CN109212715A - Optical lens - Google Patents
Optical lens Download PDFInfo
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- CN109212715A CN109212715A CN201710525988.7A CN201710525988A CN109212715A CN 109212715 A CN109212715 A CN 109212715A CN 201710525988 A CN201710525988 A CN 201710525988A CN 109212715 A CN109212715 A CN 109212715A
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- Prior art keywords
- lens
- optical
- object side
- image side
- optical lens
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
This application discloses a kind of optical lens, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and at least one subsequent lens by object side to image side along optical axis.The object side of first lens and the third lens is concave surface, and image side surface is convex surface；The object side of second lens and image side surface are convex surface；At least one of the object side of 4th lens and image side surface are convex surface；And the 5th lens object side be convex surface, image side surface is concave surface.Wherein, the first lens have negative power；At least three in second lens, the third lens, the 4th lens and the 5th lens have positive light coke；And the synthesis focal power of at least one subsequent lens is negative power.
Description
Technical field
This application involves a kind of optical lens, more specifically, this application involves a kind of optical lens including seven lens.
Background technique
With the raising required imager pixel, corresponding chip size is also increased with it, whole so as to cause camera lens
The increase of body size.Meanwhile in the case where the special applications of part, such as the night use of on-vehicle lens, in order to promote camera lens
The effect of night use, it usually needs increase the clear aperture of camera lens, also result in the increase of camera lens aperture in this way.
However, application conditional for certain installation sites, needs just to can satisfy installation using small size camera lens and want
It asks.Such as need to be mounted on the on-vehicle lens of windshield, due to having risk of interferences to windshield and being installed
The limitation of position is needed using special lens design to meet small-bore, small size requirement.
Summary of the invention
This application provides be applicable to vehicle-mounted installation, can at least overcome or part overcome it is in the prior art it is above-mentioned extremely
The optical lens of a few defect.
The one aspect of the application provides such a optical lens, and the optical lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and at least one subsequent lens.First
The object side of lens and the third lens can be concave surface, and image side surface can be convex surface；The object side of second lens and image side surface are equal
It can be convex surface；At least one of the object side of 4th lens and image side surface can be convex surface；And the 5th the object sides of lens can
For convex surface, image side surface can be concave surface.Wherein, the first lens can have negative power；Second lens, the third lens, the 4th lens
There can be positive light coke at least three in the 5th lens；And the synthesis focal power of at least one subsequent lens can be negative light
Focal power.
In one embodiment, the second lens, the 4th lens and the 5th lens can have positive light coke；And third
Lens can have negative power.
In one embodiment, the second lens and the third lens the first balsaming lens of glue-bondable composition.
In one embodiment, at least one subsequent lens may include the 6th lens with negative power, object side
Face and image side surface can be concave surface.Optionally, optical lens, which may also include, is set to first lens and second lens
Between diaphragm.
In one embodiment, at least one subsequent lens can sequentially include: by the 5th lens to image side along optical axis
6th lens and the 7th lens, wherein at least one of the 6th lens and the 7th lens can have negative power.
In one embodiment, the 6th lens and the 7th lens can have negative power.
In one embodiment, the object side of the 6th lens can be concave surface, and image side surface can be convex surface；And the 7th lens
Object side and image side surface can be concave surface.
In one embodiment, the 6th lens and the 7th lens the second balsaming lens of glue-bondable composition.
In one embodiment, optical lens may also include the diaphragm being set between object side and the first lens.
In one embodiment, the center of the object side of the first lens to optical lens imaging surface on optical axis away from
Whole group focal length value f from TTL and optical lens can meet TTL/f≤3.2.
In one embodiment, the maximum light admission port of the first lens object side corresponding to optical lens maximum field of view angle
The maximum field of view angle FOV of image height h corresponding to diameter D, optical lens maximum field of view angle and optical lens can meet D/h/FOV≤
0.051。
Further aspect of the application provides such a optical lens, and the optical lens is along optical axis by object side to picture
Side sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens and at least one subsequent lens.The
One lens can have negative power, and object side can be concave surface, and image side surface can be convex surface；Second lens, the third lens, the 4th are thoroughly
At least three in mirror and the 5th lens have positive light coke；Second lens and the glue-bondable composition first of the third lens are glued thoroughly
Mirror；And the synthesis focal power of at least one subsequent lens can be negative power.
In one embodiment, the third lens can have negative power.
In one embodiment, the second lens can have positive light coke, and object side and image side surface can be convex surface；The
The object side of three lens can be concave surface, and image side surface can be convex surface.
In one embodiment, the 4th lens can have positive light coke, and object side can be convex surface.
In one embodiment, the 5th lens can have positive light coke, and object side can be convex surface, and image side surface can be recessed
Face.
In one embodiment, optical lens may also include the diaphragm being set between object side and the second lens.
In one embodiment, at least one subsequent lens may include the 6th lens with negative power.
In one embodiment, the object side of the 6th lens and image side surface can be concave surface.
In one embodiment, at least one subsequent lens along optical axis by the 5th lens to image side sequentially can include:
6th lens and the 7th lens, wherein the 6th lens and the 7th lens can have negative power.
In one embodiment, the object side of the 6th lens can be concave surface, and image side surface can be convex surface；And the 7th lens
Object side and image side surface can be concave surface.
In one embodiment, the center of the object side of the first lens to optical lens imaging surface on optical axis away from
Whole group focal length value f from TTL and optical lens can meet TTL/f≤3.2.
In one embodiment, the maximum light admission port of the first lens object side corresponding to optical lens maximum field of view angle
The maximum field of view angle FOV of image height h corresponding to diameter D, optical lens maximum field of view angle and optical lens can meet D/h/FOV≤
0.051。
The application uses such as seven lens, is realized by the reasonable Arrangement to the first lens shape to camera lens front port
The control of diameter further passes through the preposition diminution for realizing camera lens front end bore of diaphragm.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings:
Fig. 1 is the structural schematic diagram for showing the optical lens according to the embodiment of the present application 1；
Fig. 2 is the structural schematic diagram for showing the optical lens according to the embodiment of the present application 2；
Fig. 3 is the structural schematic diagram for showing the optical lens according to the embodiment of the present application 3；
Fig. 4 is the structural schematic diagram for showing the optical lens according to the embodiment of the present application 4；
Fig. 5 is the structural schematic diagram for showing the optical lens according to the embodiment of the present application 5.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens, and it is glued saturating that the first balsaming lens is also known as second
Mirror.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.Surface in each lens near object is known as object side,
Surface in each lens near imaging surface is known as image side surface.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical lens according to the application illustrative embodiments include along optical axis from object side to image side sequential,
At least six lens with focal power, i.e. the first lens, the second lens, the third lens, the 4th lens, the 5th lens and extremely
Few subsequent lens.
It can also further comprise the photosensitive member for being set to imaging surface according to the optical lens of the application illustrative embodiments
Part.Optionally, the photosensitive element for being set to imaging surface can be photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor
Element (CMOS).
First lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.First lens can use up
Big field rays are possibly collected, and collected optics is made to enter rear optical system.First lens are arranged as concave surface court
To the meniscus shape of object side, be conducive to the reduction of optical lens front end bore, be conducive to the reduction of camera lens front end size.In addition,
It is that concave surface can also moderately increase distortion by the object side arrangement of the first lens, so that camera lens is suitable for automobile data recorder etc. and needs weight
The use of point amplifying observation front small range situation picture.
Second lens can have positive light coke, and object side can be convex surface, and image side surface can be convex surface.
The third lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.
4th lens can have positive light coke, and object side can be convex surface, and image side surface can be convex surface or concave surface.4th thoroughly
The light that mirror can collect the third lens converges, and adjusts light and makes the smooth transition of light tendency to the 5th lens.
5th lens can have positive light coke, and object side can be convex surface, and image side surface can be concave surface.5th lens can be to
The light that four lens are collected further is converged, and is adjusted light, is made the smooth transition of light tendency to the 6th lens, facilitate mirror
The diminution of head rear end bore.
The synthesis focal power of at least one subsequent lens is negative power.
In some embodiments, at least one subsequent lens may include having the 6th lens of focal power (in the application
In, state for convenience, the system that six-element lens is referred to as to the camera lens being made of six-element lens).In these embodiments,
6th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface.6th lens can make front light into
One step smooth transition is conducive to the reduction of camera lens rear end bore and rear end size to rear optical system.
In other embodiments, at least one subsequent lens may include have focal power the 6th lens and the 7th thoroughly
Mirror (in this application, is stated, the system for being referred to as seven lens to the camera lens being made of seven lens) for convenience.At these
In embodiment, the 6th lens can have negative power, and object side can be concave surface, and image side surface can be convex surface.7th lens can
With negative power, object side can be concave surface, and image side surface can be concave surface.
As it is known to the person skilled in the art, balsaming lens can be used for reducing color difference to the maximum extent or eliminate color difference.?
The reflection loss that image quality can be improved using balsaming lens in optical lens, reduce light energy, promotes the clarity of lens imaging.
In addition, the use of balsaming lens can also simplify the linkage editor in camera lens manufacturing process.
In the exemplary embodiment, can by the way that the object side of the image side surface of the second lens and the third lens is glued, and
Second lens and the third lens are combined into the first balsaming lens.By introducing be made of the second lens and the third lens first
Balsaming lens can help to eliminate color difference influence, reduce the tolerance sensitivities of system；Meanwhile glued the second lens and third
Lens can be with residual fraction color difference with the whole color difference of balance optical system.In the first balsaming lens, close to the of object side
Two lens have positive light coke, and the third lens close to image side have negative power, and such setting is also beneficial to will be via the
The further smooth transition of the light of one lens is advantageously implemented camera lens to the 4th lens so as to shorten the optics total length of system
Miniaturization.
It, can also be by by the object side of the image side surface of the 6th lens and the 7th lens in addition, in the system of seven lens
Gluing, and by the 6th lens and the 7th lens combination at the second balsaming lens.Second be made of the 6th lens and the 7th lens
Balsaming lens is in addition to having itself achromatism, the tolerance sensitivities for reducing system and residual fraction color difference with balance optical system
Except the beneficial effects such as whole color difference, additionally it is possible to by the further smooth transition of front light to rear optical system, be conducive to mirror
The shortening of the optics total length of the reduction and system of head rear end bore and rear end size, to be advantageously implemented the small-sized of camera lens
Change.
In the exemplary embodiment, the diaphragm for limiting light beam can be set between such as object side and the second lens,
To further increase the image quality of camera lens.When diaphragm is set between object side and the second lens (that is, when diaphragm is preposition),
Also help the front end bore and front end size for reducing camera lens.Specifically, in the system of six-element lens, diaphragm can be set to
Between first lens and the second lens.In the system of seven lens, diaphragm can be set between object side and the first lens.
The optics total length TTL of optical lens is (that is, from the center of the object side of the first lens to the imaging surface of optical lens
Axis on distance) and the whole group focal length value f of optical lens between can meet TTL/f≤3.2, more specifically, TTL and f are further
2.52≤TTL/f≤2.65 can be met.Meet conditional TTL/f≤3.2, the small size performance of camera lens can be embodied.
The maximum clear aperture D's, optical lens of first lens object side corresponding to the maximum field of view angle of optical lens
D/h/FOV≤0.051 can be met between the maximum field of view angle FOV of image height h and optical lens corresponding to maximum field of view angle, more
Specifically, D, h and FOV can further meet 0.0373≤D/h/FOV≤0.0501.Meet conditional D/h/FOV≤0.051,
The front end that camera lens can be embodied is small-bore.
Optionally, telephoto lens can be applied to according to the optical lens of the application embodiment.
Can be used multi-disc eyeglass according to the optical lens of the above embodiment of the application, for example, described above six or
Seven.By controlling the shape of above-mentioned the first lens of optical lens (that is, the first lens are arranged as bent moon of the concave surface towards object side
Shape) can be achieved camera lens front end it is small-bore；It is preposition by diaphragm, help to further reduce camera lens front end bore and front end ruler
It is very little, so that the camera lens is more suitable for such as on-vehicle lens.Meanwhile passing through the light focus of each lens of the above-mentioned optical lens of reasonable distribution
Degree, face type, reasonable employment balsaming lens realize the promotion of the resolution energy of camera lens while shortening lens optical total length,
Make camera lens that there is preferable image quality, to reduce the risk of software erroneous judgement, so that the camera lens can conform better to vehicle
Carry the requirement of camera lens.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting camera lens can be changed, to obtain each result and advantage described in this specification.Although for example,
It is described by taking six or seven lens as an example in embodiment, but the optical lens is not limited to include six or seven lens.
If desired, the optical lens may also include the lens of other quantity.
The specific embodiment for being applicable to the optical lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 description according to the optical lens of the embodiment of the present application 1.Fig. 1 is shown according to the embodiment of the present application 1
Optical lens structural schematic diagram.
As shown in Figure 1, optical lens is along optical axis from object side to sequentially including the first lens L1, the second lens at image side
L2, the third lens L3, the 4th lens L4, the 5th lens L5, the 6th lens L6, the 7th lens L7 and imaging surface S16.
First lens L1 is the meniscus lens with negative power, and object side S2 is concave surface, and image side surface S3 is convex surface.
Second lens L2 is the biconvex lens with positive light coke, and object side S4 is convex surface, and image side surface S5 is convex surface.The
Three lens L3 are the meniscus lens with negative power, and object side S5 is concave surface, and image side surface S6 is convex surface.Wherein, second thoroughly
Mirror L2 and the third lens L3 gluing form the first balsaming lens.
4th lens L4 is the biconvex lens with positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens L5 is the meniscus lens with positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.
6th lens L6 is the meniscus lens with negative power, and object side S11 is concave surface, and image side surface S12 is convex surface.
7th lens L7 is the biconcave lens with negative power, and object side S12 is concave surface, and image side surface S13 is concave surface.Wherein,
Six lens L6 and the 7th lens L7 gluing form the second balsaming lens.
Optionally, which may also include the optical filter L8 with object side S14 and image side surface S15.Optionally, light
Learning camera lens can also further comprise the protection glass being arranged between the 7th lens L7 and image side surface S16.Light from object according to
Sequence passes through each surface S2 to S15 and is ultimately imaged on imaging surface S16.
In the optical lens of the present embodiment, diaphragm STO can be set between object side and the first lens L1, to reduce camera lens
Front end bore and promote the image quality of camera lens.
Table 1 shows radius of curvature R, thickness T, refractive index Nd and the Abbe of each lens of the optical lens of embodiment 1
Number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).
| Face number | Radius of curvature R | Thickness T | Refractive index Nd | Abbe number Vd |
| STO | Infinity | 2.0000 | ||
| S2 | -13.6873 | 3.2000 | 1.52 | 64.21 |
| S3 | -25.5414 | 0.1500 | ||
| S4 | 39.7853 | 9.6785 | 1.50 | 81.59 |
| S5 | -11.2894 | 3.0000 | 1.67 | 39.20 |
| S6 | -21.0739 | 0.1000 | ||
| S7 | 12.4769 | 13.5466 | 1.50 | 81.59 |
| S8 | -150.1047 | 0.1500 | ||
| S9 | 15.1757 | 3.0000 | 1.76 | 52.33 |
| S10 | 39.9923 | 1.4390 | ||
| S11 | -12.8241 | 1.0000 | 1.92 | 18.90 |
| S12 | -32.9642 | 1.2000 | 1.80 | 46.57 |
| S13 | 35.5636 | 1.0000 | ||
| S14 | Infinity | 0.9500 | 1.52 | 64.17 |
| S15 | Infinity | 1.8144 | ||
| S16 | Infinity |
Table 1
The following table 2 give the whole group focal length value f of the optical lens of embodiment 1, optical lens optics total length TTL (that is,
From distance on the center to the axis of imaging surface S16 of the object side S2 of the first lens L1), the maximum field of view angle FOV of optical lens,
The maximum clear aperture D and optical lens of the object side S2 of first lens L1 corresponding to optical lens maximum field of view angle is most
Image height h corresponding to big field of view angle.
| Parameter | f(mm) | TTL(mm) | FOV(°) | D(mm) | h(mm) |
| Numerical value | 16.73 | 42.23 | 34 | 12.48 | 9.77 |
Table 2
In the present embodiment, meet between the optics total length TTL of optical lens and the whole group focal length value f of optical lens
TTL/f=2.52；First lens L1 corresponding to the maximum field of view angle FOV of optical lens, optical lens maximum field of view angle
Object side S2 maximum clear aperture D and optical lens maximum field of view angle corresponding to meet D/h/FOV between image height h
=0.0376.
Embodiment 2
The optical lens according to the embodiment of the present application 2 is described referring to Fig. 2.In the present embodiment and following embodiment
In, for brevity, by clipped description similar to Example 1.Fig. 2 shows the optics according to the embodiment of the present application 2
The structural schematic diagram of camera lens.
As shown in Fig. 2, optical lens is along optical axis from object side to sequentially including the first lens L1, the second lens at image side
L2, the third lens L3, the 4th lens L4, the 5th lens L5, the 6th lens L6, the 7th lens L7 and imaging surface S16.
First lens L1 is the meniscus lens with negative power, and object side S2 is concave surface, and image side surface S3 is convex surface.
Second lens L2 is the biconvex lens with positive light coke, and object side S4 is convex surface, and image side surface S5 is convex surface.The
Three lens L3 are the meniscus lens with negative power, and object side S5 is concave surface, and image side surface S6 is convex surface.Wherein, second thoroughly
Mirror L2 and the third lens L3 gluing form the first balsaming lens.
4th lens L4 is the biconvex lens with positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens L5 is the meniscus lens with positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.
6th lens L6 is the meniscus lens with negative power, and object side S11 is concave surface, and image side surface S12 is convex surface.
7th lens L7 is the biconcave lens with negative power, and object side S12 is concave surface, and image side surface S13 is concave surface.Wherein,
Six lens L6 and the 7th lens L7 gluing form the second balsaming lens.
Optionally, which may also include the optical filter L8 with object side S14 and image side surface S15.Optionally, light
Learning camera lens can also further comprise the protection glass being arranged between the 7th lens L7 and image side surface S16.Light from object according to
Sequence passes through each surface S2 to S15 and is ultimately imaged on imaging surface S16.
In the optical lens of the present embodiment, diaphragm STO can be set between object side and the first lens L1, to reduce camera lens
Front end bore and promote the image quality of camera lens.
Table 3 shows radius of curvature R, thickness T, refractive index Nd and the Abbe of each lens of the optical lens of embodiment 2
Number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).Table 4 shows the whole group of the optical lens of embodiment 2
Focal length value f, the optics total length TTL of optical lens, the maximum field of view angle FOV of optical lens, optical lens maximum field of view angle
Corresponding to the maximum clear aperture D and optical lens maximum field of view angle of the object side S2 of the first corresponding lens L1 of degree
Image height h.
| Face number | Radius of curvature R | Thickness T | Refractive index Nd | Abbe number Vd |
| STO | Infinity | 2.0000 | ||
| S2 | -12.4840 | 3.2000 | 1.52 | 64.21 |
| S3 | -19.3411 | 0.1500 | ||
| S4 | 32.1368 | 9.1539 | 1.50 | 81.59 |
| S5 | -10.4626 | 3.0000 | 1.67 | 39.20 |
| S6 | -20.9940 | 0.1000 | ||
| S7 | 10.8512 | 11.1952 | 1.50 | 81.59 |
| S8 | -165.6327 | 0.1500 | ||
| S9 | 14.3507 | 3.0000 | 1.76 | 52.33 |
| S10 | 30.6706 | 1.4390 | ||
| S11 | -10.5306 | 1.0000 | 1.92 | 18.90 |
| S12 | -43.5248 | 1.2000 | 1.80 | 46.57 |
| S13 | 44.5713 | 1.0000 | ||
| S14 | Infinity | 0.9500 | 1.52 | 64.17 |
| S15 | Infinity | 0.4869 | ||
| S16 | Infinity |
Table 3
| Parameter | f(mm) | TTL(mm) | FOV(°) | D(mm) | h(mm) |
| Numerical value | 14.37 | 38.03 | 34 | 10.78 | 8.37 |
Table 4
Embodiment 3
The optical lens according to the embodiment of the present application 3 is described referring to Fig. 3.Fig. 3 is shown to be implemented according to the application
The structural schematic diagram of the optical lens of example 3.
As shown in figure 3, optical lens is along optical axis from object side to sequentially including the first lens L1, the second lens at image side
L2, the third lens L3, the 4th lens L4, the 5th lens L5, the 6th lens L6, the 7th lens L7 and imaging surface S16.
First lens L1 is the meniscus lens with negative power, and object side S2 is concave surface, and image side surface S3 is convex surface.
Second lens L2 is the biconvex lens with positive light coke, and object side S4 is convex surface, and image side surface S5 is convex surface.The
Three lens L3 are the meniscus lens with negative power, and object side S5 is concave surface, and image side surface S6 is convex surface.Wherein, second thoroughly
Mirror L2 and the third lens L3 gluing form the first balsaming lens.
4th lens L4 is the biconvex lens with positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens L5 is the meniscus lens with positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.
6th lens L6 is the meniscus lens with negative power, and object side S11 is concave surface, and image side surface S12 is convex surface.
7th lens L7 is the biconcave lens with negative power, and object side S12 is concave surface, and image side surface S13 is concave surface.Wherein,
Six lens L6 and the 7th lens L7 gluing form the second balsaming lens.
Optionally, which may also include the optical filter L8 with object side S14 and image side surface S15.Optionally, light
Learning camera lens can also further comprise the protection glass being arranged between the 7th lens L7 and image side surface S16.Light from object according to
Sequence passes through each surface S2 to S15 and is ultimately imaged on imaging surface S16.
In the optical lens of the present embodiment, diaphragm STO can be set between object side and the first lens L1, to reduce camera lens
Front end bore and promote the image quality of camera lens.
Table 5 shows radius of curvature R, thickness T, refractive index Nd and the Abbe of each lens of the optical lens of embodiment 3
Number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).Table 6 shows the whole group of the optical lens of embodiment 3
Focal length value f, the optics total length TTL of optical lens, the maximum field of view angle FOV of optical lens, optical lens maximum field of view angle
Corresponding to the maximum clear aperture D and optical lens maximum field of view angle of the object side S2 of the first corresponding lens L1 of degree
Image height h.
Table 5
| Parameter | f(mm) | TTL(mm) | FOV(°) | D(mm) | h(mm) |
| Numerical value | 15.68 | 41.44 | 34 | 11.75 | 9.14 |
Table 6
Embodiment 4
The optical lens according to the embodiment of the present application 4 is described referring to Fig. 4.Fig. 4 is shown to be implemented according to the application
The structural schematic diagram of the optical lens of example 4.
As shown in figure 4, optical lens is along optical axis from object side to sequentially including the first lens L1, the second lens at image side
L2, the third lens L3, the 4th lens L4, the 5th lens L5, the 6th lens L6, the 7th lens L7 and imaging surface S16.
First lens L1 is the meniscus lens with negative power, and object side S2 is concave surface, and image side surface S3 is convex surface.
Second lens L2 is the biconvex lens with positive light coke, and object side S4 is convex surface, and image side surface S5 is convex surface.The
Three lens L3 are the meniscus lens with negative power, and object side S5 is concave surface, and image side surface S6 is convex surface.Wherein, second thoroughly
Mirror L2 and the third lens L3 gluing form the first balsaming lens.
4th lens L4 is the biconvex lens with positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.
5th lens L5 is the meniscus lens with positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.
6th lens L6 is the meniscus lens with negative power, and object side S11 is concave surface, and image side surface S12 is convex surface.
7th lens L7 is the biconcave lens with negative power, and object side S12 is concave surface, and image side surface S13 is concave surface.Wherein,
Six lens L6 and the 7th lens L7 gluing form the second balsaming lens.
Optionally, which may also include the optical filter L8 with object side S14 and image side surface S15.Optionally, light
Learning camera lens can also further comprise the protection glass being arranged between the 7th lens L7 and image side surface S16.Light from object according to
Sequence passes through each surface S2 to S15 and is ultimately imaged on imaging surface S16.
In the optical lens of the present embodiment, diaphragm STO can be set between object side and the first lens L1, to reduce camera lens
Front end bore and promote the image quality of camera lens.
Table 7 shows radius of curvature R, thickness T, refractive index Nd and the Abbe of each lens of the optical lens of embodiment 4
Number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).Table 8 shows the whole group of the optical lens of embodiment 4
Focal length value f, the optics total length TTL of optical lens, the maximum field of view angle FOV of optical lens, optical lens maximum field of view angle
Corresponding to the maximum clear aperture D and optical lens maximum field of view angle of the object side S2 of the first corresponding lens L1 of degree
Image height h.
| Face number | Radius of curvature R | Thickness T | Refractive index Nd | Abbe number Vd |
| STO | Infinity | 2.0000 | ||
| S2 | -17.9419 | 3.8000 | 1.52 | 64.21 |
| S3 | -24.3370 | 0.1500 | ||
| S4 | 35.1467 | 12.0000 | 1.50 | 81.59 |
| S5 | -13.7595 | 3.0000 | 1.67 | 39.20 |
| S6 | -29.4768 | 0.0050 | ||
| S7 | 14.5522 | 17.0795 | 1.50 | 81.59 |
| S8 | -60.4990 | 0.1500 | ||
| S9 | 17.8183 | 2.8974 | 1.76 | 52.33 |
| S10 | 29.7502 | 1.5754 | ||
| S11 | -13.0210 | 1.0000 | 1.92 | 18.90 |
| S12 | -105.9667 | 1.2000 | 1.80 | 46.57 |
| S13 | 47.5367 | 0.5556 | ||
| S14 | Infinity | 0.9500 | 1.52 | 64.17 |
| S15 | Infinity | 0.4869 | ||
| S16 | Infinity |
Table 7
| Parameter | f(mm) | TTL(mm) | FOV(°) | D(mm) | h(mm) |
| Numerical value | 18.50 | 46.85 | 34 | 13.81 | 10.88 |
Table 8
Embodiment 5
The optical lens according to the embodiment of the present application 5 is described referring to Fig. 5.Fig. 5 is shown to be implemented according to the application
The structural schematic diagram of the optical lens of example 5.
As shown in figure 5, optical lens is along optical axis from object side to sequentially including the first lens L1, the second lens at image side
L2, the third lens L3, the 4th lens L4, the 5th lens L5, the 6th lens L6 and imaging surface S15.
First lens L1 is the meniscus lens with negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.
Second lens L2 is the biconvex lens with positive light coke, and object side S4 is convex surface, and image side surface S5 is convex surface.The
Three lens L3 are the meniscus lens with negative power, and object side S5 is concave surface, and image side surface S6 is convex surface.Wherein, second thoroughly
Mirror L2 and the third lens L3 gluing form the first balsaming lens.
4th lens L4 is the meniscus lens with positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.
5th lens L5 is the meniscus lens with positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface,
And the object side S9 and image side surface S10 of the 5th lens L5 are aspherical.
6th lens L6 is the biconcave lens with negative power, and object side S11 is concave surface, and image side surface S12 is concave surface.
Optionally, which may also include the optical filter L7 with object side S13 and image side surface S14.Optionally, light
Learning camera lens can also further comprise the protection glass being arranged between the 6th lens L6 and image side surface S15.Light from object according to
Sequence passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
In the optical lens of the present embodiment, diaphragm STO can be set between the first lens L1 and the second lens L2, with contracting
The front end bore of tiny lens and the image quality for promoting camera lens.
Table 9 shows radius of curvature R, thickness T, refractive index Nd and the Abbe of each lens of the optical lens of embodiment 5
Number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).
Table 9
Aspherical face type Z is limited by following formula:
Wherein, Z be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 9 mean curvature radius R of table)；K is circular cone coefficient
conic；A, B, C, D, E are high-order coefficient.Table 10 give suitable for embodiment 5 each aspherical lens surface S9 and
The circular cone coefficient k and high-order coefficient A, B, C, D, E of S10.
| Face number | k | A | B | C | D | E |
| S9 | 0.0504 | -9.3544E-06 | -4.5397E-07 | -1.7149E-08 | 2.8847E-10 | -3.5677E-12 |
| S10 | -30.1907 | -3.7751E-05 | 4.4360E-05 | -4.3285E-06 | 1.8947E-07 | -2.9799E-09 |
Table 10
Table 11 shows optics total length TTL, the optics of the whole group focal length value f of the optical lens of embodiment 5, optical lens
The maximum of the object side S1 of first lens L1 corresponding to the maximum field of view angle FOV of camera lens, optical lens maximum field of view angle
Image height h corresponding to clear aperture D and optical lens maximum field of view angle.
| Parameter | f(mm) | TTL(mm) | FOV(°) | D(mm) | h(mm) |
| Numerical value | 16.60 | 42.71 | 31.4 | 14.26 | 9.06 |
Table 11
To sum up, embodiment 1 to embodiment 5 meets relationship shown in following table 12 respectively.
| Conditional embodiment | 1 | 2 | 3 | 4 | 5 |
| TTL/f | 2.52 | 2.65 | 2.64 | 2.53 | 2.57 |
| D/h/FOV | 0.0376 | 0.0379 | 0.0378 | 0.0373 | 0.0501 |
Table 12
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (13)
1. optical lens, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th thoroughly
Mirror, the 5th lens and at least one subsequent lens, which is characterized in that
The object side of first lens and the third lens is concave surface, and image side surface is convex surface；
The object side of second lens and image side surface are convex surface；
At least one of the object side of 4th lens and image side surface are convex surface；And
The object side of 5th lens is convex surface, and image side surface is concave surface,
Wherein, first lens have negative power；Second lens, the third lens, the 4th lens and institute
At least three stated in the 5th lens have positive light coke；And the synthesis focal power of at least one subsequent lens is negative light
Focal power.
2. optical lens according to claim 1, which is characterized in that second lens, the 4th lens and described
5th lens all have positive light coke；And
The third lens have negative power.
3. optical lens according to claim 1 or 2, which is characterized in that second lens and the third lens glue
It is combined into the first balsaming lens.
4. optical lens according to claim 3, which is characterized in that at least one described subsequent lens include having negative light
6th lens of focal power, object side and image side surface are concave surface.
5. optical lens according to claim 4, which is characterized in that the optical lens further includes being set to described first
Diaphragm between lens and second lens.
6. optical lens according to claim 3, which is characterized in that at least one described subsequent lens are along optical axis by institute
Stating the 5th lens to the image side sequentially includes: the 6th lens and the 7th lens, wherein the 6th lens and the described 7th are thoroughly
At least one of mirror has negative power.
7. optical lens according to claim 6, which is characterized in that the 6th lens and the 7th lens all have
Negative power.
8. optical lens according to claim 6 or 7, which is characterized in that the object side of the 6th lens is concave surface, as
Side is convex surface；And
The object side of 7th lens and image side surface are concave surface.
9. optical lens according to claim 8, which is characterized in that the 6th lens and the 7th lens gluing unit
At the second balsaming lens.
10. optical lens according to claim 9, which is characterized in that the optical lens further includes being set to the object
Diaphragm between side and first lens.
11. optical lens according to any one of claim 1 to 10, which is characterized in that TTL/f≤3.2,
Wherein, f is the whole group focal length value of the optical lens；And
TTL be imaging surface from the center of the object side of first lens to the optical lens on the optical axis away from
From.
12. optical lens according to any one of claim 1 to 10, which is characterized in that D/h/FOV≤0.051,
Wherein, FOV is the maximum field of view angle of the optical lens；
D is the maximum clear aperture of the first lens object side corresponding to optical lens maximum field of view angle；And
H is image height corresponding to optical lens maximum field of view angle.
13. optical lens, the optical lens sequentially includes: the first lens, the second lens, by object side to image side along optical axis
Three lens, the 4th lens, the 5th lens and at least one subsequent lens, which is characterized in that
First lens have negative power, and object side is concave surface, and image side surface is convex surface；
At least three in second lens, the third lens, the 4th lens and the 5th lens have positive light
Focal power；
Second lens and the third lens gluing form the first balsaming lens；And
The synthesis focal power of at least one subsequent lens is negative power.
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| CN114859528A (en) * | 2022-07-05 | 2022-08-05 | 江西联创电子有限公司 | Optical imaging lens |
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