CN107436478A - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN107436478A CN107436478A CN201710828050.2A CN201710828050A CN107436478A CN 107436478 A CN107436478 A CN 107436478A CN 201710828050 A CN201710828050 A CN 201710828050A CN 107436478 A CN107436478 A CN 107436478A
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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
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Abstract
This application discloses a kind of optical imaging lens, the optical imaging lens are sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens and the 4th lens.First lens have negative power；3rd lens have positive light coke；At least one in second lens and the 4th lens has positive light coke；Second lens meet CT2/CT4 ＜ 0.5 in the center thickness CT2 on optical axis and the 4th lens in the center thickness CT4 on optical axis.
Description
Technical field
The application is related to a kind of optical imaging lens, more specifically, the application is related to a kind of optics for including four lens
Imaging lens.
Background technology
With the conventional photosensitive member such as photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor element (CMOS)
The raising of part performance and the reduction of size, for miniaturization, lightweight and high image quality of imaging lens for matching etc.
Aspect proposes higher requirement.
The F-number Fno (Entry pupil diameters of total effective focal length/camera lens of camera lens) that existing imaging lens generally configure exists
2.0 or more than 2.0, with realize minimize while with good optical property.But as smart mobile phone etc. is portable
The continuous development of electronic product, the imaging lens to match are proposed with higher requirement, particularly for insufficient light (such as
Rainy days, dusk etc.), when hand shaking, imaging lens that F-number Fno is 2.0 or more than 2.0 can not meet higher
The imaging requirements of rank.Especially, in infrared camera field, it is also necessary to which imaging lens have while small size, large aperture is ensured
There is high relative illumination, to meet requirement of the application such as detection, identification to camera lens.
The content of the invention
This application provides be applicable to portable type electronic product, can at least solve or part solve it is of the prior art
The large aperture pick-up lens of above-mentioned at least one shortcoming.
On the one hand, this application provides such a optical imaging lens, the camera lens along optical axis by thing side to image side according to
Sequence includes：First lens, the second lens, the 3rd lens and the 4th lens.First lens can have negative power；3rd lens can
With positive light coke；At least one in second lens and the 4th lens has positive light coke；Wherein, the second lens are in optical axis
On center thickness CT2 and the 4th lens meet CT2/CT4 ＜ 0.5 in the center thickness CT4 on optical axis.
In one embodiment, the image side surface of the first lens can be concave surface.
In one embodiment, the radius of curvature R 2 of the first lens image side surface and total effective focal length of optical imaging lens
F can meet 0.7 ＜ R2/f ＜ 1.3.
In one embodiment, the image side surface of the 3rd lens can be convex surface, the radius of curvature R 2 of the first lens image side surface
It can meet -1 ＜ R2/R6 ＜ -0.5 with the radius of curvature R 6 of the 3rd lens image side surface.
In one embodiment, the second lens are in center thickness CT2 and the edge thickness ET2 of the second lens on optical axis
0.5 ＜ CT2/ET2 ＜ 1 can be met.
In one embodiment, effective half bore DT21 of the second lens thing side and the 3rd lens image side surface is effective
Half bore DT32 can meet 0.8 ＜ DT21/DT32 ＜ 1.4.
In one embodiment, the thing side of the 4th lens can be convex surface.
In one embodiment, on effective half bore DT42 of the 4th lens image side surface and optical imaging lens imaging surface
The half ImgH of effective pixel area diagonal line length can meet 0.7 ＜ DT42/ImgH≤1.0.
In one embodiment, the thing side of the 4th lens and the intersection point of optical axis are to effectively the half of the 4th lens thing side
Distance SAG41 and the image side surface of the 4th lens and the intersection point of optical axis between bore summit on optical axis are to the 4th lens image side surface
Effective half bore summit between distance SAG42 on optical axis can meet 1.0 ＜ SAG41/SAG42 ＜ 1.5.
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f3 of the 3rd lens can meet -1.2
＜ f1/f3 ＜ -0.5.
In one embodiment, total the effective focal length f and optical imaging lens of optical imaging lens Entry pupil diameters EPD
F/EPD ＜ 1.6 can be met.
In one embodiment, on optical imaging lens imaging surface the half ImgH of effective pixel area diagonal line length with
Total effective focal length f of optical imaging lens can meet ImgH/f ＞ 1.
On the other hand, present invention also provides such a optical imaging lens, the camera lens is along optical axis by thing side to picture
Side sequentially includes：First lens, the second lens, the 3rd lens and the 4th lens.First lens can have negative power；Second is saturating
Mirror can have focal power；3rd lens can have positive light coke, and its thing side and image side surface can be convex surface；4th lens can have
There is focal power, its thing side can be convex surface；Total the effective focal length f and optical imaging lens of optical imaging lens Entry pupil diameters
EPD can meet f/EPD ＜ 1.6.
Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by thing side to picture
Side sequentially includes：First lens, the second lens, the 3rd lens and the 4th lens.First lens can have negative power；Second is saturating
Mirror can have focal power；3rd lens can have positive light coke；4th lens can have focal power；Wherein, the second lens are in light
The edge thickness ET2 of center thickness CT2 and the second lens on axle can meet 0.5 ＜ CT2/ET2 ＜ 1.
Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by thing side to picture
Side sequentially includes：First lens, the second lens, the 3rd lens and the 4th lens.First lens can have negative power；Second is saturating
Mirror can have focal power；3rd lens can have positive light coke；4th lens can have focal power；Wherein, the 4th lens image side
Effective half bore DT42 and effective pixel area diagonal line length on optical imaging lens imaging surface in face half ImgH can meet
0.7 ＜ DT42/ImgH≤1.0.
Another aspect, present invention also provides such a optical imaging lens, and the camera lens is along optical axis by thing side to picture
Side sequentially includes：First lens, the second lens, the 3rd lens and the 4th lens.First lens can have negative power；Second is saturating
Mirror can have focal power；3rd lens can have positive light coke；4th lens can have focal power；Wherein, the thing of the 4th lens
The intersection point of side and optical axis is to the distance SAG41 and the 4th between effective half bore summit of the 4th lens thing side on optical axis
The image side surface of lens and the intersection point of optical axis are to the distance between effective half bore summit of the 4th lens image side surface on optical axis
SAG42 can meet 1.0 ＜ SAG41/SAG42 ＜ 1.5.
By reasonable disposition, make above-mentioned optical imaging lens while good image quality is realized, have and minimize, be big
At least one beneficial effects such as aperture, the big angle of visual field, high relative illumination.
Brief description of the drawings
With reference to accompanying drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings：
Fig. 1 shows the structural representation of the optical imaging lens according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axle of the optical imaging lens of embodiment 1, astigmatism curve, multiplying power
Chromatic curve and relative illumination curve；
Fig. 3 shows the structural representation of the optical imaging lens according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 2, astigmatism curve, multiplying power
Chromatic curve and relative illumination curve；
Fig. 5 shows the structural representation of the optical imaging lens according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 3, astigmatism curve, multiplying power
Chromatic curve and relative illumination curve；
Fig. 7 shows the structural representation of the optical imaging lens according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 4, astigmatism curve, multiplying power
Chromatic curve and relative illumination curve；
Fig. 9 shows the structural representation of the optical imaging lens according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 5, astigmatism curve, times
Rate chromatic curve and relative illumination curve；
Figure 11 shows the structural representation of the optical imaging lens according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 6, astigmatism curve, times
Rate chromatic curve and relative illumination curve.
Embodiment
In order to more fully understand the application, refer to the attached drawing is made into more detailed description to the various aspects of the application.Should
Understand, these describe the description of the simply illustrative embodiments to the application in detail, rather than limit the application in any way
Scope.In the specification, identical reference numbers identical element.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in this manual, the statement of first, second, third, etc. is only used for a feature and another spy
Sign makes a distinction, and does not indicate that any restrictions to feature.Therefore, in the case of without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the 3rd lens.
In the accompanying drawings, for convenience of description, thickness, the size and dimension of lens are somewhat exaggerated.Specifically, accompanying drawing
Shown in sphere or aspherical shape be illustrated by way of example.That is, sphere or aspherical shape is not limited to accompanying drawing
In the sphere that shows or aspherical shape.Accompanying drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define the convex surface position
When putting, then it represents that the lens surface is extremely convex surface less than near axis area；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is extremely concave surface less than near axis area.It is referred to as thing side near the surface of object in each lens,
It is referred to as image side surface near the surface of imaging surface in each lens.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
Represent stated feature, element and/or part be present when being used in bright book, but do not preclude the presence or addition of one or more
Further feature, element, part and/or combinations thereof.In addition, ought the statement of such as " ... at least one " appear in institute
When after the list of row feature, whole listed feature, rather than the individual component in modification list are modified.In addition, work as description originally
During the embodiment of application, represented " one or more embodiments of the application " using "available".Also, term " exemplary "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with
The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and
It will not explained with idealization or excessively formal sense, unless clearly so limiting herein.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Include such as four lens with focal power according to the optical imaging lens of the application illustrative embodiments, i.e.,
First lens, the second lens, the 3rd lens and the 4th lens.This four lens are along optical axis from thing side to image side sequential.
The optical imaging lens can also further comprise the photo-sensitive cell for being arranged at imaging surface.
First lens can have a negative power, and at least one in its thing side and image side surface is concave surface.In a reality
Apply in mode, the image side surface of the first lens can be concave surface.The image side surface of first lens is arranged as concave surface, can ensure that first is saturating
Under conditions of mirror has preferable processing technology, there is larger negative power, so that imaging system has big visual field
Angle, height are as the advantage of matter.
It can meet 0.7 ＜ between the radius of curvature R 2 of first lens image side surface and total effective focal length f of optical imaging lens
R2/f ＜ 1.3, more specifically, R2 and f can further meet 0.85≤R2/f≤1.11.Meet the ＜ R2/f ＜ of conditional 0.7
1.3, can further it be protected while realizing the wide-angle characteristic of imaging system and ensureing that the first lens have larger negative power
Demonstrate,proving the first lens has preferable processing technology.
Second lens can have positive light coke or a negative power, at least one to be convex in its thing side and image side surface
Face.In one embodiment, the thing side of the second lens can be convex surface.
Second lens can meet 0.5 ＜ between the center thickness CT2 and the edge thickness ET2 of the second lens on optical axis
CT2/ET2 ＜ 1, more specifically, CT2 and ET2 can further meet 0.57≤CT2/ET2≤0.98.Meet the ＜ of conditional 0.5
CT2/ET2 ＜ 1, the processing technology of the second lens is advantageously ensured that, improve the machining accuracy of the second lens.
3rd lens can have negative power.Between the effective focal length f1 of first lens and the effective focal length f3 of the 3rd lens
- 1.2 ＜ f1/f3 ＜ -0.5 can be met, more specifically, f1 and f3 can further meet -1.14≤f1/f3≤- 0.73.Meet bar
The ＜ f1/f3 ＜ -0.5 of part formula -1.2, it is ensured that the first lens and the 3rd lens have that symbol is opposite and the approximate suitable light of size
Focal power, form and counter take the photograph remote optical texture by what front negative lens group and rear positive lens groups were formed.Such structure is advantageous to expand
The visual field of big imaging system simultaneously improves image quality.
The thing side of 3rd lens can be convex surface, and image side surface can be convex surface.The radius of curvature R 2 of first lens image side surface with
- 1 ＜ R2/R6 ＜ -0.5 can be met between the radius of curvature R 6 of 3rd lens image side surface, more specifically, R2 and R6 can further expire
Foot -0.90≤R2/R6≤- 0.51.The image side surface of the image side surface of first lens and the 3rd lens has that symbol is opposite and size is near
The radius of curvature that patibhaga-nimitta is worked as, the compensation of aberration and the lifting of image quality can be advantageous to.
Between the effective half bore DT21 and the 3rd lens of the thing side of second the lens effective half bore DT32 of image side surface
0.8 ＜ DT21/DT32 ＜ 1.4 can be met, more specifically, DT21 and DT32 can further meet 0.82≤DT21/DT32≤
1.30.The thing side of second lens and the image side surface of the 3rd lens have sizable effective half bore, are advantageous to imaging system
The assembling of system, improve assembly precision；Meanwhile such arrangement also advantageously improves the image quality of imaging system.
4th lens have positive light coke or negative power.Alternatively, the 4th lens can have positive light coke.
At least one in the thing side and image side surface of 4th lens is convex surface.In one embodiment, the 4th is saturating
The thing side of mirror can be convex surface.It is convex surface by the thing side arrangement of the 4th lens, advantageously ensures that the chief ray of imaging system exists
There is small incident degree when being incident to imaging surface, also help the relative illumination of lifting imaging surface.
Second lens can expire in the center thickness CT2 on optical axis and the 4th lens between the center thickness CT4 on optical axis
Sufficient CT2/CT4 ＜ 0.5, more specifically, CT2 and CT4 can further meet 0.10≤CT2/CT4≤0.44.Reasonable distribution second
The center thickness of lens and the 4th lens, can be on the premise of lens imaging quality be ensured so that each lens have preferable work
Skill.
The thing side of 4th lens and the intersection point of optical axis between effective half bore summit of the 4th lens thing side in light
Distance SAG41 and the image side surface of the 4th lens and the intersection point of optical axis on axle are to effective half bore summit of the 4th lens image side surface
Between distance SAG42 on optical axis can meet 1.0 ＜ SAG41/SAG42 ＜ 1.5, more specifically, SAG41 and SAG42 enter one
Step can meet 1.10≤SAG41/SAG42≤1.44.Meet the ＜ SAG41/SAG42 ＜ 1.5 of conditional 1, be advantageous to make the imaging be
System has less chief ray angle and higher relative illumination.In addition, reasonable disposition SAG41 and SAG42, also helping makes
Four lens have preferable processability.
Effective half bore DT42 of 4th lens image side surface and effective pixel area on optical imaging lens imaging surface are diagonal
0.7 ＜ DT42/ImgH≤1.0 can be met between the half ImgH of line length, more specifically, DT42 and ImgH can further meet
0.73≤DT42/ImgH≤0.95.Meet ＜ DT42/ImgH≤1.0 of conditional 0.7, it is ensured that effective half mouthful of the 4th lens
The half size of effective pixel area diagonal line length is approximate quite on footpath and imaging surface, and then can guarantee that the chief ray of imaging system
Angle has smaller angle when being incident to imaging surface, improves the relative illumination of imaging system.
It can meet f/EPD ＜ between total the effective focal length f and optical imaging lens of optical imaging lens Entry pupil diameters EPD
1.6, more specifically, f and EPD can further meet 1.19≤f/EPD≤1.48.Meet conditional f/EPD ＜ 1.6, Ke Yiyou
Image planes energy density on effect ground lifting imaging surface, and then improve the signal to noise ratio of image space sensor output signal, i.e. improve measurement
The precision of depth.
The half ImgH of effective pixel area diagonal line length and optical imaging lens is total on optical imaging lens imaging surface
ImgH/f ＞ 1 can be met between effective focal length f, more specifically, ImgH and f can further meet 1.34≤ImgH/f≤1.91.
Meet conditional ImgH/f ＞ 1, can guarantee that imaging system has the larger angle of visual field, realize the wide-angle characteristic of camera lens.
Alternatively, optical imaging lens may also include at least one diaphragm, to improve image quality.Diaphragm can be as needed
Any position is arranged at, for example, diaphragm may be provided between the second lens and the 3rd lens.
Alternatively, above-mentioned optical imaging lens may also include optical filter and/or protective glass.
Multi-disc eyeglass, such as described above four can be used according to the optical imaging lens of the above-mentioned embodiment of the application
Piece.Pass through spacing on the axle between each power of lens of reasonable distribution, face type, the center thickness of each lens and each lens
Deng, can effectively reduce camera lens volume, reduce camera lens susceptibility and improve the machinability of camera lens so that the camera lens more has
Beneficial to producing and processing and be applicable to portable type electronic product.Meanwhile by the optical imaging lens of above-mentioned configuration, also have
Such as the beneficial effect such as large aperture, the big angle of visual field, high image quality, it can preferably be applied to the fields such as infrared acquisition, identification.
In presently filed embodiment, at least one in the minute surface of each lens is aspherical mirror.Non-spherical lens
The characteristics of be：From lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter
The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture
The advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve
Image quality.
However, it will be understood by those of skill in the art that without departing from this application claims technical scheme situation
Under, the lens numbers for forming optical imaging lens can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described in embodiments by taking four lens as an example, the optical imaging lens are not limited to include four
Lens.If desired, optical imaging lens may also include the lens of other quantity.
The specific embodiment for the optical imaging lens for being applicable to above-mentioned embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Optical imaging lens referring to Fig. 1 to Fig. 2 D descriptions according to the embodiment of the present application 1.Fig. 1 is shown according to this
Apply for the structural representation of the optical imaging lens of embodiment 1.
As shown in figure 1, optical imaging lens sequentially include the first lens L1, the second lens by thing side along optical axis into image side
L2, the 3rd lens L3, the 4th lens L4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11
Element.
First lens L1 has negative power, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens L1
Thing side S1 and image side surface S2 is aspherical.
Second lens L2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens L2
Thing side S3 and image side surface S4 is aspherical.
3rd lens L3 has positive light coke, and its thing side S5 is convex surface, and image side surface S6 is convex surface, and the 3rd lens L3
Thing side S5 and image side surface S6 is aspherical.
4th lens L4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens L4
Thing side S7 and image side surface S8 is aspherical.
Alternatively, optical imaging lens may also include the optical filter L5 with thing side S9 and image side surface S10.From object
Light sequentially through each surface S1 to S10 and being ultimately imaged on imaging surface S11.
Alternatively, diaphragm STO can be set between the second lens L2 and the 3rd lens L3, to lift image quality.
Table 1 show the surface types of each lens of the optical imaging lens of embodiment 1, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 1
It can be obtained by table 1, the first lens L1 image side surface S2 lens L3 of radius of curvature R 2 and the 3rd image side surface S6 song
Meet R2/R6=-0.63 between rate radius R6；Second lens L2 is in the center thickness CT2 on optical axis and the 4th lens in optical axis
On center thickness CT4 between meet CT2/CT4=0.25.
In embodiment 1, each lens can use non-spherical lens, and each aspherical face type x is limited by below equation：
Wherein, x be it is aspherical along optical axis direction when being highly h position, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse)；K be circular cone coefficient (
Provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.Table 2 below is given available for each aspherical in embodiment 1
Minute surface S1-S8 high order term coefficient A4、A6、A8、A10、A12、A14And A16。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.3881E-02 | -1.0376E-02 | 2.3068E-03 | -3.0035E-04 | 2.3028E-05 | -9.5925E-07 | 1.6728E-08 |
| S2 | 5.5580E-02 | 6.7232E-02 | -1.5390E-01 | 1.2259E-01 | -5.3244E-02 | 1.1872E-02 | -1.0351E-03 |
| S3 | -6.0199E-02 | 1.2438E-02 | -3.6378E-02 | 7.0939E-02 | -4.7642E-02 | 1.4781E-02 | -1.8372E-03 |
| S4 | -5.5698E-02 | 2.4854E-01 | -9.5137E-01 | 2.3584E+00 | -3.0815E+00 | 2.0701E+00 | -5.3969E-01 |
| S5 | -6.3203E-02 | 7.6266E-02 | -1.4136E-01 | 1.5507E-01 | -9.9525E-02 | 3.7971E-02 | -6.5824E-03 |
| S6 | -6.0869E-02 | 1.8807E-02 | -2.3483E-02 | 1.1263E-02 | 2.4715E-03 | -4.6087E-03 | 1.2545E-03 |
| S7 | -3.8045E-02 | 1.5354E-02 | -1.1502E-02 | 4.6124E-03 | -1.0751E-03 | 1.2745E-04 | -5.5876E-06 |
| S8 | 9.2110E-02 | -5.0657E-02 | 2.3420E-02 | -8.2491E-03 | 1.8216E-03 | -2.2155E-04 | 1.1284E-05 |
Table 2
Table 3 below provide in embodiment 1 total effective focal length f of optical imaging lens, the effective focal length f1 of each lens to f4, into
The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on image planes S11.
Table 3
It can be obtained by table 1 and table 3, met between the first lens L1 effective focal length f1 and the 3rd lens L3 effective focal length f3
F1/f3=-0.86；On imaging surface S11 the half ImgH of effective pixel area diagonal line length and optical imaging lens it is total effectively
Meet ImgH/f=1.79 between focal length f；First lens L1 image side surface S2 radius of curvature R 2 is total with optical imaging lens
Meet R2/f=0.85 between effective focal length f.
In embodiment 1, between total the effective focal length f and optical imaging lens of optical imaging lens Entry pupil diameters EPD
Meet f/EPD=1.37；Second lens L2 is between the center thickness CT2 on optical axis and the second lens L2 edge thickness ET2
Meet CT2/ET2=0.79；Second lens L2 things side S3 effective half bore DT21 and the 3rd lens L3 image side surfaces S6's has
Imitate and meet DT21/DT32=0.98 between half bore DT32；4th lens L4 image side surfaces S8 effective half bore DT42 and imaging
Meet DT42/ImgH=0.91 between the half ImgH of effective pixel area diagonal line length on the S11 of face；4th lens L4 thing side
Distance SAG41 and the 4th lens on the intersection point of face S7 and optical axis to the axle on the 4th lens L4 things side S7 effective half bore summit
Distance SAG42 expires on L4 image side surface S8 and the intersection point of optical axis to the axle on the 4th lens L4 image side surfaces S8 effective half bore summit
Sufficient SAG41/SAG42=1.44.
In embodiment 1, HFOV=80.1 ° of the maximum angle of half field-of view of optical imaging lens, there is wide-angle characteristic.
Fig. 2A shows chromatic curve on the axle of the optical imaging lens of embodiment 1, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 2 B show the astigmatism curve of the optical imaging lens of embodiment 1, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 2 C show the ratio chromatism, curve of the optical imaging lens of embodiment 1, and it represents light
Via the deviation of the different image heights after camera lens on imaging surface.Fig. 2 D show the relative of the optical imaging lens of embodiment 1
Illumination curve, it represents the relative illumination corresponding to the different angles of visual field.Understood according to Fig. 2A to Fig. 2 D, given by embodiment 1
Optical imaging lens can realize good image quality.
Embodiment 2
Optical imaging lens referring to Fig. 3 to Fig. 4 D descriptions according to the embodiment of the present application 2.In the present embodiment and following
In embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2
Optical imaging lens structural representation.
As shown in figure 3, optical imaging lens sequentially include the first lens L1, the second lens by thing side along optical axis into image side
L2, the 3rd lens L3, the 4th lens L4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11
Element.
First lens L1 has negative power, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens L1
Thing side S1 and image side surface S2 is aspherical.
Second lens L2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens L2
Thing side S3 and image side surface S4 is aspherical.
3rd lens L3 has positive light coke, and its thing side S5 is convex surface, and image side surface S6 is convex surface, and the 3rd lens L3
Thing side S5 and image side surface S6 is aspherical.
4th lens L4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens L4
Thing side S7 and image side surface S8 is aspherical.
Alternatively, optical imaging lens may also include the optical filter L5 with thing side S9 and image side surface S10.From object
Light sequentially through each surface S1 to S10 and being ultimately imaged on imaging surface S11.
Alternatively, diaphragm STO can be set between the second lens L2 and the 3rd lens L3, to lift image quality.
Table 4 show the surface types of each lens of the optical imaging lens of embodiment 2, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 5 is shown available for each aspheric in embodiment 2
The high order term coefficient of face minute surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 6 shows
Total effective focal length f of optical imaging lens in embodiment 2, the effective focal length f1 to f4 of each lens, effective on imaging surface S11 are gone out
The half ImgH of pixel region diagonal line length and maximum angle of half field-of view HFOV.
Table 4
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.7776E-02 | -9.4783E-03 | 1.7128E-03 | -1.8409E-04 | 1.1936E-05 | -4.2886E-07 | 6.5065E-09 |
| S2 | 6.6834E-02 | -2.4077E-02 | -1.1094E-02 | 9.6166E-03 | -3.3734E-03 | 7.4245E-04 | -7.1898E-05 |
| S3 | -1.9620E-02 | -3.7381E-02 | 7.3131E-02 | -6.1671E-02 | 2.9243E-02 | -7.1735E-03 | 6.9348E-04 |
| S4 | -5.9313E-02 | 3.8040E-01 | -1.7185E+00 | 4.4836E+00 | -6.4092E+00 | 4.7316E+00 | -1.4060E+00 |
| S5 | -6.5877E-02 | 6.9202E-02 | -1.7761E-01 | 2.6497E-01 | -2.3735E-01 | 1.1387E-01 | -2.3129E-02 |
| S6 | -7.7150E-02 | 3.9368E-02 | -1.3219E-02 | 4.0253E-04 | 1.5308E-03 | -5.5756E-04 | 6.4620E-05 |
| S7 | -7.9211E-02 | 3.8506E-02 | -2.2380E-02 | 8.3239E-03 | -1.9424E-03 | 2.5064E-04 | -1.3752E-05 |
| S8 | 8.8430E-02 | -5.8249E-02 | 2.5311E-02 | -8.0056E-03 | 1.5952E-03 | -1.7339E-04 | 7.7465E-06 |
Table 5
Table 6
Fig. 4 A show chromatic curve on the axle of the optical imaging lens of embodiment 2, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 4 B show the astigmatism curve of the optical imaging lens of embodiment 2, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 4 C show the ratio chromatism, curve of the optical imaging lens of embodiment 2, and it represents light
Via the deviation of the different image heights after camera lens on imaging surface.Fig. 4 D show the relative of the optical imaging lens of embodiment 2
Illumination curve, it represents the relative illumination corresponding to the different angles of visual field.Understood according to Fig. 4 A to Fig. 4 D, given by embodiment 2
Optical imaging lens can realize good image quality.
Embodiment 3
The optical imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basis
The structural representation of the optical imaging lens of the embodiment of the present application 3.
As shown in figure 5, optical imaging lens sequentially include the first lens L1, the second lens by thing side along optical axis into image side
L2, the 3rd lens L3, the 4th lens L4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11
Element.
First lens L1 has negative power, and its thing side S1 is concave surface, and image side surface S2 is concave surface, and the first lens L1
Thing side S1 and image side surface S2 is aspherical.
Second lens L2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens L2
Thing side S3 and image side surface S4 is aspherical.
3rd lens L3 has positive light coke, and its thing side S5 is convex surface, and image side surface S6 is convex surface, and the 3rd lens L3
Thing side S5 and image side surface S6 is aspherical.
4th lens L4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens L4
Thing side S7 and image side surface S8 is aspherical.
Alternatively, optical imaging lens may also include the optical filter L5 with thing side S9 and image side surface S10.From object
Light sequentially through each surface S1 to S10 and being ultimately imaged on imaging surface S11.
Alternatively, diaphragm STO can be set between the second lens L2 and the 3rd lens L3, to lift image quality.
Table 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 8 is shown available for each aspheric in embodiment 3
The high order term coefficient of face minute surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 9 shows
Total effective focal length f of optical imaging lens in embodiment 3, the effective focal length f1 to f4 of each lens, effective on imaging surface S11 are gone out
The half ImgH of pixel region diagonal line length and maximum angle of half field-of view HFOV.
Table 7
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 7.8114E-03 | -8.7117E-04 | 7.7884E-05 | -4.6945E-06 | 1.6850E-07 | -3.2499E-09 | 2.6435E-11 |
| S2 | 7.9625E-02 | -2.7186E-02 | 7.6673E-03 | -1.4753E-03 | 1.8897E-04 | -1.8010E-05 | 9.2952E-07 |
| S3 | 1.6752E-03 | -4.9169E-02 | 4.3065E-02 | -2.0018E-02 | 5.8328E-03 | -9.4966E-04 | 6.3067E-05 |
| S4 | 9.2638E-02 | -2.2513E-01 | 3.9866E-01 | -4.1070E-01 | 2.5288E-01 | -8.4070E-02 | 1.1798E-02 |
| S5 | 9.0718E-03 | -3.3073E-02 | 7.5884E-02 | -1.0921E-01 | 8.2668E-02 | -3.1478E-02 | 4.7208E-03 |
| S6 | 4.8323E-02 | -7.3135E-02 | 6.9179E-02 | -4.2669E-02 | 1.6199E-02 | -3.4309E-03 | 3.0463E-04 |
| S7 | 4.6008E-02 | -3.1320E-02 | 1.6428E-02 | -5.7079E-03 | 1.2064E-03 | -1.4127E-04 | 6.9419E-06 |
| S8 | 3.1256E-02 | -1.0354E-02 | 2.9840E-03 | -1.0454E-03 | 2.5780E-04 | -3.6544E-05 | 2.1305E-06 |
Table 8
Table 9
Fig. 6 A show chromatic curve on the axle of the optical imaging lens of embodiment 3, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 6 B show the astigmatism curve of the optical imaging lens of embodiment 3, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 6 C show the ratio chromatism, curve of the optical imaging lens of embodiment 3, and it represents light
Via the deviation of the different image heights after camera lens on imaging surface.Fig. 6 D show the relative of the optical imaging lens of embodiment 3
Illumination curve, it represents the relative illumination corresponding to the different angles of visual field.Understood according to Fig. 6 A to Fig. 6 D, given by embodiment 3
Optical imaging lens can realize good image quality.
Embodiment 4
The optical imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basis
The structural representation of the optical imaging lens of the embodiment of the present application 4.
As shown in fig. 7, optical imaging lens sequentially include the first lens L1, the second lens by thing side along optical axis into image side
L2, the 3rd lens L3, the 4th lens L4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11
Element.
First lens L1 has negative power, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens L1
Thing side S1 and image side surface S2 is aspherical.
Second lens L2 has negative power, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens L2
Thing side S3 and image side surface S4 is aspherical.
3rd lens L3 has positive light coke, and its thing side S5 is convex surface, and image side surface S6 is convex surface, and the 3rd lens L3
Thing side S5 and image side surface S6 is aspherical.
4th lens L4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is convex surface, and the 4th lens L4
Thing side S7 and image side surface S8 is aspherical.
Alternatively, optical imaging lens may also include the optical filter L5 with thing side S9 and image side surface S10.From object
Light sequentially through each surface S1 to S10 and being ultimately imaged on imaging surface S11.
Alternatively, diaphragm STO can be set between the second lens L2 and the 3rd lens L3, to lift image quality.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 4
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 11 is shown available for each in embodiment 4
The high order term coefficient of aspherical mirror, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
12 show total effective focal length f of optical imaging lens in embodiment 4, the effective focal length f1 to f4 of each lens, on imaging surface S11
The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV.
Table 10
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.1333E-03 | 8.7601E-04 | -3.0458E-04 | 5.2519E-05 | -5.0687E-06 | 2.5785E-07 | -5.3999E-09 |
| S2 | 4.7766E-02 | -6.9272E-02 | 1.1528E-01 | -9.4857E-02 | 4.2403E-02 | -9.4150E-03 | 7.9327E-04 |
| S3 | -7.5276E-02 | 2.8128E-02 | -2.3937E-02 | 3.6464E-02 | -2.9086E-02 | 1.1107E-02 | -1.6234E-03 |
| S4 | -5.9739E-02 | 1.0183E-01 | -2.3753E-01 | 4.1965E-01 | -4.0250E-01 | 1.9828E-01 | -3.9125E-02 |
| S5 | -9.1203E-03 | 1.0113E-02 | -1.1411E-02 | 6.1062E-03 | -1.6721E-03 | 2.7059E-04 | -2.4307E-05 |
| S6 | 9.3936E-03 | -3.4242E-03 | -4.6735E-03 | 5.8714E-03 | -3.1370E-03 | 7.9506E-04 | -7.4892E-05 |
| S7 | 1.4023E-02 | -9.9200E-03 | 4.4130E-03 | -1.5485E-03 | 3.3519E-04 | -3.9104E-05 | 1.8133E-06 |
| S8 | 2.4576E-02 | 4.1503E-04 | -1.7959E-03 | 1.0955E-03 | -3.8345E-04 | 6.2629E-05 | -3.8958E-06 |
Table 11
Table 12
Fig. 8 A show chromatic curve on the axle of the optical imaging lens of embodiment 4, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 8 B show the astigmatism curve of the optical imaging lens of embodiment 4, and it represents meridian picture
Face is bent and sagittal image surface bending.Fig. 8 C show the ratio chromatism, curve of the optical imaging lens of embodiment 4, and it represents light
Via the deviation of the different image heights after camera lens on imaging surface.Fig. 8 D show the relative of the optical imaging lens of embodiment 4
Illumination curve, it represents the relative illumination corresponding to the different angles of visual field.Understood according to Fig. 8 A to Fig. 8 D, given by embodiment 4
Optical imaging lens can realize good image quality.
Embodiment 5
The optical imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basis
The structural representation of the optical imaging lens of the embodiment of the present application 5.
As shown in figure 9, optical imaging lens sequentially include the first lens L1, the second lens by thing side along optical axis into image side
L2, the 3rd lens L3, the 4th lens L4 and imaging surface S11.Optical imaging lens, which may also include, is arranged at the photosensitive of imaging surface S11
Element.
First lens L1 has negative power, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens L1
Thing side S1 and image side surface S2 is aspherical.
Second lens L2 has negative power, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens L2
Thing side S3 and image side surface S4 is aspherical.
3rd lens L3 has positive light coke, and its thing side S5 is convex surface, and image side surface S6 is convex surface, and the 3rd lens L3
Thing side S5 and image side surface S6 is aspherical.
4th lens L4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens L4
Thing side S7 and image side surface S8 is aspherical.
Alternatively, optical imaging lens may also include the optical filter L5 with thing side S9 and image side surface S10.From object
Light sequentially through each surface S1 to S10 and being ultimately imaged on imaging surface S11.
Alternatively, diaphragm STO can be set between the second lens L2 and the 3rd lens L3, to lift image quality.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 14 is shown available for each in embodiment 5
The high order term coefficient of aspherical mirror, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
15 show total effective focal length f of optical imaging lens in embodiment 5, the effective focal length f1 to f4 of each lens, on imaging surface S11
The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV.
Table 13
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 4.5400E-03 | -5.3624E-04 | -1.4910E-05 | 1.7887E-05 | -2.5896E-06 | 1.5808E-07 | -3.6392E-09 |
| S2 | 4.4641E-02 | -3.2483E-02 | 5.6725E-02 | -4.9217E-02 | 2.3141E-02 | -5.3211E-03 | 4.5733E-04 |
| S3 | -3.2870E-02 | -9.5164E-03 | 4.7532E-02 | -6.8414E-02 | 4.8439E-02 | -1.6496E-02 | 2.1575E-03 |
| S4 | -3.1480E-02 | 1.4375E-01 | -3.7668E-01 | 6.5893E-01 | -6.6403E-01 | 3.5847E-01 | -7.8597E-02 |
| S5 | -1.2423E-02 | 4.0228E-03 | -8.0603E-04 | -4.3021E-03 | 4.1936E-03 | -1.4591E-03 | 1.7929E-04 |
| S6 | 8.3009E-03 | -5.1026E-03 | 8.2095E-04 | 1.1760E-04 | -1.2137E-04 | 1.6078E-05 | 8.7169E-07 |
| S7 | 5.2285E-03 | -2.0828E-03 | -1.4501E-03 | 1.0758E-03 | -3.3693E-04 | 4.9948E-05 | -2.8871E-06 |
| S8 | 1.5788E-02 | 2.8522E-03 | -2.9971E-03 | 1.5274E-03 | -4.8658E-04 | 7.6796E-05 | -4.6875E-06 |
Table 14
Table 15
Figure 10 A show chromatic curve on the axle of the optical imaging lens of embodiment 5, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 10 B show the astigmatism curve of the optical imaging lens of embodiment 5, and it represents meridian
Curvature of the image and sagittal image surface bending.
Figure 10 C show the ratio chromatism, curve of the optical imaging lens of embodiment 5, its represent light via after camera lens
The deviation of different image heights on imaging surface.Figure 10 D show the relative illumination curve of the optical imaging lens of embodiment 5, its
Represent the relative illumination corresponding to the different angles of visual field.Understood according to Figure 10 A to Figure 10 D, the optical imaging lens given by embodiment 5
Head can realize good image quality.
Embodiment 6
The optical imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 to Figure 12 D.Figure 11 shows root
According to the structural representation of the optical imaging lens of the embodiment of the present application 6.
As shown in figure 11, optical imaging lens along optical axis by thing side to sequentially including the first lens L1, second saturating into image side
Mirror L2, the 3rd lens L3, the 4th lens L4 and imaging surface S11.Optical imaging lens may also include the sense for being arranged at imaging surface S11
Optical element.
First lens L1 has negative power, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens L1
Thing side S1 and image side surface S2 is aspherical.
Second lens L2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens L2
Thing side S3 and image side surface S4 is aspherical.
3rd lens L3 has positive light coke, and its thing side S5 is convex surface, and image side surface S6 is convex surface, and the 3rd lens L3
Thing side S5 and image side surface S6 is aspherical.
4th lens L4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens L4
Thing side S7 and image side surface S8 is aspherical.
Alternatively, optical imaging lens may also include the optical filter L5 with thing side S9 and image side surface S10.From object
Light sequentially through each surface S1 to S10 and being ultimately imaged on imaging surface S11.
Alternatively, diaphragm STO can be set between the second lens L2 and the 3rd lens L3, to lift image quality.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 17 is shown available for each in embodiment 6
The high order term coefficient of aspherical mirror, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table
18 show total effective focal length f of optical imaging lens in embodiment 6, the effective focal length f1 to f4 of each lens, on imaging surface S11
The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV.
Table 16
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 |
| S1 | 2.3757E-02 | -7.2283E-03 | 1.3820E-03 | -1.6669E-04 | 1.2338E-05 | -5.0722E-07 | 8.8125E-09 |
| S2 | 2.5422E-02 | 8.7594E-02 | -1.6320E-01 | 1.4784E-01 | -7.5523E-02 | 2.0181E-02 | -2.1608E-03 |
| S3 | -3.7117E-02 | 1.1130E-02 | -6.4491E-02 | 1.2129E-01 | -1.0089E-01 | 4.1578E-02 | -6.8791E-03 |
| S4 | -2.9738E-02 | -5.3272E-02 | 6.4035E-01 | -2.1272E+00 | 3.5357E+00 | -2.8668E+00 | 9.1160E-01 |
| S5 | -5.5391E-02 | 2.8572E-02 | -3.5312E-02 | 2.7512E-02 | -1.2867E-02 | 4.4917E-03 | -7.8006E-04 |
| S6 | -1.0383E-01 | 3.3561E-02 | 2.4952E-02 | -5.5329E-02 | 3.9310E-02 | -1.3183E-02 | 1.7516E-03 |
| S7 | -9.9204E-02 | 4.8038E-02 | -2.6240E-02 | 9.0335E-03 | -1.9715E-03 | 2.4638E-04 | -1.3575E-05 |
| S8 | 5.0984E-02 | -1.9611E-02 | 4.8247E-03 | -1.4225E-03 | 3.4463E-04 | -4.6596E-05 | 2.5287E-06 |
Table 17
Table 18
Figure 12 A show chromatic curve on the axle of the optical imaging lens of embodiment 6, and it represents the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 12 B show the astigmatism curve of the optical imaging lens of embodiment 6, and it represents meridian
Curvature of the image and sagittal image surface bending.Figure 12 C show the ratio chromatism, curve of the optical imaging lens of embodiment 6, and it is represented
Light via the different image heights after camera lens on imaging surface deviation.Figure 12 D show the optical imaging lens of embodiment 6
Relative illumination curve, it represents the relative illumination corresponding to the different angles of visual field.Understood according to Figure 12 A to Figure 12 D, the institute of embodiment 6
The optical imaging lens provided can realize good image quality.
To sum up, embodiment 1 to embodiment 6 meets the relation shown in table 19 below respectively.
| Conditional embodiment | 1 | 2 | 3 | 4 | 5 | 6 |
| f/EPD | 1.37 | 1.28 | 1.19 | 1.38 | 1.38 | 1.48 |
| f1/f3 | -0.86 | -0.92 | -1.05 | -0.97 | -1.14 | -0.73 |
| ImgH/f | 1.79 | 1.71 | 1.91 | 1.54 | 1.34 | 1.62 |
| R2/R6 | -0.63 | -0.55 | -0.87 | -0.82 | -0.90 | -0.51 |
| R2/f | 0.85 | 1.06 | 1.11 | 0.94 | 0.94 | 0.98 |
| CT2/CT4 | 0.25 | 0.44 | 0.37 | 0.10 | 0.30 | 0.38 |
| CT2/ET2 | 0.79 | 0.96 | 0.98 | 0.57 | 0.79 | 0.97 |
| DT21/DT32 | 0.98 | 0.87 | 1.30 | 0.87 | 0.83 | 0.82 |
| DT42/ImgH | 0.91 | 0.95 | 0.73 | 0.90 | 0.90 | 0.95 |
| SAG41/SAG42 | 1.44 | 1.18 | 1.10 | 1.43 | 1.20 | 1.27 |
Table 19
The application also provides a kind of imaging device, and its electronics photo-sensitive cell can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be such as digital camera independent imaging equipment or
The image-forming module being integrated on the mobile electronic devices such as mobile phone, tablet personal computer.The imaging device is equipped with described above
Imaging lens.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (13)
1. optical imaging lens, sequentially included by thing side to image side along optical axis：First lens, the second lens, the 3rd lens and
4th lens, it is characterised in that
First lens have negative power；
3rd lens have positive light coke；
At least one in second lens and the 4th lens has positive light coke；
Second lens are in the center thickness CT2 on the optical axis and the 4th lens in the center thickness on the optical axis
CT4 meets CT2/CT4 ＜ 0.5.
2. optical imaging lens according to claim 1, it is characterised in that the image side surface of first lens is concave surface.
3. optical imaging lens according to claim 2, it is characterised in that the radius of curvature of the first lens image side surface
R2 and the optical imaging lens total effective focal length f meet 0.7 ＜ R2/f ＜ 1.3.
4. optical imaging lens according to claim 2, it is characterised in that the image side surface of the 3rd lens is convex surface,
The radius of curvature R 2 of the first lens image side surface and the radius of curvature R 6 of the 3rd lens image side surface meet -1 ＜ R2/R6
＜ -0.5.
5. optical imaging lens according to claim 1, it is characterised in that second lens are on the optical axis
Heart thickness CT2 and second lens edge thickness ET2 meet 0.5 ＜ CT2/ET2 ＜ 1.
6. optical imaging lens according to claim 1, it is characterised in that effective half mouthful of the second lens thing side
Footpath DT21 and the 3rd lens image side surface effective half bore DT32 meet 0.8 ＜ DT21/DT32 ＜ 1.4.
7. optical imaging lens according to claim 1, it is characterised in that the thing side of the 4th lens is convex surface.
8. optical imaging lens according to claim 7, it is characterised in that effective half mouthful of the 4th lens image side surface
Footpath DT42 and effective pixel area diagonal line length on the optical imaging lens imaging surface half ImgH meet 0.7 ＜ DT42/
ImgH≤1.0。
9. optical imaging lens according to claim 7, it is characterised in that meet 1.0 ＜ SAG41/SAG42 ＜ 1.5,
Wherein, SAG41 is thing side and intersection point the having to the 4th lens thing side of the optical axis of the 4th lens
Imitate the distance on the optical axis between half bore summit；And
SAG42 is the image side surface of the 4th lens and the intersection point of the optical axis to effective half mouthful of the 4th lens image side surface
Distance between the summit of footpath on the optical axis.
10. optical imaging lens according to any one of claim 1 to 4, it is characterised in that first lens have
The effective focal length f3 for imitating focal length f1 and the 3rd lens meets -1.2 ＜ f1/f3 ＜ -0.5.
11. optical imaging lens according to any one of claim 1 to 9, it is characterised in that the optical imaging lens
The Entry pupil diameters EPD of total effective focal length f and the optical imaging lens meet f/EPD ＜ 1.6.
12. optical imaging lens according to any one of claim 1 to 9, it is characterised in that the optical imaging lens
The half ImgH of effective pixel area diagonal line length and the optical imaging lens total effective focal length f meet on imaging surface
ImgH/f ＞ 1.
13. optical imaging lens, sequentially included by thing side to image side along optical axis：First lens, the second lens, the 3rd lens and
4th lens, it is characterised in that
First lens have negative power；
Second lens have focal power；
3rd lens have positive light coke, and its thing side and image side surface are convex surface；
4th lens have focal power, and its thing side is convex surface；
Total effective focal length f of the optical imaging lens and Entry pupil diameters EPD of the optical imaging lens meets f/EPD ＜
1.6。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710828050.2A CN107436478B (en) | 2017-09-14 | 2017-09-14 | Optical imaging lens |
| PCT/CN2018/085632 WO2019052200A1 (en) | 2017-09-14 | 2018-05-04 | Optical imaging camera |
| US16/273,852 US11269159B2 (en) | 2017-09-14 | 2019-02-12 | Optical imaging lens assembly |
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| CN201710828050.2A CN107436478B (en) | 2017-09-14 | 2017-09-14 | Optical imaging lens |
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| CN108008525A (en) * | 2018-01-05 | 2018-05-08 | 浙江舜宇光学有限公司 | Optical imaging system |
| CN108627954A (en) * | 2018-05-15 | 2018-10-09 | 辽宁中蓝电子科技有限公司 | A kind of imaging lens system group |
| WO2019052200A1 (en) * | 2017-09-14 | 2019-03-21 | 浙江舜宇光学有限公司 | Optical imaging camera |
| CN109581626A (en) * | 2018-12-21 | 2019-04-05 | 华为技术有限公司 | A kind of camera lens and terminal device |
| CN111751959A (en) * | 2019-03-26 | 2020-10-09 | 大立光电股份有限公司 | Optical image capturing system, image capturing device and electronic device |
| CN112305710A (en) * | 2019-07-31 | 2021-02-02 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN112462487A (en) * | 2019-09-06 | 2021-03-09 | 余姚舜宇智能光学技术有限公司 | Optical system, camera lens, camera module and laser projector |
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| CN112698473A (en) * | 2019-10-23 | 2021-04-23 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN114624855A (en) * | 2020-12-10 | 2022-06-14 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN115390218A (en) * | 2021-05-24 | 2022-11-25 | 宁波舜宇光电信息有限公司 | Optical projection lens and corresponding AR projection device |
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| CN108008525A (en) * | 2018-01-05 | 2018-05-08 | 浙江舜宇光学有限公司 | Optical imaging system |
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| CN108627954A (en) * | 2018-05-15 | 2018-10-09 | 辽宁中蓝电子科技有限公司 | A kind of imaging lens system group |
| CN108627954B (en) * | 2018-05-15 | 2024-01-23 | 辽宁中蓝光电科技有限公司 | Image pickup lens group |
| CN109581626A (en) * | 2018-12-21 | 2019-04-05 | 华为技术有限公司 | A kind of camera lens and terminal device |
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| CN111751959A (en) * | 2019-03-26 | 2020-10-09 | 大立光电股份有限公司 | Optical image capturing system, image capturing device and electronic device |
| CN111751959B (en) * | 2019-03-26 | 2022-04-08 | 大立光电股份有限公司 | Optical image capturing system, image capturing device and electronic device |
| CN112305710B (en) * | 2019-07-31 | 2022-09-30 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN112305710A (en) * | 2019-07-31 | 2021-02-02 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN112462486A (en) * | 2019-09-06 | 2021-03-09 | 余姚舜宇智能光学技术有限公司 | Optical lens |
| CN112462487B (en) * | 2019-09-06 | 2023-07-18 | 余姚舜宇智能光学技术有限公司 | Optical system, camera lens, camera module and laser projector |
| CN112462487A (en) * | 2019-09-06 | 2021-03-09 | 余姚舜宇智能光学技术有限公司 | Optical system, camera lens, camera module and laser projector |
| CN112698473B (en) * | 2019-10-23 | 2022-04-19 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN112698473A (en) * | 2019-10-23 | 2021-04-23 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN114624855A (en) * | 2020-12-10 | 2022-06-14 | 宁波舜宇车载光学技术有限公司 | Optical lens and electronic device |
| CN115390218A (en) * | 2021-05-24 | 2022-11-25 | 宁波舜宇光电信息有限公司 | Optical projection lens and corresponding AR projection device |
| TWI807831B (en) * | 2022-05-19 | 2023-07-01 | 紘立光電股份有限公司 | Optical imaging lens, imaging device and electronic device |
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