CN108614347A - Camera-lens system - Google Patents
Camera-lens system Download PDFInfo
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- CN108614347A CN108614347A CN201810797030.8A CN201810797030A CN108614347A CN 108614347 A CN108614347 A CN 108614347A CN 201810797030 A CN201810797030 A CN 201810797030A CN 108614347 A CN108614347 A CN 108614347A
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- lens
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- lens system
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- optical axis
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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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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Abstract
This application discloses a kind of camera-lens system, which includes sequentially by object side to image side along optical axis：First lens, the second lens, the third lens, the 4th lens and the 5th lens.Wherein, the first lens have positive light coke；It is concave surface that second lens, which have negative power, image side surface,；It is concave surface that the third lens, which have positive light coke, object side,；It is convex surface that 4th lens, which have focal power, object side,；It is concave surface that 5th lens, which have positive light coke, image side surface,；And first distance TTL of the imaging surface on optical axis and the half ImgH of effective pixel area diagonal line length on imaging surface of object side to camera-lens system of lens meet TTL/ImgH ＜ 1.5.
Description
Technical field
This application involves a kind of camera-lens systems, more specifically, this application involves it is a kind of include five lens camera shooting
Lens system.
Background technology
In recent years, with the continuous development of the portable electronic products such as such as smart mobile phone, it is applied on smart mobile phone
Camera-lens system be faced with high pixel, low cost, miniaturization challenge.For the preposition camera lens of mobile phone, stringent
In the case of control cost, the preposition camera lens of five chips still occupies the dominant position of Vehicles Collected from Market.
Currently, mobile phone market increasingly pursues the high-resolution of pick-up lens and lightening, big image planes and short system length
The principal element considered as major cell phone manufacturer.Big image planes mean that higher image resolution ratio, short system length can be provided
Mean can to make camera lens become more miniaturization with it is lightening, also can preferably reduce cost.
Invention content
This application provides the camera shooting that can at least solve or partly solve above-mentioned at least one disadvantage in the prior art is saturating
Mirror system, for example, the preposition pick-up lens of mobile phone.
On the one hand, this application provides such a camera-lens system, the system along optical axis by object side to image side sequentially
Including：First lens, the second lens, the third lens, the 4th lens and the 5th lens.First lens can have positive light coke；The
Two lens can have negative power, and image side surface can be concave surface；The third lens can have positive light coke, and object side can be recessed
Face；4th lens have positive light coke or negative power, and object side can be convex surface；5th lens can have positive light coke,
Image side surface can be concave surface.Wherein, the object side of the first lens to camera-lens system distance TTL of the imaging surface on optical axis with
The half ImgH of effective pixel area diagonal line length can meet TTL/ImgH ＜ 1.5 on the imaging surface of camera-lens system.
In one embodiment, the curvature of the image side surface of the radius of curvature R 4 and the 5th lens of the image side surface of the second lens
Radius R10 can meet 3≤(R4+R10)/(R4-R10) ＜ 10.
In one embodiment, the object side of the 5th lens can have the point of inflexion, and the object side of the 5th lens is remote
Axis region has convex portions.
In one embodiment, the 4th lens on optical axis center thickness CT4 and the 5th lens on optical axis
Heart thickness CT5 can meet 0.2 ＜ CT4/CT5 ＜ 0.6.
In one embodiment, total effective focal length f of the effective focal length f4 of the 4th lens and camera-lens system can expire
3 ＜ of foot | f4 |/f ＜ 9.
In one embodiment, in the first lens to the 5th lens the edge thickness of each lens summation ∑ ET and first
Lens can meet 0.5 ＜ ∑ ET/ ∑ CT ＜ 0.9 to the 5th lens respectively at the summation ∑ CT of the center thickness on optical axis.
In one embodiment, the edge thickness ET1 of the first lens and edge thickness ET2 of the second lens can meet
0.6 ＜ ET1/ET2 ＜ 1.
In one embodiment, total effective coke of the radius of curvature R 9 of the object side of the 5th lens and camera-lens system
It can meet 0.2 ＜ R9/f ＜ 0.7 away from f.
In one embodiment, the edge thickness ET5 of the 5th lens and the 5th lens are in the center thickness CT5 on optical axis
0.35 ＜ ET5/CT5 ＜ 0.8 can be met.
In one embodiment, spacing distance of two lens of arbitrary neighborhood on optical axis in the first lens to the 5th lens
Summation ∑ T and the object side of the first lens to camera-lens system imaging surface on optical axis distance TTL can meet 0.25
＜ ∑s T/TTL≤0.3.
In one embodiment, total effective focal length f of camera-lens system and the effective focal length f3 of the third lens can expire
0 ＜ f/f3 ＜ 0.3 of foot.
In one embodiment, the object side of the first lens to camera-lens system distance of the imaging surface on optical axis
TTL, camera-lens system imaging surface on the half ImgH of effective pixel area diagonal line length and the F numbers of camera-lens system
Fno can meet TTL × Fno/ImgH ＜ 3.2.
In one embodiment, spacing distance T34 and the 4th lens on optical axis of the third lens and the 4th lens and
Spacing distance T45 of 5th lens on optical axis can meet 2.0 ＜ T34/T45 ＜ 3.5.
On the other hand, present invention also provides such a camera-lens system, the lens system along optical axis by object side extremely
Image side includes sequentially：First lens, the second lens, the third lens, the 4th lens and the 5th lens.First lens can have positive light
Focal power；Second lens can have negative power, and image side surface can be concave surface；The third lens can have positive light coke；4th lens
With positive light coke or negative power, object side can be convex surface；5th lens can have positive light coke, and image side surface can be recessed
Face.Wherein, the object side of the first lens to camera-lens system distance TTL, camera-lens system of the imaging surface on optical axis
Imaging surface on the half ImgH of the effective pixel area diagonal line length and F numbers Fno of camera-lens system can meet TTL × Fno/
ImgH ＜ 3.2；And the spacing distance T34 and the 4th lens and the 5th lens of the third lens and the 4th lens on optical axis are in light
Spacing distance T45 on axis can meet 2.0 ＜ T34/T45 ＜ 3.5.
Another aspect, present invention also provides such a camera-lens system, the lens system along optical axis by object side extremely
Image side includes sequentially：First lens, the second lens, the third lens, the 4th lens and the 5th lens.First lens can have positive light
Focal power；Second lens can have negative power, and image side surface can be concave surface；The third lens can have positive light coke；4th lens
With positive light coke or negative power, object side can be convex surface；5th lens can have positive light coke, and image side surface can be recessed
Face.Wherein, total effective focal length f of the effective focal length f4 of the 4th lens and camera-lens system can meet 3 ＜ | f4 |/f ＜ 9.
The application uses five lens, passes through each power of lens of reasonable distribution, the center thickness of face type, each lens
And spacing etc. on the axis between each lens so that above-mentioned camera-lens system has high image quality, miniaturization and low cost
Etc. at least one advantageous effect.
Description of the drawings
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 camera-lens system according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the camera-lens system of embodiment 1, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the camera-lens system according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axis of the camera-lens system of embodiment 2, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the camera-lens system according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axis of the camera-lens system of embodiment 3, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the camera-lens system according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axis of the camera-lens system of embodiment 4, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the camera-lens system according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axis of the camera-lens system of embodiment 5, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the camera-lens system according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axis of the camera-lens system of embodiment 6, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the camera-lens system according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axis of the camera-lens system of embodiment 7, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve.
Specific implementation mode
Refer to the attached drawing is made more detailed description by the application in order to better understand to the various aspects of the application.It answers
Understand, the description of the only illustrative embodiments to 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.It includes associated institute to state "and/or"
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, and does not indicate that 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 convenience 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；Distal shaft region refers to the region of optical axis other than around, i.e.,
Leave the region of optical axis.If lens surface is convex surface and does not define the convex surface position, then it represents that the lens surface is to less than close
Axis region is concave surface；If lens surface is concave surface and does not define the concave surface position, then it represents that the lens surface is to less than paraxial
Region is concave surface.In each lens, the surface of closer object side is known as the object side of the lens；In each lens, closer picture
The surface of side is known as the image side surface of the lens.
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 being used in bright book, but does not preclude the presence or addition of one or more
Other features, component, assembly unit and/or combination thereof.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of row 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 the meaning consistent with their meanings 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.
It may include such as five lens with focal power according to the camera-lens system of the application illustrative embodiments,
That is, the first lens, the second lens, the third lens, the 4th lens and the 5th lens.This five lens are along optical axis by object side to picture
Side sequential, and can have airspace between each adjacent lens.
In the exemplary embodiment, the first lens can have positive light coke；Second lens can have negative power, picture
Side can be concave surface；The third lens can have positive light coke；4th lens have positive light coke or negative power, and object side can
For convex surface；5th lens can have positive light coke, and image side surface can be concave surface.Optionally, the object side of the third lens can be recessed
Face.The face type and focal power of each lens of reasonable disposition can reduce tolerance sensitivity, make while ensureing Performance of Optical System
It is with preferable volume production feasibility.
In the exemplary embodiment, the first lens can have positive light coke；Second lens can have negative power, picture
Side can be concave surface；The third lens can have positive light coke；4th lens have positive light coke or negative power, and object side can
For convex surface；5th lens can have positive light coke, and image side surface can be concave surface.The face type and focal power of each lens of reasonable disposition,
It can reduce tolerance sensitivity while ensureing Performance of Optical System, make it have preferable volume production feasibility.
In the exemplary embodiment, the object side of the first lens can be convex surface.
In the exemplary embodiment, the object side of the 5th lens can have at least one point of inflexion so that the 5th lens
Object side distal shaft region have at least one convex portions.Optionally, the object side of the 5th lens can be convex surface.When the 5th
When the object side of lens is convex surface, is at least had by near axis area to distal shaft region and become recessed, the face type convex by concave change again by convex
Variation tendency.Rationally the face type of the 5th lens of setting is, it can be achieved that effective of chief ray incidence angles (CRA) and the chip of each visual field
Match, improves image quality.
In the exemplary embodiment, the camera-lens system of the application can meet conditional TTL/ImgH ＜ 1.5,
In, TTL is the object side of the first lens to distance of the imaging surface on optical axis of camera-lens system, and ImgH is imaging lens system system
The half of effective pixel area diagonal line length on the imaging surface of system.More specifically, TTL and ImgH can further meet 1.1 ＜
TTL/ImgH ＜ 1.5, such as 1.32≤TTL/ImgH≤1.42.Meet conditional TTL/ImgH ＜ 1.5, can ensure that camera lens is small
Lens system is set to meet high-resolution requirement while type.
In the exemplary embodiment, the camera-lens system of the application can meet conditional 3≤(R4+R10)/(R4-
R10) 10 ＜, wherein R4 is the radius of curvature of the image side surface of the second lens, and R10 is the radius of curvature of the image side surface of the 5th lens.
More specifically, R4 and R10 can further meet 3.00≤(R4+R10)/(R4-R10)≤7.10.Meet conditional 3≤(R4+
R10, can be with the second power of lens of rational allocation)/(R4-R10) when ＜ 10, and then realize miniaturization and the work of lens system
Skill requirement.
In the exemplary embodiment, the camera-lens system of the application can meet conditional TTL × Fno/ImgH ＜
3.2, wherein TTL is the object side of the first lens to distance of the imaging surface on optical axis of camera-lens system, and ImgH is camera shooting
The half of effective pixel area diagonal line length on the imaging surface of lens system, Fno are the F numbers of camera-lens system.More specifically,
TTL, Fno and ImgH can further meet 2.6 ＜ TTL × Fno/ImgH ＜ 3.0, such as 2.73≤TTL × Fno/ImgH≤
2.91.Meet conditional TTL × Fno/ImgH ＜ 3.2, is conducive to increase the light-inletting quantity in the system unit time, while also advantageous
Meet miniaturization and high-resolution requirement in making lens system.
In the exemplary embodiment, the camera-lens system of the application can meet 2.0 ＜ T34/T45 ＜ 3.5 of conditional,
Wherein, T34 is the spacing distance of the third lens and the 4th lens on optical axis, and T45 is the 4th lens and the 5th lens in optical axis
On spacing distance.More specifically, T34 and T45 can further meet 2.10≤T34/T45≤3.30.Meet 2.0 ＜ of conditional
T34/T45 ＜ 3.5 can effectively configure spacing distance on the axis between each lens, reduce the gap sensibility of lens system, realize field
Song correction.
In the exemplary embodiment, the camera-lens system of the application can meet 0.2 ＜ CT4/CT5 ＜ 0.6 of conditional,
Wherein, CT4 is the 4th lens in the center thickness on optical axis, and CT5 is the 5th lens in the center thickness on optical axis.More specifically
Ground, CT4 and CT5 can further meet 0.25≤CT4/CT5≤0.57.The center of the 4th lens of reasonable disposition and the 5th lens is thick
Degree, can effectively reduce the thickness-sensitive of camera lens, and then be conducive to lens system meet can processing technology requirement.
In the exemplary embodiment, the camera-lens system of the application can meet 3 ＜ of conditional | f4 |/f ＜ 9, wherein
F4 is the effective focal length of the 4th lens, and f is total effective focal length of camera-lens system.More specifically, f4 and f can further meet
3.69≤|f4|/f≤8.44.Reasonable disposition system focal power, it is ensured that the compactedness of optical system structure meets miniaturization and wants
It asks.
In the exemplary embodiment, the camera-lens system of the application can meet 0.5 ＜ ∑ ET/ ∑ CT ＜ of conditional
0.9, wherein ∑ ET is the summation of the edge thickness of each lens in the first lens to the 5th lens, and ∑ CT is the first lens to the
Summation of five lens respectively at the center thickness on optical axis.More specifically, ∑ ET and ∑ CT can further meet 0.68≤∑ ET/
∑CT≤0.74.The first lens of reasonable disposition are conducive to reality to the ratio of the edge overall thickness and center overall thickness of the 5th lens
Now big work image planes and meet miniature requirement；Meanwhile also help the curvature of field of balance system edge and central vision, improve at
Image sharpness.
In the exemplary embodiment, the camera-lens system of the application can meet 0.6 ＜ ET1/ET2 ＜ 1 of conditional,
In, ET1 is the edge thickness of the first lens, and ET2 is the edge thickness of the second lens.More specifically, ET1 and ET2 further may be used
Meet 0.70≤ET1/ET2≤0.96.By configuring the ratio of the edge thickness of the first lens and the edge thickness of the second lens,
Effective focal power that the first lens and the second lens can be reduced indirectly, to avoid due to single lens undertake larger focal power
Caused tolerance is sensitive, and then can effectively improve molding yield.
In the exemplary embodiment, the camera-lens system of the application can meet 0.2 ＜ R9/f ＜ 0.7 of conditional,
In, R9 is the radius of curvature of the object side of the 5th lens, and f is total effective focal length of camera-lens system.More specifically, R9 and f
0.32≤R9/f≤0.53 can further be met.Meet 0.2 ＜ R9/f ＜ 0.7 of conditional, system spherical aberration can be effectively eliminated, obtains
High-definition image.
In the exemplary embodiment, the camera-lens system of the application can meet 0.35 ＜ ET5/CT5 ＜ of conditional
0.8, wherein ET5 is the edge thickness of the 5th lens, and CT5 is the 5th lens in the center thickness on optical axis.More specifically, ET5
It can further meet 0.37≤ET5/CT5≤0.67 with CT5.The thickness ratio of the 5th lens of reasonable disposition can make its satisfaction that can add
Work and craftsmanship requirement.
In the exemplary embodiment, the camera-lens system of the application can meet 0.25 ＜ ∑s T/TTL of conditional≤
0.3, wherein ∑ T is the summation of spacing distance of two lens of arbitrary neighborhood on optical axis in the first lens to the 5th lens, TTL
For the first lens object side to camera-lens system distance of the imaging surface on optical axis.More specifically, ∑ T and TTL is into one
Step can meet 0.26≤∑ T/TTL≤0.30.Spacing distance of each lens of reasonable disposition on optical axis, can effectively reduce system
Gap sensibility, while being conducive to meet miniature requirement.
In the exemplary embodiment, the camera-lens system of the application can meet 0 ＜ f/f3 ＜ 0.3 of conditional, wherein
F is total effective focal length of camera-lens system, and f3 is the effective focal length of the third lens.More specifically, f and f3 can further meet
0.04≤f/f3≤0.18.By the focal power for configuring the third lens, it is ensured that optical system structure compactedness is conducive to simultaneously
Correction system spherical aberration, and then improve image quality.
In the exemplary embodiment, above-mentioned camera-lens system may also include diaphragm, to promote the image quality of camera lens.
Optionally, diaphragm may be provided between object side and the first lens.
Optionally, above-mentioned camera-lens system may also include optical filter for correcting color error ratio and/or for protecting
The protective glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above five can be used according to the camera-lens system 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 the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens so that imaging lens system system
System, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Meanwhile passing through the camera-lens system of above-mentioned configuration
There can be the advantageous effects such as high image quality, miniaturization, low cost.Camera-lens system as described above can preferably meet
Such as the use demand of the preposition camera lens of the portable electronic products such as smart mobile phone.
In presently filed embodiment, at least one of 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 solution the case where
Under, the lens numbers for constituting camera-lens system can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described by taking five lens as an example in embodiments, which is not limited to include five
Lens.If desired, the camera-lens system may also include the lens of other quantity.
The specific embodiment for the camera-lens system for being applicable to the above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D descriptions according to the camera-lens system of the embodiment of the present application 1.Fig. 1 is shown according to this
Apply for the structural schematic diagram of the camera-lens system of embodiment 1.
As shown in Figure 1, according to the camera-lens system 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, optical filter
E6 and imaging surface S13.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The
It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.Wherein, the object side of the 5th lens E5
S9 has the point of inflexion so that the object side S9 is at least had by near axis area to distal shaft region becomes recessed, convex by concave change again by convex
Face type variation tendency.Optical filter E6 has object side S11 and image side surface S12.Light from object sequentially passes through each surface S1 extremely
S12 is simultaneously ultimately imaged on imaging surface S13.
Table 1 show the surface types of each lens of the camera-lens system 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 in the first lens E1 to the 5th lens E5 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, paraxial curvature c is the inverse of 1 mean curvature radius R of upper table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of minute surface S1-S104、A6、A8、A10、A12、A14、A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 1.5356E-03 | -1.0187E-01 | 1.0051E+00 | -5.4294E+00 | 1.6919E+01 | -3.1768E+01 | 3.5386E+01 | -2.1537E+01 | 5.5127E+00 |
| S2 | -1.4365E-01 | 2.3069E-01 | 9.7325E-01 | -7.5359E+00 | 2.5886E+01 | -5.2633E+01 | 6.4329E+01 | -4.3781E+01 | 1.2752E+01 |
| S3 | -1.9511E-01 | 7.1307E-01 | -2.3784E+00 | 1.4248E+01 | -6.2710E+01 | 1.6757E+02 | -2.6149E+02 | 2.1990E+02 | -7.7080E+01 |
| S4 | -7.8984E-02 | 3.1200E-01 | 9.1230E-01 | -1.1232E+01 | 5.8933E+01 | -1.7907E+02 | 3.2091E+02 | -3.1235E+02 | 1.2721E+02 |
| S5 | -2.2027E-01 | 3.1847E-02 | 2.8300E-01 | -4.1537E+00 | 2.1766E+01 | -6.0080E+01 | 9.3425E+01 | -7.5484E+01 | 2.4429E+01 |
| S6 | -1.8226E-01 | 2.0035E-01 | -1.2508E+00 | 5.2327E+00 | -1.3744E+01 | 2.3595E+01 | -2.5184E+01 | 1.5318E+01 | -4.0558E+00 |
| S7 | -6.0005E-02 | 4.3767E-02 | -1.1883E-01 | 1.0749E-01 | -7.6214E-02 | 3.1202E-02 | -2.4771E-03 | -1.6979E-03 | 3.2506E-04 |
| S8 | -3.2993E-01 | 5.6706E-01 | -7.6093E-01 | 6.7456E-01 | -4.1511E-01 | 1.7154E-01 | -4.4248E-02 | 6.3542E-03 | -3.8584E-04 |
| S9 | -5.8474E-01 | 4.8490E-01 | -3.3150E-01 | 1.6999E-01 | -5.8418E-02 | 1.2922E-02 | -1.7696E-03 | 1.3680E-04 | -4.5709E-06 |
| S10 | -3.4125E-01 | 1.8948E-01 | -6.7075E-02 | 2.3163E-03 | 8.8102E-03 | -3.7667E-03 | 7.2040E-04 | -6.7623E-05 | 2.5217E-06 |
Table 2
Table 3 provides the object side S1 to imaging surface S13 of the first lens E1 of camera-lens system in embodiment 1 on optical axis
Distance TTL, imaging surface S13 on half ImgH, F number Fno, the total effective focal length f of effective pixel area diagonal line length and each
The effective focal length f1 to f5 of lens.
Table 3
Camera-lens system in embodiment 1 meets following relationship：
TTL/ImgH=1.32, wherein TTL be the first lens E1 object side S1 to camera-lens system imaging surface
Distances of the S13 on optical axis, ImgH are the half of effective pixel area diagonal line length on imaging surface S13；
(R4+R10)/(R4-R10)=3.80, wherein R4 is the radius of curvature of the image side surface S4 of the second lens E2, and R10 is
The radius of curvature of the image side surface S10 of 5th lens E5；
TTL × Fno/ImgH=2.73, wherein TTL be the first lens E1 object side S1 to camera-lens system at
Distances of the image planes S13 on optical axis, ImgH are the half of effective pixel area diagonal line length on imaging surface S13, and Fno is that camera shooting is saturating
The F numbers of mirror system；
T34/T45=2.76, wherein T34 is the spacing distance of the third lens E3 and the 4th lens E4 on optical axis, T45
For the spacing distance of the 4th lens E4 and the 5th lens E5 on optical axis；
CT4/CT5=0.57, wherein CT4 is the 4th lens E4 in the center thickness on optical axis, and CT5 is the 5th lens E5
In the center thickness on optical axis；
| f4 |/f=4.08, wherein f4 is the effective focal length of the 4th lens E4, and f is total effective coke of camera-lens system
Away from；
∑ ET/ ∑s CT=0.71, wherein ∑ ET is the edge thickness of each lens in the first lens E1 to the 5th lens E5
Summation, ∑ CT are summations of the first lens E1 to the 5th lens E5 respectively at the center thickness on optical axis；
ET1/ET2=0.96, wherein ET1 is the edge thickness of the first lens E1, and the edge that ET2 is the second lens E2 is thick
Degree；
R9/f=0.41, wherein R9 is the radius of curvature of the object side S9 of the 5th lens E5, and f is camera-lens system
Total effective focal length；
ET5/CT5=0.65, wherein ET5 is the edge thickness of the 5th lens E5, and CT5 is the 5th lens E5 on optical axis
Center thickness；
∑ T/TTL=0.27, wherein ∑ T is two lens of arbitrary neighborhood in the first lens E1 to the 5th lens E5 in optical axis
On spacing distance summation, distances of the object side S1 to imaging surface S13 on optical axis that TTL is the first lens E1；
F/f3=0.12, wherein f is total effective focal length of camera-lens system, and f3 is the effective focal length of the third lens E3.
Fig. 2A shows chromatic curve on the axis of the camera-lens system of embodiment 1, indicates 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 camera-lens system of embodiment 1, indicate meridian picture
Face is bent and sagittal image surface bending.Fig. 2 C show the distortion curve of the camera-lens system of embodiment 1, indicate different image heights
Locate corresponding distortion sizes values.Fig. 2 D show the ratio chromatism, curve of the camera-lens system of embodiment 1, indicate light warp
By the deviation of the different image heights after camera lens on imaging surface.A to Fig. 2 D is it is found that the camera shooting given by embodiment 1 is saturating according to fig. 2
Mirror system can realize good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D descriptions according to the camera-lens system 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
Camera-lens system structural schematic diagram.
As shown in figure 3, according to the camera-lens system 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, optical filter
E6 and imaging surface S13.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The
It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.Wherein, the object side of the 5th lens E5
S9 has the point of inflexion so that the object side S9 is at least had by near axis area to distal shaft region becomes recessed, convex by concave change again by convex
Face type variation tendency.Optical filter E6 has object side S11 and image side surface S12.Light from object sequentially passes through each surface S1 extremely
S12 is simultaneously ultimately imaged on imaging surface S13.
Table 4 show the surface types of each lens of the camera-lens system 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 in the first lens E1 to the 5th lens E5
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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -1.2360E-02 | 4.6703E-02 | -2.9459E-01 | 7.0638E-01 | -2.4859E-01 | -2.7898E+00 | 6.5455E+00 | -6.1045E+00 | 2.1304E+00 |
| S2 | -1.5057E-01 | 3.1031E-01 | 1.4490E+00 | -1.3410E+01 | 5.0624E+01 | -1.0999E+02 | 1.4079E+02 | -9.8676E+01 | 2.9258E+01 |
| S3 | -1.5231E-01 | 4.8129E-01 | 8.8017E-01 | -9.8796E+00 | 3.5008E+01 | -6.7528E+01 | 7.2653E+01 | -3.9096E+01 | 7.3722E+00 |
| S4 | -7.9404E-02 | 2.9448E-01 | 6.1685E-01 | -4.0315E+00 | 2.8351E+00 | 3.6126E+01 | -1.2745E+02 | 1.7408E+02 | -8.8590E+01 |
| S5 | -1.5631E-01 | -1.7457E-01 | 2.2984E-01 | 2.7420E+00 | -1.9716E+01 | 6.4237E+01 | -1.1600E+02 | 1.1293E+02 | -4.6048E+01 |
| S6 | -1.1322E-01 | -3.0139E-01 | 8.7781E-01 | -1.0123E+00 | -1.2857E+00 | 6.7699E+00 | -1.0426E+01 | 7.5885E+00 | -2.1862E+00 |
| S7 | 8.7291E-02 | -3.4652E-01 | 3.7717E-01 | -3.2151E-01 | 1.3929E-01 | 3.6106E-03 | -2.4725E-02 | 7.9068E-03 | -8.0409E-04 |
| S8 | -1.0431E-01 | 1.0936E-01 | -2.0571E-01 | 1.7790E-01 | -9.1739E-02 | 3.1692E-02 | -7.2963E-03 | 1.0030E-03 | -6.1725E-05 |
| S9 | -4.5857E-01 | 3.0167E-01 | -1.4098E-01 | 4.8558E-02 | -1.2134E-02 | 2.1578E-03 | -2.6236E-04 | 1.9659E-05 | -6.8315E-07 |
| S10 | -3.0821E-01 | 1.4803E-01 | -5.1554E-02 | 5.8891E-03 | 3.5052E-03 | -1.7991E-03 | 3.6430E-04 | -3.5255E-05 | 1.3348E-06 |
Table 5
Table 6 provides the object side S1 to imaging surface S13 of the first lens E1 of camera-lens system in embodiment 2 on optical axis
Distance TTL, imaging surface S13 on half ImgH, F number Fno, the total effective focal length f of effective pixel area diagonal line length and each
The effective focal length f1 to f5 of lens.
Table 6
Fig. 4 A show chromatic curve on the axis of the camera-lens system of embodiment 2, indicate 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 camera-lens system of embodiment 2, indicate meridian picture
Face is bent and sagittal image surface bending.Fig. 4 C show the distortion curve of the camera-lens system of embodiment 2, indicate different image heights
Locate corresponding distortion sizes values.Fig. 4 D show the ratio chromatism, curve of the camera-lens system of embodiment 2, indicate 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 the camera shooting given by embodiment 2 is saturating
Mirror system can realize good image quality.
Embodiment 3
The camera-lens system according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basis
The structural schematic diagram of the camera-lens system of the embodiment of the present application 3.
As shown in figure 5, according to the camera-lens system 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, optical filter
E6 and imaging surface S13.
It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is convex 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The
It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.Wherein, the object side of the 5th lens E5
S9 has the point of inflexion so that the object side S9 is at least had by near axis area to distal shaft region becomes recessed, convex by concave change again by convex
Face type variation tendency.Optical filter E6 has object side S11 and image side surface S12.Light from object sequentially passes through each surface S1 extremely
S12 is simultaneously ultimately imaged on imaging surface S13.
Table 7 show the surface types of each lens of the camera-lens system 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 in the first lens E1 to the 5th lens E5
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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -8.0859E-02 | 1.1455E+00 | -8.2004E+00 | 3.5260E+01 | -9.6051E+01 | 1.6607E+02 | -1.7663E+02 | 1.0530E+02 | -2.6937E+01 |
| S2 | 1.1255E-01 | -1.6130E+00 | 1.4878E+01 | -7.9789E+01 | 2.6303E+02 | -5.4088E+02 | 6.7484E+02 | -4.6716E+02 | 1.3753E+02 |
| S3 | 5.5256E-02 | -1.3211E+00 | 1.4464E+01 | -8.3884E+01 | 2.9644E+02 | -6.5069E+02 | 8.6384E+02 | -6.3461E+02 | 1.9771E+02 |
| S4 | -4.5188E-02 | 2.2386E-01 | -1.7919E+00 | 1.5472E+01 | -7.5688E+01 | 2.1715E+02 | -3.6413E+02 | 3.3080E+02 | -1.2672E+02 |
| S5 | -6.6289E-02 | -1.0708E+00 | 5.6031E+00 | -1.2816E+01 | -9.8664E+00 | 1.3971E+02 | -3.5132E+02 | 3.9520E+02 | -1.7340E+02 |
| S6 | -1.7165E-01 | 6.5701E-01 | -6.1605E+00 | 2.8616E+01 | -7.5894E+01 | 1.2242E+02 | -1.1813E+02 | 6.2961E+01 | -1.4337E+01 |
| S7 | 7.9505E-02 | -1.3383E-01 | 3.4109E-02 | 5.3921E-02 | -7.3801E-02 | 4.1529E-02 | -1.2114E-02 | 1.8040E-03 | -1.0943E-04 |
| S8 | -2.9706E-02 | 5.1358E-02 | -1.4582E-01 | 1.5341E-01 | -9.4801E-02 | 3.5760E-02 | -7.9330E-03 | 9.4716E-04 | -4.7018E-05 |
| S9 | -2.7236E-01 | 1.0370E-01 | -1.9744E-02 | -1.0351E-02 | 1.0474E-02 | -3.7275E-03 | 6.7218E-04 | -6.1503E-05 | 2.2712E-06 |
| S10 | -1.7598E-01 | 4.4064E-02 | 1.1471E-02 | -1.8034E-02 | 8.0016E-03 | -1.8046E-03 | 2.1744E-04 | -1.2887E-05 | 2.7611E-07 |
Table 8
Table 9 provides the object side S1 to imaging surface S13 of the first lens E1 of camera-lens system in embodiment 3 on optical axis
Distance TTL, imaging surface S13 on half ImgH, F number Fno, the total effective focal length f of effective pixel area diagonal line length and each
The effective focal length f1 to f5 of lens.
Table 9
Fig. 6 A show chromatic curve on the axis of the camera-lens system of embodiment 3, indicate 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 camera-lens system of embodiment 3, indicate meridian picture
Face is bent and sagittal image surface bending.Fig. 6 C show the distortion curve of the camera-lens system of embodiment 3, indicate different image heights
Locate corresponding distortion sizes values.Fig. 6 D show the ratio chromatism, curve of the camera-lens system of embodiment 3, indicate 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 the camera shooting given by embodiment 3 is saturating
Mirror system can realize good image quality.
Embodiment 4
The camera-lens system according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basis
The structural schematic diagram of the camera-lens system of the embodiment of the present application 4.
As shown in fig. 7, according to the camera-lens system 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, optical filter
E6 and imaging surface S13.
It is convex surface that first lens E1, which has positive light coke, object side S1, and image side surface S2 is convex surface.Second lens E2 has
Negative power, object side S3 are concave 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The
It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.Wherein, the object side of the 5th lens E5
S9 has the point of inflexion so that the object side S9 is at least had by near axis area to distal shaft region becomes recessed, convex by concave change again by convex
Face type variation tendency.Optical filter E6 has object side S11 and image side surface S12.Light from object sequentially passes through each surface S1 extremely
S12 is simultaneously ultimately imaged on imaging surface S13.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the camera-lens system 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 in the first lens E1 to the 5th lens E5
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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -8.6561E-02 | 1.1627E+00 | -8.0368E+00 | 3.3655E+01 | -8.8730E+01 | 1.4802E+02 | -1.5167E+02 | 8.7086E+01 | -2.1478E+01 |
| S2 | 6.6730E-02 | -5.0143E-01 | 3.7567E+00 | -1.6910E+01 | 4.8156E+01 | -8.7261E+01 | 9.6670E+01 | -5.9315E+01 | 1.5230E+01 |
| S3 | 1.5818E-01 | -1.2687E+00 | 1.0757E+01 | -5.2930E+01 | 1.6165E+02 | -3.0830E+02 | 3.5585E+02 | -2.2605E+02 | 6.0013E+01 |
| S4 | -4.2788E-02 | 1.9175E+00 | -2.2420E+01 | 1.5299E+02 | -6.3751E+02 | 1.6475E+03 | -2.5783E+03 | 2.2407E+03 | -8.3236E+02 |
| S5 | -2.1059E-01 | 3.0808E-02 | -1.3455E+00 | 9.3803E+00 | -3.7650E+01 | 1.0267E+02 | -1.8529E+02 | 1.9859E+02 | -9.3964E+01 |
| S6 | -1.5311E-01 | -1.5217E-01 | 3.7557E-01 | 2.7791E-02 | -1.4474E+00 | 3.5362E+00 | -3.8697E+00 | 2.4104E+00 | -7.6291E-01 |
| S7 | -3.4592E-02 | 9.8606E-02 | -1.3645E-01 | -3.7166E-02 | 1.8702E-01 | -1.6789E-01 | 7.2673E-02 | -1.5606E-02 | 1.3271E-03 |
| S8 | -2.7137E-01 | 5.6698E-01 | -7.9479E-01 | 6.6407E-01 | -3.5555E-01 | 1.2113E-01 | -2.4942E-02 | 2.8001E-03 | -1.3083E-04 |
| S9 | -3.7435E-01 | 2.7356E-01 | -1.6865E-01 | 6.1868E-02 | -4.4745E-03 | -4.8638E-03 | 1.8323E-03 | -2.6906E-04 | 1.4914E-05 |
| S10 | -1.7623E-01 | 6.2999E-02 | -7.3340E-03 | -9.1847E-03 | 5.7360E-03 | -1.5054E-03 | 2.0218E-04 | -1.3304E-05 | 3.2808E-07 |
Table 11
Table 12 provides the object side S1 to imaging surface S13 of the first lens E1 of camera-lens system in embodiment 4 in optical axis
On distance TTL, imaging surface S13 on effective pixel area diagonal line length half ImgH, F number Fno, total effective focal length f and
The effective focal length f1 to f5 of each lens.
Table 12
Fig. 8 A show chromatic curve on the axis of the camera-lens system of embodiment 4, indicate 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 camera-lens system of embodiment 4, indicate meridian picture
Face is bent and sagittal image surface bending.Fig. 8 C show the distortion curve of the camera-lens system of embodiment 4, indicate different image heights
Locate corresponding distortion sizes values.Fig. 8 D show the ratio chromatism, curve of the camera-lens system of embodiment 4, indicate 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 the camera shooting given by embodiment 4 is saturating
Mirror system can realize good image quality.
Embodiment 5
The camera-lens system according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basis
The structural schematic diagram of the camera-lens system of the embodiment of the present application 5.
As shown in figure 9, according to the camera-lens system 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, optical filter
E6 and imaging surface S13.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The
It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.Wherein, the object side of the 5th lens E5
S9 has the point of inflexion so that the object side S9 is at least had by near axis area to distal shaft region becomes recessed, convex by concave change again by convex
Face type variation tendency.Optical filter E6 has object side S11 and image side surface S12.Light from object sequentially passes through each surface S1 extremely
S12 is simultaneously ultimately imaged on imaging surface S13.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the camera-lens system 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 in the first lens E1 to the 5th lens E5
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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.1540E-02 | 1.2160E+00 | -8.5259E+00 | 3.5233E+01 | -9.2785E+01 | 1.5597E+02 | -1.6214E+02 | 9.4736E+01 | -2.3760E+01 |
| S2 | 1.3351E-01 | -1.8401E+00 | 1.3983E+01 | -6.6912E+01 | 2.0565E+02 | -4.0406E+02 | 4.8727E+02 | -3.2775E+02 | 9.4065E+01 |
| S3 | 1.3689E-01 | -1.5861E+00 | 1.2346E+01 | -5.4853E+01 | 1.5050E+02 | -2.4942E+02 | 2.2771E+02 | -8.9163E+01 | 1.7824E+00 |
| S4 | -5.2798E-02 | 1.1351E+00 | -1.3137E+01 | 8.9791E+01 | -3.6655E+02 | 9.2270E+02 | -1.4067E+03 | 1.1894E+03 | -4.2741E+02 |
| S5 | 7.0387E-02 | -1.9983E+00 | 1.2009E+01 | -4.6460E+01 | 1.1551E+02 | -1.7697E+02 | 1.5378E+02 | -6.2335E+01 | 5.4693E+00 |
| S6 | -5.6143E-03 | -2.2624E-01 | -4.4640E-01 | 3.4275E+00 | -7.4430E+00 | 8.1770E+00 | -4.6233E+00 | 1.1110E+00 | -3.6788E-02 |
| S7 | 1.7952E-01 | -2.8480E-01 | 2.9105E-01 | -2.4685E-01 | 1.4501E-01 | -5.3798E-02 | 1.1977E-02 | -1.4585E-03 | 7.4581E-05 |
| S8 | -6.5764E-03 | 1.2410E-01 | -1.8160E-01 | 1.1606E-01 | -4.3500E-02 | 1.0265E-02 | -1.4973E-03 | 1.2292E-04 | -4.3346E-06 |
| S9 | 3.6571E-02 | -3.0831E-01 | 3.9809E-01 | -2.6983E-01 | 1.0512E-01 | -2.4270E-02 | 3.2877E-03 | -2.4189E-04 | 7.4697E-06 |
| S10 | -3.1435E-02 | -8.8589E-02 | 1.0062E-01 | -5.3551E-02 | 1.5447E-02 | -2.4349E-03 | 1.8724E-04 | -3.6680E-06 | -1.9435E-07 |
Table 14
Table 15 provides the object side S1 to imaging surface S13 of the first lens E1 of camera-lens system in embodiment 5 in optical axis
On distance TTL, imaging surface S13 on effective pixel area diagonal line length half ImgH, F number Fno, total effective focal length f and
The effective focal length f1 to f5 of each lens.
Table 15
Figure 10 A show chromatic curve on the axis of the camera-lens system of embodiment 5, indicate 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 camera-lens system of embodiment 5, indicate meridian
Curvature of the image and sagittal image surface bending.Figure 10 C show the distortion curve of the camera-lens system of embodiment 5, indicate different
Corresponding distortion sizes values at image height.Figure 10 D show the ratio chromatism, curve of the camera-lens system of embodiment 5, indicate
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
Camera-lens system can realize good image quality.
Embodiment 6
The camera-lens system according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 shows root
According to the structural schematic diagram of the camera-lens system of the embodiment of the present application 6.
As shown in figure 11, according to the camera-lens system 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, optical filter
E6 and imaging surface S13.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has positive light coke, object side S7, and image side surface S8 is convex surface.The
It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.Wherein, the object side of the 5th lens E5
S9 has the point of inflexion so that the object side S9 is at least had by near axis area to distal shaft region becomes recessed, convex by concave change again by convex
Face type variation tendency.Optical filter E6 has object side S11 and image side surface S12.Light from object sequentially passes through each surface S1 extremely
S12 is simultaneously ultimately imaged on imaging surface S13.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the camera-lens system 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 in the first lens E1 to the 5th lens E5
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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -3.3529E-01 | 4.7267E+00 | -3.6092E+01 | 1.6481E+02 | -4.6824E+02 | 8.3458E+02 | -9.0678E+02 | 5.4873E+02 | -1.4179E+02 |
| S2 | -3.8908E-02 | -9.6101E-01 | 1.1864E+01 | -7.0441E+01 | 2.5437E+02 | -5.7386E+02 | 7.8590E+02 | -5.9719E+02 | 1.9289E+02 |
| S3 | 4.8946E-03 | -2.8069E+00 | 3.4653E+01 | -2.1837E+02 | 8.3185E+02 | -1.9649E+03 | 2.8035E+03 | -2.2114E+03 | 7.3992E+02 |
| S4 | -3.0777E-01 | 5.5421E+00 | -6.2541E+01 | 4.2914E+02 | -1.7983E+03 | 4.6630E+03 | -7.3084E+03 | 6.3426E+03 | -2.3397E+03 |
| S5 | 8.5284E-02 | -4.2034E+00 | 3.4550E+01 | -1.6474E+02 | 4.7538E+02 | -8.0729E+02 | 7.2985E+02 | -2.4596E+02 | -3.2549E+01 |
| S6 | -3.2109E-01 | 2.8896E+00 | -2.3422E+01 | 1.0601E+02 | -2.8735E+02 | 4.7921E+02 | -4.8110E+02 | 2.6677E+02 | -6.2802E+01 |
| S7 | 2.4128E-01 | -2.9972E-01 | -2.6810E-01 | 9.8720E-01 | -1.1215E+00 | 6.7056E-01 | -2.2385E-01 | 3.9443E-02 | -2.8638E-03 |
| S8 | 3.3876E-01 | -6.4007E-01 | 5.5081E-01 | -2.5044E-01 | 4.2451E-02 | 8.8750E-03 | -4.7984E-03 | 6.5222E-04 | -2.3617E-05 |
| S9 | -4.6192E-02 | -2.1053E-01 | 1.9970E-01 | -9.0852E-02 | 2.4853E-02 | -4.2831E-03 | 4.5624E-04 | -2.7483E-05 | 7.1646E-07 |
| S10 | -1.0100E-01 | -4.5810E-02 | 5.8537E-02 | -2.8302E-02 | 8.0615E-03 | -1.4324E-03 | 1.5532E-04 | -9.3801E-06 | 2.4122E-07 |
Table 17
Table 18 provides the object side S1 to imaging surface S13 of the first lens E1 of camera-lens system in embodiment 6 in optical axis
On distance TTL, imaging surface S13 on effective pixel area diagonal line length half ImgH, F number Fno, total effective focal length f and
The effective focal length f1 to f5 of each lens.
Table 18
Figure 12 A show chromatic curve on the axis of the camera-lens system of embodiment 6, indicate 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 camera-lens system of embodiment 6, indicate meridian
Curvature of the image and sagittal image surface bending.Figure 12 C show the distortion curve of the camera-lens system of embodiment 6, indicate different
Corresponding distortion sizes values at image height.Figure 12 D show the ratio chromatism, curve of the camera-lens system of embodiment 6, indicate
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
Camera-lens system can realize good image quality.
Embodiment 7
The camera-lens system according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 shows root
According to the structural schematic diagram of the camera-lens system of the embodiment of the present application 7.
As shown in figure 13, according to the camera-lens system 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, optical filter
E6 and imaging surface S13.
It is convex surface that first lens E1, which has positive light coke, object side S1, 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.It is convex surface that 4th lens E4, which has negative power, object side S7, and image side surface S8 is concave surface.The
It is convex surface that five lens E5, which have positive light coke, object side S9, and image side surface S10 is concave surface.Wherein, the object side of the 5th lens E5
S9 has the point of inflexion so that the object side S9 is at least had by near axis area to distal shaft region becomes recessed, convex by concave change again by convex
Face type variation tendency.Optical filter E6 has object side S11 and image side surface S12.Light from object sequentially passes through each surface S1 extremely
S12 is simultaneously ultimately imaged on imaging surface S13.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the camera-lens system 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 in the first lens E1 to the 5th lens E5
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.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.8581E-02 | 6.4701E-01 | -4.4190E+00 | 1.8421E+01 | -4.8443E+01 | 8.0661E+01 | -8.2509E+01 | 4.7345E+01 | -1.1700E+01 |
| S2 | -1.0921E-01 | 2.0494E-01 | 1.0885E+00 | -8.5730E+00 | 2.9978E+01 | -6.1989E+01 | 7.6803E+01 | -5.2867E+01 | 1.5476E+01 |
| S3 | -1.2852E-01 | 2.4139E-02 | 4.0846E+00 | -2.5010E+01 | 8.2275E+01 | -1.6448E+02 | 1.9854E+02 | -1.3327E+02 | 3.8043E+01 |
| S4 | -9.7640E-02 | 1.0843E+00 | -8.8256E+00 | 5.6455E+01 | -2.2912E+02 | 5.8184E+02 | -8.9414E+02 | 7.6179E+02 | -2.7691E+02 |
| S5 | -2.3228E-01 | 6.5830E-01 | -9.8718E+00 | 7.8926E+01 | -3.7257E+02 | 1.0716E+03 | -1.8399E+03 | 1.7338E+03 | -6.8995E+02 |
| S6 | -1.4646E-01 | -2.6267E-01 | 1.7997E+00 | -7.7559E+00 | 2.1806E+01 | -3.8021E+01 | 4.0055E+01 | -2.3014E+01 | 5.4637E+00 |
| S7 | -1.9394E-02 | 1.6880E-02 | 3.3006E-03 | -1.9773E-01 | 3.2074E-01 | -2.4991E-01 | 1.0625E-01 | -2.3356E-02 | 2.0713E-03 |
| S8 | -2.6854E-01 | 5.0140E-01 | -6.4107E-01 | 4.9571E-01 | -2.5028E-01 | 8.2078E-02 | -1.6558E-02 | 1.8454E-03 | -8.6405E-05 |
| S9 | -4.5974E-01 | 3.7636E-01 | -2.6544E-01 | 1.3781E-01 | -4.6611E-02 | 9.9859E-03 | -1.3188E-03 | 9.9125E-05 | -3.2997E-06 |
| S10 | -1.9802E-01 | 6.6918E-02 | -2.4342E-03 | -1.5310E-02 | 8.9750E-03 | -2.4530E-03 | 3.5804E-04 | -2.6546E-05 | 7.7298E-07 |
Table 20
Table 21 provides the object side S1 to imaging surface S13 of the first lens E1 of camera-lens system in embodiment 7 in optical axis
On distance TTL, imaging surface S13 on effective pixel area diagonal line length half ImgH, F number Fno, total effective focal length f and
The effective focal length f1 to f5 of each lens.
Table 21
Figure 14 A show chromatic curve on the axis of the camera-lens system of embodiment 7, indicate the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 14 B show the astigmatism curve of the camera-lens system of embodiment 7, indicate meridian
Curvature of the image and sagittal image surface bending.Figure 14 C show the distortion curve of the camera-lens system of embodiment 7, indicate different
Corresponding distortion sizes values at image height.Figure 14 D show the ratio chromatism, curve of the camera-lens system of embodiment 7, indicate
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
Camera-lens system can realize good image quality.
To sum up, embodiment 1 to embodiment 7 meets relationship shown in table 22 respectively.
Table 22
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, can also be
The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic device is equipped with imaging lens system system described above
System.
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 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
The other technologies scheme of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (14)
1. camera-lens system includes sequentially by object side to image side along optical axis：First lens, the second lens, the third lens, the 4th
Lens and the 5th lens, which is characterized in that
First lens have positive light coke；
It is concave surface that second lens, which have negative power, image side surface,；
It is concave surface that the third lens, which have positive light coke, object side,；
It is convex surface that 4th lens, which have focal power, object side,；
It is concave surface that 5th lens, which have positive light coke, image side surface,；And
The object side of first lens to the camera-lens system distance TTL of the imaging surface on the optical axis with it is described
The half ImgH of effective pixel area diagonal line length meets TTL/ImgH ＜ 1.5 on the imaging surface of camera-lens system.
2. camera-lens system according to claim 1, which is characterized in that the curvature of the image side surface of second lens half
Diameter R4 and the radius of curvature R 10 of the image side surface of the 5th lens meet 3≤(R4+R10)/(R4-R10) ＜ 10.
3. camera-lens system according to claim 1, which is characterized in that the effective focal length f4 of the 4th lens and institute
The total effective focal length f for stating camera-lens system meets 3 ＜ | f4 |/f ＜ 9.
4. camera-lens system according to claim 1, which is characterized in that the edge thickness ET1 of first lens with
The edge thickness ET2 of second lens meets 0.6 ＜ ET1/ET2 ＜ 1.
5. camera-lens system according to claim 1, which is characterized in that the curvature of the object side of the 5th lens half
Diameter R9 and total effective focal length f of the camera-lens system meet 0.2 ＜ R9/f ＜ 0.7.
6. camera-lens system according to claim 5, which is characterized in that the edge thickness ET5 of the 5th lens with
5th lens meet 0.35 ＜ ET5/CT5 ＜ 0.8 in the center thickness CT5 on the optical axis.
7. camera-lens system according to claim 1, which is characterized in that total effective focal length of the camera-lens system
F and the effective focal length f3 of the third lens meet 0 ＜ f/f3 ＜ 0.3.
8. camera-lens system according to claim 1, which is characterized in that the 4th lens are on the optical axis
Heart thickness CT4 meets 0.2 ＜ CT4/CT5 ＜ 0.6 with the 5th lens in the center thickness CT5 on the optical axis.
9. camera-lens system according to claim 1, which is characterized in that the third lens and the 4th lens exist
The spacing distance T34 and spacing distance T45 of the 4th lens and the 5th lens on the optical axis on the optical axis
Meet 2.0 ＜ T34/T45 ＜ 3.5.
10. camera-lens system according to any one of claim 1 to 9, which is characterized in that the object of first lens
Side is to distance TTL of the imaging surface on the optical axis of the camera-lens system, the imaging surface of the camera-lens system
The half ImgH of the upper effective pixel area diagonal line length and F numbers Fno of the camera-lens system meets TTL × Fno/ImgH ＜
3.2。
11. camera-lens system according to any one of claim 1 to 9, which is characterized in that first lens to institute
The summation ∑ ET of the edge thickness of each lens is stated in the 5th lens with first lens to the 5th lens respectively at described
The summation ∑ CT of center thickness on optical axis meets 0.5 ＜ ∑ ET/ ∑ CT ＜ 0.9.
12. camera-lens system according to any one of claim 1 to 9, which is characterized in that first lens to institute
State the object side of the summation ∑ T and first lens of spacing distance of two lens of arbitrary neighborhood on the optical axis in the 5th lens
Distance TTL of the imaging surface on the optical axis of face to the camera-lens system meets 0.25 ＜ ∑s T/TTL≤0.3.
13. camera-lens system according to any one of claim 1 to 9, which is characterized in that the object of the 5th lens
Side has the point of inflexion, and the object side of the 5th lens has convex portions in distal shaft region.
14. camera-lens system includes sequentially by object side to image side along optical axis：First lens, the second lens, the third lens,
Four lens and the 5th lens, which is characterized in that
First lens have positive light coke；
It is concave surface that second lens, which have negative power, image side surface,；
The third lens have positive light coke；
It is convex surface that 4th lens, which have focal power, object side,；
It is concave surface that 5th lens, which have positive light coke, image side surface,；And
The object side of first lens to the camera-lens system distance TTL of the imaging surface on the optical axis, described
The F numbers of the half ImgH of effective pixel area diagonal line length and the camera-lens system on the imaging surface of camera-lens system
Fno meets TTL × Fno/ImgH ＜ 3.2；
The spacing distance T34 of the third lens and the 4th lens on the optical axis and the 4th lens and described the
Spacing distance T45 of five lens on the optical axis meets 2.0 ＜ T34/T45 ＜ 3.5.
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