CN110297313A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN110297313A CN110297313A CN201910581576.4A CN201910581576A CN110297313A CN 110297313 A CN110297313 A CN 110297313A CN 201910581576 A CN201910581576 A CN 201910581576A CN 110297313 A CN110297313 A CN 110297313A
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- lens
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- camera optical
- optical camera
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Classifications
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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
-
- 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
Abstract
The present invention provides a kind of camera optical camera lens, the camera optical camera lens is 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 refracting power, the 4th lens with positive refracting power and with the 5th lens of negative refracting power；Wherein, with a thickness of d1 on the axis of first lens, the optics overall length of the camera optical camera lens is TTL, the Abbe number of first lens is v1, the Abbe number of 5th lens is v5, 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, meets following relationship: 0.20≤d1/TTL≤0.40；2.50≤v1/v5≤4.00；-1.00≤(R7+R8)/(R7-R8)≤1.00.The camera optical camera lens also meets the design requirement of large aperture, wide angle, ultrathin while with good optical property, and the first lens thickness is big, can on eyeglass design structure feature.
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, five chips
Lens arrangement occurs gradually in lens design, although five 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, and the first lens thickness is big, can on eyeglass design structure feature.
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
Camera lens is learned by object side to image side successively to include: the first lens with positive refracting power, the second lens with negative refracting power, have
The third lens of refracting power, the 4th lens with positive refracting power and with the 5th lens of negative refracting power；
Wherein, with a thickness of d1 on the axis of first lens, the optics overall length of the camera optical camera lens is TTL, described
The Abbe number of first lens is v1, and the Abbe number of the 5th lens is v5, and the radius of curvature of the 4th lens object side is
The radius of curvature of R7, the 4th lens image side surface are R8, meet following relationship:
0.20≤d1/TTL≤0.40；
2.50≤v1/v5≤4.00；
-1.00≤(R7+R8)/(R7-R8)≤1.00。
Preferably, on the axis of the third lens with a thickness of d5, the image side surface of the third lens to the object side of the 4th lens
Axis on distance be d6；Meet following relationship:
1.40≤d6/d5≤3.00。
Preferably, the focal length of the camera optical camera lens entirety is f, and the focal length of first lens is f1, is met following
Relational expression:
0.70≤f1/f≤1.30。
Preferably, the radius of curvature of the first lens object side is R1, the radius of curvature of the first lens image side surface
For R2, and meet following relationship:
-2.30≤(R1+R2)/(R1-R2)≤-0.16。
Preferably, the focal length of the camera optical camera lens entirety is f, and the focal lengths of second lens is f2, described second
The radius of curvature of lens object side is R3, and the radius of curvature of the second lens image side surface is R4, on the axis of second lens
With a thickness of d3, and meet following relationship:
-59.62≤f2/f≤-1.37；
-45.68≤(R3+R4)/(R3-R4)≤32.53；
0.02≤d3/TTL≤0.08。
Preferably, the focal length of the camera optical camera lens entirety is f, and the focal length of the third lens is f3, the third
The radius of curvature of the object side of lens is R5, and the radius of curvature of the image side surface of the third lens is R6, the third lens
With a thickness of d5 on axis, and meet following relationship:
-11.63≤f3/f≤12.90；
-1114.00≤(R5+R6)/(R5-R6)≤14.67；
0.02≤d5/TTL≤0.09。
Preferably, the focal length of the 4th lens is f4, and the focal length of camera optical camera lens entirety is f, the described 4th
With a thickness of d7 on the axis of lens picture, and meet following relationship:
0.31≤f4/f≤5.91；
0.04≤d7/TTL≤0.30。
Preferably, the focal length of the 5th lens is f5, and the focal length of camera optical camera lens entirety is f, the described 5th
The radius of curvature of lens object side is R9, and the radius of curvature of the 5th lens image side surface is R10, on the axis of the 5th lens
With a thickness of d9, and meet following relationship:
-1.85≤f5/f≤-0.29；
0.44≤(R9+R10)/(R9-R10)≤5.89；
0.03≤d9/TTL≤0.16。
Preferably, the image height of the camera optical camera lens is IH, and meets following relationship:
TTL/IH≤1.70。
Preferably, the field angle of the camera optical camera lens is FOV, and the burnt number of the camera optical camera lens is Fno, and full
Sufficient following relationship:
FOV≥75；
Fno≤2.20。
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；
Figure 13 is the structural schematic diagram of the camera optical camera lens of embodiment four；
Figure 14 is the axial aberration schematic diagram of camera optical camera lens shown in Figure 13；
Figure 15 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Figure 13；
Figure 16 is the curvature of field of camera optical camera lens shown in Figure 13 and distortion schematic diagram；
Figure 17 is the structural schematic diagram of the camera optical camera lens of embodiment five；
Figure 18 is the axial aberration schematic diagram of camera optical camera lens shown in Figure 17；
Figure 19 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Figure 17；
Figure 20 is the curvature of field of camera optical camera lens shown in Figure 17 and distortion schematic diagram.
[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 five lens of coaxial arrangement, successively from object side to image side
The first lens L1 including aperture S1, with positive refracting power, the second lens L2 with negative refracting power, with the third of refracting power
Lens L3, the 4th lens L4 with positive refracting power and with the 5th lens L5 of negative refracting power.In the object side of the first lens L1
Face is additionally provided with aperture S1, and glass plate GF is equipped between the 5th lens L5 and image planes Si, and glass plate GF can be glass cover-plate,
It is also possible to optical filtering piece.
It defines on the axis of first lens with a thickness of d1, the optics overall length of the camera optical camera lens is TTL, under satisfaction
Column relational expression: 0.20≤d1/TTL≤0.40, it is specified that on the axis of the first lens thickness and camera optical camera lens optics overall length
Ratio, the first lens in range are conducive to system assembly convenient for structure design.
The Abbe number for defining the first lens L1 is v1, and the Abbe number of the 5th lens L5 is v5, meets following pass
Be formula: 2.50≤v1/v5≤4.00, it is specified that the Abbe number of the Abbe number and the 5th lens L5 of the first lens L1 ratio, it is full
The system of sufficient condition can effective correcting chromatic aberration.
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, meet following relationship: -1.00≤(R7+R8)/(R7-R8)≤1.00, it is specified that the shape of the 4th lens L4,
In conditional prescribed limit, the deviation degree that light passes through eyeglass can be mitigated, aberration is effectively reduced.
In the present embodiment, with a thickness of d5 on the axis of the third lens L3, the image side surface of the third lens L3 is arrived
Distance is d6 on the axis of the object side of the 4th lens L4；Meet following relationship: 1.40≤d6/d5≤3.00, it is specified that
The ratio of the thickness of airspace distance and the third lens L3 between the third lens L3 and the 4th lens L4, in item
Facilitate the processing of eyeglass and the assembling of camera lens within the scope of part formula.
In the present embodiment, the focal length of the camera optical camera lens entirety is f, and the focal length of the first lens L1 is
F1 meets following relationship: 0.70≤f1/f≤1.30, when f1/f meets condition, can effectively distribute the first lens L1
Focal power, the aberration of optical system is corrected, so promoted image quality.
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.
The radius of curvature of first lens L1 object side is R1, and the radius of curvature of the first lens L1 image side surface is
R2 meets following relationship: -2.30≤(R1+R2)/(R1-R2)≤- 0.16, rationally controls the shape of the first lens L1,
The first lens L1 is enabled effectively to correct system spherical aberration.
The focal length of second lens is f2, meets following relationship: -59.62≤f 2/f≤- 1.37, by will be described
The negative power control of second lens L2 is conducive to the aberration for correcting optical system in zone of reasonableness.
The radius of curvature of the second lens L2 mirror object side is R3, and the radius of curvature of the second lens L2 image side surface is
R4 meets following relationship: -45.68≤(R3+R4)/(R3-R4)≤32.53.The shape of the second lens L2 is defined,
When in range, as camera lens develops to ultra-thin wide angle, be 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 focal length of the third lens L3 is f3, and meet following relationship: -11.63≤f3/f≤12.90 pass through light focus
The reasonable distribution of degree, so that system has preferable image quality and lower sensibility.
The focal length of the third lens L3 is f3, and the radius of curvature of the object side of the third lens L3 is R5, described the
The radius of curvature of the image side surface of three lens L3 is R6, meets following relationship: -1114.00≤(R5+R6)/(R5-R6)≤
14.67, the shape of the third lens L3 can be effectively controlled, be conducive to the third lens L3 molding, and avoid because of described the
The surface curvature of three lens L3 is excessive and causes to form the generation of bad and stress.
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: 0.02≤d5/TTL≤0.09 is advantageously implemented ultrathin.
The focal length of the 4th lens L4 is f4, and meet following relationship: 0.31≤f4/f≤5.91 pass through focal power
Reasonable distribution, so that system has preferable image quality and lower sensibility.
With a thickness of d7 on the axis of the 4th lens L4, meet following relationship: 0.04≤d7/TTL≤0.30 is conducive to
Realize ultrathin.
The focal length of the 5th lens L5 is f5, meets following relationship: -1.85≤f5/f≤- 0.29, to the 5th lens
The restriction of L5 can effectively make the light angle of pick-up lens gentle, reduce tolerance sensitivities.
The radius of curvature of the 5th lens L5 object side is R9, and the radius of curvature of the 5th lens image side surface is R10,
Meet following relationship: 0.44≤(R9+R10)/(R9-R10)≤5.89, it is specified that be the 5th lens L5 shape, in condition
When in range, as ultra-thin wide angle develops, be conducive to the problems such as drawing the aberration at angle outside correction axis.
With a thickness of d9 on the axis of the 5th lens L5, meet following relationship: 0.03≤d9/TTL≤0.16 is conducive to
Realize ultrathin.
In present embodiment, the optics overall length of the camera optical camera lens is TTL, and the image height of the camera optical camera lens is
IH, and meet following relationship: TTL/IH≤1.70 are advantageously implemented ultrathin.
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.
In present embodiment, the field angle of the camera optical camera lens diagonal is FOV, and meets following relationship
Formula: FOV >=75 are advantageously implemented wide angle.
In present embodiment, the burnt number of the camera optical camera lens is Fno, and meets following relationship: Fno≤2.20,
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 and the 5th lens L5 have foregoing structure and parameter relationship, and therefore, camera optical camera 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: optics overall 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 R11: glass plate GF object side；
R12: the radius of curvature of the image side surface of glass plate 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 glass plate GF；
D11: thickness on the axis of glass plate GF；
D12: distance on the axis of the image side surface of glass plate GF to image planes Si；
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 ndg: glass plate GF d line；
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；
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." point of inflexion position " field corresponding data is the point of inflexion set by each lens surface to 10 optical axis of camera optical camera lens
Vertical range." stationary point position " field corresponding data is stationary point set by each lens surface to 10 optical axis of camera optical camera lens
Vertical range.
[table 3]
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | Point of inflexion position 4 | Point of inflexion position 5 | |
| P1R1 | 1 | 0.835 | 0 | 0 | 0 | 0 |
| P1R2 | 0 | 0 | 0 | 0 | 0 | 0 |
| P2R1 | 3 | 0.085 | 0.205 | 0.545 | 0 | 0 |
| P2R2 | 0 | 0 | 0 | 0 | 0 | 0 |
| P3R1 | 1 | 0.825 | 0 | 0 | 0 | 0 |
| P3R2 | 1 | 0.915 | 0 | 0 | 0 | 0 |
| P4R1 | 2 | 0.885 | 1.615 | 0 | 0 | 0 |
| P4R2 | 5 | 0.525 | 1.025 | 1.805 | 1.865 | 1.955 |
| P5R1 | 2 | 1.395 | 2.355 | 0 | 0 | 0 |
| P5R2 | 3 | 0.435 | 2.195 | 2.525 | 0 | 0 |
[table 4]
| Stationary point number | Stationary point position 1 | Stationary point position 2 | Stationary point position 3 | |
| P1R1 | 0 | 0 | 0 | 0 |
| P1R2 | 0 | 0 | 0 | 0 |
| P2R1 | 3 | 0.155 | 0.245 | 0.695 |
| P2R2 | 0 | 0 | 0 | 0 |
| P3R1 | 1 | 1.155 | 0 | 0 |
| P3R2 | 1 | 1.405 | 0 | 0 |
| P4R1 | 1 | 1.165 | 0 | 0 |
| P4R2 | 0 | 0 | 0 | 0 |
| P5R1 | 1 | 2.115 | 0 | 0 |
| P5R2 | 1 | 1.165 | 0 | 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 21 occurred afterwards show in each embodiment one, two, three, four, five in various numerical value and conditional as defined in
Value corresponding to parameter.
As shown in table 21, first embodiment meets each conditional.
In the present embodiment, the Entry pupil diameters ENPD of the camera optical camera lens is 1.701mm, and full filed image height IH is
3.282mm, the field angle FOV of diagonal are 80.00 °, in this way, camera optical camera lens 10 has large aperture, ultra-thin, wide
Angle, on axis, the outer chromatic aberation of axis 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]
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | Point of inflexion position 4 | Point of inflexion position 5 | |
| P1R1 | 0 | 0 | 0 | 0 | 0 | 0 |
| P1R2 | 0 | 0 | 0 | 0 | 0 | 0 |
| P2R1 | 2 | 0.155 | 0.525 | 0 | 0 | 0 |
| P2R2 | 0 | 0 | 0 | 0 | 0 | 0 |
| P3R1 | 1 | 0.725 | 0 | 0 | 0 | 0 |
| P3R2 | 1 | 0.845 | 0 | 0 | 0 | 0 |
| P4R1 | 1 | 0.505 | 0 | 0 | 0 | 0 |
| P4R2 | 4 | 0.735 | 1.155 | 1.645 | 1.725 | 0 |
| P5R1 | 5 | 0.195 | 0.905 | 1.425 | 1.675 | 2.095 |
| P5R2 | 3 | 0.365 | 2.085 | 2.205 | 0 | 0 |
[table 8]
In addition, also listing various parameters in embodiment two in subsequent table 21 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 and pass through camera optical
Axial aberration and ratio chromatism, schematic diagram after camera lens 20.Fig. 8 is then shown, and the light that wavelength is 546nm passes through camera optical
The curvature of field and distortion schematic diagram after camera lens 20.The curvature of field S of Fig. 8 is the curvature of field in sagitta of arc direction, and T is the curvature of field of meridian direction.
In the present embodiment, the Entry pupil diameters ENPD of the camera optical camera lens is 1.488mm, and full filed image height IH is
2.590mm, the field angle FOV of diagonal are 75.00 °, in this way, camera optical camera lens 20 has large aperture, ultra-thin, wide
Angle, on axis, the outer chromatic aberation of axis 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]
[table 12]
| Stationary point number | Stationary point position 1 | |
| P1R1 | 0 | 0 |
| P1R2 | 0 | 0 |
| P2R1 | 1 | 0.815 |
| P2R2 | 1 | 0.555 |
| P3R1 | 1 | 0.955 |
| P3R2 | 1 | 1.305 |
| P4R1 | 1 | 0.755 |
| P4R2 | 0 | 0 |
| P5R1 | 1 | 2.285 |
| P5R2 | 1 | 1.205 |
In addition, also listing various parameters in embodiment three in subsequent table 21 and joining with defined in conditional
The corresponding value of number.
Figure 10, Figure 11 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm and pass through shooting light
Axial aberration and ratio chromatism, schematic diagram after learning camera lens 30.Figure 12 is then shown, and the light that wavelength is 546nm passes through shooting light
The curvature of field and distortion schematic diagram after learning camera lens 30.The curvature of field S of Figure 12 is the curvature of field in sagitta of arc direction, and T is the curvature of field of meridian direction.
In the present embodiment, the Entry pupil diameters ENPD of the camera optical camera lens is 1.718mm, and full filed image height IH is
3.282mm, the field angle FOV of diagonal are 79.80 °, in this way, camera optical camera lens 30 has large aperture, ultra-thin, wide
Angle, on axis, the outer chromatic aberation of axis sufficiently makes corrections, and has outstanding optical signature.
The following are embodiments four:
Figure 13 is the structural schematic diagram of camera optical camera lens 40 in embodiment four, embodiment four 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 13, table 14 show the design data of the camera optical camera lens 40 of embodiment of the present invention four.
[table 13]
[table 14]
Table 15, table 16 show the point of inflexion of each lens and stationary point design data in camera optical camera lens 40.
[table 15]
[table 16]
| Stationary point number | Stationary point position 1 | Stationary point position 2 | |
| P1R1 | 0 | 0 | 0 |
| P1R2 | 1 | 0.435 | |
| P2R1 | 0 | 0 | 0 |
| P2R2 | 1 | 0.925 | 0 |
| P3R1 | 1 | 1.015 | 0 |
| P3R2 | 1 | 1.115 | 0 |
| P4R1 | 1 | 0.825 | 0 |
| P4R2 | 2 | 0.245 | 1.375 |
| P5R1 | 1 | 0.855 | 0 |
| P5R2 | 1 | 1.165 | 0 |
In addition, also listing various parameters in embodiment four in subsequent table 21 and joining with defined in conditional
The corresponding value of number.
Figure 14, Figure 15 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm and pass through shooting light
Axial aberration and ratio chromatism, schematic diagram after learning camera lens 40.Figure 16 is then shown, and the light that wavelength is 546nm passes through shooting light
The curvature of field and distortion schematic diagram after learning camera lens 40.The curvature of field S of Figure 16 is the curvature of field in sagitta of arc direction, and T is the curvature of field of meridian direction.
In the present embodiment, the Entry pupil diameters ENPD of the camera optical camera lens is 1.695mm, and full filed image height IH is
2.954mm, the field angle FOV of diagonal are 75.00 °, in this way, camera optical camera lens 40 has large aperture, ultra-thin, wide
Angle, on axis, the outer chromatic aberation of axis sufficiently makes corrections, and has outstanding optical signature.
The following are embodiments five:
Figure 17 is the structural schematic diagram of camera optical camera lens 50 in embodiment five, embodiment five 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 17, table 18 show the design data of the camera optical camera lens 50 of embodiment of the present invention five.
[table 17]
[table 18]
Table 19, table 20 show the point of inflexion of each lens and stationary point design data in camera optical camera lens 50.
[table 19]
| 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 | 0.775 | 0 | 0 | 0 |
| P1R2 | 0 | 0 | 0 | 0 | 0 |
| P2R1 | 2 | 0.155 | 0.585 | 0 | 0 |
| P2R2 | 0 | 0 | 0 | 0 | 0 |
| P3R1 | 1 | 0.835 | 0 | 0 | 0 |
| P3R2 | 1 | 0.895 | 0 | 0 | 0 |
| P4R1 | 2 | 0.665 | 1.615 | 0 | 0 |
| P4R2 | 4 | 0.065 | 0.555 | 1.775 | 1.935 |
| P5R1 | 3 | 0.305 | 1.385 | 2.255 | 0 |
| P5R2 | 3 | 0.405 | 2.415 | 2.435 | 0 |
[table 20]
In addition, also listing various parameters in embodiment five in subsequent table 21 and joining with defined in conditional
The corresponding value of number.
Figure 18, Figure 19 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm and pass through shooting light
Axial aberration and ratio chromatism, schematic diagram after learning camera lens 50.Figure 20 is then shown, and the light that wavelength is 546nm passes through shooting light
The curvature of field and distortion schematic diagram after learning camera lens 50.The curvature of field S of Figure 20 is the curvature of field in sagitta of arc direction, and T is the curvature of field of meridian direction.
In the present embodiment, the Entry pupil diameters ENPD of the camera optical camera lens is 1.718mm, and full filed image height IH is
3.282mm, the field angle FOV of diagonal are 79.60 °, in this way, camera optical camera lens 50 has large aperture, ultra-thin, wide
Angle, on axis, the outer chromatic aberation of axis sufficiently makes corrections, and has outstanding optical signature.
Following table 21 is according to the value of above-mentioned numerical value and other relevant parameters.
[table 21]
| Parameter and conditional | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| f | 3.743 | 3.273 | 3.780 | 3.730 | 3.780 |
| f1 | 3.598 | 2.936 | 2.697 | 3.777 | 4.730 |
| f2 | -9.956 | -29.477 | -7.749 | -111.185 | -112.643 |
| f3 | 32.195 | -7.319 | -21.990 | 22.878 | 32.000 |
| f4 | 3.103 | 2.983 | 2.348 | 14.687 | 8.373 |
| f5 | -2.010 | -2.212 | -1.639 | -3.385 | -3.488 |
| f12 | 4.952 | 3.149 | 3.828 | 3.926 | 4.813 |
| Fno | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 |
| d1/TTL | 0.30 | 0.33 | 0.20 | 0.38 | 0.28 |
| v1/v5 | 2.53 | 3.64 | 3.15 | 3.98 | 2.72 |
| (R7+R8)/(R7-R8) | 0.55 | -0.16 | 0.97 | 0.82 | -0.96 |
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 refracting power, with positive refracting power
Four lens and the 5th lens with negative refracting power；
Wherein, on the axis of first lens with a thickness of d1, the optics overall length of the camera optical camera lens is TTL, described first
The Abbe number of lens is v1, and the Abbe number of the 5th lens is v5, and the radius of curvature of the 4th lens object side is R7, institute
The radius of curvature for stating the 4th lens image side surface is R8, meets following relationship:
0.20≤d1/TTL≤0.40；
2.50≤v1/v5≤4.00；
-1.00≤(R7+R8)/(R7-R8)≤1.00。
2. 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,
Distance is d6 on the image side surface of the third lens to the axis of the object side of the 4th lens；Meet following relationship:
1.40≤d6/d5≤3.00。
3. camera optical camera lens according to claim 1, which is characterized in that the focal length of the camera optical camera lens entirety is
The focal length of f, first lens are f1, meet following relationship:
0.70≤f1/f≤1.30。
4. camera optical camera lens according to claim 1, which is characterized in that the radius of curvature of the first lens object side
Radius of curvature for R1, the first lens image side surface is R2, and meets following relationship:
-2.30≤(R1+R2)/(R1-R2)≤-0.16。
5. camera optical camera lens according to claim 1, which is characterized in that the focal length of the camera optical camera lens entirety is
F, the focal length of second lens are f2, and the radius of curvature of the second lens object side is R3, the second lens image side surface
Radius of curvature be R4, with a thickness of d3 on the axis of second lens, and meet following relationship:
-59.62≤f2/f≤-1.37；
-45.68≤(R3+R4)/(R3-R4)≤32.53；
0.02≤d3/TTL≤0.08。
6. camera optical camera lens according to claim 1, which is characterized in that the focal length of the camera optical camera lens entirety is
F, the focal length of the third lens are f3, and the radius of curvature of the object side of the third lens is R5, the picture of the third lens
The radius of curvature of side is R6, with a thickness of d5 on the axis of the third lens, and meets following relationship:
-11.63≤f3/f≤12.90；
-1114.00≤(R5+R6)/(R5-R6)≤14.67；
0.02≤d5/TTL≤0.09。
7. camera optical camera lens according to claim 1, which is characterized in that the focal length of the 4th lens is f4, described
The focal length of camera optical camera lens entirety is f, with a thickness of d7 on the axis of the 4th lens picture, and meets following relationship:
0.31≤f4/f≤5.91；
0.04≤d7/TTL≤0.30。
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 focal length of camera optical camera lens entirety is f, and the radius of curvature of the 5th lens object side is R9, the 5th lens image side surface
Radius of curvature be R10, with a thickness of d9 on the axis of the 5th lens, and meet following relationship:
-1.85≤f5/f≤-0.29；
0.44≤(R9+R10)/(R9-R10)≤5.89；
0.03≤d9/TTL≤0.16。
9. camera optical camera lens according to claim 1, which is characterized in that the image height of the camera optical camera lens is IH,
And meet following relationship: TTL/IH≤1.70.
10. camera optical camera lens according to claim 1, which is characterized in that the field angle of the camera optical camera lens is
The burnt number of FOV, the camera optical camera lens are Fno, and meet following relationship:
FOV≥75；
Fno≤2.20。
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| CN111736305A (en) * | 2020-07-20 | 2020-10-02 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| CN111736320A (en) * | 2020-08-26 | 2020-10-02 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| WO2021108971A1 (en) * | 2019-12-03 | 2021-06-10 | 南昌欧菲精密光学制品有限公司 | Optical imaging system, image capturing module, and electronic device |
| US11487089B2 (en) | 2020-01-16 | 2022-11-01 | Largan Precision Co., Ltd. | Image capturing optical lens assembly including five lenses of +−++− or +−−+− refractive powers, imaging apparatus and electronic device |
| JP7396918B2 (en) | 2020-02-12 | 2023-12-12 | 東京晨美光学電子株式会社 | imaging lens |
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