CN102236153A - Optical shot for image capture - Google Patents
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- CN102236153A CN102236153A CN2010101756291A CN201010175629A CN102236153A CN 102236153 A CN102236153 A CN 102236153A CN 2010101756291 A CN2010101756291 A CN 2010101756291A CN 201010175629 A CN201010175629 A CN 201010175629A CN 102236153 A CN102236153 A CN 102236153A
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Abstract
The invention discloses an optical shot for image capture. The optical shot comprises five lenses with refractive power, which, from an object side to an image side, are sequentially a first lens with positive refractive power, a second lens with negative refractive power, a third lens, a fourth lens with positive refractive power and a fifth lens with negative refractive power, wherein the object side surface of the first lens is a convex surface; the object side surface of the second lens is a concave surface; the object side surface of the fourth lens is a convex surface, and at least one surface of the object side surface and the image side surface of the fourth lens is an aspheric surface; and the object side surface of the fifth lens is a concave surface, and at least one inflection point is formed on the image side surface of the fifth lens. The optical shot for image capture is also provided with an aperture and an electric photosensitive element for imaging a photographed object; and the aperture is arranged between the photographed object and the second lens. Through the mode of configuring the lens group, the shot volume can be effectively reduced, the sensitivity of an optical system can be reduced, and higher resolution power can be acquired.
Description
Technical field
The present invention relates to a kind of capture optical lens, relate in particular to a kind of miniaturization capture optical lens that is applied on the portable electronic product.
Background technology
Recent years, rise along with portable electronic product with capture 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 CMOS element (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor) two kind, and along with progressing greatly of semiconductor process techniques, make the Pixel Dimensions of photo-sensitive cell dwindle, the miniaturization phtographic lens is gradually toward the development of high pixel field, therefore, the requirement to image quality also increases day by day.
Tradition is equipped on the miniaturization phtographic lens on the portable electronic product, many employing four-piece type lens arrangements are main, as 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, and too much glass spherical mirror configuration makes and the degree of freedom in system deficiency causes the total length of system to be difficult for shortening; Its two, the bonding technology of glass mirror is difficult for, and causes the difficulty in the manufacturing.In addition, United States Patent (USP) the 7th, 643 has disclosed the optical 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 intelligent mobile phone (Smart Phone) and PDA high standard running gears such as (Personal Digital Assistant) is in vogue, drive 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 goal 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 capture optical lens that makes the camera lens total length long.
Summary of the invention
The invention provides a kind of capture optical lens, comprise the lens of five pieces of tool refracting powers, extremely be in regular turn as side by the thing side: first lens of the positive refracting power of a tool, its thing side surface is a convex surface; Second lens of the negative refracting power of one tool; One the 3rd lens, its thing side surface is a concave surface; The 4th lens of the positive refracting power of one tool, it is a convex surface as side surface, and the thing side surface of the 4th lens be aspheric surface as at least one surface in the side surface; And the 5th lens of the negative refracting power of a tool, it is a concave surface as side surface, and the 5th lens be provided with at least one point of inflexion as side surface; Wherein, this capture is provided with an aperture in addition with optical lens and a sense electronics optical element supplies the object imaging, this aperture is arranged between object and this second lens, and this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, satisfies following relationship formula: 0.75＜SL/TTL＜1.20.
On the other hand, the invention provides a kind of capture optical lens, comprise the lens of five pieces of tool refracting powers, extremely be in regular turn as side by the thing side: first lens of the positive refracting power of a tool, its thing side surface is a convex surface; Second lens of the negative refracting power of one tool, it is a concave surface as side surface; One the 3rd lens, its thing side surface are concave surface and are convex surface as side surface; The 4th lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface, and the thing side surface of the 4th lens and be all aspheric surface as side surface; And the 5th lens of the negative refracting power of a tool, it is a concave surface as side surface, the thing side surface of the 5th lens and be all aspheric surface as side surface, and the 5th lens be provided with at least one point of inflexion as side surface; Wherein, has the airspace between these first lens and this second lens, and these first lens and this second lens airspace distance on optical axis is T12, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula: 0.05＜(T12/f) * 10＜0.85.
The present invention can effectively dwindle the susceptibility of camera lens volume, reduction optical system by above-mentioned mirror configuration set mode, more can obtain higher resolving power.
Capture of the present invention is with in the optical lens, and the positive refracting power of this first lens tool provides system required part refracting power, helps to shorten the total length of this capture with optical lens; 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 3rd lens can be negative refracting power lens or positive refracting power lens; When the 3rd lens tool was born refracting power, effectively the Petzval of update the system and number (Petzval Sum) made peripheral image planes become more flat; When the positive refracting power of the 3rd lens tool, then help the higher order aberratons of update the system; The positive refracting power of the 4th lens tool can effectively distribute the positive refracting power of these first lens, to reduce the susceptibility of system; The 5th lens tool is born refracting power, and the principal point that can make optical system helps shortening the optics total length of system away from imaging surface, to keep the miniaturization of camera lens.
Capture of the present invention is with in the optical lens, and these first lens can be a biconvex lens or are that a thing side surface is convex surface and 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 this capture become shorter with the total length of optical lens; When these first lens are the crescent lens of a convex-concave, then help the astigmatism (Astigmatism) of update the system.These second lens can be concave surface as side surface, the back focal length with effective increase system has enough back focal length can place other member to guarantee capture with optical lens; The thing side surface of the 3rd lens is a concave surface, can help the astigmatism and the higher order aberratons of update the system; Further, the thing side surface of preferable the 3rd lens is concave surface and is convex surface as side surface; The 4th lens be convex surface as side surface, can help compact system light to be incident on angle on the photo-sensitive cell, and then improve the luminous sensitivity of system; Further, the thing side surface of preferable the 4th lens is concave surface and is convex surface as side surface, can help the astigmatism of update the system simultaneously; The 5th lens be concave surface as side surface, the principal point (Principal Point) that can make system helps shortening the optics total length of system, to keep the miniaturization of camera lens away from imaging surface, further, the thing side surface of preferable the 5th lens and be all concave surface as side surface.
Capture of the present invention is with in the optical lens, and this aperture can place between object and this first lens or between these first lens and this second lens.Provide positive refracting power by these first lens, and this aperture placed near this capture object side with optical lens, can effectively shorten the optics total length of this capture with optical lens, in addition, above-mentioned configuration can make this capture use the outgoing pupil (Exit Pupil) of optical lens away from imaging surface, therefore, light will be incident in the mode near vertical incidence on the photo-sensitive cell, this is the heart far away (Telecentric) characteristic of picture side, and heart characteristic far away is very important for the photoperceptivity of solid-state electronic photo-sensitive cell, to make the luminous sensitivity of sense electronics optical element improve, the minimizing system produces the possibility at dark angle.In addition, the 5th lens are provided with at least one point of inflexion, and can more effectively suppress light and be incident on angle on the photo-sensitive cell from the axle visual field, 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 receive the correction of poor (Chromatic Aberration of Magnification), and so dispose the susceptibility that can effectively reduce system distorting (Distortion) and multiplying power look.Therefore, capture of the present invention is with in the optical lens, if this aperture is arranged between object and this second lens, purpose is to make this capture to obtain good balance with optical lens in heart characteristic far away and Wide-angle; When aperture being placed between object and this first lens, focus on heart characteristic far away, whole capture can be shorter with the total length of optical lens; When this aperture being placed between these first lens and this second lens, then focus on the characteristic of Wide-angle, and can effectively reduce the susceptibility of system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying 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 A is the optical system synoptic diagram of sixth embodiment of the invention;
Fig. 6 B is the aberration curve figure of sixth embodiment of the invention;
Fig. 7 is a table one, is the optical data of first embodiment of the invention;
Fig. 8 A and Fig. 8 B are table two A and table two B, are the aspherical surface data of first embodiment of the invention;
Fig. 9 is a table three, is the optical data of second embodiment of the invention;
Figure 10 A and Figure 10 B are table four A and table four B, are the aspherical surface data of second embodiment of the invention;
Figure 11 is a table five, is the optical data of third embodiment of the invention;
Figure 12 A and Figure 12 B are table six A and table six B, are the aspherical surface data of third embodiment of the invention;
Figure 13 is a table seven, is the optical data of fourth embodiment of the invention;
Figure 14 A and Figure 14 B are table eight A and table eight B, are the aspherical surface data of fourth embodiment of the invention;
Figure 15 is a table nine, is the optical data of fifth embodiment of the invention;
Figure 16 A and Figure 16 B are table ten A and table ten B, are the aspherical surface data of fifth embodiment of the invention;
Figure 17 is a table ten one, is the optical data of sixth embodiment of the invention;
Figure 18 A and Figure 18 B are table ten two A and table ten two B, are the aspherical surface data of sixth embodiment of the invention;
Figure 19 is a table ten three, is the numeric data of the present invention's first to the 6th embodiment correlationship formula.
Drawing reference numeral:
First lens 100,200,300,400,500,600
Thing side surface 101,201,301,401,501,601
Picture side surface 102,202,302,402,502,602
Second lens 110,210,310,410,510,610
Thing side surface 111,211,311,411,511,611
Picture side surface 112,212,312,412,512,612
The 3rd lens 120,220,320,420,520,620
Thing side surface 121,221,321,421,521,621
Picture side surface 122,222,322,422,522,622
The 4th lens 130,230,330,430,530,630
Thing side surface 131,231,331,431,531,631
Picture side surface 132,232,332,432,532,632
The 5th lens 140,240,340,440,540,640
Thing side surface 141,241,341,441,541,641
Picture side surface 142,242,342,442,542,642
Aperture 150,250,350,450,550,650
Infrared ray filtering optical filter 160,260,360,460,560,660
Imaging surface 170,270,370,470,570,670
Whole capture is f with the focal length of optical lens
The focal length of first lens is f1
The focal length of the 4th lens is f4
The abbe number of first lens is V1
The abbe number of second lens is V2
The abbe number of the 3rd lens is V3
The thing side surface radius-of-curvature of first lens is R1
The thickness of second lens on optical axis is CT2
First lens and second lens airspace distance on optical axis is T12
Thing side surface to the five lens of first lens be Td as the distance of side surface on optical axis
Aperture to the distance of sense electronics optical element on optical axis is SL
The thing side surface of first lens to the distance of sense electronics optical element on optical axis is TTL
Half of sense electronics optical element effective pixel area diagonal angle line length is ImgH
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the embodiment of the invention is described in 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 a limitation of the invention.
The invention provides a kind of capture optical lens, comprise the lens of five pieces of tool refracting powers, extremely be in regular turn as side by the thing side: first lens of the positive refracting power of a tool, its thing side surface is a convex surface; Second lens of the negative refracting power of one tool; One the 3rd lens, its thing side surface is a concave surface; The 4th lens of the positive refracting power of one tool, it is a convex surface as side surface, and the thing side surface of the 4th lens be aspheric surface as at least one surface in the side surface; And the 5th lens of the negative refracting power of a tool, it is a concave surface as side surface, and the 5th lens be provided with at least one point of inflexion as side surface; Wherein, this capture is provided with an aperture in addition with optical lens and a sense electronics optical element supplies the object imaging, this aperture is arranged between object and this second lens, and this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, satisfies following relationship formula: 0.75＜SL/TTL＜1.20.
Satisfy following relationship formula: 0.75＜SL/TTL＜1.20 when aforementioned capture with optical lens, help this capture and in heart characteristic far away and Wide-angle, obtain good balance with optical lens; Further, preferably, this aperture is arranged between these first lens and this second lens, and satisfies following relationship formula: 0.75＜SL/TTL＜0.92.
The aforementioned capture of the present invention is with in the optical lens, preferably, these second lens be concave surface as side surface, the back focal length with effective increase system has enough back focal length can place other member to guarantee system; Preferably, the thing side surface of the 4th lens is a concave surface, and at this moment, the 4th lens are that a thing side surface is concave surface, is the meniscus lens of convex surface as side surface, help the astigmatism of update the system; Preferably, the thing side surface of the 5th lens is a concave surface, and at this moment, the 5th lens are a biconcave lens, and the principal point that can make optical system helps shortening the optics total length of system further from imaging surface, to keep the miniaturization of camera lens.
The aforementioned capture of the present invention is with in the optical lens, preferably, the thing side surface of the 5th lens and be all aspheric surface as side 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 camera lens; 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.
The aforementioned capture of the present invention is with in the optical lens, and the focal length of these first lens is f1, and whole capture is f with the focal length of optical lens, preferably, satisfies following relationship formula: 0.40＜f1/f＜0.80.When f1/f satisfies the above-mentioned relation formula, the refracting power size configure of these first lens is balance comparatively, the effective total length of control system, keep the characteristic of camera lens miniaturization, and can avoid high-order spherical aberration (High OrderSpherical Aberration) excessively to increase simultaneously, and then promote image quality; Further, be preferably and satisfy following relationship formula: 0.50＜f1/f＜0.70.
The aforementioned capture of the present invention is with in the optical lens, and the thickness of these second lens on optical axis is CT2, and whole capture is f with the focal length of optical lens, preferably, satisfies the following relationship formula: 0.30＜(CT2/f) * 10＜1.00.When (CT2/f) * 10 satisfied the above-mentioned relation formula, the lens thickness size of these second lens was comparatively suitable, can obtain good balance considering between eyeglass technology yields and the update the system aberration.
The aforementioned capture of the present invention is with in the optical lens, and the abbe number of these first lens is V1, and the abbe number of these second lens is V2, preferably, is to satisfy following relationship formula: 25.0＜V1-V2＜45.0.When V1-V2 satisfies the above-mentioned relation formula, help the correction of this capture with aberration in the optical lens; Further, be preferably and satisfy following relationship formula: 30.5＜V1-V2＜42.0.
The aforementioned capture of the present invention is with in the optical lens, and the thing side surface radius-of-curvature of these first lens is R1, and whole capture is f with the focal length of optical lens, preferably, is to satisfy following relationship formula: 0.25＜R1/f＜0.45.When R1/f satisfies the above-mentioned relation formula, can provide these first lens enough positive refracting powers, and avoid producing too much higher order aberratons simultaneously.
The aforementioned capture of the present invention is with in the optical lens, and the focal length of these first lens is f1, and the focal length of the 4th lens is f4, preferably, is to satisfy following relationship formula: 0.80＜f1/f4＜1.40.When f1/f4 satisfied the above-mentioned relation formula, the refracting power of these first lens and the 4th lens disposed comparatively balance, helped reducing the susceptibility and the generation that reduces aberration of system.
The aforementioned capture of the present invention is with in the optical lens, has the airspace between these first lens and this second lens, and these first lens and this second lens airspace distance on optical axis is T12, whole capture is f with the focal length of optical lens, preferably, be to satisfy the following relationship formula: 0.05＜(T12/f) * 10＜0.85.When (T12/f) * 10 satisfied the above-mentioned relation formula, these first lens and this second lens airspace distance on optical axis was comparatively suitable, can avoid the too short and difficulty that causes lens set to load onto of spacing distance, or spacing distance is long and influence the miniaturization of camera lens.
The aforementioned capture of the present invention is with in the optical lens, the abbe number of these first lens is V1, and the abbe number of these second lens is V2, and the abbe number of the 3rd lens is V3, preferably, be to satisfy following relationship formula: 15.0＜V1-((V1+V2+V3)/3)＜30.0.As V1-((V1+V2+V3)/3) when satisfying the above-mentioned relation formula, more help the correction of this capture, with the resolving power of elevator system with aberration in optical lens.
The aforementioned capture of the present invention is with in the optical lens, and the thing side surface of these first lens is Td to the 5th lens as the distance of side surface on optical axis, and whole capture is f with the focal length of optical lens, preferably, is to satisfy following relationship formula: 0.70＜Td/f＜1.00.When Td/f satisfies the above-mentioned relation formula, can make in the system mirror configuration set comparatively tight, to keep the miniaturization of camera lens.
The aforementioned capture of the present invention is with in the optical lens, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, preferably, is to satisfy following relationship formula: TTL/ImgH＜1.95.When TTL/ImgH satisfies the above-mentioned relation formula, help keeping the miniaturization of capture, to be equipped on the frivolous portable electronic product with optical lens.
On the other hand, the invention provides a kind of capture optical lens, comprise the lens of five pieces of tool refracting powers, extremely be in regular turn as side by the thing side: first lens of the positive refracting power of a tool, its thing side surface is a convex surface; Second lens of the negative refracting power of one tool, it is a concave surface as side surface; One the 3rd lens, its thing side surface are concave surface and are convex surface as side surface; The 4th lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface, and the thing side surface of the 4th lens and be all aspheric surface as side surface; And the 5th lens of the negative refracting power of a tool, it is a concave surface as side surface, the thing side surface of the 5th lens and be all aspheric surface as side surface, and the 5th lens be provided with at least one point of inflexion as side surface; Wherein, has the airspace between these first lens and this second lens, and these first lens and this second lens airspace distance on optical axis is T12, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula: 0.05＜(T12/f) * 10＜0.85.
When aforementioned capture is satisfied the following relationship formula with optical lens: 0.05＜(T12/f) * 10＜0.85, these first lens and this second lens airspace distance on optical axis is comparatively suitable, can avoid the too short and difficulty that causes lens set to load onto of spacing distance, or spacing distance is long and influence the miniaturization of camera lens.
The aforementioned capture of the present invention is with in the optical lens, and preferably, the thing side surface of the 5th lens is a concave surface, at this moment, the 5th lens are a biconcave lens, and the principal point that can make optical system is further from imaging surface, help shortening the optics total length of system, to keep the miniaturization of camera lens.
The aforementioned capture of the present invention is with in the optical lens, and 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.
The aforementioned capture of the present invention is with in the optical lens, and the thing side surface radius-of-curvature of these first lens is R1, and whole capture is f with the focal length of optical lens, preferably, is to satisfy following relationship formula: 0.25＜R1/f＜0.45.When R1/f satisfies the above-mentioned relation formula, can provide these first lens enough positive refracting powers, and avoid producing too much higher order aberratons simultaneously.
The aforementioned capture of the present invention is with in the optical lens, and the thickness of these second lens on optical axis is CT2, and whole capture is f with the focal length of optical lens, preferably, is to satisfy the following relationship formula: 0.30＜(CT2/f) * 10＜1.00.When (CT2/f) * 10 satisfied the above-mentioned relation formula, the lens thickness size of these second lens was comparatively suitable, can obtain good balance considering between eyeglass technology yields and the update the system aberration.
The aforementioned capture of the present invention is with in the optical lens, and the abbe number of these first lens is V1, and the abbe number of these second lens is V2, preferably, is to satisfy following relationship formula: 30.5＜V1-V2＜42.0.When V1-V2 satisfies the above-mentioned relation formula, help the correction of this capture with aberration in the optical lens.
The aforementioned capture of the present invention is with in the optical lens, the abbe number of these first lens is V1, and the abbe number of these second lens is V2, and the abbe number of the 3rd lens is V3, preferably, be to satisfy following relationship formula: 15.0＜V1-((V1+V2+V3)/3)＜30.0.As V1-((V1+V2+V3)/3) when satisfying the above-mentioned relation formula, more help the correction of this capture, with the resolving power of elevator system with aberration in optical lens.
The aforementioned capture of the present invention is with in the optical lens, preferably, this capture is provided with an aperture in addition with optical lens and a sense electronics optical element supplies the object imaging, this aperture is arranged between object and this second lens, and this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, satisfies following relationship formula: 0.75＜SL/TTL＜1.20.When SL/TTL satisfies the above-mentioned relation formula, help this capture and in heart characteristic far away and Wide-angle, obtain good balance with optical lens.
The aforementioned capture of the present invention is with in the optical lens, preferably, this capture is provided with a sense electronics optical element for the object imaging in addition with optical lens, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies following relationship formula: TTL/ImgH＜1.95.When TTL/ImgH satisfies the above-mentioned relation formula, help keeping the miniaturization of capture, to be equipped on the frivolous portable electronic product with optical lens.
Capture of the present invention is with in the optical lens, and 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, the total length of capture of the present invention therefore can effectively be reduced with optical lens.
Capture of the present invention if lens surface is a convex surface, represents then that this lens surface is a convex surface at paraxial place with in the optical lens; If lens surface is a concave surface, represent that then this lens surface is a concave surface at paraxial place.
Capture of the present invention will be described in detail by following specific embodiment conjunction with figs. with optical lens.
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 capture of first embodiment mainly is made of five pieces of lens with optical lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 120 of the negative refracting power of one tool, its thing side surface 121 be that concave surface and picture side surface 122 are convex surface, and its material is a plastic cement, the thing side surface 121 of the 3rd lens 120 and be all aspheric surface as side surface 122;
The 4th 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 4th lens 130 and be all aspheric surface as side surface 132; And
The 5th lens 140 of the negative refracting power of one tool, its thing side surface 141 and be all concave surface as side surface 142, its material is a plastic cement, the thing side surface 141 of the 5th lens 140 and be all aspheric surface as side surface 142, and the 5th lens 140 be provided with at least one point of inflexion as side surface 142;
Wherein, this capture is provided with an aperture 150 in addition with optical lens and places between these first lens 100 and this second lens 110;
Other includes an infrared ray filtering optical filter (IR-filter) 160 and places looking like between a side surface 142 and the imaging surface 170 of the 5th lens 140; The material of this infrared ray filtering optical filter 160 is that glass and its do not influence the focal length of capture of the present invention with optical lens.
The equation of above-mentioned aspheric curve is expressed 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.
The first embodiment capture is with in the optical lens, and whole capture is f with the focal length of optical lens, and its relational expression is: f=4.34 (millimeter).
The first embodiment capture is with in the optical lens, and whole capture is Fno with the f-number (f-number) of optical lens, and its relational expression is: Fno=2.85.
The first embodiment capture is with in the optical lens, and whole capture is HFOV with half of maximum visual angle in the optical lens, and its relational expression is: HFOV=33.2 (degree).
The first embodiment capture is with in the optical lens, and the abbe number of these first lens 100 is V1, and the abbe number of these second lens 110 is V2, and its relational expression is: V1-V2=32.5.
The first embodiment capture is with in the optical lens, and the abbe number of these first lens 100 is V1, and the abbe number of these second lens 110 is V2, and the abbe number of the 3rd lens 120 is V3, and its relational expression is: V1-((V1+V2+V3)/3)=21.7.
The first embodiment capture is with in the optical lens, and the focal length of these first lens 100 is f1, and whole capture is f with the focal length of optical lens, and its relational expression is: f1/f=0.59.
The first embodiment capture is with in the optical lens, and the focal length of these first lens 100 is f1, and the focal length of the 4th lens 130 is f4, and its relational expression is: f1/f4=1.26.
The first embodiment capture is with in the optical lens, and the thing side surface radius-of-curvature of these first lens 100 is R1, and whole capture is f with the focal length of optical lens, and its relational expression is: R1/f=0.33.
The first embodiment capture is with in the optical lens, and the thickness of these second lens 110 on optical axis is CT2, and whole capture is f with the focal length of optical lens, and its relational expression is: (CT2/f) * 10=0.81.
The first embodiment capture is with in the optical lens, and these first lens 100 are T12 with the airspace distance of these second lens 110 on optical axis, and whole capture is f with the focal length of optical lens, and its relational expression is: (T12/f) * 10=0.20.
The first embodiment capture is with in the optical lens, thing side surface 101 to the 5th lens 140 of these first lens 100 be Td as the distance of side surface 142 on optical axis, whole capture is f with the focal length of optical lens, its relational expression is: Td/f=0.81.
The first embodiment capture is with in the optical lens, this capture is provided with a sense electronics optical element at these imaging surface 170 places for the object imaging thereon in addition with optical lens, this aperture 150 to the distance of this sense electronics optical element on optical axis is SL, the thing side surface 101 of these first lens 100 is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.88.
The first embodiment capture is with in the optical lens, the thing side surface 101 of these first lens 100 to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.67.
The detailed optical data of first embodiment is shown in Fig. 7 table one, and its aspherical surface data is shown in Fig. 8 A table two A and Fig. 8 B table two B, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and HFOV is defined as half 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 capture of second embodiment mainly is made of five pieces of lens with optical lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 220 of the negative refracting power of one tool, its thing side surface 221 be that concave surface and picture side surface 222 are convex surface, and its material is a plastic cement, the thing side surface 221 of the 3rd lens 220 and be all aspheric surface as side surface 222;
The 4th 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 4th lens 230 and be all aspheric surface as side surface 232; And
The 5th lens 240 of the negative refracting power of one tool, its thing side surface 241 and be all concave surface as side surface 242, its material is a plastic cement, the thing side surface 241 of the 5th lens 240 and be all aspheric surface as side surface 242, and the 5th lens 240 be provided with at least one point of inflexion as side surface 242;
Wherein, this capture is provided with an aperture 250 in addition with optical lens and places between these first lens 200 and this second lens 210;
Other includes an infrared ray filtering optical filter 260 and places looking like between a side surface 242 and the imaging surface 270 of the 5th lens 240; The material of this infrared ray filtering optical filter 260 is that glass and its do not influence the focal length of capture of the present invention with optical lens.
The equational expression of the second embodiment aspheric curve is as the pattern of first embodiment.
The second embodiment capture is with in the optical lens, and whole capture is f with the focal length of optical lens, and its relational expression is: f=4.19 (millimeter).
The second embodiment capture is with in the optical lens, and whole capture is Fno with the f-number of optical lens, and its relational expression is: Fno=2.60.
The second embodiment capture is with in the optical lens, and whole capture is HFOV with half of maximum visual angle in the optical lens, and its relational expression is: HFOV=34.0 (degree).
The second embodiment capture is with in the optical lens, and the abbe number of these first lens 200 is V1, and the abbe number of these second lens 210 is V2, and its relational expression is: V1-V2=34.5.
The second embodiment capture is with in the optical lens, and the abbe number of these first lens 200 is V1, and the abbe number of these second lens 210 is V2, and the abbe number of the 3rd lens 220 is V3, and its relational expression is: V1-((V1+V2+V3)/3)=23.0.
The second embodiment capture is with in the optical lens, and the focal length of these first lens 200 is f1, and whole capture is f with the focal length of optical lens, and its relational expression is: f1/f=0.65.
The second embodiment capture is with in the optical lens, and the focal length of these first lens 200 is f1, and the focal length of the 4th lens 230 is f4, and its relational expression is: f1/f4=1.07.
The second embodiment capture is with in the optical lens, and the thing side surface radius-of-curvature of these first lens 200 is R1, and whole capture is f with the focal length of optical lens, and its relational expression is: R1/f=0.38.
The second embodiment capture is with in the optical lens, and the thickness of these second lens 210 on optical axis is CT2, and whole capture is f with the focal length of optical lens, and its relational expression is: (CT2/f) * 10=0.70.
The second embodiment capture is with in the optical lens, and these first lens 200 are T12 with the airspace distance of these second lens 210 on optical axis, and whole capture is f with the focal length of optical lens, and its relational expression is: (T12/f) * 10=0.17.
The second embodiment capture is with in the optical lens, thing side surface 201 to the 5th lens 240 of these first lens 200 be Td as the distance of side surface 242 on optical axis, whole capture is f with the focal length of optical lens, its relational expression is: Td/f=0.88.
The second embodiment capture is with in the optical lens, this capture is provided with a sense electronics optical element at these imaging surface 270 places for the object imaging thereon in addition with optical lens, this aperture 250 to the distance of this sense electronics optical element on optical axis is SL, the thing side surface 201 of these first lens 200 is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.85.
The second embodiment capture is with in the optical lens, the thing side surface 201 of these first lens 200 to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.71.
The detailed optical data of second embodiment is shown in Fig. 9 table three, and its aspherical surface data is shown in Figure 10 A table four A and Figure 10 B table four B, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and HFOV is defined as half 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 capture of the 3rd embodiment mainly is made of five pieces of lens with optical lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 320 of the negative refracting power of one tool, its thing side surface 321 be that concave surface and picture side surface 322 are convex surface, and its material is a plastic cement, the thing side surface 321 of the 3rd lens 320 and be all aspheric surface as side surface 322;
The 4th 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 4th lens 330 and be all aspheric surface as side surface 332; And
The 5th lens 340 of the negative refracting power of one tool, its thing side surface 341 is that convex surface and picture side surface 342 are concave surface, its material is a plastic cement, the thing side surface 341 of the 5th lens 340 and be all aspheric surface as side surface 342, and the 5th lens 340 be provided with at least one point of inflexion as side surface 342;
Wherein, this capture is provided with an aperture 350 in addition with optical lens and places between these first lens 300 and this second lens 310;
Other includes an infrared ray filtering optical filter 360 and places looking like between a side surface 342 and the imaging surface 370 of the 5th lens 340; The material of this infrared ray filtering optical filter 360 is that glass and its do not influence the focal length of capture of the present invention with optical lens.
The equational expression of the 3rd embodiment aspheric curve is as the pattern of first embodiment.
The 3rd embodiment capture is with in the optical lens, and whole capture is f with the focal length of optical lens, and its relational expression is: f=4.35 (millimeter).
The 3rd embodiment capture is with in the optical lens, and whole capture is Fno with the f-number of optical lens, and its relational expression is: Fno=2.80.
The 3rd embodiment capture is with in the optical lens, and whole capture is HFOV with half of maximum visual angle in the optical lens, and its relational expression is: HFOV=33.2 (degree).
The 3rd embodiment capture is with in the optical lens, and the abbe number of these first lens 300 is V1, and the abbe number of these second lens 310 is V2, and its relational expression is: V1-V2=32.5.
The 3rd embodiment capture is with in the optical lens, and the abbe number of these first lens 300 is V1, and the abbe number of these second lens 310 is V2, and the abbe number of the 3rd lens 320 is V3, and its relational expression is: V1-((V1+V2+V3)/3)=21.7.
The 3rd embodiment capture is with in the optical lens, and the focal length of these first lens 300 is f1, and whole capture is f with the focal length of optical lens, and its relational expression is: f1/f=0.56.
The 3rd embodiment capture is with in the optical lens, and the focal length of these first lens 300 is f1, and the focal length of the 4th lens 330 is f4, and its relational expression is: f1/f4=0.90.
The 3rd embodiment capture is with in the optical lens, and the thing side surface radius-of-curvature of these first lens 300 is R1, and whole capture is f with the focal length of optical lens, and its relational expression is: R1/f=0.33.
The 3rd embodiment capture is with in the optical lens, and the thickness of these second lens 310 on optical axis is CT2, and whole capture is f with the focal length of optical lens, and its relational expression is: (CT2/f) * 10=0.69.
The 3rd embodiment capture is with in the optical lens, and these first lens 300 are T12 with the airspace distance of these second lens 310 on optical axis, and whole capture is f with the focal length of optical lens, and its relational expression is: (T12/f) * 10=0.22.
The 3rd embodiment capture is with in the optical lens, thing side surface 301 to the 5th lens 340 of these first lens 300 be Td as the distance of side surface 342 on optical axis, whole capture is f with the focal length of optical lens, its relational expression is: Td/f=0.79.
The 3rd embodiment capture is with in the optical lens, this capture is provided with a sense electronics optical element at these imaging surface 370 places for the object imaging thereon in addition with optical lens, this aperture 350 to the distance of this sense electronics optical element on optical axis is SL, the thing side surface 301 of these first lens 300 is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.86.
The 3rd embodiment capture is with in the optical lens, the thing side surface 301 of these first lens 300 to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.67.
The detailed optical data of the 3rd embodiment is shown in Figure 11 table five, and its aspherical surface data is shown in Figure 12 A table six A and Figure 12 B table six B, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and HFOV is defined as half 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 capture of the 4th embodiment mainly is made of five pieces of lens with optical lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 420 of the positive refracting power of one tool, its thing side surface 421 are that concave surface and picture side surface 422 are convex surface, and its material is a plastic cement, the thing side surface 421 of the 3rd lens 420 and be all aspheric surface as side surface 422;
The 4th 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 4th lens 430 and be all aspheric surface as side surface 432; And
The 5th lens 440 of the negative refracting power of one tool, its thing side surface 441 is that convex surface and picture side surface 442 are concave surface, its material is a plastic cement, the thing side surface 441 of the 5th lens 440 and be all aspheric surface as side surface 442, and the 5th lens 440 be provided with at least one point of inflexion as side surface 442;
Wherein, this capture is provided with an aperture 450 in addition with optical lens and places between these first lens 400 and this second lens 410;
Other includes an infrared ray filtering optical filter 460 and places looking like between a side surface 442 and the imaging surface 470 of the 5th lens 440; The material of this infrared ray filtering optical filter 460 is that glass and its do not influence the focal length of capture of the present invention with optical lens.
The equational expression of the 4th embodiment aspheric curve is as the pattern of first embodiment.
The 4th embodiment capture is with in the optical lens, and whole capture is f with the focal length of optical lens, and its relational expression is: f=4.33 (millimeter).
The 4th embodiment capture is with in the optical lens, and whole capture is Fno with the f-number of optical lens, and its relational expression is: Fno=2.60.
The 4th embodiment capture is with in the optical lens, and whole capture is HFOV with half of maximum visual angle in the optical lens, and its relational expression is: HFOV=33.2 (degree).
The 4th embodiment capture is with in the optical lens, and the abbe number of these first lens 400 is V1, and the abbe number of these second lens 410 is V2, and its relational expression is: V1-V2=34.5.
The 4th embodiment capture is with in the optical lens, and the abbe number of these first lens 400 is V1, and the abbe number of these second lens 410 is V2, and the abbe number of the 3rd lens 420 is V3, and its relational expression is: V1-((V1+V2+V3)/3)=23.0.
The 4th embodiment capture is with in the optical lens, and the focal length of these first lens 400 is f1, and whole capture is f with the focal length of optical lens, and its relational expression is: f1/f=0.67.
The 4th embodiment capture is with in the optical lens, and the focal length of these first lens 400 is f1, and the focal length of the 4th lens 430 is f4, and its relational expression is: f1/f4=0.89.
The 4th embodiment capture is with in the optical lens, and the thing side surface radius-of-curvature of these first lens 400 is R1, and whole capture is f with the focal length of optical lens, and its relational expression is: R1/f=0.32.
The 4th embodiment capture is with in the optical lens, and the thickness of these second lens 410 on optical axis is CT2, and whole capture is f with the focal length of optical lens, and its relational expression is: (CT2/f) * 10=0.62.
The 4th embodiment capture is with in the optical lens, and these first lens 400 are T12 with the airspace distance of these second lens 410 on optical axis, and whole capture is f with the focal length of optical lens, and its relational expression is: (T12/f) * 10=0.24.
The 4th embodiment capture is with in the optical lens, thing side surface 401 to the 5th lens 440 of these first lens 400 be Td as the distance of side surface 442 on optical axis, whole capture is f with the focal length of optical lens, its relational expression is: Td/f=0.82.
The 4th embodiment capture is with in the optical lens, this capture is provided with a sense electronics optical element at these imaging surface 470 places for the object imaging thereon in addition with optical lens, this aperture 450 to the distance of this sense electronics optical element on optical axis is SL, the thing side surface 401 of these first lens 400 is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.84.
The 4th embodiment capture is with in the optical lens, the thing side surface 401 of these first lens 400 to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.71.
The detailed optical data of the 4th embodiment is shown in Figure 13 table seven, and its aspherical surface data is shown in Figure 14 A table eight A and Figure 14 B table eight B, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and HFOV is defined as half 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 capture of the 5th embodiment mainly is made of five pieces of lens with optical lens, is extremely comprised in regular turn as side by the thing side:
The 3rd lens 520 of the negative refracting power of one tool, its thing side surface 521 be that concave surface and picture side surface 522 are convex surface, and its material is a plastic cement, the thing side surface 521 of the 3rd lens 520 and be all aspheric surface as side surface 522;
The 4th 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 4th lens 530 and be all aspheric surface as side surface 532; And
The 5th lens 540 of the negative refracting power of one tool, its thing side surface 541 and be all concave surface as side surface 542, its material is a plastic cement, the thing side surface 541 of the 5th lens 540 and be all aspheric surface as side surface 542, and the 5th lens 540 be provided with at least one point of inflexion as side surface 542;
Wherein, this capture is provided with an aperture 550 in addition with optical lens and places between object and this first lens 500;
Other includes an infrared ray filtering optical filter 560 and places looking like between a side surface 542 and the imaging surface 570 of the 5th lens 540; The material of this infrared ray filtering optical filter 560 is that glass and its do not influence the focal length of capture of the present invention with optical lens.
The equational expression of the 5th embodiment aspheric curve is as the pattern of first embodiment.
The 5th embodiment capture is with in the optical lens, and whole capture is f with the focal length of optical lens, and its relational expression is: f=4.30 (millimeter).
The 5th embodiment capture is with in the optical lens, and whole capture is Fno with the f-number of optical lens, and its relational expression is: Fno=2.80.
The 5th embodiment capture is with in the optical lens, and whole capture is HFOV with half of maximum visual angle in the optical lens, and its relational expression is: HFOV=33.5 (degree).
The 5th embodiment capture is with in the optical lens, and the abbe number of these first lens 500 is V1, and the abbe number of these second lens 510 is V2, and its relational expression is: V1-V2=34.5.
The 5th embodiment capture is with in the optical lens, and the abbe number of these first lens 500 is V1, and the abbe number of these second lens 510 is V2, and the abbe number of the 3rd lens 520 is V3, and its relational expression is: V1-((V1+V2+V3)/3)=23.0.
The 5th embodiment capture is with in the optical lens, and the focal length of these first lens 500 is f1, and whole capture is f with the focal length of optical lens, and its relational expression is: f1/f=0.51.
The 5th embodiment capture is with in the optical lens, and the focal length of these first lens 500 is f1, and the focal length of the 4th lens 530 is f4, and its relational expression is: f1/f4=0.43.
The 5th embodiment capture is with in the optical lens, and the thing side surface radius-of-curvature of these first lens 500 is R1, and whole capture is f with the focal length of optical lens, and its relational expression is: R1/f=0.29.
The 5th embodiment capture is with in the optical lens, and the thickness of these second lens 510 on optical axis is CT2, and whole capture is f with the focal length of optical lens, and its relational expression is: (CT2/f) * 10=0.65.
The 5th embodiment capture is with in the optical lens, and these first lens 500 are T12 with the airspace distance of these second lens 510 on optical axis, and whole capture is f with the focal length of optical lens, and its relational expression is: (T12/f) * 10=0.20.
The 5th embodiment capture is with in the optical lens, thing side surface 501 to the 5th lens 540 of these first lens 500 be Td as the distance of side surface 542 on optical axis, whole capture is f with the focal length of optical lens, its relational expression is: Td/f=0.81.
The 5th embodiment capture is with in the optical lens, this capture is provided with a sense electronics optical element at these imaging surface 570 places for the object imaging thereon in addition with optical lens, this aperture 550 to the distance of this sense electronics optical element on optical axis is SL, the thing side surface 501 of these first lens 500 is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.95.
The 5th embodiment capture is with in the optical lens, the thing side surface 501 of these first lens 500 to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.53.
The detailed optical data of the 5th embodiment is shown in Figure 15 table nine, and its aspherical surface data is shown in Figure 16 A table ten A and Figure 16 B table ten B, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and HFOV is defined as half of maximum visual angle.
The 6th embodiment:
The optical system synoptic diagram of sixth embodiment of the invention sees also Fig. 6 A, and the aberration curve of the 6th embodiment sees also Fig. 6 B.The capture of the 6th embodiment mainly is made of five pieces of lens with optical lens, is extremely comprised in regular turn as side by the thing side:
First lens 600 of the positive refracting power of one tool, its thing side surface 601 are that convex surface and picture side surface 602 are concave surface, and its material is a plastic cement, the thing side surface 601 of these first lens 600 and be all aspheric surface as side surface 602;
Second lens 610 of the negative refracting power of one tool, its thing side surface 611 be that convex surface and picture side surface 612 are concave surface, and its material is a plastic cement, the thing side surface 611 of these second lens 610 and be all aspheric surface as side surface 612;
The 3rd lens 620 of the positive refracting power of one tool, its thing side surface 621 are that concave surface and picture side surface 622 are convex surface, and its material is a plastic cement, the thing side surface 621 of the 3rd lens 620 and be all aspheric surface as side surface 622;
The 4th lens 630 of the positive refracting power of one tool, its thing side surface 631 are that concave surface and picture side surface 632 are convex surface, and its material is a plastic cement, the thing side surface 631 of the 4th lens 630 and be all aspheric surface as side surface 632; And
The 5th lens 640 of the negative refracting power of one tool, its thing side surface 641 and be all concave surface as side surface 642, its material is a plastic cement, the thing side surface 641 of the 5th lens 640 and be all aspheric surface as side surface 642, and the 5th lens 640 be provided with at least one point of inflexion as side surface 642;
Wherein, this capture is provided with an aperture 650 in addition with optical lens and places between object and this first lens 600;
Other includes an infrared ray filtering optical filter 660 and places looking like between a side surface 642 and the imaging surface 670 of the 5th lens 640; The material of this infrared ray filtering optical filter 660 is that glass and its do not influence the focal length of capture of the present invention with optical lens.
The equational expression of the 6th embodiment aspheric curve is as the pattern of first embodiment.
The 6th embodiment capture is with in the optical lens, and whole capture is f with the focal length of optical lens, and its relational expression is: f=4.20 (millimeter).
The 6th embodiment capture is with in the optical lens, and whole capture is Fno with the f-number of optical lens, and its relational expression is: Fno=2.80.
The 6th embodiment capture is with in the optical lens, and whole capture is HFOV with half of maximum visual angle in the optical lens, and its relational expression is: HFOV=34.0 (degree).
The 6th embodiment capture is with in the optical lens, and the abbe number of these first lens 600 is V1, and the abbe number of these second lens 610 is V2, and its relational expression is: V1-V2=34.5.
The 6th embodiment capture is with in the optical lens, and the abbe number of these first lens 600 is V1, and the abbe number of these second lens 610 is V2, and the abbe number of the 3rd lens 620 is V3, and its relational expression is: V1-((V1+V2+V3)/3)=11.5.
The 6th embodiment capture is with in the optical lens, and the focal length of these first lens 600 is f1, and whole capture is f with the focal length of optical lens, and its relational expression is: f1/f=0.62.
The 6th embodiment capture is with in the optical lens, and the focal length of these first lens 600 is f1, and the focal length of the 4th lens 630 is f4, and its relational expression is: f1/f4=0.51.
The 6th embodiment capture is with in the optical lens, and the thing side surface radius-of-curvature of these first lens 600 is R1, and whole capture is f with the focal length of optical lens, and its relational expression is: R1/f=0.31.
The 6th embodiment capture is with in the optical lens, and the thickness of these second lens 610 on optical axis is CT2, and whole capture is f with the focal length of optical lens, and its relational expression is: (CT2/f) * 10=0.67.
The 6th embodiment capture is with in the optical lens, and these first lens 600 are T12 with the airspace distance of these second lens 610 on optical axis, and whole capture is f with the focal length of optical lens, and its relational expression is: (T12/f) * 10=0.15.
The 6th embodiment capture is with in the optical lens, thing side surface 601 to the 5th lens 640 of these first lens 600 be Td as the distance of side surface 642 on optical axis, whole capture is f with the focal length of optical lens, its relational expression is: Td/f=0.83.
The 6th embodiment capture is with in the optical lens, this capture is provided with a sense electronics optical element at these imaging surface 670 places for the object imaging thereon in addition with optical lens, this aperture 650 to the distance of this sense electronics optical element on optical axis is SL, the thing side surface 601 of these first lens 600 is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.95.
The 6th embodiment capture is with in the optical lens, the thing side surface 601 of these first lens 600 to the distance of this sense electronics optical element on optical axis is TTL, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=1.57.
The detailed optical data of the 6th embodiment is shown in Figure 17 table ten one, and its aspherical surface data is shown in Figure 18 A table ten two A and Figure 18 B table ten two B, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and HFOV is defined as half of maximum visual angle.
Table one to table ten two (corresponding diagram 7 is to Figure 18 respectively) is depicted as the different numerical value change tables of capture of the present invention with optical lens embodiment; 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; so above explanation is described and accompanying drawing only as exemplary, non-in order to limit claim of the present invention.Table ten three (corresponding Figure 19) is the numeric data of the corresponding correlationship formula of the present invention of each embodiment.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (24)
1. a capture optical lens is characterized in that, described capture comprises the lens of five pieces of tool refracting powers with optical lens, by the thing side to being in regular turn as side:
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;
One the 3rd lens, its thing side surface is a concave surface;
The 4th lens of the positive refracting power of one tool, it is a convex surface as side surface, and the thing side surface of described the 4th lens be aspheric surface as at least one surface in the side surface; And
The 5th lens of the negative refracting power of one tool, it is a concave surface as side surface, and described the 5th lens be provided with at least one point of inflexion as side surface;
Wherein, described capture is provided with an aperture in addition with optical lens and a sense electronics optical element supplies the object imaging, described aperture is arranged between object and described second lens, and described aperture to the distance of described sense electronics optical element on optical axis is SL, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, and it satisfies the following relationship formula:
0.75＜SL/TTL＜1.20。
2. capture optical lens as claimed in claim 1 is characterized in that, described second lens be concave surface as side surface, the thing side surface of described the 5th lens and be all aspheric surface, and the material of described the 5th lens is a plastic cement as side surface.
3. capture optical lens as claimed in claim 2 is characterized in that, the thing side surface of described the 4th lens is a concave surface.
4. capture optical lens as claimed in claim 3 is characterized in that, the focal length of described first lens is f1, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.40＜f1/f＜0.80。
5. capture optical lens as claimed in claim 4 is characterized in that, the focal length of described first lens is f1, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.50＜f1/f＜0.70。
6. capture optical lens as claimed in claim 4 is characterized in that, the thickness of described second lens on optical axis is CT2, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.30＜(CT2/f)*10＜1.00。
7. capture optical lens as claimed in claim 4 is characterized in that, the abbe number of described first lens is V1, and the abbe number of described second lens is V2, satisfies the following relationship formula:
25.0＜V1-V2＜45.0。
8. capture optical lens as claimed in claim 7 is characterized in that, the abbe number of described first lens is V1, and the abbe number of described second lens is V2, satisfies the following relationship formula:
30.5＜V1-V2＜42.0。
9. capture optical lens as claimed in claim 7 is characterized in that, the thing side surface radius-of-curvature of described first lens is R1, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.25＜R1/f＜0.45。
10. capture optical lens as claimed in claim 7, it is characterized in that, described aperture is arranged between described first lens and described second lens, and described aperture to the distance of described sense electronics optical element on optical axis is SL, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, satisfies the following relationship formula:
0.75＜SL/TTL＜0.92。
11. capture optical lens as claimed in claim 3 is characterized in that, the focal length of described first lens is f1, and the focal length of described the 4th lens is f4, satisfies the following relationship formula:
0.80＜f1/f4＜1.40。
12. capture optical lens as claimed in claim 3, it is characterized in that, has the airspace between described first lens and described second lens, and described first lens and described second lens airspace distance on optical axis is T12, whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.05＜(T12/f)*10＜0.85。
13. capture optical lens as claimed in claim 2 is characterized in that, the abbe number of described first lens is V1, and the abbe number of described second lens is V2, and the abbe number of described the 3rd lens is V3, satisfies the following relationship formula:
15.0＜V1-((V1+V2+V3)/3)＜30.0。
14. capture optical lens as claimed in claim 2 is characterized in that, the thing side surface of described the 5th lens is a concave surface.
15. capture optical lens as claimed in claim 1 is characterized in that, the thing side surface of described first lens is Td to described the 5th lens as the distance of side surface on optical axis, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.70＜Td/f＜1.00。
16. capture optical lens as claimed in claim 1, it is characterized in that, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, and half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:
TTL/ImgH＜1.95。
17. a capture optical lens is characterized in that, described capture comprises the lens of five pieces of tool refracting powers with optical lens, by the thing side to being in regular turn as side:
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, it is a concave surface as side surface;
One the 3rd lens, its thing side surface are concave surface and are convex surface as side surface;
The 4th lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface, and the thing side surface of described the 4th lens and be all aspheric surface as side surface; And
The 5th lens of the negative refracting power of one tool, it is a concave surface as side surface, the thing side surface of described the 5th lens and be all aspheric surface as side surface, and described the 5th lens be provided with at least one point of inflexion as side surface;
Wherein, have the airspace between described first lens and described second lens, and described first lens and described second lens airspace distance on optical axis is T12, whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.05＜(T12/f)*10＜0.85。
18. capture optical lens as claimed in claim 17 is characterized in that, the thing side surface of described the 5th lens is a concave surface, and the material of described the 5th lens is a plastic cement.
19. capture optical lens as claimed in claim 17 is characterized in that, the thing side surface radius-of-curvature of described first lens is R1, and whole capture is f with the focal length of optical lens, satisfies following relationship formula: 0.25＜R1/f＜0.45.
20. capture optical lens as claimed in claim 19 is characterized in that, the thickness of described second lens on optical axis is CT2, and whole capture is f with the focal length of optical lens, satisfies the following relationship formula:
0.30＜(CT2/f)*10＜1.00。
21. capture optical lens as claimed in claim 17 is characterized in that, the abbe number of described first lens is V1, and the abbe number of described second lens is V2, satisfies the following relationship formula:
30.5＜V1-V2＜42.0。
22. capture optical lens as claimed in claim 17 is characterized in that, the abbe number of described first lens is V1, and the abbe number of described second lens is V2, and the abbe number of described the 3rd lens is V3, satisfies the following relationship formula:
15.0＜V1-((V1+V2+V3)/3)＜30.0。
23. capture optical lens as claimed in claim 17, it is characterized in that, described capture is provided with an aperture in addition with optical lens and a sense electronics optical element supplies the object imaging, described aperture is arranged between object and described second lens, and described aperture to the distance of described sense electronics optical element on optical axis is SL, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, satisfies the following relationship formula:
0.75＜SL/TTL＜1.20。
24. capture optical lens as claimed in claim 19, it is characterized in that, described capture is provided with a sense electronics optical element for the object imaging in addition with optical lens, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, and half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:
TTL/ImgH＜1.95。
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