CN107783260A - Imaging lens - Google Patents
Imaging lens Download PDFInfo
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- CN107783260A CN107783260A CN201711309675.4A CN201711309675A CN107783260A CN 107783260 A CN107783260 A CN 107783260A CN 201711309675 A CN201711309675 A CN 201711309675A CN 107783260 A CN107783260 A CN 107783260A
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- lens
- imaging lens
- imaging
- thing side
- image side
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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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
This application discloses a kind of imaging lens, include successively from thing side to image side：The first lens with positive light coke；The second lens with negative power；The 3rd lens with focal power；The 4th lens with negative power, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its thing side are convex surface, and image side surface is concave surface；Wherein, maximum angle of half field-of view HFOV≤25 ° of imaging lens, and meet f/f1 >=2.0 between the effective focal length f of imaging lens and the effective focal length f1 of the first lens.The imaging lens of the application have the small depth of field and big enlargement ratio, are adapted for the imaging lens for shooting distant place scenery and miniaturization.
Description
Technical field
The present invention relates to a kind of imaging lens, the imaging lens being particularly made up of six eyeglasses.
Background technology
With the popularity more and more higher of smart mobile phone and its advantage of portability, it is desirable to existed using mobile phone
Field shoots the scenery compared with distant location, and stressing main, blurs background.This just needs imaging lens one side size enough
Small and weight is gently suitable for being installed in the electronic equipments such as smart mobile phone enough, on the other hand with long-focus, can shoot it is remote
Locate scenery and image quality is good.
The present invention proposes a kind of with the small depth of field and big enlargement ratio, the imaging suitable for shooting distant place scenery and miniaturization
Camera lens.
The content of the invention
In order to solve at least one problem of the prior art, the invention provides a kind of imaging lens.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, maximum angle of half field-of view HFOV≤25 ° of imaging lens, and imaging lens
Meet f/f1 >=2.0 between effective focal length f and the effective focal length f1 of the first lens.
According to an embodiment of the invention, distance TTL and imaging lens on the first lens thing side to the axle of imaging surface
Meet TTL/f≤1.0 between the effective focal length f of head.
According to an embodiment of the invention, the effective focal length f2 of the second lens and the effective focal length f4 of the 4th lens it
Between meet 0.4<f2/f4<1.5.
According to an embodiment of the invention, the effective focal length f and the 3rd lens of imaging lens and the 4th lens are in light
Meet 4.0 between airspace T34 on axle<f/T34<5.0.
According to an embodiment of the invention, the lens thing side of radius of curvature R 12 and the 6th of the 6th lens image side surface
Radius of curvature R 11 between meet 0.5<R12/R11<2.0.
According to an embodiment of the invention, the curvature half of the effective focal length f1 of the first lens and the first lens thing side
Meet 1.0 between the R1 of footpath<f1/R1<2.0.
According to an embodiment of the invention, the curvature half of the effective focal length f2 of the second lens and the second lens image side surface
Meet -2.5 between the R4 of footpath<f2/R4<-1.0.
According to an embodiment of the invention, center thickness CT1 and the first lens and the second lens of the first lens exist
Meet 4.0 between airspace T12 on optical axis<CT1/T12<5.5.
According to an embodiment of the invention, the effective focal length f of optical imagery eyeglass group and the first lens thing side
Meet 3.5 between radius of curvature R 1<f/R1<4.5.
According to an embodiment of the invention, the effective focal length f of imaging lens, the effective focal length f1 of the first lens and
Meet 3.0 between the effective focal length f2 of two lens<|f/f1|+|f/f2|<4.0.
According to an embodiment of the invention, the center thickness CT4 of the 4th lens and the center thickness CT5 of the 5th lens
Between meet 0<CT4/CT5<1.0.
According to an embodiment of the invention, the airspace T45 and of the 4th lens and the 5th lens on optical axis
Five lens and the 6th lens meet 1.5 between the airspace T56 on optical axis<T45/T56<4.0.
According to an embodiment of the invention, the effective focal length f and the 4th lens, the 5th lens and the 6th of imaging lens
Meet -0.9 between the combined focal length f456 of lens<f/f456<-0.3.
According to an embodiment of the invention, center thickness CT5 and the 5th lens and the 6th lens of the 5th lens exist
Meet 6.0 between airspace T56 on optical axis<CT5/T56<20.0.
According to an embodiment of the invention, the lens thing side of radius of curvature R 8 and the 5th of the 4th lens image side surface
Meet 0 between radius of curvature R 9<R8/R9<1.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, between the effective focal length f2 of the second lens and the effective focal length f4 of the 4th lens
Meet 0.4<f2/f4<1.5.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, distance TTL and imaging lens on the first lens thing side to the axle of imaging surface
Effective focal length f between meet TTL/f≤1.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the effective focal length f of imaging lens and the 3rd lens and the 4th lens are in optical axis
On airspace T34 between meet 4.0<f/T34<5.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the lens thing side of radius of curvature R 12 and the 6th of the 6th lens image side surface
Meet 0.5 between radius of curvature R 11<R12/R11<2.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the radius of curvature of the effective focal length f1 of the first lens and the first lens thing side
Meet 1.0 between R1<f1/R1<2.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the radius of curvature of the effective focal length f2 of the second lens and the second lens image side surface
Meet -2.5 between R4<f2/R4<-1.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the center thickness CT1 of the first lens and the first lens and the second lens are in light
Meet 4.0 between airspace T12 on axle<CT1/T12<5.5.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the effective focal length f of optical imagery eyeglass group and the song of the first lens thing side
Meet 3.5 between rate radius R1<f/R1<4.5.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the effective focal length f1 and second of the effective focal length f of imaging lens, the first lens
Meet 3.0 between the effective focal length f2 of lens<|f/f1|+|f/f2|<4.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the center thickness CT5 of the center thickness CT4 of the 4th lens and the 5th lens it
Between meet 0<CT4/CT5<1.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the airspace T45 and the 5th of the 4th lens and the 5th lens on optical axis
Lens and the 6th lens meet 1.5 between the airspace T56 on optical axis<T45/T56<4.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, maximum angle of half field-of view HFOV≤25 ° of imaging lens, and imaging lens
Effective focal length f and the 4th lens, the 5th lens and the 6th lens combined focal length f456 between meet -0.9<f/f456<-0.3.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the effective focal length f of imaging lens and the 4th lens, the 5th lens and the 6th are saturating
Meet -0.9 between the combined focal length f456 of mirror<f/f456<-0.3.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the center thickness CT5 of the 5th lens and the 5th lens and the 6th lens are in light
Meet 6.0 between airspace T56 on axle<CT5/T56<20.0.
One aspect of the present invention provides a kind of imaging lens, includes successively from thing side to image side：With positive light coke
The first lens；The second lens with negative power；The 3rd lens with focal power；The 4th with negative power is saturating
Mirror, its image side surface are concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its
Thing side is convex surface, and image side surface is concave surface；Wherein, the song of the lens thing side of radius of curvature R 8 and the 5th of the 4th lens image side surface
Meet 0 between rate radius R9<R8/R9<1.0.
There is the small depth of field and big enlargement ratio according to the imaging lens of the present invention；Arranged in pairs or groups with wide-angle lens, in auto-focusing
In the case of can obtain big enlargement ratio and good imaging effect；Compared with existing camera lens, it can above be taken more in same distance
Big video, is suitable for shooting the scenery of distant place, and can ensure processing characteristics and miniaturization simultaneously.
Brief description of the drawings
With reference to accompanying drawing, by the detailed description of following non-limiting embodiment, further feature of the invention, purpose and excellent
Point will be apparent.In the accompanying drawings：
Fig. 1 shows the structural representation of the imaging lens of embodiment 1；
Fig. 2 to Fig. 5 respectively illustrate chromatic curve on the axle of the imaging lens of embodiment 1, astigmatism curve, distortion curve and
Ratio chromatism, curve；
Fig. 6 shows the structural representation of the imaging lens of embodiment 2；
Fig. 7 to Figure 10 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 2, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 11 shows the structural representation of the imaging lens of embodiment 3；
Figure 12 to Figure 15 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 3, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 16 shows the structural representation of the imaging lens of embodiment 4；
Figure 17 to Figure 20 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 4, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 21 shows the structural representation of the imaging lens of embodiment 5；
Figure 22 to Figure 25 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 5, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 26 shows the structural representation of the imaging lens of embodiment 6；
Figure 27 to Figure 30 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 6, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 31 shows the structural representation of the imaging lens of embodiment 7；
Figure 32 to Figure 35 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 7, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 36 shows the structural representation of the imaging lens of embodiment 8；
Figure 37 to Figure 40 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 8, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 41 shows the structural representation of the imaging lens of embodiment 9；
Figure 42 to Figure 45 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 9, astigmatism curve, distortion curve
With ratio chromatism, curve；
Figure 46 shows the structural representation of the imaging lens of embodiment 10；And
Figure 47 to Figure 50 respectively illustrates chromatic curve on the axle of the imaging lens of embodiment 10, astigmatism curve, distortion song
Line and ratio chromatism, curve.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Be easy to describe, illustrate only in accompanying drawing to about the related part of invention.
It should be understood that in this application, when element or layer be described as be in another element or layer " on ", " being connected to " or
When " being attached to " another element or layer, its can directly on another element or layer, be connected directly to or be attached to another element or
Layer, or element or layer between may be present.When element be referred to as " located immediately at " another element or layer " on ", " directly connect
It is connected to " or when " being attached directly to " another element or layer, in the absence of element or layer between.In the specification, phase
Same label refers to identical element.As used in this article, term "and/or" includes one in associated Listed Items
Or multiple any and all combinations.
Although it should be understood that term the 1st, the 2nd or first, second etc. herein can be used for describe various elements,
Part, region, layer and/or section, but these elements, part, region, layer and/or Duan Buying are limited by these terms.These are used
Language is only used for distinguishing an element, part, region, layer or section and another element, part, region, layer or section.Therefore,
In the case of without departing substantially from teachings of the present application, the first element, part, region, layer or section discussed below can be referred to as the
Two element, part, region, layer or section.
Terminology used herein is only used for describing the purpose of embodiment, it is no intended to limits the application.Such as exist
It is used herein, unless being clearly dictated in context, otherwise it is also intended to bag without the feature for limiting single plural form
Include the feature of plural form.It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ",
Represent stated feature, entirety, step, operation, element and/or part be present when using in this manual, but do not arrange
Except exist or add one or more of the other feature, entirety, step, operation, element, part and/or their group.Such as herein
Middle to use, term "and/or" includes any of one or more of associated Listed Items and all combination.Such as
The statement of " ... at least one " modifies whole element list, rather than modification row when after the list for appearing in element
Individual component in table.In addition, when describing presently filed embodiment, " can with " be used to represent " one or more of the application
Individual embodiment ".Also, term " exemplary " is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with
The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and
It will not explained with idealization or excessively formal sense, unless clearly so limiting herein.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
This application provides a kind of imaging lens, include successively from thing side to image side：The first lens with positive light coke；
The second lens with negative power；The 3rd lens with focal power；The 4th lens with negative power, its image side surface are
Concave surface；The 5th lens with focal power, its thing side are convex surface；The 6th lens with focal power, its thing side are convex surface,
Image side surface is concave surface.
In embodiments herein, maximum angle of half field-of view HFOV≤25 ° of imaging lens, specifically, meet HFOV≤
19°.And meet f/f1 >=2.0 between the effective focal length f of imaging lens and the effective focal length f1 of the first lens, it is specifically, full
Sufficient f/f1 >=2.00.By meeting above-mentioned relation, the maximum angle of half field-of view of imaging lens, reasonable selection first can be rationally controlled
The effective focal length of lens, imaging lens are made to meet focal length characteristic and with the ability of preferably balance aberration.
In embodiments herein, distance TTL and imaging lens has on the first lens thing side to the axle of imaging surface
Meet TTL/f≤1.0 between effect focal length f, specifically, meet TTL/f≤0.91.By meeting above-mentioned relation, can rationally control
Distance and its effective focal length on the first lens thing side to the axle of imaging surface of optical system processed, meet the same of camera lens focal length characteristic
When keep camera lens miniaturization.
In embodiments herein, meet between the effective focal length f2 of the second lens and the effective focal length f4 of the 4th lens
0.4<f2/f4<1.5, specifically, meet 0.49≤f2/f4≤1.17., being capable of reasonable selection second by meeting above-mentioned relation
The effective focal length of lens and the 4th lens, the ability for making imaging lens that there is the preferably balance curvature of field.
In embodiments herein, the effective focal length f and the 3rd lens of imaging lens and the 4th lens are on optical axis
Meet 4.0 between the T34 of airspace<f/T34<5.0, specifically, meet 4.60≤f/T34≤4.78.By meeting above-mentioned pass
System, can rationally set the airspace of the 3rd lens and the 4th lens on optical axis, imaging lens is relatively easily balanced
The curvature of field and distortion.
In embodiments herein, the curvature of the lens thing side of radius of curvature R 12 and the 6th of the 6th lens image side surface
Meet 0.5 between radius R11<R12/R11<2.0, more specifically, meeting 0.68≤R12/R11≤1.83.It is above-mentioned by meeting
Relation, the radius of curvature of the 6th lens image side surface and thing side can be rationally set, enable imaging lens preferably matching chip
Chief ray angle.
In embodiments herein, the radius of curvature R 1 of the effective focal length f1 of the first lens and the first lens thing side it
Between meet 1.0<f1/R1<2.0, more specifically, meeting 1.74≤f1/R1≤1.88., can be reasonable by meeting above-mentioned relation
The effective focal length and radius of curvature of first lens are set, the ability for making imaging lens possess preferably balance astigmatism.
In embodiments herein, the radius of curvature R 4 of the effective focal length f2 of the second lens and the second lens image side surface it
Between meet -2.5<f2/R4<- 1.0, more specifically, meeting -2.07≤f2/R4≤- 1.49., can by meeting above-mentioned relation
The radius of curvature of second lens is rationally set, imaging lens is possessed the preferably balance curvature of field and the ability of distortion.
In embodiments herein, the center thickness CT1 and the first lens of the first lens and the second lens are on optical axis
Airspace T12 between meet 4.0<CT1/T12<5.5, more specifically, meeting 4.47≤CT1/T12≤5.06.By full
Sufficient above-mentioned relation, can rationally it control between the air of the center thickness and the first lens and the second lens of the first lens on optical axis
Ratio between, make optical system that there is the preferably balance curvature of field and the ability of dispersion.
In embodiments herein, the curvature half of the effective focal length f of optical imagery eyeglass group and the first lens thing side
Meet 3.5 between the R1 of footpath<f/R1<4.5, more specifically, meeting 3.57≤f/R1≤4.05., can by meeting above-mentioned relation
The radius of curvature of first lens is rationally set, can be easier to balance aberration, the imaging performance of lifting system.
In embodiments herein, the effective focal length f of imaging lens, the effective focal length f1 of the first lens and the second lens
Effective focal length f2 between meet 3.0<|f/f1|+|f/f2|<4.0, more specifically, satisfaction 3.30≤| f/f1 |+| f/f2 |≤
3.59.By meeting above-mentioned relation, it is capable of the effective focal length of the lens of reasonable distribution first and the second lens, reduces the deflection of light
Angle, so as to reduce the sensitiveness of system.
It is full between the center thickness CT4 of the 4th lens and the center thickness CT5 of the 5th lens in embodiments herein
Foot 0<CT4/CT5<1.0, more specifically, meeting 0.43≤CT4/CT5≤0.57.It is saturating by the lens of reasonable layout the 4th and the 5th
The center thickness of mirror, the ability that can make imaging lens that there is preferably balance coma.
In embodiments herein, the airspace T45 and the 5th lens of the 4th lens and the 5th lens on optical axis
And the 6th meet 1.5 between airspace T56 of the lens on optical axis<T45/T56<4.0, more specifically, satisfaction 1.54≤
T45/T56≤3.85.By meeting above-mentioned relation, can rationally control between the air of the 4th lens and the 5th lens on optical axis
Ratio between the airspace of the 5th lens and the 6th lens on optical axis, make optical system that there is preferably balance color
The ability for dissipating and distorting.
In embodiments herein, effective focal length f and the 4th lens of imaging lens, the 5th lens and the 6th lens
Meet -0.9 between combined focal length f456<f/f456<- 0.3, more specifically, meeting -0.76≤f/f456≤- 0.44.By full
Sufficient above-mentioned relation, the combined focal length of the 4th lens, the 5th lens and the 6th lens can be rationally set, close system focal length distribution
Reason, reduce the sensitiveness of system.
In embodiments herein, the center thickness CT5 and the 5th lens of the 5th lens and the 6th lens are on optical axis
Airspace T56 between meet 6.0<CT5/T56<20.0, more specifically, meeting 6.78≤CT5/T56≤15.94.Pass through
Meet above-mentioned relation, can rationally control the air of the center thickness and the 5th lens and the 6th lens of the 5th lens on optical axis
Ratio between interval, so as to balance astigmatism, lifting system performance.
In embodiments herein, the curvature half of the lens thing side of radius of curvature R 8 and the 5th of the 4th lens image side surface
Meet 0 between the R9 of footpath<R8/R9<1.0, more specifically, meeting 0.40≤R8/R9≤0.88., can by meeting above-mentioned relation
The ratio of the radius of curvature of 4th lens image side surface and the radius of curvature of the 5th lens thing side is rationally set, by the distortion of system
Control is within the acceptable range.
The application is further described below in conjunction with specific embodiment.
Embodiment 1
Imaging lens with reference first to Fig. 1 to Fig. 5 descriptions according to the embodiment of the present application 1.
Fig. 1 is the structural representation for the imaging lens for showing embodiment 1.As shown in figure 1, imaging lens include 6 thoroughly
Mirror.This 6 lens are respectively the first lens E1 with thing side S1 and image side surface S2, with thing side S3's and image side surface S4
It is second lens E2, the 3rd lens E3 with thing side S5 and image side surface S6, the with thing side S7 and image side surface S8 the 4th saturating
Mirror E4, the 5th lens E5 with thing side S9 and image side surface S10 and the 6th lens with thing side S11 and image side surface S12
E6.First lens E1 is set gradually to the 6th lens E6 from the thing side of imaging lens to image side.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have positive light coke, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
The imaging lens also include being used for the optical filter E7 with thing side S13 and image side surface S14 for filtering out infrared light.
In the embodiment, the light from object sequentially passes through each surface S1 to S14 and is ultimately imaged on imaging surface S15.
In this embodiment, the first lens E1 to the 6th lens E6 has respective effective focal length f1 to f6 respectively.First
Lens E1 is arranged in order along optical axis to the 6th lens E6 and has together decided on total effective focal length f of imaging lens.Table 1 below is shown
First lens E1 to the 6th lens E6 effective focal length f1 to f6, total effective focal length f of imaging lens, the overall length of imaging lens
Spend the maximum angle of half field-of view HFOV (°) of TTL (mm) and imaging lens.
| f1(mm) | 3.36 | f(mm) | 6.72 |
| f2(mm) | -5.17 | TTL(mm) | 6.48 |
| f3(mm) | 999.81 | HFOV(°) | 20.0 |
| f4(mm) | -5.02 | ||
| f5(mm) | 10.66 | ||
| f6(mm) | 53.38 |
Table 1
Table 2 show the surface type of each lens in the imaging lens in the embodiment, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 2
In the present embodiment, each lens can use non-spherical lens, and each aspherical face type x is limited by below equation：
Wherein, x be it is aspherical along optical axis direction when being highly h position, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse)；K be circular cone coefficient (
Provided in table 2)；Ai is the correction factor of aspherical i-th-th ranks.
Table 3 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number.
Table 3
Fig. 2 shows chromatic curve on the axle of the imaging lens of embodiment 1, and it represents the light of different wave length via optics
Converging focal point after system deviates.Fig. 3 shows the astigmatism curve of the imaging lens of embodiment 1, and it represents meridianal image surface bending
Bent with sagittal image surface.Fig. 4 shows the distortion curve of the imaging lens of embodiment 1, abnormal in the case of its expression different visual angles
Become sizes values.Fig. 5 shows the ratio chromatism, curve of the imaging lens of embodiment 1, its represent light via after imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 2 can be seen that the imaging lens according to embodiment 1 to Fig. 5
Head has the small depth of field and big enlargement ratio, is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 2
Imaging lens referring to Fig. 6 to Figure 10 descriptions according to the embodiment of the present application 2.
Fig. 6 is the structural representation for the imaging lens for showing embodiment 2.As shown in fig. 6, imaging lens include 6 thoroughly
Mirror.This 6 lens are respectively the first lens E1 with thing side S1 and image side surface S2, with thing side S3's and image side surface S4
It is second lens E2, the 3rd lens E3 with thing side S5 and image side surface S6, the with thing side S7 and image side surface S8 the 4th saturating
Mirror E4, the 5th lens E5 with thing side S9 and image side surface S10 and the 6th lens with thing side S11 and image side surface S12
E6.First lens E1 is set gradually to the 6th lens E6 from the thing side of imaging lens to image side.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have negative power, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
The imaging lens also include being used for the optical filter E7 with thing side S13 and image side surface S14 for filtering out infrared light.
In the embodiment, the light from object sequentially passes through each surface S1 to S14 and is ultimately imaged in imaging surface S15.
Table 4 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.28 | f(mm) | 6.72 |
| f2(mm) | -5.14 | TTL(mm) | 6.48 |
| f3(mm) | -58.80 | HFOV(°) | 20.0 |
| f4(mm) | -5.38 | ||
| f5(mm) | -497.65 | ||
| f6(mm) | 7.96 |
Table 4
Table 5 show the surface type of each lens in the imaging lens in the embodiment, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 5
Table 6 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number.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 | 20 |
| S1 | 2.6480E-03 | 3.6370E-03 | -1.1900E-02 | 3.1251E-02 | -4.8290E-02 | 4.6256E-02 | -2.6620E-02 | 8.4720E-03 | -1.1500E-03 |
| S2 | 4.9500E-04 | 2.8326E-02 | -6.6970E-02 | 1.7245E-01 | -3.2233E-01 | 3.9167E-01 | -2.9221E-01 | 1.2102E-01 | -2.1280E-02 |
| S3 | -3.7310E-02 | 1.0516E-01 | -9.8170E-02 | 7.3930E-02 | -2.2660E-02 | -4.4160E-02 | 6.4482E-02 | -3.7370E-02 | 8.5790E-03 |
| S4 | -5.3570E-02 | 1.1949E-01 | -4.1460E-02 | -1.2708E-01 | 5.7839E-01 | -1.1093E+00 | 1.1986E+00 | -7.1401E-01 | 1.8075E-01 |
| S5 | -3.2480E-02 | 5.8281E-02 | 2.9140E-02 | -5.3590E-02 | 8.2672E-02 | -4.1350E-02 | -6.2020E-02 | 8.1603E-02 | -2.7130E-02 |
| S6 | 5.7930E-03 | 3.9486E-02 | 1.9262E-02 | -3.5600E-02 | 3.4348E-02 | 2.3937E-02 | -8.9150E-02 | 7.1809E-02 | -1.9320E-02 |
| S7 | -9.3850E-02 | 6.4524E-02 | -8.6120E-02 | 8.0345E-02 | -4.2000E-02 | 8.2920E-03 | 2.4400E-03 | -1.5200E-03 | 2.1100E-04 |
| S8 | -4.2830E-02 | 5.3949E-02 | -7.0990E-02 | 5.5852E-02 | -2.7050E-02 | 8.0240E-03 | -1.3900E-03 | 1.2300E-04 | -3.9000E-06 |
| S9 | -4.7130E-02 | 6.3033E-02 | -5.7530E-02 | 3.4160E-02 | -1.3430E-02 | 3.4660E-03 | -5.7000E-04 | 5.3100E-05 | -2.2000E-06 |
| S10 | -8.3080E-02 | 5.4482E-02 | -3.9220E-02 | 2.4203E-02 | -1.0900E-02 | 3.3080E-03 | -6.3000E-04 | 6.6600E-05 | -3.0000E-06 |
| S11 | -5.6400E-02 | 2.9029E-02 | -1.4650E-02 | 8.0370E-03 | -3.6600E-03 | 1.1350E-03 | -2.1000E-04 | 2.2200E-05 | -9.6000E-07 |
| S12 | -5.2900E-02 | 2.9148E-02 | -1.3100E-02 | 4.9330E-03 | -1.5600E-03 | 3.7500E-04 | -6.0000E-05 | 5.4800E-06 | -2.1000E-07 |
Table 6
Fig. 7 shows chromatic curve on the axle of the imaging lens of embodiment 2, and it represents the light of different wave length via optics
Converging focal point after system deviates.Fig. 8 shows the astigmatism curve of the imaging lens of embodiment 2, and it represents meridianal image surface bending
Bent with sagittal image surface.Fig. 9 shows the distortion curve of the imaging lens of embodiment 2, abnormal in the case of its expression different visual angles
Become sizes values.Figure 10 shows the ratio chromatism, curve of the imaging lens of embodiment 2, its represent light via after imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 7 can be seen that the imaging according to embodiment 2 to Figure 10
Camera lens has the small depth of field and big enlargement ratio, is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 3
Imaging lens referring to Figure 11 to Figure 15 descriptions according to the embodiment of the present application 3.
Figure 11 is the structural representation for the imaging lens for showing embodiment 3.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 7 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.29 | f(mm) | 6.73 |
| f2(mm) | -5.16 | TTL(mm) | 6.46 |
| f3(mm) | -81.62 | HFOV(°) | 20.0 |
| f4(mm) | -4.83 | ||
| f5(mm) | 8.27 | ||
| f6(mm) | 642.17 |
Table 7
Table 8 show the surface type of each lens in the imaging lens in the embodiment, radius of curvature, thickness, material and
Circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 8
Table 9 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, 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 | 3.2160E-03 | 4.4330E-03 | -1.4050E-02 | 3.5340E-02 | -5.2800E-02 | 4.9171E-02 | -2.7720E-02 | 8.7040E-03 | -1.1700E-03 |
| S2 | 5.4860E-03 | 1.7573E-02 | -4.4340E-02 | 1.2034E-01 | -2.2704E-01 | 2.7370E-01 | -2.0202E-01 | 8.2410E-02 | -1.4240E-02 |
| S3 | -3.2230E-02 | 7.8399E-02 | -2.6840E-02 | -9.4810E-02 | 3.1085E-01 | -5.0169E-01 | 4.5874E-01 | -2.2881E-01 | 4.8417E-02 |
| S4 | -5.1660E-02 | 9.0208E-02 | 9.0751E-02 | -6.2058E-01 | 1.9739E+00 | -3.6836E+00 | 4.1288E+00 | -2.5703E+00 | 6.8237E-01 |
| S5 | -2.8200E-02 | 5.4452E-02 | -1.9860E-02 | 1.9535E-01 | -6.0651E-01 | 1.1295E+00 | -1.2568E+00 | 7.5513E-01 | -1.8777E-01 |
| S6 | 1.2724E-02 | 3.8514E-02 | -1.5860E-02 | 1.2860E-01 | -4.0005E-01 | 7.2874E-01 | -7.7483E-01 | 4.3904E-01 | -1.0197E-01 |
| S7 | -1.1061E-01 | 1.0743E-01 | -1.3591E-01 | 1.0780E-01 | -4.4320E-02 | 3.2650E-03 | 4.8740E-03 | -1.9400E-03 | 2.3500E-04 |
| S8 | -6.7140E-02 | 1.1629E-01 | -1.3730E-01 | 9.3712E-02 | -3.9500E-02 | 1.0318E-02 | -1.5900E-03 | 1.2700E-04 | -3.6000E-06 |
| S9 | -6.8310E-02 | 1.0690E-01 | -9.5670E-02 | 5.2782E-02 | -1.8790E-02 | 4.3450E-03 | -6.3000E-04 | 5.2800E-05 | -1.9000E-06 |
| S10 | -6.3570E-02 | 3.5276E-02 | -1.9000E-02 | 9.4220E-03 | -3.7400E-03 | 1.0610E-03 | -1.9000E-04 | 2.0200E-05 | -8.9000E-07 |
| S11 | -5.0550E-02 | 2.5467E-02 | -1.0960E-02 | 4.5710E-03 | -1.6800E-03 | 4.6000E-04 | -8.1000E-05 | 7.9700E-06 | -3.3000E-07 |
| S12 | -5.1000E-02 | 2.7796E-02 | -1.2680E-02 | 4.7190E-03 | -1.4300E-03 | 3.2300E-04 | -4.9000E-05 | 4.3300E-06 | -1.7000E-07 |
Table 9
Figure 12 shows chromatic curve on the axle of the imaging lens of embodiment 3, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 13 shows the astigmatism curve of the imaging lens of embodiment 3, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Figure 14 shows the distortion curve of the imaging lens of embodiment 3, and it is represented in the case of different visual angles
Distort sizes values.Figure 15 shows the ratio chromatism, curve of the imaging lens of embodiment 3, after it represents light via imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 12 to Figure 15 can be seen that according to embodiment 3 into
As camera lens has the small depth of field and big enlargement ratio, it is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 4
Imaging lens referring to Figure 16 to Figure 20 descriptions according to the embodiment of the present application 4.
Figure 16 is the structural representation for the imaging lens for showing embodiment 4.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 10 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.27 | f(mm) | 7.10 |
| f2(mm) | -5.18 | TTL(mm) | 6.48 |
| f3(mm) | -71.32 | HFOV(°) | 19.0 |
| f4(mm) | -4.90 | ||
| f5(mm) | 10.41 | ||
| f6(mm) | -645.81 |
Table 10
Table 11 below shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens in the embodiment
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 11
Table 12 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, 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 | 3.2430E-03 | 3.3320E-03 | -9.5700E-03 | 2.4748E-02 | -3.6670E-02 | 3.3309E-02 | -1.8120E-02 | 5.4790E-03 | -7.2000E-04 |
| S2 | 5.4670E-03 | 1.8527E-02 | -3.7450E-02 | 7.4559E-02 | -1.1259E-01 | 1.1679E-01 | -7.7070E-02 | 2.8115E-02 | -4.3000E-03 |
| S3 | -3.1880E-02 | 7.7121E-02 | -1.3120E-02 | -1.7255E-01 | 4.9681E-01 | -7.2658E-01 | 6.0032E-01 | -2.6988E-01 | 5.1567E-02 |
| S4 | -5.2070E-02 | 1.1037E-01 | -9.0250E-02 | 2.6074E-01 | -7.2730E-01 | 1.4992E+00 | -1.8426E+00 | 1.1944E+00 | -3.1601E-01 |
| S5 | -2.9990E-02 | 7.7467E-02 | -1.4688E-01 | 5.8129E-01 | -1.3445E+00 | 2.0271E+00 | -1.9041E+00 | 9.8654E-01 | -2.1310E-01 |
| S6 | 1.0654E-02 | 6.9840E-02 | -1.9640E-01 | 7.5940E-01 | -1.7903E+00 | 2.6786E+00 | -2.4352E+00 | 1.2115E+00 | -2.5159E-01 |
| S7 | -1.0071E-01 | 3.9927E-02 | 4.4020E-02 | -2.2502E-01 | 3.3672E-01 | -2.6284E-01 | 1.1597E-01 | -2.7450E-02 | 2.7110E-03 |
| S8 | -6.4880E-02 | 1.2368E-01 | -1.5532E-01 | 1.1155E-01 | -5.0020E-02 | 1.4440E-02 | -2.6400E-03 | 2.8100E-04 | -1.3000E-05 |
| S9 | -7.5430E-02 | 1.1673E-01 | -1.0630E-01 | 6.3821E-02 | -2.6650E-02 | 7.7160E-03 | -1.4700E-03 | 1.6300E-04 | -7.9000E-06 |
| S10 | -5.3460E-02 | 3.2532E-02 | -2.1910E-02 | 1.2131E-02 | -4.4500E-03 | 1.0080E-03 | -1.3000E-04 | 8.8700E-06 | -2.2000E-07 |
| S11 | -5.4780E-02 | 2.6019E-02 | -3.9100E-03 | -5.0400E-03 | 4.3710E-03 | -1.6800E-03 | 3.5500E-04 | -4.0000E-05 | 1.8400E-06 |
| S12 | -5.9320E-02 | 2.9718E-02 | -8.1000E-03 | -1.0400E-03 | 1.9270E-03 | -8.0000E-04 | 1.7100E-04 | -1.9000E-05 | 8.9200E-07 |
Table 12
Figure 17 shows chromatic curve on the axle of the imaging lens of embodiment 4, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 18 shows the astigmatism curve of the imaging lens of embodiment 4, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Figure 19 shows the distortion curve of the imaging lens of embodiment 4, and it is represented in the case of different visual angles
Distort sizes values.Figure 20 shows the ratio chromatism, curve of the imaging lens of embodiment 4, after it represents light via imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 17 to Figure 20 can be seen that according to embodiment 4 into
As camera lens has the small depth of field and big enlargement ratio, it is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 5
Imaging lens referring to Figure 21 to Figure 25 descriptions according to the embodiment of the present application 5.
Figure 21 is the structural representation for the imaging lens for showing embodiment 5.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is convex surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 13 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.24 | f(mm) | 6.72 |
| f2(mm) | -5.04 | TTL(mm) | 6.45 |
| f3(mm) | -59.01 | HFOV(°) | 20.0 |
| f4(mm) | -4.88 | ||
| f5(mm) | 10.32 | ||
| f6(mm) | 32.45 |
Table 13
Table 14 below shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens in the embodiment
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 14
Table 15 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, 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 | 2.9570E-03 | 3.9250E-03 | -1.2780E-02 | 3.3172E-02 | -5.0820E-02 | 4.8287E-02 | -2.7650E-02 | 8.7830E-03 | -1.1900E-03 |
| S2 | 3.9910E-03 | 2.4079E-02 | -6.7880E-02 | 1.8831E-01 | -3.5924E-01 | 4.3720E-01 | -3.2467E-01 | 1.3343E-01 | -2.3250E-02 |
| S3 | -3.4210E-02 | 9.1435E-02 | -6.8210E-02 | 1.3316E-02 | 9.4560E-02 | -2.0947E-01 | 2.1254E-01 | -1.1209E-01 | 2.4677E-02 |
| S4 | -5.3170E-02 | 1.0071E-01 | 5.0834E-02 | -4.9383E-01 | 1.6403E+00 | -3.0748E+00 | 3.4247E+00 | -2.1122E+00 | 5.5434E-01 |
| S5 | -2.9240E-02 | 5.5589E-02 | -9.1100E-03 | 1.3146E-01 | -4.0413E-01 | 7.5740E-01 | -8.5811E-01 | 5.2214E-01 | -1.3064E-01 |
| S6 | 1.1021E-02 | 3.6756E-02 | 3.5530E-03 | 4.1151E-02 | -1.6374E-01 | 3.4244E-01 | -3.9967E-01 | 2.3913E-01 | -5.7280E-02 |
| S7 | -1.0816E-01 | 1.0508E-01 | -1.4199E-01 | 1.2123E-01 | -5.5540E-02 | 7.1430E-03 | 4.9090E-03 | -2.2700E-03 | 2.9000E-04 |
| S8 | -6.0290E-02 | 1.0455E-01 | -1.3168E-01 | 9.7023E-02 | -4.4410E-02 | 1.2702E-02 | -2.1800E-03 | 2.0200E-04 | -7.5000E-06 |
| S9 | -6.2520E-02 | 9.4681E-02 | -8.5020E-02 | 4.7490E-02 | -1.7180E-02 | 4.0380E-03 | -6.0000E-04 | 5.0900E-05 | -1.9000E-06 |
| S10 | -6.4710E-02 | 3.4027E-02 | -1.8080E-02 | 8.9190E-03 | -3.6800E-03 | 1.1260E-03 | -2.2000E-04 | 2.5000E-05 | -1.2000E-06 |
| S11 | -5.1350E-02 | 2.7345E-02 | -1.2380E-02 | 5.4170E-03 | -2.0600E-03 | 5.7300E-04 | -1.0000E-04 | 1.0200E-05 | -4.3000E-07 |
| S12 | -5.0260E-02 | 2.7908E-02 | -1.2450E-02 | 4.4530E-03 | -1.2900E-03 | 2.8300E-04 | -4.2000E-05 | 3.6300E-06 | -1.4000E-07 |
Table 15
Figure 22 shows chromatic curve on the axle of the imaging lens of embodiment 5, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 23 shows the astigmatism curve of the imaging lens of embodiment 5, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Figure 24 shows the distortion curve of the imaging lens of embodiment 5, and it is represented in the case of different visual angles
Distort sizes values.Figure 25 shows the ratio chromatism, curve of the imaging lens of embodiment 5, after it represents light via imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 22 to Figure 25 can be seen that according to embodiment 5 into
As camera lens has the small depth of field and big enlargement ratio, it is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 6
Imaging lens referring to Figure 26 to Figure 30 descriptions according to the embodiment of the present application 6.
Figure 26 is the structural representation for the imaging lens for showing embodiment 6.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 16 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
Table 16
Table 17 below shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens in the embodiment
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 17
Table 18 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 18
Figure 27 shows chromatic curve on the axle of the imaging lens of embodiment 6, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 28 shows the astigmatism curve of the imaging lens of embodiment 6, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Figure 29 shows the distortion curve of the imaging lens of embodiment 6, and it is represented in the case of different visual angles
Distort sizes values.Figure 30 shows the ratio chromatism, curve of the imaging lens of embodiment 6, after it represents light via imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 27 to Figure 30 can be seen that according to embodiment 6 into
As camera lens has the small depth of field and big enlargement ratio, it is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 7
Imaging lens referring to Figure 31 to Figure 35 descriptions according to the embodiment of the present application 7.
Figure 31 is the structural representation for the imaging lens for showing embodiment 7.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be convex surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 19 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.28 | f(mm) | 6.72 |
| f2(mm) | -5.13 | TTL(mm) | 6.48 |
| f3(mm) | -61.03 | HFOV(°) | 20.0 |
| f4(mm) | -5.35 | ||
| f5(mm) | 6.77 | ||
| f6(mm) | -23.68 |
Table 19
Table 20 below shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens in the embodiment
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 20
Table 21 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | 10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 2.6060E-03 | 3.6920E-03 | -1.2240E-02 | 3.2110E-02 | -4.9650E-02 | 4.7577E-02 | -2.7400E-02 | 8.7230E-03 | -1.1800E-03 |
| S2 | 2.4900E-04 | 2.8574E-02 | -6.7240E-02 | 1.7266E-01 | -3.2164E-01 | 3.8996E-01 | -2.9045E-01 | 1.2015E-01 | -2.1110E-02 |
| S3 | -3.7530E-02 | 1.0480E-01 | -9.3200E-02 | 5.3055E-02 | 2.9644E-02 | -1.2342E-01 | 1.3614E-01 | -7.3050E-02 | 1.6084E-02 |
| S4 | -5.3420E-02 | 1.1936E-01 | -4.1160E-02 | -1.2238E-01 | 5.4719E-01 | -1.0176E+00 | 1.0585E+00 | -6.0503E-01 | 1.4568E-01 |
| S5 | -3.2210E-02 | 5.8218E-02 | 2.6600E-02 | -4.1140E-02 | 5.0014E-02 | 1.4855E-02 | -1.1934E-01 | 1.1261E-01 | -3.4160E-02 |
| S6 | 5.7130E-03 | 3.9841E-02 | 1.3937E-02 | -1.7830E-02 | -2.4200E-03 | 7.4619E-02 | -1.3246E-01 | 9.2547E-02 | -2.3720E-02 |
| S7 | -1.0329E-01 | 8.4221E-02 | -1.1922E-01 | 1.1964E-01 | -7.2700E-02 | 2.3450E-02 | -2.0500E-03 | -8.0000E-04 | 1.6200E-04 |
| S8 | -4.6890E-02 | 6.9363E-02 | -9.6020E-02 | 7.9034E-02 | -3.9910E-02 | 1.2366E-02 | -2.2500E-03 | 2.1500E-04 | -7.9000E-06 |
| S9 | -5.0440E-02 | 7.4171E-02 | -7.2560E-02 | 4.4329E-02 | -1.7260E-02 | 4.2490E-03 | -6.3000E-04 | 5.1500E-05 | -1.7000E-06 |
| S10 | -5.1040E-02 | 2.7924E-02 | -1.9710E-02 | 1.1942E-02 | -5.3300E-03 | 1.6540E-03 | -3.3000E-04 | 3.5800E-05 | -1.6000E-06 |
| S11 | -5.6650E-02 | 3.4846E-02 | -1.8770E-02 | 9.3420E-03 | -3.7200E-03 | 1.0420E-03 | -1.9000E-04 | 1.8600E-05 | -7.9000E-07 |
| S12 | -5.1810E-02 | 2.8521E-02 | -1.2240E-02 | 4.3640E-03 | -1.3200E-03 | 3.0700E-04 | -4.8000E-05 | 4.3400E-06 | -1.7000E-07 |
Table 21
Figure 32 shows chromatic curve on the axle of the imaging lens of embodiment 7, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 33 shows the astigmatism curve of the imaging lens of embodiment 7, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Figure 34 shows the distortion curve of the imaging lens of embodiment 7, and it is represented in the case of different visual angles
Distort sizes values.Figure 35 shows the ratio chromatism, curve of the imaging lens of embodiment 7, after it represents light via imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 31 to Figure 35 can be seen that according to embodiment 7 into
As camera lens has the small depth of field and big enlargement ratio, it is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 8
Imaging lens referring to Figure 36 to Figure 40 descriptions according to the embodiment of the present application 8.
Figure 36 is the structural representation for the imaging lens for showing embodiment 8.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is concave surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have negative power, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 22 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.32 | f(mm) | 6.77 |
| f2(mm) | -5.33 | TTL(mm) | 6.48 |
| f3(mm) | -56.30 | HFOV(°) | 20.0 |
| f4(mm) | -10.87 | ||
| f5(mm) | -496.01 | ||
| f6(mm) | -499.99 |
Table 22
Table 23 below shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens in the embodiment
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 23
Table 24 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, 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 | 2.2880E-03 | 5.3890E-03 | -1.9870E-02 | 5.1145E-02 | -7.8250E-02 | 7.3960E-02 | -4.1940E-02 | 1.3114E-02 | -1.7400E-03 |
| S2 | 8.2500E-04 | 2.2754E-02 | -5.0910E-02 | 1.4487E-01 | -2.9343E-01 | 3.7783E-01 | -2.9443E-01 | 1.2616E-01 | -2.2790E-02 |
| S3 | -3.5110E-02 | 9.8077E-02 | -1.1310E-01 | 2.1791E-01 | -4.5074E-01 | 6.5518E-01 | -5.9899E-01 | 3.0414E-01 | -6.5170E-02 |
| S4 | -5.2480E-02 | 1.3917E-01 | -2.7254E-01 | 1.0670E+00 | -2.9961E+00 | 5.4468E+00 | -6.0504E+00 | 3.7146E+00 | -9.6815E-01 |
| S5 | -3.0790E-02 | 1.4122E-02 | 2.6966E-01 | -8.3032E-01 | 1.7342E+00 | -2.3073E+00 | 1.8676E+00 | -8.4694E-01 | 1.6548E-01 |
| S6 | 7.8140E-03 | -1.0700E-02 | 2.9321E-01 | -9.2232E-01 | 1.8836E+00 | -2.4270E+00 | 1.9076E+00 | -8.3884E-01 | 1.5814E-01 |
| S7 | -4.8120E-02 | -3.8400E-03 | -1.2750E-02 | 1.7013E-02 | -4.0700E-03 | -5.5300E-03 | 5.0490E-03 | -1.6400E-03 | 1.9100E-04 |
| S8 | -3.8630E-02 | 5.2405E-02 | -7.2890E-02 | 6.1043E-02 | -3.1610E-02 | 9.8630E-03 | -1.7300E-03 | 1.4600E-04 | -3.6000E-06 |
| S9 | -3.9420E-02 | 6.2094E-02 | -6.1730E-02 | 4.2550E-02 | -2.0150E-02 | 6.2190E-03 | -1.1800E-03 | 1.2500E-04 | -5.6000E-06 |
| S10 | -9.2980E-02 | 6.4536E-02 | -5.3900E-02 | 3.8704E-02 | -1.9730E-02 | 6.6240E-03 | -1.3700E-03 | 1.5800E-04 | -7.7000E-06 |
| S11 | -6.4730E-02 | 4.0193E-02 | -2.3570E-02 | 1.3639E-02 | -6.4300E-03 | 2.0950E-03 | -4.2000E-04 | 4.7000E-05 | -2.2000E-06 |
| S12 | -5.2510E-02 | 2.9065E-02 | -1.3540E-02 | 5.1680E-03 | -1.5700E-03 | 3.5400E-04 | -5.4000E-05 | 4.8100E-06 | -1.9000E-07 |
Table 24
Figure 37 shows chromatic curve on the axle of the imaging lens of embodiment 8, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 38 shows the astigmatism curve of the imaging lens of embodiment 8, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Figure 39 shows the distortion curve of the imaging lens of embodiment 8, and it is represented in the case of different visual angles
Distort sizes values.Figure 40 shows the ratio chromatism, curve of the imaging lens of embodiment 8, after it represents light via imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 36 to Figure 40 can be seen that according to embodiment 8 into
As camera lens has the small depth of field and big enlargement ratio, it is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 9
Imaging lens referring to Figure 41 to Figure 45 descriptions according to the embodiment of the present application 9.
Figure 41 is the structural representation for the imaging lens for showing embodiment 9.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is convex surface.
Second lens E2 can have negative power, and its thing side S3 can be concave surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be convex surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be convex surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have positive light coke, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 25 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.10 | f(mm) | 6.38 |
| f2(mm) | -4.80 | TTL(mm) | 6.30 |
| f3(mm) | -35.58 | HFOV(°) | 21.0 |
| f4(mm) | -4.72 | ||
| f5(mm) | 11.49 | ||
| f6(mm) | 13.40 |
Table 25
Table 26 below shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens in the embodiment
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 26
Table 27 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, 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 | 3.1560E-03 | 2.4570E-03 | -7.2200E-03 | 2.4185E-02 | -4.4840E-02 | 5.0564E-02 | -3.3730E-02 | 1.2284E-02 | -1.8800E-03 |
| S2 | 7.1290E-03 | 1.4832E-02 | -3.1540E-02 | 8.2282E-02 | -1.7032E-01 | 2.3835E-01 | -2.0781E-01 | 1.0020E-01 | -2.0280E-02 |
| S3 | -3.1980E-02 | 9.0806E-02 | -5.9010E-02 | -5.9420E-02 | 3.2000E-01 | -6.1343E-01 | 6.3135E-01 | -3.4809E-01 | 8.1606E-02 |
| S4 | -5.3840E-02 | 1.0742E-01 | 4.3098E-02 | -4.8902E-01 | 1.6891E+00 | -3.2768E+00 | 3.7535E+00 | -2.3915E+00 | 6.5709E-01 |
| S5 | -3.7250E-02 | 4.5445E-02 | 9.3415E-02 | -2.6973E-01 | 6.9009E-01 | -1.1161E+00 | 1.0302E+00 | -5.1571E-01 | 1.1130E-01 |
| S6 | 8.6780E-03 | 2.2315E-02 | 1.0251E-01 | -3.0557E-01 | 6.6945E-01 | -9.2748E-01 | 7.6535E-01 | -3.5276E-01 | 7.1301E-02 |
| S7 | -8.2580E-02 | 7.2663E-02 | -1.3297E-01 | 1.2868E-01 | -6.1690E-02 | 7.8170E-03 | 5.7380E-03 | -2.6000E-03 | 3.2900E-04 |
| S8 | -6.2160E-02 | 1.3550E-01 | -2.0287E-01 | 1.6562E-01 | -8.2080E-02 | 2.5294E-02 | -4.7000E-03 | 4.8000E-04 | -2.0000E-05 |
| S9 | -6.8780E-02 | 1.2591E-01 | -1.2975E-01 | 8.1252E-02 | -3.2480E-02 | 8.3380E-03 | -1.3300E-03 | 1.2100E-04 | -4.8000E-06 |
| S10 | -5.8340E-02 | 2.6367E-02 | -9.1800E-03 | 1.3110E-03 | 4.6800E-04 | -2.7000E-04 | 5.6100E-05 | -5.7000E-06 | 2.4700E-07 |
| S11 | -5.3310E-02 | 2.7461E-02 | -1.3650E-02 | 6.4940E-03 | -2.5500E-03 | 7.1500E-04 | -1.3000E-04 | 1.2600E-05 | -5.2000E-07 |
| S12 | -5.3900E-02 | 3.0747E-02 | -1.2640E-02 | 4.1080E-03 | -1.0900E-03 | 2.1900E-04 | -3.0000E-05 | 2.4600E-06 | -8.8000E-08 |
Table 27
Figure 42 shows chromatic curve on the axle of the imaging lens of embodiment 9, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 43 shows the astigmatism curve of the imaging lens of embodiment 9, and it represents that meridianal image surface is curved
The bending of bent and sagittal image surface.Figure 44 shows the distortion curve of the imaging lens of embodiment 9, and it is represented in the case of different visual angles
Distort sizes values.Figure 45 shows the ratio chromatism, curve of the imaging lens of embodiment 9, after it represents light via imaging lens
The deviation of different image heights on imaging surface.In summary and reference picture 41 to Figure 45 can be seen that according to embodiment 9 into
As camera lens has the small depth of field and big enlargement ratio, it is adapted for the imaging lens for shooting distant place scenery and miniaturization.
Embodiment 10
Imaging lens referring to Figure 46 to Figure 50 descriptions according to the embodiment of the present application 10.
Figure 46 is the structural representation for the imaging lens for showing embodiment 10.Imaging lens are wrapped successively by thing side to image side
Include the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1 can have positive light coke, and its thing side S1 can be convex surface, and image side surface S2 is convex surface.
Second lens E2 can have negative power, and its thing side S3 can be convex surface, and image side surface S4 can be concave surface.
3rd lens E3 can have negative power, and its thing side S5 can be concave surface, and image side surface S6 can be concave surface.
4th lens E4 can have negative power, and its thing side S7 can be concave surface, and image side surface S8 can be concave surface.
5th lens E5 can have positive light coke, and its thing side S9 can be convex surface, and image side surface S10 can be concave surface.
6th lens E6 can have negative power, and its thing side S11 can be convex surface, and image side surface S12 can be concave surface.
Table 28 below shows total effectively Jiao of the first lens E1 to the 6th lens E6 effective focal length f1 to f6, imaging lens
Maximum angle of half field-of view HFOV (°) away from f, the total length TTL of imaging lens and imaging lens.
| f1(mm) | 3.15 | f(mm) | 6.91 |
| f2(mm) | -4.97 | TTL(mm) | 6.38 |
| f3(mm) | -38.03 | HFOV(°) | 19.5 |
| f4(mm) | -4.26 | ||
| f5(mm) | 6.80 | ||
| f6(mm) | -388.21 |
Table 28
Table 29 below shows surface type, radius of curvature, thickness, the material of each lens in the imaging lens in the embodiment
And circular cone coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).
Table 29
Table 30 below shows the high order term system of each aspherical S1-S12 available for each non-spherical lens in the embodiment
Number, 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 | 3.2220E-03 | 1.6630E-03 | -2.2300E-03 | 5.4580E-03 | -6.9100E-03 | 5.3320E-03 | -2.4100E-03 | 6.1400E-04 | -7.4000E-05 |
| S2 | 6.2770E-03 | 1.5950E-02 | -3.1860E-02 | 5.9382E-02 | -8.0660E-02 | 7.1097E-02 | -3.7370E-02 | 9.9010E-03 | -8.8000E-04 |
| S3 | -3.0270E-02 | 7.7196E-02 | -4.7680E-02 | -1.9350E-02 | 1.4736E-01 | -2.7160E-01 | 2.6804E-01 | -1.4379E-01 | 3.2781E-02 |
| S4 | -4.9280E-02 | 1.0573E-01 | -1.0788E-01 | 2.8807E-01 | -5.3347E-01 | 5.9856E-01 | -2.4563E-01 | -1.1526E-01 | 1.0432E-01 |
| S5 | -2.1570E-02 | 3.6692E-02 | 5.1286E-02 | -5.8270E-02 | -7.6470E-02 | 4.9246E-01 | -8.2880E-01 | 6.1991E-01 | -1.7613E-01 |
| S6 | 1.1294E-02 | 6.6305E-02 | -2.4126E-01 | 1.0928E+00 | -2.8951E+00 | 4.6785E+00 | -4.5000E+00 | 2.3584E+00 | -5.1659E-01 |
| S7 | -1.2467E-01 | 1.1159E-01 | -1.6624E-01 | 1.6147E-01 | -9.3880E-02 | 3.0354E-02 | -3.9800E-03 | -3.6000E-04 | 1.2400E-04 |
| S8 | -6.2710E-02 | 1.1559E-01 | -1.6642E-01 | 1.4249E-01 | -7.8630E-02 | 2.8235E-02 | -6.3600E-03 | 8.1500E-04 | -4.5000E-05 |
| S9 | -8.0310E-02 | 1.3298E-01 | -1.2983E-01 | 8.1287E-02 | -3.4030E-02 | 9.4490E-03 | -1.6600E-03 | 1.6700E-04 | -7.2000E-06 |
| S10 | -4.8460E-02 | 1.2709E-02 | 8.4260E-03 | -1.3800E-02 | 8.6030E-03 | -2.9800E-03 | 5.9800E-04 | -6.5000E-05 | 2.9700E-06 |
| S11 | -5.1470E-02 | 1.8139E-02 | 5.3900E-03 | -1.0490E-02 | 6.0440E-03 | -1.8900E-03 | 3.3900E-04 | -3.3000E-05 | 1.3100E-06 |
| S12 | -6.1770E-02 | 3.6520E-02 | -1.6470E-02 | 6.2500E-03 | -2.0100E-03 | 4.9200E-04 | -8.1000E-05 | 7.7500E-06 | -3.3000E-07 |
Table 30
Figure 47 shows chromatic curve on the axle of the imaging lens of embodiment 10, and it represents the light of different wave length via light
Converging focal point after system deviates.Figure 48 shows the astigmatism curve of the imaging lens of embodiment 10, and it represents meridianal image surface
Bending and sagittal image surface bending.Figure 49 shows the distortion curve of the imaging lens of embodiment 10, and it represents different visual angles situation
Under distortion sizes values.Figure 50 shows the ratio chromatism, curve of the imaging lens of embodiment 10, and it represents light via imaging
The deviation of different image heights after camera lens on imaging surface.In summary and reference picture 46 can be seen that according to implementation to Figure 50
The imaging lens of example 10 have the small depth of field and big enlargement ratio, are adapted for the imaging lens for shooting distant place scenery and miniaturization.
Put it briefly, in above-described embodiment 1 to 10, each conditional meets the condition of table 3 below 1.
| Conditional/example | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| HFOV | 20.0 | 20.0 | 20.0 | 19.0 | 20.0 | 20.0 | 20.0 | 20.0 | 21.0 | 19.5 |
| f/f1 | 2.00 | 2.05 | 2.05 | 2.17 | 2.08 | 2.04 | 2.05 | 2.04 | 2.05 | 2.20 |
| TTL/f | 0.96 | 0.96 | 0.96 | 0.91 | 0.96 | 0.96 | 0.96 | 0.96 | 0.99 | 0.92 |
| f2/f4 | 1.03 | 0.96 | 1.07 | 1.06 | 1.03 | 1.00 | 0.96 | 0.49 | 1.02 | 1.17 |
| f/T34 | 4.69 | 4.68 | 4.60 | 4.78 | 4.65 | 4.65 | 4.70 | 4.71 | 4.63 | 4.70 |
| R12/R11 | 1.12 | 1.83 | 0.98 | 0.94 | 1.20 | 1.03 | 0.68 | 0.96 | 1.39 | 0.90 |
| f1/R1 | 1.88 | 1.84 | 1.87 | 1.86 | 1.83 | 1.86 | 1.84 | 1.86 | 1.74 | 1.79 |
| f2/R4 | -2.07 | -2.00 | -1.92 | -1.87 | -1.88 | -1.97 | -2.01 | -2.07 | -1.49 | -1.79 |
| CT1/T12 | 4.75 | 4.90 | 5.06 | 4.98 | 4.95 | 4.99 | 4.87 | 4.96 | 4.47 | 4.94 |
| f/R1 | 3.76 | 3.78 | 3.82 | 4.05 | 3.79 | 3.79 | 3.77 | 3.80 | 3.57 | 3.94 |
| |f/f1|+|f/f2| | 3.30 | 3.35 | 3.35 | 3.54 | 3.41 | 3.34 | 3.36 | 3.31 | 3.38 | 3.59 |
| CT4/CT5 | 0.53 | 0.57 | 0.53 | 0.52 | 0.53 | 0.54 | 0.52 | 0.50 | 0.43 | 0.49 |
| T45/T56 | 3.69 | 2.84 | 2.77 | 2.52 | 3.20 | 3.33 | 3.85 | 3.02 | 2.33 | 1.54 |
| f/f456 | -0.61 | -0.51 | -0.57 | -0.76 | -0.55 | -0.55 | -0.54 | -0.68 | -0.44 | -0.61 |
| CT5/T56 | 14.40 | 11.40 | 12.68 | 8.92 | 12.98 | 13.50 | 15.90 | 15.70 | 15.94 | 6.78 |
| R8/R9 | 0.65 | 0.71 | 0.63 | 0.50 | 0.69 | 0.67 | 0.63 | 0.40 | 0.88 | 0.66 |
Table 31
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (17)
1. a kind of imaging lens, include successively from thing side to image side：
The first lens with positive light coke；
The second lens with negative power；
The 3rd lens with focal power；
The 4th lens with negative power, its image side surface are concave surface；
The 5th lens with focal power, its thing side are convex surface；
The 6th lens with focal power, its thing side are convex surface, and image side surface is concave surface；
Characterized in that,
Maximum angle of half field-of view HFOV≤25 ° of imaging lens, and effective Jiao of the effective focal length f of imaging lens and the first lens
Away from meeting f/f1 >=2.0 between f1.
2. imaging lens according to claim 1, it is characterised in that distance on the first lens thing side to the axle of imaging surface
Meet TTL/f≤1.0 between TTL and the effective focal length f of imaging lens.
3. imaging lens according to claim 1, it is characterised in that the effective focal length f and the 3rd lens of imaging lens and
4th lens meet 4.0 between the airspace T34 on optical axis<f/T34<5.0.
4. imaging lens according to claim 1, it is characterised in that the effective focal length f2 of the second lens and the 4th lens
Meet 0.4 between effective focal length f4<f2/f4<1.5.
5. imaging lens according to any one of claim 1 to 3, it is characterised in that the curvature of the 6th lens image side surface
Meet 0.5 between the radius of curvature R 11 of radius R12 and the 6th lens thing side<R12/R11<2.0.
6. imaging lens according to any one of claim 1 to 3, it is characterised in that the effective focal length f1 of the first lens
Meet 1.0 between the radius of curvature R 1 of the first lens thing side<f1/R1<2.0.
7. imaging lens according to any one of claim 1 to 3, it is characterised in that the effective focal length f2 of the second lens
Meet -2.5 between the radius of curvature R 4 of the second lens image side surface<f2/R4<-1.0.
8. imaging lens according to any one of claim 1 to 3, it is characterised in that the center thickness CT1 of the first lens
Meet 4.0 between the airspace T12 of the first lens and the second lens on optical axis<CT1/T12<5.5.
9. imaging lens according to any one of claim 1 to 3, it is characterised in that optical imagery eyeglass group it is effective
Meet 3.5 between the radius of curvature R 1 of focal length f and the first lens thing side<f/R1<4.5.
10. imaging lens according to claim 1, it is characterised in that the effective focal length f of imaging lens, the first lens
Meet 3.0 between effective focal length f1 and the effective focal length f2 of the second lens<|f/f1|+|f/f2|<4.0.
11. according to the imaging lens any one of claims 1 to 3 and 10, it is characterised in that the center of the 4th lens
Meet 0 between the center thickness CT5 of thickness CT4 and the 5th lens<CT4/CT5<1.0.
12. according to the imaging lens any one of claims 1 to 3 and 10, it is characterised in that the 4th lens and the 5th
Lens meet 1.5 between the airspace T56 of airspace T45 and the 5th lens and the 6th lens on optical axis on optical axis
<T45/T56<4.0。
13. imaging lens according to claim 1, it is characterised in that the effective focal length f and the 4th lens of imaging lens,
Meet -0.9 between 5th lens and the combined focal length f456 of the 6th lens<f/f456<-0.3.
14. according to the imaging lens any one of claims 1 to 3 and 13, it is characterised in that the center of the 5th lens
Thickness CT5 and the 5th lens and the 6th lens meet 6.0 between the airspace T56 on optical axis<CT5/T56<20.0.
15. according to the imaging lens any one of claims 1 to 3 and 13, it is characterised in that the 4th lens image side surface
The lens thing side of radius of curvature R 8 and the 5th radius of curvature R 9 between meet 0<R8/R9<1.0.
16. a kind of imaging lens, include successively from thing side to image side：
The first lens with positive light coke；
The second lens with negative power；
The 3rd lens with focal power；
The 4th lens with negative power, its image side surface are concave surface；
The 5th lens with focal power, its thing side are convex surface；
The 6th lens with focal power, its thing side are convex surface, and image side surface is concave surface；
Characterized in that,
Meet 0.4 between the effective focal length f2 of second lens and the effective focal length f4 of the 4th lens<f2/f4<1.5.
17. a kind of imaging lens, include successively from thing side to image side：
The first lens with positive light coke；
The second lens with negative power；
The 3rd lens with focal power；
The 4th lens with negative power, its image side surface are concave surface；
The 5th lens with focal power, its thing side are convex surface；
The 6th lens with focal power, its thing side are convex surface, and image side surface is concave surface；
Characterized in that,
Maximum angle of half field-of view HFOV≤25 ° of imaging lens, and it is the effective focal length f of imaging lens and the 4th lens, the 5th saturating
Meet -0.9 between the combined focal length f456 of mirror and the 6th lens<f/f456<-0.3.
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