CN102213816A - Optical photographic lens - Google Patents

Abstract

The invention discloses an optical photographic lens. The optical photographic lens comprises a first lens with negative refraction power, a second lens with positive refraction power, a third lens with positive refraction power, a fourth lens with negative refraction power, and a fifth lens with positive refraction power from an object side to an image side, wherein the surface of the image side of the first lens is a concave surface; the surface of the object side of the second lens is a concave surface and the surface of the image side of the second lens is a convex surface; the surface of the object side of the third lens is a concave surface and the surface of the image side of the third lens is a convex surface; the optical photographic lens is also provided with a diaphragm which is arranged between the second lens and the third lens; and a distance between the fourth lens and the fifth lens on the optical axis is T45, the focal length of the whole optical photographic lens is f and the number of lenses with the refraction power in the optical photographic lens is N, so the coefficients are accordance with the following expression: T45/f*10 is more than 0.10 and less than 6.00 and N is more than or equal to 5 and less than or equal to 6. The optical photographic lens provided by the embodiment of the invention has a wide vision angle and high imaging quality; and the sensitivity of the system can be reduced and the total length of the lens can be shortened.

Description

The optical photography camera lens

Technical field

The present invention relates to a kind of optical photography camera lens, relate in particular to a kind of miniaturization optical photography camera lens with Wide-angle.

Background technology

Recent years, the range of application of optical photography camera lens more and more widely, particularly at mobile phone camera, the computer network video-unit, automobile-used camera lens and image security monitoring etc., 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, CMOSSensor) two kinds, and because semiconductor fabrication process development of technology, make the elemental area of photo-sensitive cell dwindle, phtographic lens is gradually toward high pixel and the development of miniaturization field, therefore, the requirement to image quality also increases day by day.

Existing phtographic lens with great visual angle, adopt the pre-group lens mostly and be negative refracting power, back group's lens are the configuration mode of positive refracting power, constitute so-called anti-photography type (Inverse Telephoto) structure, obtain the characteristic of Wide-angle by this, as United States Patent (USP) the 7th, 446, shown in No. 955, for adopting the negative refracting power of pre-group, the four-piece type lens arrangement of the positive refracting power of back group, form even so can obtain bigger field angle, but because the back group only disposes one piece of lens, be difficult to system aberration is done good revisal, add that market constantly increases for high resolution and demand with phtographic lens of Wide-angle, therefore be badly in need of a kind of possess Wide-angle and high image quality are arranged and are unlikely to the optical photography camera lens that makes the camera lens total length long.

Summary of the invention

The invention provides a kind of optical photography camera lens, extremely comprise in regular turn as side by the thing side: first lens of the negative refracting power of a tool, it is a concave surface as side surface; Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex 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; And the 5th lens of the positive refracting power of a tool; Wherein, this optical photography camera lens is provided with an aperture in addition, and this aperture is arranged between these second lens and the 3rd lens; At least two pieces of lens in the 3rd lens, the 4th lens and the 5th lens, its thing side surface be aspheric surface as at least one surface in the side surface; The 4th lens and the distance of the 5th lens on optical axis are T45, and the focal length of whole optical photography camera lens is f, and the number of lenses of tool refracting power is N in this optical photography camera lens, satisfies the following relationship formula:

0.10＜(T45/f)*10＜6.00；

5≤N≤6。

On the other hand, the invention provides a kind of optical photography camera lens, comprise the lens of five pieces of tool refracting powers, by the thing side to being in regular turn as side: first lens of the negative refracting power of a tool, its thing side surface are convex surface and are concave surface as side surface; Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool, its thing side surface and be all aspheric surface as side surface; And the 5th lens of the positive refracting power of a tool, its thing side surface and be all aspheric surface as side surface; Wherein, these second lens and the distance of the 3rd lens on optical axis are T23, the 4th lens and the distance of the 5th lens on optical axis are T45, the focal length of whole optical photography camera lens is f, the thing side surface radius-of-curvature of the 3rd lens is R5, the 3rd lens be R6 as the side surface radius-of-curvature, the focal length of the 3rd lens is f3, satisfies the following relationship formula:

0.00＜T23/f＜1.50；

0.10＜(T45/f)*10＜6.00；

1.25＜|R5/R6|；

0.50＜f/f3＜1.40。

Again on the other hand, the invention provides a kind of optical photography camera 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 negative refracting power of a tool, it is a concave surface as side surface; Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool; And the 5th lens of the positive refracting power of a tool; Wherein, the 3rd lens, the 4th lens and the 5th lens are all crescent lens.

The present invention can effectively enlarge the field angle of this optical photography camera lens by above-mentioned mirror configuration set mode, reduces the susceptibility of system, and effectively shortens the total length of camera lens.

In the optical photography camera lens of the present invention, this first lens tool is born refracting power, and it is a concave surface as side surface, can help to enlarge the field angle of this optical photography camera lens.The positive refracting power of this second lens tool, its thing side surface be concave surface and be convex surface as side surface, can help the aberration that these first lens for the negative refracting power of tool are produced and do revisal.The positive refracting power of the 3rd lens tool provides system main refracting power, can help shortening the total length of lens combination of the present invention.The 4th lens tool is born refracting power, can help revising the aberration (Chromatic Aberration) of this optical photography camera lens.The positive refracting power of the 5th lens tool helps to distribute the refracting power of the 3rd lens, can help reducing the susceptibility of system.

In the optical photography camera lens of the present invention, when the thing side surface of these first lens is a convex surface and when being concave surface as side surface, help to enlarge the field angle of this optical photography camera lens, and the refraction for incident ray comparatively relaxes, can avoid aberration excessively to increase, therefore help enlarging system's field angle and revising in the aberration and obtain good balance; When the thing side surface of the 3rd lens is a concave surface and when being convex surface as side surface,, can help revising the astigmatism (Astigmatism) of this optical photography camera lens when the thing side surface of the 4th lens is a convex surface and when being concave surface as side surface; And when the 3rd lens, the 4th lens and the 5th lens are all crescent lens, more can effectively reduce the susceptibility of system and can avoid the excessive increase of higher order aberratons, to promote the image quality of this optical photography camera lens.

In the optical photography camera lens of the present invention, this aperture can place between these second lens and the 3rd lens.In wide-angle optics, need do correction to distorting (Distortion) and multiplying power look receipts poor (ChromaticAberration of Magnification) especially, its method is for to place system light flexion equilibrium of forces place with aperture.Therefore optical photography camera lens of the present invention is if be arranged at aperture between these second lens and the 3rd lens, obtain well balancedly in the total length that its purpose is to shorten camera lens and the characteristic that possesses Wide-angle, and so configuration mode can help to reduce the susceptibility of system.

The optics pick-up lens that the embodiment of the invention provides has Wide-angle and high image quality, and can reduce the susceptibility of system and the total length of shortening camera lens.

Description of drawings

Fig. 1 is the optical system synoptic diagram of first embodiment of the invention;

Fig. 2 is the aberration curve figure of first embodiment of the invention;

Fig. 3 is the optical system synoptic diagram of second embodiment of the invention;

Fig. 4 is the aberration curve figure of second embodiment of the invention;

Fig. 5 is the optical system synoptic diagram of third embodiment of the invention;

Fig. 6 is the aberration curve figure of third embodiment of the invention;

Fig. 7 is the optical system synoptic diagram of fourth embodiment of the invention;

Fig. 8 is the aberration curve figure of fourth embodiment of the invention;

Fig. 9 is the optical system synoptic diagram of fifth embodiment of the invention;

Figure 10 is the aberration curve figure of fifth embodiment of the invention;

Figure 11 is the optical system synoptic diagram of sixth embodiment of the invention;

Figure 12 is the aberration curve figure of sixth embodiment of the invention;

Figure 13 is the optical system synoptic diagram of seventh embodiment of the invention;

Figure 14 is the aberration curve figure of seventh embodiment of the invention;

Figure 15 is a table one, is the optical data of first embodiment of the invention;

Figure 16 is a table two, is the aspherical surface data of first embodiment of the invention;

Figure 17 is a table three, is the optical data of second embodiment of the invention;

Figure 18 is a table four, is the aspherical surface data of second embodiment of the invention;

Figure 19 is a table five, is the optical data of third embodiment of the invention;

Figure 20 is a table six, is the aspherical surface data of third embodiment of the invention;

Figure 21 is a table seven, is the optical data of fourth embodiment of the invention;

Figure 22 is a table eight, is the aspherical surface data of fourth embodiment of the invention;

Figure 23 is a table nine, is the optical data of fifth embodiment of the invention;

Figure 24 is a table ten, is the aspherical surface data of fifth embodiment of the invention;

Figure 25 is a table ten one, is the optical data of sixth embodiment of the invention;

Figure 26 is a table ten two, is the aspherical surface data of sixth embodiment of the invention;

Figure 27 is a table ten three, is the optical data of seventh embodiment of the invention;

Figure 28 is a table ten four, is the aspherical surface data of seventh embodiment of the invention;

Figure 29 is a table ten five, is the numeric data of first embodiment of the invention to the seven embodiment correlationship formulas.

Drawing reference numeral:

Aperture 100,300,500,700,900,1100,1300

First lens 110,310,510,710,910,1110,1310

Thing side surface 111,311,511,711,911,1111,1311

Picture side surface 112,312,512,712,912,1112,1312

Second lens 120,320,520,720,920,1120,1320

Thing side surface 121,321,521,721,921,1121,1321

Picture side surface 122,322,522,722,922,1122,1322

The 3rd lens 130,330,530,730,930,1130,1330

Thing side surface 131,331,531,731,931,1131,1331

Picture side surface 132,332,532,732,932,1132,1332

The 4th lens 140,340,540,740,940,1140,1340

Thing side surface 141,341,541,741,941,1141,1341

Picture side surface 142,342,542,742,942,1142,1342

The 5th lens 150,350,550,750,950,1150,1350

Thing side surface 151,351,551,751,951,1151,1351

Picture side surface 152,352,552,752,952,1152,1352

Infrared ray filtering optical filter 160,360,560,760,960,1160,1360

Cover glass 170,370,570,770,970,1170,1370

Imaging surface 180,380,580,780,980,1180,1380

The focal length of whole optical photography camera lens is f

The focal length of first lens is f1

The focal length of the 3rd lens is f3

The focal length of the 4th lens is f4

The focal length of the 5th lens is f5

The synthetic focal length of first lens and second lens is f12

The abbe number of the 3rd lens is V3

The abbe number of the 4th lens is V4

The thing side surface radius-of-curvature of second lens is R3

Second lens be R4 as the side surface radius-of-curvature

The thing side surface radius-of-curvature of the 3rd lens is R5

The 3rd lens be R6 as the side surface radius-of-curvature

Second lens and the distance of the 3rd lens on optical axis are T23

The 4th lens and the distance of the 5th lens on optical axis are T45

Half of maximum visual angle is HFOV in the optical photography camera lens

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 optical photography camera lens, extremely comprise in regular turn as side by the thing side: first lens of the negative refracting power of a tool, it is a concave surface as side surface; Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex 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; And the 5th lens of the positive refracting power of a tool; Wherein, this optical photography camera lens is provided with an aperture in addition, and this aperture is arranged between these second lens and the 3rd lens; At least two pieces of lens in the 3rd lens, the 4th lens and the 5th lens, its thing side surface be aspheric surface as at least one surface in the side surface; The 4th lens and the distance of the 5th lens on optical axis are T45, and the focal length of whole optical photography camera lens is f, and the number of lenses of tool refracting power is N in this optical photography camera lens, satisfies the following relationship formula:

0.10＜(T45/f)*10＜6.00；

5≤N≤6。

When aforementioned optical photography camera lens satisfies the following relationship formula: 0.10＜(T45/f) * 10＜6.00 can help revising the higher order aberratons of this optical photography camera lens, with the image quality of elevator system; Further, be preferably and satisfy the following relationship formula: 0.70＜(T45/f) * 10＜3.00.When aforementioned optical photography camera lens satisfies following relationship formula: 5≤N≤6, can help in reducing camera lens total length and update the system aberration, obtaining balance preferably, and can effectively control production cost; Further, be preferably and satisfy following relationship formula: N=5.

In the aforementioned optics phtographic lens of the present invention, preferably, the thing side surface of these first lens is a convex surface, helps to enlarge the field angle of this optical photography camera lens, and comparatively relaxes for the refraction of incident ray, can avoid the excessive increase of aberration; Preferably, the thing side surface of the 4th lens is convex surface and is concave surface as side surface, to help the astigmatism of update the system.

In the aforementioned optics phtographic lens of the present invention, 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, and the image quality of energy elevator system; Preferably, the material of the 4th lens is a plastic cement, and the material of the 5th lens is a plastic cement, and the plastic cement material lens not only help the making of non-spherical lens, more can effectively reduce production costs.

In the aforementioned optics phtographic lens of the present invention, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens is f3, preferably, is to satisfy following relationship formula: 0.50＜f/f3＜1.40.When f/f3 satisfies the above-mentioned relation formula, the refracting power size configure of the 3rd lens is balance comparatively, the effective optics total length of control system, and can avoid the excessive increase of high-order spherical aberration (High Order Spherical Aberration) simultaneously, with the elevator system image quality; Further, be preferably and satisfy following relationship formula: 0.65＜f/f3＜1.00.

In the aforementioned optics phtographic lens of the present invention, the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, preferably, is to satisfy following relationship formula :-1.0＜f4/f5＜-0.4.When f4/f5 satisfies the above-mentioned relation formula, can make the refracting power of back group's lens combination dispose comparatively balance, help the reduction of system sensitivity and the revisal of higher order aberratons.

In the aforementioned optics phtographic lens of the present invention, other is provided with a sense electronics optical element for the object imaging, 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: 0.30＜SL/TTL＜0.55.When SL/TTL satisfies the above-mentioned relation formula, can be beneficial to and guarantee that lens combination of the present invention averages out on heart characteristic far away and wide-angle characteristic.Moreover in the aforementioned optics phtographic lens of the present invention, 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＜6.0.When TTL/ImgH satisfies the above-mentioned relation formula, help keeping the miniaturization of this optical photography camera lens.

In the aforementioned optics phtographic lens of the present invention, the thing side surface radius-of-curvature of the 3rd lens is R5, the 3rd lens be R6 as the side surface radius-of-curvature, preferably, be to satisfy the following relationship formula: 1.25＜| R5/R6|.When | when R5/R6| satisfies the above-mentioned relation formula, can help revising the spherical aberration of this optical photography camera lens.

In the aforementioned optics phtographic lens of the present invention, the focal length of whole optical photography camera lens is f, and the focal length of these first lens is f1, preferably, is to satisfy following relationship formula :-0.40＜f/f1＜-0.25.When f/f1 satisfies the above-mentioned relation formula, can help in the optics total length of field angle that enlarges this optical photography camera lens and shortening system, averaging out.

In the aforementioned optics phtographic lens of the present invention, the focal length of whole optical photography camera lens is f, and the synthetic focal length of these first lens and these second lens is f12, preferably, is to satisfy following relationship formula: 0.08＜f/f12＜0.30.When f/f12 satisfies the above-mentioned relation formula, can help to reduce the susceptibility of system, promote image quality.

In the aforementioned optics phtographic lens of the present invention, the thing side surface radius-of-curvature of these second lens is R3, these second lens be R4 as the side surface radius-of-curvature, preferably, be to satisfy following relationship formula: 1.2＜R3/R4＜4.5.When R3/R4 satisfies the above-mentioned relation formula, can help the aberration that these first lens produce is done revisal, with the image quality of elevator system.

In the aforementioned optics phtographic lens of the present invention, the abbe number of the 3rd lens (Abbe Number) is V3, and the abbe number of the 4th lens is V4, preferably, is to satisfy following relationship formula: 23.0＜V3-V4＜38.0.When V3-V4 satisfies the above-mentioned relation formula, help to promote the ability of this optical photography camera lens correction aberration.

On the other hand, the invention provides a kind of optical photography camera lens, comprise the lens of five pieces of tool refracting powers, by the thing side to being in regular turn as side: first lens of the negative refracting power of a tool, its thing side surface are convex surface and are concave surface as side surface; Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool, its thing side surface and be all aspheric surface as side surface; And the 5th lens of the positive refracting power of a tool, its thing side surface and be all aspheric surface as side surface; Wherein, these second lens and the distance of the 3rd lens on optical axis are T23, the 4th lens and the distance of the 5th lens on optical axis are T45, the focal length of whole optical photography camera lens is f, the thing side surface radius-of-curvature of the 3rd lens is R5, the 3rd lens be R6 as the side surface radius-of-curvature, the focal length of the 3rd lens is f3, satisfies the following relationship formula:

0.00＜T23/f＜1.50；

0.10＜(T45/f)*10＜6.00；

1.25＜|R5/R6|；

0.50＜f/f3＜1.40。

When aforementioned optical photography camera lens satisfies following relationship formula: 0.00＜T23/f＜1.50, can make the configuration of mirror group in the system comparatively tight, help reducing the total length of camera lens.When aforementioned optical photography camera lens satisfies the following relationship formula: 0.10＜(T45/f) * 10＜6.00 can help revising the higher order aberratons of this optical photography camera lens, with the image quality of elevator system; Further, be preferably and satisfy the following relationship formula: 0.70＜(T45/f) * 10＜3.00.When aforementioned optical photography camera lens satisfies the following relationship formula: 1.25＜| R5/R6| can help revising the spherical aberration of this optical photography camera lens.When aforementioned optical photography camera lens satisfies following relationship formula: 0.50＜f/f3＜1.40, the refracting power size configure of the 3rd lens is balance comparatively, the effective optics total length of control system, and can avoid the excessive increase of high-order spherical aberration simultaneously, with the elevator system image quality; Further, be preferably and satisfy following relationship formula: 0.65＜f/f3＜1.00.

In the aforementioned optics phtographic lens of the present invention, preferably, the thing side surface of the 5th lens and be provided with at least one point of inflexion as at least one surface in the side surface, be incident in angle on the photo-sensitive cell more effectively to suppress light from the axle visual field, and the further aberration of modified off-axis visual field; And preferably, the material of the 5th lens is a plastic cement, and the plastic cement material lens not only help the making of non-spherical lens, more can effectively reduce production costs.

In the aforementioned optics phtographic lens of the present invention, the abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, preferably, is to satisfy following relationship formula: 23.0＜V3-V4＜38.0.When V3-V4 satisfies the above-mentioned relation formula, help to promote the ability of this optical photography camera lens correction aberration.

In the aforementioned optics phtographic lens of the present invention, preferably, an aperture is arranged between these second lens and the 3rd lens, well balanced to obtain in total length that is to shorten camera lens and the characteristic that possesses Wide-angle, and help to reduce the susceptibility of system.

In the aforementioned optics phtographic lens of the present invention, the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, preferably, is to satisfy following relationship formula :-1.0＜f4/f5＜-0.4.When f4/f5 satisfies the above-mentioned relation formula, can make the refracting power of back group's lens combination dispose comparatively balance, help the reduction of system sensitivity and the revisal of higher order aberratons.

In the aforementioned optics phtographic lens of the present invention, the thing side surface radius-of-curvature of these second lens is R3, these second lens be R4 as the side surface radius-of-curvature, preferably, be to satisfy following relationship formula: 1.2＜R3/R4＜4.5.When R3/R4 satisfies the above-mentioned relation formula, can help the aberration that these first lens produce is done revisal, with the image quality of elevator system.

Again on the other hand, the invention provides a kind of optical photography camera 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 negative refracting power of a tool, it is a concave surface as side surface; Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool; And the 5th lens of the positive refracting power of a tool; Wherein, the 3rd lens, the 4th lens and the 5th lens are all crescent lens, these meniscus lens mean in this lens thing side surface and the picture side surface, at paraxial place, one surface is that convex surface then is concave surface in another surface, and promptly these lens then are concave surface if the thing side surface is a convex surface at paraxial place at paraxial place as side surface, if this lens thing side surface is a concave surface at paraxial place, then convex surface at paraxial place as side surface.

In the aforementioned optics phtographic lens of the present invention, preferably, at least two pieces of lens in the 3rd lens, the 4th lens and the 5th lens, its thing side surface be aspheric surface as at least one surface in the side surface, aspheric surface can be made into the shape beyond the sphere easily, obtains more controlled variable, in order to subdue aberration, and then reduce the number that lens use, therefore can effectively reduce the total length of camera lens, and the image quality of energy elevator system.

In the aforementioned optics phtographic lens of the present invention, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens is f3, preferably, is to satisfy following relationship formula: 0.65＜f/f3＜1.00.When f/f3 satisfied the above-mentioned relation formula, the refracting power size configure of the 3rd lens is balance comparatively, the effective optics total length of control system, and can avoid the excessive increase of high-order spherical aberration simultaneously, with the elevator system image quality.

In the aforementioned optics phtographic lens of the present invention, the thing side surface radius-of-curvature of the 3rd lens is R5, the 3rd lens be R6 as the side surface radius-of-curvature, preferably, be to satisfy the following relationship formula: 1.25＜| R5/R6|.When | when R5/R6| satisfies the above-mentioned relation formula, can help revising the spherical aberration of this optical photography camera lens.

In the aforementioned optics phtographic lens of the present invention, the abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, preferably, is to satisfy following relationship formula: 23.0＜V3-V4＜38.0; When V3-V4 satisfies the above-mentioned relation formula, help to promote the ability of this optical photography camera lens correction aberration.

In the aforementioned optics phtographic lens of the present invention, preferably, an aperture is arranged between these second lens and the 3rd lens, well balanced in the total length that shortens camera lens and the characteristic that possesses Wide-angle, to obtain.

In the optical photography camera lens 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, 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, and can effectively reduce the optics total length of optical photography camera lens of the present invention.

In the optical photography camera lens 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.

Optical photography camera lens of the present invention will be described in detail by following specific embodiment conjunction with figs..

First embodiment:

First embodiment of the invention sees also Fig. 1, and the aberration curve of first embodiment sees also Fig. 2.The optical photography camera lens of first embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 110 of the negative refracting power of one tool, its thing side surface 111 are that convex surface and picture side surface 112 are concave surface, and its material is a glass;

Second lens 120 of the positive refracting power of one tool, its thing side surface 121 are that concave surface and picture side surface 122 are convex surface, and its material is a plastic cement, the thing side surface 121 of these second lens 120 and be all aspheric surface as side surface 122;

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 positive refracting power of one tool, its thing side surface 151 are that concave surface and picture side surface 152 are convex surface, and its material is a plastic cement, the thing side surface 151 of the 5th lens 150 and be all aspheric surface as side surface 152;

Wherein, this optical photography camera lens is provided with an aperture 100 in addition and places between these second lens 120 and the 3rd lens 130;

Other includes an infrared ray filtering optical filter (IR-filter) 160 and a cover glass (Cover-glass) 170 places between the picture side surface 152 and an imaging surface 180 of the 5th lens 150 in regular turn; The material of this infrared ray filtering optical filter 160 and this cover glass 170 is that glass and its do not influence the focal length of this optical photography camera lens of the present invention.

The equation of above-mentioned aspheric curve is expressed as follows:

$X\left(Y\right)=({\mathrm{<figure-callout\; id="2"\; label="Y"\; filenames="HSA00000083263400151.png,HSA00000083263400171.png"\; state="\{\{state\}\}">Y</figure-callout>}}^2/R)/(1+\mathrm{sqrt}(1-(1+k)*{(Y/R)}^2))+\underset{i}{\mathrm{\&Sigma;}}\left(\mathrm{Ai}\right)*\left(Y^i\right),$

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 optical photography camera lens, the focal length of whole optical photography camera lens is f, and its relational expression is: f=1.65 (millimeter).

In the first embodiment optical photography camera lens, the f-number of whole optical photography camera lens (f-number) is Fno, and its relational expression is: Fno=2.03.

In the first embodiment optical photography camera lens, half of maximum visual angle is HFOV in the whole optical photography camera lens, and its relational expression is: HFOV=80.0 (degree).

In the first embodiment optical photography camera lens, the abbe number of the 3rd lens 130 is V3, and the abbe number of the 4th lens 140 is V4, and its relational expression is: V3-V4=31.1.

In the first embodiment optical photography camera lens, these second lens 120 are T23 with the distance of the 3rd lens 130 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: T23/f=0.52.

In the first embodiment optical photography camera lens, the 4th lens 140 are T45 with the distance of the 5th lens 150 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: (T45/f) * 10=2.31.

In the first embodiment optical photography camera lens, the thing side surface radius-of-curvature of these second lens 120 is R3 and is R4 as the side surface radius-of-curvature that its relational expression is: R3/R4=1.66.

In the first embodiment optical photography camera lens, the thing side surface radius-of-curvature of the 3rd lens 130 is R5 and is R6 as the side surface radius-of-curvature that its relational expression is: | R5/R6|=7.47.

In the first embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of these first lens 110 is f1, and its relational expression is: f/f1=-0.34.

In the first embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens 130 is f3, and its relational expression is: f/f3=0.77.

In the first embodiment optical photography camera lens, the focal length of the 4th lens 140 is f4, and the focal length of the 5th lens 150 is f5, and its relational expression is: f4/f5=-0.63.

In the first embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and these first lens 110 are f12 with the synthetic focal length of these second lens 120, and its relational expression is: f/f12=0.01.

In the first embodiment optical photography camera lens, the number of lenses of tool refracting power is N in this optical photography camera lens, and its relational expression is: N=5.

In the first embodiment optical photography camera lens, this optical photography camera lens is provided with a sense electronics optical element for the object imaging thereon in addition, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.48.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=4.36.

The detailed optical data of first embodiment is shown in Figure 15 table one, and its aspherical surface data is shown in Figure 16 table two, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

Second embodiment:

Second embodiment of the invention sees also Fig. 3, and the aberration curve of second embodiment sees also Fig. 4.Second embodiment the optical photography camera lens mainly constitute by five pieces of lens, by the thing side to comprising in regular turn as side:

First lens 310 of the negative refracting power of one tool, its thing side surface 311 be that convex surface and picture side surface 312 are concave surface, and its material is a plastic cement, the thing side surface 311 of these first lens 310 and be all aspheric surface as side surface 312;

Second lens 320 of the positive refracting power of one tool, its thing side surface 321 are that concave surface and picture side surface 322 are convex surface, and its material is a plastic cement, the thing side surface 321 of these second lens 320 and be all aspheric surface as side surface 322;

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 and be all concave surface as side surface 342, 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 positive refracting power of one tool, its thing side surface 351 and be all convex surface as side surface 352, 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;

Wherein, this optical photography camera lens is provided with an aperture 300 in addition and places between these second lens 320 and the 3rd lens 330;

Other includes an infrared ray filtering optical filter 360 and a cover glass 370 places between the picture side surface 352 and an imaging surface 380 of the 5th lens 350 in regular turn; The material of this infrared ray filtering optical filter 360 and this cover glass 370 is that glass and its do not influence the focal length of this optical photography camera lens of the present invention.

The equational expression of the second embodiment aspheric curve is as the form of first embodiment.

In the second embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and its relational expression is: f=1.56 (millimeter).

In the second embodiment optical photography camera lens, the f-number of whole optical photography camera lens is Fno, and its relational expression is: Fno=2.80.

In the second embodiment optical photography camera lens, half of maximum visual angle is HFOV in the whole optical photography camera lens, and its relational expression is: HFOV=74.7 (degree).

In the second embodiment optical photography camera lens, the abbe number of the 3rd lens 330 is V3, and the abbe number of the 4th lens 340 is V4, and its relational expression is: V3-V4=32.4.

In the second embodiment optical photography camera lens, these second lens 320 are T23 with the distance of the 3rd lens 330 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: T23/f=0.61.

In the second embodiment optical photography camera lens, the 4th lens 340 are T45 with the distance of the 5th lens 350 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: (T45/f) * 10=1.20.

In the second embodiment optical photography camera lens, the thing side surface radius-of-curvature of these second lens 320 is R3 and is R4 as the side surface radius-of-curvature that its relational expression is: R3/R4=1.71.

In the second embodiment optical photography camera lens, the thing side surface radius-of-curvature of the 3rd lens 330 is R5 and is R6 as the side surface radius-of-curvature that its relational expression is: | R5/R6|=10.31.

In the second embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of these first lens 310 is f1, and its relational expression is: f/f1=-0.30.

In the second embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens 330 is f3, and its relational expression is: f/f3=0.92.

In the second embodiment optical photography camera lens, the focal length of the 4th lens 340 is f4, and the focal length of the 5th lens 350 is f5, and its relational expression is: f4/f5=-0.47.

In the second embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and these first lens 310 are f12 with the synthetic focal length of these second lens 320, and its relational expression is: f/f12=0.13.

In the second embodiment optical photography camera lens, the number of lenses of tool refracting power is N in this optical photography camera lens, and its relational expression is: N=5.

In the second embodiment optical photography camera lens, this optical photography camera lens is provided with a sense electronics optical element for the object imaging thereon in addition, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.43.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=4.79.

The detailed optical data of second embodiment is shown in Figure 17 table three, and its aspherical surface data is shown in Figure 18 table four, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 3rd embodiment:

Third embodiment of the invention sees also Fig. 5, and the aberration curve of the 3rd embodiment sees also Fig. 6.The optical photography camera lens of the 3rd embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 510 of the negative refracting power of one tool, its thing side surface 511 are that convex surface and picture side surface 512 are concave surface, and its material is a glass;

Second lens 520 of the positive refracting power of one tool, its thing side surface 521 are that concave surface and picture side surface 522 are convex surface, and its material is a plastic cement, the thing side surface 521 of these second lens 520 and be all aspheric surface as side surface 522;

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 positive refracting power of one tool, its thing side surface 551 and be all convex surface as side surface 552, 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;

Wherein, this optical photography camera lens is provided with an aperture 500 in addition and places between these second lens 520 and the 3rd lens 530;

Other includes an infrared ray filtering optical filter 560 and a cover glass 570 places between the picture side surface 552 and an imaging surface 580 of the 5th lens 550 in regular turn; The material of this infrared ray filtering optical filter 560 and cover glass 570 is that glass and its do not influence the focal length of this optical photography camera lens of the present invention.

The equational expression of the 3rd embodiment aspheric curve is as the form of first embodiment.

In the 3rd embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and its relational expression is: f=1.54 (millimeter).

In the 3rd embodiment optical photography camera lens, the f-number of whole optical photography camera lens is Fno, and its relational expression is: Fno=2.40.

In the 3rd embodiment optical photography camera lens, half of maximum visual angle is HFOV in the whole optical photography camera lens, and its relational expression is: HFOV=69.9 (degree).

In the 3rd embodiment optical photography camera lens, the abbe number of the 3rd lens 530 is V3, and the abbe number of the 4th lens 540 is V4, and its relational expression is: V3-V4=30.1.

In the 3rd embodiment optical photography camera lens, these second lens 520 are T23 with the distance of the 3rd lens 530 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: T23/f=0.57.

In the 3rd embodiment optical photography camera lens, the 4th lens 540 are T45 with the distance of the 5th lens 550 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: (T45/f) * 10=2.23.

In the 3rd embodiment optical photography camera lens, the thing side surface radius-of-curvature of these second lens 520 is R3 and is R4 as the side surface radius-of-curvature that its relational expression is: R3/R4=2.39.

In the 3rd embodiment optical photography camera lens, the thing side surface radius-of-curvature of the 3rd lens 530 is R5 and is R6 as the side surface radius-of-curvature that its relational expression is: | R5/R6|=4.14.

In the 3rd embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of these first lens 510 is f1, and its relational expression is: f/f1=-0.34.

In the 3rd embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens 530 is f3, and its relational expression is: f/f3=0.62.

In the 3rd embodiment optical photography camera lens, the focal length of the 4th lens 540 is f4, and the focal length of the 5th lens 550 is f5, and its relational expression is: f4/f5=-0.81.

In the 3rd embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and these first lens 510 are f12 with the synthetic focal length of these second lens 520, and its relational expression is: f/f12=0.14.

In the 3rd embodiment optical photography camera lens, the number of lenses of tool refracting power is N in this optical photography camera lens, and its relational expression is: N=5.

In the 3rd embodiment optical photography camera lens, this optical photography camera lens is provided with a sense electronics optical element for the object imaging thereon in addition, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.43.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=5.30.

The detailed optical data of the 3rd embodiment is shown in Figure 19 table five, and its aspherical surface data is shown in Figure 20 table six, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 4th embodiment:

Fourth embodiment of the invention sees also Fig. 7, and the aberration curve of the 4th embodiment sees also Fig. 8.The optical photography camera lens of the 4th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 710 of the negative refracting power of one tool, its thing side surface 711 are that convex surface and picture side surface 712 are concave surface, and its material is a glass;

Second lens 720 of the positive refracting power of one tool, its thing side surface 721 are that concave surface and picture side surface 722 are convex surface, and its material is a plastic cement, the thing side surface 721 of these second lens 720 and be all aspheric surface as side surface 722;

The 3rd lens 730 of the positive refracting power of one tool, its thing side surface 731 and be all convex surface as side surface 732, its material is a plastic cement, the thing side surface 731 of the 3rd lens 730 and be all aspheric surface as side surface 732;

The 4th lens 740 of the negative refracting power of one tool, its thing side surface 741 and be all concave surface as side surface 742, its material is a plastic cement, the thing side surface 741 of the 4th lens 740 and be all aspheric surface as side surface 742; And

The 5th lens 750 of the positive refracting power of one tool, its thing side surface 751 are that convex surface and picture side surface 752 are concave surface, and its material is a plastic cement, the thing side surface 751 of the 5th lens 750 and be all aspheric surface as side surface 752;

Wherein, this optical photography camera lens is provided with an aperture 700 in addition and places between these second lens 720 and the 3rd lens 730;

Other includes an infrared ray filtering optical filter 760 and a cover glass 770 places between the picture side surface 752 and an imaging surface 780 of the 5th lens 750 in regular turn; The material of this infrared ray filtering optical filter 760 and this cover glass 770 is that glass and its do not influence the focal length of this optical photography camera lens of the present invention.

The equational expression of the 4th embodiment aspheric curve is as the form of first embodiment.

In the 4th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and its relational expression is: f=1.34 (millimeter).

In the 4th embodiment optical photography camera lens, the f-number of whole optical photography camera lens is Fno, and its relational expression is: Fno=2.40.

In the 4th embodiment optical photography camera lens, half of maximum visual angle is HFOV in the whole optical photography camera lens, and its relational expression is: HFOV=97.5 (degree).

In the 4th embodiment optical photography camera lens, the abbe number of the 3rd lens 730 is V3, and the abbe number of the 4th lens 740 is V4, and its relational expression is: V3-V4=31.1.

In the 4th embodiment optical photography camera lens, these second lens 720 are T23 with the distance of the 3rd lens 730 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: T23/f=1.31.

In the 4th embodiment optical photography camera lens, the 4th lens 740 are T45 with the distance of the 5th lens 750 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: (T45/f) * 10=1.04.

In the 4th embodiment optical photography camera lens, the thing side surface radius-of-curvature of these second lens 720 is R3 and is R4 as the side surface radius-of-curvature that its relational expression is: R3/R4=1.27.

In the 4th embodiment optical photography camera lens, the thing side surface radius-of-curvature of the 3rd lens 730 is R5 and is R6 as the side surface radius-of-curvature that its relational expression is: | R5/R6|=2.47.

In the 4th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of these first lens 710 is f1, and its relational expression is: f/f1=-0.33.

In the 4th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens 730 is f3, and its relational expression is: f/f3=0.79.

In the 4th embodiment optical photography camera lens, the focal length of the 4th lens 740 is f4, and the focal length of the 5th lens 750 is f5, and its relational expression is: f4/f5=-0.50.

In the 4th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and these first lens 710 are f12 with the synthetic focal length of these second lens 720, and its relational expression is: f/f12=0.03.

In the 4th embodiment optical photography camera lens, the number of lenses of tool refracting power is N in this optical photography camera lens, and its relational expression is: N=5.

In the 4th embodiment optical photography camera lens, this optical photography camera lens is provided with a sense electronics optical element for the object imaging thereon in addition, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.37.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=5.87.

The detailed optical data of the 4th embodiment is shown in Figure 21 table seven, and its aspherical surface data is shown in Figure 22 table eight, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 5th embodiment:

Fifth embodiment of the invention sees also Fig. 9, and the aberration curve of the 5th embodiment sees also Figure 10.The optical photography camera lens of the 5th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 910 of the negative refracting power of one tool, its thing side surface 911 are that convex surface and picture side surface 912 are concave surface, and its material is a glass;

Second lens 920 of the positive refracting power of one tool, its thing side surface 921 are that concave surface and picture side surface 922 are convex surface, and its material is a plastic cement, the thing side surface 921 of these second lens 920 and be all aspheric surface as side surface 922;

The 3rd lens 930 of the positive refracting power of one tool, its thing side surface 931 and be all convex surface as side surface 932, its material is a plastic cement, the thing side surface 931 of the 3rd lens 930 and be all aspheric surface as side surface 932;

The 4th lens 940 of the negative refracting power of one tool, its thing side surface 941 and be all concave surface as side surface 942, its material is a plastic cement, the thing side surface 941 of the 4th lens 940 and be all aspheric surface as side surface 942;

The 5th lens 950 of the positive refracting power of one tool, its thing side surface 951 and be all convex surface as side surface 952, its material is a plastic cement, the thing side surface 951 of the 5th lens 950 and be all aspheric surface as side surface 952;

Wherein, this optical photography camera lens is provided with an aperture 900 in addition and places between these second lens 920 and the 3rd lens 930;

Other includes an infrared ray filtering optical filter 960 and a cover glass 970 places between the picture side surface 952 and an imaging surface 980 of the 5th lens 950 in regular turn; The material of this infrared ray filtering optical filter 960 and this cover glass 970 is that glass and its do not influence the focal length of this optical photography camera lens of the present invention.

The equational expression of the 5th embodiment aspheric curve is as the form of first embodiment.

In the 5th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and its relational expression is: f=1.20 (millimeter).

In the 5th embodiment optical photography camera lens, the f-number of whole optical photography camera lens is Fno, and its relational expression is: Fno=2.01.

In the 5th embodiment optical photography camera lens, half of maximum visual angle is HFOV in the whole optical photography camera lens, and its relational expression is: HFOV=97.5 (degree).

In the 5th embodiment optical photography camera lens, the abbe number of the 3rd lens 930 is V3, and the abbe number of the 4th lens 940 is V4, and its relational expression is: V3-V4=31.1.

In the 5th embodiment optical photography camera lens, these second lens 920 are T23 with the distance of the 3rd lens 930 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: T23/f=1.28.

In the 5th embodiment optical photography camera lens, the 4th lens 940 are T45 with the distance of the 5th lens 950 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: (T45/f) * 10=1.18.

In the 5th embodiment optical photography camera lens, the thing side surface radius-of-curvature of these second lens 920 is R3 and is R4 as the side surface radius-of-curvature that its relational expression is: R3/R4=1.31.

In the 5th embodiment optical photography camera lens, the thing side surface radius-of-curvature of the 3rd lens 930 is R5 and is R6 as the side surface radius-of-curvature that its relational expression is: | R5/R6|=3.64.

In the 5th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of these first lens 910 is f1, and its relational expression is: f/f1=-0.30.

In the 5th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens 930 is f3, and its relational expression is: f/f3=0.71.

In the 5th embodiment optical photography camera lens, the focal length of the 4th lens 940 is f4, and the focal length of the 5th lens 950 is f5, and its relational expression is: f4/f5=-0.58.

In the 5th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and these first lens 910 are f12 with the synthetic focal length of these second lens 920, and its relational expression is: f/f12=0.05.

In the 5th embodiment optical photography camera lens, the number of lenses of tool refracting power is N in this optical photography camera lens, and its relational expression is: N=5.

In the 5th embodiment optical photography camera lens, this optical photography camera lens is provided with a sense electronics optical element for the object imaging thereon in addition, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.37.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=5.74.

The detailed optical data of the 5th embodiment is shown in Figure 23 table nine, and its aspherical surface data is shown in Figure 24 table ten, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 6th embodiment:

Sixth embodiment of the invention sees also Figure 11, and the aberration curve of the 6th embodiment sees also Figure 12.The optical photography camera lens of the 6th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 1110 of the negative refracting power of one tool, its thing side surface 1111 are that convex surface and picture side surface 1112 are concave surface, and its material is a glass;

Second lens 1120 of the positive refracting power of one tool, its thing side surface 1121 are that concave surface and picture side surface 1122 are convex surface, and its material is a plastic cement, the thing side surface 1121 of these second lens 1120 and be all aspheric surface as side surface 1122;

The 3rd lens 1130 of the positive refracting power of one tool, its thing side surface 1131 and be all convex surface as side surface 1132, its material is a plastic cement, the thing side surface 1131 of the 3rd lens 1130 and be all aspheric surface as side surface 1132;

The 4th lens 1140 of the negative refracting power of one tool, its thing side surface 1141 and be all concave surface as side surface 1142, its material is a plastic cement, the thing side surface 1141 of the 4th lens 1140 and be all aspheric surface as side surface 1142; And

The 5th lens 1150 of the positive refracting power of one tool, its thing side surface 1151 and be all convex surface as side surface 1152, its material is a plastic cement, the thing side surface 1151 of the 5th lens 1150 and be all aspheric surface as side surface 1152;

Wherein, this optical photography camera lens is provided with an aperture 1100 in addition and places between these second lens 1120 and the 3rd lens 1130;

Other includes an infrared ray filtering optical filter 1160 and a cover glass 1170 places between the picture side surface 1152 and an imaging surface 1180 of the 5th lens 1150 in regular turn; The material of this infrared ray filtering optical filter 1160 and this cover glass 1170 is that glass and its do not influence the focal length of this optical photography camera lens of the present invention.

The equational expression of the 6th embodiment aspheric curve is as the form of first embodiment.

In the 6th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and its relational expression is: f=1.38 (millimeter).

In the 6th embodiment optical photography camera lens, the f-number of whole optical photography camera lens is Fno, and its relational expression is: Fno=2.84.

In the 6th embodiment optical photography camera lens, half of maximum visual angle is HFOV in the whole optical photography camera lens, and its relational expression is: HFOV=92.5 (degree).

In the 6th embodiment optical photography camera lens, the abbe number of the 3rd lens 1130 is V3, and the abbe number of the 4th lens 1140 is V4, and its relational expression is: V3-V4=32.4.

In the 6th embodiment optical photography camera lens, these second lens 1120 are T23 with the distance of the 3rd lens 1130 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: T23/f=0.17.

In the 6th embodiment optical photography camera lens, the 4th lens 1140 are T45 with the distance of the 5th lens 1150 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: (T45/f) * 10=0.40.

In the 6th embodiment optical photography camera lens, the thing side surface radius-of-curvature of these second lens 1120 is R3 and is R4 as the side surface radius-of-curvature that its relational expression is: R3/R4=0.88.

In the 6th embodiment optical photography camera lens, the thing side surface radius-of-curvature of the 3rd lens 1130 is R5 and is R6 as the side surface radius-of-curvature that its relational expression is: | R5/R6|=1.33.

In the 6th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of these first lens 1110 is f1, and its relational expression is: f/f1=-0.40.

In the 6th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens 1130 is f3, and its relational expression is: f/f3=0.70.

In the 6th embodiment optical photography camera lens, the focal length of the 4th lens 1140 is f4, and the focal length of the 5th lens 1150 is f5, and its relational expression is: f4/f5=-0.53.

In the 6th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and these first lens 1110 are f12 with the synthetic focal length of these second lens 1120, and its relational expression is: f/f12=-0.24.

In the 6th embodiment optical photography camera lens, the number of lenses of tool refracting power is N in this optical photography camera lens, and its relational expression is: N=5.

In the 6th embodiment optical photography camera lens, this optical photography camera lens is provided with a sense electronics optical element for the object imaging thereon in addition, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.48.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=5.98.

The detailed optical data of the 6th embodiment is shown in Figure 25 table ten one, and its aspherical surface data is shown in Figure 26 table ten two, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 7th embodiment:

Seventh embodiment of the invention sees also Figure 13, and the aberration curve of the 7th embodiment sees also Figure 14.The optical photography camera lens of the 7th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 1310 of the negative refracting power of one tool, its thing side surface 1311 are that convex surface and picture side surface 1312 are concave surface, and its material is a glass;

Second lens 1320 of the positive refracting power of one tool, its thing side surface 1321 are that concave surface and picture side surface 1322 are convex surface, and its material is a plastic cement, the thing side surface 1321 of these second lens 1320 and be all aspheric surface as side surface 1322;

The 3rd lens 1330 of the positive refracting power of one tool, its thing side surface 1331 and be all convex surface as side surface 1332, its material is a plastic cement, the thing side surface 1331 of the 3rd lens 1330 and be all aspheric surface as side surface 1332;

The 4th lens 1340 of the negative refracting power of one tool, its thing side surface 1341 and be all concave surface as side surface 1342, its material is a plastic cement, the thing side surface 1341 of the 4th lens 1340 and be all aspheric surface as side surface 1342; And

The 5th lens 1350 of the positive refracting power of one tool, its thing side surface 1351 and be all convex surface as side surface 1352, its material is a plastic cement, the thing side surface 1351 of the 5th lens 1350 and be all aspheric surface as side surface 1352;

Wherein, this optical photography camera lens is provided with an aperture 1300 in addition and places between these second lens 1320 and the 3rd lens 1330;

Other includes infrared ray filtering optical filtering 1360 and one cover glass 1370 and places looking like between a side surface 1352 and the imaging surface 1380 of the 5th lens 1350 in regular turn; The material of this infrared ray filtering optical filter 1360 and this cover glass 1370 is that glass and its do not influence the focal length of this optical photography camera lens of the present invention.

The equational expression of the 7th embodiment aspheric curve is as the form of first embodiment.

In the 7th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and its relational expression is: f=1.82 (millimeter).

In the 7th embodiment optical photography camera lens, the f-number of whole optical photography camera lens is Fno, and its relational expression is: Fno=2.82.

In the 7th embodiment optical photography camera lens, half of maximum visual angle is HFOV in the whole optical photography camera lens, and its relational expression is: HFOV=85.9 (degree).

In the 7th embodiment optical photography camera lens, the abbe number of the 3rd lens 1330 is V3, and the abbe number of the 4th lens 1340 is V4, and its relational expression is: V3-V4=32.4.

In the 7th embodiment optical photography camera lens, these second lens 1320 are T23 with the distance of the 3rd lens 1330 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: T23/f=0.10.

In the 7th embodiment optical photography camera lens, the 4th lens 1340 are T45 with the distance of the 5th lens 1350 on optical axis, and the focal length of whole optical photography camera lens is f, and its relational expression is: (T45/f) * 10=0.55.

In the 7th embodiment optical photography camera lens, the thing side surface radius-of-curvature of these second lens 1320 is R3 and is R4 as the side surface radius-of-curvature that its relational expression is: R3/R4=1.17.

In the 7th embodiment optical photography camera lens, the thing side surface radius-of-curvature of the 3rd lens 1330 is R5 and is R6 as the side surface radius-of-curvature that its relational expression is: | R5/R6|=1.68.

In the 7th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of these first lens 1310 is f1, and its relational expression is: f/f1=-0.48.

In the 7th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and the focal length of the 3rd lens 1330 is f3, and its relational expression is: f/f3=0.73.

In the 7th embodiment optical photography camera lens, the focal length of the 4th lens 1340 is f4, and the focal length of the 5th lens 1350 is f5, and its relational expression is: f4/f5=-0.54.

In the 7th embodiment optical photography camera lens, the focal length of whole optical photography camera lens is f, and these first lens 1310 are f12 with the synthetic focal length of these second lens 1320, and its relational expression is: f/f12=-0.16.

In the 7th embodiment optical photography camera lens, the number of lenses of tool refracting power is N in this optical photography camera lens, and its relational expression is: N=5.

In the 7th embodiment optical photography camera lens, this optical photography camera lens is provided with a sense electronics optical element for the object imaging thereon in addition, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.52.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=5.23.

The detailed optical data of the 7th embodiment is shown in Figure 27 table ten three, and its aspherical surface data is shown in Figure 28 table ten four, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

Table one is depicted as the different numerical value change tables of optical photography camera lens embodiment of the present invention to table ten four (corresponding Figure 15 to Figure 28 respectively); 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 five (corresponding Figure 29) 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 (25)

1. an optical photography camera lens is characterized in that, described optical photography camera lens is extremely comprised as side in regular turn by the thing side:

First lens of the negative refracting power of one tool, it is a concave surface as side surface;

Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex 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; And

The 5th lens of the positive refracting power of one tool;

Wherein, described optical photography camera lens is provided with an aperture in addition, and described aperture is arranged between described second lens and described the 3rd lens; At least two pieces of lens in described the 3rd lens, described the 4th lens and described the 5th lens, its thing side surface be aspheric surface as at least one surface in the side surface; Described the 4th lens and the distance of described the 5th lens on optical axis are T45, and the focal length of whole optical photography camera lens is f, and the number of lenses of tool refracting power is N in the described optical photography camera lens, satisfies the following relationship formula:

0.10＜(T45/f)*10＜6.00；

5≤N≤6。

2. optical photography camera lens as claimed in claim 1 is characterized in that, the thing side surface of described first lens is a convex surface, the thing side surface of described the 5th lens and be all aspheric surface as side surface, and the material of described the 5th lens is a plastic cement.

3. optical photography camera lens as claimed in claim 2 is characterized in that, the number of lenses of tool refracting power is N in the described optical photography camera lens, N=5.

4. optical photography camera lens as claimed in claim 3 is characterized in that, the thing side surface of described the 4th lens is convex surface and is concave surface as side surface, and the material of described the 4th lens is a plastic cement.

5. optical photography camera lens as claimed in claim 3 is characterized in that, the focal length of whole optical photography camera lens is f, and the focal length of described the 3rd lens is f3, satisfies the following relationship formula:

0.50＜f/f3＜1.40。

6. optical photography camera lens as claimed in claim 3 is characterized in that, the focal length of whole optical photography camera lens is f, and the focal length of described the 3rd lens is f3, satisfies the following relationship formula:

0.65＜f/f3＜1.00。

7. optical photography camera lens as claimed in claim 5 is characterized in that, described the 4th lens and the distance of described the 5th lens on optical axis are T45, and the focal length of whole optical photography camera lens is f, satisfies the following relationship formula:

0.70＜(T45/f)*10＜3.00。

8. optical photography camera lens as claimed in claim 7 is characterized in that, the focal length of described the 4th lens is f4, and the focal length of described the 5th lens is f5, satisfies the following relationship formula:

-1.0＜f4/f5＜-0.4。

9. optical photography camera lens as claimed in claim 1, it is characterized in that, described optical photography camera lens is provided with a sense electronics optical element in addition for the object imaging, 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:

0.30＜SL/TTL＜0.55。

10. optical photography camera lens as claimed in claim 9 is characterized in that, the thing side surface radius-of-curvature of described the 3rd lens is R5, described the 3rd lens be R6 as the side surface radius-of-curvature, satisfy the following relationship formula:

1.25＜|R5/R6|。

11. optical photography camera lens as claimed in claim 2 is characterized in that, the focal length of whole optical photography camera lens is f, and the focal length of described first lens is f1, satisfies the following relationship formula:

-0.40＜f/f1＜-0.25。

12. optical photography camera lens as claimed in claim 3 is characterized in that, the focal length of whole optical photography camera lens is f, and the synthetic focal length of described first lens and described second lens is f12, satisfies the following relationship formula:

0.08＜f/f12＜0.30。

13. optical photography camera lens as claimed in claim 4 is characterized in that, the thing side surface radius-of-curvature of described second lens is R3, described second lens be R4 as the side surface radius-of-curvature, satisfy the following relationship formula:

1.2＜R3/R4＜4.5。

14. optical photography camera lens as claimed in claim 2 is characterized in that, the abbe number of described the 3rd lens is V3, and the abbe number of described the 4th lens is V4, satisfies the following relationship formula:

23.0＜V3-V4＜38.0。

15. optical photography camera lens as claimed in claim 1, it is characterized in that, described optical photography camera lens is provided with a sense electronics optical element in addition for the object imaging, 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＜6.0。

16. an optical photography camera lens is characterized in that described optical photography camera lens comprises the lens of five pieces of tool refracting powers, by the thing side extremely as side is in regular turn:

First lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface;

Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface;

The 3rd lens of the positive refracting power of one tool;

The 4th lens of the negative refracting power of one tool, its thing side surface and be all aspheric surface as side surface; And

The 5th lens of the positive refracting power of one tool, its thing side surface and be all aspheric surface as side surface;

Wherein, described second lens and the distance of described the 3rd lens on optical axis are T23, described the 4th lens and the distance of described the 5th lens on optical axis are T45, the focal length of whole optical photography camera lens is f, the thing side surface radius-of-curvature of described the 3rd lens is R5, described the 3rd lens be R6 as the side surface radius-of-curvature, the focal length of described the 3rd lens is f3, satisfies the following relationship formula:

0.00＜T23/f＜1.50；

0.10＜(T45/f)*10＜6.00；

1.25＜|R5/R6|；

0.50＜f/f3＜1.40。

17. optical photography camera lens as claimed in claim 16 is characterized in that, the material of described the 5th lens is a plastic cement.

18. optical photography camera lens as claimed in claim 17 is characterized in that, the abbe number of described the 3rd lens is V3, and the abbe number of described the 4th lens is V4, satisfies the following relationship formula:

23.0＜V3-V4＜38.0；

Wherein said optical photography camera lens is provided with an aperture in addition, and described aperture is arranged between described second lens and described the 3rd lens.

19. optical photography camera lens as claimed in claim 18 is characterized in that, the focal length of whole optical photography camera lens is f, and the focal length of described the 3rd lens is f3, satisfies the following relationship formula:

0.65＜f/f3＜1.00。

20. optical photography camera lens as claimed in claim 19 is characterized in that, described the 4th lens and the distance of described the 5th lens on optical axis are T45, and the focal length of whole optical photography camera lens is f, satisfies the following relationship formula:

0.70＜(T45/f)*10＜3.00。

21. optical photography camera lens as claimed in claim 16 is characterized in that, the focal length of described the 4th lens is f4, the focal length of described the 5th lens is f5, the thing side surface radius-of-curvature of described second lens is R3, described second lens be R4 as the side surface radius-of-curvature, satisfy the following relationship formula:

-1.0＜f4/f5＜-0.4；

1.2＜R3/R4＜4.5。

22. an optical photography camera lens is characterized in that described optical photography camera lens comprises the lens of five pieces of tool refracting powers, by the thing side extremely as side is in regular turn:

First lens of the negative refracting power of one tool, it is a concave surface as side surface;

Second lens of the positive refracting power of one tool, its thing side surface are concave surface and are convex surface as side surface;

The 3rd lens of the positive refracting power of one tool;

The 4th lens of the negative refracting power of one tool; And

The 5th lens of the positive refracting power of one tool;

Wherein, described the 3rd lens, described the 4th lens and described the 5th lens are all crescent lens.

23. optical photography camera lens as claimed in claim 22 is characterized in that, at least two pieces of lens in described the 3rd lens, described the 4th lens and described the 5th lens, its thing side surface be aspheric surface as at least one surface in the side surface.

24. optical photography camera lens as claimed in claim 23, it is characterized in that, the focal length of whole optical photography camera lens is f, the focal length of described the 3rd lens is f3, the thing side surface radius-of-curvature of described the 3rd lens is R5, described the 3rd lens be R6 as the side surface radius-of-curvature, satisfy the following relationship formula:

0.65＜f/f3＜1.00；

1.25＜|R5/R6|。

25. optical photography camera lens as claimed in claim 23 is characterized in that, the abbe number of described the 3rd lens is V3, and the abbe number of described the 4th lens is V4, satisfies the following relationship formula:

23.0＜V3-V4＜38.0；

Wherein said optical photography camera lens is provided with an aperture in addition, and described aperture is arranged between described second lens and described the 3rd lens.

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