CN109557644A - Optical lens and imaging device - Google Patents
Optical lens and imaging device Download PDFInfo
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- CN109557644A CN109557644A CN201910068112.3A CN201910068112A CN109557644A CN 109557644 A CN109557644 A CN 109557644A CN 201910068112 A CN201910068112 A CN 201910068112A CN 109557644 A CN109557644 A CN 109557644A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 206
- 238000003384 imaging method Methods 0.000 title claims abstract description 30
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Classifications
-
- 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
- G02B13/18—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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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
Disclose a kind of optical lens and the imaging device including the optical lens.The optical lens along optical axis by object side to image side sequentially can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.First lens have negative power, and object side is convex surface, and image side surface is concave surface；Second lens have negative power, and object side and image side surface are concave surface；The third lens have positive light coke, and object side and image side surface are convex surface；4th lens have positive light coke, and object side and image side surface are convex surface；5th lens have negative power, and object side and image side surface are concave surface；6th lens have positive light coke, and object side and image side surface are convex surface；And the 7th lens have positive light coke, object side be convex surface, image side surface is concave surface.The optical lens can realize high-resolution, large aperture, miniaturization, front end it is small-bore, it is long after at least one of beneficial effects such as coke, low cost.
Description
Technical field
This application involves optical lens and including the imaging device of the optical lens, more specifically, this application involves one kind
Optical lens and imaging device including seven lens.
Background technique
Automatic Pilot is to realize one of the key technology of " intelligent transportation " and necessarily becoming for future transportation field development
Gesture.
Currently as one of the important component of automotive vision sensor, performance directly influences automatically optical lens
Safety in driving procedure.Firstly, applying the optical lens in automatic Pilot to need very high pixel request, to improve solution
As ability, greater number of lens structure can be generally selected, but this can seriously affect the miniaturization of camera lens.Meanwhile this kind of optics
Camera lens needs bigger aperture, to realize the clear identification under low light environment, adapts to different driving environments.
Therefore, existing market just needing a high-resolution take into account miniaturization, low cost the features such as and can be in dim light ring
The optical lens used under border, to meet the requirement of such as automatic Pilot application.
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
Sequentially can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens can have negative power, and object side is convex surface, and image side surface is concave surface；Second lens can have negative power,
Its object side and image side surface are concave surface；The third lens can have positive light coke, and object side and image side surface are convex surface；4th
Lens can have positive light coke, and object side and image side surface are convex surface；5th lens can have a negative power, object side and
Image side surface is concave surface；6th lens can have positive light coke, and object side and image side surface are convex surface；And the 7th lens can
With positive light coke, object side is convex surface, and image side surface is concave surface.
Wherein, the second lens and the third lens glued mutually can form the first balsaming lens.
Wherein, the 4th lens, the 5th lens and the 6th lens the second balsaming lens of glue-bondable formation.
Wherein, the first lens, the 6th lens and the 7th lens can be aspherical lens, and the first lens, the 6th lens
It can be aspherical at least one of the respective object side of the 7th lens and image side surface.
Wherein, the third lens can be Glass aspheric eyeglass, and at least one in the object side and image side surface of the third lens
A is aspherical.
Wherein, can meet between the optics total length TTL of optical lens and the whole group focal length value F of optical lens: TTL/F≤
5。
Wherein, the object of the maximum field of view angle FOV of optical lens, the first lens corresponding to the maximum field of view angle of optical lens
It can meet between image height H corresponding to the maximum clear aperture D of side and the maximum field of view angle of optical lens: D/H/FOV≤
0.025。
Wherein, can meet between the optic back focal BFL of optical lens and the lens group length TL of optical lens: BFL/TL >=
0.25。
Wherein, can meet between the focal length value F2 of the second lens and the focal length value F3 of the third lens: 0.5≤| F2/F3 |≤
1.5。
Wherein, which can meet conditional: 0.2≤(SAG12/d12)/(SAG11/d11)≤1.0, wherein
D11 is half bore of the maximum clear aperture of the object side of the 7th lens corresponding to the maximum field of view angle of optical lens, SAG11
The rise SG value of the object side of 7th lens corresponding to maximum field of view angle for optical lens, d12 are the maximum of optical lens
Half bore of the maximum clear aperture of the image side surface of the 7th lens and SAG12 corresponding to field angle be optical lens most
The rise SG value of the image side surface of 7th lens corresponding to big field angle.
Wherein, the optics total length of the airspace T5 and optical lens between the first balsaming lens and the second balsaming lens
It can meet between TTL: T5/TTL≤0.02.
The another aspect of the application provides such a optical lens, and the optical lens is along optical axis by object side to image side
Sequentially can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.Its
In, the first lens, the second lens and the 5th lens can have negative power；The third lens, the 4th lens, the 6th lens and
Seven lens can have positive light coke；Second lens and the third lens glued mutually can form the first balsaming lens；4th lens,
5th lens and the 6th lens the second balsaming lens of glue-bondable formation；And the optics total length TTL and optical frames of optical lens
It can meet between the whole group focal length value F of head: TTL/F≤5.
Wherein, the object side of the first lens can be convex surface, and image side surface can be concave surface.
Wherein, the object side of the second lens and image side surface can be concave surface.
Wherein, the object side of the third lens and image side surface can be convex surface.
Wherein, the object side of the 4th lens and image side surface can be convex surface.
Wherein, the object side of the 5th lens and image side surface can be concave surface.
Wherein, the object side of the 6th lens and image side surface can be convex surface.
Wherein, the object side of the 7th lens can be convex surface, and image side surface can be concave surface.
Wherein, the first lens, the 6th lens and the 7th lens can be aspherical lens, and the first lens, the 6th lens
It can be aspherical at least one of the respective object side of the 7th lens and image side surface.
Wherein, the third lens can be Glass aspheric eyeglass, and at least one in the object side and image side surface of the third lens
A is aspherical.
Wherein, the object of the maximum field of view angle FOV of optical lens, the first lens corresponding to the maximum field of view angle of optical lens
It can meet between image height H corresponding to the maximum clear aperture D of side and the maximum field of view angle of optical lens: D/H/FOV≤
0.025。
Wherein, can meet between the optic back focal BFL of optical lens and the lens group length TL of optical lens: BFL/TL >=
0.25。
Wherein, can meet between the focal length value F2 of the second lens and the focal length value F3 of the third lens: 0.5≤| F2/F3 |≤
1.5。
Wherein, which can meet conditional: 0.2≤(SAG12/d12)/(SAG11/d11)≤1.0, wherein
D11 is half bore of the maximum clear aperture of the object side of the 7th lens corresponding to the maximum field of view angle of optical lens, SAG11
The rise SG value of the object side of 7th lens corresponding to maximum field of view angle for optical lens, d12 are the maximum of optical lens
Half bore of the maximum clear aperture of the image side surface of the 7th lens and SAG12 corresponding to field angle be optical lens most
The rise SG value of the image side surface of 7th lens corresponding to big field angle.
Wherein, the optics total length of the airspace T5 and optical lens between the first balsaming lens and the second balsaming lens
It can meet between TTL: T5/TTL≤0.02.
The another aspect of the application provides a kind of imaging device, which may include according to above embodiment
Optical lens and optical imagery for forming optical lens are converted to the image-forming component of electric signal.
The application uses such as seven lens, by the shape of optimal setting eyeglass, the light focus of each eyeglass of reasonable distribution
Degree and form balsaming lens etc., realize the high-resolution of optical lens, large aperture, miniaturization, front end it is small-bore, it is long after it is burnt, low
At least one of beneficial effects such as cost.
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；And
Fig. 4 diagrammatically illustrate the maximum clear aperture of object/image side surface of eyeglass half bore d/d ' and its corresponding to
Rise Sg value SAG/SAG '.
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 includes such as seven lens with focal power, i.e., and first
Lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens are along light
Axis sequential from object side to image side.
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 convex surface, and image side surface can be concave surface.First lens are set as
The meniscus shape of convex surface towards object side must can collect big field rays as far as possible, and light is made to enter rear optical system, increase
Add light passing amount, while whole big field range can be advantageously implemented.In practical applications, it is contemplated that outside vehicular applications eka-ytterbium head-room
Environment is installed and used, the first lens can be arranged as falcate of the convex surface towards object side in the bad weathers such as sleet by camera lens
Shape can be conducive to the landing of water droplet etc., reduce the influence to lens imaging quality.
Second lens can have negative power, and object side and image side surface can be concave surface.
The third lens can have positive light coke, and object side and image side surface can be convex surface.
4th lens can have positive light coke, and object side and image side surface can be convex surface.4th lens are set as having
Positive light coke, and can further be rectified after such as aperture diaphragm of setting using the 4th lens with positive light coke
The aberration that front lens set generates, while converge light beam again, the aperture of camera lens can be increased, and it is total to shorten camera lens
It is long, keep optical system more compact.
5th lens can have negative power, and object side and image side surface can be concave surface.
6th lens can have positive light coke, and object side and image side surface can be convex surface.
7th lens can have positive light coke, and object side can be convex surface, and image side surface can be concave surface.7th lens can will be through
The light for crossing front optical system gently transits to imaging surface, to reduce system overall length.
In the exemplary embodiment, the light for limiting light beam can be set between such as the third lens and the 4th lens
Door screen, to further increase the image quality of camera lens.When diaphragm to be set between the third lens and the 4th lens, can be conducive to
To effectively collecting for the light for entering optical system, reduce optical system eyeglass bore.However, it should be noted that light disclosed herein
The position of door screen is only exemplary rather than limitation；In alternative embodiments, diaphragm can also be arranged at other according to actual needs
Position.
In the exemplary embodiment, as needed, it may also include according to the optical lens of the application and be arranged the 7th thoroughly
Optical filter between mirror and imaging surface, to be filtered to the light with different wave length；And it may also include setting and filtering
Protection glass between piece and imaging surface, to prevent the internal element (for example, chip) of optical lens to be damaged.
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, to promote the clear of lens imaging
Clear degree.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.First balsaming lens is cemented doublet, by one piece of negative lens
(that is, second lens) are formed with one piece of positive lens (that is, the third lens), wherein positive lens has high index, negative lens tool
Have compared with low-refraction (for positive lens), the collocation of high low-refraction, the fast transition of front light can be conducive to, increases
Big diaphragm bore, to meet night vision demand.The use of the balsaming lens can effectively reduce system color difference, and make optical system whole
Body is compact-sized, meets small form factor requirements.Meanwhile lens unit can also be reduced because of inclination/core shift for generating during group is vertical
Equal tolerance sensitivities problem.
In the exemplary embodiment, can by the way that the object side of the image side surface of the 4th lens and the 5th lens is glued, with
And by the object side of the image side surface of the 5th lens and the 6th lens gluing, and by the 4th lens, the 5th lens and the 6th lens group
Synthesize the second balsaming lens.Second balsaming lens is three balsaming lens, can be had the advantages that using three balsaming lens
At least one of: 1. reduce the airspace between three eyeglasses, reduces the overall length of entire optical system；2. reducing by three eyeglasses
Between group found component, reduce process, ease of assembly reduces cost；3. reducing lens unit because generating during group is stood
The tolerance sensitivities problem such as inclination/core shift；4. because of light loss caused by reflecting between reducing eyeglass, lifting system is contrasted
Degree；5. the curvature of field can be further decreased, the off-axis point aberration of rectifiable system.
The use of first balsaming lens and the second balsaming lens has been shared the whole chromatic aberration correction of system, can effectively have been corrected
Aberration to mention high-resolution, and makes optical system overall compact, meets small form factor requirements.
In the exemplary embodiment, between the optics total length TTL of optical lens and the whole group focal length value F of optical lens
It can meet: TTL/F≤5, it is more desirable that can further satisfaction TTL/F≤4.5.Meet conditional TTL/F≤5, it is ensured that system
Small size performance.
In the exemplary embodiment, the maximum field of view angle FOV of optical lens, corresponding to the maximum field of view angle of optical lens
The maximum clear aperture D of the first lens object side and the maximum field of view angle of optical lens corresponding to can expire between image height H
Foot: D/H/FOV≤0.025, it is more desirable that can further satisfaction D/H/FOV≤0.02.Meet conditional D/H/FOV≤
0.025, it is ensured that front end is small-bore.
In the exemplary embodiment, between the optic back focal BFL of optical lens and the lens group length TL of optical lens
It can meet: BFL/TL >=0.25, it is more desirable that can further satisfaction BFL/TL >=0.3.By meet conditional BFL/TL >=
0.25, it can be achieved that back focal length characteristic, be conducive to the assembling of optical lens.
In the exemplary embodiment, can meet between the focal length value F2 of the second lens and the focal length value F3 of the third lens:
0.5≤| F2/F3 |≤1.5, it is more desirable that can further satisfaction 0.8≤| F2/F3 |≤1.2.By making adjacent two eyeglass
Focal length numerical value is close, can help to the gentle excessive of light, is conducive to promote image quality.
In the exemplary embodiment, the maximum of the 7th lens object side corresponding to the maximum field of view angle of optical lens is logical
The 7th corresponding to the maximum field of view angle of half bore d11 of optical port diameter and its corresponding rise SG value SAG11 and optical lens
It can meet between half bore d12 of the maximum clear aperture of lens image side surface and its corresponding rise SG value SAG12: 0.2≤
(SAG12/d12)/(SAG11/d11)≤1.0, it is more desirable that can further satisfaction 0.4≤(SAG12/d12)/(SAG11/
d11)≤0.8.By setting so that the shape on the 7th two surfaces of lens is close, gentle transition marginal ray can be conducive to, had
Conducive to reduction eyeglass susceptibility.
In the exemplary embodiment, the airspace T5 and optical frames between the first balsaming lens and the second balsaming lens
It can meet between the optics total length TTL of head: T5/TTL≤0.02, it is more desirable that can further satisfaction T5/TTL≤0.015.
By making the centre distance between two groups of adjacent balsaming lens smaller, the light near gentle transition diaphragm can be conducive to, had
Conducive to promotion image quality.
In the exemplary embodiment, according to the first lens of the optical lens of the application, the 6th lens and the 7th lens
Aspherical lens can be used, specifically, at least one of their own object side and image side surface can be aspherical.In addition
, aspherical lens can also be used in the third lens, and specifically, at least one of object side and image side surface can be aspherical.
The characteristics of aspherical lens, is: being consecutive variations from center of lens to periphery curvature.It is constant with having from center of lens to periphery
The spheric glass of curvature is different, and aspherical lens have more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture
The advantages of dissipating aberration.After aspherical lens, the aberration occurred when imaging can be eliminated as much as possible, to be promoted
The image quality of camera lens.For example, aspherical lens can be used to further increase solution image quality amount in the first lens.7th lens use
Aspherical lens can be such that the various aberrations of optical system are sufficiently corrected, and under the premise of compact-sized, optical system can be improved
The resolution ratio of system.It should be understood that aspherical lens can be increased according to the optical lens of the application in order to improve image quality
Quantity, for example, aspherical mirror can be used in the first lens to the 7th lens in the solution image quality amount for paying close attention to the optical lens
Piece.
In the exemplary embodiment, glass lens can be used in the third lens.The eyeglass of usual plastic material thermally expands system
Number is larger, and when the variation of ambient temperature used in the camera lens is larger, the lens of plastic material can cause the optic back focal of camera lens to become
Change amount is larger.Using the eyeglass of glass material, temperature can be reduced to influence burnt after lens optical, but higher cost.Glass
The temperature stability of optical lens can be improved in the utilization of lens, the application especially suitable for front view lens.It is desirable that third is saturating
Glass aspheric eyeglass can be used in mirror, to further increase resolving power.It should be understood that in order to improve the stability of camera lens,
The quantity of glass lens can be increased according to the optical lens of the application, for example, in the stability for paying close attention to the optical lens,
Glass lens can be used in first lens to the 7th lens.
Pass through optimal setting lens shape, reasonable distribution light focus according to the optical lens of the above embodiment of the application
Degree, Rational choice lens materials can be realized as high-resolution using 7 frameworks, while can take into account that camera lens is small in size, susceptibility
Low cost low, that production yield is high requires.The key light linea angulata angle CRA of the optical lens is smaller, when avoiding the outgoing of light rear end
It gets to and generates veiling glare on lens barrel, and can be very good for example vehicle-mounted chip of matching, colour cast and dark angle phenomenon will not be generated.The optics
Camera lens possesses large aperture, and imaging effect is good, and image quality can reach high definition rank, even if also can guarantee at night or low light environment
Image it is clear.Therefore, such as vehicular applications can be conformed better to according to the optical lens of the application above embodiment
It is required that.
It will be appreciated by those skilled in the art that the optics total length TTL of optical lens used above refers to from first
Distance on the center of lens object side to the axis at imaging surface center；The optic back focal BFL of optical lens refers to from the last one thoroughly
Distance on the center to the axis at imaging surface center of the 7th lens image side surface of mirror；And the lens group length TL of optical lens refer to from
Distance on the center of first lens object side to the axis at the last one the 7th lens image side surface center of 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 seven lens as an example in embodiment, but the optical lens is not limited to include 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 and the 7th lens L7.
First lens L1 is the meniscus lens with negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.
Second lens L2 is the biconcave lens with negative power, and object side S3 and image side surface S4 are concave surface.Third
Lens L3 is the biconvex lens with positive light coke, and object side S4 and image side surface S5 are convex surface.Wherein, the second lens L2 with
The third lens L3 is glued mutually to form the first balsaming lens.
4th lens L4 is the biconvex lens with positive light coke, and object side S7 and image side surface S8 are convex surface.5th
Lens L5 is the biconcave lens with negative power, and object side S8 and image side surface S9 are concave surface.6th lens L6 be with
The biconvex lens of positive light coke, object side S9 and image side surface S10 are convex surface.Wherein, the 4th lens L4, the 5th lens L5 and
6th lens L6 gluing forms the second balsaming lens.
7th lens L7 is the meniscus lens with positive light coke, and object side S11 is convex surface, and image side surface S12 is concave surface.
Wherein, the first lens L1, the third lens L3, the 6th lens L6 and the 7th lens L7 are aspherical lens, wherein
First lens L1 and the respective object side the 7th lens L7 and image side surface (S1-S2, S11-S12) are aspherical, the third lens
L3 and the 6th respective image side surface of lens L6 (S5 and S10) are aspherical.
Optionally, which may also include optical filter L8 and/or protection with object side S13 and image side surface S14
Lens L8 '.Optical filter L8 can be used for correcting color error ratio.Protection lens L8 ' can be used for that the image positioned at imaging surface IMA is protected to pass
Sense chip.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface IMA.
It, can be between the third lens L3 and the 4th lens L4 (that is, the first balsaming lens in the optical lens of the present embodiment
Between the second balsaming lens) diaphragm STO is set to improve image quality.
Table 1 shows the radius of curvature R of each lens of the optical lens of embodiment 1, thickness T (it should be understood that T1Thoroughly for first
The center thickness of mirror L1, T2For the airspace between the first lens L1 and the second lens L2, and so on), refractive index Nd with
And Abbe number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).
Table 1
| Face number | Radius of curvature R | Thickness T | Refractive index Nd | Abbe number Vd |
| 1 | 6.3192 | 0.9928 | 1.59 | 61.25 |
| 2 | 3.6856 | 6.0160 | ||
| 3 | -5.9539 | 2.6484 | 1.52 | 64.21 |
| 4 | 6.7721 | 2.9673 | 1.74 | 49.34 |
| 5 | -9.4301 | 0.1819 | ||
| STO | It is infinite | 0.1901 | ||
| 7 | 10.3480 | 3.9244 | 1.69 | 54.86 |
| 8 | -12.6076 | 0.7043 | 1.85 | 23.79 |
| 9 | 12.5780 | 1.8021 | 1.59 | 61.25 |
| 10 | 75.3456 | 1.0637 | ||
| 11 | 10.6292 | 1.9957 | 1.59 | 68.53 |
| 12 | 44.0476 | 1.0006 | ||
| 13 | It is infinite | 1.0500 | 1.52 | 64.21 |
| 14 | It is infinite | 5.2823 | ||
| IMA | It is infinite |
The present embodiment uses seven lens as an example, by each power of lens of reasonable distribution and face type, respectively
Airspace between the center thickness of lens and each lens can make camera lens have high-resolution, large aperture, miniaturization, front end small
The beneficial effects such as coke, low cost after bore, length.Each 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 is (that is, paraxial curvature c is upper
The inverse of 1 mean curvature radius R of table)；K is circular cone coefficient conic；A, B, C, D, E are high-order coefficient.The following table 2
Show the circular cone coefficient k and high order of aspherical lens surface S1-S2, S5, S10, S11-S12 for can be used in embodiment 1
Term coefficient A, B, C, D and E.
Table 2
| Face number | K | A | B | C | D | E |
| 1 | -0.2295 | -2.9676E-03 | 8.2263E-05 | -1.8385E-06 | 2.3957E-08 | -1.8821E-10 |
| 2 | -2.3436 | 4.6394E-04 | -8.6542E-06 | 1.3279E-06 | -6.3641E-09 | -8.8033E-10 |
| 5 | -1.7438 | 1.8359E-04 | 2.6530E-06 | -7.7406E-08 | 1.1640E-08 | -3.0345E-01 |
| 10 | -102.0968 | -3.3515E-03 | 1.9203E-04 | -5.1850E-06 | 1.3642E-07 | -1.4706E-09 |
| 11 | -3.1395 | -3.1246E-03 | 6.8070E-05 | 9.7630E-06 | -4.5331E-07 | 7.1341E-09 |
| 12 | 99.2346 | -4.5219E-04 | -4.6080E-05 | 1.1035E-05 | -4.9353E-07 | 1.0370E-08 |
The following table 3 gives the optics total length TTL of the optical lens of embodiment 1 (that is, from the object side S1 of the first lens L1
Center to the axis of imaging surface IMA on distance), the whole group focal length value F of optical lens, optical lens optic back focal BFL (that is,
Distance on the center to the axis of imaging surface IMA of the image side surface S12 of the 7th lens L7 of the last one lens), the lens of optical lens
Length TL is (that is, from the object side center S1 of the first lens L1 to the center image side surface S12 of the 7th lens L7 of the last one lens for group
Axis on distance), the focal length value F2 and F3 of the second lens L2 and the third lens L3, optical lens maximum field of view angle corresponding to
Image height H, optical frames corresponding to the maximum clear aperture D of the object side S1 of first lens L1, the maximum field of view angle of optical lens
The maximum light passing of the object side S11 of 7th lens L7 corresponding to the maximum field of view angle FOV of head, the maximum field of view angle of optical lens
The maximum view of half bore d11 of bore and its corresponding rise SG value SAG11 (shown in Figure 4) and optical lens
The half bore d12 and its corresponding rise SG of the maximum clear aperture of the image side surface S12 of 7th lens L7 corresponding to rink corner
Value SAG12 (shown in Figure 4) and two groups of adjacent balsaming lens (that is, the first balsaming lens and second balsaming lens) it
Between airspace T5.
Table 3
| TTL(mm) | 29.8195 | FOV(°) | 77.0000 |
| F(mm) | 7.1882 | SAG11(mm) | 0.5300 |
| BFL(mm) | 7.3329 | SAG12(mm) | 0.3400 |
| TL(mm) | 22.4866 | d11(mm) | 4.2200 |
| F2(mm) | -5.7027 | d12(mm) | 4.0100 |
| F3(mm) | 5.7255 | T5(mm) | 0.3720 |
| D(mm) | 12.3423 | ||
| H(mm) | 9.6640 |
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=4.1484；Meet BFL/TL=between the optic back focal BFL of optical lens and the lens group length TL of optical lens
0.3261；The object side of first lens L1 corresponding to the maximum field of view angle FOV of optical lens, the maximum field of view angle of optical lens
Meet D/H/FOV=between image height H corresponding to the maximum clear aperture D of S1 and the maximum field of view angle of optical lens
0.0166；Meet between the focal length value F3 of the focal length value F2 and the third lens L3 of second lens L2 | F2/F3 |=0.9960；Optics
Half bore d11 of the maximum clear aperture of the object side S11 of the 7th lens L7 corresponding to the maximum field of view angle of camera lens and its institute
The maximum of the image side surface S12 of 7th lens L7 corresponding to the maximum field of view angle of corresponding rise SG value SAG11 and optical lens
Between half bore d12 of clear aperture and its corresponding rise SG value SAG12 meet (SAG12/d12)/(SAG11/d11)=
0.6751；And the airspace T5 between two groups of adjacent balsaming lens (that is, the first balsaming lens and second balsaming lens) with
Meet T5/TTL=0.0125 between the optics total length TTL of optical lens.
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 and the 7th lens L7.
First lens L1 is the meniscus lens with negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.
Second lens L2 is the biconcave lens with negative power, and object side S3 and image side surface S4 are concave surface.Third
Lens L3 is the biconvex lens with positive light coke, and object side S4 and image side surface S5 are convex surface.Wherein, the second lens L2 with
The third lens L3 is glued mutually to form the first balsaming lens.
4th lens L4 is the biconvex lens with positive light coke, and object side S7 and image side surface S8 are convex surface.5th
Lens L5 is the biconcave lens with negative power, and object side S8 and image side surface S9 are concave surface.6th lens L6 be with
The biconvex lens of positive light coke, object side S9 and image side surface S10 are convex surface.Wherein, the 4th lens L4, the 5th lens L5 and
6th lens L6 gluing forms the second balsaming lens.
7th lens L7 is the meniscus lens with positive light coke, and object side S11 is convex surface, and image side surface S12 is concave surface.
Wherein, the first lens L1, the third lens L3, the 6th lens L6 and the 7th lens L7 are aspherical lens, wherein
First lens L1 and the respective object side the 7th lens L7 and image side surface (S1-S2, S11-S12) are aspherical, the third lens
L3 and the 6th respective image side surface of lens L6 (S5 and S10) are aspherical.
Optionally, which may also include optical filter L8 and/or protection with object side S13 and image side surface S14
Lens L8 '.Optical filter L8 can be used for correcting color error ratio.Protection lens L8 ' can be used for that the image positioned at imaging surface IMA is protected to pass
Sense chip.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface IMA.
It, can be between the third lens L3 and the 4th lens L4 (that is, the first balsaming lens in the optical lens of the present embodiment
Between the second balsaming lens) diaphragm STO is set to improve image quality.
The following table 4 show the radius of curvature R of each lens of the optical lens of embodiment 2, thickness T, refractive index Nd and Ah
Shellfish number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).The following table 5, which is shown, can be used for aspheric in embodiment 2
The circular cone coefficient k and high-order coefficient A, B, C, D and E of face lens surface S1-S2, S5, S10, S11-S12.The following table 6 gives
The optics total length TTL of the optical lens of embodiment 2, the whole group focal length value F of optical lens, optical lens optic back focal BFL,
Lens group length TL, the second lens L2 of optical lens and focal length value F2 and F3, the maximum of optical lens of the third lens L3 regard
Corresponding to the maximum clear aperture D of the object side S1 of first lens L1 corresponding to rink corner, the maximum field of view angle of optical lens
Image height H, the maximum field of view angle FOV of optical lens, optical lens maximum field of view angle corresponding to the 7th lens L7 object side
The angle institute, maximum field of view of half bore d11 of the maximum clear aperture of S11 and its corresponding rise SG value SAG11, optical lens
Half bore d12 of the maximum clear aperture of the image side surface S12 of corresponding 7th lens L7 and its corresponding rise SG value
Airspace T5 between SAG12 and two group of adjacent balsaming lens.
Table 4
| Face number | Radius of curvature R | Thickness T | Refractive index Nd | Abbe number Vd |
| 1 | 6.2429 | 0.9979 | 1.59 | 61.12 |
| 2 | 3.6801 | 5.7783 | ||
| 3 | -5.8879 | 2.8011 | 1.52 | 64.05 |
| 4 | 6.8018 | 3.0016 | 1.74 | 49.34 |
| 5 | -9.5437 | 0.1444 | ||
| STO | It is infinite | 0.1585 | ||
| 7 | 10.3045 | 3.9729 | 1.69 | 54.86 |
| 8 | -12.5191 | 0.6008 | 1.85 | 23.79 |
| 9 | 12.7818 | 2.0384 | 1.59 | 61.12 |
| 10 | 90.5636 | 1.0626 | ||
| 11 | 10.6127 | 2.1041 | 1.59 | 68.53 |
| 12 | 43.4421 | 1.0002 | ||
| 13 | It is infinite | 1.0500 | 1.52 | 64.21 |
| 14 | It is infinite | 5.1483 | ||
| IMA | It is infinite |
Table 5
| Face number | K | A | B | C | D | E |
| 1 | -0.2299 | -3.0886E-03 | 8.2252E-05 | -1.8386E-06 | 2.3945E-08 | -1.8886E-10 |
| 2 | -2.3413 | 4.4620E-04 | -8.5643E-06 | 1.3292E-06 | -6.3785E-09 | -8.8183E-10 |
| 5 | -1.7438 | 1.8359E-04 | 2.6530E-06 | -7.7406E-08 | 1.1640E-08 | -3.0345E-01 |
| 10 | -102.0968 | -3.3515E-03 | 1.9203E-04 | -5.1850E-06 | 1.3642E-07 | -1.4706E-09 |
| 11 | -3.1395 | -3.1246E-03 | 6.8070E-05 | 9.7630E-06 | -4.5331E-07 | 7.1341E-09 |
| 12 | 99.2345 | -4.5219E-04 | -4.6080E-05 | 1.1035E-05 | -4.9353E-07 | 1.0370E-08 |
Table 6
| TTL(mm) | 29.8600 | FOV(°) | 79.5000 |
| F(mm) | 7.1600 | SAG11(mm) | 0.6100 |
| BFL(mm) | 7.2000 | SAG12(mm) | 0.3600 |
| TL(mm) | 22.6600 | d11(mm) | 4.2900 |
| F2(mm) | -5.6600 | d12(mm) | 4.0300 |
| F3(mm) | 5.7700 | T5(mm) | 0.3029 |
| D(mm) | 12.1000 | ||
| H(mm) | 9.6600 |
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=4.1704；Meet BFL/TL=between the optic back focal BFL of optical lens and the lens group length TL of optical lens
0.3177；The object side of first lens L1 corresponding to the maximum field of view angle FOV of optical lens, the maximum field of view angle of optical lens
Meet D/H/FOV=between image height H corresponding to the maximum clear aperture D of S1 and the maximum field of view angle of optical lens
0.0158；Meet between the focal length value F3 of the focal length value F2 and the third lens L3 of second lens L2 | F2/F3 |=0.9809；Optics
Half bore d11 of the maximum clear aperture of the object side S11 of the 7th lens L7 corresponding to the maximum field of view angle of camera lens and its institute
The maximum of the image side surface S12 of 7th lens L7 corresponding to the maximum field of view angle of corresponding rise SG value SAG11 and optical lens
Between half bore d12 of clear aperture and its corresponding rise SG value SAG12 meet (SAG12/d12)/(SAG11/d11)=
0.6282；And the airspace T5 between two groups of adjacent balsaming lens (that is, the first balsaming lens and second balsaming lens) with
Meet T5/TTL=0.0101 between the optics total length TTL of optical lens.
Embodiment 3
The optical lens according to the embodiment of the present application 3 is described referring to Fig. 3.In the present embodiment and following embodiment
In, for brevity, by clipped description similar to Example 1.Fig. 3 shows the optics according to the embodiment of the present application 3
The structural schematic diagram of camera lens.
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 and the 7th lens L7.
First lens L1 is the meniscus lens with negative power, and object side S1 is convex surface, and image side surface S2 is concave surface.
Second lens L2 is the biconcave lens with negative power, and object side S3 and image side surface S4 are concave surface.Third
Lens L3 is the biconvex lens with positive light coke, and object side S4 and image side surface S5 are convex surface.Wherein, the second lens L2 with
The third lens L3 is glued mutually to form the first balsaming lens.
4th lens L4 is the biconvex lens with positive light coke, and object side S7 and image side surface S8 are convex surface.5th
Lens L5 is the biconcave lens with negative power, and object side S8 and image side surface S9 are concave surface.6th lens L6 be with
The biconvex lens of positive light coke, object side S9 and image side surface S10 are convex surface.Wherein, the 4th lens L4, the 5th lens L5 and
6th lens L6 gluing forms the second balsaming lens.
7th lens L7 is the meniscus lens with positive light coke, and object side S11 is convex surface, and image side surface S12 is concave surface.
Wherein, the first lens L1, the third lens L3, the 6th lens L6 and the 7th lens L7 are aspherical lens, wherein
First lens L1 and the respective object side the 7th lens L7 and image side surface (S1-S2, S11-S12) are aspherical, the third lens
L3 and the 6th respective image side surface of lens L6 (S5 and S10) are aspherical.
Optionally, which may also include optical filter L8 and/or protection with object side S13 and image side surface S14
Lens L8 '.Optical filter L8 can be used for correcting color error ratio.Protection lens L8 ' can be used for that the image positioned at imaging surface IMA is protected to pass
Sense chip.Light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface IMA.
It, can be between the third lens L3 and the 4th lens L4 (that is, the first balsaming lens in the optical lens of the present embodiment
Between the second balsaming lens) diaphragm STO is set to improve image quality.
The following table 7 show the radius of curvature R of each lens of the optical lens of embodiment 3, thickness T, refractive index Nd and Ah
Shellfish number Vd, wherein radius of curvature R and the unit of thickness T are millimeter (mm).The following table 8, which is shown, can be used for aspheric in embodiment 3
The circular cone coefficient k and high-order coefficient A, B, C, D and E of face lens surface S1-S2, S5, S10, S11-S12.The following table 9 gives
The optics total length TTL of the optical lens of embodiment 3, the whole group focal length value F of optical lens, optical lens optic back focal BFL,
Lens group length TL, the second lens L2 of optical lens and focal length value F2 and F3, the maximum of optical lens of the third lens L3 regard
Corresponding to the maximum clear aperture D of the object side S1 of first lens L1 corresponding to rink corner, the maximum field of view angle of optical lens
Image height H, the maximum field of view angle FOV of optical lens, optical lens maximum field of view angle corresponding to the 7th lens L7 object side
The maximum field of view of half bore d11 of the maximum clear aperture of S11 and its corresponding rise SG value SAG11 and optical lens
Half bore d12 of the maximum clear aperture of the image side surface S12 of the 7th lens L7 corresponding to angle and its corresponding rise SG value
Airspace T5 between SAG12 and two group of adjacent balsaming lens.
Table 7
| Face number | Radius of curvature R | Thickness T | Refractive index Nd | Abbe number Vd |
| 1 | 6.2206 | 0.9896 | 1.59 | 61.12 |
| 2 | 3.6780 | 5.7272 | ||
| 3 | -5.8525 | 2.8289 | 1.52 | 64.05 |
| 4 | 6.7987 | 3.0075 | 1.74 | 49.34 |
| 5 | -9.5539 | 0.1600 | ||
| STO | It is infinite | 0.1962 | ||
| 7 | 10.3263 | 3.9876 | 1.69 | 54.86 |
| 8 | -12.3804 | 0.5996 | 1.85 | 23.79 |
| 9 | 12.9474 | 2.0636 | 1.59 | 61.12 |
| 10 | 99.1495 | 1.0603 | ||
| 11 | 10.6210 | 2.1356 | 1.59 | 61.12 |
| 12 | 43.3211 | 1.0008 | ||
| 13 | It is infinite | 1.0500 | 1.52 | 64.21 |
| 14 | It is infinite | 5.2980 | ||
| IMA | It is infinite |
Table 8
| Face number | K | A | B | C | D | E |
| 1 | -0.2303 | -3.0187E-03 | 8.2269E-05 | -1.8381E-06 | 2.3935E-08 | -1.9034E-10 |
| 2 | -2.3404 | 4.5297E-04 | -8.5288E-06 | 1.3240E-06 | -6.8469E-09 | -9.0600E-10 |
| 5 | -1.7432 | 1.8053E-04 | 2.6619E-06 | -7.6286E-08 | -1.1716E-08 | -3.0108E-01 |
| 10 | -101.0658 | -3.2111E-03 | 1.9187E-04 | -5.1969E-06 | 1.3609E-07 | -1.4908E-09 |
| 11 | -3.1433 | -3.1448E-03 | 6.8121E-05 | 9.7591E-06 | -4.5421E-07 | 7.1101E-09 |
| 12 | 98.3540 | -4.5329E-04 | -4.6001E-05 | 1.1040E-05 | -4.9348E-07 | 1.0357E-08 |
Table 9
| TTL(mm) | 30.1000 | FOV(°) | 78.0000 |
| F(mm) | 7.1800 | SAG11(mm) | 0.6100 |
| BFL(mm) | 7.3500 | SAG12(mm) | 0.3800 |
| TL(mm) | 22.7500 | d11(mm) | 4.3100 |
| F2(mm) | -5.6400 | d12(mm) | 4.0700 |
| F3(mm) | 5.7700 | T5(mm) | 0.3562 |
| D(mm) | 12.2000 | ||
| H(mm) | 9.6600 |
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=4.1922；Meet BFL/TL=between the optic back focal BFL of optical lens and the lens group length TL of optical lens
0.3231；The object side of first lens L1 corresponding to the maximum field of view angle FOV of optical lens, the maximum field of view angle of optical lens
Meet D/H/FOV=between image height H corresponding to the maximum clear aperture D of S1 and the maximum field of view angle of optical lens
0.0162；Meet between the focal length value F3 of the focal length value F2 and the third lens L3 of second lens L2 | F2/F3 |=0.9775；Optics
Half bore d11 of the maximum clear aperture of the object side S11 of the 7th lens L7 corresponding to the maximum field of view angle of camera lens and its institute
The maximum of the image side surface S12 of 7th lens L7 corresponding to the maximum field of view angle of corresponding rise SG value SAG11 and optical lens
Between half bore d12 of clear aperture and its corresponding rise SG value SAG12 meet (SAG12/d12)/(SAG11/d11)=
0.6597；And the airspace T5 between two groups of adjacent balsaming lens (that is, the first balsaming lens and second balsaming lens) with
Meet T5/TTL=0.0118 between the optics total length TTL of optical lens.
To sum up, embodiment 1 to embodiment 3 meets relationship shown in following table 10 respectively.
Table 10
Present invention also provides a kind of imaging device, which may include the light according to the application above embodiment
It learns camera lens and the optical imagery for forming optical lens is converted to the image-forming component of electric signal.The image-forming component can be sense
Optical coupling element (CCD) or Complimentary Metal-Oxide semiconductor element (CMOS).The imaging device can be such as detection range
The independent imaging equipment of camera is also possible to be integrated in the image-forming module in such as detection range equipment.
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, the 6th lens and the 7th lens,
It is characterized in that,
First lens have negative power, and object side is convex surface, and image side surface is concave surface；
Second lens have negative power, and object side and image side surface are concave surface；
The third lens have positive light coke, and object side and image side surface are convex surface；
4th lens have positive light coke, and object side and image side surface are convex surface；
5th lens have negative power, and object side and image side surface are concave surface；
6th lens have positive light coke, and object side and image side surface are convex surface；And
7th lens have positive light coke, and object side is convex surface, and image side surface is concave surface.
2. optical lens according to claim 1, which is characterized in that second lens and the mutual glue of the third lens
It closes and forms the first balsaming lens.
3. optical lens according to claim 2, which is characterized in that the 4th lens, the 5th lens and described
6th lens gluing forms the second balsaming lens.
4. optical lens according to claim 1, which is characterized in that first lens, the 6th lens and the 7th
Lens are aspherical lens, and first lens, the 6th lens and the respective object side of the 7th lens and image side surface
At least one of to be aspherical.
5. optical lens according to claim 1, which is characterized in that the third lens are Glass aspheric eyeglass, and
At least one of the object side of the third lens and image side surface are aspherical.
6. optical lens according to any one of claims 1-5, which is characterized in that the optics overall length of the optical lens
Meet between the degree TTL and whole group focal length value F of the optical lens: TTL/F≤5.
7. optical lens according to any one of claims 1-5, which is characterized in that the maximum field of view of the optical lens
Angle FOV, the optical lens maximum field of view angle corresponding to first lens object side maximum clear aperture D and
Meet between image height H corresponding to the maximum field of view angle of the optical lens: D/H/FOV≤0.025.
8. optical lens according to any one of claims 1-5, which is characterized in that the optic back focal of the optical lens
Meet between BFL and the lens group length TL of the optical lens: BFL/TL >=0.25.
9. optical lens according to any one of claims 1-5, which is characterized in that the focal length value F2 of second lens
Meet between the focal length value F3 of the third lens: 0.5≤| F2/F3 |≤1.5.
10. optical lens according to any one of claims 1-5, which is characterized in that meet conditional:
0.2≤(SAG12/d12)/(SAG11/d11)≤1.0,
Wherein, d11 is the maximum light passing of the object side of the 7th lens corresponding to the maximum field of view angle of the optical lens
Half bore of bore,
SAG11 is the rise SG value of the object side of the 7th lens corresponding to the maximum field of view angle of the optical lens,
D12 is the maximum clear aperture of the image side surface of the 7th lens corresponding to the maximum field of view angle of the optical lens
Half bore, and
SAG12 is the rise SG value of the image side surface of the 7th lens corresponding to the maximum field of view angle of the optical lens.
11. optical lens according to claim 3, which is characterized in that first balsaming lens and second gluing
Meet between the optics total length TTL of airspace T5 and the optical lens between lens: T5/TTL≤0.02.
It by object side to image side sequentially include: the first lens, the second lens, the third lens, the 4th along optical axis 12. optical lens
Lens, the 5th lens, the 6th lens and the 7th lens,
It is characterized in that,
First lens, second lens and the 5th lens all have negative power；
The third lens, the 4th lens, the 6th lens and the 7th lens all have positive light coke；
Gluing forms the first balsaming lens mutually for second lens and the third lens；
4th lens, the 5th lens and the 6th lens gluing form the second balsaming lens；And
Meet between the optics total length TTL of the optical lens and the whole group focal length value F of the optical lens: TTL/F≤5.
13. a kind of imaging device, which is characterized in that including optical lens described in claim 1 or 12 and be used for the light
Learn the image-forming component that the optical imagery that camera lens is formed is converted to electric signal.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579927A (en) * | 2019-10-09 | 2019-12-17 | 安徽仁和光电科技有限公司 | Small low-F-number high-definition projection lens |
| CN111708158A (en) * | 2020-08-20 | 2020-09-25 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| CN113031211A (en) * | 2019-12-25 | 2021-06-25 | 大立光电股份有限公司 | Photographing optical lens assembly, image capturing device and electronic device |
| CN113805305A (en) * | 2020-05-27 | 2021-12-17 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| JP2022181228A (en) * | 2021-05-26 | 2022-12-08 | パナソニックＩｐマネジメント株式会社 | Imaging optical system and camera |
| US11650395B2 (en) | 2019-07-26 | 2023-05-16 | Rays Optics Inc. | Fixed focal imaging lens |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1352753A (en) * | 1999-05-04 | 2002-06-05 | 美国精密镜片股份有限公司 | Projection lenes having reduced lateral color for use with pixelized panels |
| JP2010085484A (en) * | 2008-09-29 | 2010-04-15 | Kyocera Optec Co Ltd | Imaging lens and imaging apparatus |
| JP2011133793A (en) * | 2009-12-25 | 2011-07-07 | Ricoh Optical Industries Co Ltd | Imaging lens system |
| CN106772947A (en) * | 2017-01-22 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | Large face sports DV lens |
| CN107797261A (en) * | 2017-11-20 | 2018-03-13 | 嘉兴中润光学科技有限公司 | Dynamic Photography camera lens |
| CN108227153A (en) * | 2018-03-20 | 2018-06-29 | 嘉兴中润光学科技有限公司 | Wide-angle tight shot |
| CN108267834A (en) * | 2016-12-30 | 2018-07-10 | 中强光电股份有限公司 | fixed focus lens |
| CN108873270A (en) * | 2018-07-13 | 2018-11-23 | 舜宇光学(中山)有限公司 | Glass modeling mixing tight shot |
-
2019
- 2019-01-24 CN CN201910068112.3A patent/CN109557644B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1352753A (en) * | 1999-05-04 | 2002-06-05 | 美国精密镜片股份有限公司 | Projection lenes having reduced lateral color for use with pixelized panels |
| JP2010085484A (en) * | 2008-09-29 | 2010-04-15 | Kyocera Optec Co Ltd | Imaging lens and imaging apparatus |
| JP2011133793A (en) * | 2009-12-25 | 2011-07-07 | Ricoh Optical Industries Co Ltd | Imaging lens system |
| CN108267834A (en) * | 2016-12-30 | 2018-07-10 | 中强光电股份有限公司 | fixed focus lens |
| CN106772947A (en) * | 2017-01-22 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | Large face sports DV lens |
| CN107797261A (en) * | 2017-11-20 | 2018-03-13 | 嘉兴中润光学科技有限公司 | Dynamic Photography camera lens |
| CN108227153A (en) * | 2018-03-20 | 2018-06-29 | 嘉兴中润光学科技有限公司 | Wide-angle tight shot |
| CN108873270A (en) * | 2018-07-13 | 2018-11-23 | 舜宇光学(中山)有限公司 | Glass modeling mixing tight shot |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11650395B2 (en) | 2019-07-26 | 2023-05-16 | Rays Optics Inc. | Fixed focal imaging lens |
| CN110579927A (en) * | 2019-10-09 | 2019-12-17 | 安徽仁和光电科技有限公司 | Small low-F-number high-definition projection lens |
| CN110579927B (en) * | 2019-10-09 | 2021-07-30 | 安徽仁和光电科技有限公司 | Small low-F-number high-definition projection lens |
| CN113031211A (en) * | 2019-12-25 | 2021-06-25 | 大立光电股份有限公司 | Photographing optical lens assembly, image capturing device and electronic device |
| CN115236839A (en) * | 2019-12-25 | 2022-10-25 | 大立光电股份有限公司 | Optical lens set for photography |
| CN115268035A (en) * | 2019-12-25 | 2022-11-01 | 大立光电股份有限公司 | Optical lens set for photography |
| CN115268035B (en) * | 2019-12-25 | 2023-09-05 | 大立光电股份有限公司 | Optical lens set for photography |
| CN115236839B (en) * | 2019-12-25 | 2023-09-05 | 大立光电股份有限公司 | Optical lens set for photography |
| CN113805305A (en) * | 2020-05-27 | 2021-12-17 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN113805305B (en) * | 2020-05-27 | 2024-07-12 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN111708158A (en) * | 2020-08-20 | 2020-09-25 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| JP2022181228A (en) * | 2021-05-26 | 2022-12-08 | パナソニックＩｐマネジメント株式会社 | Imaging optical system and camera |
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