CN107422465A - Optical imagery eyeglass group - Google Patents
Optical imagery eyeglass group Download PDFInfo
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- CN107422465A CN107422465A CN201710865794.1A CN201710865794A CN107422465A CN 107422465 A CN107422465 A CN 107422465A CN 201710865794 A CN201710865794 A CN 201710865794A CN 107422465 A CN107422465 A CN 107422465A
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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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Abstract
This application discloses a kind of optical imagery eyeglass group, included successively by thing side to image side：The first lens with positive light coke, its thing side are convex surface；The second lens with negative power, its thing side are convex surface, and image side surface is concave surface；The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；The 4th lens with focal power, its thing side are concave surface；The 5th lens with focal power；The 6th lens with focal power；The 7th lens with negative power, its image side surface are concave surface；Wherein, meet to meet f7/f≤1.0 between f/EPD≤1.7, and the effective focal length f7 of the 7th lens and the effective focal length f of optical imagery eyeglass group between the effective focal length f of optical imagery eyeglass group and the Entry pupil diameters EPD of optical imagery eyeglass group.The optical imagery eyeglass group of the application is applied to portable type electronic product, has large aperture, good image quality and low sensitivity.
Description
Technical field
The present invention relates to a kind of optical imagery eyeglass group, more particularly to the optical imagery eyeglass being made up of seven eyeglasses
Group.
Background technology
With the development of science and technology, market gradually increases to the demand of the pick-up lens suitable for portable type electronic product
Greatly.Portable type electronic product is increasingly intended to minimize, which has limited the overall length of camera lens, so as to add the design of camera lens hardly possible
Degree.The conventional photo-sensitive cell of optical system has charge coupled device and complementary metal oxide semiconductor element at present.With this
The raising of a little conventional photo-sensitive cell performances and size reduce, high image quality and miniaturization to the pick-up lens used that matches
Propose corresponding requirement.
In order to meet the requirement of miniaturization, the F numbers that existing camera lens generally configures realize that camera lens subtracts 2.0 or more than 2.0
With good optical property while small size.But with the continuous development of the portable type electronic products such as smart mobile phone, it is right
Imaging lens propose higher requirement, situations such as especially for insufficient light (such as rainy days, dusk), hand shaking, so
2.0 or more than 2.0 F numbers can not meet the imaging requirements of higher order.
Therefore, the present invention proposes one kind and is applicable to portable type electronic product, has large aperture, good image quality
And the optical system of low sensitivity.
The content of the invention
In order to solve at least some problems of the prior art, the invention provides a kind of optical imagery eyeglass group.
One aspect of the present invention provides a kind of optical imagery eyeglass group, is included successively by thing side to image side：With just
First lens of focal power, its thing side are convex surface；The second lens with negative power, its thing side are convex surface, image side surface
For concave surface；The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；The 4th with focal power is saturating
Mirror, its thing side are concave surface；The 5th lens with focal power；The 6th lens with focal power；With negative power
Seven lens, its image side surface are concave surface；Wherein, the effective focal length f of optical imagery eyeglass group and the entrance pupil of optical imagery eyeglass group are straight
Meet f/EPD≤1.7 between the EPD of footpath, and the effective focal length f7 of the 7th lens and optical imagery eyeglass group effective focal length f it
Between meet f7/f≤- 1.0.
According to an embodiment of the invention, the effective focal length f1 of the first lens and the effective focal length f7 of the 7th lens it
Between meet：-1.5<f1/f7<-0.5.
According to an embodiment of the invention, the curvature half of the effective focal length f1 of the first lens and the first lens image side surface
Meet between the R2 of footpath：0.5<f1/R2<1.5.
According to an embodiment of the invention, spacing T45 and first is saturating on the axle between the 4th lens and the 5th lens
Meet on axle between mirror and the second lens between spacing T12：5<T45/T12<11.
According to an embodiment of the invention, the effective focal length f1 of the first lens and effective Jiao of optical imagery eyeglass group
Away from meeting between f：1<f1/f<2.
According to an embodiment of the invention, the curvature half of the effective focal length f2 of the second lens and the second lens image side surface
Meet between the R4 of footpath：-6<f2/R4<-4.
According to an embodiment of the invention, the airspace T12 and of the first lens and the second lens on optical axis
Six lens and the 7th lens meet between the airspace T67 on optical axis：10<T67/T12<15.
According to an embodiment of the invention, the effective focal length f of optical imagery eyeglass group and the center of the 3rd lens are thick
Meet between degree CT3：5<f/CT3<9.
According to an embodiment of the invention, the effective focal length f4 of optical imagery eyeglass group and the 4th lens thing side
Meet between radius of curvature R 7：-1≤f4/R7≤1.5.
According to an embodiment of the invention, the effective focal length f2 of the second lens and the effective focal length f7 of the 7th lens it
Between meet：1<f2/f7<2.
One aspect of the present invention provides a kind of optical imagery eyeglass group, is included successively by thing side to image side：With just
First lens of focal power, its thing side are convex surface；The second lens with negative power, its thing side are convex surface, image side surface
For concave surface；The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；The 4th with focal power is saturating
Mirror, its thing side are concave surface；The 5th lens with focal power；The 6th lens with focal power；With negative power
Seven lens, its image side surface are concave surface；Wherein, the airspace T12 and the 6th lens of the first lens and the second lens on optical axis
And the 7th meet between airspace T67 of the lens on optical axis：10<T67/T12<15, and first lens is effective
Meet between the effective focal length f7 of focal length f1 and the 7th lens：-1.5<f1/f7<-0.5.
The one side of invention provides a kind of optical imagery eyeglass group, is included successively by thing side to image side：With positive light
First lens of focal power, its thing side are convex surface；The second lens with negative power, its thing side are convex surface, and image side surface is
Concave surface；The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；The 4th lens with focal power,
Its thing side is concave surface；The 5th lens with focal power；The 6th lens with focal power；The 7th with negative power is saturating
Mirror, its image side surface are concave surface；Wherein, between the effective focal length f7 of the effective focal length f1 of first lens and the 7th lens
Meet：-1.5<f1/f7<-0.5.
The one side of invention provides a kind of optical imagery eyeglass group, is included successively by thing side to image side：With positive light
First lens of focal power, its thing side are convex surface；The second lens with negative power, its thing side are convex surface, and image side surface is
Concave surface；The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；The 4th lens with focal power,
Its thing side is concave surface；The 5th lens with focal power；The 6th lens with focal power；The 7th with negative power is saturating
Mirror, its image side surface are concave surface；Wherein, the effective focal length f1 of first lens and the first lens image side surface radius of curvature
Meet between R2：0.5<f1/R2<1.5.
The one side of invention provides a kind of optical imagery eyeglass group, is included successively by thing side to image side：With positive light
First lens of focal power, its thing side are convex surface；The second lens with negative power, its thing side are convex surface, and image side surface is
Concave surface；The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；The 4th lens with focal power,
Its thing side is concave surface；The 5th lens with focal power；The 6th lens with focal power；The 7th with negative power is saturating
Mirror, its image side surface are concave surface；Wherein, spacing T45 and described first on the axle between the 4th lens and the 5th lens
Meet on axle between lens and second lens between spacing T12：5<T45/T12<11.
Portable type electronic product is applied to according to the optical imagery eyeglass group of the present invention, there is large aperture, good imaging
Quality and low sensitivity.
Brief description of the drawings
With reference to accompanying drawing, by the detailed description of following non-limiting embodiment, further feature of the invention, purpose and excellent
Point will be apparent.In the accompanying drawings：
Fig. 1 shows the structural representation of the optical imagery eyeglass group of embodiment 1；
Fig. 2 to Fig. 5 respectively illustrates chromatic curve on the axle of the optical imagery eyeglass group of embodiment 1, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 6 shows the structural representation of the optical imagery eyeglass group of embodiment 2；
Fig. 7 to Figure 10 respectively illustrates chromatic curve on the axle of the optical imagery eyeglass group of embodiment 2, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 11 shows the structural representation of the optical imagery eyeglass group of embodiment 3；
Figure 12 to Figure 15 respectively illustrates chromatic curve on the axle of the optical imagery eyeglass group of embodiment 3, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 16 shows the structural representation of the optical imagery eyeglass group of embodiment 4；
Figure 17 to Figure 20 respectively illustrates chromatic curve on the axle of the optical imagery eyeglass group of embodiment 4, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 21 shows the structural representation of the optical imagery eyeglass group of embodiment 5；
Figure 22 to Figure 25 respectively illustrates chromatic curve on the axle of the optical imagery eyeglass group of embodiment 5, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 26 shows the structural representation of the optical imagery eyeglass group of embodiment 6；
Figure 27 to Figure 30 respectively illustrates chromatic curve on the axle of the optical imagery eyeglass group of embodiment 6, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 31 shows the structural representation of the optical imagery eyeglass group of embodiment 7；And
Figure 32 to Figure 35 respectively illustrates chromatic curve on the axle of the optical imagery eyeglass group of embodiment 7, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Be easy to describe, illustrate only in accompanying drawing to about the related part of invention.
It should be understood that in this application, when element or layer be described as be in another element or layer " on ", " being connected to " or
When " being attached to " another element or layer, its can directly on another element or layer, be connected directly to or be attached to another element or
Layer, or element or layer between may be present.When element be referred to as " located immediately at " another element or layer " on ", " directly connect
It is connected to " or when " being attached directly to " another element or layer, in the absence of element or layer between.In the specification, phase
Same label refers to identical element.As used in this article, term "and/or" includes one in associated Listed Items
Or multiple any and all combinations.
Although it should be understood that term the 1st, the 2nd or first, second etc. herein can be used for describe various elements,
Part, region, layer and/or section, but these elements, part, region, layer and/or Duan Buying are limited by these terms.These are used
Language is only used for distinguishing an element, part, region, layer or section and another element, part, region, layer or section.Therefore,
In the case of without departing substantially from teachings of the present application, the first element, part, region, layer or section discussed below can be referred to as the
Two element, part, region, layer or section.
Terminology used herein is only used for describing the purpose of embodiment, it is no intended to limits the application.Such as exist
It is used herein, unless being clearly dictated in context, otherwise it is also intended to bag without the feature for limiting single plural form
Include the feature of plural form.It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ",
Represent stated feature, entirety, step, operation, element and/or part be present when using in this manual, but do not arrange
Except exist or add one or more of the other feature, entirety, step, operation, element, part and/or their group.Such as herein
Middle to use, term "and/or" includes any of one or more of associated Listed Items and all combination.Such as
The statement of " ... at least one " modifies whole element list, rather than modification row when after the list for appearing in element
Individual component in table.In addition, when describing presently filed embodiment, " can with " be used to represent " one or more of the application
Individual embodiment ".Also, term " exemplary " is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with
The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and
It will not explained with idealization or excessively formal sense, unless clearly so limiting herein.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
This application provides a kind of optical imagery eyeglass group, included successively by thing side to image side：With positive light coke
One lens, its thing side are convex surface；The second lens with negative power, its thing side are convex surface, and image side surface is concave surface；Have
3rd lens of focal power, its thing side are convex surface, and its image side surface is concave surface；The 4th lens with focal power, its thing side
For concave surface；The 5th lens with focal power；The 6th lens with focal power；The 7th lens with negative power, its picture
Side is concave surface.
In embodiments herein, the effective focal length f and the entrance pupil of optical imagery eyeglass group of optical imagery eyeglass group are straight
Meet f/EPD≤1.7 between the EPD of footpath.More specifically, meet f/EPD≤1.58.By meeting above-mentioned condition, can rationally divide
Shape with each lens, optical imagery eyeglass group is obtained more excellent imaging experience, while possessing large aperture, can drop
Low aberration, reduce distortion.
In embodiments herein, the effective focal length f7 of the 7th lens and the effective focal length f of optical imagery eyeglass group it
Between meet f7/f≤- 1.0.More specifically, meet f7/f≤- 1.02.By meeting above-mentioned condition, can reasonable distribution it is each
The shape of mirror, optical imagery eyeglass group is obtained more excellent imaging experience, while possessing large aperture, can reduce aberration,
Reduce distortion.
It is full between the effective focal length f1 of the first lens and the effective focal length f7 of the 7th lens in embodiments herein
Foot：-1.5<f1/f7<-0.5.More specifically, meet -1.49≤f1/f7≤- 0.78., can be reasonable by meeting above-mentioned relation
The focal length of the first lens and the 7th lens is distributed, is advantageous to the optical distortion of update the system, so as to lift the image quality of camera lens.
In embodiments herein, the radius of curvature R 2 of the effective focal length f1 of the first lens and the first lens image side surface it
Between meet：0.5<f1/R2<1.5.More specifically, meet 0.55≤f1/R2≤1.33.By meeting above-mentioned relation, can control
The radius of curvature of first lens, make the astigmatism contribution rates of the first lens in the reasonable scope, so as to the astigmatism of active balance system
Amount, system is set to obtain good image quality.
In embodiments herein, spacing T45 and the first lens and on the axle between the 4th lens and the 5th lens
Meet on axle between two lens between spacing T12：5<T45/T12<11.More specifically, 5.57≤T45/T12 of satisfaction≤
10.87.By meeting above-mentioned relation, can rationally control the airspace between lens so that system both have it is higher into
As quality is but also with preferable processing characteristics.
In embodiments herein, the effective focal length f1 of the first lens and the effective focal length f of optical imagery eyeglass group it
Between meet：1<f1/f<2.More specifically, meet 1.34≤f1/f≤1.55.By meeting above-mentioned condition, can be rationally controlled
One power of lens, can effectively correction system primary spherical aberration, and ensure the first lens processing characteristics.
In embodiments herein, the radius of curvature R 4 of the effective focal length f2 of the second lens and the second lens image side surface it
Between meet：-6<f2/R4<-4.More specifically, meet -5.84≤f2/R4≤- 4.48., can be reasonable by meeting above-mentioned condition
The radius of curvature of the second lens image side surface is configured, can effectively correct the outer coma of axle and astigmatism, while the light for reducing system is inclined
Knuckle degree, and reduce the sensitiveness of the second lens.
In embodiments herein, the airspace T12 and the 6th lens of the first lens and the second lens on optical axis
And the 7th meet between airspace T67 of the lens on optical axis：10<T67/T12<15.More specifically, satisfaction 10.36≤
T67/T12≤14.88.By meeting above-mentioned condition, the airspace between lens can be rationally controlled, so as to ensure that system has
When having higher image quality, moreover it is possible to possess preferable processing characteristics.
In embodiments herein, the effective focal length f of optical imagery eyeglass group and the center thickness CT3 of the 3rd lens it
Between meet：5<f/CT3<9.More specifically, meet 5.41≤f/CT3≤8.31.By meeting above-mentioned condition, the 3rd can be controlled
The center thickness of lens, can effectively compressibility size, ensure the machinability of optical system.
In embodiments herein, the curvature half of the effective focal length f4 of optical imagery eyeglass group and the 4th lens thing side
Meet between the R7 of footpath：-1≤f4/R7≤1.5.More specifically, meet -0.94≤f4/R7≤1.34.By meeting above-mentioned condition,
The radius of curvature of the 4th lens can be controlled, makes the astigmatism contribution rates of the 4th lens in the reasonable scope, so as to effectively balance
The astigmatism amount of system, system is set to obtain good image quality.
It is full between the effective focal length f2 of the second lens and the effective focal length f7 of the 7th lens in embodiments herein
Foot：1<f2/f7<2.More specifically, meet 1.10≤f2/f7≤1.89.By meeting above-mentioned condition, second can be rationally controlled
The effective focal length of lens and the 7th lens, can reduce the chromatic longitudiinal aberration of system, and realize the optical characteristics of large aperture.
The application is further described below in conjunction with specific embodiment.
Embodiment 1
Optical imagery eyeglass group with reference first to Fig. 1 to Fig. 5 descriptions according to the embodiment of the present application 1.
Fig. 1 is the structural representation for the optical imagery eyeglass group for showing embodiment 1.As shown in figure 1, optical imagery eyeglass
Group includes 7 lens.This 7 lens are respectively the first lens E1 with thing side S1 and image side surface S2, with thing side S3
The second lens E2 with image side surface S4, the 3rd lens E3 with thing side S5 and image side surface S6, with thing side S7 and image side
Face S8 the 4th lens E4, the 5th lens E5 with thing side S9 and image side surface S10, with thing side S11 and image side surface S12
The 6th lens E6 and with thing side S13 and image side surface S14 the 7th lens E7.First lens E1 to the 7th lens E7 is from light
Study as the thing side of lens set is set gradually to image side.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its thing side S13 can be convex surface, and image side surface S14 can be concave surface.
The optical imagery eyeglass group also includes being used for the optical filtering with thing side S15 and image side surface S16 for filtering out infrared light
Piece E8.In this embodiment, the light from object sequentially passes through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
In this embodiment, the first lens E1 to the 7th lens E7 has respective effective focal length f1 to f7 respectively.First
Lens E1 is arranged in order along optical axis to the 7th lens E7 and has together decided on total effective focal length f of optical imagery eyeglass group.Under
Table 1 show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imagery eyeglass group total effective focal length f,
The total length TTL (mm) of the optical imagery eyeglass group and half ImgH of electronics light sensitive component effective pixel area diagonal line length.
| f1(mm) | 5.32 | f(mm) | 3.98 |
| f2(mm) | -7.53 | TTL(mm) | 4.95 |
| f3(mm) | 5.06 | ImgH(mm) | 3.40 |
| f4(mm) | -29.33 | ||
| f5(mm) | 17.20 | ||
| f6(mm) | 46.37 | ||
| f7(mm) | -6.84 |
Table 1
Table 2 show the surface type of each lens in the optical imagery eyeglass group in the embodiment, radius of curvature, thickness,
Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 2
In the present embodiment, each lens can use non-spherical lens, and each aspherical face type x is limited by below equation：
Wherein, x be it is aspherical along optical axis direction when being highly h position, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse)；K be circular cone coefficient (
Provided in table 2)；Ai is the correction factor of aspherical i-th-th ranks.
Table 3 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment
Number.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -1.2184E-02 | 5.4347E-03 | -5.5520E-02 | 7.4028E-02 | -6.0105E-02 | 1.9479E-02 | -1.9951E-03 | 0.0000E+00 | 0.0000E+ 00 |
| S2 | 4.4116E-02 | -1.5786E-01 | 4.6953E-02 | 8.6499E-02 | -9.4928E-02 | 3.7178E-02 | -5.2983E-03 | 0.0000E+00 | 0.0000E+ 00 |
| S3 | -5.6011E-02 | 1.4247E-02 | -1.9693E-01 | 3.8590E-01 | -3.0080E-01 | 1.1474E-01 | -1.8117E-02 | 0.0000E+00 | 0.0000E+ 00 |
| S4 | -1.9839E-01 | 2.6128E-01 | -5.7849E-01 | 8.5890E-01 | -7.6296E-01 | 3.9403E-01 | -9.2796E-02 | 0.0000E+00 | 0.0000E+ 00 |
| S5 | -2.7392E-02 | 8.5048E-02 | -1.8388E-01 | 1.7173E-01 | -6.0047E-02 | 2.2376E-02 | -7.1971E-03 | 0.0000E+00 | 0.0000E+ 00 |
| S6 | -1.1238E-02 | -7.9792E-02 | 2.9298E-01 | -6.7872E-01 | 8.4901E-01 | -5.2604E-01 | 1.3246E-01 | 0.0000E+00 | 0.0000E+ 00 |
| S7 | -1.2093E-01 | -8.5414E-03 | 2.7185E-04 | -7.8033E-02 | 1.7828E-01 | -1.1634E-01 | 1.8404E-02 | 0.0000E+00 | 0.0000E+ 00 |
| S8 | -7.3141E-02 | -2.2281E-02 | 1.5714E-01 | -5.4041E-01 | 7.0869E-01 | -3.9650E-01 | 8.1181E-02 | 0.0000E+00 | 0.0000E+ 00 |
| S9 | 9.6779E-02 | -1.8139E-02 | 5.4687E-02 | -4.1437E-01 | 5.2440E-01 | -2.5720E-01 | 4.4574E-02 | 0.0000E+00 | 0.0000E+ 00 |
| S10 | -5.6864E-02 | 1.4318E-01 | -1.2585E-02 | -3.1781E-01 | 4.3145E-01 | -2.7968E-01 | 1.0450E-01 | -2.1735E- 02 | 1.9304E- 03 |
| S11 | -1.5798E-01 | 1.1707E-01 | -1.1536E-01 | 3.7228E-02 | -3.5533E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+ 00 |
| S12 | -1.4906E-01 | 9.7947E-02 | -7.3680E-02 | 2.8369E-02 | -5.1448E-03 | 3.5422E-04 | 0.0000E+00 | 0.0000E+00 | 0.0000E+ 00 |
| S13 | -4.4443E-01 | 2.5004E-01 | -6.5690E-02 | 7.0815E-03 | 8.6014E-04 | -4.4360E-04 | 7.4545E-05 | -6.3160E- 06 | 2.2242E- 07 |
| S14 | -2.8912E-01 | 2.1041E-01 | -1.1587E-01 | 4.8937E-02 | -1.4452E-02 | 2.7697E-03 | -3.2444E-04 | 2.1072E-05 | - 5.8211E- 07 |
Table 3
Fig. 2 shows chromatic curve on the axle of the optical imagery eyeglass group of embodiment 1, and it represents the light warp of different wave length
Deviateed by the converging focal point after optical system.Fig. 3 shows the astigmatism curve of the optical imagery eyeglass group of embodiment 1, and it is represented
Meridianal image surface is bent and sagittal image surface bending.Fig. 4 shows the distortion curve of the optical imagery eyeglass group of embodiment 1, and it is represented
Distortion sizes values in the case of different visual angles.Fig. 5 shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 1, its
Represent deviation of the light via the different image heights after optical imagery eyeglass group on imaging surface.In summary and reference picture 2 to
Fig. 5 can be seen that is applied to portable type electronic product according to the optical imagery eyeglass group of embodiment 1, with large aperture, well
Image quality and low sensitivity.
Embodiment 2
Optical imagery eyeglass group referring to Fig. 6 to Figure 10 descriptions according to the embodiment of the present application 2.
Fig. 6 is the structural representation for the optical imagery eyeglass group for showing embodiment 2.As shown in fig. 6, optical imagery eyeglass
Group includes 7 lens.This 7 lens are respectively the first lens E1 with thing side S1 and image side surface S2, with thing side S3
The second lens E2 with image side surface S4, the 3rd lens E3 with thing side S5 and image side surface S6, with thing side S7 and image side
Face S8 the 4th lens E4, the 5th lens E5 with thing side S9 and image side surface S10, with thing side S11 and image side surface S12
The 6th lens E6 and with thing side S13 and image side surface S14 the 7th lens E7.First lens E1 to the 7th lens E7 is from light
Study as the thing side of lens set is set gradually to image side.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have positive light coke, and its thing side S7 can be concave surface, and image side surface S8 can be convex surface.
5th lens E5 can have positive light coke, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its thing side S13 can be concave surface, and image side surface S14 can be concave surface.
The optical imagery eyeglass group also includes being used for the optical filtering with thing side S15 and image side surface S16 for filtering out infrared light
Piece E8.In this embodiment, the light from object sequentially passes through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Table 4 below show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imagery eyeglass group it is total
Effective focal length f, the total length TTL of optical imagery eyeglass group and electronics light sensitive component effective pixel area diagonal line length half
ImgH。
Table 4
Table 5 show the surface type of each lens in the optical imagery eyeglass group in the embodiment, radius of curvature, thickness,
Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 5
Table 6 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment
Number.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 6
Fig. 7 shows chromatic curve on the axle of the optical imagery eyeglass group of embodiment 2, and it represents the light warp of different wave length
Deviateed by the converging focal point after optical system.Fig. 8 shows the astigmatism curve of the optical imagery eyeglass group of embodiment 2, and it is represented
Meridianal image surface is bent and sagittal image surface bending.Fig. 9 shows the distortion curve of the optical imagery eyeglass group of embodiment 2, and it is represented
Distortion sizes values in the case of different visual angles.Figure 10 shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 2, its
Represent deviation of the light via the different image heights after optical imagery eyeglass group on imaging surface.In summary and reference picture 7 to
Figure 10 can be seen that is applied to portable type electronic product according to the optical imagery eyeglass group of embodiment 2, with large aperture, well
Image quality and low sensitivity.
Embodiment 3
Optical imagery eyeglass group referring to Figure 11 to Figure 15 descriptions according to the embodiment of the present application 3.
Figure 11 is the structural representation for the optical imagery eyeglass group for showing embodiment 3.Optical imagery eyeglass group is by thing side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens successively to image side
E6 and the 7th lens E7.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have positive light coke, and its thing side S7 can be concave surface, and image side surface S8 can be convex surface.
5th lens E5 can have positive light coke, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its thing side S13 can be concave surface, and image side surface S14 can be concave surface.
Table 7 below show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imagery eyeglass group it is total
Effective focal length f, the total length TTL of optical imagery eyeglass group and electronics light sensitive component effective pixel area diagonal line length half
ImgH。
| f1(mm) | 5.25 | f(mm) | 3.56 |
| f2(mm) | -6.26 | TTL(mm) | 4.50 |
| f3(mm) | 3.89 | ImgH(mm) | 2.77 |
| f4(mm) | 42.27 | ||
| f5(mm) | 4.96 | ||
| f6(mm) | -9.21 | ||
| f7(mm) | -3.64 |
Table 7
Table 8 show the surface type of each lens in the optical imagery eyeglass group in the embodiment, radius of curvature, thickness,
Material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 8
Table 9 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment
Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 9
Figure 12 shows chromatic curve on the axle of the optical imagery eyeglass group of embodiment 3, and it represents the light of different wave length
Deviate via the converging focal point after optical system.Figure 13 shows the astigmatism curve of the optical imagery eyeglass group of embodiment 3, its table
Show meridianal image surface bending and sagittal image surface bending.Figure 14 shows the distortion curve of the optical imagery eyeglass group of embodiment 3, its table
Show the distortion sizes values in the case of different visual angles.Figure 15 shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 3,
It represents deviation of the light via the different image heights after optical imagery eyeglass group on imaging surface.In summary and reference picture 12
To Figure 15 as can be seen that being applied to portable type electronic product according to the optical imagery eyeglass group of embodiment 3, there is large aperture, good
Good image quality and low sensitivity.
Embodiment 4
Optical imagery eyeglass group referring to Figure 16 to Figure 20 descriptions according to the embodiment of the present application 4.
Figure 16 is the structural representation for the optical imagery eyeglass group for showing embodiment 4.Optical imagery eyeglass group is by thing side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens successively to image side
E6 and the 7th lens E7.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have positive light coke, and its thing side S7 can be concave surface, and image side surface S8 can be convex surface.
5th lens E5 can have positive light coke, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its thing side S13 can be concave surface, and image side surface S14 can be concave surface.
Table 10 below show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imagery eyeglass group it is total
Effective focal length f, the total length TTL of optical imagery eyeglass group and electronics light sensitive component effective pixel area diagonal line length half
ImgH。
| f1(mm) | 5.33 | f(mm) | 3.65 |
| f2(mm) | -6.11 | TTL(mm) | 4.58 |
| f3(mm) | 3.73 | ImgH(mm) | 2.86 |
| f4(mm) | 52.23 | ||
| f5(mm) | 10.43 | ||
| f6(mm) | -15.15 | ||
| f7(mm) | -4.75 |
Table 10
Table 11 below shows the surface type of each lens, radius of curvature, thickness in the optical imagery eyeglass group in the embodiment
Degree, material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 11
Table 12 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment
Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.8274E-03 | 1.5941E-03 | -5.4261E-02 | 1.0538E-01 | -1.0973E-01 | 5.9079E-02 | -1.3046E-02 | 0.0000E+00 | 0.0000E +00 |
| S2 | 8.5386E-02 | -7.8636E-02 | -3.9122E-02 | 2.3893E-01 | -3.0275E-01 | 1.7948E-01 | -4.3347E-02 | 0.0000E+00 | 0.0000E +00 |
| S3 | 7.5042E-02 | -1.1271E-01 | -1.5566E-02 | 2.3077E-01 | -2.9212E-01 | 1.6408E-01 | -3.7719E-02 | 0.0000E+00 | 0.0000E +00 |
| S4 | -2.9504E-02 | 1.4008E-01 | -3.2532E-01 | 4.5499E-01 | -3.6866E-01 | 1.5054E-01 | -2.4814E-02 | 0.0000E+00 | 0.0000E +00 |
| S5 | -3.1689E-02 | 5.7570E-02 | -7.5956E-02 | 8.8761E-02 | -6.5487E-02 | 2.7392E-02 | -5.3555E-03 | 0.0000E+00 | 0.0000E +00 |
| S6 | -7.6659E-02 | -2.2243E-02 | 1.3987E-01 | -3.0285E-01 | 3.8044E-01 | -2.4134E-01 | 5.8858E-02 | 0.0000E+00 | 0.0000E +00 |
| S7 | -2.2921E-01 | -1.4495E-01 | 3.1536E-01 | -3.3031E-01 | 4.2322E-01 | -3.8084E-01 | 1.2870E-01 | 0.0000E+00 | 0.0000E +00 |
| S8 | -1.3030E-01 | -2.4285E-01 | 2.2207E-01 | 1.3208E-01 | -2.5866E-01 | 1.0570E-01 | -8.2085E-03 | 0.0000E+00 | 0.0000E +00 |
| S9 | 3.3337E-01 | -5.0518E-01 | 2.5329E-01 | 1.1181E-02 | -6.6346E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E +00 |
| S10 | 1.6188E-01 | 1.4583E-02 | -2.3096E-01 | 3.0253E-01 | -5.5876E-01 | 8.2233E-01 | -6.7440E-01 | 2.7742E-01 | - 4.4842E -02 |
| S11 | -2.9988E-01 | 2.3232E-01 | -1.9590E-01 | 4.7895E-02 | -1.5329E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E +00 |
| S12 | -2.8035E-01 | 2.0086E-01 | -1.3339E-01 | 5.3117E-02 | -1.1017E-02 | 9.2951E-04 | 0.0000E+00 | 0.0000E+00 | 0.0000E +00 |
| S13 | -1.5636E-01 | 5.2528E-02 | 4.1191E-02 | -3.6857E-02 | 1.2133E-02 | -1.7861E-03 | 3.7217E-05 | 1.9679E-05 | - 1.6524E -06 |
| S14 | -1.0860E-01 | 7.2674E-02 | -4.1117E-02 | 2.1403E-02 | -8.2874E-03 | 2.0611E-03 | -3.0662E-04 | 2.4839E-05 | - 8.4385E -07 |
Table 12
Figure 17 shows chromatic curve on the axle of the optical imagery eyeglass group of embodiment 4, and it represents the light of different wave length
Deviate via the converging focal point after optical system.Figure 18 shows the astigmatism curve of the optical imagery eyeglass group of embodiment 4, its table
Show meridianal image surface bending and sagittal image surface bending.Figure 19 shows the distortion curve of the optical imagery eyeglass group of embodiment 4, its table
Show the distortion sizes values in the case of different visual angles.Figure 20 shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 4,
It represents deviation of the light via the different image heights after optical imagery eyeglass group on imaging surface.In summary and reference picture 17
To Figure 20 as can be seen that being applied to portable type electronic product according to the optical imagery eyeglass group of embodiment 4, there is large aperture, good
Good image quality and low sensitivity.
Embodiment 5
Optical imagery eyeglass group referring to Figure 21 to Figure 25 descriptions according to the embodiment of the present application 5.
Figure 21 is the structural representation for the optical imagery eyeglass group for showing embodiment 5.Optical imagery eyeglass group is by thing side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens successively to image side
E6 and the 7th lens E7.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
7th lens E7 can have negative power, and its thing side S13 can be convex surface, and image side surface S14 can be concave surface.
Table 13 below show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imagery eyeglass group it is total
Effective focal length f, the total length TTL of optical imagery eyeglass group and electronics light sensitive component effective pixel area diagonal line length half
ImgH。
Table 13
Table 14 below shows the surface type of each lens, radius of curvature, thickness in the optical imagery eyeglass group in the embodiment
Degree, material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 14
Table 15 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment
Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 15
Figure 22 shows chromatic curve on the axle of the optical imagery eyeglass group of embodiment 5, and it represents the light of different wave length
Deviate via the converging focal point after optical system.Figure 23 shows the astigmatism curve of the optical imagery eyeglass group of embodiment 5, its table
Show meridianal image surface bending and sagittal image surface bending.Figure 24 shows the distortion curve of the optical imagery eyeglass group of embodiment 5, its table
Show the distortion sizes values in the case of different visual angles.Figure 25 shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 5,
It represents deviation of the light via the different image heights after optical imagery eyeglass group on imaging surface.In summary and reference picture 22
To Figure 25 as can be seen that being applied to portable type electronic product according to the optical imagery eyeglass group of embodiment 5, there is large aperture, good
Good image quality and low sensitivity.
Embodiment 6
Optical imagery eyeglass group referring to Figure 26 to Figure 30 descriptions according to the embodiment of the present application 6.
Figure 26 is the structural representation for the optical imagery eyeglass group for showing embodiment 6.Optical imagery eyeglass group is by thing side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens successively to image side
E6 and the 7th lens E7.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 can be concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its thing side S13 can be convex surface, and image side surface S14 can be concave surface.
Table 16 below show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imagery eyeglass group it is total
Effective focal length f, the total length TTL of optical imagery eyeglass group and electronics light sensitive component effective pixel area diagonal line length half
ImgH。
| f1(mm) | 5.13 | f(mm) | 3.45 |
| f2(mm) | -7.12 | TTL(mm) | 4.58 |
| f3(mm) | 4.64 | ImgH(mm) | 2.55 |
| f4(mm) | -29.62 | ||
| f5(mm) | 4.46 | ||
| f6(mm) | -19.50 | ||
| f7(mm) | -3.77 |
Table 16
Table 17 below shows the surface type of each lens, radius of curvature, thickness in the optical imagery eyeglass group in the embodiment
Degree, material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 17
Table 18 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment
Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 8.0378E-03 | -1.4641E-02 | 2.1423E-03 | -1.4230E-04 | 5.0045E-06 | -9.0595E-08 | 6.6900E-10 | 0.0000E+00 | 0.0000E+ 00 |
| S2 | 4.2820E-15 | -3.7977E-14 | 1.3576E-13 | -2.4131E-13 | 2.2898E-13 | -1.1119E-13 | 2.1735E-14 | 0.0000E+00 | 0.0000E+ 00 |
| S3 | -5.6401E-02 | 1.9172E-02 | 1.1153E-04 | 1.0126E-02 | -2.2002E-02 | 9.0932E-03 | -9.4967E-04 | 0.0000E+00 | 0.0000E+ 00 |
| S4 | -8.5639E-02 | 5.4766E-02 | -1.0687E-02 | -5.4874E-03 | -1.9557E-02 | 1.6419E-02 | -3.3691E-03 | 0.0000E+00 | 0.0000E+ 00 |
| S5 | -3.9049E-03 | -3.7337E-04 | 2.2563E-05 | -3.8592E-07 | 2.9525E-09 | -1.0892E-11 | 5.0012E-14 | 0.0000E+00 | 0.0000E+ 00 |
| S6 | -7.2541E-02 | -7.5452E-03 | -1.0743E-02 | 1.8859E-02 | -9.4159E-03 | 1.9935E-03 | -1.5361E-04 | 0.0000E+00 | 0.0000E+ 00 |
| S7 | -2.1464E-01 | -3.5600E-02 | 1.0429E-01 | -2.5567E-01 | 4.7564E-01 | -3.8983E-01 | 1.1318E-01 | 0.0000E+00 | 0.0000E+ 00 |
| S8 | -1.5448E-01 | -3.2482E-02 | -3.8928E-03 | -1.0971E-02 | 1.4372E-01 | -1.5071E-01 | 4.4859E-02 | 0.0000E+00 | 0.0000E+ 00 |
| S9 | 7.7686E-02 | -8.0695E-02 | -1.1926E-01 | 1.5372E-01 | -6.4582E-02 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+ 00 |
| S10 | 6.8520E-02 | -1.1942E-02 | -2.2339E-02 | 9.9080E-03 | -1.8496E-03 | 1.8747E-04 | -1.0776E-05 | 3.3111E-07 | - 4.2342E- 09 |
| S11 | -1.5954E-01 | -4.3482E-02 | 6.4787E-02 | -4.7793E-02 | 8.6177E-03 | 0.0000E+00 | 0.0000E+00 | 0.0000E+00 | 0.0000E+ 00 |
| S12 | -2.1687E-01 | 2.3235E-02 | 1.5091E-02 | -1.4482E-02 | 4.7254E-03 | -5.3685E-04 | 0.0000E+00 | 0.0000E+00 | 0.0000E+ 00 |
| S13 | -4.7024E-01 | 2.5719E-01 | -8.5694E-03 | -4.1864E-02 | 1.9609E-02 | -4.4528E-03 | 5.6777E-04 | -3.8900E- 05 | 1.1154E- 06 |
| S14 | -2.6585E-01 | 1.9116E-01 | -7.3394E-02 | 1.6723E-02 | -2.3046E-03 | 1.9091E-04 | -9.2807E-06 | 2.4397E-07 | - 2.6785E- 09 |
Table 18
Figure 27 shows chromatic curve on the axle of the optical imagery eyeglass group of embodiment 6, and it represents the light of different wave length
Deviate via the converging focal point after optical system.Figure 28 shows the astigmatism curve of the optical imagery eyeglass group of embodiment 6, its table
Show meridianal image surface bending and sagittal image surface bending.Figure 29 shows the distortion curve of the optical imagery eyeglass group of embodiment 6, its table
Show the distortion sizes values in the case of different visual angles.Figure 30 shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 6,
It represents deviation of the light via the different image heights after optical imagery eyeglass group on imaging surface.In summary and reference picture 27
To Figure 30 as can be seen that being applied to portable type electronic product according to the optical imagery eyeglass group of embodiment 6, there is large aperture, good
Good image quality and low sensitivity.
Embodiment 7
Optical imagery eyeglass group referring to Figure 31 to Figure 35 descriptions according to the embodiment of the present application 7.
Figure 31 is the structural representation for the optical imagery eyeglass group for showing embodiment 7.Optical imagery eyeglass group is by thing side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens successively to image side
E6 and the 7th lens E7.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be concave surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
7th lens E7 can have negative power, and its thing side S13 can be convex surface, and image side surface S14 can be concave surface.
Table 19 below show the first lens E1 to the 7th lens E7 effective focal length f1 to f7, optical imagery eyeglass group it is total
Effective focal length f, the total length TTL of optical imagery eyeglass group and electronics light sensitive component effective pixel area diagonal line length half
ImgH。
| f1(mm) | 5.05 | f(mm) | 3.48 |
| f2(mm) | -6.85 | TTL(mm) | 4.58 |
| f3(mm) | 4.63 | ImgH(mm) | 2.58 |
| f4(mm) | -67.14 | ||
| f5(mm) | 4.84 | ||
| f6(mm) | -16.96 | ||
| f7(mm) | -3.77 |
Table 19
Table 20 below shows the surface type of each lens, radius of curvature, thickness in the optical imagery eyeglass group in the embodiment
Degree, material and circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 20
Table 21 below shows the high order term system of each aspherical S1-S14 available for each non-spherical lens in the embodiment
Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 21
Figure 32 shows chromatic curve on the axle of the optical imagery eyeglass group of embodiment 7, and it represents the light of different wave length
Deviate via the converging focal point after optical system.Figure 33 shows the astigmatism curve of the optical imagery eyeglass group of embodiment 7, its table
Show meridianal image surface bending and sagittal image surface bending.Figure 34 shows the distortion curve of the optical imagery eyeglass group of embodiment 7, its table
Show the distortion sizes values in the case of different visual angles.Figure 35 shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 7,
It represents deviation of the light via the different image heights after optical imagery eyeglass group on imaging surface.In summary and reference picture 31
To Figure 35 as can be seen that being applied to portable type electronic product according to the optical imagery eyeglass group of embodiment 7, there is large aperture, good
Good image quality and low sensitivity.
Put it briefly, in above-described embodiment 1 to 7, each conditional meets the condition of table 22 below.
| Conditional/embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| f/EPD | 1.55 | 1.56 | 1.58 | 1.54 | 1.51 | 1.47 | 1.49 |
| f7/f | -1.72 | -1.04 | -1.02 | -1.30 | -1.09 | -1.10 | -1.08 |
| f1/f | 1.34 | 1.55 | 1.47 | 1.46 | 1.40 | 1.49 | 1.45 |
| f2/R4 | -4.48 | -5.84 | -5.22 | -5.23 | -5.21 | -5.73 | -5.37 |
| T67/T12 | 10.36 | 11.32 | 12.39 | 14.04 | 14.88 | 14.38 | 14.65 |
| f/CT3 | 8.31 | 5.68 | 5.67 | 5.41 | 7.15 | 6.53 | 6.73 |
| f4/R7 | 1.34 | -0.94 | -0.08 | -0.83 | 0.33 | 0.06 | 0.15 |
| f2/f7 | 1.10 | 1.88 | 1.72 | 1.29 | 1.81 | 1.89 | 1.81 |
| f1/f7 | -0.78 | -1.49 | -1.44 | -1.12 | -1.28 | -1.36 | -1.34 |
| f1/R2 | 1.33 | 1.26 | 1.16 | 0.99 | 0.55 | 0.59 | 0.56 |
| T45/T12 | 5.57 | 10.36 | 10.87 | 9.71 | 7.74 | 8.09 | 10.33 |
Table 22
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (11)
1. a kind of optical imagery eyeglass group, is included successively by thing side to image side：
The first lens with positive light coke, its thing side are convex surface；
The second lens with negative power, its thing side are convex surface, and image side surface is concave surface；
The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；
The 4th lens with focal power, its thing side are concave surface；
The 5th lens with focal power；
The 6th lens with focal power；
The 7th lens with negative power, its image side surface are concave surface；
Characterized in that, the effective focal length f of the optical imagery eyeglass group and Entry pupil diameters EPD of the optical imagery eyeglass group
Between meet f/EPD≤1.7, and the effective focal length f7 of the 7th lens and the effective focal length of the optical imagery eyeglass group
Meet f7/f≤- 1.0 between f.
2. optical imagery eyeglass group according to claim 1, it is characterised in that the effective focal length f1 of first lens with
Meet between the effective focal length f7 of 7th lens：-1.5<f1/f7<-0.5.
3. optical imagery eyeglass group according to claim 1, it is characterised in that the effective focal length f1 of first lens with
Meet between the radius of curvature R 2 of the first lens image side surface：0.5<f1/R2<1.5.
4. optical imagery eyeglass group according to claim 1, it is characterised in that the 4th lens and the 5th lens
Between axle on meet between spacing T12 on axle between spacing T45 and first lens and second lens：5<T45/
T12<11。
5. optical imagery eyeglass group according to any one of claim 1 to 4, it is characterised in that first lens
Meet between effective focal length f1 and the effective focal length f of the optical imagery eyeglass group：1<f1/f<2.
6. optical imagery eyeglass group according to any one of claim 1 to 4, it is characterised in that second lens
Meet between the radius of curvature R 4 of effective focal length f2 and the second lens image side surface：-6<f2/R4<-4.
7. the optical imagery eyeglass group according to any one of claim 3 to 4, it is characterised in that first lens and
Between the air of airspace T12 and the 6th lens and the 7th lens on optical axis of second lens on optical axis
Meet between T67：10<T67/T12<15.
8. optical imagery eyeglass group according to claim 2, it is characterised in that effective Jiao of the optical imagery eyeglass group
Meet between center thickness CT3 away from f and the 3rd lens：5<f/CT3<9.
9. optical imagery eyeglass group according to claim 2, it is characterised in that the effective focal length f4 of the 4th lens with
Meet between the radius of curvature R 7 of the 4th lens thing side：-1≤f4/R7≤1.5.
10. optical imagery eyeglass group according to claim 1, it is characterised in that the effective focal length f2 of second lens
Meet between the effective focal length f7 of the 7th lens：1<f2/f7<2.
11. a kind of optical imagery eyeglass group, is included successively by thing side to image side：
The first lens with positive light coke, its thing side are convex surface；
The second lens with negative power, its thing side are convex surface, and image side surface is concave surface；
The 3rd lens with focal power, its thing side are convex surface, and its image side surface is concave surface；
The 4th lens with focal power, its thing side are concave surface；
The 5th lens with focal power；
The 6th lens with focal power；
The 7th lens with negative power, its image side surface are concave surface；
Characterized in that, the airspace T12 of first lens and second lens on optical axis and the 6th lens
Meet between airspace T67 of the 7th lens on optical axis：10<T67/T12<15, and first lens
Meet between the effective focal length f7 of effective focal length f1 and the 7th lens：-1.5<f1/f7<-0.5.
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| CN108227151A (en) * | 2018-03-16 | 2018-06-29 | 浙江舜宇光学有限公司 | Optical imagery eyeglass group |
| CN108508580A (en) * | 2018-03-22 | 2018-09-07 | 广东旭业光电科技股份有限公司 | A kind of optical imaging system |
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