CN102313970A - Imaging optics lens group - Google Patents
Imaging optics lens group Download PDFInfo
- Publication number
- CN102313970A CN102313970A CN2010102252526A CN201010225252A CN102313970A CN 102313970 A CN102313970 A CN 102313970A CN 2010102252526 A CN2010102252526 A CN 2010102252526A CN 201010225252 A CN201010225252 A CN 201010225252A CN 102313970 A CN102313970 A CN 102313970A
- Authority
- CN
- China
- Prior art keywords
- lens
- image optics
- lens set
- focal length
- thing side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Lenses (AREA)
Abstract
The invention discloses an imaging optics lens group which sequentially comprises a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a fourth lens with negative refractive power and a fifth lens from an object side to an image side, wherein the object side surface of the first lens is a convex surface; the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the object side surface of the third lens is a concave surface, and the image side surface of the third lens is a convex surface; the image side surface of the fourth lens is a concave surface, and the object side surface and the image side surface of the fourth lens are both aspheric surfaces; and the image side surface of the fifth lens is a concave surface, and the object side surface and the image side surface of the fifth lens are both aspheric surfaces. The imaging optics lens group is additionally provided with an aperture and an electronic photosensing unit for imaging a shot object, wherein the aperture is arranged between the shot object and the second lens, and the electronic photosensing unit is arranged at an imaging surface. Through the arrangement way of the lens group in the invention, the volume of the lens group can be effectively reduced, the sensitiveness of an optics system can be lowered, and higher resolution can be obtained.
Description
Technical field
The present invention relates to a kind of image optics lens set, relate in particular to a kind of miniaturization image optics lens set that is applied on the portable electronic product.
Background technology
Recent years, along with the rise of the portable electronic product with camera function, the demand of miniaturization phtographic lens day by day improves.And the photo-sensitive cell of general phtographic lens is nothing more than being sensitization coupling element (Charge Coupled Device; CCD) or two kinds of cmos devices (ComplementaryMetal-Oxide Semiconductor Sensor, CMOS Sensor).And because progressing greatly of manufacturing process technology makes the Pixel Dimensions of photo-sensitive cell dwindle, the miniaturization phtographic lens is the development toward high pixel field gradually, therefore, and to the also increase day by day of requirement of image quality.
Tradition is equipped on the miniaturization phtographic lens on the portable electronic product; Many employing four-piece type lens arrangements are main; Like United States Patent (USP) the 7th, 365, shown in No. 920; Wherein first lens and second lens are bonded to each other and become Doublet (doublet) with two sheet glass spherical mirrors, in order to color difference eliminating.But the method has its shortcoming, one of which, and too much glass spherical mirror configuration makes degree of freedom in system not enough, causes the total length of system to be difficult for shortening; Its two, the bonding manufacturing process of glass mirror is difficult for, and forms the difficulty on making easily.In addition, United States Patent (USP) the 7th, 643 has disclosed the phtographic lens that a kind of four separate lenses constitute for No. 225, includes a plurality of non-spherical lenses, can effectively shorten the total length of system, and obtain good image quality.
But because Smartphone (Smart Phone) and PDA high standard mobile devices such as (Personal Digital Assistant) is in vogue; Driven miniaturization phtographic lens riseing rapidly on pixel and image quality; Existing four-piece type lens combination can't satisfy the more phtographic lens module of high-order; Add electronic product constantly toward high-performance and lightening trend development, be equipped with the important target that high pixel, high performance miniaturization phtographic lens have just like become the development of high-order electronic product.
In view of this, be badly in need of a kind of being applicable on frivolous, the portable electronic product, image quality is good and be unlikely to the image optics lens set that makes the camera lens total length long.
Summary of the invention
The present invention provides a kind of image optics lens set, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of a tool, and its thing side surface is a convex surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface, the thing side surface of the 4th lens and be all aspheric surface as side surface; And one the 5th lens, it is a concave surface as side surface, the thing side surface of the 5th lens and be all aspheric surface as side surface; Wherein, This image optics lens set is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; This aperture is arranged between object and this second lens, and this sense electronics optical element is arranged at the imaging surface place, and the thing side surface radius-of-curvature of these first lens is R1; The focal length of whole image optics lens set is f; The distance of this aperture to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, satisfies following relationship formula: 0.25＜R1/f＜0.50; And 0.75＜SL/TTL＜1.10.
On the other hand, the present invention provides a kind of image optics lens set, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of a tool, and its thing side surface is a convex surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; One the 4th lens, it is a concave surface as side surface, the thing side surface of the 4th lens and be all aspheric surface as side surface; And one the 5th lens, it is a concave surface as side surface, the thing side surface of the 5th lens and be all aspheric surface as side surface; Wherein, This image optics lens set is provided with an aperture in addition, and this aperture is arranged between object and this second lens, and the focal length of these first lens is f1; The focal length of the 3rd lens is f3; In this image optics lens set the thing side surface of the tool refracting power lens of thing side to as the tool refracting power lens of side be Td as the distance of side surface on optical axis, the focal length of whole image optics lens set is f, satisfies following relationship formula: 0.55＜f1/f3＜1.30; And 0.80＜Td/f＜0.96.
The present invention is through above-mentioned lens set configuration mode, and effectively the susceptibility of contract lenses group volume, reduction optical system more can obtain higher resolving power.
In the image optics lens set of the present invention, the positive refracting power of this first lens tool provides system main refracting power, helps to shorten the total length of this image optics lens set.This second lens tool is born refracting power, and the aberration that can be effectively these first lens of the positive refracting power of tool be produced is done revisal, and helps the aberration of update the system simultaneously.The positive refracting power of the 3rd lens tool can effectively distribute the refracting power of these first lens, helps to reduce the susceptibility of system.The 4th lens can be had a negative refracting power, can form one just with the 3rd lens, negative looking in the distance (Telephoto) structure, can effectively reduce the total length of this image optics lens set.The 5th lens can be positive refracting power or negative refracting power lens, and it acts on as the revisal lens, but balance and each item aberration that update the system produced.When the positive refracting power of the 5th lens tool, can help the higher order aberratons of update the system, improve the resolving power of this image optics lens set; When the 5th lens tool was born refracting power, the principal point (Principal Point) that then can make optical system helped shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens.
In the image optics lens set of the present invention, these first lens can be a biconvex lens or a thing side surface is convex surface, is the crescent lens of concave surface as side surface.When these first lens are a biconvex lens, can effectively strengthen the refracting power configuration of these first lens, and then make the total length of this image optics lens set become shorter; When these first lens are the crescent lens of a convex-concave, then comparatively favourable for the astigmatism (Astigmatism) of update the system.The thing side surface of these second lens is convex surface and is concave surface as side surface, can be beneficial in the back focal length that increases system and the total length that reduces this image optics lens set to average out, and effective update the system aberration.The thing side surface of the 3rd lens is concave surface and is convex surface as side surface, can help to revise the astigmatism of this image optics lens set.The 4th lens as side surface be concave surface and these five lens be concave surface as side surface, the principal point that can make system helps shortening the optics total length of system further from imaging surface, to promote the miniaturization of camera lens; Further, preferably, the thing side surface of the 4th lens also is a concave surface.
In the image optics lens set of the present invention, this aperture can place between object and this first lens or between these first lens and this second lens.Through these first lens positive refracting power is provided, and when this aperture placed the object side near this image optics lens set, can effectively shortens the optics total length of this image optics lens set.In addition, above-mentioned configuration can make the outgoing pupil (Exit Pupil) of this image optics lens set away from imaging surface, and therefore, light will be incident on the mode near vertical incidence on the photo-sensitive cell, and this is the heart far away (Telecentric) characteristic of picture side.Heart characteristic far away is very important for the photoperceptivity of solid-state electronic photo-sensitive cell, and with making the sensitization susceptibility of sense electronics optical element improve, the minimizing system produces the possibility at dark angle.In addition, can be provided with the point of inflexion by the 5th lens, the light that more can suppress effectively from the axle visual field is incident on the angle on this photo-sensitive cell, and the further aberration of modified off-axis visual field.On the other hand; When this aperture being placed more near this second lens place; The characteristic that can help Wide-angle; Help to distort the correction that (Distortion) and multiplying power look are received poor (Chromatic Aberration of Magnification), and so configuration mode helps reducing the susceptibility of system.Therefore, in the image optics lens set of the present invention, if this aperture is arranged between object and this second lens, purpose is to make this image optics lens set in heart characteristic far away and Wide-angle, to obtain good balance; When aperture being placed between object and this first lens, focus on heart characteristic far away, the total length of whole image optics lens set can be shorter.
Description of drawings
Figure 1A is the optical system synoptic diagram of first embodiment of the invention;
Figure 1B is the aberration curve figure of first embodiment of the invention;
Fig. 2 A is the optical system synoptic diagram of second embodiment of the invention;
Fig. 2 B is the aberration curve figure of second embodiment of the invention;
Fig. 3 A is the optical system synoptic diagram of third embodiment of the invention;
Fig. 3 B is the aberration curve figure of third embodiment of the invention;
Fig. 4 A is the optical system synoptic diagram of fourth embodiment of the invention;
Fig. 4 B is the aberration curve figure of fourth embodiment of the invention;
Fig. 5 A is the optical system synoptic diagram of fifth embodiment of the invention;
Fig. 5 B is the aberration curve figure of fifth embodiment of the invention;
Fig. 6 is a table one, is the optical data of first embodiment of the invention;
Fig. 7 A is that table two A and Fig. 7 B are table two B, is the aspherical surface data of first embodiment of the invention;
Fig. 8 is a table three, is the optical data of second embodiment of the invention;
Fig. 9 is a table four, is the aspherical surface data of second embodiment of the invention;
Figure 10 is a table five, is the optical data of third embodiment of the invention;
Figure 11 A is that table six A and Figure 11 B are table six B, is the aspherical surface data of third embodiment of the invention;
Figure 12 is a table seven, is the optical data of fourth embodiment of the invention;
Figure 13 is a table eight, is the aspherical surface data of fourth embodiment of the invention;
Figure 14 is a table nine, is the optical data of fifth embodiment of the invention;
Figure 15 A is that table ten A and Figure 15 B are table ten B, is the aspherical surface data of fifth embodiment of the invention;
Figure 16 is a table ten one, is the numeric data of the present invention's first to the 5th embodiment correlationship formula.
Drawing reference numeral:
Aperture 100,200,300,400,500
First lens 110,210,310,410,510
Thing side surface 111,211,311,411,511
Picture side surface 112,212,312,412,512
Second lens 120,220,320,420,520
Thing side surface 121,221,321,421,521
Picture side surface 122,222,322,422,522
The 3rd lens 130,230,330,430,530
Thing side surface 131,231,331,431,531
Picture side surface 132,232,332,432,532
The 4th lens 140,240,340,440,540
Thing side surface 141,241,341,441,541
Picture side surface 142,242,342,442,542
The 5th lens 150,250,350,450,550
Thing side surface 151,251,351,451,551
Picture side surface 152,252,352,452,552
Infrared ray filtering optical filter 160,260,360,460,560
Imaging surface 170,270,370,470,570
The focal length of whole image optics lens set is f
The focal length of first lens is f1
The focal length of the 3rd lens is f3
The focal length of the 5th lens is f5
The abbe number of first lens is V1
The abbe number of second lens is V2
The thing side surface radius-of-curvature of first lens is R1
Second lens be R4 as the side surface radius-of-curvature
The thickness of second lens on optical axis is CT2
The 3rd lens and the spacing distance of the 4th lens on optical axis are T34
The thing side surface of the tool refracting power lens of thing side is to as the picture side surface of the tool refracting power lens of side
Distance on optical axis is Td
The distance of thing side surface to sense electronics optical element on optical axis of first lens is TTL
The half the of sense electronics optical element effective pixel area diagonal angle line length is ImgH
Embodiment
For making the object of the invention, technical scheme and advantage clearer, the embodiment of the invention is explained further details below in conjunction with accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as to qualification of the present invention.
The present invention provides a kind of image optics lens set, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of a tool, and its thing side surface is a convex surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface, the thing side surface of the 4th lens and be all aspheric surface as side surface; And one the 5th lens, it is a concave surface as side surface, the thing side surface of the 5th lens and be all aspheric surface as side surface; Wherein, This image optics lens set is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; This aperture is arranged between object and this second lens, and this sense electronics optical element is arranged at the imaging surface place, and the thing side surface radius-of-curvature of these first lens is R1; The focal length of whole image optics lens set is f; The distance of this aperture to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, satisfies following relationship formula: 0.25＜R1/f＜0.50; And 0.75＜SL/TTL＜1.10.
When aforementioned image optics lens set satisfies following relationship formula: 0.25＜R1/f＜0.50, can provide these first lens enough positive refracting powers, and avoid producing too much higher order aberratons simultaneously.When aforementioned image optics lens set satisfies following relationship formula: 0.75＜SL/TTL＜1.10, help this image optics lens set and in heart characteristic far away and Wide-angle, obtain good balance; Further, preferably, this aperture is arranged between object and this first lens, and satisfies following relationship formula: 0.92＜SL/TTL＜1.05, focuses on heart characteristic far away, and the total length of whole image optics lens set can be shorter.
In the aforementioned image optics lens set of the present invention, preferably, the thing side surface of the 4th lens is a concave surface; This moment, the 4th lens were the form of lens of a concave-concave; The principal point that helps to make system helps shortening the optics total length of system further from imaging surface, to promote the miniaturization of camera lens.
In the aforementioned image optics lens set of the present invention; Preferably; The 5th lens be provided with at least one point of inflexion as side surface, the light that can suppress effectively from the axle visual field is incident on the angle on the photo-sensitive cell, and the further aberration of modified off-axis visual field; Preferably, the material of the 5th lens is a plastic cement, and the weight of mirror group can be effectively lowered in the use of plastic cement material lens, more can effectively reduce production costs.
In the aforementioned image optics lens set of the present invention, the focal length of whole image optics lens set is f, and the focal length of these first lens is f1, preferably, satisfies following relationship formula: 1.00＜f/f1＜1.80.When f/f1 satisfies the above-mentioned relation formula; The refracting power size configure of these first lens is balance comparatively, and the effective total length of control system is kept the characteristic of miniaturization; And can avoid high-order spherical aberration (High Order SphericalAberration) excessively to increase simultaneously, and then promote image quality; Further, preferably, satisfy following relationship formula: 1.30＜f/f1＜1.70.
In the aforementioned image optics lens set of the present invention, the focal length of these first lens is f1, and the focal length of the 3rd lens is f3, preferably, satisfies following relationship formula: 0.55＜f1/f3＜1.30.When f1/f3 satisfies the above-mentioned relation formula, can effectively distribute the refracting power of these first lens and guarantee that simultaneously the refracting power of the 3rd lens can be not excessive, the generation that helps reducing system sensitivity and reduce aberration.
In the aforementioned image optics lens set of the present invention, the abbe number of these first lens is V1, and the abbe number of these second lens is V2, preferably, satisfies following relationship formula: 30.0＜V1-V2＜42.0.When V1-V2 satisfies the above-mentioned relation formula, help the correction of aberration in this image optics lens set.
In the aforementioned image optics lens set of the present invention, these second lens be R4 as the side surface radius-of-curvature, the focal length of whole image optics lens set is f, preferably, satisfies following relationship formula: 0.30＜R4/f＜0.57.When R4/f satisfies the above-mentioned relation formula, can effectively increase the back focal length of system, there are enough back focal length can place other member to guarantee this image optics lens set.
In the aforementioned image optics lens set of the present invention; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in this image optics lens set; The focal length of whole image optics lens set is f; Preferably, satisfy following relationship formula: 0.80＜Td/f＜0.96.When Td/f satisfies the above-mentioned relation formula, can make the configuration of mirror group in the system comparatively tight, to promote the miniaturization of camera lens; Further, preferably, satisfy following relationship formula: 0.80＜Td/f＜0.93.
In the aforementioned image optics lens set of the present invention, the thickness of these second lens on optical axis is CT2, and the focal length of whole image optics lens set is f, preferably, satisfies the following relationship formula: 0.30＜(CT2/f) * 10＜0.95.When CT2/f satisfies the above-mentioned relation formula; The lens thickness size of these second lens is comparatively suitable; Can obtain good balance considering between eyeglass manufacturing process yields and the update the system aberration, and help mouldability and the homogenieity of plastic lens when ejection formation.
In the aforementioned image optics lens set of the present invention, the focal length of whole image optics lens set is f, and the focal length of the 5th lens is f5, preferably, satisfies the following relationship formula: | f/f5|＜0.35.When | when f/f5| satisfied the above-mentioned relation formula, the effect of the 5th lens helped the astigmatism and the distortion of update the system as the revisal lens, improves the resolving power of this image optics lens set.
In the aforementioned image optics lens set of the present invention, the 3rd lens and the spacing distance of the 4th lens on optical axis are T34, and the focal length of whole image optics lens set is f, preferably, satisfies the following relationship formula: 0.50＜(T34/f) * 100＜4.50.When T34/f satisfies the above-mentioned relation formula, help revising the higher order aberratons of this image optics lens set, with the elevator system image quality.
In the aforementioned image optics lens set of the present invention; The distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, preferably, satisfies following relationship formula: TTL/ImgH＜1.95.When TTL/ImgH satisfies the above-mentioned relation formula, help keeping the miniaturization of this image optics lens set, to be equipped on the frivolous portable electronic product.
On the other hand, the present invention provides a kind of image optics lens set, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of a tool, and its thing side surface is a convex surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; One the 4th lens, it is a concave surface as side surface, the thing side surface of the 4th lens and be all aspheric surface as side surface; And one the 5th lens, it is a concave surface as side surface, the thing side surface of the 5th lens and be all aspheric surface as side surface; Wherein, This image optics lens set is provided with an aperture in addition, and this aperture is arranged between object and this second lens, and the focal length of these first lens is f1; The focal length of the 3rd lens is f3; In this image optics lens set the thing side surface of the tool refracting power lens of thing side to as the tool refracting power lens of side be Td as the distance of side surface on optical axis, the focal length of whole image optics lens set is f, satisfies following relationship formula: 0.55＜f1/f3＜1.30; And 0.80＜Td/f＜0.96.
When aforementioned image optics lens set satisfies following relationship formula: 0.55＜f1/f3＜1.30, can effectively distribute the refracting power of these first lens and guarantee that simultaneously the refracting power of the 3rd lens can be not excessive, the generation that helps reducing system sensitivity and reduce aberration; Further, preferably, satisfy following relationship formula: 0.65＜f1/f3＜1.00.When aforementioned image optics lens set satisfies following relationship formula: 0.80＜Td/f＜0.96, can make the configuration of mirror group in the system comparatively tight, to promote the miniaturization of camera lens; Further, preferably, satisfy following relationship formula: 0.80＜Td/f＜0.93.
In the aforementioned image optics lens set of the present invention, preferably, the 4th lens tool is born refracting power, can form one just with the 3rd lens, the negative structure of looking in the distance, and can effectively reduce the total length of this image optics lens set.
In the aforementioned image optics lens set of the present invention; Preferably; The 5th lens be provided with at least one point of inflexion as side surface, the light that can suppress effectively from the axle visual field is incident on the angle on the photo-sensitive cell, and the further aberration of modified off-axis visual field; Preferably, the material of the 4th lens is a plastic cement, and the material of the 5th lens is a plastic cement, and the weight of mirror group can be effectively lowered in the use of plastic cement material lens, more can effectively reduce production costs.
In the aforementioned image optics lens set of the present invention, the focal length of whole image optics lens set is f, and the focal length of these first lens is f1, preferably, satisfies following relationship formula: 1.30＜f/f1＜1.70.When f/f1 satisfied the above-mentioned relation formula, the refracting power size configure of these first lens is balance comparatively, and effectively the total length of control system is kept the characteristic of miniaturization, and can avoid the high-order spherical aberration excessively to increase simultaneously, and then promoted image quality.
In the aforementioned image optics lens set of the present invention, the thickness of these second lens on optical axis is CT2, and the focal length of whole image optics lens set is f, preferably, satisfies the following relationship formula: 0.30＜(CT2/f) * 10＜0.95.When CT2/f satisfies the above-mentioned relation formula; The lens thickness size of these second lens is comparatively suitable; Can obtain good balance considering between eyeglass manufacturing process yields and the update the system aberration, and help mouldability and the homogenieity of plastic lens when ejection formation.
In the aforementioned image optics lens set of the present invention, the 3rd lens and the spacing distance of the 4th lens on optical axis are T34, and the focal length of whole image optics lens set is f, preferably, satisfies the following relationship formula: 0.50＜(T34/f) * 100＜4.50.When T34/f satisfies the above-mentioned relation formula, help revising the higher order aberratons of this image optics lens set, with the elevator system image quality.
In the aforementioned image optics lens set of the present invention; Preferably, this image optics lens set is provided with a sense electronics optical element in addition and supplies the object imaging, and this aperture is arranged between object and this first lens; This sense electronics optical element is arranged at the imaging surface place; The distance of this aperture to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, and satisfies following relationship formula: 0.92＜SL/TTL＜1.05.When SL/TTL satisfies the above-mentioned relation formula, focus on heart characteristic far away, the total length of whole image optics lens set can be shorter.
In the aforementioned image optics lens set of the present invention, the abbe number of these first lens is V1, and the abbe number of these second lens is V2, preferably, satisfies following relationship formula: 30.0＜V1-V2＜42.0.When V1-V2 satisfies the above-mentioned relation formula, help the correction of aberration in this image optics lens set.
In the image optics lens set of the present invention, the material of lens can be glass or plastic cement, if the material of lens is a glass, then can increase the degree of freedom of system's refracting power configuration, if the lens material is a plastic cement, then can effectively reduce production costs.In addition, and aspheric surface can be set on minute surface, aspheric surface can be made into the shape beyond the sphere easily; Obtain more controlled variable; In order to subduing aberration, and then the number that uses of reduction lens, therefore can effectively reduce the total length of image optics lens set of the present invention.
In the image optics lens set of the present invention,, represent that then this lens surface is a convex surface at paraxial place if lens surface is a convex surface; If lens surface is a concave surface, represent that then this lens surface is a concave surface at paraxial place.
Image optics lens set of the present invention will specify through following specific embodiment conjunction with figs..First embodiment:
The optical system synoptic diagram of first embodiment of the invention sees also Figure 1A, and the aberration curve of first embodiment sees also Figure 1B.The image optics lens set of first embodiment mainly is made up of five lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 130 of the positive refracting power of one tool, its thing side surface 131 are that concave surface and picture side surface 132 are convex surface, and its material is a plastic cement, the thing side surface 131 of the 3rd lens 130 and be all aspheric surface as side surface 132;
The 4th lens 140 of the negative refracting power of one tool, its thing side surface 141 be that convex surface and picture side surface 142 are concave surface, and its material is a plastic cement, the thing side surface 141 of the 4th lens 140 and be all aspheric surface as side surface 142; And
The 5th lens 150 of the negative refracting power of one tool; Its thing side surface 151 is a concave surface 152 for convex surface and as side surface; Its material is a plastic cement, the thing side surface 151 of the 5th lens and be all aspheric surface as side surface 152, and the 5th lens 150 be provided with at least one point of inflexion as side surface 152;
Wherein, this image optics lens set is provided with an aperture 100 in addition and places between object and this first lens 110;
Other includes an infrared ray filtering optical filter (IR-filter) 160 and places looking like between a side surface 152 and the imaging surface 170 of the 5th lens 150; The material of this infrared ray filtering optical filter 160 is that glass and its do not influence the focal length of image optics lens set of the present invention.
The equation of above-mentioned aspheric curve is represented as follows:
Wherein:
X: be the point of Y apart from optical axis on the aspheric surface, itself and the relative height that is tangential on the tangent plane on summit on the aspheric surface optical axis;
Y: the point on the aspheric curve and the distance of optical axis;
K: conical surface coefficient;
Ai: i rank asphericity coefficient.
In the first embodiment image optics lens set, the focal length of whole image optics lens set is f, and its relational expression is: f=5.27 (millimeter).
In the first embodiment image optics lens set, the f-number of whole image optics lens set (f-number) is Fno, and its relational expression is: Fno=2.80.
In the first embodiment image optics lens set, the half the of maximum visual angle is HFOV in the whole image optics lens set, and its relational expression is: HFOV=34.0 (degree).
In the first embodiment image optics lens set, the abbe number of these first lens 110 is V1, and the abbe number of these second lens 120 is V2, and its relational expression is: V1-V2=48.8.
In the first embodiment image optics lens set, the thing side surface radius-of-curvature of these first lens 110 is R1, and the focal length of whole image optics lens set is f, and its relational expression is: R1/f=0.46.
In the first embodiment image optics lens set, these second lens 120 be R4 as the side surface radius-of-curvature, the focal length of whole image optics lens set is f, its relational expression is: R4/f=0.43.
In the first embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of these first lens 110 is f1, and its relational expression is: f/f1=1.23.
In the first embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of the 5th lens 150 is f5, and its relational expression is: | f/f5|=0.44.
In the first embodiment image optics lens set, the focal length of these first lens 110 is f1, and the focal length of the 3rd lens 130 is f3, and its relational expression is: f1/f3=0.69.
In the first embodiment image optics lens set, the thickness of these second lens 120 on optical axis is CT2, and the focal length of whole image optics lens set is f, and its relational expression is: (CT2/f) * and 10=0.66.
In the first embodiment image optics lens set, the 3rd lens 130 are T34 with the spacing distance of the 4th lens 140 on optical axis, and the focal length of whole image optics lens set is f, and its relational expression is: (T34/f) * and 100=1.01.
In the first embodiment image optics lens set; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in this image optics lens set; The focal length of whole image optics lens set is f, and its relational expression is: Td/f=0.91.
In the first embodiment image optics lens set; This image optics lens set is provided with a sense electronics optical element in addition and supplies the object imaging on it at these imaging surface 170 places; The distance of this aperture 100 to this sense electronics optical element on optical axis is SL; The distance of the thing side surface 111 of these first lens 110 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.99.
In the first embodiment image optics lens set; The distance of the thing side surface 111 of these first lens 110 to this sense electronics optical element on optical axis is TTL; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.79.
The detailed optical data of first embodiment is shown in Fig. 6 table one, and its aspherical surface data is shown in Fig. 7 A table two A and Fig. 7 B table two B, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.
Second embodiment:
The optical system synoptic diagram of second embodiment of the invention sees also Fig. 2 A, and the aberration curve of second embodiment sees also Fig. 2 B.The image optics lens set of second embodiment mainly is made up of five lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 230 of the positive refracting power of one tool, its thing side surface 231 are that concave surface and picture side surface 232 are convex surface, and its material is a plastic cement, the thing side surface 231 of the 3rd lens 230 and be all aspheric surface as side surface 232;
The 4th lens 240 of the negative refracting power of one tool, its thing side surface 241 be that convex surface and picture side surface 242 are concave surface, and its material is a plastic cement, the thing side surface 241 of the 4th lens 240 and be all aspheric surface as side surface 242; And
The 5th lens 250 of the negative refracting power of one tool; Its thing side surface 251 is that convex surface and picture side surface 252 are concave surface; Its material is a plastic cement; The thing side surface 251 of the 5th lens 250 and be all aspheric surface as side surface 252, and the 5th lens 250 be provided with at least one point of inflexion as side surface 252;
Wherein, this image optics lens set is provided with an aperture 200 in addition and places between object and this first lens 210;
Other includes an infrared ray filtering optical filter 260 and places looking like between a side surface 252 and the imaging surface 270 of the 5th lens 250; The material of this infrared ray filtering optical filter 260 is that glass and its do not influence the focal length of image optics lens set of the present invention.
The equational expression of the second embodiment aspheric curve is as the form of first embodiment.
In the second embodiment image optics lens set, the focal length of whole image optics lens set is f, and its relational expression is: f=5.27 (millimeter).
In the second embodiment image optics lens set, the f-number of whole image optics lens set is Fno, and its relational expression is: Fno=2.40.
In the second embodiment image optics lens set, the half the of maximum visual angle is HFOV in the whole image optics lens set, and its relational expression is: HFOV=34.0 (degree).
In the second embodiment image optics lens set, the abbe number of these first lens 210 is V1, and the abbe number of these second lens 220 is V2, and its relational expression is: V1-V2=34.5.
In the second embodiment image optics lens set, the thing side surface radius-of-curvature of these first lens 210 is R1, and the focal length of whole image optics lens set is f, and its relational expression is: R1/f=0.35.
In the second embodiment image optics lens set, these second lens 220 be R4 as the side surface radius-of-curvature, the focal length of whole image optics lens set is f, its relational expression is: R4/f=0.64.
In the second embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of these first lens 210 is f1, and its relational expression is: f/f1=1.54.
In the second embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of the 5th lens 250 is f5, and its relational expression is: | f/f5|=0.10.
In the second embodiment image optics lens set, the focal length of these first lens 210 is f1, and the focal length of the 3rd lens 230 is f3, and its relational expression is: f1/f3=0.78.
In the second embodiment image optics lens set, the thickness of these second lens 220 on optical axis is CT2, and the focal length of whole image optics lens set is f, and its relational expression is: (CT2/f) * and 10=0.78.
In the second embodiment image optics lens set, the 3rd lens 230 are T34 with the spacing distance of the 4th lens 240 on optical axis, and the focal length of whole image optics lens set is f, and its relational expression is: (T34/f) * and 100=1.33.
In the second embodiment image optics lens set; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in this image optics lens set; The focal length of whole image optics lens set is f, and its relational expression is: Td/f=0.89.
In the second embodiment image optics lens set; This image optics lens set is provided with a sense electronics optical element in addition and supplies the object imaging on it at these imaging surface 270 places; The distance of this aperture 200 to this sense electronics optical element on optical axis is SL; The distance of the thing side surface 211 of these first lens 210 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.95.
In the second embodiment image optics lens set; The distance of the thing side surface 211 of these first lens 210 to this sense electronics optical element on optical axis is TTL; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.70.
The detailed optical data of second embodiment is shown in Fig. 8 table three, and its aspherical surface data is shown in Fig. 9 table four, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.
The 3rd embodiment:
The optical system synoptic diagram of third embodiment of the invention sees also Fig. 3 A, and the aberration curve of the 3rd embodiment sees also Fig. 3 B.The image optics lens set of the 3rd embodiment mainly is made up of five lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 330 of the positive refracting power of one tool, its thing side surface 331 are that concave surface and picture side surface 332 are convex surface, and its material is a plastic cement, the thing side surface 331 of the 3rd lens 330 and be all aspheric surface as side surface 332;
The 4th lens 340 of the negative refracting power of one tool, its thing side surface 341 be that concave surface and picture side surface 342 are concave surface, and its material is a plastic cement, the thing side surface 341 of the 4th lens 340 and be all aspheric surface as side surface 342; And
The 5th lens 350 of the negative refracting power of one tool; Its thing side surface 351 is that convex surface and picture side surface 352 are concave surface; Its material is a plastic cement; The thing side surface 351 of the 5th lens 350 and be all aspheric surface as side surface 352, and the 5th lens 350 be provided with at least one point of inflexion as side surface 352;
Wherein, this image optics lens set is provided with an aperture 300 in addition and places between these first lens 310 and this second lens 320;
Other includes an infrared ray filtering optical filter 360 and places looking like between a side surface 352 and the imaging surface 370 of the 5th lens 350; The material of this infrared ray filtering optical filter 360 is that glass and its do not influence the focal length of image optics lens set of the present invention.
The equational expression of the 3rd embodiment aspheric curve is as the form of first embodiment.
In the 3rd embodiment image optics lens set, the focal length of whole image optics lens set is f, and its relational expression is: f=5.44 (millimeter).
In the 3rd embodiment image optics lens set, the f-number of whole image optics lens set is Fno, and its relational expression is: Fno=2.75.
In the 3rd embodiment image optics lens set, the half the of maximum visual angle is HFOV in the whole image optics lens set, and its relational expression is: HFOV=33.2 (degree).
In the 3rd embodiment image optics lens set, the abbe number of these first lens 310 is V1, and the abbe number of these second lens 320 is V2, and its relational expression is: V1-V2=32.5.
In the 3rd embodiment image optics lens set, the thing side surface radius-of-curvature of these first lens 310 is R1, and the focal length of whole image optics lens set is f, and its relational expression is: R1/f=0.35.
In the 3rd embodiment image optics lens set, these second lens 320 be R4 as the side surface radius-of-curvature, the focal length of whole image optics lens set is f, its relational expression is: R4/f=0.41.
In the 3rd embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of these first lens 310 is f1, and its relational expression is: f/f1=1.50.
In the 3rd embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of the 5th lens 350 is f5, and its relational expression is: | f/f5|=0.22.
In the 3rd embodiment image optics lens set, the focal length of these first lens 310 is f1, and the focal length of the 3rd lens 330 is f3, and its relational expression is: f1/f3=1.13.
In the 3rd embodiment image optics lens set, the thickness of these second lens 320 on optical axis is CT2, and the focal length of whole image optics lens set is f, and its relational expression is: (CT2/f) * and 10=0.56.
In the 3rd embodiment image optics lens set, the 3rd lens 330 are T34 with the spacing distance of the 4th lens 340 on optical axis, and the focal length of whole image optics lens set is f, and its relational expression is: (T34/f) * and 100=1.29.
In the 3rd embodiment image optics lens set; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in this image optics lens set; The focal length of whole image optics lens set is f, and its relational expression is: Td/f=0.93.
In the 3rd embodiment image optics lens set; This image optics lens set is provided with a sense electronics optical element in addition and supplies the object imaging on it at these imaging surface 370 places; The distance of this aperture 300 to this sense electronics optical element on optical axis is SL; The distance of the thing side surface 311 of these first lens 310 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.87.
In the 3rd embodiment image optics lens set; The distance of the thing side surface 311 of these first lens 310 to this sense electronics optical element on optical axis is TTL; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.81.
The detailed optical data of the 3rd embodiment is shown in Figure 10 table five, and its aspherical surface data is shown in Figure 11 A table six A and Figure 11 B table six B, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.
The 4th embodiment:
The optical system synoptic diagram of fourth embodiment of the invention sees also Fig. 4 A, and the aberration curve of the 4th embodiment sees also Fig. 4 B.The image optics lens set of the 4th embodiment mainly is made up of five lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 430 of the positive refracting power of one tool, its thing side surface 431 are that concave surface and picture side surface 432 are convex surface, and its material is a plastic cement, the thing side surface 431 of the 3rd lens 430 and be all aspheric surface as side surface 432;
The 4th lens 440 of the negative refracting power of one tool, its thing side surface 441 be that concave surface and picture side surface 442 are concave surface, and its material is a plastic cement, the thing side surface 441 of the 4th lens 440 and be all aspheric surface as side surface 442; And
The 5th lens 450 of the positive refracting power of one tool; Its thing side surface 451 is that convex surface and picture side surface 452 are concave surface; Its material is a plastic cement; The thing side surface 451 of the 5th lens 450 and be all aspheric surface as side surface 452, and the 5th lens 450 be provided with at least one point of inflexion as side surface 452;
Wherein, this image optics lens set is provided with an aperture 400 in addition and places between object and this first lens 410;
Other includes an infrared ray filtering optical filter 460 and places looking like between a side surface 452 and the imaging surface 470 of the 5th lens 450; The material of this infrared ray filtering optical filter 460 is that glass and its do not influence the focal length of image optics lens set of the present invention.
The equational expression of the 4th embodiment aspheric curve is as the form of first embodiment.
In the 4th embodiment image optics lens set, the focal length of whole image optics lens set is f, and its relational expression is: f=5.27 (millimeter).
In the 4th embodiment image optics lens set, the f-number of whole image optics lens set is Fno, and its relational expression is: Fno=2.60.
In the 4th embodiment image optics lens set, the half the of maximum visual angle is HFOV in the whole image optics lens set, and its relational expression is: HFOV=34.0 (degree).
In the 4th embodiment image optics lens set, the abbe number of these first lens 410 is V1, and the abbe number of these second lens 420 is V2, and its relational expression is: V1-V2=32.5.
In the 4th embodiment image optics lens set, the thing side surface radius-of-curvature of these first lens 410 is R1, and the focal length of whole image optics lens set is f, and its relational expression is: R1/f=0.36.
In the 4th embodiment image optics lens set, these second lens 420 be R4 as the side surface radius-of-curvature, the focal length of whole image optics lens set is f, its relational expression is: R4/f=0.57.
In the 4th embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of these first lens 410 is f1, and its relational expression is: f/f1=1.66.
In the 4th embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of the 5th lens 450 is f5, and its relational expression is: | f/f5|=0.13.
In the 4th embodiment image optics lens set, the focal length of these first lens 410 is f1, and the focal length of the 3rd lens 430 is f3, and its relational expression is: f1/f3=0.75.
In the 4th embodiment image optics lens set, the thickness of these second lens 420 on optical axis is CT2, and the focal length of whole image optics lens set is f, and its relational expression is: (CT2/f) * and 10=0.76.
In the 4th embodiment image optics lens set, the 3rd lens 430 are T34 with the spacing distance of the 4th lens 440 on optical axis, and the focal length of whole image optics lens set is f, and its relational expression is: (T34/f) * and 100=2.39.
In the 4th embodiment image optics lens set; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in this image optics lens set; The focal length of whole image optics lens set is f, and its relational expression is: Td/f=0.89.
In the 4th embodiment image optics lens set; This image optics lens set is provided with a sense electronics optical element in addition and supplies the object imaging on it at these imaging surface 470 places; The distance of this aperture 400 to this sense electronics optical element on optical axis is SL; The distance of the thing side surface 411 of these first lens 410 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.96.
In the 4th embodiment image optics lens set; The distance of the thing side surface 411 of these first lens 410 to this sense electronics optical element on optical axis is TTL; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.70.
The detailed optical data of the 4th embodiment is shown in Figure 12 table seven, and its aspherical surface data is shown in Figure 13 table eight, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.
The 5th embodiment:
The optical system synoptic diagram of fifth embodiment of the invention sees also Fig. 5 A, and the aberration curve of the 5th embodiment sees also Fig. 5 B.The image optics lens set of the 5th embodiment mainly is made up of five lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 530 of the positive refracting power of one tool, its thing side surface 531 are that concave surface and picture side surface 532 are convex surface, and its material is a plastic cement, the thing side surface 531 of the 3rd lens 530 and be all aspheric surface as side surface 532;
The 4th lens 540 of the negative refracting power of one tool, its thing side surface 541 be that convex surface and picture side surface 542 are concave surface, and its material is a plastic cement, the thing side surface 541 of the 4th lens 540 and be all aspheric surface as side surface 542; And
The 5th lens 550 of the negative refracting power of one tool; Its thing side surface 551 is that convex surface and picture side surface 552 are concave surface; Its material is a plastic cement; The thing side surface 551 of the 5th lens 550 and be all aspheric surface as side surface 552, and the 5th lens 550 be provided with at least one point of inflexion as side surface 552;
Wherein, this image optics lens set is provided with an aperture 500 in addition and places between these first lens 510 and this second lens 520;
Other includes an infrared ray filtering optical filter 560 and places looking like between a side surface 552 and the imaging surface 570 of the 5th lens 550; The material of this infrared ray filtering optical filter 560 is that glass and its do not influence the focal length of image optics lens set of the present invention.
The equational expression of the 5th embodiment aspheric curve is as the form of first embodiment.
In the 5th embodiment image optics lens set, the focal length of whole image optics lens set is f, and its relational expression is: f=5.37 (millimeter).
In the 5th embodiment image optics lens set, the f-number of whole image optics lens set is Fno, and its relational expression is: Fno=2.45.
In the 5th embodiment image optics lens set, the half the of maximum visual angle is HFOV in the whole image optics lens set, and its relational expression is: HFOV=33.6 (degree).
In the 5th embodiment image optics lens set, the abbe number of these first lens 510 is V1, and the abbe number of these second lens 520 is V2, and its relational expression is: V1-V2=40.7.
In the 5th embodiment image optics lens set, the thing side surface radius-of-curvature of these first lens 510 is R1, and the focal length of whole image optics lens set is f, and its relational expression is: R1/f=0.55.
In the 5th embodiment image optics lens set, these second lens 520 be R4 as the side surface radius-of-curvature, the focal length of whole image optics lens set is f, its relational expression is: R4/f=0.34.
In the 5th embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of these first lens 510 is f1, and its relational expression is: f/f1=1.31.
In the 5th embodiment image optics lens set, the focal length of whole image optics lens set is f, and the focal length of the 5th lens 550 is f5, and its relational expression is: | f/f5|=0.01.
In the 5th embodiment image optics lens set, the focal length of these first lens 510 is f1, and the focal length of the 3rd lens 530 is f3, and its relational expression is: f1/f3=0.49.
In the 5th embodiment image optics lens set, the thickness of these second lens 520 on optical axis is CT2, and the focal length of whole image optics lens set is f, and its relational expression is: (CT2/f) * and 10=0.53.
In the 5th embodiment image optics lens set, the 3rd lens 530 are T34 with the spacing distance of the 4th lens 540 on optical axis, and the focal length of whole image optics lens set is f, and its relational expression is: (T34/f) * and 100=1.30.
In the 5th embodiment image optics lens set; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in this image optics lens set; The focal length of whole image optics lens set is f, and its relational expression is: Td/f=0.92.
In the 5th embodiment image optics lens set; This image optics lens set is provided with a sense electronics optical element in addition and supplies the object imaging on it at these imaging surface 570 places; The distance of this aperture 500 to this sense electronics optical element on optical axis is SL; The distance of the thing side surface 511 of these first lens 510 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.89.
In the 5th embodiment image optics lens set; The distance of the thing side surface 511 of these first lens 510 to this sense electronics optical element on optical axis is TTL; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.87.
The detailed optical data of the 5th embodiment is shown in Figure 14 table nine, and its aspherical surface data is shown in Figure 15 A table ten A and Figure 15 B table ten B, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.
Table one to table ten (corresponding diagram 6 is to Figure 15 respectively) is depicted as the different numerical value change tables of image optics lens set embodiment of the present invention; The all true gained of testing of numerical value change of right each embodiment of the present invention; Even use different numerical value; The product of same structure must belong to protection category of the present invention, thus above explanation is described and accompanying drawing in illustrated only as exemplary, non-in order to limit claim of the present invention.Table ten one (corresponding Figure 16) is the numeric data of the corresponding correlationship formula of the present invention of each embodiment.
Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely specific embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (25)
1. an image optics lens set is characterized in that, described image optics lens set is extremely comprised as side by the thing side in regular turn:
First lens of the positive refracting power of one tool, its thing side surface is a convex surface;
Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface;
The 3rd lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface;
The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface, the thing side surface of said the 4th lens and be all aspheric surface as side surface; And
One the 5th lens, it is a concave surface as side surface, the thing side surface of said the 5th lens and be all aspheric surface as side surface;
Wherein, Said image optics lens set is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; Said aperture is arranged between object and this second lens, and said sense electronics optical element is arranged at the imaging surface place, and the thing side surface radius-of-curvature of said first lens is R1; The focal length of whole image optics lens set is f; Said aperture to the distance of said sense electronics optical element on optical axis is SL, and the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies the following relationship formula:
0.25＜R1/f＜0.50; And
0.75＜SL/TTL＜1.10。
2. image optics lens set as claimed in claim 1 is characterized in that, said the 5th lens be provided with at least one point of inflexion as side surface, and the material of said the 5th lens is a plastic cement.
3. image optics lens set as claimed in claim 2 is characterized in that, the focal length of whole image optics lens set is f, and the focal length of said first lens is f1, satisfies the following relationship formula:
1.00＜f/f1＜1.80。
4. image optics lens set as claimed in claim 3 is characterized in that, the focal length of whole image optics lens set is f, and the focal length of said first lens is f1, satisfies the following relationship formula:
1.30＜f/f1＜1.70。
5. image optics lens set as claimed in claim 3 is characterized in that, the focal length of said first lens is f1, and the focal length of said the 3rd lens is f3, satisfies the following relationship formula:
0.55＜f1/f3＜1.30。
6. image optics lens set as claimed in claim 1 is characterized in that, the abbe number of said first lens is V1, and the abbe number of said second lens is V2, satisfies the following relationship formula:
30.0＜V1-V2＜42.0。
7. image optics lens set as claimed in claim 1 is characterized in that, said second lens be R4 as the side surface radius-of-curvature, the focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.30＜R4/f＜0.57。
8. image optics lens set as claimed in claim 1; It is characterized in that; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in the said image optics lens set; The focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.80＜Td/f＜0.96。
9. image optics lens set as claimed in claim 8; It is characterized in that; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in the said image optics lens set; The focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.80＜Td/f＜0.93。
10. image optics lens set as claimed in claim 1; It is characterized in that; Said aperture is arranged between object and said first lens; Said aperture to the distance of said sense electronics optical element on optical axis is SL, and the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies the following relationship formula:
0.92＜SL/TTL＜1.05。
11. image optics lens set as claimed in claim 10 is characterized in that, the thickness of said second lens on optical axis is CT2, and the focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.30＜(CT2/f)×10＜0.95。
12. image optics lens set as claimed in claim 2 is characterized in that, the focal length of whole image optics lens set is f, and the focal length of said the 5th lens is f5, satisfies the following relationship formula:
|f/f5|＜0.35。
13. image optics lens set as claimed in claim 2 is characterized in that, the thing side surface of said the 4th lens is a concave surface.
14. image optics lens set as claimed in claim 1 is characterized in that, said the 3rd lens and the spacing distance of said the 4th lens on optical axis are T34, and the focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.50＜(T34/f)×100＜4.50。
15. image optics lens set as claimed in claim 1; It is characterized in that; The thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, and the half the of said sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:
TTL/ImgH＜1.95。
16. an image optics lens set is characterized in that, described image optics lens set is extremely comprised as side by the thing side in regular turn:
First lens of the positive refracting power of one tool, its thing side surface is a convex surface;
Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface;
The 3rd lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface;
One the 4th lens, it is a concave surface as side surface, the thing side surface of said the 4th lens and be all aspheric surface as side surface; And
One the 5th lens, it is a concave surface as side surface, the thing side surface of said the 5th lens and be all aspheric surface as side surface;
Wherein, Said image optics lens set is provided with an aperture in addition, and said aperture is arranged between object and this second lens, and the focal length of said first lens is f1; The focal length of said the 3rd lens is f3; In the said image optics lens set thing side surface of the tool refracting power lens of thing side to as the tool refracting power lens of side be Td as the distance of side surface on optical axis, the focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.55＜f1/f3＜1.30; And
0.80＜Td/f＜0.96。
17. image optics lens set as claimed in claim 16 is characterized in that, said the 5th lens be provided with at least one point of inflexion as side surface, and the material of said the 4th lens is plastic cement, the material of said the 5th lens is a plastic cement.
18. image optics lens set as claimed in claim 17 is characterized in that, the focal length of whole image optics lens set is f, and the focal length of said first lens is f1, satisfies the following relationship formula:
1.30＜f/f1＜1.70。
19. image optics lens set as claimed in claim 17 is characterized in that, the thickness of said second lens on optical axis is CT2, and the focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.30＜(CT2/f)×10＜0.95。
20. image optics lens set as claimed in claim 17 is characterized in that, said the 3rd lens and the spacing distance of said the 4th lens on optical axis are T34, and the focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.50＜(T34/f)×100＜4.50。
21. image optics lens set as claimed in claim 17; It is characterized in that said image optics lens set is provided with a sense electronics optical element in addition and supplies the object imaging, said aperture is arranged between object and this first lens; Said sense electronics optical element is arranged at the imaging surface place; Said aperture to the distance of said sense electronics optical element on optical axis is SL, and the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies the following relationship formula:
0.92＜SL/TTL＜1.05。
22. image optics lens set as claimed in claim 21 is characterized in that, the abbe number of said first lens is V1, and the abbe number of said second lens is V2, satisfies the following relationship formula:
30.0＜V1-V2＜42.0。
23. image optics lens set as claimed in claim 21 is characterized in that, the focal length of said first lens is f1, and the focal length of said the 3rd lens is f3, satisfies the following relationship formula:
0.65＜f1/f3＜1.00。
24. image optics lens set as claimed in claim 16; It is characterized in that; The thing side surface of the tool refracting power lens of thing side is to being Td as the tool refracting power lens of side as the distance of side surface on optical axis in the said image optics lens set; The focal length of whole image optics lens set is f, satisfies the following relationship formula:
0.80＜Td/f＜0.93。
25. image optics lens set as claimed in claim 21 is characterized in that, said the 4th lens tool is born refracting power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010225252 CN102313970B (en) | 2010-07-09 | 2010-07-09 | Imaging optics lens group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010225252 CN102313970B (en) | 2010-07-09 | 2010-07-09 | Imaging optics lens group |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210341364.7A Division CN102879889B (en) | 2010-07-09 | 2010-07-09 | Imaging optical lens group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102313970A true CN102313970A (en) | 2012-01-11 |
| CN102313970B CN102313970B (en) | 2013-01-23 |
Family
ID=45427278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010225252 Active CN102313970B (en) | 2010-07-09 | 2010-07-09 | Imaging optics lens group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102313970B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293636A (en) * | 2013-02-06 | 2013-09-11 | 玉晶光电(厦门)有限公司 | Portable electronic device and optical imaging lens thereof |
| CN103389566A (en) * | 2012-05-07 | 2013-11-13 | 信泰光学(深圳)有限公司 | Imaging camera |
| CN103424848A (en) * | 2013-04-24 | 2013-12-04 | 玉晶光电(厦门)有限公司 | Optical imaging lens and electronic device applying same |
| CN103698874A (en) * | 2013-08-02 | 2014-04-02 | 玉晶光电(厦门)有限公司 | Optical imaging lens and electronic device employing same |
| US9110270B2 (en) | 2012-03-29 | 2015-08-18 | Kantatsu Co., Ltd. | Image pickup lens |
| US9274314B2 (en) | 2013-02-06 | 2016-03-01 | Genius Electronic Optical Co., Ltd. | Imaging lens, and portable electronic apparatus including the same |
| CN110749976A (en) * | 2019-10-31 | 2020-02-04 | 浙江舜宇光学有限公司 | Optical imaging system |
| CN112526706A (en) * | 2019-09-17 | 2021-03-19 | 华为技术有限公司 | Lens group, related equipment and related system |
| CN113050254A (en) * | 2017-07-23 | 2021-06-29 | 核心光电有限公司 | Folding camera and folding lens kit thereof |
| CN113933967A (en) * | 2021-10-14 | 2022-01-14 | 江西晶超光学有限公司 | Optical lens, camera module and electronic equipment |
| CN114265179A (en) * | 2021-12-28 | 2022-04-01 | 惠州市星聚宇光学有限公司 | Optical imaging lens and camera module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175943B (en) * | 2020-02-24 | 2021-09-28 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009294528A (en) * | 2008-06-06 | 2009-12-17 | Fujinon Corp | Imaging lens composed of five lenses and imaging apparatus |
-
2010
- 2010-07-09 CN CN 201010225252 patent/CN102313970B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009294528A (en) * | 2008-06-06 | 2009-12-17 | Fujinon Corp | Imaging lens composed of five lenses and imaging apparatus |
| CN201378216Y (en) * | 2008-06-06 | 2010-01-06 | 富士能株式会社 | Camera lens with five-lens structure and camera |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9638898B2 (en) | 2012-03-29 | 2017-05-02 | Kantatsu Co., Ltd. | Image pickup lens |
| US9110270B2 (en) | 2012-03-29 | 2015-08-18 | Kantatsu Co., Ltd. | Image pickup lens |
| CN103389566A (en) * | 2012-05-07 | 2013-11-13 | 信泰光学(深圳)有限公司 | Imaging camera |
| CN103389566B (en) * | 2012-05-07 | 2016-08-17 | 信泰光学(深圳)有限公司 | Imaging lens |
| CN103293636A (en) * | 2013-02-06 | 2013-09-11 | 玉晶光电(厦门)有限公司 | Portable electronic device and optical imaging lens thereof |
| US9274314B2 (en) | 2013-02-06 | 2016-03-01 | Genius Electronic Optical Co., Ltd. | Imaging lens, and portable electronic apparatus including the same |
| CN103293636B (en) * | 2013-02-06 | 2016-04-20 | 玉晶光电(厦门)有限公司 | Portable electronic devices and its optical imaging lens |
| CN103424848A (en) * | 2013-04-24 | 2013-12-04 | 玉晶光电(厦门)有限公司 | Optical imaging lens and electronic device applying same |
| US9052492B2 (en) | 2013-04-24 | 2015-06-09 | Genius Electronic Optical Co., Ltd. | Imaging lens, and electronic apparatus including the same |
| CN103424848B (en) * | 2013-04-24 | 2016-01-20 | 玉晶光电(厦门)有限公司 | Optical imaging lens and apply the electronic installation of this optical imaging lens |
| CN103698874B (en) * | 2013-08-02 | 2016-09-28 | 玉晶光电(厦门)有限公司 | Optical imaging lens and apply the electronic installation of this camera lens |
| CN103698874A (en) * | 2013-08-02 | 2014-04-02 | 玉晶光电(厦门)有限公司 | Optical imaging lens and electronic device employing same |
| CN113050254A (en) * | 2017-07-23 | 2021-06-29 | 核心光电有限公司 | Folding camera and folding lens kit thereof |
| CN113050254B (en) * | 2017-07-23 | 2023-06-02 | 核心光电有限公司 | Folding camera and folding lens kit thereof |
| CN112526706A (en) * | 2019-09-17 | 2021-03-19 | 华为技术有限公司 | Lens group, related equipment and related system |
| WO2021052359A1 (en) * | 2019-09-17 | 2021-03-25 | 华为技术有限公司 | Lens group, related device and related system |
| CN112526706B (en) * | 2019-09-17 | 2022-03-25 | 华为技术有限公司 | Lens group, related equipment and related system |
| CN110749976A (en) * | 2019-10-31 | 2020-02-04 | 浙江舜宇光学有限公司 | Optical imaging system |
| CN113933967A (en) * | 2021-10-14 | 2022-01-14 | 江西晶超光学有限公司 | Optical lens, camera module and electronic equipment |
| CN114265179A (en) * | 2021-12-28 | 2022-04-01 | 惠州市星聚宇光学有限公司 | Optical imaging lens and camera module |
| CN114265179B (en) * | 2021-12-28 | 2023-10-03 | 广东省星聚宇光学股份有限公司 | Optical imaging lens and camera module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102313970B (en) | 2013-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102981246B (en) | Image lens assembly | |
| CN102866479B (en) | Image pickup optical system | |
| CN102313970B (en) | Imaging optics lens group | |
| CN202166775U (en) | Image pickup optical lens assembly | |
| CN202494827U (en) | Image pickup lens assembly | |
| CN101995641B (en) | Photographic lens system | |
| CN102236153B (en) | Optical shot for image capture | |
| CN202533646U (en) | Optical lens system | |
| CN202583577U (en) | Image capturing lens assembly | |
| CN102213816B (en) | Optical photographic lens | |
| CN102621664A (en) | Image capturing lens assembly | |
| CN103529538A (en) | Image lens assembly | |
| CN102269861B (en) | Optical lens group for shooting | |
| CN103777310A (en) | Optical image pickup system set | |
| CN102466867A (en) | Optical camera lens group | |
| CN102023370A (en) | Imaging lens system | |
| CN102819094A (en) | Image capturing optical lens | |
| CN102466854B (en) | Optical lens system | |
| CN102401982A (en) | Optical image capturing lens | |
| CN102466864A (en) | Optical photographic system | |
| CN102253470A (en) | Photographing optical lens | |
| CN102879889B (en) | Imaging optical lens group | |
| CN102221739A (en) | Shooting optical system | |
| CN102156342B (en) | Image capturing lens group | |
| CN102073126B (en) | Capturing optical lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |