CN109839721A - Camera optical camera lens - Google Patents

Abstract

The present invention relates to field of optical lens, disclose a kind of camera optical camera lens, which sequentially includes from object side to image side: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；And meet following relationship: 1.51≤f1/f≤2.50；1.70≤n6≤2.20；-2.00≤f3/f4≤2.00；0.00≤(R13+R14)/(R13-R14)≤10.00；0.015≤d11/TTL≤0.200.While the camera optical camera lens can obtain high imaging performance, low TTL is obtained.

Description

Camera optical camera lens

Technical field

The present invention relates to field of optical lens, in particular to a kind of to be suitable for the hand-held terminals such as smart phone, digital camera The camera optical camera lens of the photographic devices such as equipment and monitor, PC camera lens.

Background technique

In recent years, with the rise of smart phone, the demand for minimizing phtographic lens is increasingly improved, and general phtographic lens Sensor devices nothing more than being that photosensitive coupled apparatus (Charge Coupled Device, CCD) or Complimentary Metal-Oxide are partly led Two kinds of body device (Complementary Metal-OxideSemicondctor Sensor, CMOS Sensor), and due to half Conductor manufacturing process technology progresses greatly, so that the Pixel Dimensions of sensor devices reduce, along with electronic product is good with function now And light and short external form is development trend, therefore, the miniaturization pick-up lens for having good image quality becomes at present Mainstream in the market.To obtain preferable image quality, the camera lens that tradition is equipped on mobile phone camera mostly uses three-chip type or four Formula lens arrangement.Also, with the development of technology and users on diversity increases, sensor devices elemental area not It is disconnected to reduce, and in the case that requirement of the system to image quality is continuously improved, five chips, six chips, seven chip lens arrangements by Gradually appear in lens design.The wide-angle that there is outstanding optical signature, ultra-thin and chromatic aberation sufficiently to make corrections for urgent need is taken the photograph As camera lens.

Summary of the invention

In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of camera optical camera lens high imaging performance can be being obtained While, meet the requirement of ultrathin and wide angle.

In order to solve the above technical problems, embodiments of the present invention provide a kind of camera optical camera lens, which is characterized in that The camera optical camera lens sequentially includes from object side to image side: the first lens, the second lens, the third lens, the 4th lens, the Five lens, the 6th lens and the 7th lens；

The focal length of the camera optical camera lens is f, and the focal length of first lens is f1, and the focal length of the third lens is F3, the focal lengths of the 4th lens are f4, and the refractive index of the 6th lens is n6, on the axis of the 6th lens with a thickness of D11, the optics overall length of the camera optical camera lens are TTL, and the radius of curvature of the 7th lens object side is R13, described the The radius of curvature of seven lens image side surfaces is R14, meets following relationship:

1.51≤f1/f≤2.50；

1.70≤n6≤2.20；

-2.00≤f3/f4≤2.00；

0.00≤(R13+R14)/(R13-R14)≤10.00；

0.015≤d11/TTL≤0.200。

Preferably, the camera optical camera lens meets following relationship:

1.52≤f1/f≤2.31；

1.79≤n6≤2.20；

-2.01≤f3/f4≤1.50；

0.26≤(R13+R14)/(R13-R14)≤5.51；

0.039≤d11/TTL≤0.175。

Preferably, first lens have a positive refracting power, object side in it is paraxial be convex surface, image side surface is in paraxial Concave surface；The radius of curvature of the first lens object side is R1, and the radius of curvature of the first lens image side surface is R2, Yi Jisuo It states on the axis of the first lens with a thickness of d1, and meets following relationship: -5.79≤(R1+R2)/(R1-R2)≤- 1.53；0.04 ≤d1/TTL≤0.15。

Preferably, the camera optical camera lens meets following relationship: -3.62≤(R1+R2)/(R1-R2)≤- 1.92； 0.06≤d1/TTL≤0.12。

Preferably, the object side of second lens in it is paraxial be convex surface, image side surface in it is paraxial be concave surface；Described second The focal length of lens is f2, and the radius of curvature of the second lens object side is R3, the radius of curvature of the second lens image side surface For R4, with a thickness of d3 on the axis of second lens, and meet following relationship: -13.33≤f2/f≤980.98；-25.75 ≤(R3+R4)/(R3-R4)≤55.43；0.03≤d3/TTL≤0.12.

Preferably, the camera optical camera lens meets following relationship: -8.33≤f2/f≤784.78；-16.09≤(R3 +R4)/(R3-R4)≤44.35；0.04≤d3/TTL≤0.10.

Preferably, the third lens have a negative refracting power, object side in it is paraxial be concave surface, image side surface is in paraxial Convex surface；The radius of curvature of the third lens object side is R5, and the radius of curvature of the third lens image side surface is R6, described the With a thickness of d5 on the axis of three lens, and meet following relationship: -13.46≤f3/f≤- 3.12；-11.25≤(R5+R6)/ (R5-R6)≤-2.63；0.02≤d5/TTL≤0.06.

Preferably, the camera optical camera lens meets following relationship: -8.41≤f3/f≤- 3.90；-7.03≤(R5+ R6)/(R5-R6)≤-3.29；0.03≤d5/TTL≤0.05.

Preferably, the object side of the 4th lens is in paraxial for convex surface；The radius of curvature of 4th lens object side For R7, the radius of curvature of the 4th lens image side surface is R8, with a thickness of d7 on the axis of the 4th lens, and meets following pass It is formula: -13.46≤f4/f≤5.40；-2.33≤(R7+R8)/(R7-R8)≤3.59；0.04≤d7/TTL≤0.13.

Preferably, the camera optical camera lens meets following relationship: -8.41≤f4/f≤4.32；-1.46≤(R7+ R8)/(R7-R8)≤2.87；0.07≤d7/TTL≤0.11.

Preferably, the 5th lens have positive refracting power, and image side surface is in paraxial for convex surface；The coke of 5th lens It is R9 away from the radius of curvature for f5, the 5th lens object side, the radius of curvature of the 5th lens image side surface is R10, institute It states on the axis of the 5th lens with a thickness of d9, and meets following relationship: 0.25≤f5/f≤0.77；0.48≤(R9+R10)/ (R9-R10)≤1.56；0.07≤d9/TTL≤0.23.

Preferably, the camera optical camera lens meets following relationship: 0.40≤f5/f≤0.62；0.77≤(R9+ R10)/(R9-R10)≤1.24；0.12≤d9/TTL≤0.18.

Preferably, the object side of the 6th lens in it is paraxial be concave surface, image side surface in it is paraxial be convex surface；Described 6th The focal length of lens is f6, and the radius of curvature of the 6th lens object side is R11, the radius of curvature of the 6th lens image side surface For R12, and meet following relationship: -23.57≤f6/f≤7010.57；-112.14≤(R11+R12)/(R11-R12)≤ 54.62；0.03≤d11/TTL≤0.22.

Preferably, the camera optical camera lens meets following relationship: -14.73≤f6/f≤5608.45；-70.09≤ (R11+R12)/(R11-R12)≤43.69；0.05≤d11/TTL≤0.18.

Preferably, the 7th lens have negative refracting power, and image side surface is in paraxial for concave surface；The coke of 7th lens Away from for f7, with a thickness of d13 on the axis of the 7th lens, and meet following relationship: -1.12≤f7/f≤- 0.30；0.02≤ d13/TTL≤0.08。

Preferably, the camera optical camera lens meets following relationship: -0.70≤f7/f≤- 0.38；0.04≤d13/ TTL≤0.06。

Preferably, the optics overall length TTL of the camera optical camera lens is less than or equal to 6.34 millimeters.

Preferably, the optics overall length TTL of the camera optical camera lens is less than or equal to 6.05 millimeters.

Preferably, the aperture F number of the camera optical camera lens is less than or equal to 1.83.

Preferably, the aperture F number of the camera optical camera lens is less than or equal to 1.80.

The beneficial effects of the present invention are: camera optical camera lens according to the present invention has outstanding optical characteristics, ultra-thin, Wide-angle and chromatic aberation sufficiently makes corrections, is particularly suitable for the cell-phone camera mirror being made of photographing elements such as CCD, CMOS of high pixel Head assembly and WEB pick-up lens.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the camera optical camera lens of first embodiment of the invention；

Fig. 2 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 1；

Fig. 3 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 1；

Fig. 4 is the curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 1；

Fig. 5 is the structural schematic diagram of the camera optical camera lens of second embodiment of the invention；

Fig. 6 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 5；

Fig. 7 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 5；

Fig. 8 is the curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 5；

Fig. 9 is the structural schematic diagram of the camera optical camera lens of third embodiment of the invention；

Figure 10 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 9；

Figure 11 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 9；

Figure 12 is the curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 9.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention, Many technical details are proposed in order to make reader more fully understand the present invention.But even if without these technical details and base In the various changes and modifications of following embodiment, claimed technical solution of the invention also may be implemented.

(first embodiment)

With reference to attached drawing, the present invention provides a kind of camera optical camera lenses 10.Fig. 1 show first embodiment of the invention Camera optical camera lens 10, the camera optical camera lens 10 include seven lens.Specifically, the camera optical camera lens 10, by object side Sequentially include: to image side aperture S1, the first lens L1, the second lens L2, the third lens L3, the 4th lens L4, the 5th lens L5, 6th lens L6 and the 7th lens L7.It may be provided with optical filtering piece (filter) GF etc. between 7th lens L7 and image planes Si Optical element.

First lens L1 is plastic material, and the second lens L2 is plastic material, and the third lens L3 is plastic material, and the 4th thoroughly Mirror L4 is plastic material, and the 5th lens L5 is plastic material, and the 6th lens L6 is glass material, and the 7th lens L7 is plastics material Matter.

The focal length for defining whole camera optical camera lens 10 is f, and the focal length of the first lens L1 is f1,1.51≤f1/f≤ 2.50, it is specified that the positive refracting power of the first lens L1.When more than lower limit specified value, develop although being conducive to camera lens to ultrathin, But the positive refracting power of the first lens L1 can be too strong, it is difficult to make corrections aberration the problems such as, while be unfavorable for camera lens to wide angle develop. On the contrary, the positive refracting power of the first lens can become weak when being more than upper limit specified value, camera lens is difficult to develop to ultrathin.Preferably, Meet 1.52≤f1/f≤2.31.

The refractive index for defining the 6th lens L6 is n6, and 1.70≤n6≤2.20 are, it is specified that the refraction of the 6th lens L6 Rate is more advantageous within this range to ultrathin and develops, while being conducive to amendment aberration.Preferably, meet 1.79≤n6≤2.20.

The focal length for defining the third lens L3 is f3, and the focal length of the 4th lens L4 is f4, -2.00≤f3/f4≤ 2.00, it is specified that the ratio of the focal length f4 of the focal length f3 and the 4th lens L4 of the third lens L3, by the reasonable distribution of focal power, So that system has preferable image quality and lower sensibility.Preferably, meet -2.01≤f3/f4≤1.50.

The radius of curvature for defining the 7th lens L7 object side is R13, the curvature half of the 7th lens L7 image side surface Diameter is R14, and 0.00≤(R13+R14)/(R13-R14)≤10.00 is, it is specified that the shape of the 7th lens L7, when outside range, with To ultra-thin wide angle develop, be difficult make corrections axis outside draw angle aberration the problems such as.Preferably, meet 0.26≤(R13+R14)/ (R13-R14)≤5.51。

With a thickness of d11 on the axis of the 6th lens L6, the optics overall length of camera optical camera lens 10 is TTL, 0.015≤ D11/TTL≤0.200, it is specified that on the axis of the 6th lens L6 the optics overall length TTL of thickness and camera optical camera lens 10 ratio, It is advantageously implemented ultrathin.Preferably, meet 0.039≤d11/TTL≤0.175.

When the focal length of camera optical camera lens 10 of the present invention, the focal length of each lens, the refractive index of associated lens, shooting light It learns the optics overall length of camera lens, when thickness and radius of curvature meet above-mentioned relation formula on axis, videography optical lens head 10 can be made to have High-performance, and meet the design requirement of low TTL.

In present embodiment, the object side of the first lens L1 is convex surface in paraxial place, and image side surface is concave surface, tool in paraxial place There is positive refracting power.

The radius of curvature R 1 of first lens L1 object side, the radius of curvature R 2 of the first lens L1 image side surface meet following pass Being formula: -5.79≤(R1+R2)/(R1-R2)≤- 1.53 rationally controls the shape of the first lens, the first lens is had Effect ground correction system spherical aberration；Preferably, -3.62≤(R1+R2)/(R1-R2)≤- 1.92.

With a thickness of d1 on the axis of first lens L1, meet following relationship: 0.04≤d1/TTL≤0.15 is advantageously implemented Ultrathin.Preferably, 0.06≤d1/TTL≤0.12.

In present embodiment, the object side of the second lens L2 is convex surface in paraxial place, and image side surface is concave surface in paraxial place.

Second lens L2 focal length f2, meets following relationship: -13.33≤f2/f≤980.98, by by the second lens L2 Negative power control in zone of reasonableness, be conducive to the aberration for correcting optical system.Preferably, -8.33≤f2/f≤784.78.

The radius of curvature R 3 of second lens L2 object side, the radius of curvature R 4 of the second lens L2 image side surface meet following pass Be formula: -25.75≤(R3+R4)/(R3-R4)≤55.43 is, it is specified that the shape of the second lens L2, when outside range, with mirror Head develops to ultra-thin wide angle, it is difficult to which make corrections Aberration Problem.Preferably, -16.09≤(R3+R4)/(R3-R4)≤44.35.

With a thickness of d3 on the axis of second lens L2, meet following relationship: 0.03≤d3/TTL≤0.12 is advantageously implemented Ultrathin.Preferably, 0.04≤d3/TTL≤0.10.

In present embodiment, the object side of the third lens L3 is concave surface in paraxial place, and image side surface is convex surface, tool in paraxial place There is negative refracting power.

The third lens L3 focal length f3, and meet following relationship: -13.46≤f3/f≤- 3.12 is conducive to system and obtains The ability of the good balance curvature of field is obtained, effectively to promote image quality.Preferably, -8.41≤f3/f≤- 3.90.

The radius of curvature R 5 of the third lens L3 object side, the radius of curvature R 6 of the third lens L3 image side surface meet following pass Being formula: -11.25≤(R5+R6)/(R5-R6)≤- 2.63 can be effectively controlled the shape of the third lens L3, be conducive to the third lens L3 molding, and avoid causing to form the generation of bad and stress because the surface curvature of the third lens L3 is excessive.Preferably, -7.03 ≤(R5+R6)/(R5-R6)≤-3.29。

With a thickness of d5 on the axis of the third lens L3, meet following relationship: 0.02≤d5/TTL≤0.06 is advantageously implemented Ultrathin.Preferably, 0.03≤d5/TTL≤0.05.

In present embodiment, the object side of the 4th lens L4 is convex surface in paraxial place.

4th lens L4 focal length f4, meets following relationship: -13.46≤f4/f≤5.40, passes through rationally dividing for focal power Match, so that system has preferable image quality and lower sensibility.Preferably, -8.41≤f4/f≤4.32.

The radius of curvature R 7 of 4th lens L4 object side, the radius of curvature R 8 of the 4th lens L4 image side surface meet following pass Be formula: -2.33≤(R7+R8)/(R7-R8)≤3.59, it is specified that be the 4th lens L4 shape, when outside range, with super The development of thin wide angle is difficult the problems such as drawing the aberration at angle outside correction axis.Preferably, -1.46≤(R7+R8)/(R7-R8)≤ 2.87。

With a thickness of d7 on the axis of 4th lens L4, meet following relationship: 0.04≤d7/TTL≤0.13 is advantageously implemented Ultrathin.Preferably, 0.07≤d7/TTL≤0.11.

In present embodiment, the image side surface of the 5th lens L5 is convex surface in paraxial place, has positive refracting power.

5th lens L5 focal length f5, meets following relationship: 0.25≤f5/f≤0.77, can to the restriction of the 5th lens L5 Effectively make the light angle of pick-up lens gentle, reduces tolerance sensitivities.Preferably, 0.40≤f5/f≤0.62.

The radius of curvature R 9 of 5th lens L5 object side, the radius of curvature R 10 of the 5th lens L5 image side surface meet following pass Be formula: 0.48≤(R9+R10)/(R9-R10)≤1.56, it is specified that be the 5th lens L5 shape, when outside condition and range, with The development of ultra-thin wide angle, the problems such as drawing the aberration at angle outside the axis that is difficult to make corrections.Preferably, 0.77≤(R9+R10)/(R9-R10) ≤1.24。

With a thickness of d9 on the axis of 5th lens L5, meet following relationship: 0.07≤d9/TTL≤0.23 is advantageously implemented Ultrathin.Preferably, 0.12≤d9/TTL≤0.18.

In present embodiment, the object side of the 6th lens L6 is concave surface in paraxial place, and image side surface is convex surface in paraxial place.

6th lens L6 focal length f6, meets following relationship: -23.57≤f6/f≤7010.57, passes through the conjunction of focal power Reason distribution, so that system has preferable image quality and lower sensibility.Preferably, -14.73≤f6/f≤5608.45.

The radius of curvature R 11 of 6th lens L6 object side, the radius of curvature R 12 of the 6th lens L6 image side surface meet following Relational expression: -112.14≤(R11+R12)/(R11-R12)≤54.62, it is specified that be the 6th lens L6 shape, in condition model When enclosing outer, as ultra-thin wide angle develops, it is difficult the problems such as drawing the aberration at angle outside correction axis.Preferably, -70.09≤(R11+ R12)/(R11-R12)≤43.69。

With a thickness of d11 on the axis of 6th lens L6, meet following relationship: 0.03≤d11/TTL≤0.22 is conducive to reality Existing ultrathin.Preferably, 0.05≤d11/TTL≤0.18.

In present embodiment, the image side surface of the 7th lens L7 is concave surface in paraxial place, has negative refracting power.

7th lens L7 focal length f7 meets following relationship: -1.12≤f7/f≤- 0.30, passes through rationally dividing for focal power Match, so that system has preferable image quality and lower sensibility.Preferably, -0.70≤f7/f≤- 0.38.

With a thickness of d13 on the axis of 7th lens L7, meet following relationship: 0.02≤d13/TTL≤0.08 is conducive to reality Existing ultrathin.Preferably, 0.04≤d13/TTL≤0.06.

In present embodiment, the optics overall length TTL of camera optical camera lens 10 is less than or equal to 6.34 millimeters, is advantageously implemented Ultrathin.Preferably, the optics overall length TTL of camera optical camera lens 10 is less than or equal to 6.05.

In present embodiment, the aperture F number of camera optical camera lens 10 is less than or equal to 1.83.Large aperture, imaging performance are good. Preferably, the aperture F number of camera optical camera lens 10 is less than or equal to 1.80.

It is designed in this way, the optics overall length TTL of whole camera optical camera lens 10 is enabled to shorten as far as possible, maintain miniaturization Characteristic.

Camera optical camera lens 10 of the invention will be illustrated with example below.The documented following institute of symbol in each example Show.Distance on focal length, axis, radius of curvature, thickness on axis, point of inflexion position, stationary point position unit be mm.

TTL: optical length (distance on the object side to the axis of imaging surface of the 1st lens L1), unit mm；

Preferably, it is also provided with the point of inflexion and/or stationary point on the object side of the lens and/or image side surface, with full The imaging demand of sufficient high-quality, specific implementable solution are joined lower described.

Table 1, table 2 show the design data of the camera optical camera lens 10 of first embodiment of the invention.

[table 1]

Wherein, the meaning of each symbol is as follows.

S1: aperture；

R: being center radius of curvature when the radius of curvature of optical surface, lens；

The radius of curvature of the object side of R1: the first lens L1；

The radius of curvature of the image side surface of R2: the first lens L1；

The radius of curvature of the object side of R3: the second lens L2；

The radius of curvature of the image side surface of R4: the second lens L2；

The radius of curvature of R5: the third lens L3 object side；

R6: the radius of curvature of the image side surface of the third lens L3；

The radius of curvature of the object side of R7: the four lens L4；

The radius of curvature of the image side surface of R8: the four lens L4；

The radius of curvature of the object side of R9: the five lens L5；

The radius of curvature of the image side surface of R10: the five lens L5；

The radius of curvature of the object side of R11: the six lens L6；

The radius of curvature of the image side surface of R12: the six lens L6；

The radius of curvature of the object side of R13: the seven lens L7；

The radius of curvature of the image side surface of R14: the seven lens L7；

R15: the radius of curvature of the object side of optical filtering piece GF；

R16: the radius of curvature of the image side surface of optical filtering piece GF；

D: distance on the axis on the axis of lens between thickness and lens；

Distance on the axis of the object side of d0: aperture S1 to first lens L1；

Thickness on the axis of d1: the first lens L1；

Distance on the image side surface of d2: the first lens L1 to the axis of the object side of the second lens L2；

Thickness on the axis of d3: the second lens L2；

Distance on the image side surface of d4: the second lens L2 to the axis of the object side of the third lens L3；

D5: thickness on the axis of the third lens L3；

D6: distance on the axis of the image side surface of the third lens L3 to the object side of the 4th lens L4；

Thickness on the axis of d7: the four lens L4；

Distance on the image side surface of d8: the four lens L4 to the axis of the object side of the 5th lens L5；

Thickness on the axis of d9: the five lens L5；

Distance on the image side surface of d10: the five lens L5 to the axis of the object side of the 6th lens L6；

Thickness on the axis of d11: the six lens L6；

Distance on the image side surface of d12: the six lens L6 to the axis of the object side of the 7th lens L7；

Thickness on the axis of d13: the seven lens L7；

Distance on the image side surface of d14: the seven lens L7 to the axis of the object side of optical filtering piece GF；

D15: thickness on the axis of optical filtering piece GF；

D16: distance on the image side surface to the axis of image planes of optical filtering piece GF；

The refractive index of nd:d line；

The refractive index of the d line of nd1: the first lens L1；

The refractive index of the d line of nd2: the second lens L2；

The refractive index of nd3: the third lens L3 d line；

The refractive index of the d line of nd4: the four lens L4；

The refractive index of the d line of nd5: the five lens L5；

The refractive index of the d line of nd6: the six lens L6；

The refractive index of the d line of nd7: the seven lens L7；

Ndg: the refractive index of the d line of optical filtering piece GF；

Vd: Abbe number；

The Abbe number of v1: the first lens L1；

The Abbe number of v2: the second lens L2；

V3: the Abbe number of the third lens L3；

The Abbe number of v4: the four lens L4；

The Abbe number of v5: the five lens L5；

The Abbe number of v6: the six lens L6；

The Abbe number of v7: the seven lens L7；

Vg: the Abbe number of optical filtering piece GF.

Table 2 shows the aspherical surface data of each lens in the camera optical camera lens 10 of first embodiment of the invention.

[table 2]

Wherein, k is circular cone coefficient, and A4, A6, A8, A10, A12, A14, A16 are asphericity coefficients.

IH: image height

Y=(x²/R)/[1+{1-(k+1)(x²/R²)}^1/2]+A4x⁴+A6x⁶+A8x⁸+A10x¹⁰+A12x¹²+A14x¹⁴+ A16x¹⁶ (1)

For convenience, each lens face is aspherical using aspherical shown in above-mentioned formula (1).But this hair The bright aspherical polynomial form for being not limited to the formula (1) expression.

Table 3, table 4 show the point of inflexion of each lens and stationary point in the camera optical camera lens 10 of first embodiment of the invention Design data.Wherein, P1R1, P1R2 respectively represent object side and the image side surface of the first lens L1, and P2R1, P2R2 respectively represent The object side of two lens L2 and image side surface, P3R1, P3R2 respectively represent object side and the image side surface of the third lens L3, P4R1, P4R2 respectively represents object side and the image side surface of the 4th lens L4, P5R1, P5R2 respectively represent the 5th lens L5 object side and Image side surface, P6R1, P6R2 respectively represent object side and the image side surface of the 6th lens L6, and P7R1, P7R2 respectively represent the 7th lens The object side of L7 and image side surface." point of inflexion position " field corresponding data is the point of inflexion set by each lens surface to shooting light Learn the vertical range of 10 optical axis of camera lens." stationary point position " field corresponding data is stationary point set by each lens surface to shooting light Learn the vertical range of 10 optical axis of camera lens.

[table 3]

	Point of inflexion number	Point of inflexion position 1	Point of inflexion position 2
				P1R1
P1R2	1	0.845
				P2R1	2	0.595	1.115
P2R2
				P3R1
P3R2
				P4R1	2	0.475	1.095
P4R2	1	1.325
				P5R1
P5R2	2	1.265	1.585
				P6R1	1	1.885
P6R2	1	2.035
				P7R1	2	1.465	2.465
P7R2	1	0.795

[table 4]

Fig. 2, Fig. 3 respectively illustrate shooting light of the light Jing Guo first embodiment that wavelength is 486nm, 588nm and 656nm Axial aberration and ratio chromatism, schematic diagram after learning camera lens 10.Fig. 4 is then shown, and the light that wavelength is 588nm is real by first The curvature of field and distortion schematic diagram after applying the camera optical camera lens 10 of mode, the curvature of field S of Fig. 4 is the curvature of field in sagitta of arc direction, and T is meridian The curvature of field in direction.

The table 13 occurred afterwards show in each example 1,2,3 in various numerical value and conditional as defined in corresponding to parameter Value.

As shown in table 13, first embodiment meets each conditional.

In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.284mm, and full filed image height is 3.715mm, the field angle of diagonal are 80.44 °, wide-angle, ultra-thin, and on axis, the outer chromatic aberation of axis sufficiently makes corrections, and have Outstanding optical signature.

(second embodiment)

Second embodiment is essentially identical with first embodiment, and symbol meaning is identical with first embodiment, below only List difference.

Table 5, table 6 show the design data of the camera optical camera lens 20 of second embodiment of the invention.

[table 5]

Table 6 shows the aspherical surface data of each lens in the camera optical camera lens 20 of second embodiment of the invention.

[table 6]

Table 7, table 8 show the point of inflexion of each lens and stationary point in the camera optical camera lens 20 of second embodiment of the invention Design data.

[table 7]

	Point of inflexion number	Point of inflexion position 1	Point of inflexion position 2	Point of inflexion position 3
					P1R1
P1R2	1	0.605
					P2R1	1	0.585
P2R2	2	0.755	1.055
					P3R1
P3R2
					P4R1	2	0.495	1.025
P4R2	2	0.125	1.315
					P5R1	1	0.135
P5R2	2	1.245	1.565
					P6R1	1	1.835
P6R2	1	2.015
					P7R1	2	1.435	2.785
P7R2	3	0.805	2.615	2.875

[table 8]

	Stationary point number	Stationary point position 1
			P1R1
P1R2
			P2R1	1	1.075
P2R2
			P3R1
P3R2
			P4R1
P4R2	1	0.205
			P5R1	1	0.215
P5R2
			P6R1
P6R2
			P7R1	1	2.155
P7R2	1	3.015

Fig. 6, Fig. 7 respectively illustrate shooting light of the light Jing Guo second embodiment that wavelength is 486nm, 588nm and 656nm Axial aberration and ratio chromatism, schematic diagram after learning camera lens 20.Fig. 8 is then shown, and the light that wavelength is 588nm is real by second The curvature of field and distortion schematic diagram after applying the camera optical camera lens 20 of mode.

As shown in table 13, second embodiment meets each conditional.

In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.175mm, and full filed image height is 3.715mm, the field angle of diagonal are 82.89 °, wide-angle, ultra-thin, and on axis, the outer chromatic aberation of axis sufficiently makes corrections, and have Outstanding optical signature.

(third embodiment)

Third embodiment and first embodiment are essentially identical, and symbol meaning is identical with first embodiment, below only List difference.

Table 9, table 10 show the design data of the camera optical camera lens 30 of third embodiment of the invention.

[table 9]

Table 10 shows the aspherical surface data of each lens in the camera optical camera lens 30 of third embodiment of the invention.

[table 10]

Table 11, table 12 show the point of inflexion of each lens in the camera optical camera lens 30 of third embodiment of the invention and stay Point design data.

[table 11]

	Point of inflexion number	Point of inflexion position 1	Point of inflexion position 2	Point of inflexion position 3
					P1R1	1	0.955
P1R2	1	0.425
					P2R1	2	0.615	0.825
P2R2	1	0.755
					P3R1
P3R2	1	1.115
					P4R1	2	0.285	1.025
P4R2	2	0.305	1.335
					P5R1	1	0.195
P5R2	2	1.315	1.605
					P6R1	1	1.765
P6R2	1	2.055
					P7R1	3	0.275	1.825	2.575
P7R2	1	0.845

[table 12]

Figure 10, Figure 11 respectively illustrate camera shooting of the light Jing Guo third embodiment that wavelength is 486nm, 588nm and 656nm Axial aberration and ratio chromatism, schematic diagram after optical lens 30.Figure 12 is then shown, and the light that wavelength is 588nm passes through third The curvature of field and distortion schematic diagram after the camera optical camera lens 30 of embodiment.

Following table 13 lists the numerical value that each conditional is corresponded in present embodiment according to the above conditions.Obviously, this reality The imaging optical system for applying mode meets above-mentioned conditional.

In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.090mm, and full filed image height is 3.715mm, the field angle of diagonal are 85.18 °, wide-angle, ultra-thin, and on axis, the outer chromatic aberation of axis sufficiently makes corrections, and have Outstanding optical signature.

[table 13]

Parameter and conditional	Embodiment 1	Embodiment 2	Embodiment 3
				f	4.065	3.872	3.720
f1	6.188	7.207	7.885
				f2	-27.104	2531.931	22.418
f3	-25.428	-18.111	-25.031
				f4	12.628	13.939	-25.035
f5	2.073	1.943	1.917
				f6	-47.915	18094.454	53.194
f7	-1.833	-1.782	-2.076
				Fno	1.78	1.78	1.78
f3/f4	-2.01	-1.30	1.00
				f1/f	1.52	1.86	2.12
(R13+R14)/(R13-R14)	0.52	0.74	1.03
				d11/TTL	0.06	0.09	0.15

It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiment party of the invention Formula, and in practical applications, can to it, various changes can be made in the form and details, without departing from spirit and model of the invention It encloses.

Claims (20)

1. a kind of camera optical camera lens, which is characterized in that the camera optical camera lens sequentially includes: first from object side to image side Lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；

The focal length of the camera optical camera lens is f, and the focal length of first lens is f1, and the focal length of the third lens is f3, The focal length of 4th lens is f4, and the refractive index of the 6th lens is n6, with a thickness of d11 on the axis of the 6th lens, The optics overall length of the camera optical camera lens is TTL, and the radius of curvature of the 7th lens object side is R13, and the described 7th thoroughly The radius of curvature of mirror image side is R14, meets following relationship:

1.51≤f1/f≤2.50；

1.70≤n6≤2.20；

-2.00≤f3/f4≤2.00；

0.00≤(R13+R14)/(R13-R14)≤10.00；

0.015≤d11/TTL≤0.200。

2. camera optical camera lens according to claim 1, which is characterized in that the camera optical camera lens meets following relationship Formula:

1.52≤f1/f≤2.31；

1.79≤n6≤2.20；

-2.01≤f3/f4≤1.50；

0.26≤(R13+R14)/(R13-R14)≤5.51；

0.039≤d11/TTL≤0.175。

3. camera optical camera lens according to claim 1, which is characterized in that first lens have positive refracting power, Object side in it is paraxial be convex surface, image side surface in it is paraxial be concave surface；

The radius of curvature of the first lens object side is R1, and the radius of curvature of the first lens image side surface is R2, Yi Jisuo It states on the axis of the first lens with a thickness of d1, and meets following relationship:

-5.79≤(R1+R2)/(R1-R2)≤-1.53；

0.04≤d1/TTL≤0.15。

4. camera optical camera lens according to claim 3, which is characterized in that the camera optical camera lens meets following relationship Formula:

-3.62≤(R1+R2)/(R1-R2)≤-1.92；

0.06≤d1/TTL≤0.12。

5. camera optical camera lens according to claim 1, which is characterized in that the object side of second lens is in paraxial Convex surface, image side surface is in paraxial for concave surface；

The focal length of second lens is f2, and the radius of curvature of the second lens object side is R3, second lens image side The radius of curvature in face is R4, with a thickness of d3 on the axis of second lens, and meets following relationship:

-13.33≤f2/f≤980.98；

-25.75≤(R3+R4)/(R3-R4)≤55.43；

0.03≤d3/TTL≤0.12。

6. camera optical camera lens according to claim 5, which is characterized in that the camera optical camera lens meets following relationship Formula:

-8.33≤f2/f≤784.78；

-16.09≤(R3+R4)/(R3-R4)≤44.35；

0.04≤d3/TTL≤0.10。

7. camera optical camera lens according to claim 1, which is characterized in that the third lens have negative refracting power, Object side in it is paraxial be concave surface, image side surface in it is paraxial be convex surface；

The radius of curvature of the third lens object side is R5, and the radius of curvature of the third lens image side surface is R6, described the With a thickness of d5 on the axis of three lens, and meet following relationship:

-13.46≤f3/f≤-3.12；

-11.25≤(R5+R6)/(R5-R6)≤-2.63；

0.02≤d5/TTL≤0.06。

8. camera optical camera lens according to claim 7, which is characterized in that the camera optical camera lens meets following relationship Formula:

-8.41≤f3/f≤-3.90；

-7.03≤(R5+R6)/(R5-R6)≤-3.29；

0.03≤d5/TTL≤0.05。

9. camera optical camera lens according to claim 1, which is characterized in that the object side of the 4th lens is in paraxial Convex surface；

The radius of curvature of 4th lens object side is R7, and the radius of curvature of the 4th lens image side surface is R8, described the With a thickness of d7 on the axis of four lens, and meet following relationship:

-13.46≤f4/f≤5.40；

-2.33≤(R7+R8)/(R7-R8)≤3.59；

0.04≤d7/TTL≤0.13。

10. camera optical camera lens according to claim 9, which is characterized in that the camera optical camera lens meets following pass It is formula:

-8.41≤f4/f≤4.32；

-1.46≤(R7+R8)/(R7-R8)≤2.87；

0.07≤d7/TTL≤0.11。

11. camera optical camera lens according to claim 1, which is characterized in that the 5th lens have positive refracting power, Image side surface is in paraxial for convex surface；

The focal length of 5th lens is f5, and the radius of curvature of the 5th lens object side is R9, the 5th lens image side The radius of curvature in face is R10, with a thickness of d9 on the axis of the 5th lens, and meets following relationship:

0.25≤f5/f≤0.77；

0.48≤(R9+R10)/(R9-R10)≤1.56；

0.07≤d9/TTL≤0.23。

12. camera optical camera lens according to claim 11, which is characterized in that the camera optical camera lens meets following pass It is formula:

0.40≤f5/f≤0.62；

0.77≤(R9+R10)/(R9-R10)≤1.24；

0.12≤d9/TTL≤0.18。

13. camera optical camera lens according to claim 1, which is characterized in that the object side of the 6th lens is in paraxial For concave surface, image side surface is in paraxial for convex surface；

The focal length of 6th lens is f6, and the radius of curvature of the 6th lens object side is R11, the 6th lens image side The radius of curvature in face is R12, and meets following relationship:

-23.57≤f6/f≤7010.57；

-112.14≤(R11+R12)/(R11-R12)≤54.62；

0.03≤d11/TTL≤0.22。

14. camera optical camera lens according to claim 13, which is characterized in that the camera optical camera lens meets following pass It is formula:

-14.73≤f6/f≤5608.45；

-70.09≤(R11+R12)/(R11-R12)≤43.69；

0.05≤d11/TTL≤0.18。

15. camera optical camera lens according to claim 1, which is characterized in that the 7th lens have negative refracting power, Image side surface is in paraxial for concave surface；

The focal length of 7th lens is f7, with a thickness of d13 on the axis of the 7th lens, and meets following relationship:

-1.12≤f7/f≤-0.30；

0.02≤d13/TTL≤0.08。

16. camera optical camera lens according to claim 15, which is characterized in that the camera optical camera lens meets following pass It is formula:

-0.70≤f7/f≤-0.38；

0.04≤d13/TTL≤0.06。

17. camera optical camera lens according to claim 1, which is characterized in that the optics overall length of the camera optical camera lens TTL is less than or equal to 6.34 millimeters.

18. camera optical camera lens according to claim 17, which is characterized in that the optics overall length of the camera optical camera lens TTL is less than or equal to 6.05 millimeters.

19. camera optical camera lens according to claim 1, which is characterized in that the aperture F number of the camera optical camera lens is small In or equal to 1.83.

20. camera optical camera lens according to claim 19, which is characterized in that the aperture F number of the camera optical camera lens Less than or equal to 1.80.