CN206930824U - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN206930824U CN206930824U CN201720811693.1U CN201720811693U CN206930824U CN 206930824 U CN206930824 U CN 206930824U CN 201720811693 U CN201720811693 U CN 201720811693U CN 206930824 U CN206930824 U CN 206930824U
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Abstract
This application discloses a kind of optical imaging lens, the optical imaging lens are sequentially included along optical axis by thing side to image side:First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.First lens, the 4th lens and the 5th lens are respectively provided with positive light coke or negative power;Second lens have positive light coke;3rd lens have negative power;At least one in 6th lens and the 7th lens has negative power.Wherein, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens meet f2/ | f1 | < 0.5.
Description
Technical field
The application is related to a kind of optical imaging lens, more specifically, the application is related to a kind of optics for including seven lens
Imaging lens.
Background technology
With the development of science and technology, portable type electronic product progressively rises, the particularly portable electronic with camera function
Product, which obtains people, more to be favored.In recent years, with the photosensitive coupling element of conventional photo-sensitive cell (CCD) or complementary gold oxide
Belong to semiconductor element (CMOS) etc. the raising of element function and reduction of size, for the optical imaging lens that use of matching
High image quality and miniaturization propose higher requirement, so as to add the design difficulty of camera lens.
In order to meet to minimize, conventional meanses are the number of lenses for being reduced as far as optical imaging lens.But eyeglass
The reduction of quantity can cause the missing of the lens design free degree so that camera lens is difficult to meet need of the market for high imaging performance
Ask.
Utility model content
This application provides be applicable to portable type electronic product, can at least solve or part solve it is of the prior art
The optical imaging lens of above-mentioned at least one shortcoming.
The one side of the application provides such a optical imaging lens, and the optical imaging lens are along optical axis by thing
Side to image side sequentially includes:First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.First lens, the 4th lens and the 5th lens are respectively provided with positive light coke or negative power;Second lens can have positive light
Focal power;3rd lens can have negative power;At least one in 6th lens and the 7th lens has negative power.Its
In, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens can meet f2/ | f1 | < 0.5.
In one embodiment, the total effective focal length f and the 3rd lens of optical imaging lens effective focal length f3 can expire
- 1.0 < f/f3≤- 0.5 of foot.
In one embodiment, the total effective focal length f and the 4th lens of optical imaging lens effective focal length f4 can expire
Sufficient f/ | f4 |≤0.5.
In one embodiment, total effective focal length f of optical imaging lens, the effective focal length f5 of the 5th lens and
The effective focal length f6 of six lens can meet 0.4≤| f/f5 |+| f/f6 |≤1.0.
In one embodiment, the total effective focal length f and the 7th lens of optical imaging lens effective focal length f7 can expire
Sufficient f/ | f7 | < 1.0.
In one embodiment, the 4th lens in the center thickness CT4 on optical axis, the 5th lens in the center on optical axis
Thickness CT5 and the 6th lens can meet (CT4+CT5+CT6)/3≤0.5 in the center thickness CT6 on optical axis.
In one embodiment, edge thickness ET4 and fourth lens of the 4th lens at maximum radius are on optical axis
Center thickness CT4 can meet 0.4 < ET4/CT4 < 1.0.
In one embodiment, the thing side of the first lens can be convex surface.
In one embodiment, the image side surface of the 4th lens can be concave surface.
In one embodiment, the image side surface of the 6th lens can be concave surface.
In one embodiment, the curvature of the thing side of the lens of radius of curvature R 2 and second of the image side surface of the first lens
Radius R3 can meet 0.8≤R2/R3≤1.0.
In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 3 and second of the thing side of the second lens
Radius R4 can meet -0.5≤R3/R4≤0.
In one embodiment, the curvature of the thing side of the lens of radius of curvature R 6 and the 3rd of the image side surface of the 3rd lens
Radius R5 can meet 0 < R6/R5 < 0.5.
In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 7 and the 4th of the thing side of the 4th lens
Radius R8 can meet 0 < R7/R8 < 1.5.
In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 9 and the 6th of the thing side of the 5th lens
Radius R12 can meet | (R9-R12)/(R9+R12) |≤2.0.
In one embodiment, the thing side of the first lens to optical imaging lens distance of the imaging surface on optical axis
The half ImgH of the effective pixel area diagonal line length of photo-sensitive cell on the imaging surface of TTL and optical imaging lens can meet
TTL/ImgH≤1.85。
The one side of the application provides such a optical imaging lens, the imaging lens along optical axis by thing side extremely
Image side sequentially includes:First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and at least one
Individual subsequent lens.At least one in first lens, the 4th lens and the 5th lens has positive light coke;Second lens have
Positive light coke;3rd lens have negative power;6th lens have positive light coke or negative power.Wherein, the 4th lens in
Center thickness CT4, the 5th lens on optical axis is thick in the center on optical axis in the center thickness CT5 on optical axis and the 6th lens
Degree CT6 can meet (CT4+CT5+CT6)/3≤0.5.
In one embodiment, the thing side of the first lens to optical imaging lens distance of the imaging surface on optical axis
The half ImgH of the effective pixel area diagonal line length of photo-sensitive cell on the imaging surface of TTL and optical imaging lens can meet
TTL/ImgH≤1.85。
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens can meet f2/ |
F1 | < 0.5.
In one embodiment, the total effective focal length f and the 3rd lens of optical imaging lens effective focal length f3 can expire
- 1.0 < f/f3≤- 0.5 of foot.
In one embodiment, the total effective focal length f and the 4th lens of optical imaging lens effective focal length f4 can expire
Sufficient f/ | f4 |≤0.5.
In one embodiment, total effective focal length f of optical imaging lens, the effective focal length f5 of the 5th lens and
The effective focal length f6 of six lens can meet 0.4≤| f/f5 |+| f/f6 |≤1.0.
In one embodiment, the curvature of the thing side of the lens of radius of curvature R 2 and second of the image side surface of the first lens
Radius R3 can meet 0.8≤R2/R3≤1.0.
In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 3 and second of the thing side of the second lens
Radius R4 can meet -0.5≤R3/R4≤0.
In one embodiment, the curvature of the thing side of the lens of radius of curvature R 6 and the 3rd of the image side surface of the 3rd lens
Radius R5 can meet 0 < R6/R5 < 0.5.
In one embodiment, the image side surface of the 4th lens can be concave surface;And the 4th lens thing side curvature
The radius of curvature R 8 of the image side surface of radius R7 and the 4th lens can meet 0 < R7/R8 < 1.5.
In one embodiment, edge thickness ET4 and fourth lens of the 4th lens at maximum radius are on optical axis
Center thickness CT4 can meet 0.4 < ET4/CT4 < 1.0.
In one embodiment, the image side surface of the 6th lens can be concave surface;And the 5th lens thing side curvature
Radius R9 and the image side surface of the 6th lens radius of curvature R 12 can meet | (R9-R12)/(R9+R12) |≤2.0.
In one embodiment, it is saturating to include the with positive light coke or negative power the 7th at least one subsequent lens
Total effective focal length f of mirror, its effective focal length f7 and optical imaging lens can meet f/ | f7 | < 1.0.
Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by
Thing side to image side sequentially includes:First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.Wherein, the thing side of the first lens is convex surface;The lens of radius of curvature R 3 and second of the thing side of second lens
The radius of curvature R 4 of image side surface can meet -0.5≤R3/R4≤0;The lens of radius of curvature R 5 and the 3rd of the thing side of 3rd lens
The radius of curvature R 6 of image side surface can meet 0 < R6/R5 < 0.5;The image side surface of 4th lens and the 6th lens can be concave surface;
At least one in the thing side and image side surface of 5th lens is convex surface;And the 7th lens thing side and image side surface in
At least one is concave surface.
In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 7 and the 4th of the thing side of the 4th lens
Radius R8 can meet 0 < R7/R8 < 1.5.
In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 9 and the 6th of the thing side of the 5th lens
Radius R12 can meet | (R9-R12)/(R9+R12) |≤2.0.
In one embodiment, the second lens can have positive light coke;The effective focal length f1 of first lens and second is saturating
The effective focal length f2 of mirror can meet f2/ | f1 | < 0.5.
In one embodiment, the 3rd lens can have negative power;Total effective focal length f of optical imaging lens and
The effective focal length f3 of three lens can meet -1.0 < f/f3≤- 0.5.
In one embodiment, at least one in the first lens, the 4th lens and the 5th lens has positive light focus
Degree.
In one embodiment, the total effective focal length f and the 4th lens of optical imaging lens effective focal length f4 can expire
Sufficient f/ | f4 |≤0.5.
In one embodiment, at least one in the 6th lens and the 7th lens has negative power.
In one embodiment, total effective focal length f of optical imaging lens, the effective focal length f5 of the 5th lens and
The effective focal length f6 of six lens can meet 0.4≤| f/f5 |+| f/f6 |≤1.0.
In one embodiment, the total effective focal length f and the 7th lens of optical imaging lens effective focal length f7 can expire
Sufficient f/ | f7 | < 1.0.
In one embodiment, edge thickness ET4 and fourth lens of the 4th lens at maximum radius are on optical axis
Center thickness CT4 can meet 0.4 < ET4/CT4 < 1.0.
In one embodiment, the thing side of the first lens to optical imaging lens distance of the imaging surface on optical axis
The half ImgH of the effective pixel area diagonal line length of photo-sensitive cell on the imaging surface of TTL and optical imaging lens can meet
TTL/ImgH≤1.85。
In one embodiment, the 4th lens in the center thickness CT4 on optical axis, the 5th lens in the center on optical axis
Thickness CT5 and the 6th lens can meet (CT4+CT5+CT6)/3≤0.5 in the center thickness CT6 on optical axis.
Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by
Thing side to image side sequentially includes:First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.First lens have positive light coke or negative power, and its thing side is convex surface;Second lens can have positive light focus
Degree;3rd lens can have negative power;4th lens have positive light coke or negative power, and its image side surface is concave surface;5th
Lens have positive light coke or negative power;6th lens have positive light coke or negative power, and its image side surface is concave surface;And
7th lens have positive light coke or negative power.Wherein, the lens of radius of curvature R 9 and the 6th of the thing side of the 5th lens
The radius of curvature R 12 of image side surface can meet | (R9-R12)/(R9+R12) |≤2.0.
Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by
Thing side to image side sequentially includes:First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.First lens have positive light coke or negative power, and its thing side is convex surface;Second lens can have positive light focus
Degree;3rd lens can have negative power;4th lens have positive light coke or negative power, and its image side surface is concave surface;5th
Lens have positive light coke or negative power;6th lens have positive light coke or negative power, and its image side surface is concave surface;And
7th lens have positive light coke or negative power.Wherein, edge thickness ET4 and fourth of the 4th lens at maximum radius is saturating
Mirror can meet 0.4 < ET4/CT4 < 1.0 in the center thickness CT4 on optical axis.
Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by
Thing side to image side sequentially includes:First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and
7th lens.First lens have positive light coke or negative power, and its thing side is convex surface;Second lens can have positive light focus
Degree;3rd lens can have negative power;4th lens have positive light coke or negative power, and its image side surface is concave surface;5th
Lens have positive light coke or negative power;6th lens have positive light coke or negative power, and its image side surface is concave surface;And
7th lens have positive light coke or negative power.Wherein, the lens of radius of curvature R 2 and second of the image side surface of the first lens
The radius of curvature R 3 of thing side can meet 0.8≤R2/R3≤1.0.
The application can use such as seven lens, pass through each power of lens, face in reasonable distribution optical imaging lens
Spacing etc. on the axle of type, the center thickness of each lens and each lens so that the optical imaging lens have following at least one
Advantage:
Shorten imaging system total length;
Realize miniaturization and the ultra-slim features of camera lens;
The susceptibility of reduction system;
Correct all kinds of aberrations;And
Improve the image quality of camera lens.
Brief description of the drawings
With reference to accompanying 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 representation of the optical imaging lens according to the embodiment of the present application 1;
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axle of the optical imaging lens of embodiment 1, astigmatism curve, distortion
Curve and ratio chromatism, curve;
Fig. 3 shows the structural representation of the optical imaging lens according to the embodiment of the present application 2;
Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 2, astigmatism curve, distortion
Curve and ratio chromatism, curve;
Fig. 5 shows the structural representation of the optical imaging lens according to the embodiment of the present application 3;
Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 3, astigmatism curve, distortion
Curve and ratio chromatism, curve;
Fig. 7 shows the structural representation of the optical imaging lens according to the embodiment of the present application 4;
Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 4, astigmatism curve, distortion
Curve and ratio chromatism, curve;
Fig. 9 shows the structural representation of the optical imaging lens according to the embodiment of the present application 5;
Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 5, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve;
Figure 11 shows the structural representation of the optical imaging lens according to the embodiment of the present application 6;
Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 6, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve;
Figure 13 shows the structural representation of the optical imaging lens according to the embodiment of the present application 7;
Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 7, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve;
Figure 15 shows the structural representation of the optical imaging lens according to the embodiment of the present application 8;
Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 8, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve;
Figure 17 shows the structural representation of the optical imaging lens according to the embodiment of the present application 9;
Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 9, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve;
Figure 19 shows the structural representation of the optical imaging lens according to the embodiment of the present application 10;
Figure 20 A to Figure 20 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 10, astigmatism curve,
Distortion curve and ratio chromatism, curve.
Embodiment
In order to more fully understand the application, refer to the attached drawing is made into more detailed description to the various aspects of the application.Should
Understand, these describe the description of the simply illustrative embodiments to the application in detail, rather than limit the application in any way
Scope.In the specification, identical reference numbers identical element.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in this manual, the statement of first, second, third, etc. is only used for a feature and another spy
Sign makes a distinction, and does not indicate that any restrictions to feature.Therefore, in the case of without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the 3rd lens.
In the accompanying drawings, for convenience of description, thickness, the size and dimension of lens are somewhat exaggerated.Specifically, accompanying drawing
Shown in sphere or aspherical shape be illustrated by way of example.That is, sphere or aspherical shape is not limited to accompanying drawing
In the sphere that shows or aspherical shape.Accompanying 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 the convex surface position
When putting, then it represents that the lens surface is extremely convex surface less than near axis area;If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is extremely concave surface less than near axis area.It is referred to as thing side near the surface of object in each lens,
It is referred to as image side surface near the surface of imaging surface in each lens.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
Represent stated feature, element and/or part be present when being used in bright book, but do not preclude the presence or addition of one or more
Further feature, element, part and/or combinations thereof.In addition, ought the statement of such as " ... at least one " appear in institute
When after the list of row feature, whole listed feature, rather than the individual component in modification list are modified.In addition, work as description originally
During the embodiment of application, represented " one or more embodiments of the application " using "available".Also, term " exemplary "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with
The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and
It will not explained with idealization or excessively formal sense, unless clearly so limiting herein.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Include such as seven lens with focal power according to the optical imaging lens of the application illustrative embodiments, i.e.,
First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens edges
Optical axis from thing side to image side sequential.
The sense for being arranged at imaging surface can also be further comprised according to the optical imaging lens of the application illustrative embodiments
Optical element.Alternatively, the photo-sensitive cell for being arranged at imaging surface can be photosensitive coupling element (CCD) or Complimentary Metal-Oxide half
Conductor element (CMOS).
In the exemplary embodiment, the first lens have positive light coke or negative power, and its thing side can be convex surface, as
Side can be concave surface;Second lens can have positive light coke, and its thing side can be convex surface, and image side surface can be convex surface;3rd lens
There can be negative power, its thing side can be convex surface, and image side surface can be concave surface;4th lens have positive light coke or negative light focus
Degree, its thing side can be convex surface, and image side surface can be concave surface;5th lens have positive light coke or negative power;6th lens have
There are positive light coke or negative power, its image side surface can be concave surface;And the 7th lens there is positive light coke or negative power, its thing
Side can be convex surface, and image side surface can be concave surface.
It can meet f2/ between the effective focal length f1 of first lens and the effective focal length f2 of the second lens | f1 | < 0.5, more
Body, f1 and f2 can further meet 0.04≤f2/ | f1 |≤0.39.To the reasonable of the first lens and the second lens effective focal length
Configuration, help to shorten the total length of optical system, while be advantageous to correct aberration on axle.
It can meet -1.0 < f/f3 between the effective focal length f3 of 3rd lens and total effective focal length f of optical imaging lens
≤ -0.5, more specifically, can further meet -0.82≤f/f3≤- 0.54 between f3 and f.Reasonable disposition optical imaging lens
Total effective focal length f and the 3rd lens effective focal length f3, can balance stationary lens group refracting power change, lift camera lens
Image quality.
It can meet f/ between the effective focal length f4 of 4th lens and total effective focal length f of optical imaging lens | f4 |≤0.5,
More specifically, it can further meet 0.00≤f/ between f4 and f | f4 |≤0.23.Reasonable distribution optical imaging lens it is total effectively
Focal length f and the 4th lens effective focal length f4, the deflection angle of light can be effectively reduced, reduce the susceptibility of optical system.
Effective focal length f5, the effective focal length f6 of the 6th lens and the total effective focal length of optical imaging lens of 5th lens
It can meet 0.4 between f≤| f/f5 |+| f/f6 |≤1.0, more specifically, can further meet 0.44 between f5, f6 and f≤| f/
f5|+|f/f6|≤0.92.The total effective focal length f and the 5th lens, the effective focal length of the 6th lens of optical imaging lens, are helped
In being adjusted to the curvature of field and astigmatism as edge, the image quality of camera lens is lifted.
It can meet f/ between the effective focal length f7 of 7th lens and total effective focal length f of optical imaging lens | f7 | < 1.0,
More specifically, it can further meet 0.01≤f/ between f7 and f | f7 |≤0.85.Reasonable distribution optical imaging lens it is total effectively
Focal length f and the 7th lens effective focal length f7, the deflection angle of light can be effectively reduced, reduce the susceptibility of optical system.
In the application, reasonable disposition can be carried out to the radius of curvature of each lens mirror, to realize preferable optical characteristics.
It can meet between the radius of curvature R 3 of the thing side of the lens of radius of curvature R 2 and second of the image side surface of first lens
0.8≤R2/R3≤1.0, more specifically, can further meet 0.88≤R2/R3≤0.95 between R2 and R3.Rational control the
One lens image side surface and the radius of curvature of the second lens thing side, can preferably convergent boundary light, reduce the outer coma of axle, carry
The image quality of high camera lens.
Second lens have positive light coke, are convergent lens, the radius of curvature R 3 of its thing side and the curvature of image side surface half
- 0.5≤R3/R4≤0 can be met between the R4 of footpath, more specifically, can further meet between R3 and R4-0.35≤R3/R4≤-
0.10.The rationally radius of curvature of the second lens thing side of control and image side surface, preferably can enter line convergence to its thing sidelight line,
The chromatic longitudiinal aberration of reduction system.
3rd lens have negative power, are divergent lens, the radius of curvature R 5 of its thing side and the curvature of image side surface half
0 < R6/R5 < 0.5 can be met between the R6 of footpath, more specifically, can further meet 0.22≤R6/R5≤0.33 between R5 and R6.
On the premise of meeting specification in lens imaging face, the radius of curvature of the 3rd lens image side surface and thing side is rationally controlled, can be rationally
Ground reduces angle of incidence of light, reduces system sensitivity, and ensures the stability of assembling.
It can meet 0 between the radius of curvature R 8 of the image side surface of the lens of radius of curvature R 7 and the 4th of the thing side of 4th lens
< R7/R8 < 1.5, more specifically, can further meet 0.32≤R7/R8≤1.10 between R7 and R8.Reasonable distribution the 4th is saturating
Mirror thing side and the radius of curvature of image side surface, system can be caused to obtain smaller chromatic longitudiinal aberration.
It can meet between the radius of curvature R 12 of the image side surface of the lens of radius of curvature R 9 and the 6th of the thing side of 5th lens
| (R9-R12)/(R9+R12) |≤2.0, more specifically, can further meet 0.07 between R9 and R12≤| (R9-R12)/(R9+
R12)|≤1.60.The rationally radius of curvature of control the 5th lens thing side of distribution and the 6th lens image side surface, can cause system
Obtain aberration on smaller axle.
4th lens are saturating in the center thickness CT5 and the 6th on optical axis in the center thickness CT4 on optical axis, the 5th lens
Mirror can meet (CT4+CT5+CT6)/3≤0.5 between the center thickness CT6 on optical axis, more specifically, CT4, CT5 and CT6 it
Between can further meet 0.30≤(CT4+CT5+CT6)/3≤0.45.The lens of reasonable Arrangement the 4th, the 5th lens and the 6th lens
Center thickness so that the 4th lens, the 5th lens and the 6th lens have more rational space availability ratio, and meet to assemble
Process requirements.
The optics total length TTL of optical imaging lens is (that is, from the thing side of the first lens to the imaging of optical imaging lens
Distance of the face on optical axis) with optical imaging lens imaging surface on photo-sensitive cell effective pixel area diagonal line length half ImgH
Between can meet TTL/ImgH≤1.85, more specifically, TTL and ImgH can further meet 1.37≤TTL/ImgH≤1.84.
To TTL and ImgH reasonable disposition, be advantageous to reduce the aberration of peripheral field;Simultaneously, additionally it is possible to the effectively chi of compressibility
It is very little, ensure ultra-slim features and the miniaturization of camera lens.
In the exemplary embodiment, imaging lens can also be arranged as required to an at least diaphragm between above-mentioned optics.
For example, the diaphragm (for example, aperture diaphragm) for confine optical beam can be provided between thing side and the first lens, with improving optical
The image quality of imaging lens.
Alternatively, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting
The protective glass of photo-sensitive cell on imaging surface.
By the Rational choice to number of lenses in camera lens, such as seven described in above-mentioned embodiment, it can obtain
Preferable design freedom, so as to better meet requirement of the market to the high imaging performance of camera lens.Pass through each lens of reasonable distribution
Focal power, face type, spacing etc. on the axle between the center thickness of each lens and each lens, the light of optical system can be shortened
Overall length is learned, ensures camera lens miniaturization and ultra-slim features;All kinds of aberrations can be corrected, lift the image quality of camera lens;It can reduce
Error sensitivity is fabricated, ensures assemble stable.
In addition, as known to those skilled in the art, non-spherical lens has more preferably radius of curvature characteristic, have and change
Kind the advantages of distorting aberration and improving astigmatic image error.In presently filed embodiment, respectively the lens with focal power can be adopted
With non-spherical lens, to eliminate the aberration occurred when imaging as much as possible, so as to further improving optical imaging system
Image quality.The use of non-spherical lens, it not only can significantly improve as matter, reduce aberration, camera lens can also be reduced
Number of lenses, reduce camera lens volume.
Those skilled in the art be also understood that without departing from this application claims technical scheme in the case of,
The lens numbers for forming optical imaging lens can be changed, to obtain each result and advantage described in this specification.Though for example,
So it is described in embodiments by taking seven lens as an example, but the optical imaging system is not limited to include seven lens.
If desired, the optical imaging lens may also include the lens of other quantity.
The specific embodiment for the optical imaging lens for being applicable to above-mentioned embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Optical imaging lens referring to Fig. 1 to Fig. 2 D descriptions according to the embodiment of the present application 1.Fig. 1 is shown according to this
Apply for the structural representation of the optical imaging lens of embodiment 1.
As shown in figure 1, optical imaging lens along optical axis from thing side to sequentially including the first lens E1, second saturating into image side
Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into
Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has negative power, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is concave surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has positive light coke, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 1 show the surface types of each lens of the optical imaging lens of embodiment 1, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 1
As shown in Table 1, the first lens E1 image side surface S2 lens E2 of radius of curvature R 2 and second thing side S3 song
Meet R2/R3=0.92 between rate radius R3;The second lens E2 thing side S3 lens E2 of radius of curvature R 3 and second picture
Meet R3/R4=-0.35 between side S4 radius of curvature R 4;3rd lens E3 thing side S5 radius of curvature R 5 and the 3rd
Meet R6/R5=0.22 between lens E3 image side surface S6 radius of curvature R 6;4th lens E4 thing side S7 curvature half
Meet R7/R8=1.08 between footpath R7 and the 4th lens E4 image side surface S8 radius of curvature R 8;5th lens E5 thing side
Meet between the S9 lens E6 of radius of curvature R 9 and the 6th image side surface S12 radius of curvature R 12 | (R9-R12)/(R9+R12) |
=0.07;4th lens E4 is in the center thickness CT4 on optical axis, the 5th lens E5 in the center thickness CT5 on optical axis and
Six lens E6 meet (CT4+CT5+CT6)/3=0.30 between the center thickness CT6 on optical axis.
The present embodiment employ seven lens as an example, by the focal length of each lens of reasonable distribution, each lens face type,
Spacing distance between the center thickness of each lens and each lens, while imaging lens miniaturization is realized, reduce camera lens
Susceptibility and lift the image quality of camera lens.In the present embodiment, each aspherical face type x is limited by below equation:
Wherein, x be it is aspherical along optical axis direction when being highly h position, away from aspheric vertex of surface apart from rise;C is
Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse);K be circular cone coefficient (
Provided in table 1);Ai is the correction factor of aspherical i-th-th ranks.Table 2 below is given available for each aspherical in embodiment 1
Minute surface S1-S14 high order term coefficient A4、A6、A8、A10、A12、A14、A16、A18And A20。
Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
S1 | 1.9814E-01 | -3.2292E-01 | 4.4170E-01 | -5.0199E-01 | 3.8645E-01 | -1.9113E-01 | 5.8370E-02 | -1.0008E-02 | 7.3800E-04 |
S2 | 1.9347E-02 | -2.0791E-01 | 2.1158E-01 | -2.2213E-01 | 3.8643E-01 | -4.3362E-01 | 2.6909E-01 | -8.7430E-02 | 1.1580E-02 |
S3 | 5.4620E-03 | -1.6261E-01 | 2.0462E-01 | -4.0410E-01 | 9.3159E-01 | -1.1090E+00 | 6.9077E-01 | -2.2074E-01 | 2.8851E-02 |
S4 | -5.5429E-02 | 7.4454E-02 | -2.6843E-01 | 5.1903E-01 | -5.4114E-01 | 3.0561E-01 | -8.6402E-02 | 9.1107E-03 | 1.5514E-04 |
S5 | -8.3040E-02 | 1.4005E-01 | -4.5056E-01 | 1.0351E+00 | -1.6429E+00 | 1.7540E+00 | -1.1795E+00 | 4.5306E-01 | -7.6055E-02 |
S6 | 1.0173E-01 | -1.6113E-01 | 2.2797E-01 | -2.9521E-01 | 2.2019E-01 | 3.6486E-02 | -1.7295E-01 | 1.0809E-01 | -2.2411E-02 |
S7 | -4.6717E-02 | 1.5938E-01 | -6.4159E-01 | 1.4931E+00 | -2.2408E+00 | 2.1013E+00 | -1.1606E+00 | 3.4272E-01 | -4.1659E-02 |
S8 | -1.3960E-01 | 4.3043E-01 | -1.5257E+00 | 3.1574E+00 | -4.1823E+00 | 3.5472E+00 | -1.8328E+00 | 5.2195E-01 | -6.2620E-02 |
S9 | -5.2670E-02 | 3.1052E-01 | -1.0896E+00 | 2.0674E+00 | -2.5523E+00 | 2.0229E+00 | -9.7433E-01 | 2.5740E-01 | -2.8478E-02 |
S10 | 4.8803E-02 | -2.3454E-01 | 4.3454E-01 | -5.1730E-01 | 3.7797E-01 | -1.6879E-01 | 4.4686E-02 | -6.4174E-03 | 3.8473E-04 |
S11 | 2.2435E-01 | -5.1892E-01 | 6.4322E-01 | -6.6872E-01 | 5.1477E-01 | -2.6519E-01 | 8.3743E-02 | -1.4440E-02 | 1.0365E-03 |
S12 | 1.1866E-01 | -1.5603E-01 | 1.0317E-02 | 6.7512E-02 | -5.5647E-02 | 2.2280E-02 | -4.9504E-03 | 5.8021E-04 | -2.7914E-05 |
S13 | -3.2033E-01 | 1.3105E-01 | 1.7158E-02 | -8.8439E-02 | 7.0055E-02 | -2.7323E-02 | 5.7926E-03 | -6.3882E-04 | 2.8754E-05 |
S14 | -2.4300E-01 | 1.6952E-01 | -9.6721E-02 | 3.8326E-02 | -9.9892E-03 | 1.6435E-03 | -1.6259E-04 | 8.7887E-06 | -1.9893E-07 |
Table 2
Table 3 below provides the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 1, optical imaging lens
Total effective focal length f, the optics total length TTL of optical imaging lens are (that is, from the first lens E1 thing side S1 to imaging surface S17
Distance on optical axis) and optical imaging lens imaging surface S17 on photo-sensitive cell effective pixel area diagonal line length one
Half ImgH.
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 12.03 | 3.70 | -5.01 | -199.87 | 20.52 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | 17.29 | -8.66 | 4.09 | 4.97 | 2.70 |
Table 3
It can be obtained according to table 3, meet f2/ between the first lens E1 effective focal length f1 and the second lens E2 effective focal length f2
| f1 |=0.31;Meet f/f3=- between 3rd lens E3 effective focal length f3 and total effective focal length f of optical imaging lens
0.82;Meet f/ between 4th lens E4 effective focal length f4 and total effective focal length f of optical imaging lens | f4 |=0.02;The
Between five lens E5 effective focal length f5, the 6th lens E6 effective focal length f6 and optical imaging lens total effective focal length f
Meet | f/f5 |+| f/f6 |=0.44;Between 7th lens E7 effective focal length f7 and total effective focal length f of optical imaging lens
Meet f/ | f7 |=0.47;Photo-sensitive cell on the optics total length TTL and optical imaging lens imaging surface S17 of optical imaging lens
Effective pixel area diagonal line length half ImgH between meet TTL/ImgH=1.84.
In the optical imaging lens of the present embodiment, the 4th lens E4 is in center thickness CT4 and the 4th lens on optical axis
E4 meets ET4/CT4=0.81 between the edge thickness ET4 at maximum radius.
Fig. 2A shows chromatic curve on the axle of the optical imaging lens of embodiment 1, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 2 B show the astigmatism curve of the optical imaging lens of embodiment 1, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 2 C show the distortion curve of the optical imaging lens of embodiment 1, and it represents different visual angles
In the case of distortion sizes values.Fig. 2 D show the ratio chromatism, curve of the optical imaging lens of embodiment 1, and it represents light warp
By the deviation of the different image heights after camera lens on imaging surface.Understood according to Fig. 2A to Fig. 2 D, optics given by embodiment 1 into
As camera lens can realize good image quality.
Embodiment 2
Optical imaging lens referring to Fig. 3 to Fig. 4 D descriptions according to the embodiment of the present application 2.In the present embodiment and following
In embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2
Optical imaging lens structural representation.
As shown in figure 3, optical imaging lens along optical axis from thing side to sequentially including the first lens E1, second saturating into image side
Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into
Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is concave surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has negative power, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 4 show the surface types of each lens of the optical imaging lens of embodiment 2, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 5 is shown available for each aspheric in embodiment 2
The high order term coefficient of face minute surface.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 6 shows
Gone out the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 2, optical imaging lens total effective focal length f,
The effective pixel area of photo-sensitive cell on the optics total length TTL and optical imaging lens imaging surface S17 of optical imaging lens
The half ImgH of diagonal line length.
Table 4
Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
S1 | 2.1568E-01 | -3.7435E-01 | 5.0620E-01 | -5.8492E-01 | 4.4124E-01 | -2.0124E-01 | 5.3894E-02 | -7.8284E-03 | 4.7720E-04 |
S2 | 8.9671E-02 | -3.2814E-01 | 3.0544E-01 | -2.8957E-01 | 3.4510E-01 | -2.5526E-01 | 1.0037E-01 | -1.9845E-02 | 1.5632E-03 |
S3 | -8.0009E-04 | 1.3832E-01 | -8.4595E-01 | 1.3843E+00 | -1.0284E+00 | 3.9086E-01 | -7.7419E-02 | 8.5688E-03 | -6.7175E-04 |
S4 | -4.6929E-02 | 5.2336E-02 | -3.5508E-01 | 7.6162E-01 | -8.0751E-01 | 4.7557E-01 | -1.5780E-01 | 2.7611E-02 | -1.9835E-03 |
S5 | -6.9491E-02 | 3.1235E-01 | -1.2014E+00 | 2.4058E+00 | -2.8517E+00 | 2.0061E+00 | -7.8854E-01 | 1.5064E-01 | -9.3830E-03 |
S6 | 9.6408E-02 | -2.2380E-01 | 8.5846E-01 | -2.2568E+00 | 3.5543E+00 | -3.4090E+00 | 1.9512E+00 | -6.0568E-01 | 7.7908E-02 |
S7 | -9.1085E-02 | 1.9923E-01 | -5.3698E-01 | 1.0069E+00 | -1.1522E+00 | 7.9348E-01 | -3.2093E-01 | 7.0083E-02 | -6.3682E-03 |
S8 | -1.4244E-01 | 2.0372E-01 | -5.8597E-01 | 1.0026E+00 | -1.0079E+00 | 6.1492E-01 | -2.2208E-01 | 4.3608E-02 | -3.5907E-03 |
S9 | 9.3661E-03 | 1.8729E-01 | -5.9447E-01 | 8.2254E-01 | -7.1947E-01 | 4.0353E-01 | -1.3977E-01 | 2.7138E-02 | -2.2486E-03 |
S10 | 7.1234E-02 | -1.0899E-01 | 1.0225E-01 | -1.0325E-01 | 6.2549E-02 | -2.0974E-02 | 3.9117E-03 | -3.8200E-04 | 1.5270E-05 |
S11 | 2.3774E-01 | -5.1589E-01 | 4.8805E-01 | -3.0329E-01 | 1.1584E-01 | -2.4696E-02 | 2.4724E-03 | -4.0084E-05 | -6.8407E-06 |
S12 | 1.6380E-01 | -2.8938E-01 | 2.1152E-01 | -9.8367E-02 | 2.9996E-02 | -5.8052E-03 | 6.7861E-04 | -4.3460E-05 | 1.1665E-06 |
S13 | -2.5402E-01 | 1.3844E-01 | -5.2410E-02 | 1.5891E-02 | -3.5018E-03 | 5.1148E-04 | -4.6234E-05 | 2.3309E-06 | -4.9973E-08 |
S14 | -1.6977E-01 | 1.0073E-01 | -4.1395E-02 | 1.1391E-02 | -2.0721E-03 | 2.4251E-04 | -1.7434E-05 | 6.9687E-07 | -1.1803E-08 |
Table 5
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 32.68 | 3.30 | -6.70 | 448.38 | 11.26 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | -13.69 | -115.11 | 3.66 | 4.98 | 3.24 |
Table 6
Fig. 4 A show chromatic curve on the axle of the optical imaging lens of embodiment 2, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 4 B show the astigmatism curve of the optical imaging lens of embodiment 2, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 4 C show the distortion curve of the optical imaging lens of embodiment 2, and it represents different visual angles
In the case of distortion sizes values.Fig. 4 D show the ratio chromatism, curve of the optical imaging lens of embodiment 2, and it represents light warp
By the deviation of the different image heights after camera lens on imaging surface.Understood according to Fig. 4 A to Fig. 4 D, optics given by embodiment 2 into
As camera lens can realize good image quality.
Embodiment 3
The optical imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basis
The structural representation of the optical imaging lens of the embodiment of the present application 3.
As shown in figure 5, optical imaging lens along optical axis from thing side to sequentially including the first lens E1, second saturating into image side
Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into
Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has negative power, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is convex surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has negative power, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has positive light coke, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 8 is shown available for each aspheric in embodiment 3
The high order term coefficient of face minute surface.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 9 shows
Gone out the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 3, optical imaging lens total effective focal length f,
The effective pixel area of photo-sensitive cell on the optics total length TTL and optical imaging lens imaging surface S17 of optical imaging lens
The half ImgH of diagonal line length.
Table 7
Table 8
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 21.24 | 3.72 | -6.80 | -163.14 | 11.19 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | -16.41 | 150.22 | 3.82 | 4.98 | 3.39 |
Table 9
Fig. 6 A show chromatic curve on the axle of the optical imaging lens of embodiment 3, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 6 B show the astigmatism curve of the optical imaging lens of embodiment 3, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 6 C show the distortion curve of the optical imaging lens of embodiment 3, and it represents different visual angles
In the case of distortion sizes values.Fig. 6 D show the ratio chromatism, curve of the optical imaging lens of embodiment 3, and it represents light warp
By the deviation of the different image heights after camera lens on imaging surface.Understood according to Fig. 6 A to Fig. 6 D, optics given by embodiment 3 into
As camera lens can realize good image quality.
Embodiment 4
The optical imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basis
The structural representation of the optical imaging lens of the embodiment of the present application 4.
As shown in fig. 7, optical imaging lens along optical axis from thing side to sequentially including the first lens E1, second saturating into image side
Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into
Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has negative power, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is concave surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has negative power, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 4
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 11 is shown available for each in embodiment 4
The high order term coefficient of aspherical mirror.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
12 show total effectively Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 4, optical imaging lens
Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17
The half ImgH of region diagonal line length.
Table 10
Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
S1 | 1.8632E-01 | -2.9331E-01 | 3.5974E-01 | -3.7705E-01 | 2.5799E-01 | -1.0672E-01 | 2.5924E-02 | -3.4155E-03 | 1.8884E-04 |
S2 | 7.7461E-02 | -2.5711E-01 | 2.1707E-01 | -1.8666E-01 | 2.0177E-01 | -1.3537E-01 | 4.8280E-02 | -8.6585E-03 | 6.1861E-04 |
S3 | -6.9115E-04 | 1.0838E-01 | -6.0120E-01 | 8.9231E-01 | -6.0126E-01 | 2.0728E-01 | -3.7240E-02 | 3.7386E-03 | -2.6584E-04 |
S4 | -4.0539E-02 | 4.1006E-02 | -2.5235E-01 | 4.9095E-01 | -4.7214E-01 | 2.5221E-01 | -7.5903E-02 | 1.2046E-02 | -7.8492E-04 |
S5 | -6.0029E-02 | 2.4474E-01 | -8.5382E-01 | 1.5508E+00 | -1.6673E+00 | 1.0639E+00 | -3.7930E-01 | 6.5726E-02 | -3.7132E-03 |
S6 | 8.3281E-02 | -1.7535E-01 | 6.1009E-01 | -1.4548E+00 | 2.0782E+00 | -1.8079E+00 | 9.3857E-01 | -2.6425E-01 | 3.0831E-02 |
S7 | -7.8682E-02 | 1.5610E-01 | -3.8162E-01 | 6.4906E-01 | -6.7369E-01 | 4.2080E-01 | -1.5437E-01 | 3.0577E-02 | -2.5201E-03 |
S8 | -1.2304E-01 | 1.5962E-01 | -4.1644E-01 | 6.4630E-01 | -5.8930E-01 | 3.2611E-01 | -1.0682E-01 | 1.9026E-02 | -1.4210E-03 |
S9 | 8.0908E-03 | 1.4675E-01 | -4.2248E-01 | 5.3021E-01 | -4.2066E-01 | 2.1400E-01 | -6.7231E-02 | 1.1840E-02 | -8.8983E-04 |
S10 | 6.1535E-02 | -8.5396E-02 | 7.2669E-02 | -6.6558E-02 | 3.6571E-02 | -1.1123E-02 | 1.8816E-03 | -1.6667E-04 | 6.0429E-06 |
S11 | 2.0537E-01 | -4.0422E-01 | 3.4685E-01 | -1.9550E-01 | 6.7731E-02 | -1.3097E-02 | 1.1892E-03 | -1.7488E-05 | -2.7071E-06 |
S12 | 1.4149E-01 | -2.2673E-01 | 1.5033E-01 | -6.3409E-02 | 1.7538E-02 | -3.0786E-03 | 3.2642E-04 | -1.8961E-05 | 4.6163E-07 |
S13 | -2.1943E-01 | 1.0847E-01 | -3.7247E-02 | 1.0243E-02 | -2.0475E-03 | 2.7125E-04 | -2.2240E-05 | 1.0170E-06 | -1.9776E-08 |
S14 | -1.4665E-01 | 7.8921E-02 | -2.9419E-02 | 7.3430E-03 | -1.2115E-03 | 1.2861E-04 | -8.3860E-06 | 3.0404E-07 | -4.6707E-09 |
Table 11
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 34.31 | 3.47 | -7.03 | -665.66 | 11.83 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | -14.37 | -120.86 | 3.89 | 5.23 | 3.50 |
Table 12
Fig. 8 A show chromatic curve on the axle of the optical imaging lens of embodiment 4, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 8 B show the astigmatism curve of the optical imaging lens of embodiment 4, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 8 C show the distortion curve of the optical imaging lens of embodiment 4, and it represents different visual angles
In the case of distortion sizes values.Fig. 8 D show the ratio chromatism, curve of the optical imaging lens of embodiment 4, and it represents light warp
By the deviation of the different image heights after camera lens on imaging surface.Understood according to Fig. 8 A to Fig. 8 D, optics given by embodiment 4 into
As camera lens can realize good image quality.
Embodiment 5
The optical imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basis
The structural representation of the optical imaging lens of the embodiment of the present application 5.
As shown in figure 9, optical imaging lens along optical axis from thing side to sequentially including the first lens E1, second saturating into image side
Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into
Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is convex surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has negative power, and its thing side S11 is concave surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 14 is shown available for each in embodiment 5
The high order term coefficient of aspherical mirror.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
15 show total effectively Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 5, optical imaging lens
Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17
The half ImgH of region diagonal line length.
Table 13
Table 14
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 12.97 | 4.23 | -6.19 | 125.01 | 4.97 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | -23.89 | -4.84 | 3.77 | 5.11 | 3.24 |
Table 15
Figure 10 A show chromatic curve on the axle of the optical imaging lens of embodiment 5, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 10 B show the astigmatism curve of the optical imaging lens of embodiment 5, and it represents meridian
Curvature of the image and sagittal image surface bending.Figure 10 C show the distortion curve of the optical imaging lens of embodiment 5, and it represents different
Distortion sizes values in the case of visual angle.Figure 10 D show the ratio chromatism, curve of the optical imaging lens of embodiment 5, and it is represented
Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 10 A to Figure 10 D, given by embodiment 5
Optical imaging lens can realize good image quality.
Embodiment 6
The optical imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 to Figure 12 D.Figure 11 shows root
According to the structural representation of the optical imaging lens of the embodiment of the present application 6.
As shown in figure 11, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side
Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics
Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is convex surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has negative power, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 17 is shown available for each in embodiment 6
The high order term coefficient of aspherical mirror.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
18 show total effectively Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 6, optical imaging lens
Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17
The half ImgH of region diagonal line length.
Table 16
Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
S1 | 1.9993E-01 | -3.5970E-01 | 6.3875E-01 | -1.1173E+00 | 1.5557E+00 | -1.5670E+00 | 1.0278E+00 | -3.8378E-01 | 6.1344E-02 |
S2 | 3.0611E-03 | -1.3098E-01 | 1.4136E-01 | -1.5461E-01 | 2.1269E-01 | -2.1545E-01 | 1.4684E-01 | -5.9606E-02 | 1.0380E-02 |
S3 | -7.2882E-03 | -9.7942E-02 | 2.0214E-02 | 1.9029E-01 | -3.6293E-01 | 4.7797E-01 | -3.9855E-01 | 1.7523E-01 | -3.1126E-02 |
S4 | -8.5963E-03 | -1.2802E-01 | 1.7279E-01 | -7.9144E-02 | -2.9720E-02 | 6.2454E-02 | -4.9273E-02 | 2.4426E-02 | -5.4507E-03 |
S5 | 1.5950E-04 | -1.5849E-01 | 2.4554E-01 | -2.3837E-01 | 2.0766E-01 | -2.2236E-01 | 1.9261E-01 | -8.7381E-02 | 1.5198E-02 |
S6 | 9.4168E-02 | -1.3971E-01 | 1.5609E-01 | -6.9295E-02 | -1.0420E-01 | 2.1940E-01 | -1.7424E-01 | 6.9183E-02 | -1.1236E-02 |
S7 | -5.1204E-02 | 7.6569E-02 | -1.7396E-01 | 3.0900E-01 | -3.6252E-01 | 2.7220E-01 | -1.2697E-01 | 3.3765E-02 | -3.9280E-03 |
S8 | -8.5519E-02 | 8.7705E-03 | 1.6182E-02 | -4.0450E-02 | 6.6374E-02 | -6.4766E-02 | 3.6578E-02 | -1.0978E-02 | 1.3676E-03 |
S9 | 3.1327E-02 | -9.4393E-02 | 4.4070E-02 | 2.3990E-02 | -6.9875E-02 | 5.8303E-02 | -2.5278E-02 | 5.7492E-03 | -5.3514E-04 |
S10 | 1.4141E-01 | -2.1812E-01 | 1.7250E-01 | -9.0983E-02 | 2.2676E-02 | 1.9014E-03 | -2.6705E-03 | 6.2727E-04 | -5.1081E-05 |
S11 | 1.7362E-01 | -2.5720E-01 | 2.0271E-01 | -1.3211E-01 | 6.0964E-02 | -1.7614E-02 | 3.0213E-03 | -2.8571E-04 | 1.1755E-05 |
S12 | 1.1254E-01 | -1.0595E-01 | 3.5253E-02 | -5.3033E-03 | 3.5232E-04 | -5.7648E-05 | 1.9369E-05 | -2.5774E-06 | 1.1741E-07 |
S13 | -1.7409E-01 | 5.2651E-02 | 3.8380E-03 | -7.9804E-03 | 2.8088E-03 | -5.1365E-04 | 5.3426E-05 | -2.9970E-06 | 7.0571E-08 |
S14 | -1.2148E-01 | 5.1575E-02 | -1.2156E-02 | -2.7660E-04 | 1.2555E-03 | -4.0285E-04 | 6.0327E-05 | -4.4455E-06 | 1.2950E-07 |
Table 17
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 11.30 | 4.38 | -6.22 | 158.81 | 6.44 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | -14.86 | -12.09 | 3.58 | 4.92 | 2.84 |
Table 18
Figure 12 A show chromatic curve on the axle of the optical imaging lens of embodiment 6, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 12 B show the astigmatism curve of the optical imaging lens of embodiment 6, and it represents meridian
Curvature of the image and sagittal image surface bending.Figure 12 C show the distortion curve of the optical imaging lens of embodiment 6, and it represents different
Distortion sizes values in the case of visual angle.Figure 12 D show the ratio chromatism, curve of the optical imaging lens of embodiment 6, and it is represented
Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 12 A to Figure 12 D, given by embodiment 6
Optical imaging lens can realize good image quality.
Embodiment 7
The optical imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 to Figure 14 D.Figure 13 shows root
According to the structural representation of the optical imaging lens of the embodiment of the present application 7.
As shown in figure 13, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side
Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics
Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is concave surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has negative power, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has positive light coke, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 7
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 20 is shown available for each in embodiment 7
The high order term coefficient of aspherical mirror.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
21 show total effectively Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 7, optical imaging lens
Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17
The half ImgH of region diagonal line length.
Table 19
Table 20
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 34.31 | 3.47 | -7.03 | 470.80 | 11.83 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | -14.37 | 303.13 | 3.78 | 5.23 | 3.50 |
Table 21
Figure 14 A show chromatic curve on the axle of the optical imaging lens of embodiment 7, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 14 B show the astigmatism curve of the optical imaging lens of embodiment 7, and it represents meridian
Curvature of the image and sagittal image surface bending.Figure 14 C show the distortion curve of the optical imaging lens of embodiment 7, and it represents different
Distortion sizes values in the case of visual angle.Figure 14 D show the ratio chromatism, curve of the optical imaging lens of embodiment 7, and it is represented
Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 14 A to Figure 14 D, given by embodiment 7
Optical imaging lens can realize good image quality.
Embodiment 8
The optical imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 shows root
According to the structural representation of the optical imaging lens of the embodiment of the present application 8.
As shown in figure 15, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side
Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics
Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.
First lens E1 has negative power, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has negative power, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is concave surface, and image side surface S10 is convex surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has positive light coke, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 8
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 23 is shown available for each in embodiment 8
The high order term coefficient of aspherical mirror.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
24 show total effectively Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 8, optical imaging lens
Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17
The half ImgH of region diagonal line length.
Table 22
Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
S1 | 4.5013E-02 | -6.3688E-02 | 2.5611E-02 | -4.1146E-03 | -1.4721E-04 | 1.4748E-04 | -2.0968E-05 | 1.2757E-06 | -2.9347E-08 |
S2 | 3.1166E-02 | -1.3499E-01 | 1.0770E-01 | -2.9000E-02 | 6.3323E-05 | 1.4169E-03 | -2.6845E-04 | 1.8649E-05 | -3.7109E-07 |
S3 | 5.4105E-02 | -5.7798E-02 | 7.8886E-03 | 5.7855E-02 | -5.2007E-02 | 1.9624E-02 | -3.7941E-03 | 3.7069E-04 | -1.4544E-05 |
S4 | 5.6369E-02 | -1.5348E-01 | 1.4054E-01 | -8.3005E-02 | 3.4520E-02 | -9.5868E-03 | 1.6446E-03 | -1.5580E-04 | 6.2024E-06 |
S5 | 2.2412E-02 | -9.7214E-02 | 8.1816E-02 | -3.3340E-02 | 7.8482E-03 | -1.1198E-03 | 9.5517E-05 | -4.4805E-06 | 8.8898E-08 |
S6 | 2.5401E-02 | 1.3080E-02 | -5.2988E-02 | 2.0202E-01 | -3.9013E-01 | 4.2961E-01 | -2.6739E-01 | 8.7764E-02 | -1.1742E-02 |
S7 | -3.1683E-02 | -3.8679E-02 | 3.4634E-02 | -4.0066E-02 | 2.8480E-02 | -1.0037E-02 | 1.8306E-03 | -1.6676E-04 | 5.9909E-06 |
S8 | -9.8096E-02 | 1.3515E-01 | -2.7581E-01 | 3.0493E-01 | -2.3238E-01 | 1.2770E-01 | -4.7779E-02 | 1.0452E-02 | -9.7345E-04 |
S9 | -2.6091E-01 | 5.4905E-01 | -7.3398E-01 | 5.7201E-01 | -2.5985E-01 | 6.8810E-02 | -1.0418E-02 | 8.3130E-04 | -2.6884E-05 |
S10 | -2.6742E-01 | 4.4775E-01 | -5.0673E-01 | 3.6376E-01 | -1.5474E-01 | 3.9129E-02 | -5.7895E-03 | 4.6334E-04 | -1.5496E-05 |
S11 | 3.1156E-01 | -4.5962E-01 | 3.6559E-01 | -2.5291E-01 | 1.4794E-01 | -6.1661E-02 | 1.5659E-02 | -2.1150E-03 | 1.1577E-04 |
S12 | 3.8895E-01 | -5.1887E-01 | 3.3869E-01 | -1.3662E-01 | 3.4880E-02 | -5.5882E-03 | 5.4227E-04 | -2.9064E-05 | 6.5952E-07 |
S13 | -2.3808E-01 | 5.3927E-02 | 7.5094E-03 | -5.3115E-03 | 1.0490E-03 | -1.0869E-04 | 6.3444E-06 | -1.9704E-07 | 2.5330E-09 |
S14 | -1.6234E-01 | 6.4894E-02 | -1.7276E-02 | 2.9212E-03 | -3.0158E-04 | 1.8922E-05 | -7.0272E-07 | 1.4169E-08 | -1.1931E-10 |
Table 23
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | -82.18 | 3.20 | -6.72 | -3313.30 | 7.06 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | 16.02 | -5.49 | 3.75 | 5.00 | 3.50 |
Table 24
Figure 16 A show chromatic curve on the axle of the optical imaging lens of embodiment 8, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 16 B show the astigmatism curve of the optical imaging lens of embodiment 8, and it represents meridian
Curvature of the image and sagittal image surface bending.Figure 16 C show the distortion curve of the optical imaging lens of embodiment 8, and it represents different
Distortion sizes values in the case of visual angle.Figure 16 D show the ratio chromatism, curve of the optical imaging lens of embodiment 8, and it is represented
Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 16 A to Figure 16 D, given by embodiment 8
Optical imaging lens can realize good image quality.
Embodiment 9
The optical imaging lens according to the embodiment of the present application 9 are described referring to Figure 17 to Figure 18 D.Figure 17 shows root
According to the structural representation of the optical imaging lens of the embodiment of the present application 9.
As shown in figure 17, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side
Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics
Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is concave surface, and image side surface S10 is convex surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has negative power, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 9
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 26 is shown available for each in embodiment 9
The high order term coefficient of aspherical mirror.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
27 show total effectively Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 9, optical imaging lens
Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17
The half ImgH of region diagonal line length.
Table 25
Table 26
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 71.02 | 3.45 | -6.18 | 16.69 | 5.45 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | -77.47 | -4.51 | 3.82 | 5.00 | 3.50 |
Table 27
Figure 18 A show chromatic curve on the axle of the optical imaging lens of embodiment 9, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 18 B show the astigmatism curve of the optical imaging lens of embodiment 9, and it represents meridian
Curvature of the image and sagittal image surface bending.Figure 18 C show the distortion curve of the optical imaging lens of embodiment 9, and it represents different
Distortion sizes values in the case of visual angle.Figure 18 D show the ratio chromatism, curve of the optical imaging lens of embodiment 9, and it is represented
Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 18 A to Figure 18 D, given by embodiment 9
Optical imaging lens can realize good image quality.
Embodiment 10
The optical imaging lens according to the embodiment of the present application 10 are described referring to Figure 19 to Figure 20 D.Figure 19 is shown
According to the structural representation of the optical imaging lens of the embodiment of the present application 10.
As shown in figure 19, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side
Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics
Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.
First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1
Thing side S1 and image side surface S2 be aspherical.
Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2
Thing side S3 and image side surface S4 be aspherical.
3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3
Thing side S5 and image side surface S6 be aspherical.
4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4
Thing side S7 and image side surface S8 be aspherical.
5th lens E5 has positive light coke, and its thing side S9 is concave surface, and image side surface S10 is convex surface, and the 5th lens
E5 thing side S9 and image side surface S10 is aspherical.
6th lens E6 has positive light coke, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens
E6 thing side S11 and image side surface S12 is aspherical.
7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens
E7 thing side S13 and image side surface S14 is aspherical.
Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing
The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.
Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into
As the image quality of camera lens.
Table 28 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 10
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 29 is shown available for each in embodiment 10
The high order term coefficient of aspherical mirror.Wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
30 show total effectively Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 10, optical imaging lens
Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17
The half ImgH of region diagonal line length.
Table 28
Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
S1 | 8.6935E-02 | -9.8380E-02 | 4.5177E-02 | -1.0807E-02 | 1.4817E-03 | -1.2059E-04 | 5.7401E-06 | -1.4688E-07 | 1.5501E-09 |
S2 | 1.7746E-02 | -8.4082E-02 | -6.3983E-03 | 1.0307E-01 | -8.1964E-02 | 2.9594E-02 | -5.6358E-03 | 5.4967E-04 | -2.1654E-05 |
S3 | 1.8309E-02 | 5.5991E-03 | -1.1457E-01 | 2.0171E-01 | -1.4360E-01 | 5.2169E-02 | -1.0271E-02 | 1.0463E-03 | -4.3312E-05 |
S4 | 8.9517E-02 | -1.7614E-01 | 1.2395E-01 | -4.0940E-02 | 4.0392E-03 | 1.3777E-03 | -4.8571E-04 | 5.8427E-05 | -2.5608E-06 |
S5 | 3.3970E-02 | -1.1597E-01 | 8.6787E-02 | -3.1478E-02 | 6.6343E-03 | -8.5712E-04 | 6.7138E-05 | -2.9336E-06 | 5.4932E-08 |
S6 | 2.8942E-02 | 2.6144E-02 | -1.1536E-01 | 3.2536E-01 | -5.3698E-01 | 5.3570E-01 | -3.1219E-01 | 9.8049E-02 | -1.2757E-02 |
S7 | -5.0756E-02 | -2.4355E-02 | 4.8643E-02 | -5.8499E-02 | 3.1444E-02 | -8.2362E-03 | 1.0779E-03 | -6.2671E-05 | 9.4821E-07 |
S8 | -4.8010E-02 | -1.8409E-02 | 3.2692E-02 | -7.5843E-02 | 9.4094E-02 | -6.9564E-02 | 2.9450E-02 | -6.4553E-03 | 5.6657E-04 |
S9 | 1.6411E-02 | -2.2462E-03 | -1.9730E-02 | 8.0390E-03 | -1.3967E-03 | 1.3081E-04 | -6.9097E-06 | 1.9435E-07 | -2.2686E-09 |
S10 | -9.3351E-02 | 1.8324E-01 | -2.1227E-01 | 1.4141E-01 | -5.5732E-02 | 1.3336E-02 | -1.8987E-03 | 1.4762E-04 | -4.8161E-06 |
S11 | 1.0367E-01 | -2.0302E-01 | 1.4738E-01 | -1.0652E-01 | 5.8248E-02 | -1.9915E-02 | 3.9445E-03 | -4.1239E-04 | 1.7577E-05 |
S12 | 1.2542E-01 | -1.9200E-01 | 1.0230E-01 | -3.3192E-02 | 7.2886E-03 | -1.0671E-03 | 9.7406E-05 | -4.9406E-06 | 1.0566E-07 |
S13 | -4.0421E-01 | 1.9956E-01 | -3.3255E-02 | -5.4559E-03 | 3.5807E-03 | -7.2018E-04 | 7.4329E-05 | -3.9450E-06 | 8.5153E-08 |
S14 | -2.2689E-01 | 1.2233E-01 | -4.0858E-02 | 8.8829E-03 | -1.2644E-03 | 1.1201E-04 | -5.8498E-06 | 1.6393E-07 | -1.8961E-09 |
Table 29
Parameter | f1(mm) | f2(mm) | f3(mm) | f4(mm) | f5(mm) |
Numerical value | 80.65 | 3.42 | -6.27 | 17.88 | 7.59 |
Parameter | f6(mm) | f7(mm) | f(mm) | TTL(mm) | ImgH(mm) |
Numerical value | 47.76 | -4.61 | 3.88 | 5.00 | 3.65 |
Table 30
Figure 20 A show chromatic curve on the axle of the optical imaging lens of embodiment 10, and it represents the light of different wave length
Deviate via the converging focal point after camera lens.Figure 20 B show the astigmatism curve of the optical imaging lens of embodiment 10, and it represents son
Noon curvature of the image and sagittal image surface bending.Figure 20 C show the distortion curve of the optical imaging lens of embodiment 10, and it is represented not
With the distortion sizes values in the case of visual angle.Figure 20 D show the ratio chromatism, curve of the optical imaging lens of embodiment 10, its table
Show deviation of the light via the different image heights after camera lens on imaging surface.Understood according to Figure 20 A to Figure 20 D, the institute of embodiment 10
The optical imaging lens provided can realize good image quality.
To sum up, embodiment 1 to embodiment 10 meets the relation shown in table 3 below 1 respectively.
Conditional embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
f2/|f1| | 0.31 | 0.10 | 0.18 | 0.10 | 0.33 | 0.39 | 0.10 | 0.04 | 0.05 | 0.04 |
|(R9-R12)/(R9+R12)| | 0.07 | 0.13 | 0.31 | 0.13 | 0.75 | 0.16 | 0.13 | 1.20 | 1.60 | 1.45 |
(CT4+CT5+CT6)/3 | 0.30 | 0.37 | 0.37 | 0.39 | 0.45 | 0.40 | 0.39 | 0.36 | 0.41 | 0.38 |
f/|f4| | 0.02 | 0.01 | 0.02 | 0.01 | 0.03 | 0.02 | 0.01 | 0.001 | 0.23 | 0.22 |
|f/f5|+|f/f6| | 0.44 | 0.59 | 0.57 | 0.60 | 0.92 | 0.80 | 0.58 | 0.76 | 0.75 | 0.59 |
ET4/CT4 | 0.81 | 0.71 | 0.69 | 0.71 | 0.67 | 0.67 | 0.71 | 0.47 | 0.51 | 0.48 |
R2/R3 | 0.92 | 0.92 | 0.89 | 0.92 | 0.94 | 0.94 | 0.92 | 0.88 | 0.91 | 0.95 |
R3/R4 | -0.35 | -0.14 | -0.18 | -0.14 | -0.21 | -0.21 | -0.14 | -0.13 | -0.11 | -0.10 |
R6/R5 | 0.22 | 0.33 | 0.32 | 0.33 | 0.30 | 0.30 | 0.33 | 0.25 | 0.28 | 0.29 |
f/f3 | -0.82 | -0.55 | -0.56 | -0.55 | -0.61 | -0.58 | -0.54 | -0.56 | -0.62 | -0.62 |
f/|f7| | 0.47 | 0.03 | 0.03 | 0.03 | 0.78 | 0.30 | 0.01 | 0.68 | 0.85 | 0.84 |
R7/R8 | 1.08 | 0.99 | 1.10 | 1.04 | 0.80 | 0.92 | 0.99 | 1.02 | 0.32 | 0.32 |
TTL/ImgH | 1.84 | 1.54 | 1.47 | 1.49 | 1.58 | 1.73 | 1.49 | 1.43 | 1.43 | 1.37 |
Table 31
The application also provides a kind of imaging device, and its electronics photo-sensitive cell can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be such as digital camera independent picture pick-up device or
The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above
Head.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (42)
1. optical imaging lens, sequentially included by thing side to image side along optical axis:First lens, the second lens, the 3rd lens,
Four lens, the 5th lens, the 6th lens and the 7th lens, it is characterised in that
First lens, the 4th lens and the 5th lens are respectively provided with positive light coke or negative power;
Second lens have positive light coke;
3rd lens have negative power;
At least one in 6th lens and the 7th lens has negative power,
Wherein, the effective focal length f1 of first lens and second lens effective focal length f2 meet f2/ | f1 | < 0.5.
2. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens
F and the 3rd lens effective focal length f3 meet -1.0 < f/f3≤- 0.5.
3. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens
F and the 4th lens effective focal length f4 meet f/ | f4 |≤0.5.
4. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens
F, the effective focal length f6 of the effective focal length f5 of the 5th lens and the 6th lens meet 0.4≤| f/f5 |+| f/f6 |
≤1.0。
5. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens
F and the 7th lens effective focal length f7 meet f/ | f7 | < 1.0.
6. optical imaging lens according to any one of claim 1 to 5, it is characterised in that (CT4+CT5+CT6)/3≤
0.5,
Wherein, CT4 is the 4th lens in the center thickness on the optical axis;
CT5 is the 5th lens in the center thickness on the optical axis;And
CT6 is the 6th lens in the center thickness on the optical axis.
7. optical imaging lens according to any one of claim 1 to 5, it is characterised in that the 4th lens are most
Edge thickness ET4 at large radius meets 0.4 < ET4/CT4 with the 4th lens in the center thickness CT4 on the optical axis
< 1.0.
8. optical imaging lens according to any one of claim 1 to 5, it is characterised in that the thing of first lens
Side is convex surface.
9. optical imaging lens according to claim 8, it is characterised in that the image side surface of the 4th lens is concave surface.
10. optical imaging lens according to claim 9, it is characterised in that the image side surface of the 6th lens is concave surface.
11. optical imaging lens according to claim 10, it is characterised in that the curvature of the image side surface of first lens
Radius R2 and the radius of curvature R 3 of the thing side of second lens meet 0.8≤R2/R3≤1.0.
12. optical imaging lens according to claim 10, it is characterised in that the curvature of the thing side of second lens
Radius R3 and the image side surface of second lens radius of curvature R 4 meet -0.5≤R3/R4≤0.
13. optical imaging lens according to claim 10, it is characterised in that the curvature of the image side surface of the 3rd lens
Radius R6 and the radius of curvature R 5 of the thing side of the 3rd lens meet 0 < R6/R5 < 0.5.
14. optical imaging lens according to claim 10, it is characterised in that the curvature of the thing side of the 4th lens
Radius R7 and the image side surface of the 4th lens radius of curvature R 8 meet 0 < R7/R8 < 1.5.
15. optical imaging lens according to claim 10, it is characterised in that the curvature of the thing side of the 5th lens
Radius R9 and the image side surface of the 6th lens radius of curvature R 12 meet | (R9-R12)/(R9+R12) |≤2.0.
16. the optical imaging lens according to any one of claim 9 to 15, it is characterised in that TTL/ImgH≤1.85,
Wherein, TTL be first lens thing side to the optical imaging lens imaging surface on the optical axis away from
From,
ImgH is the half of the effective pixel area diagonal line length of the photo-sensitive cell on the imaging surface of the optical imaging lens.
17. optical imaging lens, sequentially included by thing side to image side along optical axis:First lens, the second lens, the 3rd lens,
4th lens, the 5th lens, the 6th lens and at least one subsequent lens, it is characterised in that
At least one in first lens, the 4th lens and the 5th lens has positive light coke;
Second lens have positive light coke;
3rd lens have negative power;
6th lens have positive light coke or negative power,
Wherein, the 4th lens in the center thickness CT4 on the optical axis, the 5th lens in the center on the optical axis
Thickness CT5 and the 6th lens meet (CT4+CT5+CT6)/3≤0.5 in the center thickness CT6 on the optical axis.
18. optical imaging lens according to claim 17, it is characterised in that TTL/ImgH≤1.85,
Wherein, TTL be first lens thing side to the optical imaging lens imaging surface on the optical axis away from
From,
ImgH is the half of the effective pixel area diagonal line length of the photo-sensitive cell on the imaging surface of the optical imaging lens.
19. the optical imaging lens according to claim 17 or 18, it is characterised in that the effective focal length of first lens
F1 and second lens effective focal length f2 meet f2/ | f1 | < 0.5.
20. the optical imaging lens according to claim 17 or 18, it is characterised in that the optical imaging lens always have
The effective focal length f3 for imitating focal length f and the 3rd lens meets -1.0 < f/f3≤- 0.5.
21. the optical imaging lens according to claim 17 or 18, it is characterised in that the optical imaging lens always have
Effect focal length f and the 4th lens effective focal length f4 meet f/ | f4 |≤0.5.
22. the optical imaging lens according to claim 17 or 18, it is characterised in that the optical imaging lens always have
Effect focal length f, the effective focal length f5 of the 5th lens and the 6th lens effective focal length f6 satisfactions 0.4≤| f/f5 |+|
f/f6|≤1.0。
23. optical imaging lens according to claim 19, it is characterised in that the curvature of the image side surface of first lens
Radius R2 and the radius of curvature R 3 of the thing side of second lens meet 0.8≤R2/R3≤1.0.
24. optical imaging lens according to claim 19, it is characterised in that the curvature of the thing side of second lens
Radius R3 and the image side surface of second lens radius of curvature R 4 meet -0.5≤R3/R4≤0.
25. optical imaging lens according to claim 20, it is characterised in that the curvature of the image side surface of the 3rd lens
Radius R6 and the radius of curvature R 5 of the thing side of the 3rd lens meet 0 < R6/R5 < 0.5.
26. optical imaging lens according to claim 21, it is characterised in that the image side surface of the 4th lens is recessed
Face;And
The radius of curvature R 7 of the thing side of 4th lens and the radius of curvature R 8 of the image side surface of the 4th lens meet 0 <
R7/R8 < 1.5.
27. optical imaging lens according to claim 26, it is characterised in that the 4th lens are at maximum radius
Edge thickness ET4 meets 0.4 < ET4/CT4 < 1.0 with the 4th lens in the center thickness CT4 on the optical axis.
28. optical imaging lens according to claim 22, it is characterised in that the image side surface of the 6th lens is recessed
Face;And
The radius of curvature R 9 and the radius of curvature R 12 of the image side surface of the 6th lens of the thing side of 5th lens meet |
(R9-R12)/(R9+R12)|≤2.0。
29. the optical imaging lens according to claim 17 or 18, it is characterised in that at least one subsequent lens bag
Include the 7th lens with positive light coke or negative power, its effective focal length f7 and the optical imaging lens total effective focal length
F meets f/ | f7 | < 1.0.
30. optical imaging lens, sequentially included by thing side to image side along optical axis:First lens, the second lens, the 3rd lens,
4th lens, the 5th lens, the 6th lens and the 7th lens, it is characterised in that
The thing side of first lens is convex surface;
The radius of curvature R 4 of the image side surface of the radius of curvature R 3 of the thing side of second lens and second lens meets-
0.5≤R3/R4≤0;
The radius of curvature R 5 of the thing side of 3rd lens and the radius of curvature R 6 of the image side surface of the 3rd lens meet 0 <
R6/R5 < 0.5;
The image side surface of 4th lens and the 6th lens is concave surface;
At least one in the thing side and image side surface of 5th lens is convex surface;And
At least one in the thing side and image side surface of 7th lens is concave surface.
31. optical imaging lens according to claim 30, it is characterised in that the curvature of the thing side of the 4th lens
Radius R7 and the image side surface of the 4th lens radius of curvature R 8 meet 0 < R7/R8 < 1.5.
32. optical imaging lens according to claim 30, it is characterised in that the curvature of the thing side of the 5th lens
Radius R9 and the image side surface of the 6th lens radius of curvature R 12 meet | (R9-R12)/(R9+R12) |≤2.0.
33. optical imaging lens according to claim 30, it is characterised in that second lens have positive light coke;
The effective focal length f1 of first lens and second lens effective focal length f2 meet f2/ | f1 | < 0.5.
34. optical imaging lens according to claim 30, it is characterised in that the 3rd lens have negative power;
Total effective focal length f of the optical imaging lens and -1.0 < f/f3 of effective focal length f3 satisfactions of the 3rd lens≤-
0.5。
35. optical imaging lens according to claim 30, it is characterised in that first lens, the 4th lens
There is positive light coke with least one in the 5th lens.
36. optical imaging lens according to claim 35, it is characterised in that total effectively Jiao of the optical imaging lens
Effective focal length f4 away from f and the 4th lens meets f/ | f4 |≤0.5.
37. optical imaging lens according to claim 30, it is characterised in that the 6th lens and the 7th lens
In at least one there is negative power.
38. the optical imaging lens according to claim 37, it is characterised in that total effectively Jiao of the optical imaging lens
Effective focal length f6 satisfactions 0.4 away from f, the effective focal length f5 of the 5th lens and the 6th lens≤| f/f5 |+| f/f6
|≤1.0。
39. the optical imaging lens according to claim 37, it is characterised in that total effectively Jiao of the optical imaging lens
Effective focal length f7 away from f and the 7th lens meets f/ | f7 | < 1.0.
40. according to the optical imaging lens any one of claim 30,31 or 35, it is characterised in that the described 4th is saturating
Edge thickness ET4 of the mirror at maximum radius meets 0.4 < with the 4th lens in the center thickness CT4 on the optical axis
ET4/CT4 < 1.0.
41. according to the optical imaging lens any one of claim 30,35 or 37, it is characterised in that TTL/ImgH≤
1.85
Wherein, TTL be first lens thing side to the optical imaging lens imaging surface on the optical axis away from
From,
ImgH is the half of the effective pixel area diagonal line length of the photo-sensitive cell on the imaging surface of the optical imaging lens.
42. according to the optical imaging lens any one of claim 30,35 or 37, it is characterised in that (CT4+CT5+
CT6)/3≤0.5,
Wherein, CT4 is the 4th lens in the center thickness on the optical axis;
CT5 is the 5th lens in the center thickness on the optical axis;And
CT6 is the 6th lens in the center thickness on the optical axis.
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US16/226,257 US10976519B2 (en) | 2017-07-06 | 2018-12-19 | Optical imaging lens assembly |
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WO2019007045A1 (en) * | 2017-07-06 | 2019-01-10 | 浙江舜宇光学有限公司 | Optical imaging lens |
CN110471161A (en) * | 2018-05-10 | 2019-11-19 | 大立光电股份有限公司 | Photographing optical microscope group, image-taking device and electronic device |
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WO2019007045A1 (en) * | 2017-07-06 | 2019-01-10 | 浙江舜宇光学有限公司 | Optical imaging lens |
US10976519B2 (en) | 2017-07-06 | 2021-04-13 | Zhejiang Sunny Optical Co., Ltd. | Optical imaging lens assembly |
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