CN208110147U - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN208110147U CN208110147U CN201820310021.7U CN201820310021U CN208110147U CN 208110147 U CN208110147 U CN 208110147U CN 201820310021 U CN201820310021 U CN 201820310021U CN 208110147 U CN208110147 U CN 208110147U
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Abstract
This application discloses a kind of optical imaging lens, which sequentially includes by object side to image side along optical axis：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have positive light coke, and object side is convex surface, and image side surface is concave surface；Second lens have negative power, and image side surface is concave surface；The third lens have positive light coke or negative power；4th lens have negative power；5th lens have positive light coke, and image side surface is convex surface；6th lens have negative power, and object side and image side surface are concave surface.The effective focal length f5 and the second lens of 5th lens meet 11.5≤f5/CT2≤12.5 in the center thickness CT2 on optical axis.
Description
Technical field
This application involves a kind of optical imaging lens, more specifically, this application involves a kind of optics including six-element lens
Imaging lens.
Background technique
With the development of science and technology the electronic product with camera function is fast-developing, people are to suitable for portable electronic
The requirement of the imaging lens of product is gradually increased.Meanwhile with photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor
The progress of the technologies such as the imaging sensors such as element (CMOS), so that the size that pixel number increases single pixel simultaneously on chip reduces,
Higher requirements are also raised for this high imaging performance to the imaging lens to match.
Therefore, it is necessary to one kind to have big image planes, large aperture, the optical imaging lens of the characteristics such as ultra-thin.
Utility model content
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art
The optical imaging lens of at least one above-mentioned disadvantage.
On the one hand, this application provides such a optical imaging lens, and the optical imaging lens are along optical axis by object side
Sequentially include to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First thoroughly
Mirror can have positive light coke, and object side can be convex surface, and image side surface can be concave surface；Second lens can have negative power, picture
Side can be concave surface；The third lens have positive light coke or negative power；4th lens can have negative power；5th lens can
With positive light coke, image side surface can be convex surface；6th lens can have negative power, and object side and image side surface can be recessed
Face.Wherein, the effective focal length f5 of the 5th lens and the second lens can meet 11.5≤f5/CT2 in the center thickness CT2 on optical axis
≤12.5。
In one embodiment, total effective focal length f of optical imaging lens and the maximum half field-of-view of optical imaging lens
Angle HFOV can meet 3.8≤f × tan (HFOV) < 5.0.
In one embodiment, total effective focal length f of the optical imaging lens and Entry pupil diameters EPD of optical imaging lens
F/EPD≤1.8 can be met.
In one embodiment, the center of the object side of the first lens is to the imaging surface of optical imaging lens on optical axis
Distance TTL and optical imaging lens imaging surface on the half ImgH of effective pixel area diagonal line length can meet TTL/ImgH
≤1.4。
In one embodiment, total effective focal length f of the effective focal length f2 of the second lens and optical imaging lens can expire
- 3.0 < f2/f < -2.0 of foot.
In one embodiment, the effective focal length f5 of the total effective focal length f and the 5th lens of optical imaging lens can expire
1.1 < f/f5 < 1.6 of foot.
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f6 of the 6th lens can meet -1.7
< f1/f6 < -1.2.
In one embodiment, the song of the image side surface of the radius of curvature R 11 and the 6th lens of the object side of the 6th lens
Rate radius R12 can meet 1.5 < (R11-R12)/(R11+R12) < 2.0.
In one embodiment, the curvature of the object side of the radius of curvature R 2 and the first lens of the image side surface of the first lens
Radius R1 can meet 4.0 < R2/R1 < 5.0.
In one embodiment, spacing distance T56 and the second lens on optical axis of the 5th lens and the 6th lens and
Spacing distance T23 of the third lens on optical axis can meet 1.0≤T56/T23≤2.0.
In one embodiment, the radius of curvature R 4 of the image side surface of the effective focal length f2 and the second lens of the second lens can
Meet -3.0≤f2/R4≤- 1.5.
In one embodiment, the first lens on optical axis center thickness CT1 and the second lens on optical axis
Heart thickness CT2 can meet 2.2 < CT1/CT2 < 3.2.
On the other hand, this application provides such a optical imaging lens, and the optical imaging lens are along optical axis by object
Side to image side sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First
Lens can have positive light coke, and object side can be convex surface, and image side surface can be concave surface；Second lens can have negative power,
Image side surface can be concave surface；The third lens have positive light coke or negative power；4th lens can have negative power；5th lens
There can be positive light coke, image side surface can be convex surface；6th lens can have negative power, and object side and image side surface can be
Concave surface.Wherein, the radius of curvature R 11 of the object side of the 6th lens and the radius of curvature R 12 of the image side surface of the 6th lens can meet
1.5 < (R11-R12)/(R11+R12) < 2.0.
The application uses multi-disc (for example, six) lens, by each power of lens of reasonable distribution, face type, each
Spacing etc. on axis between the center thickness of mirror and each lens, so that above-mentioned optical imaging lens have ultra-thin, miniaturization, big
At least one beneficial effect such as image planes, large aperture, high image quality.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 1, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 2, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 3, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 4, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 5, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 6, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 7, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 8, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.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 imaging lens according to the application illustrative embodiments may include such as six lens with focal power,
That is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.This six-element lens is along optical axis
By object side to image side sequential.
In the exemplary embodiment, the first lens can have positive light coke, and object side can be convex surface, and image side surface can be
Concave surface；Second lens can have negative power, and image side surface can be concave surface；The third lens have positive light coke or negative power；
4th lens can have negative power；5th lens can have positive light coke, and image side surface can be convex surface；6th lens can have
Negative power, object side can be concave surface, and image side surface can be concave surface.
In the exemplary embodiment, the object side of the second lens can be convex surface.
In the exemplary embodiment, the image side surface of the 4th lens can be concave surface.
In the exemplary embodiment, the optical imaging lens of the application can meet 3.8≤f of conditional × tan (HFOV)
< 5.0, wherein f is total effective focal length of optical imaging lens, and HFOV is the maximum angle of half field-of view of optical imaging lens.More
Body, f and HFOV can further meet 3.8≤f × tan (HFOV) < 4.0, for example, 3.81≤f × tan (HFOV)≤3.94.
By constrain imaging lens maximum angle of half field-of view and control imaging lens effective focal length, may be implemented the big image planes of camera lens at
As effect.
In the exemplary embodiment, the optical imaging lens of the application can meet 11.5≤f5/CT2 of conditional≤
12.5, wherein f5 is the effective focal length of the 5th lens, and CT2 is the second lens in the center thickness on optical axis.More specifically, f5
11.50≤f5/CT2≤12.34 can further be met with CT2.By the effective focal length and the second lens that control the 5th lens
The ratio of center thickness is conducive to the processability for reasonably guaranteeing the second lens, and is conducive to reduce the spherical aberration of the 5th lens
Contribution rate.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional f/EPD≤1.8, wherein f
For total effective focal length of optical imaging lens, EPD is the Entry pupil diameters of optical imaging lens.More specifically, f and EPD are further
1.65≤f/EPD≤1.80 can be met.By reasonable distribution focal power and the Entry pupil diameters of imaging lens are constrained, so that having big
The imaging lens of image planes have lesser F number (that is, f/EPD), guarantee that imaging lens have large aperture imaging effect, make imaging lens
Head also has good image quality under dark situation.
In the exemplary embodiment, the optical imaging lens of the application can meet -3.0 < -2.0 < f2/f of conditional,
Wherein, f2 is the effective focal length of the second lens, and f is total effective focal length of optical imaging lens.More specifically, f2 and f are further
It can meet, -2.9 < -2.1 < f2/f, for example, -2.79≤f2/f≤- 2.13.By the effective coke for rationally controlling the second lens
Away from, can make the second lens generate positive spherical aberration.The positive spherical aberration caused by the second lens is produced with other eyeglasses in optical system
Raw negative spherical aberration balance, the imaging lens that can make field of view on axis have preferable image quality.
In the exemplary embodiment, the optical imaging lens of the application can meet 1.1 < f/f5 < 1.6 of conditional,
In, f is total effective focal length of optical imaging lens, and f5 is the effective focal length of the 5th lens.More specifically, f and f5 further may be used
Meet 1.29≤f/f5≤1.51.By rationally controlling the effective focal length of the 5th lens, the 5th lens light focus can be rationally controlled
The contribution rate of degree, and the high-order spherical aberration of imaging lens generation can be balanced.
In the exemplary embodiment, the optical imaging lens of the application can meet -1.7 < -1.2 < f1/f6 of conditional,
Wherein, f1 is the effective focal length of the first lens, and f6 is the effective focal length of the 6th lens.More specifically, f1 and f6 can further expire
Foot -1.61≤f1/f6≤- 1.39.By the ratio for rationally controlling the effective focal length of the first lens and the effective focal length of the 6th lens
Value, is capable of the focal power of reasonable distribution system, so that the positive negative spherical aberration of preceding group of lens and rear group lens is cancelled out each other.
In the exemplary embodiment, the optical imaging lens of the application can meet 1.5 < of conditional (R11-R12)/
(R11+R12) 2.0 <, wherein R11 is the radius of curvature of the object side of the 6th lens, and R12 is the song of the image side surface of the 6th lens
Rate radius.More specifically, R11 and R12 can further meet 1.54≤(R11-R12)/(R11+R12)≤1.84.Pass through constraint
The difference of the radius of curvature of the radius of curvature and image side surface of 6th lens object side and the radius of curvature and picture of the 6th lens object side
The ratio of the sum of the radius of curvature of side has imaging lens good so that the coma of visual field and the outer visual field of axis is smaller on axis
Image quality.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional TTL/ImgH≤1.4,
In, TTL is the center of the object side of the first lens to distance of the imaging surface on optical axis of optical imaging lens, and ImgH is optics
The half of effective pixel area diagonal line length on the imaging surface of imaging lens.More specifically, TTL and ImgH can further meet
1.36≤TTL/ImgH≤1.40.By controlling the optics total length of imaging lens and the ratio of image height, optical system may be implemented
The characteristic of system ultrathin and high pixel.
In the exemplary embodiment, the optical imaging lens of the application can meet 4.0 < R2/R1 < 5.0 of conditional,
In, R2 is the radius of curvature of the image side surface of the first lens, and R1 is the radius of curvature of the object side of the first lens.More specifically, R2
4.5 < R2/R1 < 4.9 can further be met with R1, for example, 4.57≤R2/R1≤4.88.By constraining the first lens object side
Radius of curvature and image side surface radius of curvature ratio, can rationally control contribution of first lens to imaging lens astigmatism
Amount.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional 1.0≤T56/T23≤2.0,
Wherein, T56 is the spacing distance of the 5th lens and the 6th lens on optical axis, and T23 is the second lens and the third lens in optical axis
On spacing distance.More specifically, T56 and T23 can further meet 1.3≤T56/T23≤1.9, for example, 1.40≤T56/
T23≤1.87.Existed by the airspace of constraint the 5th lens and the 6th lens on optical axis with the second lens and the third lens
The ratio of airspace on optical axis controls the curvature of field contribution amount of each visual field of system in reasonable range.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional -3.0≤f2/R4≤- 1.5,
Wherein, f2 is the effective focal length of the second lens, and R4 is the radius of curvature of the image side surface of the second lens.More specifically, f2 and R4 into
One step can meet -2.98≤f2/R4≤- 1.56.By controlling the effective focal length of the second lens and the song of the second lens image side surface
The ratio of rate radius makes the curvature of field contribution amount of the second lens image side surface in reasonable range, to balance caused by subsequent lens
Curvature of field amount.
In the exemplary embodiment, the optical imaging lens of the application can meet 2.2 < CT1/CT2 < 3.2 of conditional,
Wherein, CT1 is the first lens in the center thickness on optical axis, and CT2 is the second lens in the center thickness on optical axis.More specifically
Ground, CT1 and CT2 can further meet 2.38≤CT1/CT2≤3.09.By controlling the center thickness and second of the first lens thoroughly
The distortion contribution amount of each visual field of system is controlled in reasonable range, finally makes system by the ratio of the center thickness of mirror
Amount of distortion promotes the image quality of imaging lens in 3%.
In the exemplary embodiment, above-mentioned optical imaging lens may also include at least one diaphragm, to promote camera lens
Image quality.Diaphragm can be set as needed to be located at an arbitrary position, for example, diaphragm may be provided between object side and the first lens.
Optionally, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting
The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above six can be used according to the optical imaging lens of the above embodiment of the application
Piece.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng can effectively reduce the volume of imaging lens, reduce the susceptibility of imaging lens and improve the machinabilitys of imaging lens, make
Optical imaging lens are obtained to be more advantageous to production and processing and be applicable to portable electronic product.Meanwhile through the above configuration
Optical imaging lens also have the beneficial effect such as big image planes, large aperture, high image quality, low sensitivity.
In presently filed embodiment, at least one of mirror 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 solution the case where
Under, the lens numbers for constituting optical imaging lens can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described by taking six lens as an example in embodiments, which is not limited to include six
Lens.If desired, the optical imaging lens may also include the lens of other quantity.
The specific embodiment for being applicable to the optical imaging lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the optical imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to this
Apply for the structural schematic diagram of the optical imaging lens of embodiment 1.
As shown in Figure 1, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
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 radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of any one lens of the first lens E1 into the 6th lens E6 and image side surface are
It is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical formula and is defined：
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of mirror surface S1-S124、A6、A8、A10、A12、A14、A16、A18And A20。
Table 2
Table 3 provides the effective focal length f1 to f6 of each lens in embodiment 1, total effective focal length f of optical imaging lens, first
The center of the object side S1 of lens E1 is to imaging surface S15 effective pixel area on distance TTL and imaging surface S15 on optical axis
The half ImgH of diagonal line length.
Table 3
Optical imaging lens in embodiment 1 meet：
F × tan (HFOV)=3.81, wherein f is total effective focal length of optical imaging lens, and HFOV is optical imaging lens
The maximum angle of half field-of view of head；
F5/CT2=12.27, wherein f5 is the effective focal length of the 5th lens E5, and CT2 is the second lens E2 on optical axis
Center thickness；
F/EPD=1.65, wherein f is total effective focal length of optical imaging lens, and EPD is the entrance pupil of optical imaging lens
Diameter；
F2/f=-2.66, wherein f2 is the effective focal length of the second lens E2, and f is total effective coke of optical imaging lens
Away from；
F/f5=1.46, wherein f is total effective focal length of optical imaging lens, and f5 is the effective focal length of the 5th lens E5；
F1/f6=-1.56, wherein f1 is the effective focal length of the first lens E1, and f6 is the effective focal length of the 6th lens E6；
(R11-R12)/(R11+R12)=1.54, wherein R11 is the radius of curvature of the object side S11 of the 6th lens E6,
R12 is the radius of curvature of the image side surface S12 of the 6th lens E6；
TTL/ImgH=1.38, wherein the center that TTL is the object side S1 of the first lens E1 is to imaging surface S15 in optical axis
On distance, ImgH be imaging surface S15 on effective pixel area diagonal line length half；
R2/R1=4.57, wherein R2 is the radius of curvature of the image side surface S2 of the first lens E1, and R1 is the first lens E1's
The radius of curvature of object side S1；
T56/T23=1.40, wherein T56 is spacing distance of the 5th lens E5 and the 6th lens E6 on optical axis, T23
For the spacing distance of the second lens E2 and the third lens E3 on optical axis；
F2/R4=-2.98, wherein f2 is the effective focal length of the second lens E2, and R4 is the image side surface S4's of the second lens E2
Radius of curvature；
CT1/CT2=3.09, wherein CT1 is the first lens E1 in the center thickness on optical axis, and CT2 is the second lens E2
In the center thickness on optical axis.
Fig. 2A shows chromatic curve on the axis of the optical imaging lens of embodiment 1, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imaging lens of embodiment 1, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imaging lens of embodiment 1, indicates different perspectives
In the case of distortion sizes values.Fig. 2 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to fig. 2 A to Fig. 2 D it is found that optics given by embodiment 1 at
As camera lens can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imaging lens of 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 schematic diagram.
As shown in figure 3, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
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 radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 provides the effective focal length f1 to f6 of each lens in embodiment 2, total effective focal length f of optical imaging lens, first
The center of the object side S1 of lens E1 is to imaging surface S15 effective pixel area on distance TTL and imaging surface S15 on optical axis
The half ImgH of diagonal line length.
| f1(mm) | 4.06 | f6(mm) | -2.59 |
| f2(mm) | -11.78 | f(mm) | 4.23 |
| f3(mm) | 798.44 | TTL(mm) | 5.45 |
| f4(mm) | -14.91 | ImgH(mm) | 3.93 |
| f5(mm) | 2.83 |
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imaging lens of embodiment 2, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imaging lens of embodiment 2, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imaging lens of embodiment 2, indicates different perspectives
In the case of distortion sizes values.Fig. 4 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optics given by embodiment 2 at
As camera lens can be realized 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 schematic diagram of the optical imaging lens of the embodiment of the present application 3.
As shown in figure 5, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
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 radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 8
Table 9 provides the effective focal length f1 to f6 of each lens in embodiment 3, total effective focal length f of optical imaging lens, first
The center of the object side S1 of lens E1 is to imaging surface S15 effective pixel area on distance TTL and imaging surface S15 on optical axis
The half ImgH of diagonal line length.
| f1(mm) | 4.05 | f6(mm) | -2.59 |
| f2(mm) | -11.65 | f(mm) | 4.23 |
| f3(mm) | 213.10 | TTL(mm) | 5.45 |
| f4(mm) | -14.25 | ImgH(mm) | 3.93 |
| f5(mm) | 2.85 |
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imaging lens of embodiment 3, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imaging lens of embodiment 3, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imaging lens of embodiment 3, indicates different perspectives
In the case of distortion sizes values.Fig. 6 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optics given by embodiment 3 at
As camera lens can be realized 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 schematic diagram of the optical imaging lens of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
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 radius of curvature and the unit of thickness are millimeter (mm).
Table 10
As shown in Table 10, in example 4, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 11
Table 12 provides the effective focal length f1 to f6 of each lens in embodiment 4, total effective focal length f of optical imaging lens,
The center of the object side S1 of one lens E1 to the effective pixel region on distance TTL and imaging surface S15 on optical axis imaging surface S15
The half ImgH of domain diagonal line length.
| f1(mm) | 4.09 | f6(mm) | -2.67 |
| f2(mm) | -10.82 | f(mm) | 4.22 |
| f3(mm) | 135.17 | TTL(mm) | 5.45 |
| f4(mm) | -15.24 | ImgH(mm) | 3.93 |
| f5(mm) | 2.82 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imaging lens of embodiment 4, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imaging lens of embodiment 4, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imaging lens of embodiment 4, indicates different perspectives
In the case of distortion sizes values.Fig. 8 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optics given by embodiment 4 at
As camera lens can be realized 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 schematic diagram of the optical imaging lens of the embodiment of the present application 5.
As shown in figure 9, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
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 radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 14
Table 15 provides the effective focal length f1 to f6 of each lens in embodiment 5, total effective focal length f of optical imaging lens,
The center of the object side S1 of one lens E1 to the effective pixel region on distance TTL and imaging surface S15 on optical axis imaging surface S15
The half ImgH of domain diagonal line length.
| f1(mm) | 4.09 | f6(mm) | -2.54 |
| f2(mm) | -11.46 | f(mm) | 4.23 |
| f3(mm) | 19.63 | TTL(mm) | 5.45 |
| f4(mm) | -8.87 | ImgH(mm) | 3.93 |
| f5(mm) | 2.80 |
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imaging lens of embodiment 5, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imaging lens of embodiment 5, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imaging lens of embodiment 5, indicates different
Distortion sizes values in the case of visual angle.Figure 10 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 10 A to Figure 10 D it is found that given by embodiment 5
Optical imaging lens can be realized 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 schematic diagram of the optical imaging lens of the embodiment of the present application 6.
As shown in figure 11, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
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 radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 17
Table 18 provides the effective focal length f1 to f6 of each lens in embodiment 6, total effective focal length f of optical imaging lens,
The center of the object side S1 of one lens E1 to the effective pixel region on distance TTL and imaging surface S15 on optical axis imaging surface S15
The half ImgH of domain diagonal line length.
| f1(mm) | 4.08 | f6(mm) | -2.60 |
| f2(mm) | -10.67 | f(mm) | 4.35 |
| f3(mm) | 26.45 | TTL(mm) | 5.48 |
| f4(mm) | -13.04 | ImgH(mm) | 4.03 |
| f5(mm) | 2.95 |
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imaging lens of embodiment 6, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imaging lens of embodiment 6, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imaging lens of embodiment 6, indicates different
Distortion sizes values in the case of visual angle.Figure 12 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 12 A to Figure 12 D it is found that given by embodiment 6
Optical imaging lens can be realized good image quality.
Embodiment 7
The optical imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 to Figure 14 D.Figure 13 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 7.
As shown in figure 13, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 7
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 20
Table 21 provides the effective focal length f1 to f6 of each lens in embodiment 7, total effective focal length f of optical imaging lens,
The center of the object side S1 of one lens E1 to the effective pixel region on distance TTL and imaging surface S15 on optical axis imaging surface S15
The half ImgH of domain diagonal line length.
| f1(mm) | 3.98 | f6(mm) | -2.87 |
| f2(mm) | -9.67 | f(mm) | 4.54 |
| f3(mm) | 59.73 | TTL(mm) | 5.59 |
| f4(mm) | -21.22 | ImgH(mm) | 4.03 |
| f5(mm) | 3.45 |
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imaging lens of embodiment 7, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imaging lens of embodiment 7, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imaging lens of embodiment 7, indicates different
Distortion sizes values in the case of visual angle.Figure 14 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 14 A to Figure 14 D it is found that given by embodiment 7
Optical imaging lens can be realized good image quality.
Embodiment 8
The optical imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 8.
As shown in figure 15, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence includes：Diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th are thoroughly
Mirror E6, optical filter E7 and imaging surface S15.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.Optical filter E7 has object side S13 and image side surface S14.From object
Light sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 8
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of any one lens of the first lens E1 into the 6th lens E6
It is aspherical with image side surface.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 23
Table 24 provides the effective focal length f1 to f6 of each lens in embodiment 8, total effective focal length f of optical imaging lens,
The center of the object side S1 of one lens E1 to the effective pixel region on distance TTL and imaging surface S15 on optical axis imaging surface S15
The half ImgH of domain diagonal line length.
| f1(mm) | 4.03 | f6(mm) | -2.84 |
| f2(mm) | -9.77 | f(mm) | 4.46 |
| f3(mm) | 21.22 | TTL(mm) | 5.59 |
| f4(mm) | -12.52 | ImgH(mm) | 4.00 |
| f5(mm) | 3.45 |
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imaging lens of embodiment 8, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imaging lens of embodiment 8, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imaging lens of embodiment 8, indicates different
Distortion sizes values in the case of visual angle.Figure 16 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 8, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 16 A to Figure 16 D it is found that given by embodiment 8
Optical imaging lens can be realized good image quality.
To sum up, embodiment 1 to embodiment 8 meets relationship shown in table 25 respectively.
Table 25
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to
The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above
Head.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.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 (24)
1. optical imaging lens sequentially include by object side to image side along optical axis：First lens, the second lens, the third lens,
Four lens, the 5th lens and the 6th lens,
It is characterized in that,
First lens have positive light coke, and object side is convex surface, and image side surface is concave surface；
Second lens have negative power, and image side surface is concave surface；
The third lens have positive light coke or negative power；
4th lens have negative power；
5th lens have positive light coke, and image side surface is convex surface；
6th lens have negative power, and object side and image side surface are concave surface；
The effective focal length f5 of 5th lens and second lens meet 11.5 in the center thickness CT2 on the optical axis≤
f5/CT2≤12.5。
2. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens
The maximum angle of half field-of view HFOV of f and the optical imaging lens meets 3.8≤f × tan (HFOV) < 5.0.
3. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens
The Entry pupil diameters EPD of f and the optical imaging lens meets f/EPD≤1.8.
4. optical imaging lens according to claim 1, which is characterized in that the center of the object side of first lens is extremely
The imaging surface of the optical imaging lens is effective on the imaging surface of distance TTL and the optical imaging lens on the optical axis
The half ImgH of pixel region diagonal line length meets TTL/ImgH≤1.4.
5. optical imaging lens according to any one of claim 1 to 4, which is characterized in that second lens have
The total effective focal length f for imitating focal length f2 and the optical imaging lens meets -3.0 < f2/f < -2.0.
6. optical imaging lens according to any one of claim 1 to 4, which is characterized in that the optical imaging lens
Total effective focal length f and the 5th lens effective focal length f5 meet 1.1 < f/f5 < 1.6.
7. optical imaging lens according to any one of claim 1 to 4, which is characterized in that first lens have
The effective focal length f6 for imitating focal length f1 and the 6th lens meets -1.7 < f1/f6 < -1.2.
8. optical imaging lens according to any one of claim 1 to 4, which is characterized in that the object of the 6th lens
The radius of curvature R 12 of the image side surface of the radius of curvature R 11 of side and the 6th lens meets 1.5 < (R11-R12)/(R11+
R12) 2.0 <.
9. optical imaging lens according to any one of claim 1 to 4, which is characterized in that the picture of first lens
The radius of curvature R 1 of the object side of the radius of curvature R 2 of side and first lens meets 4.0 < R2/R1 < 5.0.
10. optical imaging lens according to any one of claim 1 to 4, which is characterized in that the 5th lens and institute
State the 6th lens on the optical axis spacing distance T56 and second lens and the third lens on the optical axis
Spacing distance T23 meets 1.0≤T56/T23≤2.0.
11. optical imaging lens according to any one of claim 1 to 4, which is characterized in that second lens have
The radius of curvature R 4 for imitating the image side surface of focal length f2 and second lens meets -3.0≤f2/R4≤- 1.5.
12. optical imaging lens according to any one of claim 1 to 4, which is characterized in that first lens are in institute
The center thickness CT1 and second lens stated on optical axis meets 2.2 < CT1/CT2 in the center thickness CT2 on the optical axis
< 3.2.
13. optical imaging lens sequentially include by object side to image side along optical axis：First lens, the second lens, the third lens,
4th lens, the 5th lens and the 6th lens,
It is characterized in that,
First lens have positive light coke, and object side is convex surface, and image side surface is concave surface；
Second lens have negative power, and image side surface is concave surface；
The third lens have positive light coke or negative power；
4th lens have negative power；
5th lens have positive light coke, and image side surface is convex surface；
6th lens have negative power, and object side and image side surface are concave surface；
The radius of curvature R 12 of the image side surface of the radius of curvature R 11 and the 6th lens of the object side of 6th lens meets
1.5 < (R11-R12)/(R11+R12) < 2.0.
14. optical imaging lens according to claim 13, which is characterized in that the effective focal length f1 of first lens with
The effective focal length f6 of 6th lens meets -1.7 < f1/f6 < -1.2.
15. optical imaging lens according to claim 13, which is characterized in that the effective focal length f2 of second lens with
Total effective focal length f of the optical imaging lens meets -3.0 < f2/f < -2.0.
16. optical imaging lens according to claim 15, which is characterized in that the effective focal length f2 of second lens with
The radius of curvature R 4 of the image side surface of second lens meets -3.0≤f2/R4≤- 1.5.
17. optical imaging lens according to claim 13, which is characterized in that total effective coke of the optical imaging lens
Effective focal length f5 away from f and the 5th lens meets 1.1 < f/f5 < 1.6.
18. optical imaging lens according to claim 17, which is characterized in that the effective focal length f5 of the 5th lens with
Second lens meet 11.5≤f5/CT2≤12.5 in the center thickness CT2 on the optical axis.
19. optical imaging lens according to claim 13, which is characterized in that the curvature of the image side surface of first lens
The radius of curvature R 1 of the object side of radius R2 and first lens meets 4.0 < R2/R1 < 5.0.
20. optical imaging lens according to claim 13, which is characterized in that the center of the object side of first lens
Imaging surface to the optical imaging lens has on the imaging surface of distance TTL and the optical imaging lens on the optical axis
The half ImgH of effect pixel region diagonal line length meets TTL/ImgH≤1.4.
21. optical imaging lens according to claim 20, which is characterized in that the 5th lens and the 6th lens
In the spacing distance T56 and the spacing distance of second lens and the third lens on the optical axis on the optical axis
T23 meets 1.0≤T56/T23≤2.0.
22. optical imaging lens according to claim 20, which is characterized in that first lens are on the optical axis
Center thickness CT1 and second lens are in the 2.2 < CT1/CT2 < 3.2 of center thickness CT2 satisfaction on the optical axis.
23. optical imaging lens according to claim 13, which is characterized in that total effective coke of the optical imaging lens
Entry pupil diameters EPD away from f and the optical imaging lens meets f/EPD≤1.8.
24. optical imaging lens according to claim 23, which is characterized in that total effective coke of the optical imaging lens
Maximum angle of half field-of view HFOV away from f and the optical imaging lens meets 3.8≤f × tan (HFOV) < 5.0.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109270665A (en) * | 2018-12-04 | 2019-01-25 | 广东旭业光电科技股份有限公司 | Optical imaging lens and electronic equipment |
| CN109270664A (en) * | 2018-12-04 | 2019-01-25 | 广东旭业光电科技股份有限公司 | A kind of optical imaging lens and the photographic device using the optical imaging lens |
| CN109459842A (en) * | 2018-12-31 | 2019-03-12 | 瑞声光电科技(常州)有限公司 | Camera optical camera lens |
| JP2020109473A (en) * | 2018-12-31 | 2020-07-16 | エーエーシー テクノロジーズ ピーティーイー リミテッド | Imaging optical lens |
| JP2020109472A (en) * | 2018-12-31 | 2020-07-16 | エーエーシー テクノロジーズ ピーティーイー リミテッド | Imaging optical lens |
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