 ω=72 °.
In 6th embodiment, the focal length of this first eyeglass 610 is f1, and the focal length of this second eyeglass 120 is f2, and its relational expression is: | f1|/| f2|=0.4409.
In 6th embodiment, the focal length of this first eyeglass 610 is f1, and the synthesis focal length of this second eyeglass 620 and the 3rd eyeglass 630 is f23, and its relational expression is: | f1|/| f23|=0.59426.
In 6th embodiment, the focal length of this second eyeglass 620 is f2, and the synthesis focal length of the 3rd eyeglass 630 and the 4th eyeglass 640 is f34, and its relational expression is: | f2|/| f34|=2.38843.
In 6th embodiment, the focal length of the 4th eyeglass 640 is f4, and the focal length of the 5th eyeglass 650 is f5, and its relational expression is: | f4|/| f5|=1.12698.
In 6th embodiment, the synthesis focal length of this first eyeglass 610 and this second eyeglass 620 is f12, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f12|/f=0.981891.
In 6th embodiment, the synthesis focal length of this first eyeglass 610, this second eyeglass 620 and the 3rd eyeglass 630 is f123, and the entirety synthesis focal length of this five chips imaging lens set is f, and its relational expression is: | f123|/f=1.174148.
In 6th embodiment, imaging surface 670 image radius is IH, and the thing side surface 611 of this first eyeglass 610 is TL to the distance of imaging surface 670 on optical axis 680, and its relational expression is: | IH/TL|=0.6283.
In 6th embodiment, the entirety of this five chips imaging lens set synthesis focal length is f, and the thing side surface 611 of this first eyeglass 610 is TL to the distance of imaging surface 670 on optical axis 680, and its relational expression is: | f/TL|=0.844369.
In 6th embodiment, the refractive index of this first eyeglass 610 is N1, the Abbe number of this first eyeglass 610 is V1, the refractive index of this second eyeglass 620 is N2, the Abbe number of this second eyeglass 620 is V2, and its relational expression is: N1=1.544; V1=56; N2=1.634; V2=23.9.
The detailed structured data of 6th embodiment is as in Fig. 6 C shown in table ten one, its aspherical surface data is as in Fig. 6 D shown in table ten two, wherein, radius-of-curvature, the unit of thickness and focal length is millimetre (mm), and table ten one, surface 2 contained in 12, 3 things being respectively this first eyeglass 610, surface, image side 611, 612, surface 4, 5 things being respectively this second eyeglass 620, surface, image side 621, 622, surface 6, 7 things being respectively the 3rd eyeglass 630, surface, image side 631, 632, surface 8, 9 things being respectively the 4th eyeglass 640, surface, image side 641, 642, surface 10, 11 things being respectively the 5th eyeglass 650, surface, image side 651, 652.
What deserves to be explained is; table ten in table seven in table four in table two in table one in Fig. 1 C, Fig. 1 D, the table three in Fig. 2 C, Fig. 2 D, the table five in Fig. 3 C, the table six in Fig. 3 D, Fig. 4 C, the table eight in Fig. 4 D, the table nine in Fig. 5 C, Fig. 5 D, the table ten one in Fig. 6 C, table ten two in Fig. 6 D are the different numerical value change tables of each embodiment of five chip imaging lens set of the present invention; the numerical value change of right various embodiments of the present invention is all true tests gained; even if use different numerical value, mutually isostructural product still belongs to protection category of the present invention.Table ten in Fig. 7 three is the correspondence table of each relational expression in each embodiment.
In the present invention five chip imaging lens set, the material of each eyeglass can be glass or plastics, if the material of each eyeglass is glass, then can increase the degree of freedom of this five chips imaging lens set refracting power configuration, if each eyeglass material is plastics, then effectively can reduce production cost.
In the present invention five chip imaging lens set, if lens surface is convex surface, then represent that this lens surface is convex surface in dipped beam axle place; If lens surface is concave surface, then represent that this lens surface is concave surface in dipped beam axle place.
Claims (11)
1. five chip imaging lens set, is characterized in that: sequentially comprised to image side by thing side:
First eyeglass of the positive refracting power of one tool, its thing side surface is convex surface, and the thing side surface of this first eyeglass and surface, image side are at least simultaneously aspheric surface;
One tool bears the second eyeglass of refracting power, and its surface, image side is concave surface, and the thing side surface of this second eyeglass and surface, image side are at least simultaneously aspheric surface;
3rd eyeglass of the positive refracting power of one tool, its thing side surface and surface, image side at least one side are aspheric surface;
4th eyeglass of the positive refracting power of one tool, its thing side surface is concave surface, surface, image side is convex surface, and the thing side surface of the 4th eyeglass and surface, image side are at least simultaneously aspheric surface;
One tool bears the 5th eyeglass of refracting power, and its surface, image side is concave surface, and the thing side surface of the 5th eyeglass and surface, image side are at least simultaneously aspheric surface;
The refractive index of wherein said first eyeglass is N1, the Abbe number of this first eyeglass is V1, the refractive index of this second eyeglass is N2, the Abbe number of this second eyeglass is V2, meets following relationship respectively: N1 < 1.57; V1 > 40; N2 > 1.57; V2 < 40.
2. five chip imaging lens set as claimed in claim 1, is characterized in that: more comprise one and be arranged at light hurdle between this first eyeglass and this second eyeglass.
3. five chip imaging lens set as claimed in claim 1, is characterized in that: more comprise one and be arranged at light hurdle before this first eyeglass thing side surface.
4. five chip imaging lens set as claimed in claim 1, it is characterized in that: the focal length of described first eyeglass is f1, the focal length of this second eyeglass is f2, and both meet following relationship: 0.3 < | f1|/| f2| < 0.9.
5. five chip imaging lens set as claimed in claim 1, it is characterized in that: the focal length of described first eyeglass is f1, the synthesis focal length of this second eyeglass and the 3rd eyeglass is f23, and both meet following relationship: 0.3 < | f1|/| f23| < 0.8.
6. five chip imaging lens set as claimed in claim 1, it is characterized in that: the focal length of described second eyeglass is f2, the synthesis focal length of the 3rd eyeglass and the 4th eyeglass is f34, and both meet following relationship: 0.7 < | f2|/| f34| < 2.7.
7. five chip imaging lens set as claimed in claim 1, it is characterized in that: the focal length of described 4th eyeglass is f4, the focal length of the 5th eyeglass is f5, and both meet following relationship: 0.7 < | f4|/| f5| < 1.7.
8. five chip imaging lens set as claimed in claim 1, it is characterized in that: the synthesis focal length of described first eyeglass, this second eyeglass is f12, the entirety synthesis focal length of this five chips imaging lens set is f, and both meet following relationship: 0.75 < | f12|/f < 1.25.
9. five chip imaging lens set as claimed in claim 1, it is characterized in that: the synthesis focal length of described first eyeglass, this second eyeglass and the 3rd eyeglass is f123, the entirety synthesis focal length of this five chips imaging lens set is f, and both meet following relationship: 0.6 < | f123|/f < 0.25.
10. five chip imaging lens set as claimed in claim 1, it is characterized in that: imaging surface image radius is IH, the thing side surface of this first eyeglass is TL to the distance of imaging surface on optical axis, and both meet following relationship: 0.55 < | IH/TL| < 0.95.
11. five chip imaging lens set as claimed in claim 1, it is characterized in that: the entirety synthesis focal length of described five chip imaging lens set is f, the thing side surface of this first eyeglass is TL to the distance of imaging surface on optical axis, and both meet following relationship: 0.75 < | f/TL| < 1.5.
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| CN111025535B (en) * | 2019-12-16 | 2021-12-14 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
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| CN101782676A (en) * | 2009-01-15 | 2010-07-21 | 大立光电股份有限公司 | Imaging optical lens group |
| CN101995641A (en) * | 2009-08-24 | 2011-03-30 | 大立光电股份有限公司 | Photographic lens system |
| US8179615B1 (en) * | 2011-01-07 | 2012-05-15 | Largan Precision Co. | Image pickup optical lens assembly |
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| CN101782676A (en) * | 2009-01-15 | 2010-07-21 | 大立光电股份有限公司 | Imaging optical lens group |
| CN101995641A (en) * | 2009-08-24 | 2011-03-30 | 大立光电股份有限公司 | Photographic lens system |
| US8179615B1 (en) * | 2011-01-07 | 2012-05-15 | Largan Precision Co. | Image pickup optical lens assembly |
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