CN110297311A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN110297311A CN110297311A CN201910581563.7A CN201910581563A CN110297311A CN 110297311 A CN110297311 A CN 110297311A CN 201910581563 A CN201910581563 A CN 201910581563A CN 110297311 A CN110297311 A CN 110297311A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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Abstract
The present invention provides a kind of camera optical camera lens, the camera optical camera lens by the first lens that object side to image side successively includes: with positive refracting power, the second lens with negative refracting power, the third lens with positive refracting power, the 4th lens with negative refracting power, the 5th lens with positive refracting power, with the 6th lens of negative refracting power；Wherein, the focal length of the camera optical camera lens entirety is f, the focal length of the third lens is f3, the focal length of 4th lens is f4, the radius of curvature of the third lens object side is R5, the radius of curvature of the third lens image side surface is R6, meets following relationship: 30.00≤f3/f≤60.00；-10.00≤f4/f≤-6.00；-15.00≤(R5+R6)/(R5-R6)≤-8.00.The camera optical camera lens also meets the design requirement of large aperture, wide angle, ultrathin while with good optical property.
Description
[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]
With the development of photography technology, camera optical camera lens is widely used in miscellaneous electronic product, example
Such as smart phone, digital camera.For convenience of carrying, people increasingly pursue the lightening of electronic product, therefore, have good
The miniaturization camera optical camera lens of image quality becomes the mainstream of existing market.
Camera optical camera lens on conditional electronic product mostly uses four-piece type, five chips, six chips even seven chip lens
Structure, however as the increase of users on diversity, however, with the development of technology and the increasing of users on diversity
It is more, in the case that the elemental area in sensor devices constantly reduces and requirement of the system to image quality is continuously improved, six chips
Lens arrangement occurs gradually in lens design, although six common chip lens have had preferable optical property,
It is that its focal power, lens spacing and lens shape setting still have certain irrationality, causes lens arrangement with good
While good optical property, be unable to satisfy large aperture, ultrathin, wide angle design requirement.
Therefore, it is necessary to provide it is a kind of there is good optical property and meet large aperture, wide angle, ultrathin design want
The camera optical camera lens asked.
[summary of the invention]
The purpose of the present invention is to provide a kind of camera optical camera lenses, while with favorable optical performance, meet big
Aperture, ultrathin, wide angle design requirement.
Technical scheme is as follows:
In order to solve the above technical problems, embodiments of the present invention provide a kind of camera optical camera lens, the shooting light
It successively includes: the first lens with positive refracting power that camera lens, which is learned, by object side to image side, and the second lens with negative refracting power have
The third lens of positive refracting power, the 4th lens with negative refracting power, the 5th lens with positive refracting power, and there is negative bend
Roll over the 6th lens of power；
Wherein, the focal length of the camera optical camera lens is f, and the focal length of the third lens is f3, the 4th lens
Focal length is f4, and 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, full
Sufficient following relationship:
30.00≤f3/f≤60.00；
-10.00≤f4/f≤-6.00；
-15.00≤(R5+R6)/(R5-R6)≤-8.00。
Preferably, on the axis of the 5th lens with a thickness of d9, the image side surface of the 5th lens to the 6th lens
Object side axis on distance be d10, and meet following relationship:
1.50≤d9/d10≤3.50。
Preferably, the radius of curvature of the 4th lens object side is R7, the radius of curvature of the 4th lens image side surface
For R8, and meet following relationship:
5.00≤(R7+R8)/(R7-R8)≤10.00。
Preferably, the focal length of first lens is f1, and the radius of curvature of the first lens object side is R1, described the
The radius of curvature of one lens image side surface is on the axis of R2 and first lens with a thickness of d1, the camera optical camera lens
Optics overall length is TTL, and meets following relationship:
0.45≤f1/f≤1.43
-3.58≤(R1+R2)/(R1-R2)≤-1.10；
0.07≤d1/TTL≤0.25。
Preferably, the focal length of second lens is f2, and the radius of curvature of the second lens object side is R3, described the
The radius of curvature of two lens image side surfaces is R4, with a thickness of d3, the optics of the camera optical camera lens on the axis of second lens
Overall length is TTL, and meets following relationship:
-5.48≤f2/f≤-1.65；
1.76≤(R3+R4)/(R3-R4)≤5.70；
0.02≤d3/TTL≤0.08。
Preferably, with a thickness of d5 on the axis of the third lens, the optics overall length of the camera optical camera lens is TTL, and
Meet following relationship:
0.03≤d5/TTL≤0.10。
Preferably, with a thickness of d7 on the axis of the 4th lens, the optics overall length of the camera optical camera lens is TTL, and
Meet following relationship:
0.03≤d7/TTL≤0.10。
Preferably, the focal length of the 5th lens is f5, and the radius of curvature of the 5th lens object side is R9, described the
The radius of curvature of five lens image side surfaces is R10, and the optics overall length of the camera optical camera lens is TTL, and meets following relationship:
0.33≤f5/f≤1.02；
0.20≤(R9+R10)/(R9-R10)≤1.32；
0.07≤d9/TTL≤0.25。
Preferably, the focal length of the 6th lens is f6, and the radius of curvature of the 6th lens object side is R11, described
The radius of curvature of 6th lens image side surface is R12, and meets following relationship:
-1.12≤f6/f≤-0.35；
0.11≤(R11+R12)/(R11-R12)≤0.65。
Preferably, the optics overall length of the camera optical camera lens is TTL, and the image height of the camera optical camera lens is IH, institute
The aperture F number for stating camera optical camera lens is FNO, and meets following relationship:
TTL/IH≤1.45；
FNO≤1.76。
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 embodiment one；
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 embodiment two；
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 embodiment three；
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]
The invention will be further described with embodiment with reference to the accompanying drawing.
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.
The following are embodiments one:
Also referring to Fig. 1 to Fig. 4, the present invention provides the camera optical camera lenses 10 of embodiment one.It is left in Fig. 1
Side is object side, and right side is image side, and camera optical camera lens 10 mainly includes six lens of coaxial arrangement, specifically, from object side to
Image side successively includes aperture S1, the first lens L1 with positive refracting power, the second lens L2 with negative refracting power, has and just bend
It rolls over the third lens L3 of power, the 4th lens L4 with negative refracting power, the 5th lens L5 with positive refracting power and has negative
6th lens L6 of refracting power.Glass plate GF is equipped between 6th lens L6 and image planes Si, glass plate GF can be glass
Cover board is also possible to optical filtering piece.
The focal length for defining whole camera optical camera lens 10 is f, and the focal length of the third lens L3 is f3,30.00≤f3/f
≤60.00.When f3/f meets condition, the focal length of the third lens L3 can be effectively distributed, the aberration of optical system is corrected,
And then promote image quality.
The focal length for defining the 4th lens L4 is f4, -10.00≤f4/f≤- 6.00.Define the 4th lens L4 focal length
With the ratio of system focal length, when in range, Performance of Optical System is helped to improve.
The radius of curvature for defining the third lens L3 object side is R5, the radius of curvature of the third lens L3 image side surface
For R6, -15.00≤(R5+R6)/(R5-R6)≤- 8.00.The shape for defining the third lens L3, when in range, Ke Yihuan
The deviation degree for passing through eyeglass with light, effectively reduces aberration.
It defines on the axis of the 5th lens L5 with a thickness of d9, the image side surface of the 5th lens L5 to the 6th lens
Distance is d10,1.50≤d9/d10≤3.50 on the axis of the object side of L6.Define the 5th lens L5 thickness and the described 5th thoroughly
The ratio of distance, when in range, facilitates eyeglass on the image side surface of mirror L5 to the axis of the object side of the 6th lens L6
The assembling of processing and camera lens.
The radius of curvature for defining the 4th lens L4 object side is R7, the radius of curvature of the 4th lens L4 image side surface
For R8,5.00≤(R7+R8)/(R7-R8)≤10.00.The shape of the 4th lens L4 is defined, optical system can be effectively corrected
Aberration caused by the three pieces eyeglass of front.
When thickness on the focal length of camera optical camera lens 10 of the present invention, the focal length of each lens, axis and radius of curvature meet
When above-mentioned relation formula, it can make videography optical lens head 10 that there is high-performance, and meet the design requirement of low TTL.
The focal length of the first lens L1 is f1, meets following relationship: 0.45≤f1/f≤1.43.Define first thoroughly
The positive refracting power of mirror L1 and the ratio of whole focal length.When within the limits prescribed, the first lens have positive refracting power appropriate, have
Conducive to reduction system aberration, while being conducive to camera lens and developing to ultrathin, wide angle.
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: -3.58≤(R1+R2)/(R1-R2)≤- 1.10 rationally controls the shape of the first lens, the first lens is had
Effect ground correction system spherical aberration.
With a thickness of d1 on the axis of first lens L1, the optics overall length of camera optical camera lens is TTL, meets following relationship:
0.07≤d1/TTL≤0.25 is advantageously implemented ultrathin.
Second lens L2 focal length f2, meets following relationship: -5.48≤f2/f≤- 1.65, by by the second lens L2's
Negative power control is conducive to the aberration for correcting optical system in zone of reasonableness.
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: 1.76≤(R3+R4)/(R3-R4)≤5.70 is, it is specified that the shape of the second lens L2, when in range, with camera lens to
Ultra-thin wide angle development is conducive to the axis colouring Aberration Problem that makes corrections.
The optics overall length of the camera optical camera lens is defined for TTL, with a thickness of d3 on the axis of the second lens L2, and completely
Sufficient following relationship: 0.02≤d3/TTL≤0.08 is advantageously implemented ultrathin.
The optics overall length of the camera optical camera lens is defined for TTL, with a thickness of d5 on the axis of the third lens L3, and completely
Sufficient following relationship: 0.03≤d5/TTL≤0.10 is advantageously implemented ultrathin.
The optics overall length of the camera optical camera lens is defined for TTL, with a thickness of d7 on the axis of the 4th lens L4, and completely
Sufficient following relationship: 0.03≤d7/TTL≤0.10 is advantageously implemented ultrathin.
5th lens L5 focal length f5, meets following relationship: 0.33≤f5/f≤1.02, can to the restriction of the 5th lens L5
Effectively make the light angle of pick-up lens gentle, reduces tolerance sensitivities.
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: 0.20≤(R9+R10)/(R9-R10)≤1.32, it is specified that be the 5th lens L5 shape, when in 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 conducive to make corrections.
With a thickness of d9 on the axis of 5th lens L5, meet following relationship: 0.07≤d9/TTL≤0.25 is advantageously implemented
Ultrathin.
6th lens L6 focal length f6 meets following relationship: -1.12≤f6/f≤- 0.35, passes through rationally dividing for focal power
Match, so that system has preferable image quality and lower sensibility.
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: 0.11≤(R11+R12)/(R11-R12)≤0.65, it is specified that be the 6th lens L6 shape, in condition and range
When, as ultra-thin wide angle develops, be conducive to the problems such as drawing the aberration at angle outside correction axis.
In present embodiment, the optics overall length of camera optical camera lens 10 is TTL, and the image height of camera optical camera lens 10 is IH,
Meet following relationship: TTL/IH≤1.45 are advantageously implemented ultrathin.
In present embodiment, the aperture F number of the camera optical camera lens is FNO, and meets following relationship: FNO≤
1.76, it is advantageously implemented large aperture, so that imaging performance is good.
When meeting above-mentioned relation, so that camera optical camera lens 10 realizes while with good optical imaging performance,
Also it is able to satisfy the design requirement of large aperture, ultrathin；According to the characteristic of the optical lens 10, which is particularly suitable for
The mobile phone camera lens component and WEB pick-up lens being made of photographing elements such as CCD, CMOS of high pixel.
In addition, the surface of each lens can be set to aspheric in the camera optical camera lens 10 that present embodiment provides
Face, the aspherical shape for being easy to be fabricated to other than spherical surface, obtains more controlled variable, to cut down aberration, and then reduces saturating
The number that mirror uses, therefore the total length of camera optical camera lens 10 can be effectively reduced.In the present embodiment, each lens
Object side and image side surface are aspherical.
It is noted that due to the first lens L1, the second lens L2, the third lens L3, described
Four lens L4, the 5th lens L5 and the 6th lens L6 have foregoing structure and parameter relationship, therefore, camera shooting
Optical lens 10 can each power of lens of reasonable distribution, interval and shape, and therefore correct all kinds of aberrations.
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]
The meaning of each symbol is as follows in upper table.
R: the radius of curvature of optical surface is center radius of curvature when lens；
S1: aperture；
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；
R13: the radius of curvature of the object side of optical filtering piece GF；
R14: the radius of curvature of the image side surface of optical filtering piece GF；
D: distance on the axis on the axis of each lens between thickness or adjacent two 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 optical filtering piece GF；
D13: thickness on the axis of optical filtering piece GF；
D14: distance on the image side surface to the axis of image planes of optical filtering piece GF；
Nd: refractive index；
The refractive index of nd1: the first lens L1；
The refractive index of nd2: the second lens L2；
Nd3: the refractive index of the third lens L3；
The refractive index of nd4: the four lens L4；
The refractive index of nd5: the five lens L5；
The refractive index of the d line of nd6: the six lens L6；
Ndg: the refractive index of glass plate 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；
Vg: the Abbe number of glass plate GF.
[table 2]
In table 2, k is circular cone coefficient, and A4, A6, A8, A10, A12, A14, A16, A18, A20 are asphericity coefficients.
Y=(x2/R)/[1+{1-(k+1)(x2/R2)}1/2]+A4x4+A6x6+A8x8+A10x10+A12x12+A14x14+
A16x16+A18x18+A20x20 (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." point of inflexion position " field corresponding data is
Vertical range of the point of inflexion set by each lens surface to 10 optical axis of camera optical camera lens." stationary point position " field corresponding data
For stationary point set by each lens surface to the vertical range of 10 optical axis of camera optical camera lens.
[table 3]
[table 4]
| Stationary point number | Stationary point position 1 | Stationary point position 2 | |
| P1R1 | 0 | 0 | 0 |
| P1R2 | 1 | 1.175 | 0 |
| P2R1 | 0 | 0 | 0 |
| P2R2 | 0 | 0 | 0 |
| P3R1 | 1 | 0.645 | 0 |
| P3R2 | 1 | 0.515 | 0 |
| P4R1 | 1 | 0.395 | 0 |
| P4R2 | 1 | 0.525 | 0 |
| P5R1 | 1 | 0.545 | 0 |
| P5R2 | 0 | 0 | 0 |
| P6R1 | 2 | 2.555 | 3.035 |
| P6R2 | 1 | 1.425 | 0 |
Fig. 2, Fig. 3 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm to be implemented by first
Axial aberration and ratio chromatism, schematic diagram after the camera optical camera lens 10 of mode.Fig. 4 is then shown, and wavelength is 546nm's
The curvature of field and distortion schematic diagram after camera optical camera lens 10 of the light by first embodiment, the curvature of field S of Fig. 4 is sagitta of arc direction
The curvature of field, T are the curvature of field of meridian direction.
The table 13 occurred afterwards show in each embodiment one, two, three in various numerical value and conditional as defined in parameter institute
Corresponding 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 2.714mm, and full filed image height is 4mm, right
The field angle in linea angulata direction is 79.10 °, in this way, camera optical camera lens 10 has large aperture, ultra-thin, wide-angle, on axis, outside axis
Chromatic aberation sufficiently makes corrections, and has outstanding optical signature.
The following are embodiments two:
Fig. 5 is the structural schematic diagram of camera optical camera lens 20 in embodiment two, embodiment two and one base of embodiment
This is identical, and symbol meaning and embodiment one are also identical in following list, therefore details are not described herein again for identical part, below
Only list difference.
Table 5, table 6 show the design data of the camera optical camera lens 20 of embodiment of the present invention two.
[table 5]
[table 6]
Table 7, table 8 show the point of inflexion of each lens and stationary point design data in camera optical camera lens 20.
[table 7]
[table 8]
| Stationary point number | Stationary point position 1 | |
| P1R1 | 0 | 0 |
| P1R2 | 1 | 1.135 |
| P2R1 | 0 | 0 |
| P2R2 | 0 | 0 |
| P3R1 | 1 | 0.465 |
| P3R2 | 1 | 0.295 |
| P4R1 | 1 | 0.555 |
| P4R2 | 1 | 0.645 |
| P5R1 | 1 | 0.945 |
| P5R2 | 0 | 0 |
| P6R1 | 0 | 0 |
| P6R2 | 1 | 1.365 |
In addition, also listing various parameters in embodiment two in subsequent table 13 and joining with defined in conditional
The corresponding value of number.
Fig. 6, Fig. 7 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm to be implemented by second
Axial aberration and ratio chromatism, schematic diagram after the camera optical camera lens 20 of mode.Fig. 8 is then shown, and wavelength is 546nm's
The curvature of field and distortion schematic diagram after camera optical camera lens 20 of the light by second embodiment.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.714mm, and full filed image height is 4mm, right
The field angle in linea angulata direction is 79.20 °, in this way, camera optical camera lens 20 has large aperture, ultra-thin, wide-angle, on axis, outside axis
Chromatic aberation sufficiently makes corrections, and has outstanding optical signature.
The following are embodiments three:
Fig. 9 is the structural schematic diagram of camera optical camera lens 30 in embodiment three, embodiment three and one base of embodiment
This is identical, and symbol meaning and embodiment one are also identical in following list, therefore details are not described herein again for identical part, below
Only list difference.
Table 9, table 10 show the design data of the camera optical camera lens 30 of embodiment of the present invention three.
[table 9]
[table 10]
Table 11, table 12 show the point of inflexion of each lens and stationary point design data in camera optical camera lens 30.
[table 11]
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | Point of inflexion position 4 | |
| P1R1 | 1 | 1.315 | 0 | 0 | 0 |
| P1R2 | 1 | 0.845 | 0 | 0 | 0 |
| P2R1 | 0 | 0 | 0 | 0 | 0 |
| P2R2 | 0 | 0 | 0 | 0 | 0 |
| P3R1 | 2 | 0.275 | 1.115 | 0 | 0 |
| P3R2 | 2 | 0.155 | 1.235 | 0 | 0 |
| P4R1 | 1 | 0.235 | 0 | 0 | 0 |
| P4R2 | 4 | 0.285 | 1.255 | 1.635 | 1.775 |
| P5R1 | 2 | 0.845 | 2.015 | 0 | 0 |
| P5R2 | 3 | 0.915 | 1.295 | 2.485 | 0 |
| P6R1 | 2 | 1.505 | 3.135 | 0 | 0 |
| P6R2 | 3 | 0.615 | 2.815 | 3.355 | 0 |
[table 12]
In addition, also listing various parameters in embodiment three in subsequent table 13 and joining with defined in conditional
The corresponding value of number.
It is real by third that Figure 10, Figure 11 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm
Axial aberration and ratio chromatism, schematic diagram after applying the camera optical camera lens 30 of mode.Figure 12 is then shown, wavelength 546nm
Camera optical camera lens 30 of the light by third embodiment after the curvature of field and distortion schematic diagram.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.719mm, and full filed image height is 4mm, right
The field angle in linea angulata direction is 79.40 °, in this way, camera optical camera lens 30 has large aperture, ultra-thin, wide-angle, on axis, outside axis
Chromatic aberation sufficiently makes corrections, and has outstanding optical signature.
Following table 13 is according to the value of above-mentioned numerical value and other relevant parameters.
[table 13]
| Parameter and conditional | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| f | 4.750 | 4.750 | 4.759 |
| f1 | 4.298 | 4.522 | 4.329 |
| f2 | -13.015 | -12.232 | -11.797 |
| f3 | 144.399 | 280.374 | 202.358 |
| f4 | -45.208 | -31.508 | -41.190 |
| f5 | 3.104 | 3.219 | 3.222 |
| f6 | -2.468 | -2.657 | -2.530 |
| f12 | 5.581 | 6.231 | 5.943 |
| Fno | 1.75 | 1.75 | 1.75 |
| f3/f | 30.40 | 59.03 | 42.52 |
| f4/f | -9.52 | -6.63 | -8.66 |
| (R5+R6)/(R5-R6) | -14.89 | -11.86 | -8.18 |
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of camera optical camera lens, which is characterized in that the camera optical camera lens successively includes: to have just by object side to image side
First lens of refracting power, the second lens with negative refracting power, the third lens with positive refracting power, with negative refracting power
4th lens, the 5th lens with positive refracting power, and the 6th lens with negative refracting power；
Wherein, the focal length of the camera optical camera lens is f, and the focal length of the third lens is f3, the focal length of the 4th lens
For f4, 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, under satisfaction
Column relational expression:
30.00≤f3/f≤60.00；
-10.00≤f4/f≤-6.00；
-15.00≤(R5+R6)/(R5-R6)≤-8.00。
2. camera optical camera lens according to claim 1, which is characterized in that with a thickness of d9 on the axis of the 5th lens,
Distance is d10 on the axis of object side of the image side surface of 5th lens to the 6th lens, and meets following relationship:
1.50≤d9/d10≤3.50。
3. camera optical camera lens according to claim 1, which is characterized in that the radius of curvature of the 4th lens object side
Radius of curvature for R7, the 4th lens image side surface is R8, and meets following relationship:
5.00≤(R7+R8)/(R7-R8)≤10.00。
4. camera optical camera lens according to claim 1, which is characterized in that the focal length of first lens is f1, described
The radius of curvature of first lens object side is R1, the radius of curvature of the first lens image side surface be R2 and described first thoroughly
With a thickness of d1 on the axis of mirror, the optics overall length of the camera optical camera lens is TTL, and meets following relationship:
0.45≤f1/f≤1.43
-3.58≤(R1+R2)/(R1-R2)≤-1.10；
0.07≤d1/TTL≤0.25。
5. camera optical camera lens according to claim 1, which is characterized in that the focal length of second lens is f2, described
The radius of curvature of second lens object side is R3, and the radius of curvature of the second lens image side surface is R4, second lens
With a thickness of d3 on axis, the optics overall length of the camera optical camera lens is TTL, and meets following relationship:
-5.48≤f2/f≤-1.65；
1.76≤(R3+R4)/(R3-R4)≤5.70；
0.02≤d3/TTL≤0.08。
6. camera optical camera lens according to claim 1, which is characterized in that with a thickness of d5 on the axis of the third lens,
The optics overall length of the camera optical camera lens is TTL, and meets following relationship:
0.03≤d5/TTL≤0.10。
7. camera optical camera lens according to claim 1, which is characterized in that with a thickness of d7 on the axis of the 4th lens,
The optics overall length of the camera optical camera lens is TTL, and meets following relationship:
0.03≤d7/TTL≤0.10。
8. camera optical camera lens according to claim 1, which is characterized in that the focal length of the 5th lens is f5, described
The radius of curvature of 5th lens object side is R9, and the radius of curvature of the 5th lens image side surface is R10, the videography optical lens
The optics overall length of head is TTL, and meets following relationship:
0.33≤f5/f≤1.02；
0.20≤(R9+R10)/(R9-R10)≤1.32；
0.07≤d9/TTL≤0.25。
9. camera optical camera lens according to claim 1, which is characterized in that the focal length of the 6th lens is f6, described
The radius of curvature of 6th lens object side is R11, and the radius of curvature of the 6th lens image side surface is R12, and meets following pass
It is formula:
-1.12≤f6/f≤-0.35；
0.11≤(R11+R12)/(R11-R12)≤0.65。
10. camera optical camera lens according to claim 1, which is characterized in that the optics overall length of the camera optical camera lens
For TTL, the image height of the camera optical camera lens is IH, and the aperture F number of the camera optical camera lens is FNO, and meets following pass
It is formula:
TTL/IH≤1.45；
FNO≤1.76。
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