CN108459397A - Optical image microscope group - Google Patents
Optical image microscope group Download PDFInfo
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- CN108459397A CN108459397A CN201810471501.6A CN201810471501A CN108459397A CN 108459397 A CN108459397 A CN 108459397A CN 201810471501 A CN201810471501 A CN 201810471501A CN 108459397 A CN108459397 A CN 108459397A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 298
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- 238000003384 imaging method Methods 0.000 claims description 30
- 201000009310 astigmatism Diseases 0.000 description 18
- 238000005452 bending Methods 0.000 description 16
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- 239000000463 material Substances 0.000 description 16
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- 230000000007 visual effect Effects 0.000 description 9
- 239000011521 glass Substances 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
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- 239000005357 flat glass Substances 0.000 description 1
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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
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Abstract
This application discloses a kind of optical image microscope groups, sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens by object side to image side along optical axis, wherein：First lens can have negative power, and object side can be plane；Second lens can have positive light coke；5th lens can have positive light coke；6th lens can have negative power；And it can meet between the effective focal length f and the effective focal length f5 of the 5th lens of optical image microscope group：1<f/f5<3.
Description
Technical field
This application involves a kind of optical image microscope groups, more particularly, to a kind of optical image being made of six eyeglasses
Microscope group.
Background technology
The developing direction of current phone is intended to lightening, and every very little space of interior of mobile phone is all particularly significant.More per a generation
New capital is the limit for challenging technique.If the space except own system can be used, design space if, can increase
Add.General mobile lens are all to carry out optically focused by first eyeglass of camera lens, and the protective glass before camera lens functions only as protecting
The effect of camera lens.In order to meet the needs of market development, Image lens need to use less number of lenses as far as possible, shorten
Camera lens overall length, but thus can be difficult to meet the needs of image quality.
Therefore, present applicant proposes one kind being applicable to portable electronic product, has miniaturization, large aperture, good
The optical system of image quality and low sensitivity characteristic.
Invention content
Technical solution provided by the present application solves the problems, such as techniques discussed above at least partly.
According to the one side of the application, such a optical image microscope group is provided, the optical image microscope group is along light
Axis sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th by object side to image side
Lens and the 6th lens, wherein：First lens can have negative power, and object side can be plane；Second lens can have just
Focal power；5th lens can have positive light coke；6th lens can have negative power；And effective coke of optical image microscope group
Meet between effective focal length f5 away from f and the 5th lens：1<f/f5<3.
It in one embodiment, can between the effective focal length f of optical image microscope group and the effective focal length f2 of the second lens
Meet：0.5<f/f2<1.5.
In one embodiment, the airspace T45 of the 4th lens and the 5th lens on optical axis and the third lens and
4th lens can meet between the airspace T34 on optical axis：0.1<T45/T34<0.6.
In one embodiment, can expire between the effective focal length f1 of the first lens and the effective focal length f of optical image group
Foot：f1/f<-3.Optionally, further, between the effective focal length f1 of the first lens and the effective focal length f of optical image group
It can meet：-30<f1/f<-3.
It in one embodiment, can between the effective focal length f of optical image microscope group and the effective focal length f3 of the third lens
Meet：-3<f3/f<-1.
It in one embodiment, can between the effective focal length f and the effective focal length f6 of the 6th lens of optical image microscope group
Meet：-1.5<f/f6<-0.5.
In one embodiment, the radius of curvature of the image side surface of the effective focal length f and the first lens of optical image microscope group
It can meet between R2：0<f/R2<1.
In one embodiment, the curvature of the object side of the radius of curvature R 6 and the second lens of the image side surface of the third lens
It can meet between radius R3：1<R6/R3<1.5.
In one embodiment, during center thickness CT3 and the 4th lens of the third lens on optical axis are on optical axis
It can meet between heart thickness CT4：0.5<CT4/CT3<1.5.
In one embodiment, the airspace T12 and the first lens of the first lens and the second lens on optical axis
Object side can meet between distance TTL of the imaging surface on optical axis of optical image microscope group：0.1<(T12*2)/TTL<0.8.
In one embodiment, the object side of the first lens to optical image microscope group distance of the imaging surface on optical axis
It can meet between TTL and the center thickness CT5 of the 5th lens：1.3<CT5/TTL*10<2.6.
In one embodiment, the maximum angle of half field-of view HFOV of optical image microscope group can meet conditional：tan(HFOV)
>0.8。
According to the another aspect of the application, additionally provide such a optical image microscope group, the optical image microscope group along
Optical axis sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, by object side to image side
Five lens and the 6th lens, wherein：First lens can have negative power, and object side can be plane；Second lens can have
Positive light coke；5th lens can have positive light coke；6th lens can have negative power；And optical image microscope group is effective
It can meet between focal length f and the effective focal length f2 of the second lens：0.5<f/f2<1.5.
According to the another aspect of the application, additionally provide such a optical image microscope group, the optical image microscope group along
Optical axis sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, by object side to image side
Five lens and the 6th lens, wherein：First lens can have negative power, and object side can be plane；Second lens can have
Positive light coke；5th lens can have positive light coke；6th lens can have negative power；And optical image microscope group is effective
It can meet between focal length f and the effective focal length f3 of the third lens：-3<f3/f<-1.
According to the another aspect of the application, additionally provide such a optical image microscope group, the optical image microscope group along
Optical axis sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, by object side to image side
Five lens and the 6th lens, wherein：First lens can have negative power, and object side can be plane；Second lens can have
Positive light coke；5th lens can have positive light coke；6th lens can have negative power；And optical image microscope group is effective
It can meet between focal length f and the effective focal length f6 of the 6th lens：-1.5<f/f6<-0.5.
According to the another aspect of the application, additionally provide such a optical image microscope group, the optical image microscope group along
Optical axis sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, by object side to image side
Five lens and the 6th lens, wherein：First lens can have negative power, and object side can be plane；Second lens can have
Positive light coke；5th lens can have positive light coke；6th lens can have negative power；And the image side surface of the third lens
It can meet between the radius of curvature R 3 of the object side of radius of curvature R 6 and the second lens：1<R6/R3<1.5.
According to the another aspect of the application, additionally provide such a optical image microscope group, the optical image microscope group along
Optical axis sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, by object side to image side
Five lens and the 6th lens, wherein：First lens can have negative power, and object side can be plane；Second lens can have
Positive light coke；5th lens can have positive light coke；6th lens can have negative power；And the third lens are on optical axis
Center thickness CT3 and the 4th lens can meet between the center thickness CT4 on optical axis：0.5<CT4/CT3<1.5.
According to the another aspect of the application, additionally provide such a optical image microscope group, the optical image microscope group along
Optical axis sequentially may include first lens with focal power, the second lens, the third lens, the 4th lens, by object side to image side
Five lens and the 6th lens, wherein：First lens can have negative power, and object side can be plane；Second lens can have
Positive light coke；5th lens can have positive light coke；6th lens can have negative power；And the 4th lens and the 5th lens
Airspace T45 on optical axis and the third lens and the 4th lens can meet between the airspace T34 on optical axis：0.1<
T45/T34<0.6。
By the optical image microscope group of above-mentioned configuration, can have large aperture, big field angle, large aperture, miniaturization, high imaging
At least one advantageous effects such as quality, balance aberration, low sensitivity.
Description of the drawings
By referring to the detailed description made by the following drawings, the above and further advantage of presently filed embodiment will become
It obtains it is clear that attached drawing is intended to show that the illustrative embodiments of the application rather than is limited.In the accompanying drawings：
Fig. 1 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical image microscope group of embodiment 1, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 3 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axis of the optical image microscope group of embodiment 2, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 5 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axis of the optical image microscope group of embodiment 3, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 7 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axis of the optical image microscope group of embodiment 4, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 9 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axis of the optical image microscope group of embodiment 5, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 11 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axis of the optical image microscope group of embodiment 6, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 13 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axis of the optical image microscope group of embodiment 7, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 15 is the structural schematic diagram for showing the optical image microscope group according to the embodiment of the present application 8；And
Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axis of the optical image microscope group of embodiment 8, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve.
Specific implementation mode
Refer to the attached drawing is made more detailed description by the application in order to better understand to the various aspects of the application.It answers
Understand, the description of the only illustrative embodiments to the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.It includes associated institute to state "and/or"
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, the first, second equal statement is only used for a feature and another feature differentiation
It comes, and does not indicate that any restrictions to feature.Therefore, discussed below without departing substantially from teachings of the present application
First lens are also known as the second lens.
In the accompanying drawings, for convenience of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
In bright book use when indicate exist stated feature, entirety, step, operations, elements, and/or components, but do not exclude the presence of or
It is attached with one or more of the other feature, entirety, step, operation, component, assembly unit and/or combination thereof.In addition, ought be such as
When the statement of at least one of " ... " appears in after the list of listed feature, entire listed feature is modified, rather than is modified
Individual component in list.In addition, when describing presently filed embodiment, use " can with " indicate " one of the application or
Multiple embodiments ".Also, term " illustrative " is intended to refer to example or illustration.
As it is used in the present context, term " substantially ", " about " and similar term are used as the approximate term of table, and
Be not used as the term of table degree, and be intended to illustrate by by those skilled in the art will appreciate that, measured value or calculated value
In inherent variability.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having the meaning consistent with their meanings in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
In addition, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define the convex surface position,
Then indicate that the lens surface is extremely convex surface less than near axis area；If lens surface is concave surface and does not define the concave surface position,
Indicate that the lens surface is extremely concave surface less than near axis area.Herein, it is known as object near the surface of object in each lens
Side is known as image side surface in each lens near the surface of imaging surface.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The application is further described below in conjunction with specific embodiment.
There is such as six lens, i.e. the first lens, the according to the optical image microscope group of the application illustrative embodiments
Two lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six lens along optical axis from object side to image side according to
Sequence arranges.
In the exemplary embodiment, the first lens can have negative power, and object side can be plane；Second lens can
With positive light coke；The third lens can optionally have positive light coke or negative power；4th lens can optionally have positive light
Focal power or negative power；5th lens can have positive light coke；And the 6th lens can have negative power.By reasonably controlling
Make the positive negative power distribution of each lens, not only can effectively balance control system low order aberration so that optical image lens
Group obtains preferably image quality, and can realize the characteristic of large aperture and high pixel.
In the exemplary embodiment, between the effective focal length f and the effective focal length f5 of the 5th lens of optical image microscope group
It can meet：1<f/f5<3, more specifically, can further meet 1.17≤f/f5≤1.64.By the way that the 5th lens are rationally arranged
Focal power can be conducive to the focal power of the first lens and the third lens in balance optical system, help to reduce optical system
Susceptibility, and correct the astigmatism of optical system.
In the exemplary embodiment, between the effective focal length f of optical image microscope group and the effective focal length f2 of the second lens
It can meet：0.5<f/f2<1.5, more specifically, can further meet 0.99≤f/f2≤1.20.Optical system under large aperture
Spherical aberration will increase, and by the way that the second power of lens is rationally arranged, improvement system spherical aberration can be played while converging light
It influences, promotes image quality.
In the exemplary embodiment, the airspace T45 and the third lens of the 4th lens and the 5th lens on optical axis
And the 4th can meet between airspace T34 of the lens on optical axis：0.1<T45/T34<0.6, more specifically, can further expire
Foot 0.12≤T45/T34≤0.51.T34 contributes to the angle of incidence of light for being adjusted into the 4th lens, by change lens it
Between gap size can improve the susceptibilitys of the 4th lens, rational ratio is conducive to system compact design, and improves and be
System performance.
It in the exemplary embodiment, can between the effective focal length f1 of the first lens and the effective focal length f of optical image group
Meet：f1/f<-3.Further, can expire between the effective focal length f1 of the first lens and the effective focal length f of optical image group
Foot：-30<f1/f<- 3, such as -28.25≤f1/f≤- 4.03 can be met.By the way that the first power of lens is rationally arranged, no
Can only realize wide-angle characteristic, can also balance focal power distribution, and have the function of correcting optical system spherical aberration and the curvature of field, promotion at
As quality.
In the exemplary embodiment, between the effective focal length f of optical image microscope group and the effective focal length f3 of the third lens
It can meet：-3<f3/f<- 1, more specifically, can further meet -2.82≤f3/f≤- 1.23.It is saturating by the way that third is rationally arranged
The focal power of mirror can be conducive to balance the spherical aberration that the second lens generate；In addition the collocation of negative lens is also beneficial to optical system
Chromatic aberration correction can effectively promote image quality.
In the exemplary embodiment, between the effective focal length f and the effective focal length f6 of the 6th lens of optical image microscope group
It can meet：-1.5<f/f6<- 0.5, more specifically, can further meet -1.25≤f/f6≤- 0.94.The ratio of f/f6 is too big
The 6th lens can be made to undertake more focal power, light refraction angle becomes larger, which is conducive in condition and range
Reduce system sensitivity；And suitable ratio is conducive to the curvature of field and the distortion of correction system.
In the exemplary embodiment, the curvature of the image side surface of the effective focal length f and the first lens of optical image microscope group half
It can meet between diameter R2：0<f/R2<1, more specifically, can further meet 0.07≤f/R2≤0.48.Thoroughly by control first
The image side surface of mirror is concave surface, increases the convenience that lens are processed on plate glass, the Ratio control of f/R2 is smaller
In the range of can reduce the technical difficulty and processing cost of processing.
In the exemplary embodiment, the song of the object side of the radius of curvature R 6 and the second lens of the image side surface of the third lens
It can meet between rate radius R3：1<R6/R3<1.5, more specifically, can further meet 1.17≤R6/R3≤1.45.Second thoroughly
Mirror is positive lens, and R3 radius of curvature is that positive value is conducive to collect light, but it is the picture of third negative lens that can bring larger spherical aberration, R6
Side concave surface can be used for balancing the spherical aberration that R3 is brought, by can effectively balance R6/R3 Ratio controls in smaller range
System spherical aberration is conducive to obtain better image quality.
In the exemplary embodiment, center thickness CT3 and fourth lens of the third lens on optical axis are on optical axis
It can meet between center thickness CT4：0.5<CT4/CT3<1.5, more specifically, can further meet 0.93≤CT4/CT3≤
1.37.Lens center thickness influences focal power, by controlling the center thickness ratio of the 4th lens and the third lens, can improve
Focal power matching state reduces light refraction angle, reduces system sensitivity, is conducive to system assembles.
In the exemplary embodiment, the airspace T12 and the first lens of the first lens and the second lens on optical axis
Object side can meet between distance TTL of the imaging surface on optical axis of optical image microscope group：0.1<(T12*2)/TTL<
0.8, more specifically, can further meet 0.16≤(T12*2)/TTL≤0.60.The value of T12 is sensitive to the system curvature of field, in the curvature of field
There is larger effect in optimization；First lens of this optical system are loaded onto in group as individual components, by (T12*2)/TTL Ratio controls
Be conducive to the adjustment of the system curvature of field and the control of system overall length in suitable range.
In the exemplary embodiment, the object side of the first lens to optical image microscope group imaging surface on optical axis away from
It can meet between TTL and the center thickness CT5 of the 5th lens：1.3<CT5/TTL*10<2.6, more specifically, can further expire
Foot 1.34≤CT5/TTL*10≤2.5.5th lens have strongest light gathering, by the Ratio control in reasonable range
Be conducive to correction system distortion and astigmatism.
In the exemplary embodiment, the maximum angle of half field-of view HFOV of optical image microscope group can meet conditional：tan
(HFOV)>0.8, more specifically, can further meet tan (HFOV) >=0.87.By meeting this condition, system can ensure
Effectively increase field angle in the case of preferable image quality, and conducive to the miniaturization of realization camera lens.
In the exemplary embodiment, the first lens can be used glass material and be made.First lens of this optical system are
Lens protection glass, glass material are stronger compared with optical plastic wearability, and will not be worn because of eyeglass causes image quality impaired；Object side is
Plane was not only easy to process, but also can reduce the damage probability in the first optics of lens effective range.
In the exemplary embodiment, optical image microscope group is also provided with the aperture STO for limiting light beam, adjust into
Light quantity improves image quality.
Optionally, above-mentioned optical image microscope group group may also include the protection for protecting the photosensitive element being located on imaging surface
Glass.
Multi-disc eyeglass, such as described above six can be used according to the optical image microscope group of the above embodiment of the application
Piece.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng, can effectively expand optical image microscope group aperture, ensure camera lens miniaturization and improve image quality so that optics shadow
As microscope group is more advantageous to production and processing and is applicable to portable electronic product.
In presently filed embodiment, at least one of minute surface of each lens is aspherical mirror.Non-spherical lens
The characteristics of be：Curvature is consecutive variations from lens centre to periphery.With the spherical surface for having constant curvature from lens centre to periphery
Lens are different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve the excellent of astigmatic image error
Point enables to the visual field to become much larger and true.After non-spherical lens, it can eliminate and go out when imaging as much as possible
Existing aberration, so as to improve image quality.In addition, the use of non-spherical lens can also efficiently reduce the lens in optical system
Number.
Therefore, according to the optical image microscope group of the application embodiment, preposition tablet protective glass is one with light focus
The lens of degree make it be transformed into 6 chip camera lenses by 5 traditional chip camera lenses.The application does not increase the feelings of system overall length meeting
Under condition, number of lenses is increased, while there is better imaging level.At the same time, system has larger field angle and big light
Circle, the development trend minimized for mobile lens wide angle, large aperture provide new direction.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting camera lens can be changed, to obtain each result and advantage described in this specification.Although for example,
It is described by taking six lens as an example in embodiment, still the optical image microscope group is not limited to include six optical image microscope group
A lens.If desired, the optical image microscope group may also include the lens of other quantity.
The specific embodiment for the optical image microscope group for being applicable to the above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D descriptions according to the optical image microscope group of the embodiment of the present application 1.
Fig. 1 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 1.As shown in Figure 1, optics shadow
As microscope group includes from object side to six lens E1-E6 at image side sequential along optical axis.First lens E1 has object side
S1 and image side surface S2；Second lens E2 has object side S3 and image side surface S4；The third lens E3 has object side S5 and image side surface
S6；4th lens E4 has object side S7 and image side surface S8；5th lens E5 has object side S9 and image side surface S10；And the
Six lens E6 have object side S11 and image side surface S12.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has positive light coke；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
Further include for limiting light beam, setting in the first lens E1 and the in the optical image microscope group of the present embodiment
Aperture STO between two lens E2.It may include with object side S13 and image side surface S14 according to the optical image microscope group of embodiment 1
Optical filter E7, optical filter E7 can be used for correcting color error ratio.Light from object sequentially passes through each surface S1 to S14 and final
It is imaged on imaging surface S15.
Table 1 show the surface types of each lens of the optical image microscope group of embodiment 1, radius of curvature, thickness, material and
Circular cone coefficient.
Table 1
The present embodiment uses six-element lens as an example, by the focal length of each eyeglass of reasonable distribution and face type and selecting to close
Suitable material effectively expands the aperture of camera lens, ensures large aperture and the miniaturization of camera lens；All kinds of aberrations are corrected simultaneously, are improved
The resolution and image quality of camera lens.Each aspherical face type x is limited by following formula：
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the inverse of 1 mean curvature radius R of upper table)；K be circular cone coefficient (
It has been provided in upper table 1)；Ai is the correction factor of aspherical i-th-th ranks.The following table 2, which is shown, can be used for each minute surface in embodiment 1
The high-order coefficient A of S3-S124、A6、A8、A10、A12、A14、A16、A18And A20。
Table 2
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.1050E- 03 | -5.8520E-02 | 3.0332E-01 | -9.3690E-01 | 1.7678E+00 | -2.0697E+00 | 1.4494E+00 | - 5.5245E- 01 | 8.5918E-02 |
| S4 | 4.5857E- 02 | 1.6914E-02 | -3.1405E-01 | 5.9697E-01 | -4.4094E-01 | -2.6200E-01 | 6.8695E-01 | - 4.3622E- 01 | 9.3703E-02 |
| S5 | - 7.3800E- 03 | 1.1635E-01 | -3.5744E-01 | 3.9404E-01 | 9.9720E-02 | -8.5036E-01 | 9.5577E-01 | - 4.2830E- 01 | 6.3337E-02 |
| S6 | - 1.5913E- 01 | 3.0745E-01 | -8.8861E-01 | 2.3031E+00 | -4.5096E+00 | 6.0215E+00 | -5.1161E+ 00 | 2.4763E+ 00 | -5.1332E- 01 |
| S7 | - 1.1311E- 01 | -4.2300E-02 | -1.5710E-02 | 2.4816E-02 | -1.4000E-03 | 1.3600E-06 | 4.4100E-06 | - 8.1000E- 08 | -9.4000E- 08 |
| S8 | - 6.8260E- 02 | -1.4860E-02 | -2.8500E-03 | 1.1845E-02 | -3.0900E-03 | 4.1600E-04 | -3.3000E- 07 | - 2.1000E- 07 | -7.8000E- 08 |
| S9 | 4.2106E- 02 | -2.2200E-03 | 2.7142E-02 | -1.3770E-02 | 1.7050E-03 | 1.6800E-04 | 8.7200E-05 | 2.9600E- 07 | 1.3900E-07 |
| S10 | 1.3266E- 02 | -4.6850E-02 | 1.7014E-02 | 8.5970E-03 | -3.4500E-03 | 3.2100E-06 | 4.0700E-06 | 2.1100E- 06 | 1.2900E-06 |
| S11 | - 9.4260E- 02 | 8.3420E-03 | 3.4050E-03 | -4.0000E-04 | -2.1000E-05 | -6.8000E-08 | 5.8900E-08 | 2.2400E- 08 | 6.9700E-09 |
| S12 | - 6.8830E- 02 | 1.8648E-02 | -3.4800E-03 | 2.4400E-04 | -8.4000E-07 | -5.1000E-08 | -1.7000E- 09 | 3.0800E- 10 | -1.7000E- 10 |
The following table 3 shows the effective focal length f1 to f6 of each lens of embodiment 1, the effective focal length f of optical image microscope group,
The object side S1 of one lens E1 to optical image microscope group distance TTLs of the imaging surface S15 on optical axis (that is, optical image microscope group
Optics total length), the maximum angle of half field-of view HFOV of optical image microscope group and the F-number Fno of optical image microscope group.
Table 3
| f1(mm) | -26.98 | f(mm) | 3.08 |
| f2(mm) | 2.58 | TTL(mm) | 5.42 |
| f3(mm) | -5.17 | HFOV(°) | 41.3 |
| f4(mm) | 59.15 | Fno | 1.70 |
| f5(mm) | 2.24 | ||
| f6(mm) | -2.57 |
In conjunction with upper table 1, table 3, in this embodiment：
Meet f1/f=-8.76 between the effective focal length f1 of first lens E1 and the effective focal length f of optical image group；
The object side S1 of first lens E1 to optical image microscope group distance TTLs and fiveth of the imaging surface S15 on optical axis
Meet CT5/TTL*10=1.62 between the center thickness CT5 of lens E5；
Airspace T45s of the 4th lens E4 and the 5th lens E5 on optical axis exists with the third lens E3 and the 4th lens E4
Meet T45/T34=0.30 between airspace T34 on optical axis；
Meet between the effective focal length f of optical image microscope group and the effective focal length f2 of the second lens E2：F/f2=1.19；
Meet f3/f=-1.68 between the effective focal length f3 of the effective focal length f and the third lens E3 of optical image microscope group；
Meet f/f5=1.37 between the effective focal length f and the effective focal length f5 of the 5th lens E5 of optical image microscope group；
Meet f/f6=-1.2 between the effective focal length f and the effective focal length f6 of the 6th lens E6 of optical image microscope group；
Meet f/R2 between the radius of curvature R 2 of the image side surface S2 of the effective focal length f of optical image microscope group and the first lens E1
=0.22；
The radius of curvature R 3 of the object side S3 of the radius of curvature R 6 of the image side surface S6 of the third lens E3 and the second lens E2 it
Between meet R6/R3=1.30；
Between the center thickness CT4 of center thickness CT3 and the 4th lens E4 on optical axis of the third lens E3 on optical axis
Meet CT4/CT3=1.36；
The object side S1 of the airspace T12 and the first lens E1 of first lens E1 and the second lens E2 on optical axis are to light
The imaging surface S15 of image microscope group meets (T12*2)/TTL=0.16 between the distance TTL on optical axis；And
The maximum angle of half field-of view HFOV of optical image microscope group meets condition tan (HFOV)=0.88.
Fig. 2A shows chromatic curve on the axis of the optical image microscope group of embodiment 1, indicates the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Fig. 2 B show the astigmatism curve of the optical image microscope group of embodiment 1, table
Show meridianal image surface bending and sagittal image surface bending.Fig. 2 C show the distortion curve of the optical image microscope group of embodiment 1, indicate
Distortion sizes values in the case of different visual angles.Fig. 2 D show the ratio chromatism, curve of the optical image microscope group of embodiment 1, table
Show deviation of the light via the different image heights after optical image microscope group on imaging surface.A to Fig. 2 D is it is found that implement according to fig. 2
Optical image microscope group given by example 1 can realize good image quality.
Embodiment 2
The optical image microscope group according to the embodiment of the present application 2 is described referring to Fig. 3 to Fig. 4 D.In addition to optical image lens
Group each eyeglass parameter except, such as on the radius of curvature in addition to each eyeglass, thickness, circular cone coefficient, effective focal length, axis between
Except high-order coefficient away from, each minute surface etc., the optical image microscope group described in the present embodiment 2 and following embodiment and reality
The arrangement for applying the optical image microscope group described in example 1 is identical.For brevity, clipped is similar to Example 1
Description.
Fig. 3 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 2.As shown in figure 3, according to reality
The optical image microscope group for applying example 2 includes being respectively provided with the first to the 6th lens E1-E6 of object side and image side surface.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has negative power；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
The following table 4 shows surface type, radius of curvature, thickness, the material of each lens of the optical image microscope group of embodiment 2
And circular cone coefficient.Table 5 shows the high-order coefficient of each aspherical mirror in embodiment 2.Table 6 shows each of embodiment 2
The effective focal length f1 to f6 of mirror, the effective focal length f of optical image microscope group, the first lens E1 object side S1 to optical image microscope group
Distance TTLs of the imaging surface S15 on optical axis, optical image microscope group maximum angle of half field-of view HFOV and optical image microscope group
F-number Fno.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 4
Table 5
Table 6
| f1(mm) | -12.75 | f(mm) | 2.88 |
| f2(mm) | 2.41 | TTL(mm) | 5.45 |
| f3(mm) | -6.25 | HFOV(°) | 42.0 |
| f4(mm) | -9.28 | Fno | 1.70 |
| f5(mm) | 1.97 | ||
| f6(mm) | -2.99 |
Fig. 4 A show chromatic curve on the axis of the optical image microscope group of embodiment 2, indicate the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Fig. 4 B show the astigmatism curve of the optical image microscope group of embodiment 2, table
Show meridianal image surface bending and sagittal image surface bending.Fig. 4 C show the distortion curve of the optical image microscope group of embodiment 2, indicate
Distortion sizes values in the case of different visual angles.Fig. 4 D show the ratio chromatism, curve of the optical image microscope group of embodiment 2, table
Show deviation of the light via the different image heights after optical image microscope group on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that implementing
Optical image microscope group given by example 2 can realize good image quality.
Embodiment 3
The optical image microscope group according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.
Fig. 5 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 3.As shown in figure 5, according to reality
The optical image microscope group for applying example 3 includes being respectively provided with the first to the 6th lens E1-E6 of object side and image side surface.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has negative power；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
The following table 7 shows surface type, radius of curvature, thickness, the material of each lens of the optical image microscope group of embodiment 3
And circular cone coefficient.Table 8 shows the high-order coefficient of each aspherical mirror in embodiment 3.Table 9 shows each of embodiment 3
The effective focal length f1 to f6 of mirror, the effective focal length f of optical image microscope group, the first lens E1 object side S1 to optical image microscope group
Distance TTLs of the imaging surface S15 on optical axis, optical image microscope group maximum angle of half field-of view HFOV and optical image microscope group
F-number Fno.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 7
Table 8
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 1.3916E-02 | -5.1910E-02 | 3.0609E-01 | -9.3261E-01 | 1.7691E+00 | -2.0793E+00 | 1.4494E+00 | -5.5247E- 01 | 8.5910E -02 |
| S4 | 7.0929E-02 | 2.4991E-02 | -3.1592E-01 | 6.0008E-01 | -4.4107E-01 | -2.8076E-01 | 6.8695E-01 | -4.3621E- 01 | 9.3691E -02 |
| S5 | -6.7400E-03 | 1.1170E-01 | -3.6100E-01 | 3.8521E-01 | 9.1265E-02 | -8.4625E-01 | 9.5577E-01 | -4.2831E- 01 | 6.3323E -02 |
| S6 | -1.7514E-01 | 3.0360E-01 | -8.9003E-01 | 2.2952E+00 | -4.5121E+00 | 6.0328E+00 | -5.1161E+00 | 2.4763E+00 | - 5.1339E -01 |
| S7 | -2.2934E-01 | 2.0980E-02 | -5.8850E-02 | -3.2130E-02 | 2.2711E-02 | 5.1500E-04 | 7.0200E-04 | -4.9000E- 05 | - 8.6000E -05 |
| S8 | -8.1810E-02 | 9.2700E-04 | 1.9440E-03 | 1.0359E-02 | -4.8700E-03 | -1.7000E-05 | 2.4800E-04 | -4.1000E- 05 | 4.4900E -05 |
| S9 | 8.4690E-03 | -1.8370E-02 | 2.5187E-02 | -1.2810E-02 | 2.2190E-03 | 2.6100E-04 | 2.4000E-05 | -4.0000E- 05 | 3.0100E -06 |
| S10 | 1.2762E-02 | -5.2510E-02 | 1.0522E-02 | 7.0060E-03 | -3.3700E-03 | 1.9400E-04 | 8.5400E-05 | 2.3100E-05 | 1.3500E -06 |
| S11 | -1.0689E-01 | 9.3620E-03 | 2.8620E-03 | -6.8000E-04 | -4.7000E-05 | 8.1100E-06 | 2.9700E-06 | 5.5100E-07 | - 1.4000E -07 |
| S12 | -8.5320E-02 | 2.8580E-02 | -5.8400E-03 | 4.4800E-04 | 1.7200E-05 | -1.4000E-06 | -3.3000E-07 | -2.2000E- 08 | 5.2000E -09 |
Table 9
| f1(mm) | -11.59 | f(mm) | 2.87 |
| f2(mm) | 2.65 | TTL(mm) | 5.51 |
| f3(mm) | -8.09 | HFOV(°) | 42.0 |
| f4(mm) | -7.85 | Fno | 1.70 |
| f5(mm) | 1.75 | ||
| f6(mm) | -2.52 |
Fig. 6 A show chromatic curve on the axis of the optical image microscope group of embodiment 3, indicate the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Fig. 6 B show the astigmatism curve of the optical image microscope group of embodiment 3, table
Show meridianal image surface bending and sagittal image surface bending.Fig. 6 C show the distortion curve of the optical image microscope group of embodiment 3, indicate
Distortion sizes values in the case of different visual angles.Fig. 6 D show the ratio chromatism, curve of the optical image microscope group of embodiment 3, table
Show deviation of the light via the different image heights after optical image microscope group on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that implementing
Optical image microscope group given by example 3 can realize good image quality.
Embodiment 4
The optical image microscope group according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.
Fig. 7 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 4.As shown in fig. 7, according to reality
The optical image microscope group for applying example 4 includes being respectively provided with the first to the 6th lens E1-E6 of object side and image side surface.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has negative power；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
The following table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical image microscope group of embodiment 4
Material and circular cone coefficient.Table 11 shows the high-order coefficient of each aspherical mirror in embodiment 4.Table 12 shows embodiment 4
The effective focal length f1 to f6 of each lens, the effective focal length f of optical image microscope group, the first lens E1 object side S1 to optical image
The maximum angle of half field-of view HFOV and optical image lens of distance TTLs of the imaging surface S15 of microscope group on optical axis, optical image microscope group
The F-number Fno of group.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 10
Table 11
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 9.5380E-03 | -4.3480E-02 | 2.8446E-01 | -9.3778E-01 | 1.7940E+00 | -2.0667E+00 | 1.4291E+00 | -5.5248E-01 | 8.6164E -02 |
| S4 | 5.9710E-02 | 3.6120E-02 | -3.0945E-01 | 5.8564E-01 | -4.2687E-01 | -2.6686E-01 | 6.6936E-01 | -4.3619E-01 | 9.3397E -02 |
| S5 | 1.1096E-02 | 1.0439E-01 | -3.4056E-01 | 4.0693E-01 | 8.1602E-02 | -8.5665E-01 | 9.5567E-01 | -4.2825E-01 | 6.3338E -02 |
| S6 | -1.8874E-01 | 3.4983E-01 | -9.0393E-01 | 2.3015E+00 | -4.5145E+00 | 6.0348E+00 | -5.1162E+ 00 | 2.4760E+00 | - 5.1332E -01 |
| S7 | -2.5893E-01 | 1.8239E-02 | -3.3220E-02 | -7.1150E-02 | 5.1331E-02 | 4.3100E-04 | 7.4200E-04 | -2.8000E-04 | - 1.6000E -05 |
| S8 | -9.6470E-02 | -8.6800E-03 | 9.2500E-04 | 9.8860E-03 | -5.6000E-03 | 3.5600E-04 | 1.3020E-03 | 2.4300E-04 | - 2.5000E -04 |
| S9 | 7.9600E-04 | -1.1350E-02 | 2.5304E-02 | -1.2940E-02 | 2.2200E-03 | 2.6700E-04 | 2.3200E-05 | -3.9000E-05 | 1.0600E -06 |
| S10 | 3.0486E-02 | -5.1800E-02 | 9.4450E-03 | 7.4680E-03 | -2.9700E-03 | 3.0400E-04 | 9.2100E-05 | 1.0800E-05 | - 1.0000E -05 |
| S11 | -1.0085E-01 | 1.4116E-02 | 2.6600E-03 | -8.1000E-04 | -3.9000E-05 | 1.1000E-05 | 2.1400E-06 | 1.6700E-07 | - 5.7000E -08 |
| S12 | -8.3860E-02 | 2.8916E-02 | -6.2700E-03 | 4.7200E-04 | 1.5200E-05 | -1.8000E-06 | -2.4000E- 07 | 1.1400E-09 | 2.9500E -09 |
Table 12
Fig. 8 A show chromatic curve on the axis of the optical image microscope group of embodiment 4, indicate the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Fig. 8 B show the astigmatism curve of the optical image microscope group of embodiment 4, table
Show meridianal image surface bending and sagittal image surface bending.Fig. 8 C show the distortion curve of the optical image microscope group of embodiment 4, indicate
Distortion sizes values in the case of different visual angles.Fig. 8 D show the ratio chromatism, curve of the optical image microscope group of embodiment 4, table
Show deviation of the light via the different image heights after optical image microscope group on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that implementing
Optical image microscope group given by example 4 can realize good image quality.
Embodiment 5
The optical image microscope group according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.
Fig. 9 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 5.As shown in figure 9, according to reality
The optical image microscope group for applying example 5 includes being respectively provided with the first to the 6th lens E1-E6 of object side and image side surface.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has positive light coke；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
The following table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical image microscope group of embodiment 5
Material and circular cone coefficient.Table 14 shows the high-order coefficient of each aspherical mirror in embodiment 5.Table 15 shows embodiment 5
The effective focal length f1 to f6 of each lens, the effective focal length f of optical image microscope group, the first lens E1 object side S1 to optical image
The maximum angle of half field-of view HFOV and optical image lens of distance TTLs of the imaging surface S15 of microscope group on optical axis, optical image microscope group
The F-number Fno of group.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 13
Table 14
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.1050E-03 | -5.8520E-02 | 3.0332E-01 | -9.3690E-01 | 1.7678E+00 | -2.0697E+00 | 1.4494E+00 | -5.5245E-01 | 8.5918E -02 |
| S4 | 4.5857E-02 | 1.6914E-02 | -3.1405E-01 | 5.9697E-01 | -4.4094E-01 | -2.6200E-01 | 6.8695E-01 | -4.3622E-01 | 9.3703E -02 |
| S5 | -7.3800E-03 | 1.1635E-01 | -3.5744E-01 | 3.9404E-01 | 9.9720E-02 | -8.5036E-01 | 9.5577E-01 | -4.2830E-01 | 6.3337E -02 |
| S6 | -1.5913E-01 | 3.0745E-01 | -8.8861E-01 | 2.3031E+00 | -4.5096E+00 | 6.0215E+00 | -5.1161E+ 00 | 2.4763E+00 | - 5.1332E -01 |
| S7 | -1.1544E-01 | -4.3440E-02 | -1.5400E-02 | 2.5441E-02 | -1.3000E-03 | 3.6500E-04 | 3.8300E-04 | 2.3100E-04 | 3.7500E -05 |
| S8 | -5.7540E-02 | -1.5000E-02 | -2.9300E-03 | 1.1951E-02 | -3.0700E-03 | 4.3500E-04 | 2.6800E-05 | -1.9000E-05 | - 8.0000E -06 |
| S9 | 4.4507E-02 | -1.4330E-02 | 2.1062E-02 | -1.1820E-02 | 4.4000E-03 | -9.0000E-04 | -4.6000E- 05 | 3.7900E-07 | 1.2400E -05 |
| S10 | 7.3011E-02 | -2.6730E-02 | -1.4780E-02 | 1.6706E-02 | -3.4500E-03 | -4.8000E-07 | 1.8200E-06 | 1.0400E-06 | 7.9900E -07 |
| S11 | -9.5290E-02 | 8.1580E-03 | 3.4090E-03 | -4.0000E-04 | -2.1000E-05 | 2.4700E-07 | 1.6900E-07 | 4.4400E-08 | - 2.5000E -09 |
| S12 | -6.7670E-02 | 1.8840E-02 | -3.5000E-03 | 2.3800E-04 | -2.0000E-07 | 1.9200E-07 | 1.6500E-08 | 3.5600E-09 | - 1.5000E -09 |
Table 15
Figure 10 A show chromatic curve on the axis of the optical image microscope group of embodiment 5, indicate the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Figure 10 B show the astigmatism curve of the optical image microscope group of embodiment 5,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 10 C show the distortion curve of the optical image microscope group of embodiment 5,
Indicate the distortion sizes values in the case of different visual angles.Figure 10 D show that the ratio chromatism, of the optical image microscope group of embodiment 5 is bent
Line indicates deviation of the light via the different image heights after optical image microscope group on imaging surface.According to Figure 10 A to Figure 10 D
It is found that the optical image microscope group given by embodiment 5 can realize good image quality.
Embodiment 6
The optical image microscope group according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.
Figure 11 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 6.As shown in figure 11, according to
The optical image microscope group of embodiment 6 includes being respectively provided with the first to the 6th lens E1-E6 of object side and image side surface.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has positive light coke；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
The following table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical image microscope group of embodiment 6
Material and circular cone coefficient.Table 17 shows the high-order coefficient of each aspherical mirror in embodiment 6.Table 18 shows embodiment 6
The effective focal length f1 to f6 of each lens, the effective focal length f of optical image microscope group, the first lens E1 object side S1 to optical image
The maximum angle of half field-of view HFOV and optical image lens of distance TTLs of the imaging surface S15 of microscope group on optical axis, optical image microscope group
The F-number Fno of group.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 16
Table 17
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.2480E-03 | -5.8430E-02 | 3.0336E-01 | -9.3688E-01 | 1.7678E+00 | -2.0697E+00 | 1.4494E+ 00 | -5.5245E-01 | 8.5918E- 02 |
| S4 | 4.5805E-02 | 1.6874E-02 | -3.1405E-01 | 5.9701E-01 | -4.4094E-01 | -2.6200E-01 | 6.8695E- 01 | -4.3622E-01 | 9.3703E- 02 |
| S5 | -7.3600E-03 | 1.1639E-01 | -3.5742E-01 | 3.9401E-01 | 9.9720E-02 | -8.5036E-01 | 9.5577E- 01 | -4.2830E-01 | 6.3337E- 02 |
| S6 | -1.5910E-01 | 3.0738E-01 | -8.8868E-01 | 2.3031E+00 | -4.5096E+00 | 6.0215E+00 | -5.1161E +00 | 2.4763E+00 | - 5.1332E- 01 |
| S7 | -1.1546E-01 | -4.3660E-02 | -1.5420E-02 | 2.5535E-02 | -1.3000E-03 | 3.6500E-04 | 3.8300E- 04 | 2.3100E-04 | 3.7500E- 05 |
| S8 | -5.7750E-02 | -1.4910E-02 | -2.9100E-03 | 1.1944E-02 | -3.0700E-03 | 4.3500E-04 | 2.6800E- 05 | -1.9000E-05 | - 8.0000E- 06 |
| S9 | 4.5653E-02 | -1.5150E-02 | 2.0975E-02 | -1.1780E-02 | 4.4100E-03 | -9.1000E-04 | - 4.8000E- 05 | 4.1700E-07 | 1.2400E- 05 |
| S10 | 7.3103E-02 | -2.6480E-02 | -1.4810E-02 | 1.6705E-02 | -3.4500E-03 | -6.2000E-08 | 1.8200E- 06 | 1.0400E-06 | 8.0400E- 07 |
| S11 | -9.5270E-02 | 8.1490E-03 | 3.4070E-03 | -4.0000E-04 | -2.1000E-05 | 2.5000E-07 | 1.7000E- 07 | 4.4900E-08 | - 2.4000E- 09 |
| S12 | -6.7870E-02 | 1.8811E-02 | -3.5000E-03 | 2.3800E-04 | -2.0000E-07 | 1.9400E-07 | 1.7000E- 08 | 3.6300E-09 | - 1.5000E- 09 |
Table 18
| f1(mm) | -28.14 | f(mm) | 3.02 |
| f2(mm) | 2.57 | TTL(mm) | 6.15 |
| f3(mm) | -5.10 | HFOV(°) | 41.0 |
| f4(mm) | 99.78 | Fno | 1.70 |
| f5(mm) | 2.58 | ||
| f6(mm) | -3.21 |
Figure 12 A show chromatic curve on the axis of the optical image microscope group of embodiment 6, indicate the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Figure 12 B show the astigmatism curve of the optical image microscope group of embodiment 6,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 12 C show the distortion curve of the optical image microscope group of embodiment 6,
Indicate the distortion sizes values in the case of different visual angles.Figure 12 D show that the ratio chromatism, of the optical image microscope group of embodiment 6 is bent
Line indicates deviation of the light via the different image heights after optical image microscope group on imaging surface.According to Figure 12 A to Figure 12 D
It is found that the optical image microscope group given by embodiment 6 can realize good image quality.
Embodiment 7
The optical image microscope group according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.
Figure 13 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 7.As shown in figure 13, according to
The optical image microscope group of embodiment 7 includes being respectively provided with the first to the 6th lens E1-E6 of object side and image side surface.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has negative power；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
The following table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical image microscope group of embodiment 7
Material and circular cone coefficient.Table 20 shows the high-order coefficient of each aspherical mirror in embodiment 7.Table 21 shows embodiment 7
The effective focal length f1 to f6 of each lens, the effective focal length f of optical image microscope group, the first lens E1 object side S1 to optical image
The maximum angle of half field-of view HFOV and optical image lens of distance TTLs of the imaging surface S15 of microscope group on optical axis, optical image microscope group
The F-number Fno of group.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 19
Table 20
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 1.3495E-02 | -4.5960E-02 | 2.9809E-01 | -9.3089E-01 | 1.7770E+00 | -2.0714E+00 | 1.4463E+ 00 | -5.5245E-01 | 8.5908E- 02 |
| S4 | 7.8459E-02 | 2.7531E-02 | -3.0292E-01 | 6.0533E-01 | -4.3930E-01 | -2.6963E-01 | 6.7759E- 01 | -4.3624E-01 | 9.3660E- 02 |
| S5 | 2.6962E-02 | 1.0749E-01 | -3.5633E-01 | 4.1429E-01 | 1.0568E-01 | -8.8382E-01 | 9.5577E- 01 | -4.2831E-01 | 6.3287E- 02 |
| S6 | -1.7082E-01 | 3.0715E-01 | -8.7811E-01 | 2.2933E+00 | -4.5163E+00 | 6.0319E+00 | -5.1161E +00 | 2.4763E+00 | - 5.1332E- 01 |
| S7 | -1.7595E-01 | -5.7530E-02 | -1.8900E-03 | 9.9390E-03 | -2.1610E-02 | 3.7050E-02 | 3.6400E- 04 | 1.7000E-04 | 3.7500E- 05 |
| S8 | -1.1252E-01 | 3.7510E-03 | 3.5300E-03 | 1.0095E-02 | -4.2800E-03 | 4.8300E-04 | 3.1100E- 04 | 1.4400E-04 | - 9.5000E- 05 |
| S9 | 1.7428E-02 | -1.2870E-02 | 1.8884E-02 | -1.2370E-02 | 4.4860E-03 | -7.4000E-04 | 2.4200E- 05 | 2.3200E-05 | - 4.0000E- 06 |
| S10 | 7.1220E-02 | -3.7350E-02 | -6.5900E-03 | 1.6317E-02 | -4.0400E-03 | -1.4000E-04 | 6.6000E- 06 | 2.3700E-05 | 1.4100E- 05 |
| S11 | -1.4479E-01 | 3.3205E-02 | -1.7400E-03 | -1.0800E-03 | 1.9400E-05 | 4.6100E-05 | 8.6300E- 06 | -1.3000E-06 | - 1.5000E- 07 |
| S12 | -8.7340E-02 | 3.0167E-02 | -6.2800E-03 | 4.1100E-04 | 2.7800E-05 | -9.5000E-08 | - 3.7000E- 07 | -3.6000E-08 | 3.9700E- 09 |
Table 21
| f1(mm) | -32.67 | f(mm) | 3.08 |
| f2(mm) | 2.62 | TTL(mm) | 6.50 |
| f3(mm) | -4.90 | HFOV(°) | 41.0 |
| f4(mm) | -12.22 | Fno | 1.70 |
| f5(mm) | 2.07 | ||
| f6(mm) | -2.46 |
Figure 14 A show chromatic curve on the axis of the optical image microscope group of embodiment 7, indicate the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Figure 14 B show the astigmatism curve of the optical image microscope group of embodiment 7,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 14 C show the distortion curve of the optical image microscope group of embodiment 7,
Indicate the distortion sizes values in the case of different visual angles.Figure 14 D show that the ratio chromatism, of the optical image microscope group of embodiment 7 is bent
Line indicates deviation of the light via the different image heights after optical image microscope group on imaging surface.According to Figure 14 A to Figure 14 D
It is found that the optical image microscope group given by embodiment 7 can realize good image quality.
Embodiment 8
The optical image microscope group according to the embodiment of the present application 8 is described referring to Figure 15 to Figure 16 D.
Figure 15 shows the structural schematic diagram of the optical image microscope group according to the embodiment of the present application 8.As shown in figure 15, according to
The optical image microscope group of embodiment 8 includes being respectively provided with the first to the 6th lens E1-E6 of object side and image side surface.
In this embodiment, it is plane that the first lens E1, which has negative power, object side S1,；Second lens E2 has just
Focal power；The third lens E3 has negative power；4th lens E4 has negative power；5th lens E5 has positive light coke；
And the 6th lens E6 have negative power.
The following table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical image microscope group of embodiment 8
Material and circular cone coefficient.Table 23 shows the high-order coefficient of each aspherical mirror in embodiment 8.Table 24 shows embodiment 8
The effective focal length f1 to f6 of each lens, the effective focal length f of optical image microscope group, the first lens E1 object side S1 to optical image
The maximum angle of half field-of view HFOV and optical image lens of distance TTLs of the imaging surface S15 of microscope group on optical axis, optical image microscope group
The F-number Fno of group.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 22
Table 23
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 1.6362E-02 | -4.3520E-02 | 2.9767E-01 | -9.3336E-01 | 1.7756E+00 | -2.0681E+00 | 1.4403E+ 00 | -5.5245E- 01 | 8.5908E-02 |
| S4 | 7.3280E-02 | 3.7797E-02 | -3.1514E-01 | 5.8802E-01 | -4.5068E-01 | -2.6810E-01 | 6.7819E- 01 | -4.3624E- 01 | 9.3660E-02 |
| S5 | 2.8859E-02 | 1.1289E-01 | -3.5873E-01 | 3.9819E-01 | 9.1011E-02 | -8.8060E-01 | 9.5577E- 01 | -4.2831E- 01 | 6.3287E-02 |
| S6 | -1.4653E-01 | 2.7892E-01 | -8.7583E-01 | 2.3026E+00 | -4.5161E+00 | 6.0243E+00 | -5.1161E +00 | 2.4763E+00 | -5.1332E- 01 |
| S7 | -1.7478E-01 | -4.2820E-02 | -2.3950E-02 | -3.5800E-03 | -1.3240E-02 | 5.3523E-02 | 3.6400E- 04 | 1.7000E-04 | 3.7500E-05 |
| S8 | -8.2150E-02 | -9.0500E-03 | 3.5280E-03 | 1.3572E-02 | -3.1200E-03 | 1.0400E-04 | - 2.7000E- 04 | -6.5000E- 05 | 1.0600E-04 |
| S9 | 3.1575E-02 | -1.9650E-02 | 1.7927E-02 | -1.2250E-02 | 4.5870E-03 | -7.3000E-04 | 3.5300E- 06 | 1.1600E-05 | -2.3000E- 06 |
| S10 | 6.3609E-02 | -3.4340E-02 | -8.9900E-03 | 1.6335E-02 | -3.9800E-03 | -1.5000E-04 | - 4.9000E- 06 | 1.7300E-05 | 1.1800E-05 |
| S11 | -1.9059E-01 | 4.2555E-02 | -1.6300E-03 | -1.1400E-03 | -4.8000E-05 | 2.7800E-05 | 1.1300E- 05 | 1.1500E-06 | -6.1000E- 07 |
| S12 | -8.1500E-02 | 2.6114E-02 | -4.9300E-03 | 3.1000E-04 | 1.1600E-05 | 3.3600E-08 | - 1.4000E- 07 | -1.1000E- 08 | -3.2000E- 10 |
Table 24
| f1(mm) | -87.01 | f(mm) | 3.08 |
| f2(mm) | 3.12 | TTL(mm) | 6.53 |
| f3(mm) | -6.95 | HFOV(°) | 41.0 |
| f4(mm) | -14.08 | Fno | 1.70 |
| f5(mm) | 2.08 | ||
| f6(mm) | -2.59 |
Figure 16 A show chromatic curve on the axis of the optical image microscope group of embodiment 8, indicate the light warp of different wave length
Deviateed by the converging focal point after optical image microscope group.Figure 16 B show the astigmatism curve of the optical image microscope group of embodiment 8,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 16 C show the distortion curve of the optical image microscope group of embodiment 8,
Indicate the distortion sizes values in the case of different visual angles.Figure 16 D show that the ratio chromatism, of the optical image microscope group of embodiment 8 is bent
Line indicates deviation of the light via the different image heights after optical image microscope group on imaging surface.According to Figure 16 A to Figure 16 D
It is found that the optical image microscope group given by embodiment 8 can realize good image quality.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in following table 25 respectively.
Table 25
| Conditional/embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| f1/f | -8.76 | -4.43 | -4.03 | -12.02 | -9.24 | -9.32 | -10.61 | -28.25 |
| f/f5 | 1.37 | 1.46 | 1.64 | 1.48 | 1.17 | 1.17 | 1.49 | 1.48 |
| f/f2 | 1.19 | 1.20 | 1.08 | 1.31 | 1.19 | 1.18 | 1.17 | 0.99 |
| f3/f | -1.68 | -2.17 | -2.82 | -1.23 | -1.64 | -1.69 | -1.59 | -2.26 |
| f/f6 | -1.20 | -0.96 | -1.14 | -1.03 | -0.95 | -0.94 | -1.25 | -1.19 |
| tan(HFOV) | 0.88 | 0.90 | 0.90 | 0.87 | 0.87 | 0.87 | 0.87 | 0.87 |
| f/R2 | 0.22 | 0.44 | 0.48 | 0.16 | 0.21 | 0.21 | 0.18 | 0.07 |
| R6/R3 | 1.30 | 1.29 | 1.36 | 1.45 | 1.30 | 1.30 | 1.21 | 1.17 |
| CT4/CT3 | 1.36 | 1.00 | 1.25 | 0.93 | 1.37 | 1.37 | 1.00 | 1.00 |
| CT5/TTL*10 | 1.62 | 1.83 | 2.50 | 1.34 | 1.39 | 1.37 | 1.82 | 1.92 |
| T45/T34 | 0.30 | 0.32 | 0.12 | 0.51 | 0.33 | 0.33 | 0.12 | 0.14 |
| (T12*2)/TTL | 0.16 | 0.17 | 0.17 | 0.60 | 0.20 | 0.21 | 0.52 | 0.52 |
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 technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (15)
1. optical image microscope group, along optical axis by object side to image side include sequentially first lens with focal power, the second lens,
The third lens, the 4th lens, the 5th lens and the 6th lens,
It is characterized in that,
It is plane that first lens, which have negative power, object side,；
Second lens have positive light coke；
5th lens have positive light coke；
6th lens have negative power；And
Meet between the effective focal length f of the optical image microscope group and the effective focal length f5 of the 5th lens：1<f/f5<3.
2. optical image microscope group according to claim 1, which is characterized in that the effective focal length f of the optical image microscope group
Meet between the effective focal length f2 of second lens：0.5<f/f2<1.5.
3. optical image microscope group according to claim 1, which is characterized in that the 4th lens and the 5th lens exist
The airspace T45 and airspace T34 of the third lens and the 4th lens on the optical axis on the optical axis
Between meet：0.1<T45/T34<0.6.
4. optical image microscope group according to any one of claim 1-3, which is characterized in that first lens it is effective
Meet between focal length f1 and the effective focal length f of the optical image group：f1/f<-3.
5. optical image microscope group according to any one of claim 1-3, which is characterized in that the optical image microscope group
Meet between effective focal length f and the effective focal length f3 of the third lens：-3<f3/f<-1.
6. optical image microscope group according to any one of claim 1-3, which is characterized in that the optical image microscope group
Meet between effective focal length f and the effective focal length f6 of the 6th lens：-1.5<f/f6<-0.5.
7. optical image microscope group according to any one of claim 1-3, which is characterized in that the optical image microscope group
Meet between the radius of curvature R 2 of the image side surface of effective focal length f and first lens：0<f/R2<1.
8. optical image microscope group according to claim 7, which is characterized in that the effective focal length f1 of first lens and institute
It states and meets between the effective focal length f of optical image group：-30<f1/f<-3.
9. optical image microscope group according to any one of claim 1-3, which is characterized in that the image side of the third lens
Meet between the radius of curvature R 3 of the object side of the radius of curvature R 6 in face and second lens：1<R6/R3<1.5.
10. optical image microscope group according to any one of claim 1-3, which is characterized in that the third lens are in institute
It states and meets between the center thickness CT4 of the center thickness CT3 on optical axis and the 4th lens on the optical axis：0.5<CT4/
CT3<1.5。
11. optical image microscope group according to any one of claim 1-3, which is characterized in that first lens and institute
The object sides of airspace T12 of second lens on the optical axis and first lens is stated to the optical image microscope group
Imaging surface meets between the distance TTL on the optical axis：0.1<(T12*2)/TTL<0.8.
12. optical image microscope group according to any one of claim 1-3, which is characterized in that the object of first lens
Side to distance TTL and fiveth lens of the imaging surface on the optical axis of the optical image microscope group center thickness
Meet between CT5：1.3<CT5/TTL*10<2.6.
13. optical image microscope group according to any one of claim 1-3, which is characterized in that the optical image microscope group
Maximum angle of half field-of view HFOV meet conditional：tan(HFOV)>0.8.
14. optical image microscope group, along optical axis by object side to image side include sequentially first lens with focal power, second thoroughly
Mirror, the third lens, the 4th lens, the 5th lens and the 6th lens,
It is characterized in that,
It is plane that first lens, which have negative power, object side,；
Second lens have positive light coke；
5th lens have positive light coke；
6th lens have negative power；And
Meet between the effective focal length f of the optical image microscope group and the effective focal length f2 of second lens：0.5<f/f2<
1.5。
15. optical image microscope group, along optical axis by object side to image side include sequentially first lens with focal power, second thoroughly
Mirror, the third lens, the 4th lens, the 5th lens and the 6th lens,
It is characterized in that,
It is plane that first lens, which have negative power, object side,；
Second lens have positive light coke；
5th lens have positive light coke；
6th lens have negative power；And
Meet between the effective focal length f of the optical image microscope group and the effective focal length f3 of the third lens：-3<f3/f<-1.
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| CN201810471501.6A CN108459397B (en) | 2018-05-17 | 2018-05-17 | Optical image lens assembly |
| PCT/CN2019/077283 WO2019218759A1 (en) | 2018-05-17 | 2019-03-07 | Optical imaging lens group |
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| WO2019218759A1 (en) * | 2018-05-17 | 2019-11-21 | 浙江舜宇光学有限公司 | Optical imaging lens group |
| CN111316151A (en) * | 2019-01-30 | 2020-06-19 | 深圳市大疆创新科技有限公司 | Imaging lens, imaging device and electronic equipment |
| WO2021127883A1 (en) * | 2019-12-23 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Optical camera lens |
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| CN108459397B (en) | 2023-06-09 |
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| CN116430551A (en) | 2023-07-14 |
| CN116466473A (en) | 2023-07-21 |
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