CN208432781U - Wide-angle lens, camera mould group and electronic device - Google Patents
Wide-angle lens, camera mould group and electronic device Download PDFInfo
- Publication number
- CN208432781U CN208432781U CN201821113194.6U CN201821113194U CN208432781U CN 208432781 U CN208432781 U CN 208432781U CN 201821113194 U CN201821113194 U CN 201821113194U CN 208432781 U CN208432781 U CN 208432781U
- Authority
- CN
- China
- Prior art keywords
- lens
- wide
- angle
- angle lens
- refracting power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lenses (AREA)
Abstract
The utility model discloses a kind of wide-angle lens, camera mould group and electronic devices.Wide-angle lens successively includes first lens with negative refracting power, the second lens with negative refracting power, the third lens with positive refracting power, the 4th lens with positive refracting power and with the 5th lens of negative refracting power from object side to image side.First lens are the meniscus lens that object side is convex surface.The object side of 4th lens and image side surface are convex surface.The wide-angle lens meets following relationship: f1/f≤- 5.5；Wherein, f is the effective focal length of the wide-angle lens, and f1 is the focal length of first lens.Wide-angle lens, camera mould group and the electronic device of the utility model embodiment pass through above-mentioned reasonable camera lens configuration, working range is wide (field angle can achieve 185 degree), the length that wide-angle lens is shortened while keeping good optical property (resolving power i.e. with higher), realizes the miniaturization and lightweight of wide-angle lens.
Description
Technical field
The utility model relates to optical image technology, in particular to a kind of wide-angle lens, camera mould group and electronic device.
Background technique
In order to obtain biggish field angle, wide-angle lens is often assembled using the conjunction of multiple lens, so that extensively
The size of angle mirror head is generally large.Wide-angle lens how is made directly to keep miniaturization and light weight not increasing lens number
Change, while being also able to maintain the problem of favorable optical performance is those skilled in the art's urgent need to resolve.
Utility model content
The utility model embodiment provides a kind of wide-angle lens, camera mould group and electronic device.
The wide-angle lens of the utility model embodiment successively includes having the first of negative refracting power thoroughly from object side to image side
Mirror, the second lens with negative refracting power, the third lens with positive refracting power, the 4th lens with positive refracting power and have
5th lens of negative refracting power.First lens are the meniscus lens that object side is convex surface.The object side of 4th lens
Face and image side surface are convex surface.The wide-angle lens meets following relationship: f1/f≤- 5.5；Wherein, f is the wide-angle lens
Effective focal length, f1 be first lens focal length.
The wide-angle lens of the utility model embodiment passes through above-mentioned reasonable camera lens configuration, the wide (field angle of working range
Can achieve 185 degree), wide-angle lens is shortened while keeping good optical property (resolving power i.e. with higher)
Length realizes the miniaturization and lightweight of wide-angle lens.
In some embodiments, the wide-angle lens meets following relationship: fh/f < -9.5；Wherein, fh is described the
The combined focal length of one lens, second lens and the third lens.
When meeting above-mentioned relation formula, the first lens to the third lens have suitable focal length, are conducive to obtain bigger view
Rink corner.
In some embodiments, the wide-angle lens meets following relationship: H-FOV >=185 degree；tan(H-FOV)/
HY>0.02；Wherein, H-FOV is the field angle of the horizontal direction of the imaging surface along the wide-angle lens, and HY is the imaging surface water
Square to image height.
When meeting above-mentioned relation formula, guarantees that wide-angle lens has high pixel and wide-angle characteristic, shooting focal length and distortion are closed
Reason setting is taken pictures effect with obtaining preferable wide-angle.
In some embodiments, the wide-angle lens meets following relationship: Nd1 >=1.77；Vd1>49.6；Wherein,
Nd1 is the refractive index of first lens, and Vd1 is the Abbe number of first lens.
When meeting above-mentioned relation formula, wide-angle lens can improve aberration.
In some embodiments, the wide-angle lens meets following relationship: Nd4 >=1.59；Vd4≥61.15；Its
In, Nd4 is the refractive index of the 4th lens, and Vd4 is the Abbe number of the 4th lens.
When meeting above-mentioned relation formula, wide-angle lens can improve aberration.
In some embodiments, the wide-angle lens meets following relationship: 15 < TTL < 17；Wherein, TTL is described
Distance of the object side of first lens to imaging surface on optical axis.
When meeting above-mentioned relation formula, wide-angle lens has shorter length.
In some embodiments, first lens and the 4th lens are glass lens, second lens, institute
It states the third lens and the 5th lens is plastic lens.
In this way, using 2 glass lens and 3 glass lens, by reasonably arranging in pairs or groups, least number of lenses can be used
Reach satisfactory optical property, while reducing because environment temperature change causes thermal expansion and contraction, to guarantee wide-angle lens
Head imaging definition in -40 DEG C to+85 DEG C temperature ranges.
In some embodiments, second lens, the object side of the third lens and the 5th lens and picture
Side is aspherical.
In this way, wide-angle lens can be effectively shortened wide by the radius of curvature and asphericity coefficient of each lens surface of adjusting
The total length of angle mirror head, and wide-angle lens aberration can be effectively corrected, improve image quality.In addition, diversification face type makes
With the aberration that can effectively correct wide-angle lens, image quality is improved.
In some embodiments, the wide-angle lens further includes diaphragm, diaphragm setting in the third lens and
Between 4th lens.
In this way, being arranged by reasonable diaphragm, light-inletting quantity is preferably controlled, promotes imaging effect.
The camera mould group of the utility model embodiment includes wide-angle lens described in any of the above-described embodiment and photosensitive
Element.The image side of the wide-angle lens is arranged in the photosensitive element.
The camera mould group of the utility model embodiment passes through above-mentioned reasonable camera lens configuration, the wide (field angle of working range
Can achieve 185 degree), wide-angle lens is shortened while keeping good optical property (resolving power i.e. with higher)
Length realizes the miniaturization and lightweight of wide-angle lens.
The electronic device of the utility model embodiment includes camera mould group described in shell and above embodiment.It is described
Camera mould group is installed on the housing.
The electronic device of the utility model embodiment passes through above-mentioned reasonable camera lens configuration, the wide (field angle of working range
Can achieve 185 degree), wide-angle lens is shortened while keeping good optical property (resolving power i.e. with higher)
Length realizes the miniaturization and lightweight of wide-angle lens.And shell plays a protective role to camera mould group.
The additional aspect and advantage of the utility model embodiment will be set forth in part in the description, partially will be under
Become obvious in the description in face, or is recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model can retouch embodiment from conjunction with following accompanying drawings
It will be apparent and be readily appreciated that in stating, in which:
Fig. 1 is the structural schematic diagram of the wide-angle lens of the utility model first embodiment；
Fig. 2 is the longitudinal aberration diagram (mm) of wide-angle lens in first embodiment；
Fig. 3 is the curvature of field figure (mm) of wide-angle lens in first embodiment；
Fig. 4 is the distortion figure (%) of wide-angle lens in first embodiment；
Fig. 5 is the structural schematic diagram of the wide-angle lens of the utility model second embodiment；
Fig. 6 is the longitudinal aberration diagram (mm) of wide-angle lens in second embodiment；
Fig. 7 is the curvature of field figure (mm) of wide-angle lens in second embodiment；
Fig. 8 is the distortion figure (%) of wide-angle lens in second embodiment；
Fig. 9 is the structural schematic diagram of the wide-angle lens of the utility model 3rd embodiment；
Figure 10 is the longitudinal aberration diagram (mm) of wide-angle lens in 3rd embodiment；
Figure 11 is the curvature of field figure (mm) of wide-angle lens in 3rd embodiment；
Figure 12 is the distortion figure (%) of wide-angle lens in 3rd embodiment；
Figure 13 is the structural schematic diagram of the camera mould group of the utility model embodiment；With
Figure 14 is the structural schematic diagram of the electronic device of the utility model embodiment.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Also referring to Fig. 1, Fig. 5 and Fig. 9, the wide-angle lens 10 of the utility model embodiment from object side to image side successively
Including the first lens L1, the second lens L2 with negative refracting power, the third lens with positive refracting power with negative refracting power
L3, the 4th lens L4 with positive refracting power and with the 5th lens L5 of negative refracting power.
First lens L1 has object side S1 and image side surface S2, the first lens L1 are that the curved month type that object side S1 is convex surface is saturating
Mirror.Second lens L2 has object side S3 and image side surface S4.The third lens L3 has object side S5 and image side surface S6.4th lens
It is convex surface that L4, which has the object side S7 and image side surface S8 of object side S7 and image side surface S8, the 4th lens L4,.5th lens L5 tool
There is object side S9 and image side surface S10.
Wide-angle lens 10 meets following relationship: f1/f≤- 5.5；Wherein, f is the effective focal length of wide-angle lens 10, and f1 is
The focal length of first lens L1.In other words, f1/f can be any number less than or equal to -5.5, for example, the value can for -
10, -8, -7.5, -6.25, -6.14, -5.98, -5.96, -5.75, -5.6, -5.55, -5.52, -5.5 etc..
When wide-angle lens 10 is for when being imaged, subject OBJ to be issued or the light of reflection enters extensively from object side direction
Angle mirror head 10, and sequentially pass through the first lens L1, the second lens L2, the third lens L3, the 4th lens L4, the 5th lens L5, tool
There is the infrared fileter L6 of the object side S11 and image side surface S12 and protection glass L7 with object side S13 and image side surface S14,
Finally converge on imaging surface S15.
The wide-angle lens 10 of the utility model embodiment passes through above-mentioned reasonable camera lens configuration, the wide (visual field of working range
Angle can achieve 185 degree), wide-angle lens is shortened while keeping good optical property (resolving power i.e. with higher)
10 length realizes the miniaturization and lightweight of wide-angle lens 10.
In some embodiments, wide-angle lens 10 further includes diaphragm STO.Diaphragm STO can be aperture diaphragm or visual field
Diaphragm.The utility model embodiment is illustrated so that diaphragm STO is aperture diaphragm as an example.Diaphragm STO can be set any
On the surface of one piece of lens, or it is arranged before the first lens L1, or is arranged between any two pieces of lens, or is arranged the 5th
Between lens L5 and infrared fileter L6.For example, diaphragm STO setting is saturating in third in first embodiment into 3rd embodiment
Between mirror L3 and the 4th lens L4.In this way, diaphragm STO, preferably control light-inletting quantity, promotion imaging are imitated through reasonable settings
Fruit.
In some embodiments, wide-angle lens 10 meets following relationship: fh/f < -9.5；Wherein, fh is the first lens
The combined focal length of L1, the second lens L2 and the third lens L3.In other words, fh/f can be any number less than -9.5, example
Such as, the value can for -30, -28.5, -24, -22.6, -23.5, -12.91, -11.82, -11.43, -10.89, -9.93, -
9.53 etc..
When meeting above-mentioned relation formula, the first lens L1 to the third lens L3 has suitable focal length, is conducive to obtain bigger
Field angle, such as field angle can achieve 185 degree.
In some embodiments, wide-angle lens 10 meets following relationship: H-FOV >=185 degree；tan(H-FOV)/HY>
0.02；Wherein, H-FOV is the field angle of the horizontal direction of the imaging surface S15 along wide-angle lens 10, and HY is the water of imaging surface S15
Square to image height.In other words, H-FOV can be any degree more than or equal to 185 degree, for example, the value can be 185
Degree, 186 degree, 188 degree, 190 degree, 192 degree, 194 degree etc., tan (H-FOV)/HY can be any number greater than 0.02, example
Such as, which can be 0.021,0.022,0.023,0.024,0.068,0.085,0.094,0.108 etc..
When meeting above-mentioned relation formula, guarantee that wide-angle lens 10 has high pixel and wide-angle characteristic, by shooting focal length and distortion
Rationally setting is taken pictures effect with obtaining preferable wide-angle.
In some embodiments, wide-angle lens 10 meets following relationship: Nd1 >=1.77；Vd1>49.6；Wherein, Nd1
For the refractive index of the first lens L1, Vd1 is the Abbe number of the first lens L1.In other words, Nd1 can be for more than or equal to 1.77
Any number, Vd1 can be any number greater than 49.6, for example, Nd1 can for 1.77,1.771,1.772,1.7725,
1.773,1.869,1.891,1.911,2 etc., Vd1 can for 49.615,49.62,49.684,49.69,49.72,49.75,
49.8 etc..
When meeting above-mentioned relation formula, wide-angle lens 10 can improve aberration, and by reasonable material adapted, can reduce
By temperature generate influence, such as reduce because environment temperature change cause thermal expansion and contraction, thus guarantee wide-angle lens 10-
Imaging definition in 40 DEG C to+85 DEG C temperature ranges.
In some embodiments, wide-angle lens 10 meets following relationship: Nd4 > 1.58；Vd4≥61.15；Wherein,
Nd4 is the refractive index of the 4th lens L4, and Vd4 is the Abbe number of the 4th lens L4.In other words, Nd4 can be for greater than 1.58
Any number, Vd4 can be any number more than or equal to 61.15, for example, Nd4 can for 1.581,1.5855,1.589,
1.5891,1.59,1.592,1.869,1.891,1.911,2 etc., Vd4 can for 61.15,61.152,61.153,61.21,
61.259,61.29,62.15,63.53,64.85,65.3 etc..Preferably, Nd4 >=1.59, in other words, Nd4 can be big
In or equal to 1.59 any number, for example, Nd4 can for 1.59,1.591,1.592,1.691,1.692,1.693,
1.695,1.698,1.699,1.891,1.911,2 etc..
When meeting above-mentioned relation formula, wide-angle lens 10 can improve aberration, and by reasonable material adapted, can reduce
By temperature generate influence, such as reduce because environment temperature change cause thermal expansion and contraction, thus guarantee wide-angle lens 10-
Imaging definition in 40 DEG C to+85 DEG C temperature ranges.
In some embodiments, wide-angle lens 10 meets following relationship: 15 < TTL < 17；Wherein, TTL is first saturating
Distance of the object side S1 of mirror L1 to imaging surface S15 on optical axis.In other words, TTL can be the arbitrary number of section (15,17)
Value, for example, the value can be 15.5,15.55,15.8,15.95,16.1,16.3,16.8,16.9,16.95 etc..
When meeting above-mentioned relation formula, wide-angle lens 10 has lesser length.
In some embodiments, the first lens L1 to the 5th lens L5 is glass lens or plastic lens.Preferably,
One lens L1 and the 4th lens L4 is glass lens, and the second lens L2, the third lens L3 and the 5th lens L5 are plastic lens.
In this way, passing through the reasonably combined of the material of the first lens L1 to the 5th lens L5, wide-angle lens 10 is being effectively eliminated
While meet high pixel demand, ultrathin may be implemented, and cost is relatively low in aberration.
In some embodiments, first lens L1 to the 5th at least one surface lens L5 is aspheric in wide-angle lens 10
Face.For example, in the first embodiment and the second embodiment, the second lens L2 to the object side of the 5th lens L5 and image side surface is
It is aspherical.Aspherical face type is determined by following formula:
Wherein, Z is the fore-and-aft distance of aspherical any point and surface vertices, and r is aspherical any point to optical axis
Distance, c are vertex curvature (inverses of radius of curvature), and k is the constant of the cone, and Ai is the correction factor of aspherical i-th-th rank.
In this way, wide-angle lens 10 can be effectively shortened by the radius of curvature and asphericity coefficient of each lens surface of adjusting
The total length of wide-angle lens 10, and 10 aberration of wide-angle lens can be effectively corrected, improve image quality.In addition, diversification face
The use of type can effectively correct the aberration of wide-angle lens 10, improve image quality.
First embodiment
Referring to FIG. 1 to FIG. 4, the wide-angle lens 10 of first embodiment successively include from object side to image side the first lens L1,
Second lens L2, the third lens L3, the 4th lens L4, the 5th lens L5, infrared fileter L6 and protection glass L7.
First lens L1 has negative refracting power, and material is glass, and object side S1 is convex surface, and image side surface S2 is concave surface,
It and is all spherical surface.Second lens L2 has negative refracting power, and material is plastics, and object side S3 is concave surface, and image side surface S4 is recessed
Face, and be all aspherical.The third lens L3 has positive refracting power, and material is plastics, and object side S5 is convex surface, image side surface S6
It for concave surface, and is all aspherical.4th lens L4 has positive refracting power, and material is glass, and object side S7 is convex surface, image side
Face S8 is convex surface, and is all aspherical.5th lens L5 has negative refracting power, and material is plastics, and object side S9 is concave surface,
Image side surface S10 is convex surface, and is all aspherical.
Diaphragm STO is arranged between the third lens L3 and the 4th lens L4.The F-number FNO=2.1 of wide-angle lens 10.
Infrared fileter L6 is glass material, is arranged in the 5th lens L5 and protects between glass L7 and do not influence wide-angle
The focal length of camera lens 10.
Protection glass L7 is glass material, is arranged between infrared fileter L6 and imaging surface S15.
In first embodiment, the effective focal length of wide-angle lens 10 is f=1.27, along the imaging surface S15 of wide-angle lens 10
The field angle H-FOV=185 degree of horizontal direction.Wide-angle lens 10 also meets the following conditions: f1/f=-5.96；Fh/f=-
21.8；Tan (H-FOV)/HY=0.024；Nd1=1.77；Vd1=49.62；Nd4=1.59；Vd4=61.15；TTL=
16.106。
Wide-angle lens 10 meets the condition of following table:
Table 1
Table 2
Second embodiment
Please refer to Fig. 5 to Fig. 8, the wide-angle lens 10 of second embodiment successively include from object side to image side the first lens L1,
Second lens L2, the third lens L3, the 4th lens L4, the 5th lens L5, infrared fileter L6 and protection glass L7.
First lens L1 has negative refracting power, and material is glass, and object side S1 is convex surface, and image side surface S2 is concave surface,
It and is all spherical surface.Second lens L2 has negative refracting power, and material is plastics, and object side S3 is convex surface, Yu Yuan at optical axis
It is concave surface at week, image side surface S4 is concave surface, and is all aspherical.The third lens L3 has positive refracting power, and material is plastics,
Object side S5 is convex surface at optical axis, is concave surface at circumference, and image side surface S6 is convex surface, and is all aspherical.4th lens L4
With positive refracting power, and material is glass, and object side S7 is convex surface, and image side surface S8 is convex surface, and is all aspherical.5th thoroughly
Mirror L5 has negative refracting power, and material is plastics, and object side S9 is concave surface, and image side surface S10 is convex surface, and is all aspherical.
Diaphragm STO is arranged between the third lens L3 and the 4th lens L4.The F-number FNO=2.1 of wide-angle lens 10.
Infrared fileter L6 is glass material, is arranged in the 5th lens L5 and protects between glass L7 and do not influence wide-angle
The focal length of camera lens 10.
Protection glass L7 is glass material, is arranged between infrared fileter L6 and imaging surface S15.
Wide-angle lens 10 meets the condition of following table:
Table 3
Table 4
Following data can be obtained according to table 3 and table 4:
| f(mm) | 0.95 | Nd1 | 1.77 |
| FNO | 2.1 | Vd1 | 49.62 |
| H-FOV (degree) | 185.2 | Nd4 | 1.59 |
| f1/f | -5.55 | Vd4 | 61.15 |
| fh/f | -9.53 | TTL | 16.9 |
| tan(H-FOV)/HY | 0.024 |
3rd embodiment
Please refer to Fig. 9 to Figure 12, the wide-angle lens 10 of 3rd embodiment successively include from object side to image side the first lens L1,
Second lens L2, the third lens L3, the 4th lens L4, the 5th lens L5, infrared fileter L6 and protection glass L7.
First lens L1 has negative refracting power, and material is glass, and object side S1 is convex surface, and image side surface S2 is concave surface,
It and is all spherical surface.Second lens L2 has negative refracting power, and material is plastics, and object side S3 is convex surface, and image side surface S4 is recessed
Face, and be all aspherical.The third lens L3 has positive refracting power, and material is plastics, and object side S5 is concave surface, image side surface S6
It for convex surface, and is all aspherical.4th lens L4 has positive refracting power, and material is glass, and object side S7 is convex surface, image side
Face S8 is convex surface, and is all aspherical.5th lens L5 has negative refracting power, and material is plastics, and object side S9 is concave surface,
Image side surface S10 is convex surface, and is all aspherical.
Diaphragm STO is arranged between the third lens L3 and the 4th lens L4.The F-number FNO=2.1 of wide-angle lens 10.
Infrared fileter L6 is glass material, is arranged in the 5th lens L5 and protects between glass L7 and do not influence wide-angle
The focal length of camera lens 10.
Protection glass L7 is glass material, is arranged between infrared fileter L6 and imaging surface S15.
Wide-angle lens 10 meets the condition of following table:
Table 5
Table 6
Following data can be obtained according to table 5 and table 6:
Figure 13 is please referred to, the camera mould group 100 of the utility model embodiment includes the wide-angle of any of the above-described embodiment
Camera lens 10 and photosensitive element 20.The image side of wide-angle lens 10 is arranged in photosensitive element 20.
Specifically, photosensitive element 20 can use complementary metal oxide semiconductor (CMOS, Complementary
Metal Oxide Semiconductor) imaging sensor or charge coupled cell (CCD, Charge-coupled
Device) imaging sensor.
The camera mould group 100 of the utility model embodiment passes through above-mentioned reasonable camera lens configuration, the wide (visual field of working range
Angle can achieve 185 degree), wide-angle lens is shortened while keeping good optical property (resolving power i.e. with higher)
10 length realizes the miniaturization and lightweight of wide-angle lens 10.
Figure 14 is please referred to, electronic device 1000 includes the camera mould group 100 of shell 200 and above embodiment.Camera mould
Group 100 is mounted in shell 200 to obtain image.
The electronic device 1000 of the utility model embodiment by above-mentioned reasonable camera lens configuration, working range it is wide (depending on
Rink corner can achieve 185 degree), wide-angle lens is shortened while keeping good optical property (resolving power i.e. with higher)
First 10 length realizes the miniaturization and lightweight of wide-angle lens 10.
The electronic device 100 of the utility model embodiment is including but not limited to automobile mounted camera lens (such as Figure 14 institute
Show), it is smart phone, mobile phone, personal digital assistant (Personal Digital Assistant, PDA), game machine, a
The information terminal apparatus such as people's computer (personal computer, PC), camera, smartwatch, tablet computer or have take pictures
The household appliances etc. of function.
In the description of this specification, reference term " certain embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " etc. means in conjunction with the embodiment party
Formula or example particular features, structures, materials, or characteristics described be contained in the utility model at least one embodiment or
In example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.And
And particular features, structures, materials, or characteristics described can be in any one or more embodiments or example to close
Suitable mode combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one described feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-mentioned embodiment party
Formula is exemplary, and should not be understood as limiting the present invention, and those skilled in the art are in the utility model
Above embodiment can be changed, be modified in range, replacement and variant, the scope of the utility model by claim and
Its equivalent limits.
Claims (11)
1. a kind of wide-angle lens, which is characterized in that the wide-angle lens successively includes: from object side to image side
The first lens with negative refracting power, first lens are the meniscus lens that object side is convex surface；
The second lens with negative refracting power；
The third lens with positive refracting power；
The 4th lens with positive refracting power, the object side of the 4th lens and image side surface are convex surface；And
The 5th lens with negative refracting power；
The wide-angle lens meets following relationship:
f1/f≤-5.5；
Wherein, f is the effective focal length of the wide-angle lens, and f1 is the focal length of first lens.
2. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
fh/f<-9.5；
Wherein, fh is the combined focal length of first lens, second lens and the third lens.
3. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
H-FOV >=185 degree；
tan(H-FOV)/HY>0.02；
Wherein, H-FOV is the field angle of the horizontal direction of the imaging surface along the wide-angle lens, and HY is the imaging surface level side
To image height.
4. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
Nd1≥1.77；
Vd1>49.6；
Wherein, Nd1 is the refractive index of first lens, and Vd1 is the Abbe number of first lens.
5. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
Nd4≥1.59；
Vd4≥61.15；
Wherein, Nd4 is the refractive index of the 4th lens, and Vd4 is the Abbe number of the 4th lens.
6. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
15<TTL<17；
Wherein, TTL is distance of the object side of first lens to imaging surface on optical axis.
7. wide-angle lens according to claim 1, which is characterized in that first lens and the 4th lens are glass
Lens, second lens, the third lens and the 5th lens are plastic lens.
8. wide-angle lens according to claim 1, which is characterized in that second lens, the third lens and described
The object side of 5th lens and image side surface are aspherical.
9. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens further includes diaphragm, the diaphragm
It is arranged between the third lens and the 4th lens.
10. a kind of camera mould group, which is characterized in that the camera mould group includes:
Wide-angle lens described in claim 1 to 9 any one；With
The image side of the wide-angle lens is arranged in photosensitive element, the photosensitive element.
11. a kind of electronic device, which is characterized in that the electronic device includes:
Shell；With
Camera mould group described in any one of claim 10, the camera mould group installation is on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113194.6U CN208432781U (en) | 2018-07-13 | 2018-07-13 | Wide-angle lens, camera mould group and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113194.6U CN208432781U (en) | 2018-07-13 | 2018-07-13 | Wide-angle lens, camera mould group and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208432781U true CN208432781U (en) | 2019-01-25 |
Family
ID=65099636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821113194.6U Active CN208432781U (en) | 2018-07-13 | 2018-07-13 | Wide-angle lens, camera mould group and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208432781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10795123B2 (en) | 2017-11-15 | 2020-10-06 | Largan Precision Co., Ltd. | Optical imaging lens assembly, image capturing unit and electronic device |
-
2018
- 2018-07-13 CN CN201821113194.6U patent/CN208432781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10795123B2 (en) | 2017-11-15 | 2020-10-06 | Largan Precision Co., Ltd. | Optical imaging lens assembly, image capturing unit and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203981955U (en) | Pick-up lens and the camera head that possesses pick-up lens | |
| CN203941337U (en) | Pick-up lens and possess the camera head of pick-up lens | |
| CN203773142U (en) | Imaging lens and imaging apparatus comprising same | |
| CN111505810B (en) | Image pickup optical lens | |
| CN112817132B (en) | Fixed-focus lens and imaging device | |
| CN106842506B (en) | Camera optical camera lens | |
| CN208654422U (en) | Phtographic lens, image-taking device and electronic device | |
| CN103529538A (en) | Image lens assembly | |
| CN208795916U (en) | Optical camera lens group, taken module and electronic device | |
| CN208110149U (en) | Periscope type lens, imaging modules and electronic device | |
| CN203480119U (en) | Image pick-up lens for solid-state imaging element | |
| CN205229553U (en) | Imaging lens and possess imaging lens's camera device | |
| CN111505812B (en) | Image pickup optical lens | |
| CN108535841B (en) | Photographic optical system | |
| CN108873271A (en) | Telephoto lens, focal length camera mould group and electronic device | |
| CN114185157B (en) | Optical lens | |
| CN203759348U (en) | Imaging lens and imaging apparatus including the same | |
| CN111221098B (en) | Telephoto lens, camera module and electronic device | |
| CN204705759U (en) | A kind of lens combination and camera lens | |
| CN208654421U (en) | Pick-up lens, image-taking device and electronic device | |
| CN111077635A (en) | Optical camera lens, image capturing module and electronic device | |
| CN111221096B (en) | Ultra-wide-angle lens, camera module and electronic device | |
| CN109239890B (en) | Micro pick-up lens | |
| CN208432786U (en) | Wide-angle lens, camera mould group and electronic device | |
| CN112505902B (en) | Wide-angle lens and imaging apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi Jingchao optics Co.,Ltd. Address before: 330096 Jiangxi Nanchang Nanchang hi tech Industrial Development Zone, east of six road, south of Tianxiang Avenue. Patentee before: OFILM TECH Co.,Ltd. |
|
| CP03 | "change of name, title or address" |