CN209624886U - Pick-up lens - Google Patents
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- CN209624886U CN209624886U CN201822069103.XU CN201822069103U CN209624886U CN 209624886 U CN209624886 U CN 209624886U CN 201822069103 U CN201822069103 U CN 201822069103U CN 209624886 U CN209624886 U CN 209624886U
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Abstract
This application discloses a kind of pick-up lens, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power by object side to image side along optical axis.Wherein, the first lens have negative power；4th lens have positive light coke；7th lens have negative power；At least one lens of first lens into the 7th lens have non-rotationally-symmetric aspherical.The effective focal length fy of the Y direction of the effective focal length fx and pick-up lens of the X-direction of pick-up lens meets 0.8 < fx/fy < 1.2.
Description
Technical field
This application involves a kind of pick-up lens, more particularly, to a kind of pick-up lens including seven lens.
Background technique
In recent years, with the fast development in cell-phone camera field and the Complimentary Metal-Oxide half of large scale, high pixel
The chip of conductor element (CMOS) or photosensitive coupling element (CCD) it is universal, major cell phone manufacturer pursue camera lens it is lightening with
While miniaturization, harsh requirement is even more proposed to the image quality of camera lens.In addition to requiring lens imaging to have high-resolution
Rate and large aperture also require all have excellent image quality in wider field range.
However, the eyeglass face type that the camera lens of existing market mainstream mostly uses greatly is a kind of the non-of rotational symmetry (axial symmetry)
Spherical surface, the aspherical of this kind of rotational symmetry can regard what a curve in meridional plane was formed around 360 degree of optical axis rotation as,
It only has enough freedom degrees in meridional plane, therefore is only capable of preferably correcting meridian aberration, cannot but correct arc well
Swear aberration.
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 pick-up lens of at least one above-mentioned disadvantage.
On the one hand, this application provides such a pick-up lens, the pick-up lens along optical axis by object side to image side according to
Sequence includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and with focal power
Seven lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative light
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.The X-axis of pick-up lens
The effective focal length fy of the Y direction of the effective focal length fx and pick-up lens in direction can meet 0.8 < fx/fy < 1.2.
In one embodiment, the full filed angle FOV of pick-up lens can meet 150 ° of 190 ° of < FOV <.
In one embodiment, the X-direction of the effective focal length fx and pick-up lens of the X-direction of pick-up lens enters
Pupil diameter EPDx can meet fx/EPDx < 2.0；And the effective focal length fy of the Y direction of pick-up lens and the Y-axis of pick-up lens
The Entry pupil diameters EPDy in direction can meet fy/EPDy < 2.0.
In one embodiment, the effective focal length f7 of the 7th lens and the effective focal length f1 of the first lens can meet 0.3
< f7/f1 < 1.3.
In one embodiment, the effective focal length f4 of the 4th lens and the effective focal length f6 of the 6th lens can meet 0.5
< f4/f6 < 1.5.
In one embodiment, the effective focal length f5 of the radius of curvature R 10 of the image side surface of the 5th lens and the 5th lens
- 1 < R10/f5 < 0 can be met.
In one embodiment, the curvature of the image side surface of the radius of curvature R 1 and the first lens of the object side of the first lens
Radius R2 can meet 0.2 < (R1-R2)/(R1+R2) < 0.7.
In one embodiment, the radius of curvature R 7, the curvature of the image side surface of the 4th lens of the object side of the 4th lens
The radius of curvature R 4 of the image side surface of the radius of curvature R 3 and the second lens of the object side of radius R8, the second lens can meet 0.3 <
(R7-R8)/(R3+R4) < 1.3.
In one embodiment, spacing distance T12, the 4th lens of the first lens and the second lens on optical axis exist
Center of the center thickness CT6 and the 7th lens of center thickness CT4, the 6th lens on optical axis on optical axis on optical axis is thick
Degree CT7 can meet 0.8 < T12/ (CT4+CT6+CT7) < 1.8.
In one embodiment, effective half bore DT12 of the image side surface of the first lens, the image side surface of the second lens
Effective half bore DT32 of effective half bore DT22 and the image side surface of the third lens can meet 0.8 < DT12/ (DT22+DT32)
< 1.2.
In one embodiment, the edge thickness ET6 and the center thickness CT6 of the 6th lens of the 6th lens can meet
0.5 < ET6/CT6*5 < 1.5.
In one embodiment, pick-up lens may also include diaphragm, and the imaging surface of diaphragm to pick-up lens is on optical axis
Distance SL and the object side of the first lens center to pick-up lens imaging surface on optical axis distance TTL can meet 0.3
< SL/TTL < 0.6.
In one embodiment, the image side surface of the 6th lens can be convex surface.
In one embodiment, the object side of the 7th lens can be concave surface, and image side surface can be concave surface.
On the other hand, this application provides such a pick-up lens, and the pick-up lens is along optical axis by object side to image side
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.Pick-up lens
Full filed angle FOV can meet 150 ° of 190 ° of < FOV <.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.The X of pick-up lens
The Entry pupil diameters EPDx of the X-direction of the effective focal length fx and pick-up lens of axis direction can meet fx/EPDx < 2.0；And it takes the photograph
As the Entry pupil diameters EPDy of the Y direction of the effective focal length fy and pick-up lens of the Y direction of camera lens can meet fy/EPDy <
2.0。
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.7th lens
The effective focal length f1 of effective focal length f7 and the first lens can meet 0.3 < f7/f1 < 1.3.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.4th lens
The effective focal length f6 of effective focal length f4 and the 6th lens can meet 0.5 < f4/f6 < 1.5.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.5th lens
The radius of curvature R 10 of image side surface and the effective focal length f5 of the 5th lens can meet -1 < R10/f5 < 0.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.First lens
The radius of curvature R 2 of the image side surface of the radius of curvature R 1 and the first lens of object side can meet 0.2 < (R1-R2)/(R1+R2) <
0.7。
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.4th lens
The radius of curvature R 7 of object side, the radius of curvature R 8 of the image side surface of the 4th lens, the second lens object side radius of curvature R 3
0.3 < (R7-R8)/(R3+R4) < 1.3 can be met with the radius of curvature R 4 of the image side surface of the second lens.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.First lens and
Center thickness CT4 of spacing distance T12, fourth lens of second lens on optical axis on optical axis, the 6th lens are on optical axis
Center thickness CT7 on optical axis of center thickness CT6 and the 7th lens can meet 0.8 < T12/ (CT4+CT6+CT7) <
1.8。
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.First lens
The image side surface of effective half bore DT12 of image side surface, effective half bore DT22 of the image side surface of the second lens and the third lens
Effective half bore DT32 can meet 0.8 < DT12/ (DT22+DT32) < 1.2.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.6th lens
The center thickness CT6 of edge thickness ET6 and the 6th lens can meet 0.5 < ET6/CT6*5 < 1.5.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；7th lens can have negative
Focal power；At least one lens of first lens into the 7th lens can have non-rotationally-symmetric aspherical.Pick-up lens is also
It may include diaphragm, the center of distance SL of the imaging surface of diaphragm to pick-up lens on optical axis and the object side of the first lens is to taking the photograph
As distance TTL of the imaging surface on optical axis of camera lens can meet 0.3 < SL/TTL < 0.6.
In another aspect, the pick-up lens is along optical axis by object side to image side this application provides such a pick-up lens
Sequentially include: the first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the first lens can have negative power；4th lens can have positive light coke；The image side surface of 6th lens
It can be convex surface；7th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface；First lens are to
At least one lens in seven lens can have non-rotationally-symmetric aspherical.
The application uses multi-disc (for example, seven) lens, by each power of lens of reasonable distribution, face type, each
Spacing etc. on axis between the center thickness of mirror and each lens, so that above-mentioned pick-up lens has miniaturization, wide-angle and high picture
At least one beneficial effect such as element.In addition, it is non-rotationally-symmetric aspherical by introducing, to meridian aberration outside the axis of pick-up lens
It is corrected simultaneously with sagitta of arc aberration, greatly improves the optical property of optical system.
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 pick-up lens according to the embodiment of the present application 1；
Fig. 2 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 1 in first quartile；
Fig. 3 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 2；
Fig. 4 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 2 in first quartile；
Fig. 5 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 3；
Fig. 6 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 3 in first quartile；
Fig. 7 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 4；
Fig. 8 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 4 in first quartile；
Fig. 9 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 5；
Figure 10 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 5 in first quartile；
Figure 11 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 6；
Figure 12 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 6 in first quartile；
Figure 13 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 7；
Figure 14 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 7 in first quartile；
Figure 15 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 8；
Figure 16 diagrammatically illustrates situation of the RMS spot diameter of the pick-up lens of embodiment 8 in first quartile.
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.In each lens, it is known as this thoroughly near the surface of object
The object side of mirror；In each lens, the image side surface of the lens is known as near the surface of imaging surface.
Herein, it is Z-direction that we, which define and are parallel to the direction of optical axis, vertical with Z axis and sub positioned at central vision
Direction in noon plane is Y direction, and direction that is vertical with Z axis and being located in central vision sagittal plane is X-direction.Unless
It is otherwise noted, otherwise each mark of reference (for example, radius of curvature etc.) equal table in addition to the mark of reference for being related to visual field herein
Show the characteristic parameter value of the Y direction along pick-up lens.For example, in case of no particular description, conditional " (R1-R2)/
(R1+R2) " R1 in indicates that the radius of curvature R 1y, R2 of the Y axis direction of the object side of the first lens indicate the picture of the first lens
The radius of curvature R 2y of the Y direction of 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
A other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in
When after the list of listed feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when description
When presently filed embodiment, " one or more embodiments of the application " are indicated using "available".Also, term is " exemplary
" 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.
Pick-up lens according to the application illustrative embodiments may include such as seven lens with focal power, that is,
First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens edges
Optical axis by object side to image side sequential.In the first lens into the 7th lens, can have between two lens of arbitrary neighborhood
Airspace.
In the exemplary embodiment, the first lens can have a negative power, and the 4th lens can have a positive light coke, and the 7th
Lens can have negative power.The each power of lens of reasonable disposition, can effectively correction system spherical aberration and color difference, also
It is avoided that focal power concentrations in single eyeglass, reduce the sensibility of eyeglass, is provided for actual processing and packaging technology wider
The tolerance conditions of pine.
In the exemplary embodiment, the 5th lens can have negative power.
In the exemplary embodiment, the 6th lens can have positive light coke.
In the exemplary embodiment, the image side surface of the 6th lens can be convex surface；The object side of 7th lens can be concave surface,
Image side surface can be concave surface.The 6th lens of reasonable distribution and the 7th lens face type, reduce incidence angle of the light at the 7th lens and
The angle of emergence matches system chief ray angle preferably with chip, at the same be conducive to avoid spending due to deflection angle it is big and
Generate total reflection ghost image.
In the exemplary embodiment, the object side of the first lens can be convex surface, and image side surface can be concave surface；Second lens
Object side can be convex surface, and image side surface can be concave surface；The object side of 4th lens can be convex surface, and image side surface can be convex surface；5th thoroughly
The image side surface of mirror can be concave surface.
In the exemplary embodiment, the object side of at least one lens by the first lens into the 7th lens can be passed through
And/or image side surface is set as non-rotationally-symmetric aspherical, further to promote image quality.It is non-rotationally-symmetric it is aspherical be a kind of
Free form surface, rotational symmetry it is aspherical on the basis of, increase non-rotational symmetry component, thus introduce in lens system non-
The aspherical of rotational symmetry is conducive to that axis can be effectively reduced by effectively correcting meridian aberration outside axis and sagitta of arc aberration
The astigmatism and the curvature of field of outer visual field, the greatly performance of improving optical system.Pick-up lens according to the application may include at least one
It is a non-rotationally-symmetric aspherical, it may for example comprise one it is non-rotationally-symmetric it is aspherical, two it is non-rotationally-symmetric it is aspherical,
Three non-rotationally-symmetric aspherical or more non-rotationally-symmetric aspherical.
In the following embodiments, the object side of the second lens, the object side of the third lens and the 7th lens in embodiment 1
Image side surface；The object side of the object side of first lens, the object side of the second lens and the 4th lens in embodiment 2；Implement
The image side surface of the object side of first lens and the second lens in example 3；The object side of first lens and the second lens in embodiment 4
Image side surface；The object side of the object side of first lens, the object side of the third lens and the 4th lens in embodiment 5；Embodiment 6
In the object side of the first lens, the object side of the third lens, the object side of the 4th lens and the object side of the 5th lens；Implement
The image side surface of the third lens in example 7；The image side surface of the 6th lens is non-rotationally-symmetric aspherical in embodiment 8, that is, freely
Curved surface.
In the exemplary embodiment, the pick-up lens of the application can meet 0.8 < fx/fy < 1.2 of conditional, wherein
Fx is the effective focal length of the X-direction of pick-up lens, and fy is the effective focal length of the Y direction of pick-up lens.More specifically, fx and
Fy can further meet 0.83≤fx/fy≤1.11.Meet 0.8 < fx/fy < 1.2 of conditional, system can be guaranteed in X-axis
All there is lesser spherical aberration with Y direction.
In the exemplary embodiment, the pick-up lens of the application can meet 150 ° of 190 ° of < FOV < of conditional, wherein
FOV is the full filed angle of pick-up lens.More specifically, FOV can further meet 164 °≤FOV≤176 °.Rationally control visual field
Angle both can guarantee that system all had superior image quality to wider field range, moreover it is possible to avoid peripheral field illumination relatively low.
In the exemplary embodiment, the pick-up lens of the application can meet conditional fi/EPDi < 2.0, and wherein i is x
Or y.When i is x, fx is the effective focal length of the X-direction of pick-up lens, and EPDx is that the entrance pupil of the X-direction of pick-up lens is straight
Diameter, fx/EPDx < 2.0.When i is y, fy is the effective focal length of the Y direction of pick-up lens, and EPDy is the Y-axis of pick-up lens
The Entry pupil diameters in direction, fy/EPDy < 2.0.More specifically, fx and EPDx can further meet 1.79≤fi/EPDi≤1.98,
Fy and EPDy can further meet 1.79≤fi/EPDi≤1.98.Meet conditional fi/EPDi < 2.0, can effectively increase
The light passing amount of system promotes the illumination of peripheral field, guarantees that camera lens also has good shooting effect in the environment of dark
Fruit.
In the exemplary embodiment, the pick-up lens of the application can meet 0.3 < f7/f1 < 1.3 of conditional, wherein
F7 is the effective focal length of the 7th lens, and f1 is the effective focal length of the first lens.More specifically, f7 and f1 can further meet 0.51
≤f7/f1≤1.02.The rationally effective focal length of control the first lens and the 7th lens had both been avoided that focal power concentrated on first thoroughly
Mirror conducive to the sensibility of the first lens is reduced, while also helping spherical aberration and field that the balance eyeglass of front six does not completely eliminate
It is bent.
In the exemplary embodiment, the pick-up lens of the application can meet 0.5 < f4/f6 < 1.5 of conditional, wherein
F4 is the effective focal length of the 4th lens, and f6 is the effective focal length of the 6th lens.More specifically, f4 and f6 can further meet 0.79
≤f4/f6≤1.23.Rationally the 4th lens of control and the 6th power of lens reduce light in the 4th lens and the 6th lens
The deviation angle at place avoids spending the total reflection ghost image generated greatly because of deflection angle, further, it is also possible to effectively balance the two
The astigmatism that eyeglass generates.
In the exemplary embodiment, the pick-up lens of the application can meet -1 < R10/f5 < 0 of conditional, wherein
R10 is the radius of curvature of the image side surface of the 5th lens, and f5 is the effective focal length of the 5th lens.More specifically, R10 and f5 are further
- 0.8 < -0.3 < R10/f5 can be met, for example, -0.72≤R10/f5≤- 0.36.The song of the 5th lens image side surface of reasonable disposition
The ratio of rate radius and the 5th lens effective focal length can both slow down deviation of the light at the eyeglass, and can also reduce the mirror
The higher order coma and astigmatism that piece generates.
In the exemplary embodiment, the pick-up lens of the application can meet 0.2 < of conditional (R1-R2)/(R1+R2)
< 0.7, wherein R1 is the radius of curvature of the object side of the first lens, and R2 is the radius of curvature of the image side surface of the first lens.More
Body, R1 and R2 can further meet 0.40≤(R1-R2)/(R1+R2)≤0.52.Rationally control the first lens object side and
The radius of curvature of image side surface both can effectively assemble wide-angle field rays, can also reduce the astigmatism of the first lens generation
And distortion.
In the exemplary embodiment, the pick-up lens of the application can meet 0.3 < of conditional (R7-R8)/(R3+R4)
< 1.3, wherein R7 is the radius of curvature of the object side of the 4th lens, and R8 is the radius of curvature of the image side surface of the 4th lens, R3
For the radius of curvature of the object side of the second lens, R4 is the radius of curvature of the image side surface of the second lens.More specifically, R7, R8, R3
0.39≤(R7-R8)/(R3+R4)≤1.11 can further be met with R4.By rationally controlling R7, R8, R3 and R4, light is controlled
Line reduces the sensibility of the two eyeglasses in the incidence angle and the angle of emergence of the 4th lens and the second lens, moreover it is possible to effectively flat
Weigh the two eyeglasses generation higher order coma.
In the exemplary embodiment, the pick-up lens of the application can meet 0.8 < T12/ (CT4+CT6+ of conditional
CT7) 1.8 <, wherein T12 is the spacing distance of the first lens and the second lens on optical axis, and CT4 is the 4th lens in optical axis
On center thickness, CT6 be center thickness of the 6th lens on optical axis, CT7 be center thickness of the 7th lens on optical axis.
More specifically, T12, CT4, CT6 and CT7 can further meet 0.93≤T12/ (CT4+CT6+CT7)≤1.78.Rationally control
T12, CT4, CT6 and CT7, to guarantee the feasibility of these eyeglass actual processings while guaranteeing camera lens miniaturization, in addition,
It also helps and reduces the incidence angle that light enters the second lens, reduce the sensibility of the second lens.
In the exemplary embodiment, the pick-up lens of the application may also include diaphragm, to promote the image quality of camera lens.
Diaphragm may be provided between the third lens and the 4th lens.Diaphragm to pick-up lens distance SL and of the imaging surface on optical axis
Distance TTL of the imaging surface on optical axis of the center of the object side of one lens to pick-up lens can meet 0.3 < SL/TTL <
0.6.More specifically, SL and TTL can further meet 0.43≤SL/TTL≤0.50.By the ratio for rationally controlling SL and TTL
Range both can guarantee that the outer visual field of axis had biggish light passing amount, and the outer visual field illumination of enhancing axis also helps and reduces diaphragm front and rear mirror
The size of piece.
In the exemplary embodiment, the pick-up lens of the application can meet 0.8 < DT12/ (DT22+DT32) of conditional
< 1.2, wherein DT12 is effective half bore of the image side surface of the first lens, and DT22 is effectively the half of the image side surface of the second lens
Bore, DT32 are effective half bore of the image side surface of the third lens.More specifically, DT12, DT22 and DT32 can further meet
0.91≤DT12/(DT22+DT32)≤0.99.Rationally the first lens of control, the second lens and the third lens image side surface is effective
Half bore both can reduce camera lens front end size, can also increase the acceptable field angle of system.
In the exemplary embodiment, the pick-up lens of the application can meet 0.5 < ET6/CT6*5 < 1.5 of conditional,
Wherein, ET6 is the edge thickness of the 6th lens, and CT6 is the center thickness of the 6th lens.More specifically, ET6 and CT6 are further
0.59≤ET6/CT6*5≤1.32 can be met.The rationally edge thickness and center thickness of the 6th lens of control can guarantee to be somebody's turn to do
Size is further decreased while eyeglass craftsmanship, further, it is also possible to slow down deviation of the light at the 6th lens.
Optionally, above-mentioned pick-up lens may also include the optical filter for correcting color error ratio and/or be located at for protecting
The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above seven can be used according to the pick-up lens of the above embodiment of the application.
By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing etc., can
The volume for effectively reducing camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that pick-up lens is more advantageous
In producing and processing and be applicable to portable electronic product.In addition, it is non-rotationally-symmetric aspherical by introducing, to camera lens
The outer meridian aberration of the axis of head and sagitta of arc aberration are corrected, and imaging image quality can be further promoted.Camera shooting through the above configuration
Camera lens can also have the beneficial effects such as wide-angle, high-resolution, large aperture.
In presently filed embodiment, the mirror surface of each lens mostly uses aspherical mirror.The characteristics of non-spherical lens, is:
From lens centre to lens perimeter, curvature is consecutive variations.With the ball from lens centre to lens perimeter with constant curvature
Face lens are different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve astigmatic image error
Advantage.After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve at image quality
Amount.Optionally, in the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens
At least one of the object side of each lens and image side surface can be aspherical.Optionally, the first lens, the second lens, third
Lens, the 4th lens, the 5th lens, the object side of the 6th lens and each lens in the 7th lens and image side surface can be non-
Spherical surface.
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 pick-up lens can be changed, to obtain each result and advantage described in this specification.Though for example,
It is so described by taking seven lens as an example in embodiments, but the pick-up lens is not limited to include seven lens.If
It needs, which may also include the lens of other quantity.
The specific embodiment for being applicable to the pick-up lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 and Fig. 2 description according to the pick-up lens of the embodiment of the present application 1.Fig. 1 is shown according to the application
The structural schematic diagram of the pick-up lens of embodiment 1.
As shown in Figure 1, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave 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
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light focus
Degree, object side S11 are convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is recessed
Face, image side surface S14 are concave surface in Y direction, are convex surface in X-direction.Light from object sequentially passes through each surface S1 to S14
And it is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 1 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 1
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 1
It should be understood that in upper table without especially indicate (blank space) " radius of curvature X " and " circular cone coefficient X " with it is right
" radius of curvature Y " and " circular cone coefficient Y " numerical value answered is consistent.It is similar in following embodiment.
As shown in Table 1, any one in the first lens E1, the 4th lens E4, the 5th lens E5 and the 6th lens E6 is saturating
The object side of mirror and image side surface, the image side surface S6's and the 7th lens E7 of the image side surface S4 of the second lens E2, the third lens E3
Object side S13 is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical
Formula is 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 is circular cone coefficient (In
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 S1, S2, S4, S6-S134、A6、A8、A10、A12、A14、 A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -2.4449E-01 | -4.0758E-03 | 2.9349E-03 | -2.1262E-03 | 1.0570E-03 | -3.2536E-05 | -1.3564E-04 | 4.4720E-05 | -4.6481E-06 |
| S2 | 6.4184E-02 | 3.9135E-02 | 1.8464E-02 | -8.6679E-03 | -5.6073E-03 | -5.0265E-03 | -7.8539E-04 | -5.6553E-04 | 5.6629E-04 |
| S4 | -1.6329E-02 | -5.5041E-03 | -1.2443E-05 | 9.4669E-05 | 7.6958E-05 | -4.5130E-05 | 1.0325E-05 | -8.0119E-06 | 1.6330E-06 |
| S6 | -6.6069E-03 | 3.5413E-03 | 8.1493E-05 | -2.7338E-04 | -1.2204E-04 | 1.4275E-05 | 1.4139E-05 | 2.3420E-05 | 2.0252E-05 |
| S7 | -1.0380E-03 | 1.9385E-03 | 2.9131E-04 | 6.9794E-05 | -1.4886E-05 | 6.2031E-06 | -6.9227E-06 | -5.0318E-06 | 8.4592E-06 |
| S8 | -1.7079E-02 | 3.4317E-03 | 5.3480E-04 | 1.3465E-04 | -1.4706E-05 | 7.4556E-06 | -6.5787E-06 | -1.4031E-06 | -6.2384E-06 |
| S9 | -1.4602E-01 | 5.4174E-03 | -3.9485E-05 | 1.8218E-04 | -1.5456E-04 | 3.5419E-05 | -1.9499E-05 | 1.6033E-06 | -4.2503E-07 |
| S10 | -8.8744E-02 | 1.0733E-02 | 6.5272E-06 | 4.7534E-04 | -4.2203E-04 | 1.9058E-04 | -7.3039E-05 | 1.5777E-05 | -1.3180E-06 |
| S11 | 5.4918E-03 | -4.9493E-03 | 1.6150E-04 | 7.8498E-04 | -1.9425E-04 | 2.6811E-04 | -8.7080E-05 | 1.0450E-05 | -5.9322E-07 |
| S12 | -1.8656E-01 | 1.7550E-02 | -8.2525E-03 | 1.7237E-03 | 2.9190E-04 | 5.1849E-04 | 1.5316E-04 | 1.3618E-04 | 6.8660E-05 |
| S13 | -7.7922E-01 | 1.2023E-01 | -2.0666E-02 | 3.9603E-03 | -3.9224E-04 | 4.9948E-04 | -3.7351E-04 | 1.3860E-04 | -1.9884E-05 |
Table 2
By table 1 it can also be seen that the object side S5 and the 7th lens of the object side S3 of the second lens E2, the third lens E3
The image side surface S14 of E7 be non-rotationally-symmetric aspherical (that is, the face AAS), non-rotationally-symmetric aspherical face type it is available but
Following non-rotationally-symmetric aspherical formula is not limited to be defined:
Wherein, z is the rise for being parallel to the face of Z-direction；Cx, Cy are respectively the curvature (=1/ of X, Y direction vertex of surface
Radius of curvature)；Kx, Ky are respectively X, Y direction circular cone coefficient；AR, BR, CR, DR, ER, FR, GR, HR, JR are respectively aspherical
4 ranks, 6 ranks, 8 ranks in rotational symmetry component, 10 ranks, 12 ranks, 14 ranks, 16 ranks, 18 ranks, 20 level numbers；AP,BP,CP,DP,
EP, FP, GP, HP, JP be respectively 4 ranks in aspherical non-rotational symmetry component, 6 ranks, 8 ranks, 10 ranks, 12 ranks, 14 ranks, 16 ranks,
18 ranks, 20 level numbers.The following table 3 gives each system that can be used for non-rotationally-symmetric aspherical S3, S5 and S14 in embodiment 1
Number.
| The face AAS | AR | AP | BR | BP | CR | CP |
| S3 | 2.8002E-06 | 1.1420E+01 | 3.6473E-02 | 1.1929E-01 | -1.8598E-01 | -4.2530E-03 |
| S5 | -6.5404E-02 | 1.4636E-01 | -1.8570E-01 | -4.0363E-02 | 1.3721E+00 | -6.3747E-04 |
| S14 | -3.4978E-01 | -1.1283E-02 | 3.6147E-01 | -4.5228E-03 | -2.7477E-01 | -7.2577E-04 |
| The face AAS | DR | DP | ER | EP | FR | FP |
| S3 | 6.3939E-01 | -4.7422E-04 | -1.3654E+00 | 1.2415E-04 | 1.7799E+00 | 1.3161E-05 |
| S5 | -7.3083E+00 | 5.4600E-04 | 2.3889E+01 | -8.2330E-05 | -4.7721E+01 | -2.6897E-05 |
| S14 | 1.4800E-01 | 1.6636E-04 | -5.7302E-02 | 1.7329E-05 | 1.5858E-02 | -6.7896E-05 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S3 | -1.4104E+00 | -4.3094E-05 | 6.2028E-01 | 5.4595E-05 | -1.1562E-01 | 6.4918E-05 |
| S5 | 5.7680E+01 | 8.2035E-05 | -3.8688E+01 | -6.6793E-05 | 1.0980E+01 | -4.7070E-04 |
| S14 | -2.9379E-03 | 6.7925E-05 | 3.1887E-04 | -3.4060E-06 | -1.5484E-05 | -1.4066E-03 |
Table 3
Table 4 gives the effective focal length of the X axis direction of the effective focal length f1 to f7 of each lens in embodiment 1, pick-up lens
The center of the object side S1 of the effective focal length fy of the Y direction of fx, pick-up lens, the first lens E1 are to imaging surface S15 in optical axis
On distance TTL and imaging surface S15 on effective pixel area diagonal line length half ImgH.
| f1(mm) | -2.78 | f7(mm) | -2.85 |
| f2(mm) | 7.05 | fx(mm) | 1.16 |
| f3(mm) | -19.21 | fy(mm) | 1.41 |
| f4(mm) | 2.42 | TTL(mm) | 7.75 |
| f5(mm) | -3.38 | ImgH(mm) | 2.37 |
| f6(mm) | 2.01 |
Table 4
Pick-up lens in embodiment 1 meets:
Fx/fy=0.83, wherein fx is the effective focal length of the X-direction of pick-up lens, and fy is the Y-axis side of pick-up lens
To effective focal length；
FOV=172.0, wherein FOV is the full filed angle of pick-up lens；
Fx/EPDx=1.98, wherein fx is the effective focal length of the X-direction of pick-up lens, and EPDx is the X of pick-up lens
The Entry pupil diameters of axis direction；
Fy/EPDy=1.98, wherein fy is the effective focal length of the Y direction of pick-up lens, and EPDy is the Y of pick-up lens
The Entry pupil diameters of axis direction；
F7/f1=1.02, wherein f7 is the effective focal length of the 7th lens E7, and f1 is the effective focal length of the first lens E1；
F4/f6=1.21, wherein f4 is the effective focal length of the 4th lens E4, and f6 is the effective focal length of the 6th lens E6；
R10/f5=-0.59, wherein R10 is the radius of curvature of the image side surface S10 of the 5th lens E5, and f5 is the 5th lens
The effective focal length of E5；
(R1-R2)/(R1+R2)=0.41, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, R2 the
The radius of curvature of the image side surface S2 of one lens E1；
(R7-R8)/(R3+R4)=1.11, wherein R7 is the radius of curvature of the object side S7 of the 4th lens E4, R8 the
The radius of curvature of the image side surface S8 of four lens E4, R3 are the radius of curvature of the object side S3 of the second lens E2, and R4 is the second lens
The radius of curvature of the image side surface S4 of E2；
T12/ (CT4+CT6+CT7)=1.59, wherein T12 be the first lens E1 and the second lens E2 on optical axis between
Gauge is center thickness of the 4th lens E4 on optical axis from, CT4, and CT6 is center thickness of the 6th lens E6 on optical axis,
CT7 is center thickness of the 7th lens E7 on optical axis；
SL/TTL=0.45, wherein SL is imaging surface S15 distance on optical axis of the diaphragm STO to pick-up lens, TTL
For the first lens E1 object side S1 center to pick-up lens distance of the imaging surface S15 on optical axis；
DT12/ (DT22+DT32)=0.93, wherein DT12 is effective half bore of the image side surface S2 of the first lens E1,
DT22 is effective half bore of the image side surface S4 of the second lens E2, and DT32 is effective half mouthful of the image side surface S6 of the third lens E3
Diameter；
ET6/CT6*5=1.12, wherein ET6 is the edge thickness of the 6th lens E6, and CT6 is the 6th lens E6 in optical axis
On center thickness.
Field angle in Fig. 2 shows the RMS spot diameters of the pick-up lens of embodiment 1 in first quartile different object spaces
Corresponding size cases.Fig. 2 shows the relationships of the field angle in RMS spot diameter and object space.In Fig. 2, RMS hot spot
Diameter minimum value is 0.0026871 mm, maximum value 0.011988mm, average value 0.0072954mm, and standard deviation is
0.0023729mm.As can be seen from FIG. 2, pick-up lens given by embodiment 1 can be realized good image quality.
Embodiment 2
Referring to Fig. 3 and Fig. 4 description according to the pick-up lens of the embodiment of the present application 2.In the present embodiment and following implementation
In example, for brevity, by clipped description similar to Example 1.Fig. 3 shows taking the photograph according to the embodiment of the present application 2
As the structural schematic diagram of camera lens.
As shown in figure 3, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light focus
Degree, object side S11 are convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is recessed
Face, image side surface S14 are concave surface.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 5 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 2
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 5
As shown in Table 5, in example 2, in the third lens E3, the 5th lens E5, the 6th lens E6 and the 7th lens E7
Any one lens object side and image side surface, the image side surface S2, the image side surface S4 of the second lens E2 of the first lens E1 and
The image side surface S8 of 4th lens E4 is aspherical；The object side S1 of first lens E1, the object side S3 of the second lens E2 and
The object side S7 of 4th lens E4 is non-rotationally-symmetric aspherical.
Table 6 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 7 show can be used for it is non-rotationally-symmetric aspherical in embodiment 2
The rotational symmetry component of S1, S3 and S7 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | 2.3465E-01 | 6.3082E-02 | 2.1192E-02 | 8.0560E-03 | 3.3184E-03 | 1.2944E-03 | 4.6628E-04 | 1.1812E-04 | 3.4662E-05 |
| S4 | -5.2318E-02 | -8.9469E-03 | 6.8059E-03 | 1.4976E-03 | 2.4248E-04 | 1.6011E-04 | 8.6168E-05 | 2.1305E-05 | 9.6933E-06 |
| S5 | -4.0631E-02 | -4.6218E-03 | 1.2812E-03 | 1.0554E-04 | -1.1336E-04 | -2.2841E-05 | 4.0192E-06 | 8.1818E-07 | -1.0891E-06 |
| S6 | -1.7006E-03 | -1.1233E-03 | -1.0815E-04 | -2.8034E-05 | -3.2834E-05 | -6.0254E-06 | 1.5226E-06 | 9.3152E-07 | -3.3214E-07 |
| S8 | -9.6832E-03 | 4.3339E-03 | -1.8870E-04 | -2.7964E-05 | -3.4998E-05 | -1.9200E-05 | -1.1648E-05 | -4.5806E-06 | -1.4146E-06 |
| S9 | -1.5034E-01 | 3.5503E-03 | -2.7356E-04 | 1.7862E-04 | 2.4901E-04 | 1.0595E-04 | 2.6975E-05 | 1.8566E-06 | -4.1196E-07 |
| S10 | -6.4201E-02 | 1.3720E-02 | 1.5041E-03 | -2.6648E-04 | 3.1253E-04 | 1.8982E-05 | 3.2914E-05 | 2.5992E-06 | 1.4536E-06 |
| S11 | 1.5953E-02 | -2.4197E-03 | -1.8841E-03 | 7.8255E-04 | -3.4507E-05 | -1.0618E-04 | -1.1089E-04 | -7.2531E-05 | -3.2622E-05 |
| S12 | -3.0114E-01 | 4.5428E-03 | -3.5410E-03 | 1.6302E-03 | -7.3816E-04 | -4.1653E-04 | -2.9162E-05 | 9.0402E-05 | 4.7005E-05 |
| S13 | -4.4431E-01 | 4.0067E-02 | 4.2011E-03 | 2.1925E-03 | 2.2857E-04 | -7.5246E-05 | -7.0691E-05 | -3.4841E-05 | 2.4814E-06 |
| S14 | -6.6535E-01 | 2.6361E-02 | -2.9663E-03 | 9.7812E-03 | 7.9532E-04 | 1.7803E-04 | 1.3915E-04 | 9.4217E-05 | -2.5316E-05 |
Table 6
| The face AAS | AR | AP | BR | BP | CR | CP |
| S1 | 2.7703E-03 | -1.9327E-01 | -3.5194E-04 | -4.3360E-02 | 6.3163E-05 | 6.5391E-03 |
| S3 | 2.3031E-02 | -6.8625E-02 | -7.8064E-02 | -2.9685E-02 | 8.3149E-02 | -1.3696E-02 |
| S7 | 7.9785E-03 | 1.3871E-01 | 2.7518E-02 | 1.3397E-02 | -1.3885E-01 | -2.0243E-02 |
| The face AAS | DR | DP | ER | EP | FR | FP |
| S1 | -3.2884E-05 | -2.4591E-04 | 8.0129E-06 | -1.0607E-04 | -1.0147E-06 | 9.4391E-05 |
| S3 | -2.3566E-01 | 9.7214E-04 | 3.6689E-01 | 3.3610E-04 | -3.4104E-01 | -2.6217E-04 |
| S7 | 1.1639E+00 | -3.3679E-03 | -5.1746E+00 | 2.1696E-04 | 1.2615E+01 | 1.7507E-04 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S1 | 7.1449E-08 | -4.5178E-05 | -2.6485E-09 | -1.7135E-05 | 4.0182E-11 | 5.5168E-04 |
| S3 | 1.9983E-01 | 9.2411E-05 | -6.5598E-02 | 1.6233E-04 | 8.9045E-03 | -1.0637E-03 |
| S7 | -1.7464E+01 | -1.7811E-04 | 1.2935E+01 | 7.3765E-05 | -3.9991E+00 | 1.0432E-03 |
Table 7
Table 8 gives the effective focal length of the X axis direction of the effective focal length f1 to f7 of each lens in embodiment 2, pick-up lens
The center of the object side S1 of the effective focal length fy of the Y direction of fx, pick-up lens, the first lens E1 are to imaging surface S15 in optical axis
On distance TTL and imaging surface S15 on effective pixel area diagonal line length half ImgH.
| f1(mm) | -3.78 | f7(mm) | -1.93 |
| f2(mm) | -122.00 | fx(mm) | 1.69 |
| f3(mm) | 16.70 | fy(mm) | 1.61 |
| f4(mm) | 2.44 | TTL(mm) | 7.40 |
| f5(mm) | -6.12 | ImgH(mm) | 2.36 |
| f6(mm) | 2.17 |
Table 8
Fig. 4 shows the RMS spot diameter of the pick-up lens of embodiment 2 field angle in different object spaces in first quartile
Corresponding size cases.Fig. 4 shows the relationship of the field angle in RMS spot diameter and object space.In Fig. 4, RMS hot spot
Diameter minimum value is 0.0011133 mm, maximum value 0.024157mm, average value 0.0066285mm, and standard deviation is
0.005225mm.As can be seen from FIG. 4, pick-up lens given by embodiment 2 can be realized good image quality.
Embodiment 3
The pick-up lens according to the embodiment of the present application 3 is described referring to Fig. 5 and Fig. 6.Fig. 5 is shown according to this Shen
Please embodiment 3 pick-up lens structural schematic diagram.
As shown in figure 5, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave 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 positive light coke, 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 convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light focus
Degree, object side S11 are convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is recessed
Face, image side surface S14 are concave surface.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 9 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 3
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 9
As shown in Table 9, in embodiment 3, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and
The object side of any one lens in seven lens E7 and image side surface, the image side surface S2 of the first lens E1 and the second lens E2's
Object side S3 is aspherical；The image side surface S4 of the object side S1 of first lens E1 and the second lens E2 are non-rotationally-symmetric non-
Spherical surface.
Table 10 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 11 show can be used for it is non-rotationally-symmetric aspherical in embodiment 3
The rotational symmetry component of S1 and S4 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type
It can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | 2.0457E-01 | 5.6259E-02 | 2.3871E-02 | 9.4016E-03 | 3.7805E-03 | 1.1541E-03 | 2.4478E-04 | -2.0237E-05 | -6.5531E-06 |
| S3 | -2.7366E-02 | -9.6887E-03 | 5.7396E-04 | 1.7664E-04 | 7.2544E-06 | -8.2933E-06 | 2.6266E-06 | -1.7883E-06 | 3.4583E-07 |
| S5 | -4.0142E-02 | -5.3322E-03 | 1.3285E-03 | -1.4802E-04 | -1.6448E-04 | -8.9667E-05 | -8.7373E-05 | -4.9714E-05 | -1.6129E-05 |
| S6 | -1.5814E-03 | -7.3164E-04 | 1.1822E-04 | -2.2360E-04 | -1.1819E-05 | 5.9528E-05 | 3.2491E-05 | 1.7135E-05 | 4.9656E-06 |
| S7 | 3.7519E-03 | 1.1510E-03 | 2.8425E-04 | 6.4650E-05 | 7.3819E-06 | 2.4164E-06 | 1.0859E-05 | 9.1506E-06 | 2.5536E-06 |
| S8 | -9.2324E-03 | 4.5687E-03 | 4.3745E-05 | -1.4325E-04 | -1.6485E-04 | -9.0819E-05 | -2.7960E-05 | -2.1198E-06 | 3.1937E-06 |
| S9 | -1.4804E-01 | 2.5791E-03 | -9.1146E-04 | -6.3646E-05 | 1.9040E-05 | 4.2937E-06 | -1.8357E-05 | -8.9897E-06 | -5.1854E-06 |
| S10 | -6.2930E-02 | 1.1200E-02 | 2.0861E-04 | 2.1352E-04 | 4.1446E-04 | 1.5841E-04 | 9.7734E-05 | 3.7366E-05 | 1.4986E-05 |
| S11 | 1.3755E-02 | -2.2716E-03 | -1.7456E-03 | 1.4242E-03 | -4.0578E-04 | 3.4019E-05 | -1.8842E-04 | -3.8901E-05 | -2.8859E-05 |
| S12 | -2.9543E-01 | 3.4216E-03 | -4.2291E-03 | -3.0474E-04 | -8.2478E-04 | -2.0295E-04 | 1.0326E-04 | 4.3428E-05 | -1.4446E-05 |
| S13 | -4.2555E-01 | 3.9108E-02 | 6.1615E-03 | 1.0596E-03 | -1.3065E-04 | -4.6319E-04 | -1.7696E-04 | -1.5670E-05 | -6.3161E-06 |
| S14 | -6.8332E-01 | 4.0852E-02 | 6.7273E-03 | 4.0172E-03 | 4.4909E-04 | -1.5316E-03 | -1.3828E-04 | -1.3863E-04 | -9.9145E-05 |
Table 10
| The face AAS | AR | AP | BR | BP | CR | CP |
| S1 | 3.4554E-03 | -2.8172E-01 | -2.3166E-03 | -4.2550E-03 | 9.1151E-04 | 1.3464E-03 |
| S4 | 4.8207E-02 | 3.0207E-02 | -1.4905E-01 | 1.5763E-02 | 1.5708E-01 | 6.0982E-03 |
| The face AAS | DR | DP | ER | EP | FR | FP |
| S1 | -2.2753E-04 | -1.1679E-04 | 3.6656E-05 | -3.4295E-05 | -3.8054E-06 | 5.9091E-05 |
| S4 | -6.1298E-01 | -1.4554E-03 | 1.2733E+00 | 3.8975E-05 | -1.4809E+00 | 2.7949E-04 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S1 | 2.4500E-07 | -3.4119E-05 | -8.8566E-09 | 1.2570E-05 | 1.3699E-10 | 4.2681E-04 |
| S4 | 1.1235E+00 | -3.9069E-04 | -5.3275E-01 | 2.4470E-04 | 1.1618E-01 | 3.2713E-03 |
Table 11
Table 12 gives effective coke of the X-direction of the effective focal length f1 to f7 of each lens in embodiment 3, pick-up lens
The center of the object side S1 of the effective focal length fy of Y direction away from fx, pick-up lens, the first lens E1 are to imaging surface S15 in light
The half ImgH of effective pixel area diagonal line length on distance TTL and imaging surface S15 on axis.
| f1(mm) | -3.27 | f7(mm) | -2.71 |
| f2(mm) | 27.68 | fx(mm) | 1.55 |
| f3(mm) | 31.24 | fy(mm) | 1.42 |
| f4(mm) | 2.47 | TTL(mm) | 7.48 |
| f5(mm) | -5.11 | ImgH(mm) | 2.33 |
| f6(mm) | 2.05 |
Table 12
Fig. 6 shows the RMS spot diameter of the pick-up lens of embodiment 3 field angle in different object spaces in first quartile
Corresponding size cases.Fig. 6 shows the relationship of the field angle in RMS spot diameter and object space.In Fig. 6, RMS hot spot
Diameter minimum value is 0.00084366 mm, maximum value 0.048035mm, average value 0.013267mm, and standard deviation is
0.0098242mm.As can be seen from FIG. 6, pick-up lens given by embodiment 3 can be realized good image quality.
Embodiment 4
The pick-up lens according to the embodiment of the present application 4 is described referring to Fig. 7 and Fig. 8.Fig. 7 is shown according to this Shen
Please embodiment 4 pick-up lens structural schematic diagram.
As shown in fig. 7, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave 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 positive light coke, 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 convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light focus
Degree, object side S11 are convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is recessed
Face, image side surface S14 are concave surface.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 13 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 4
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 13
As shown in Table 13, in example 4, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and
The object side of any one lens in 7th lens E7 and image side surface, the image side surface S2 of the first lens E1 and the second lens E2
Object side S3 be aspherical；The image side surface S4 of the object side S1 of first lens E1 and the second lens E2 are non-rotationally-symmetric
It is aspherical.
Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 15 show can be used for it is non-rotationally-symmetric aspherical in embodiment 4
The rotational symmetry component of S1 and S4 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type
It can be limited by the formula (2) provided in above-described embodiment 1.
Table 14
| The face AAS | AR | AP | BR | BP | CR | CP |
| S1 | 3.5155E-03 | 2.6166E-01 | -2.3461E-03 | 1.0208E-03 | 9.1087E-04 | -1.5362E-03 |
| S4 | 4.4492E-02 | -4.8570E-02 | -1.5025E-01 | -1.6671E-02 | 1.5662E-01 | -7.5099E-03 |
| The face AAS | DR | DP | ER | EP | FR | FP |
| S1 | -2.2745E-04 | 1.6539E-04 | 3.6656E-05 | 3.1067E-05 | -3.8054E-06 | -4.8059E-05 |
| S4 | -6.1377E-01 | 1.6839E-03 | 1.2720E+00 | -5.7753E-05 | -1.4822E+00 | -3.6710E-04 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S1 | 2.4500E-07 | 4.6527E-05 | -8.8566E-09 | -2.9170E-05 | 1.3699E-10 | -4.2408E-04 |
| S4 | 1.1227E+00 | 4.7253E-04 | -5.3238E-01 | -1.9336E-04 | 1.1856E-01 | -3.6679E-03 |
Table 15
Table 16 gives effective coke of the X-direction of the effective focal length f1 to f7 of each lens in embodiment 4, pick-up lens
The center of the object side S1 of the effective focal length fy of Y direction away from fx, pick-up lens, the first lens E1 are to imaging surface S15 in light
The half ImgH of effective pixel area diagonal line length on distance TTL and imaging surface S15 on axis.
| f1(mm) | -3.20 | f7(mm) | -1.64 |
| f2(mm) | 32.57 | fx(mm) | 1.34 |
| f3(mm) | 29.39 | fy(mm) | 1.46 |
| f4(mm) | 2.43 | TTL(mm) | 7.51 |
| f5(mm) | -4.88 | ImgH(mm) | 2.33 |
| f6(mm) | 1.97 |
Table 16
Fig. 8 shows the RMS spot diameter of the pick-up lens of embodiment 4 field angle in different object spaces in first quartile
Corresponding size cases.Fig. 8 shows the relationship of the field angle in RMS spot diameter and object space.In fig. 8, RMS hot spot
Diameter minimum value is 0.0011454 mm, maximum value 0.041922mm, average value 0.011907mm, and standard deviation is
0.0092149mm.As can be seen from FIG. 8, pick-up lens given by embodiment 4 can be realized good image quality.
Embodiment 5
The pick-up lens according to the embodiment of the present application 5 is described referring to Fig. 9 and Figure 10.Fig. 9 is shown according to this Shen
Please embodiment 5 pick-up lens structural schematic diagram.
As shown in figure 9, sequentially being wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, 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 convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light focus
Degree, object side S11 are convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is recessed
Face, image side surface S14 are concave surface.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 17 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 5
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 17
As shown in Table 17, in embodiment 5, in the second lens E2, the 5th lens E5, the 6th lens E6 and the 7th lens E7
Any one lens object side and image side surface, the image side surface S6 of the image side surface S2 of the first lens E1, the third lens E3 and
The image side surface S8 of 4th lens E4 is aspherical；The object side S1 of first lens E1, the object side S5 of the third lens E3 and
The object side S7 of 4th lens E4 is non-rotationally-symmetric aspherical.
Table 18 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 19 show can be used for it is non-rotationally-symmetric aspherical in embodiment 5
The rotational symmetry component of S1, S5 and S7 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -7.5833E-02 | 1.0442E-01 | 2.9294E-02 | 1.5761E-02 | 7.3987E-03 | 3.2616E-03 | 1.2807E-03 | 4.1725E-04 | 2.3335E-04 |
| S3 | -3.1311E-02 | -9.9096E-03 | 7.6836E-04 | 2.2169E-04 | 3.6388E-05 | -3.3661E-05 | 1.5428E-05 | -8.6254E-06 | 1.9224E-06 |
| S4 | -6.6815E-02 | -1.2465E-02 | 4.4804E-03 | 5.6324E-04 | -9.3421E-05 | 7.2460E-05 | 3.0431E-05 | -3.2596E-05 | -1.6428E-05 |
| S6 | 4.7392E-03 | -2.5777E-04 | -8.0736E-04 | -9.5197E-05 | -1.0523E-04 | -2.8708E-05 | -9.4624E-06 | 8.9179E-07 | 1.5520E-06 |
| S8 | -1.1388E-02 | 7.2811E-03 | -1.0699E-03 | -7.7532E-04 | -7.8491E-05 | 1.7171E-04 | 1.3193E-04 | 4.1503E-05 | 1.4533E-05 |
| S9 | -1.7002E-01 | 1.0553E-02 | 1.4471E-03 | -3.4682E-05 | -3.0906E-04 | -4.8854E-04 | -8.1886E-05 | 7.7257E-05 | 4.1076E-05 |
| S10 | -4.7151E-02 | 1.3860E-02 | 2.0148E-03 | -1.9053E-03 | 7.5492E-04 | -6.2790E-04 | 6.8885E-05 | 1.1411E-04 | 3.9135E-05 |
| S11 | 4.9552E-02 | -1.7445E-02 | 3.8567E-03 | -2.1460E-03 | 8.9895E-04 | -3.3573E-04 | 6.8404E-05 | 5.6018E-06 | -8.8097E-06 |
| S12 | -2.8478E-01 | 5.4755E-03 | 3.6867E-04 | -4.4303E-03 | -5.8742E-04 | 1.8538E-03 | 3.5287E-04 | -8.3167E-05 | -1.9295E-04 |
| S13 | -4.1844E-01 | 4.0164E-02 | 2.1414E-02 | 1.4521E-05 | -3.7936E-03 | -9.2219E-04 | 5.0741E-04 | 8.1519E-04 | 2.9423E-04 |
| S14 | -4.6961E-01 | 1.1276E-01 | 1.1156E-02 | -1.7273E-02 | -9.0177E-03 | 8.2083E-05 | 5.3353E-03 | 3.0898E-03 | 7.0688E-04 |
Table 18
| The face AAS | DR | DP | ER | EP | FR | FP |
| S1 | 1.6206E-05 | -2.8968E-03 | -3.7243E-06 | 1.8703E-04 | 4.1365E-07 | 1.1254E-04 |
| S5 | 1.7366E+00 | -1.3844E-03 | -6.6063E+00 | -2.5957E-04 | 1.3999E+01 | 4.6394E-04 |
| S7 | 1.3628E+00 | -5.2537E-03 | -2.4820E+00 | 2.5522E-03 | 2.3151E+00 | 6.7377E-04 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S1 | -2.6513E-08 | -1.7249E-04 | 9.4232E-10 | 1.5620E-04 | -1.4435E-11 | 9.3798E-04 |
| S5 | -1.6384E+01 | -5.2257E-04 | 9.8405E+00 | 1.6001E-04 | -2.4162E+00 | 9.5813E-03 |
| S7 | -2.1509E-01 | -1.2512E-01 | -8.8621E-01 | 6.6128E-03 | 7.1176E-01 | -2.2502E-02 |
Table 19
Table 20 gives effective coke of the X-direction of the effective focal length f1 to f7 of each lens in embodiment 5, pick-up lens
The center of the object side S1 of the effective focal length fy of Y direction away from fx, pick-up lens, the first lens E1 are to imaging surface S15 in light
The half ImgH of effective pixel area diagonal line length on distance TTL and imaging surface S15 on axis.
| f1(mm) | -2.74 | f7(mm) | -2.12 |
| f2(mm) | -14.98 | fx(mm) | 1.25 |
| f3(mm) | 8.38 | fy(mm) | 1.13 |
| f4(mm) | 2.25 | TTL(mm) | 7.18 |
| f5(mm) | -17.03 | ImgH(mm) | 2.35 |
| f6(mm) | 1.97 |
Table 20
Figure 10 shows the RMS spot diameter of the pick-up lens of embodiment 5 visual field in different object spaces in first quartile
Size cases corresponding to angle.Figure 10 shows the relationship of the field angle in RMS spot diameter and object space.In Figure 10, RMS
Spot diameter minimum value is 0.0016574mm, maximum value 0.029035mm, average value 0.0067476mm, standard deviation
For 0.0041993mm.As can be seen from FIG. 10, pick-up lens given by embodiment 5 can be realized good image quality.
Embodiment 6
The pick-up lens according to the embodiment of the present application 6 is described referring to Figure 11 and Figure 12.
Figure 11 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 6.
As shown in figure 11, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, 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 convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and it is convex surface in X-direction, image side surface S10 is that object side S9, which is concave surface in Y direction,
Concave surface.6th lens E6 has positive light coke, and object side S11 is convex surface, and image side surface S12 is convex surface.7th lens E7 has
Negative power, object side S13 are concave surface, and image side surface S14 is concave surface.Light from object sequentially passes through each surface S1 to S14
And it is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 21 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 6
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 21
As shown in Table 21, any one in embodiment 6, in the second lens E2, the 6th lens E6 and the 7th lens E7
The object side of lens and image side surface, the image side surface S6 of the image side surface S2 of the first lens E1, the third lens E3, the 4th lens E4's
The image side surface S10 of image side surface S8 and the 5th lens E5 are aspherical；Object side S1, the third lens E3 of first lens E1
Object side S5, the 4th lens E4 object side S7 and the 5th lens E5 object side S9 be it is non-rotationally-symmetric aspherical.
Table 22 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 23 show can be used for it is non-rotationally-symmetric aspherical in embodiment 6
The rotational symmetry component of S1, S5, S7 and S9 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspheric
Face face type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -2.6474E-01 | 5.5857E-02 | 2.9294E-02 | 1.5761E-02 | 7.3987E-03 | 3.2616E-03 | 1.2807E-03 | 2.3464E-04 | 7.9677E-05 |
| S3 | -3.3128E-02 | -9.9096E-03 | 5.8834E-04 | 3.0560E-04 | 4.2578E-05 | -4.2075E-05 | 1.7543E-05 | -6.4360E-06 | 1.0843E-06 |
| S4 | -7.1499E-02 | -1.2465E-02 | 4.4804E-03 | 7.2857E-04 | -1.7663E-04 | 7.2460E-05 | 3.0280E-05 | -1.6401E-05 | -7.0101E-06 |
| S6 | 8.5602E-03 | 2.1353E-03 | -1.2517E-03 | -2.7271E-04 | -2.2107E-04 | -1.8357E-05 | 7.1659E-06 | 2.3443E-05 | 4.0244E-06 |
| S8 | -1.2858E-02 | 7.5716E-03 | -5.3776E-04 | -1.8931E-04 | -6.0153E-04 | -1.8435E-04 | 2.1745E-04 | 1.9225E-04 | 4.0932E-05 |
| S10 | -4.6695E-02 | 8.8432E-03 | 3.1386E-03 | -1.2930E-03 | 1.3420E-04 | -5.1126E-04 | 3.1951E-04 | -1.5789E-04 | -1.2670E-05 |
| S11 | 5.0024E-02 | -1.9137E-02 | 4.2901E-03 | -2.1104E-03 | 9.1141E-04 | -4.5798E-04 | 2.1714E-04 | -9.0401E-05 | 2.6439E-05 |
| S12 | -2.7027E-01 | 1.8893E-03 | -2.0138E-03 | -3.0991E-03 | -3.2860E-04 | 1.6872E-03 | 3.5729E-04 | -5.5678E-04 | -5.2208E-04 |
| S13 | -4.2009E-01 | 5.6677E-02 | 1.3734E-02 | 1.2365E-03 | -4.3130E-03 | -2.5972E-03 | 5.0605E-04 | 1.5606E-03 | 5.3493E-04 |
| S14 | -5.1997E-01 | 1.0855E-01 | -2.2347E-02 | -1.5363E-02 | -1.3676E-03 | 2.8557E-03 | 1.4054E-03 | -2.2552E-03 | -2.0159E-03 |
Table 22
| The face AAS | AR | AP | BR | BP | CR | CP |
| S1 | 3.1162E-03 | 2.8359E-02 | -5.5692E-04 | -1.7492E-03 | 1.9172E-05 | -3.2139E-02 |
| S5 | 5.0938E-02 | -2.7788E-01 | -1.1803E-01 | -4.6743E-02 | -2.6477E-01 | -6.5297E-02 |
| S7 | -1.7961E-04 | 2.5637E+00 | 1.2511E-01 | -6.3036E-02 | -4.1629E-01 | -2.5533E-03 |
| S9 | -5.0185E-01 | 5.0240E-04 | 1.8238E+00 | 1.6052E-04 | -1.8555E+01 | -1.0711E-04 |
| The face AAS | DR | DP | ER | EP | FR | FP |
| S1 | 1.6202E-05 | -4.7276E-05 | -3.7245E-06 | -1.3123E-04 | 4.1357E-07 | 1.0813E-04 |
| S5 | 1.7370E+00 | 5.2832E-03 | -6.5940E+00 | 3.4148E-03 | 1.4031E+01 | -4.4663E-03 |
| S7 | 1.3513E+00 | 7.9444E-03 | -2.5890E+00 | -3.7818E-03 | 2.0810E+00 | -1.2541E-02 |
| S9 | 1.1889E+02 | 4.0372E-05 | -4.5609E+02 | -1.6026E-05 | 1.0486E+03 | 3.9029E-06 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S1 | -2.6520E-08 | -7.0859E-05 | 9.4235E-10 | 1.1523E-05 | -1.4385E-11 | 8.2184E-04 |
| S5 | -1.6353E+01 | 2.3410E-03 | 9.8665E+00 | 1.5205E-02 | -2.7467E+00 | -1.9322E-02 |
| S7 | -3.2398E-01 | -2.0860E-01 | -1.8836E+00 | 3.3180E-02 | 6.0374E-01 | -2.5086E-01 |
| S9 | -1.4229E+03 | 1.8657E-05 | 1.0532E+03 | -1.1780E-04 | -3.2614E+02 | 2.1849E-03 |
Table 23
Table 24 gives effective coke of the X-direction of the effective focal length f1 to f7 of each lens in embodiment 6, pick-up lens
The center of the object side S1 of the effective focal length fy of Y direction away from fx, pick-up lens, the first lens E1 are to imaging surface S15 in light
The half ImgH of effective pixel area diagonal line length on distance TTL and imaging surface S15 on axis.
| f1(mm) | -2.36 | f7(mm) | -2.12 |
| f2(mm) | -14.92 | fx(mm) | 0.85 |
| f3(mm) | 9.40 | fy(mm) | 0.96 |
| f4(mm) | 2.10 | TTL(mm) | 6.98 |
| f5(mm) | -10.69 | ImgH(mm) | 2.34 |
| f6(mm) | 1.71 |
Table 24
Figure 12 shows the RMS spot diameter of the pick-up lens of embodiment 6 visual field in different object spaces in first quartile
Size cases corresponding to angle.Figure 12 shows the relationship of the field angle in RMS spot diameter and object space.In Figure 12, RMS
Spot diameter minimum value is 0.0020806mm, maximum value 0.015587mm, average value 0.0046187mm, and standard deviation is
0.0021623mm.As can be seen from FIG. 12, pick-up lens given by embodiment 6 can be realized good image quality.
Embodiment 7
The pick-up lens according to the embodiment of the present application 7 is described referring to Figure 13 and Figure 14.
Figure 13 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 7.
As shown in figure 13, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave 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
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light focus
Degree, object side S11 are concave surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is recessed
Face, image side surface S14 are concave surface.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 25 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 7
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 25
As shown in Table 25, in embodiment 7, the first lens E1, the second lens E2, the 4th lens E4, the 5th lens E5,
The object side and image side surface of six lens E6 and any one lens in the 7th lens E7 and the object side S5 of the third lens E3
It is aspherical；The image side surface S6 of the third lens E3 is non-rotationally-symmetric aspherical.
Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 27 show can be used for it is non-rotationally-symmetric aspherical in embodiment 7
The rotational symmetry component of S6 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by
The formula (2) provided in above-described embodiment 1 limits.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -1.7262E-01 | 9.3799E-03 | 2.7189E-03 | -1.5805E-03 | 2.0299E-04 | 6.6067E-05 | -1.4410E-05 | 4.9276E-06 | -4.7818E-06 |
| S2 | -3.4865E-01 | 8.5528E-02 | -5.9395E-03 | 8.8903E-03 | -2.0224E-04 | 1.0998E-03 | -1.9552E-04 | 7.3721E-05 | -8.6898E-05 |
| S3 | -2.6952E-02 | -4.5334E-03 | 2.0829E-03 | 1.2768E-03 | 4.2231E-04 | 1.0032E-04 | 1.4552E-05 | -4.5832E-06 | -9.1425E-07 |
| S4 | -3.1730E-02 | -5.4487E-03 | 2.1245E-03 | 5.9035E-04 | 3.6460E-05 | -6.7547E-06 | -1.8165E-06 | -2.7685E-06 | 4.9654E-07 |
| S5 | -5.6721E-02 | -4.2459E-04 | 7.5780E-04 | -1.9906E-05 | -6.4096E-05 | -1.6565E-06 | -7.2928E-06 | 1.0495E-06 | -3.6125E-06 |
| S7 | 6.1621E-04 | -1.9555E-04 | 1.8692E-05 | 3.7722E-05 | -1.2160E-05 | 6.7943E-06 | -3.2533E-06 | 3.3251E-06 | -1.8142E-06 |
| S8 | -1.5301E-02 | 4.7267E-03 | 7.6085E-05 | 2.1565E-05 | -5.0949E-06 | -4.5699E-06 | -1.2798E-06 | -3.8918E-07 | 1.1087E-07 |
| S9 | -1.9348E-01 | 9.6374E-03 | 2.6236E-05 | -2.3626E-04 | 5.0077E-05 | -1.5551E-05 | -5.8334E-06 | -6.5102E-06 | 1.8028E-07 |
| S10 | -9.0388E-02 | 2.4751E-02 | 3.0049E-04 | -2.2107E-04 | 2.0137E-04 | -1.7657E-05 | 4.2032E-06 | 2.0970E-05 | 7.6677E-06 |
| S11 | 3.3954E-02 | -7.7075E-03 | 2.0799E-03 | 1.5231E-05 | 2.6130E-05 | 1.2367E-05 | -3.2666E-05 | 1.6944E-05 | 1.9716E-06 |
| S12 | -1.3402E-01 | -1.0497E-02 | -1.5122E-03 | 1.2342E-03 | 6.7812E-04 | 2.9898E-04 | 9.7111E-05 | 1.1356E-05 | -4.1554E-06 |
| S13 | -7.5141E-01 | 8.5717E-02 | -1.2242E-02 | 4.1003E-03 | 2.4532E-04 | 3.3045E-04 | 2.5317E-04 | 3.6704E-06 | 7.4628E-06 |
| S14 | -7.3929E-01 | 1.1609E-01 | -3.7841E-02 | 9.5712E-03 | -3.1203E-03 | 1.0474E-03 | -9.7708E-05 | 4.4824E-06 | 4.0321E-05 |
Table 26
| The face AAS | AR | AP | BR | BP | CR | CP |
| S6 | -1.3316E-02 | 8.9504E-02 | 3.3249E-02 | 9.3299E-02 | -3.9386E-01 | -3.3044E-04 |
| The face AAS | DR | DP | ER | EP | FR | FP |
| S6 | 1.9600E+00 | -7.2975E-04 | -6.0207E+00 | 2.4582E-04 | 1.1690E+01 | -6.9084E-05 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S6 | -1.3730E+01 | -9.3598E-06 | 8.7280E+00 | 1.2682E-04 | -2.2970E+00 | -9.1660E-04 |
Table 27
Table 28 gives effective coke of the X-direction of the effective focal length f1 to f7 of each lens in embodiment 7, pick-up lens
The center of the object side S1 of the effective focal length fy of Y direction away from fx, pick-up lens, the first lens E1 are to imaging surface S15 in light
The half ImgH of effective pixel area diagonal line length on distance TTL and imaging surface S15 on axis.
| f1(mm) | -2.87 | f7(mm) | -2.64 |
| f2(mm) | 7.08 | fx(mm) | 1.37 |
| f3(mm) | -16.76 | fy(mm) | 1.39 |
| f4(mm) | 2.20 | TTL(mm) | 7.75 |
| f5(mm) | -7.55 | ImgH(mm) | 2.32 |
| f6(mm) | 2.78 |
Table 28
Figure 14 shows the RMS spot diameter of the pick-up lens of embodiment 7 visual field in different object spaces in first quartile
Size cases corresponding to angle.Figure 14 shows the relationship of the field angle in RMS spot diameter and object space.In Figure 14, RMS
Spot diameter minimum value is 0.0012873mm, maximum value 0.0024128mm, average value 0.0020063mm, standard deviation
For 0.0002686mm.As can be seen from FIG. 14, pick-up lens given by embodiment 7 can be realized good image quality.
Embodiment 8
The pick-up lens according to the embodiment of the present application 8 is described referring to Figure 15 and Figure 16.
Figure 15 shows the structural schematic diagram of the pick-up lens according to the embodiment of the present application 8.
As shown in figure 15, it is sequentially wrapped along optical axis by object side to image side according to the pick-up lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7 and imaging surface S15.
First lens E1 has negative power, and object side S1 is convex surface, and image side surface S2 is concave 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
Concave surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens E5 has negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has positive light focus
Degree, object side S11 are convex surface, and image side surface S12 is convex surface.7th lens E7 has negative power, and object side S13 is recessed
Face, image side surface S14 are concave surface.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
The pick-up lens of the present embodiment may also include the diaphragm STO being arranged between the third lens E3 and the 4th lens E4
(not shown), to promote image quality.
Table 29 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the pick-up lens of embodiment 8
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 29
As shown in Table 29, in embodiment 8, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4,
The object side S11 of the object side and image side surface and the 6th lens E6 of five lens E5 and any one lens in the 7th lens E7
It is aspherical；The image side surface S12 of 6th lens E6 is non-rotationally-symmetric aspherical.
Table 30 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 31 show can be used for it is non-rotationally-symmetric aspherical in embodiment 8
The rotational symmetry component of S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type can be by
The formula (2) provided in above-described embodiment 1 limits.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -1.5350E-01 | 8.6270E-03 | 1.0007E-03 | -1.7487E-03 | 9.6858E-04 | -4.9523E-05 | -4.8923E-04 | 3.6445E-04 | -1.6119E-04 |
| S2 | -3.0366E-01 | 8.0580E-02 | -4.2319E-03 | 7.9313E-03 | -9.4417E-04 | 3.1871E-04 | -1.9192E-04 | 9.5962E-05 | 6.5008E-05 |
| S3 | -1.4055E-02 | -4.9697E-03 | 6.5035E-04 | 4.6306E-04 | 1.4598E-04 | 3.4094E-05 | 7.7084E-06 | 2.1298E-06 | 2.8692E-06 |
| S4 | -2.4290E-02 | -5.2311E-03 | 1.2597E-03 | 3.1718E-04 | -1.2511E-05 | 1.3226E-05 | -3.8483E-06 | 7.1398E-06 | -1.8264E-06 |
| S5 | -4.6957E-02 | -2.3230E-04 | 7.4626E-04 | -1.1433E-04 | -1.6486E-05 | -1.0420E-06 | 1.7239E-06 | -2.5528E-06 | 1.9346E-06 |
| S6 | -9.0792E-03 | -4.0989E-04 | -6.8554E-05 | -2.4691E-04 | 1.0502E-05 | 4.4176E-06 | 2.8706E-06 | 1.7228E-06 | -6.7661E-07 |
| S7 | 1.1799E-03 | 5.6883E-04 | -3.8272E-04 | -9.8112E-05 | 2.6215E-04 | -1.9092E-05 | -8.4784E-05 | -1.0685E-04 | -2.5259E-05 |
| S8 | -1.7911E-02 | 5.2118E-03 | -1.0409E-05 | -1.6831E-04 | -1.7697E-04 | -1.0583E-04 | -6.7810E-05 | -3.0458E-05 | -1.2941E-05 |
| S9 | -1.5414E-01 | 6.7610E-03 | -2.5399E-04 | 1.5509E-04 | 1.7940E-05 | 1.8358E-05 | 2.0318E-06 | 3.2338E-06 | 5.4920E-07 |
| S10 | -7.7720E-02 | 1.3785E-02 | -5.3054E-04 | 1.0376E-04 | 4.7703E-05 | 8.9078E-07 | -5.8704E-06 | 5.0013E-06 | -1.8955E-06 |
| S11 | 1.3297E-02 | -5.9096E-03 | -1.2253E-04 | -6.0527E-06 | 1.6017E-04 | -4.3261E-05 | 2.1815E-05 | -6.8024E-06 | -2.7528E-06 |
| S13 | -8.4754E-01 | 1.0274E-01 | -1.1610E-02 | 5.7552E-03 | -1.0599E-04 | -4.5340E-05 | -1.3822E-04 | -5.6682E-05 | 7.7182E-05 |
| S14 | -8.2276E-01 | 1.4889E-01 | -3.5502E-02 | 1.4634E-02 | -4.6493E-03 | 1.6843E-03 | -3.8769E-04 | 3.5317E-04 | 1.7231E-04 |
Table 30
| The face AAS | AR | AP | BR | BP | CR | CP |
| S12 | -1.1491E-01 | -9.5343E-02 | 5.8298E-02 | -1.1481E-01 | 7.5428E-02 | 2.7319E-02 |
| The face AAS | DR | DP | ER | EP | FR | FP |
| S12 | -4.2250E-01 | -1.2502E-03 | 8.4753E-01 | -1.1230E-04 | -9.8713E-01 | 1.2194E-04 |
| The face AAS | GR | GP | HR | HP | JR | JP |
| S12 | 6.8050E-01 | -7.2970E-05 | -2.5804E-01 | 5.0040E-06 | 4.1404E-02 | 4.6245E-04 |
Table 31
Table 32 gives effective coke of the X-direction of the effective focal length f1 to f7 of each lens in embodiment 8, pick-up lens
The center of the object side S1 of the effective focal length fy of Y direction away from fx, pick-up lens, the first lens E1 are to imaging surface S15 in light
The half ImgH of effective pixel area diagonal line length on distance TTL and imaging surface S15 on axis.
| f1(mm) | -2.86 | f7(mm) | -2.38 |
| f2(mm) | 7.05 | fx(mm) | 1.39 |
| f3(mm) | -17.18 | fy(mm) | 1.36 |
| f4(mm) | 2.28 | TTL(mm) | 7.73 |
| f5(mm) | -3.29 | ImgH(mm) | 2.32 |
| f6(mm) | 1.99 |
Table 32
Figure 16 shows the RMS spot diameter of the pick-up lens of embodiment 8 visual field in different object spaces in first quartile
Size cases corresponding to angle.Figure 16 shows the relationship of the field angle in RMS spot diameter and object space.In Figure 16, RMS
Spot diameter minimum value is 0.0014456mm, maximum value 0.012156mm, average value 0.0043908mm, standard deviation
For 0.0025981mm.As can be seen from FIG. 16, pick-up lens given by embodiment 8 can be realized good image quality.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 33 respectively.
Table 33
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, be also possible to
The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic device is equipped with pick-up lens described above.
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 and (but being not limited to) disclosed herein have it is similar
The technical characteristic of function is replaced mutually and the technical solution that is formed.
Claims (28)
- It by object side to image side sequentially include: the first lens, the second lens, with focal power along optical axis 1. pick-up lens Three lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in thatFirst lens have negative power；4th lens have positive light coke；7th lens have negative power；At least one lens of first lens into the 7th lens have non-rotationally-symmetric aspherical；AndThe effective focal length fy of the Y direction of the effective focal length fx and pick-up lens of the X-direction of the pick-up lens meets 0.8 < fx/fy < 1.2.
- 2. pick-up lens according to claim 1, which is characterized in that the full filed angle FOV of the pick-up lens meets 150 ° of 190 ° of < FOV <.
- 3. pick-up lens according to claim 1, which is characterized in that the effective focal length of the X-direction of the pick-up lens The Entry pupil diameters EPDx of the X-direction of fx and the pick-up lens meets fx/EPDx < 2.0；AndThe Entry pupil diameters EPDy of the Y direction of the effective focal length fy and pick-up lens of the Y direction of the pick-up lens is full Sufficient fy/EPDy < 2.0.
- 4. pick-up lens according to claim 1, which is characterized in that the effective focal length f7 of the 7th lens and described the The effective focal length f1 of one lens meets 0.3 < f7/f1 < 1.3.
- 5. pick-up lens according to claim 1, which is characterized in that the effective focal length f4 of the 4th lens and described the The effective focal length f6 of six lens meets 0.5 < f4/f6 < 1.5.
- 6. pick-up lens according to claim 1, which is characterized in that the radius of curvature of the image side surface of the 5th lens The effective focal length f5 of R10 and the 5th lens meets -1 < R10/f5 < 0.
- 7. pick-up lens according to claim 1, which is characterized in that the radius of curvature R 1 of the object side of first lens Meet 0.2 < (R1-R2)/(R1+R2) < 0.7 with the radius of curvature R 2 of the image side surface of first lens.
- 8. pick-up lens according to claim 1, which is characterized in that the radius of curvature of the object side of the 4th lens R7, the radius of curvature R 8 of the image side surface of the 4th lens, second lens object side radius of curvature R 3 and described the The radius of curvature R 4 of the image side surface of two lens meets 0.3 < (R7-R8)/(R3+R4) < 1.3.
- 9. pick-up lens according to claim 1, which is characterized in that first lens and second lens are described Center thickness CT4 on the optical axis of spacing distance T12, the 4th lens on optical axis, the 6th lens are described The center thickness CT7 of center thickness CT6 and the 7th lens on the optical axis on optical axis meets 0.8 < T12/ (CT4 + CT6+CT7) < 1.8.
- 10. pick-up lens according to claim 1, which is characterized in that effective half mouthful of the image side surface of first lens Diameter DT12, second lens image side surface effective half bore DT22 and effective half mouthful of image side surface of the third lens Diameter DT32 meets 0.8 < DT12/ (DT22+DT32) < 1.2.
- 11. pick-up lens according to claim 1, which is characterized in that the edge thickness ET6 of the 6th lens with it is described The center thickness CT6 of 6th lens meets 0.5 < ET6/CT6*5 < 1.5.
- 12. pick-up lens according to any one of claim 1 to 11, which is characterized in that the pick-up lens further includes Diaphragm, the object side of the imaging surface of the diaphragm to the pick-up lens distance SL on the optical axis and first lens Distance TTL of the imaging surface on optical axis of center to the pick-up lens meet 0.3 < SL/TTL < 0.6.
- 13. pick-up lens according to any one of claim 1 to 11, which is characterized in that the image side of the 6th lens Face is convex surface.
- 14. pick-up lens according to claim 13, which is characterized in that the object side of the 7th lens is concave surface, as Side is concave surface.
- It by object side to image side sequentially include: the first lens, the second lens, with focal power along optical axis 15. pick-up lens Three lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in thatFirst lens have negative power；4th lens have positive light coke；7th lens have negative power；At least one lens of first lens into the 7th lens have non-rotationally-symmetric aspherical；AndThe full filed angle FOV of the pick-up lens meets 150 ° of 190 ° of < FOV <.
- 16. pick-up lens according to claim 15, which is characterized in that effective coke of the X-direction of the pick-up lens Entry pupil diameters EPDx away from fx and the X-direction of the pick-up lens meets fx/EPDx < 2.0；AndThe Entry pupil diameters EPDy of the Y direction of the effective focal length fy and pick-up lens of the Y direction of the pick-up lens is full Sufficient fy/EPDy < 2.0.
- 17. pick-up lens according to claim 16, which is characterized in that effective coke of the X-direction of the pick-up lens Effective focal length fy away from fx and the Y direction of the pick-up lens meets 0.8 < fx/fy < 1.2.
- 18. pick-up lens according to claim 15, which is characterized in that the effective focal length f7 of the 7th lens with it is described The effective focal length f1 of first lens meets 0.3 < f7/f1 < 1.3.
- 19. pick-up lens according to claim 15, which is characterized in that the effective focal length f4 of the 4th lens with it is described The effective focal length f6 of 6th lens meets 0.5 < f4/f6 < 1.5.
- 20. pick-up lens according to claim 15, which is characterized in that the radius of curvature of the image side surface of the 5th lens The effective focal length f5 of R10 and the 5th lens meets -1 < R10/f5 < 0.
- 21. pick-up lens according to claim 15, which is characterized in that the radius of curvature of the object side of first lens The radius of curvature R 2 of the image side surface of R1 and first lens meets 0.2 < (R1-R2)/(R1+R2) < 0.7.
- 22. pick-up lens according to claim 15, which is characterized in that the radius of curvature of the object side of the 4th lens R7, the radius of curvature R 8 of the image side surface of the 4th lens, second lens object side radius of curvature R 3 and described the The radius of curvature R 4 of the image side surface of two lens meets 0.3 < (R7-R8)/(R3+R4) < 1.3.
- 23. pick-up lens according to claim 15, which is characterized in that first lens and second lens are in institute Center thickness CT4 of the spacing distance T12, the 4th lens on optical axis on the optical axis, the 6th lens are stated in institute It states center thickness CT7 of the center thickness CT6 and the 7th lens on optical axis on the optical axis and meets 0.8 < T12/ (CT4+CT6+CT7) 1.8 <.
- 24. pick-up lens according to claim 15, which is characterized in that effective half mouthful of the image side surface of first lens Diameter DT12, second lens image side surface effective half bore DT22 and effective half mouthful of image side surface of the third lens Diameter DT32 meets 0.8 < DT12/ (DT22+DT32) < 1.2.
- 25. pick-up lens according to claim 15, which is characterized in that the edge thickness ET6 of the 6th lens and institute The center thickness CT6 for stating the 6th lens meets 0.5 < ET6/CT6*5 < 1.5.
- 26. pick-up lens described in any one of 5 to 25 according to claim 1, which is characterized in that the pick-up lens further includes Diaphragm, the object side of the imaging surface of the diaphragm to the pick-up lens distance SL on the optical axis and first lens Distance TTL of the imaging surface on optical axis of center to the pick-up lens meet 0.3 < SL/TTL < 0.6.
- 27. pick-up lens described in any one of 5 to 25 according to claim 1, which is characterized in that the image side of the 6th lens Face is convex surface.
- 28. pick-up lens according to claim 27, which is characterized in that the object side of the 7th lens is concave surface, as Side is concave surface.
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| CN201822069103.XU CN209624886U (en) | 2018-12-11 | 2018-12-11 | Pick-up lens |
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| CN201822069103.XU CN209624886U (en) | 2018-12-11 | 2018-12-11 | Pick-up lens |
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