CN208477190U - Optical imagery eyeglass group - Google Patents
Optical imagery eyeglass group Download PDFInfo
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- CN208477190U CN208477190U CN201820868579.7U CN201820868579U CN208477190U CN 208477190 U CN208477190 U CN 208477190U CN 201820868579 U CN201820868579 U CN 201820868579U CN 208477190 U CN208477190 U CN 208477190U
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Abstract
This application discloses a kind of optical imagery eyeglass group, which sequentially includes: the first lens, 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, the first lens have focal power, and object side is concave surface, and image side surface is convex surface；Second lens have positive light coke；The third lens have negative power；4th lens have focal power；5th lens have negative power；6th lens have focal power.The radius of curvature R 3 of the object side of the effective focal length f2 and the second lens of second lens meets 1.5 < f2/R3 < 2.
Description
Technical field
This application involves a kind of optical imagery eyeglass groups, more specifically, this application involves a kind of tools including six-element lens
There is the optical imagery eyeglass group of focal length characteristic.
Background technique
In recent years, mobile phone has become essential communication apparatus in people's life, requirement of the people to cell-phone function
Also further stringent.Especially for the common camera function of mobile phone, not requiring nothing more than entrained camera has high pixel, high score
The characteristics such as resolution, big field angle, it is also desirable to have focal length characteristic, can clearly shoot the object in a more distant place.
Therefore, the invention proposes a kind of with long-focus, the characteristics such as big and hyposensitivity are imaged on egative film, is applicable in
In the optical imagery eyeglass group of portable electronic product.
Utility model content
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art
The optical imagery eyeglass group of at least one above-mentioned disadvantage, for example, the lens set with focal length characteristic.
On the one hand, this application provides such a optical imagery eyeglass group, the lens set is along optical axis by object side to picture
Side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first thoroughly
Mirror has positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus
Degree；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light focus
Degree；6th lens have positive light coke or negative power.Wherein, the object side of the effective focal length f2 of the second lens and the second lens
Radius of curvature R 3 can meet 1.5 < f2/R3 < 2.
In one embodiment, the maximum angle of half field-of view HFOV of optical imagery eyeglass group can meet tan (HFOV) <
0.5。
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f3 of the third lens can
Meet -2.5 < f/f3 < -1.
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f5 of the 5th lens can
Meet -2 < f/f5 < -0.5.
In one embodiment, the curvature of the image side surface of the radius of curvature R 1 and the 4th lens of the object side of the first lens
Radius R8 can meet 2 < R1/R8 < 3.2.
In one embodiment, the radius of curvature R 2 of the image side surface of the first lens and optical imagery eyeglass group it is total effectively
Focal length f can meet -1.5 < R2/f < -0.5.
In one embodiment, the group of total the effective focal length f and the second lens and the third lens of optical imagery eyeglass group
Complex focus f23 can meet 1 < f/f23 < 2.
In one embodiment, the group of total the effective focal length f and the 4th lens and the 5th lens of optical imagery eyeglass group
Complex focus f45 can meet -1 < f/f45 < 0.
In one embodiment, the 6th lens on optical axis center thickness CT6 and the second lens on optical axis
Heart thickness CT2 can meet 0 < CT6/CT2 < 1.
In one embodiment, spacing distance T34 and the 5th lens on optical axis of the third lens and the 4th lens and
Spacing distance T56 of 6th lens on optical axis can meet 0 < T34/T56 < 1.
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f1 of the first lens can
Meet | f/f1 | < 0.5.
In one embodiment, the object side of the first lens and image side surface can be spherical surface.
In one embodiment, the first lens exist in the center thickness CT1 on optical axis with the first lens and the second lens
Spacing distance T12 on optical axis can meet 1.6 < CT1/T12 < 2.6.
In one embodiment, edge thickness ET6 and sixth lens of the 6th lens at maximum effective radius are in light
Center thickness CT6 on axis can meet 0.3 < ET6/CT6 < 0.8.
On the other hand, present invention also provides such a optical imagery eyeglass group, the lens set is along optical axis by object side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens to image side.Wherein,
One lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have just
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative
Focal power；6th lens have positive light coke or negative power.Wherein, total effective focal length f and the 4th of optical imagery eyeglass group
The combined focal length f45 of lens and the 5th lens can meet -1 < f/f45 < 0.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, the maximum angle of half field-of view HFOV of optical imagery eyeglass group can expire
Sufficient tan (HFOV) < 0.5.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, total effective focal length f and the 5th of optical imagery eyeglass group is saturating
The effective focal length f5 of mirror can meet -2 < f/f5 < -0.5.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, the radius of curvature R 1 of the object side of the first lens and the 4th thoroughly
The radius of curvature R 8 of the image side surface of mirror can meet 2 < R1/R8 < 3.2.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, the radius of curvature R 2 of the image side surface of the first lens and optics at
As total effective focal length f of lens set can meet -1.5 < R2/f < -0.5.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, total effective focal length f and second of optical imagery eyeglass group is saturating
Mirror and the combined focal length f23 of the third lens can meet 1 < f/f23 < 2.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, total effective focal length f of the optical imagery eyeglass group and institute
The effective focal length f3 for stating the third lens meets -2.5 < f/f3 < -1.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, the 6th lens are in the center thickness CT6 and second on optical axis
Lens can meet 0 < CT6/CT2 < 1 in the center thickness CT2 on optical axis.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, the spacing distance of the third lens and the 4th lens on optical axis
The spacing distance T56 of T34 and the 5th lens and the 6th lens on optical axis can meet 0 < T34/T56 < 1.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, the first lens are in the center thickness CT1 and first on optical axis
The spacing distance T12 of lens and the second lens on optical axis can meet 1.6 < CT1/T12 < 2.6.
Another aspect, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Wherein, first
Lens have positive light coke or negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light
Focal power；The third lens can have negative power；4th lens have positive light coke or negative power；5th lens can have negative light
Focal power；6th lens have positive light coke or negative power.Wherein, edge thickness of the 6th lens at maximum effective radius
ET6 and the 6th lens can meet 0.3 < ET6/CT6 < 0.8 in the center thickness CT6 on optical axis.
The application use six-element lens, by each power of lens of reasonable distribution, face type, each lens center thickness
And spacing etc. on the axis between each lens so that above-mentioned optical imagery eyeglass group have long-focus, be imaged on egative film it is big and
At least one beneficial effect such as hyposensitivity.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 1, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 2, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 3, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 4, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 5, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 6, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imagery eyeglass 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 imagery eyeglass group of embodiment 7, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 8, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imagery eyeglass group of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 9, astigmatism curve,
Distortion curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of 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.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease 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.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as the object of the lens close to the surface of object side
Side, each lens are known as the image side surface of the lens close to the surface of image side.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
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 and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
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 feature of the application, principle and other aspects are described in detail below.
Optical imagery eyeglass group according to the application illustrative embodiments may include such as six saturating with focal power
Mirror, that is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six-element lens is along light
Axis all has airspace by object side to image side sequential, and between each adjacent lens.
In the exemplary embodiment, the first lens have positive light coke or negative power, and object side can be concave surface, as
Side can be convex surface；Second lens can have positive light coke；The third lens can have negative power；4th lens have positive light focus
Degree or negative power；5th lens can have negative power；6th lens have positive light coke or negative power.
In the exemplary embodiment, the object side of the second lens can be convex surface.
In the exemplary embodiment, the image side surface of the 4th lens can be convex surface.
In the exemplary embodiment, the object side of the first lens and image side surface can be spherical surface.By the object of the first lens
Side and image side surface are arranged as spherical surface, can effectively correct the curvature of field of optical system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional tan (HFOV) < 0.5,
Wherein, HFOV is the maximum angle of half field-of view of optical imagery eyeglass group.More specifically, HFOV can further meet 0.3≤tan
, such as 0.35≤tan (HFOV)≤0.39 (HFOV)≤0.4.The rationally maximum angle of half field-of view of control optical imagery eyeglass group, can
The image quality of active balance optical system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1.5 < f2/R3 < 2 of conditional,
In, f2 is the effective focal length of the second lens, and R3 is the radius of curvature of the object side of the second lens.More specifically, f2 and R3 is into one
Step can meet 1.52≤f2/R3≤1.83.The rationally effective focal length of the second lens of control and the curvature of the second lens object side half
Ratio between diameter can reduce astigmatism and the distortion of system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -2.5 < -1 < f/f3 of conditional,
Wherein, f is total effective focal length of optical imagery eyeglass group, and f3 is the effective focal length of the third lens.More specifically, f and f3 is into one
Step can meet -2.2≤f/f3≤- 1.2, such as -2.08≤f/f3≤- 1.33.Reasonable distribution optical imagery eyeglass group always has
The ratio for imitating the effective focal length of focal length and the third lens, can effectively distribute focal power, the spherical aberration and distortion of balance system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -2 < -0.5 < f/f5 of conditional,
Wherein, f is total effective focal length of optical imagery eyeglass group, and f5 is the effective focal length of the 5th lens.More specifically, f and f5 is into one
Step can meet -1.70≤f/f5≤- 0.60, such as -1.60≤f/f5≤- 0.64.Reasonable distribution optical imagery eyeglass group it is total
The ratio of effective focal length and the effective focal length of the 5th lens, can effectively distribute focal power, reduce the sensibility of system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 2 < R1/R8 < 3.2 of conditional,
In, R1 is the radius of curvature of the object side of the first lens, and R8 is the radius of curvature of the image side surface of the 4th lens.More specifically, R1
2.02≤R1/R8≤3.16 can further be met with R8.The rationally radius of curvature and the 4th lens of the first lens object side of control
The ratio of the radius of curvature of image side surface, can preferably matching chip chief ray angle.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -1.5 < R2/f < of conditional -
0.5, wherein R2 is the radius of curvature of the image side surface of the first lens, and f is total effective focal length of optical imagery eyeglass group.More specifically
Ground, R2 and f can further meet -1.5 < R2/f≤- 0.80, for example, -1.40≤R2/f≤- 0.86.Rationally control first is thoroughly
The ratio of total effective focal length of the radius of curvature and optical imagery eyeglass group of mirror image side, the spherical aberration of energy active balance system, broom
Difference, astigmatism and distortion.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1 < f/f23 < 2 of conditional,
In, f is total effective focal length of optical imagery eyeglass group, and f23 is the combined focal length of the second lens and the third lens.More specifically, f
1.1≤f/f23≤1.7, such as 1.15≤f/f23≤1.64 can further be met with f23.Rationally control optical imagery eyeglass group
Total effective focal length and the second lens and the combined focal length of the third lens between ratio, can the spherical aberration of active balance system and abnormal
Become.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -1 < f/f45 < 0 of conditional,
In, f is total effective focal length of optical imagery eyeglass group, and f45 is the combined focal length of the 4th lens and the 5th lens.More specifically, f
- 0.93≤f/f45≤- 0.19 can further be met with f45.Rationally total effective focal length and the 4th of control optical imagery eyeglass group
Ratio between lens and the combined focal length of the 5th lens, can active balance system astigmatism and distortion.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0 < CT6/CT2 < 1 of conditional,
In, CT6 is the 6th lens in the center thickness on optical axis, and CT2 is the second lens in the center thickness on optical axis.More specifically,
CT6 and CT2 can further meet 0.2≤CT6/CT2≤0.8, such as 0.22≤CT6/CT2≤0.79.Rationally control CT6 with
Ratio between CT2, it is ensured that the miniaturization of optical system structure.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0 < T34/T56 < 1 of conditional,
In, T34 is the spacing distance of the third lens and the 4th lens on optical axis, and T56 is the 5th lens and the 6th lens on optical axis
Spacing distance.More specifically, T34 and T56 can further meet 0.2≤T34/T56≤0.9, such as 0.29≤T34/T56≤
0.82.The spacing distance and the 5th lens and the 6th lens of reasonable Arrangement the third lens and the 4th lens on optical axis are in optical axis
On spacing distance, be conducive to slow down deflection of light angle, reduce system sensitivity.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional | f/f1 | < 0.5,
In, f is total effective focal length of optical imagery eyeglass group, and f1 is the effective focal length of the first lens.More specifically, f and f1 are further
It can meet 0≤| f/f1 |≤0.2, for example, 0.02≤| f/f1 |≤0.13.Total effective coke of reasonable Arrangement optical imagery eyeglass group
Ratio between effective focal length away from the first lens can be effectively reduced the flexion ability of the front end light of optical system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1.6 < CT1/T12 < of conditional
2.6, wherein CT1 is the first lens in the center thickness on optical axis, T12 be the first lens and the second lens on optical axis between
Gauge from.More specifically, CT1 and T12 can further meet 1.66≤CT1/T12≤2.56.Between reasonable layout CT1 and T12
Ratio, can effectively correct astigmatism and the distortion of optical system, while can guarantee camera lens compact dimensioning characteristic.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.3 < ET6/CT6 < of conditional
0.8, wherein ET6 is edge thickness of the 6th lens at maximum effective radius, and CT6 is the 6th lens in the center on optical axis
Thickness.More specifically, ET6 and CT6 can further meet 0.32≤ET6/CT6≤0.79.The rationally edge of the 6th lens of control
Thickness can effectively reduce system dimension in the center thickness on optical axis with it, and meet focal length characteristic；Be conducive to adjustment system simultaneously
System structure reduces machining eyeglass and assembling difficulty.
In the exemplary embodiment, above-mentioned optical imagery eyeglass group may also include at least one diaphragm, to promote camera lens
Image quality.For example, diaphragm may be provided between the first lens and the second lens.
Optionally, above-mentioned optical imagery eyeglass group may also include optical filter for correcting color error ratio and/or for protecting
Shield is located at the protection glass of the photosensitive element on imaging surface.
Multi-disc eyeglass can be used according to the optical imagery eyeglass group of the above embodiment of the application, such as described above
Six.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imaging lens
Piece group, which is more advantageous to, to be produced and processed and is applicable to the portable electronic products such as mobile phone.Optical imaging lens through the above configuration
Piece group can also have longer focal length and relatively neglect rink corner, the characteristics such as larger and hyposensitivity be imaged on egative film.
In presently filed embodiment, at least one of mirror surface of each lens in addition to the first lens is aspherical
Mirror surface.The characteristics of non-spherical lens is: from lens centre to lens perimeter, curvature is consecutive variations.Compared with spherical lens,
Non-spherical lens has more preferably radius of curvature characteristic, has the advantages that improve and distorts aberration and improvement astigmatic image error.In system
Non-spherical lens is mostly used, the aberration occurred when imaging can be eliminated, as much as possible so as to improve image quality.
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 optical imagery eyeglass group can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described by taking six lens as an example in embodiments, which is not limited to include six
A lens.If desired, the optical imagery eyeglass group may also include the lens of other quantity.
The specific implementation for being applicable to the optical imagery eyeglass group of above embodiment is further described with reference to the accompanying drawings
Example.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the optical imagery eyeglass group of the embodiment of the present application 1.Fig. 1 shows basis
The structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 1.
As shown in Figure 1, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 1 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 1
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of the first lens E1 and image side surface are spherical surface, and the second lens E2 is into the 6th lens E6
Any one lens object side and image side surface be aspherical.In the present embodiment, the face type x of each non-spherical lens can benefit
With but be not limited to following aspherical formula and be defined:
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, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of mirror surface S3-S124、A6、A8、A10、A12、A14、A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9100E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -9.7940E-02 | 7.2955E-02 | -4.8220E-02 | 2.3231E-02 | -7.5900E-03 | 1.5770E-03 | -1.9000E-04 | 1.0500E-05 | -9.2000E-08 |
Table 2
Table 3 provides total effective focal length f, the light of the effective focal length f1 to f6 of each lens in embodiment 1, optical imagery eyeglass group
Learn total length TTL (that is, distance from the center of the object side S1 of the first lens E1 to imaging surface S15 on optical axis) and maximum
Angle of half field-of view HFOV.
| f1(mm) | -381.71 | f6(mm) | -23.29 |
| f2(mm) | 2.36 | f(mm) | 5.81 |
| f3(mm) | -3.46 | TTL(mm) | 5.75 |
| f4(mm) | 8.53 | HFOV(°) | 20.8 |
| f5(mm) | -4.54 |
Table 3
Optical imagery eyeglass group in embodiment 1 meets:
Tan (HFOV)=0.38, wherein HFOV is the maximum angle of half field-of view of optical imagery eyeglass group；
F2/R3=1.58, wherein f2 is the effective focal length of the second lens E2, and R3 is the object side S3's of the second lens E2
Radius of curvature；
F/f3=-1.68, wherein f is total effective focal length of optical imagery eyeglass group, and f3 is effective coke of the third lens E3
Away from；
F/f5=-1.28, wherein f is total effective focal length of optical imagery eyeglass group, and f5 is effective coke of the 5th lens E5
Away from；
R1/R8=2.35, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, and R8 is the 4th lens E4's
The radius of curvature of image side surface S8；
R2/f=-1.11, wherein R2 is the radius of curvature of the image side surface S2 of the first lens E1, and f is optical imagery eyeglass group
Total effective focal length；
F/f23=1.38, wherein f is total effective focal length of optical imagery eyeglass group, and f23 is the second lens E2 and third
The combined focal length of lens E3；
F/f45=-0.61, wherein f is total effective focal length of optical imagery eyeglass group, and f45 is the 4th lens E4 and the 5th
The combined focal length of lens E5；
CT6/CT2=0.60, wherein CT6 is the 6th lens E6 in the center thickness on optical axis, and CT2 is the second lens E2
In the center thickness on optical axis；
T34/T56=0.49, wherein T34 is the spacing distance of the third lens E3 and the 4th lens E4 on optical axis, T56
For the spacing distance of the 5th lens E5 and the 6th lens E6 on optical axis；
| f/f1 |=0.02, wherein f is total effective focal length of optical imagery eyeglass group, and f1 is the effective of the first lens E1
Focal length；
CT1/T12=2.10, wherein CT1 is the first lens E1 in the center thickness on optical axis, and T12 is the first lens E1
With spacing distance of the second lens E2 on optical axis；
ET6/CT6=0.65, wherein ET6 is edge thickness of the 6th lens E6 at maximum effective radius, CT6 the
Six lens E6 are in the center thickness on optical axis.
Fig. 2A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 1, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 1, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imagery eyeglass group of embodiment 1, indicates not
With distortion sizes values corresponding to image height.Fig. 2 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 1, table
Show light via the deviation of the different image heights after camera lens on imaging surface.A to Fig. 2 D is it is found that given by embodiment 1 according to fig. 2
Optical imagery eyeglass group can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imagery eyeglass group of the embodiment of the present application 2.The present embodiment and with
In lower embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application
The structural schematic diagram of 2 optical imagery eyeglass group.
As shown in figure 3, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 4 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 2
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of the first lens E1 and image side surface are spherical surface, and the second lens E2 is extremely
The object side of any one lens in 6th lens E6 and image side surface are aspherical.Table 5, which is shown, can be used in embodiment 2
The high-order coefficient of each aspherical mirror, 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 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9100E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -9.7360E-02 | 7.2309E-02 | -4.7660E-02 | 2.2889E-02 | -7.4500E-03 | 1.5450E-03 | -1.9000E-04 | 1.0200E-05 | -8.9000E-08 |
Table 5
Table 6 provides total effective focal length f, the light of the effective focal length f1 to f6 of each lens in embodiment 2, optical imagery eyeglass group
Learn total length TTL and maximum angle of half field-of view HFOV.
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 2, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 2, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imagery eyeglass group of embodiment 2, indicates not
With distortion sizes values corresponding to image height.Fig. 4 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 2, table
Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that given by embodiment 2
Optical imagery eyeglass group can be realized good image quality.
Embodiment 3
The optical imagery eyeglass group according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows root
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 3.
As shown in figure 5, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 7 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 3
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side of the first lens E1 and image side surface are spherical surface, and the second lens E2 is extremely
The object side of any one lens in 6th lens E6 and image side surface are aspherical.Table 8, which is shown, can be used in embodiment 3
The high-order coefficient of each aspherical mirror, 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 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9100E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -6.6993E-02 | 4.1273E-02 | -2.2560E-02 | 8.9900E-03 | -2.4300E-03 | 4.1800E-04 | -4.2000E-05 | 1.9000E-06 | -1.4000E-08 |
Table 8
Table 9 provides total effective focal length f, the light of the effective focal length f1 to f6 of each lens in embodiment 3, optical imagery eyeglass group
Learn total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -49.78 | f6(mm) | -18.88 |
| f2(mm) | 2.27 | f(mm) | 5.79 |
| f3(mm) | -4.06 | TTL(mm) | 5.76 |
| f4(mm) | 9.55 | HFOV(°) | 21.0 |
| f5(mm) | -4.16 |
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 3, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 3, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imagery eyeglass group of embodiment 3, indicates not
With distortion sizes values corresponding to image height.Fig. 6 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 3, table
Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that given by embodiment 3
Optical imagery eyeglass group can be realized good image quality.
Embodiment 4
The optical imagery eyeglass group according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows root
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 4
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 10
As shown in Table 10, in example 4, the object side of the first lens E1 and image side surface are spherical surface, the second lens E2
The object side of any one lens into the 6th lens E6 and image side surface are aspherical.Table 11, which is shown, can be used for embodiment
The high-order coefficient of each aspherical mirror in 4, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1
It is fixed.
Table 11
Table 12 provide the effective focal length f1 to f6 of each lens in embodiment 4, optical imagery eyeglass group total effective focal length f,
Optics total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -165.76 | f6(mm) | -39.73 |
| f2(mm) | 2.41 | f(mm) | 5.78 |
| f3(mm) | -2.78 | TTL(mm) | 5.76 |
| f4(mm) | 4.76 | HFOV(°) | 19.7 |
| f5(mm) | -4.03 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 4, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 4, indicates son
Noon curvature of the image and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imagery eyeglass group of embodiment 4, indicates not
With distortion sizes values corresponding to image height.Fig. 8 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 4, table
Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that given by embodiment 4
Optical imagery eyeglass group can be realized good image quality.
Embodiment 5
The optical imagery eyeglass group according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 shows root
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 5.
As shown in figure 9, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 5
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of the first lens E1 and image side surface are spherical surface, the second lens E2
The object side of any one lens into the 6th lens E6 and image side surface are aspherical.Table 14, which is shown, can be used for embodiment
The high-order coefficient of each aspherical mirror in 5, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1
It is fixed.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9100E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -3.9160E-02 | 1.8444E-02 | -7.7100E-03 | 2.3480E-03 | -4.8000E-04 | 6.3700E-05 | -4.8000E-06 | 1.7000E-07 | -9.3000E-10 |
Table 14
Table 15 provide the effective focal length f1 to f6 of each lens in embodiment 5, optical imagery eyeglass group total effective focal length f,
Optics total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -92.07 | f6(mm) | -21.63 |
| f2(mm) | 2.35 | f(mm) | 5.78 |
| f3(mm) | -3.70 | TTL(mm) | 5.75 |
| f4(mm) | 12.25 | HFOV(°) | 21.1 |
| f5(mm) | -5.44 |
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 5, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 5, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imagery eyeglass group of embodiment 5, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 10 D shows the optical imagery eyeglass group of embodiment 5 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 10 A to Figure 10 D it is found that implementing
Optical imagery eyeglass group given by example 5 can be realized good image quality.
Embodiment 6
The optical imagery eyeglass group according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 6.
As shown in figure 11, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 6
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side of the first lens E1 and image side surface are spherical surface, the second lens E2
The object side of any one lens into the 6th lens E6 and image side surface are aspherical.Table 17, which is shown, can be used for embodiment
The high-order coefficient of each aspherical mirror in 6, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1
It is fixed.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9100E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -1.4940E-01 | 1.3745E-01 | -1.1222E-01 | 6.6765E-02 | -2.6930E-02 | 6.9150E-03 | -1.0300E-03 | 7.0300E-05 | -7.6000E-07 |
Table 17
Table 18 provide the effective focal length f1 to f6 of each lens in embodiment 6, optical imagery eyeglass group total effective focal length f,
Optics total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -71.08 | f6(mm) | -44.01 |
| f2(mm) | 2.31 | f(mm) | 5.78 |
| f3(mm) | -3.72 | TTL(mm) | 5.75 |
| f4(mm) | 7.67 | HFOV(°) | 21.1 |
| f5(mm) | -3.67 |
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 6, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 6, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imagery eyeglass group of embodiment 6, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 12 D shows the optical imagery eyeglass group of embodiment 6 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 12 A to Figure 12 D it is found that implementing
Optical imagery eyeglass group given by example 6 can be realized good image quality.
Embodiment 7
The optical imagery eyeglass group according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 7.
As shown in figure 13, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 7
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the object side of the first lens E1 and image side surface are spherical surface, the second lens E2
The object side of any one lens into the 6th lens E6 and image side surface are aspherical.Table 20, which is shown, can be used for embodiment
The high-order coefficient of each aspherical mirror in 7, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1
It is fixed.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9100E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -1.4854E-01 | 1.3626E-01 | -1.1093E-01 | 6.5807E-02 | -2.6470E-02 | 6.7760E-03 | -1.0000E-03 | 6.8500E-05 | -7.3000E-07 |
Table 20
Table 21 provide the effective focal length f1 to f6 of each lens in embodiment 7, optical imagery eyeglass group total effective focal length f,
Optics total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -69.61 | f6(mm) | -45.59 |
| f2(mm) | 2.31 | f(mm) | 5.78 |
| f3(mm) | -3.73 | TTL(mm) | 5.75 |
| f4(mm) | 7.51 | HFOV(°) | 20.5 |
| f5(mm) | -3.62 |
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 7, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 7, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imagery eyeglass group of embodiment 7, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 14 D shows the optical imagery eyeglass group of embodiment 7 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 14 A to Figure 14 D it is found that implementing
Optical imagery eyeglass group given by example 7 can be realized good image quality.
Embodiment 8
The optical imagery eyeglass group according to the embodiment of the present application 8 is described referring to Figure 15 to Figure 16 D.Figure 15 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 8.
As shown in figure 15, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 8
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of the first lens E1 and image side surface are spherical surface, the second lens E2
The object side of any one lens into the 6th lens E6 and image side surface are aspherical.Table 23, which is shown, can be used for embodiment
The high-order coefficient of each aspherical mirror in 8, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1
It is fixed.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9104E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -8.7019E-02 | 6.1099E-02 | -3.8070E-02 | 1.7286E-02 | -5.3200E-03 | 1.0430E-03 | -1.2000E-04 | 6.1800E-06 | -5.1000E-08 |
Table 23
Table 24 provide the effective focal length f1 to f6 of each lens in embodiment 8, optical imagery eyeglass group total effective focal length f,
Optics total length TTL and maximum angle of half field-of view HFOV.
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 8, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 8, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imagery eyeglass group of embodiment 8, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 16 D shows the optical imagery eyeglass group of embodiment 8 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 16 A to Figure 16 D it is found that implementing
Optical imagery eyeglass group given by example 8 can be realized good image quality.
Embodiment 9
The optical imagery eyeglass group according to the embodiment of the present application 9 is described referring to Figure 17 to Figure 18 D.Figure 17 shows
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 9.
As shown in figure 17, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: the first lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, optical filter E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is concave surface, and image side surface S12 is convex surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 9
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 25
As shown in Table 25, in embodiment 9, the object side of the first lens E1 and image side surface are spherical surface, the second lens E2
The object side of any one lens into the 6th lens E6 and image side surface are aspherical.Table 26, which is shown, can be used for embodiment
The high-order coefficient of each aspherical mirror in 9, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1
It is fixed.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S3 | 8.2950E-03 | 4.1480E-03 | -5.6200E-03 | 1.6726E-02 | -1.9770E-02 | 1.1831E-02 | -2.8800E-03 | 0.0000E+00 | 0.0000E+00 |
| S4 | -3.0100E-03 | 1.2975E-01 | -1.9918E-01 | 1.5679E-01 | -6.2860E-02 | 4.9310E-03 | 3.1230E-03 | 0.0000E+00 | 0.0000E+00 |
| S5 | -1.0107E-01 | 3.6352E-01 | -6.1741E-01 | 6.2974E-01 | -3.7504E-01 | 1.1554E-01 | -1.1430E-02 | 0.0000E+00 | 0.0000E+00 |
| S6 | 2.0446E-02 | 8.5194E-02 | -8.1470E-02 | -2.4986E-01 | 6.6525E-01 | -6.0008E-01 | 1.9440E-01 | 0.0000E+00 | 0.0000E+00 |
| S7 | -1.4854E-01 | -1.9104E-02 | 7.9712E-01 | -5.6448E+00 | 1.8782E+01 | -4.0569E+01 | 5.5723E+01 | -4.3031E+01 | 1.3774E+01 |
| S8 | -5.9725E-01 | 3.2551E+00 | -1.4880E+01 | 5.4157E+01 | -1.4902E+02 | 2.7876E+02 | -3.2751E+02 | 2.1725E+02 | -6.2199E+01 |
| S9 | -4.6046E-01 | 1.8106E+00 | -4.5956E+00 | 6.7290E+00 | -7.3016E+00 | 6.1585E+00 | -2.8038E+00 | 0.0000E+00 | 0.0000E+00 |
| S10 | -2.5376E-01 | 7.8356E-01 | -1.5539E+00 | 1.9312E+00 | -1.3828E+00 | 5.0621E-01 | -7.0540E-02 | 0.0000E+00 | 0.0000E+00 |
| S11 | -2.0529E-01 | 2.9671E-01 | -3.5643E-01 | 3.2706E-01 | -2.0614E-01 | 8.5622E-02 | -2.2310E-02 | 3.2910E-03 | -2.1000E-04 |
| S12 | -7.1702E-02 | 4.5700E-02 | -2.5850E-02 | 1.0653E-02 | -2.9800E-03 | 5.3000E-04 | -5.4000E-05 | 2.5800E-06 | -1.9000E-08 |
Table 26
Table 27 provide the effective focal length f1 to f6 of each lens in embodiment 9, optical imagery eyeglass group total effective focal length f,
Optics total length TTL and maximum angle of half field-of view HFOV.
| f1(mm) | -182.48 | f6(mm) | 9465.42 |
| f2(mm) | 2.34 | f(mm) | 5.83 |
| f3(mm) | -3.24 | TTL(mm) | 5.75 |
| f4(mm) | 5.98 | HFOV(°) | 19.5 |
| f5(mm) | -3.69 |
Table 27
Figure 18 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 9, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 18 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 9, indicates
Meridianal image surface bending and sagittal image surface bending.Figure 18 C shows the distortion curve of the optical imagery eyeglass group of embodiment 9, table
Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 18 D shows the optical imagery eyeglass group of embodiment 9 is bent
Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 18 A to Figure 18 D it is found that implementing
Optical imagery eyeglass group given by example 9 can be realized good image quality.
To sum up, embodiment 1 to embodiment 9 meets relationship shown in table 28 respectively.
Table 28
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to
The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above
Piece group.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it 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
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (28)
1. optical imagery eyeglass group, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens,
4th lens, the 5th lens and the 6th lens, which is characterized in that
First lens have focal power, and object side is concave surface, and image side surface is convex surface；
Second lens have positive light coke；
The third lens have negative power；
4th lens have focal power；
5th lens have negative power；And
6th lens have focal power；
The radius of curvature R 3 of the object side of the effective focal length f2 of second lens and second lens meets 1.5 < f2/R3
< 2.
2. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group maximum half
Field angle HFOV meets tan (HFOV) < 0.5.
3. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
Focal length f and the effective focal length f3 of the third lens meet -2.5 < f/f3 < -1.
4. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
The effective focal length f5 of focal length f and the 5th lens meets -2 < f/f5 < -0.5.
5. optical imagery eyeglass group according to claim 1, which is characterized in that the curvature of the object side of first lens
The radius of curvature R 8 of the image side surface of radius R1 and the 4th lens meets 2 < R1/R8 < 3.2.
6. optical imagery eyeglass group according to claim 5, which is characterized in that the curvature of the image side surface of first lens
Radius R2 and total effective focal length f of the optical imagery eyeglass group meet -1.5 < R2/f < -0.5.
7. optical imagery eyeglass group according to claim 1, which is characterized in that the 6th lens are on the optical axis
Center thickness CT6 and second lens are in the 0 < CT6/CT2 < 1 of center thickness CT2 satisfaction on the optical axis.
8. optical imagery eyeglass group according to claim 1, which is characterized in that the third lens and the 4th lens
Spacing distance T34 and the spacing distance of the 5th lens and the 6th lens on the optical axis on the optical axis
T56 meets 0 < T34/T56 < 1.
9. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
The effective focal length f1 of focal length f and first lens meets | f/f1 | < 0.5.
10. optical imagery eyeglass group according to claim 9, which is characterized in that the object side of first lens and picture
Side is spherical surface.
11. optical imagery eyeglass group according to claim 1, which is characterized in that first lens are on the optical axis
Spacing distance T12 on the optical axis of center thickness CT1 and first lens and second lens meet 1.6 <
CT1/T12 < 2.6.
12. optical imagery eyeglass group according to claim 1, which is characterized in that the 6th lens are maximum effectively half
Edge thickness ET6 and the 6th lens at diameter meet 0.3 < ET6/CT6 < in the center thickness CT6 on the optical axis
0.8。
13. optical imagery eyeglass group according to any one of claim 1 to 12, which is characterized in that the optical imagery
The total effective focal length f and second lens of lens set and the combined focal length f23 of the third lens meet 1 < f/f23 < 2.
14. optical imagery eyeglass group according to any one of claim 1 to 12, which is characterized in that the optical imagery
The total effective focal length f and the 4th lens of lens set and the combined focal length f45 of the 5th lens meet -1 < f/f45 < 0.
It by object side to image side sequentially include: that the first lens, the second lens, third are saturating along optical axis 15. optical imagery eyeglass group
Mirror, the 4th lens, the 5th lens and the 6th lens, which is characterized in that
First lens have focal power, and object side is concave surface, and image side surface is convex surface；
Second lens have positive light coke；
The third lens have negative power；
4th lens have focal power；
5th lens have negative power；And
6th lens have focal power；
Total effective focal length f of the optical imagery eyeglass group and combined focal length f45 of the 4th lens and the 5th lens
Meet -1 < f/f45 < 0.
16. optical imagery eyeglass group according to claim 15, which is characterized in that the optical imagery eyeglass group always has
The effective focal length f5 for imitating focal length f and the 5th lens meets -2 < f/f5 < -0.5.
17. optical imagery eyeglass group according to claim 15, which is characterized in that the optical imagery eyeglass group always has
The combined focal length f23 for imitating focal length f and second lens and the third lens meets 1 < f/f23 < 2.
18. optical imagery eyeglass group according to claim 15, which is characterized in that the optical imagery eyeglass group always has
The effective focal length f3 for imitating focal length f and the third lens meets -2.5 < f/f3 < -1.
19. optical imagery eyeglass group according to claim 15, which is characterized in that the optical imagery eyeglass group always has
The effective focal length f1 for imitating focal length f and first lens meets | f/f1 | < 0.5.
20. optical imagery eyeglass group according to claim 15, which is characterized in that the maximum of the optical imagery eyeglass group
Angle of half field-of view HFOV meets tan (HFOV) < 0.5.
21. optical imagery eyeglass group described in any one of 5 to 20 according to claim 1, which is characterized in that first lens
Object side radius of curvature R 1 and the 4th lens image side surface radius of curvature R 8 meet 2 < R1/R8 < 3.2.
22. optical imagery eyeglass group described in any one of 5 to 20 according to claim 1, which is characterized in that first lens
Image side surface radius of curvature R 2 and the optical imagery eyeglass group total effective focal length f meet -1.5 < R2/f < -0.5.
23. optical imagery eyeglass group according to claim 22, which is characterized in that the effective focal length f2 of second lens
Meet 1.5 < f2/R3 < 2 with the radius of curvature R 3 of the object side of second lens.
24. optical imagery eyeglass group described in any one of 5 to 20 according to claim 1, which is characterized in that the 6th lens
Meet 0 < CT6/ in the center thickness CT2 on the optical axis with second lens in the center thickness CT6 on the optical axis
CT2 < 1.
25. optical imagery eyeglass group described in any one of 5 to 20 according to claim 1, which is characterized in that the third lens
With spacing distance T34 of the 4th lens on the optical axis and the 5th lens and the 6th lens in the optical axis
On spacing distance T56 meet 0 < T34/T56 < 1.
26. optical imagery eyeglass group described in any one of 5 to 20 according to claim 1, which is characterized in that first lens
Object side and image side surface be spherical surface.
27. optical imagery eyeglass group described in any one of 5 to 20 according to claim 1, which is characterized in that first lens
In center thickness CT1 and the spacing distance of first lens and second lens on the optical axis on the optical axis
T12 meets 1.6 < CT1/T12 < 2.6.
28. optical imagery eyeglass group described in any one of 5 to 20 according to claim 1, which is characterized in that the 6th lens
Edge thickness ET6 and the 6th lens at maximum effective radius meet 0.3 < in the center thickness CT6 on the optical axis
ET6/CT6 < 0.8.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752825A (en) * | 2018-06-06 | 2019-05-14 | 浙江舜宇光学有限公司 | Optical imagery eyeglass group |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752825A (en) * | 2018-06-06 | 2019-05-14 | 浙江舜宇光学有限公司 | Optical imagery eyeglass group |
| WO2019233143A1 (en) * | 2018-06-06 | 2019-12-12 | 浙江舜宇光学有限公司 | Optical imaging lens set |
| US11487049B2 (en) | 2018-06-06 | 2022-11-01 | Zhejiang Sunny Optical Co., Ltd. | Optical imaging lens group |
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