CN208432786U - Wide-angle lens, camera mould group and electronic device - Google Patents
Wide-angle lens, camera mould group and electronic device Download PDFInfo
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- CN208432786U CN208432786U CN201821117295.0U CN201821117295U CN208432786U CN 208432786 U CN208432786 U CN 208432786U CN 201821117295 U CN201821117295 U CN 201821117295U CN 208432786 U CN208432786 U CN 208432786U
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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, the 5th lens with negative refracting power and with the 6th lens of positive refracting power from object side to image side.First lens are the meniscus lens that object side is convex surface.The image side surface of second lens is concave surface.The object side of the third lens is concave surface, and the image side surface of the third lens is convex surface.The object side of 5th lens and image side surface are concave surface.The object side of 6th lens and image side surface are convex surface.Wide-angle lens meets following relationship: fh/f > 2.7;Wherein, fh is the combined focal length of the 4th lens, the 5th lens and the 6th lens, and f is the effective focal length of wide-angle lens.Wide-angle lens, camera mould group and the electronic device of the utility model embodiment realize the miniaturization of wide-angle lens by above-mentioned reasonable camera lens configuration.
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 small-sized and light weight not increasing lens number, together
When be 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 third lens with positive refracting power, the 4th lens with positive refracting power, has the second lens with negative refracting power
5th lens of negative refracting power and the 6th lens with positive refracting power.First lens are the curved month type that object side is convex surface
Lens.The image side surface of second lens is concave surface.The object side of the third lens is concave surface, the image side of the third lens
Face is convex surface.The object side of 5th lens and image side surface are concave surface.The object side of 6th lens and image side surface are equal
For convex surface.The wide-angle lens meets following relationship: fh/f > 2.7;Wherein, fh is the 4th lens, the 5th lens
With the combined focal length of the 6th lens, f is the effective focal length of the wide-angle lens.
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 190 degree), wide-angle lens is reduced while keeping good optical property (resolving power i.e. with higher)
Size realizes the miniaturization and lightweight of wide-angle lens.
In some embodiments, the wide-angle lens meets following relationship: f1/f < -4.7;Wherein, f1 is described the
The focal length of one lens.
When meeting above-mentioned relation formula, the first lens can provide suitable positive refracting power for wide-angle lens, be conducive to improve
Aberration promotes imaging effect.
In some embodiments, the wide-angle lens meets following relationship: 0 < tan (H-FOV)/HY < 0.05;Its
In, H-FOV is the field angle of the horizontal direction of the imaging surface along the wide-angle lens, and HY is the picture of the imaging surface horizontal direction
It is high.
When meeting above-mentioned relation formula, wide-angle lens pixel with higher, meanwhile, by shooting focal length and distortion rationally setting
Preferable wide-angle can be obtained and take pictures effect (field angle can achieve 190 degree).
In some embodiments, the wide-angle lens meets following relationship: Nd1 > 1.77;Vd1≤49.62;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, and by reasonable material adapted, can reduce by
The influence that temperature generates, such as reduce because environment temperature change causes thermal expansion and contraction, to guarantee wide-angle lens at -40 DEG C
Imaging definition in+85 DEG C of temperature ranges.
In some embodiments, the wide-angle lens meets following relationship: Nd4 > 1.69;Vd4≥53.2;Wherein,
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, and reasonable material adapted, can reduce by temperature
The influence of generation, for example, reduce because environment temperature change cause thermal expansion and contraction, thus guarantee wide-angle lens -40 DEG C to+
Imaging definition in 85 DEG C of temperature ranges.
In some embodiments, the wide-angle lens meets following relationship: EPD/TTL > 0.03;Wherein, TTL is institute
Distance of the object side of the first lens to imaging surface on optical axis is stated, EPD is the Entry pupil diameters of the wide-angle lens.
When meeting above-mentioned relation formula, the incident laser energy of wide-angle lens can be increased, widen carrying equipment application space and
Extend the time of carrying equipment.
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 aspherical plastic lens.
In this way, using 2 glass lens and 4 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;And aspherical plastic lens are used, it can effectively adjust each lens
The radius of curvature and asphericity coefficient on surface, effectively reduce the size of wide-angle lens, and can effectively aberration correction, improve at
Image quality amount.
In some embodiments, the wide-angle lens meets following relationship: T34/SD≤0.09;Wherein, T34 is institute
State the distance of the third lens and the 4th lens on optical axis, object side and sixth lens of the SD for first lens
Distance of the image side surface on optical axis.
When meeting above-mentioned relation formula, be conducive to shorten wide-angle lens size.
In some embodiments, the wide-angle lens meets following relationship: D/2R2< 95%;Wherein, D is described the
The effective diameter of one lens, R2For the radius of curvature of the image side surface of first lens.
When meeting above-mentioned relation formula, manufacture demand can satisfy, to promote product yield.
The camera mould group of the utility model embodiment includes the wide-angle lens and photosensitive element of any of the above-described embodiment.
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 190 degree), wide-angle lens is reduced while keeping good optical property (resolving power i.e. with higher)
Size realizes the miniaturization and lightweight of wide-angle lens.
The electronic device of the utility model embodiment includes the camera mould group of shell and above embodiment.The 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 190 degree), wide-angle lens is reduced while keeping good optical property (resolving power i.e. with higher)
Size realizes the miniaturization and lightweight of wide-angle lens.
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 camera mould group of the utility model embodiment;With
Figure 10 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.
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 and Fig. 5, the wide-angle lens 10 of the utility model embodiment successively includes from object side to image side
The first lens L1 with negative refracting power, the second lens L2 with negative refracting power, the third lens L3 with positive refracting power, tool
There are the 4th lens L4, the 5th lens L5 with negative refracting power of positive refracting power and with the 6th lens L6 of positive 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.It is concave surface that second lens L2, which has object side S3 and image side surface S4, image side surface S4,.The third lens L3 has object side S5 and picture
Side S6, object side S5 are concave surface, and image side surface S6 is convex surface.4th lens L4 has object side S7 and image side surface S8.5th thoroughly
Mirror L5 has object side S9 and image side surface S10, and object side S9 and image side surface S10 are concave surface.6th lens L6 has object side
S11 and image side surface S12, object side S11 and image side surface S12 are convex surface.
Wide-angle lens 10 meets following relationship: fh/f > 2.7;Wherein, fh is the 4th lens L4, the 5th lens L5 and the
The combined focal length of six lens L6, f are the effective focal length of wide-angle lens 10.In other words, fh/f can be the arbitrary number greater than 2.7
Value, for example, the value can be 2.72,2.74,2.77,2.79,2.8,2.82,2.87,2.9,3,5,10 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,
Six lens L6, the infrared fileter L7 with object side S13 and image side surface S14 and with object side S15's and image side surface S16
Glass L8 is protected, is finally converged on imaging surface S17.
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 190 degree), wide-angle lens is reduced while keeping good optical property (resolving power i.e. with higher)
10 size 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 6th
Between lens L6 and infrared fileter L7.For example, in the first embodiment and the second embodiment, diaphragm STO setting is saturating in third
Between mirror L3 and the 4th lens L4.In this way, light-inletting quantity can be controlled preferably, imaging effect is promoted.
In some embodiments, wide-angle lens 10 meets following relationship: f1/f < -4.7;Wherein, f1 is the first lens
The focal length of L1.In other words, f1/f can be any number less than -4.7, for example, the value can for -10, -8, -5.9, -
5.85, -5.61, -5.32, -5.21, -5.15, -5, -4.79, -4.78, -4.75, -4.73, -4.71 etc..
When meeting above-mentioned relation formula, the first lens L1 can provide suitable positive refracting power for wide-angle lens, be conducive to change
Kind aberration promotes imaging effect.
In some embodiments, wide-angle lens 10 meets following relationship: 0 < tan (H-FOV)/HY < 0.05;Wherein,
H-FOV is the field angle of the horizontal direction of the imaging surface S17 along wide-angle lens 10, and HY is the image height of imaging surface S17 horizontal direction.
In other words, tan (H-FOV)/HY can any number between section (0,0.05), for example, the value can for 0.012,
0.015,0.018,0.024,0.036,0.04,0.041,0.045,0.049 etc..
When meeting above-mentioned relation formula, the pixel with higher of wide-angle lens 10, meanwhile, shooting focal length and distortion are rationally set
Preferable wide-angle can be obtained by, which setting, takes pictures effect (field angle can achieve 190 degree).
In some embodiments, wide-angle lens 10 meets following relationship: Nd1 > 1.77;Vd1≤49.62;Wherein,
Nd1 is the refractive index of the first lens L1, and Vd1 is the Abbe number of the first lens L1.In other words, Nd1 can be for greater than 1.77
Any number, Vd1 can be any number less than or equal to 49.62, for example, Nd1 can for 1.771,1.773,1.775,
1.778,2,4,5,8,10 etc., Vd1 can for 49.62,49.61,49.59,49.45,47,45,43.52,30.5,20.8,
10.4 etc..
When meeting above-mentioned relation formula, wide-angle lens 10 can improve aberration, and reasonable material adapted, can reduce by temperature
The influence generated is spent, such as is reduced because environment temperature change causes thermal expansion and contraction, to guarantee wide-angle lens 10 at -40 DEG C
Imaging definition in+85 DEG C of temperature ranges.
In some embodiments, wide-angle lens 10 meets following relationship: Nd4 > 1.69;Vd4≥53.2;Wherein, Nd4
For the refractive index of the 4th lens L4, Vd4 is the Abbe number of the 4th lens L4.In other words, Nd4 can be any greater than 1.69
Numerical value, Vd4 can be any number more than or equal to 53.2, for example, Nd4 can for 1.691,1.692,1.694,1.695,
1.698,1.699,1.869,1.891,1.911,2,4,5,8,10 etc., Vd4 can for 53.2,53.3,53.5,53.7,
53.9,56,58,59,60,62,65,68 etc..
When meeting above-mentioned relation formula, wide-angle lens 10 can improve aberration, and reasonable material adapted, can reduce by temperature
The influence generated is spent, such as is reduced because environment temperature change causes thermal expansion and contraction, to guarantee wide-angle lens 10 at -40 DEG C
Imaging definition in+85 DEG C of temperature ranges.
In some embodiments, wide-angle lens 10 meets following relationship: EPD/TTL > 0.03;Wherein, TTL first
Distance of the object side S1 of lens L1 to imaging surface S17 on optical axis, EPD are the Entry pupil diameters of wide-angle lens 10.In other words,
EPD/TTL can be any number greater than 0.03, for example, the value can for 0.031,0.035,0.036,0.049,0.05,
0.08,0.1,0.2,0.5,0.9 etc..
When meeting above-mentioned relation formula, the incident laser energy of wide-angle lens 10 can be increased, the application for widening carrying equipment is empty
Between and extend carrying equipment time.
In some embodiments, the first lens L1, the second lens L2, the third lens L3, the 4th lens L4, the 5th lens
The material of L5 and the 6th lens L6 are glass or plastics.Preferably, the first lens L1 and the 4th lens L4 is glass lens, the
Two lens L2, the third lens L3 and the 5th lens L5 are aspherical plastic lens, and the 6th lens L6 is plastic lens.
In this way, using 2 glass lens and 4 glass lens, by reasonably arranging in pairs or groups, least eyeglass number can be used
Amount reaches satisfactory optical property, while reducing because environment temperature change causes thermal expansion and contraction, to guarantee wide-angle
The imaging definition in -40 DEG C to+85 DEG C temperature ranges of camera lens 10;And aspherical plastic lens are used, it can effectively adjust each
The radius of curvature and asphericity coefficient of lens surface, effectively reduce the size of wide-angle lens 10, and can effectively aberration correction,
Improve image quality.
In some embodiments, wide-angle lens 10 meets following relationship: T34/SD≤0.09;Wherein, T34 is third
The distance of lens L3 and the 4th lens L4 on optical axis, SD are the image side surface of the object side S1 and the 6th lens L6 of the first lens L1
Distance of the S12 on optical axis.In other words, T34/SD can be any number less than or equal to 0.09, for example, the value can be with
It is 0.01,0.015,0.02,0.028,0.031,0.04,0.041,0.045,0.049,0.09 etc..
When meeting above-mentioned relation formula, be conducive to shorten 10 size of wide-angle lens.
In some embodiments, wide-angle lens 10 meets following relationship: D/2R2< 95%;Wherein, D is the first lens
The effective diameter of L1, R2For the radius of curvature of the image side surface S2 of the first lens L1.In other words, D/2R2It can be for less than 95%
Any number, for example, the value can be 30%, 50%, 70%, 89%, 90%, 91%, 93%, 94% etc..
When meeting above-mentioned relation formula, manufacture demand can satisfy, to promote product yield.
In some embodiments, at least one surface of at least one lens is aspherical in wide-angle lens 10.Example
Such as, in first embodiment and second embodiment, the second lens L2, the third lens L3, the 5th lens L5 and the 6th lens L6 are
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 reduced by the radius of curvature and asphericity coefficient of each lens surface of adjusting
The size of wide-angle lens 10, and can effectively aberration correction, 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, the 6th lens L6 and infrared fileter 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 spherical surface.5th lens L5 has negative refracting power, and material is plastics, and object side S9 is concave surface, as
Side S6 is concave surface, and is all aspherical.6th lens L6 has positive refracting power, and material is plastics, and object side S9 is convex
Face, image side surface S6 are convex surface, and are all aspherical.
Diaphragm STO is arranged between the third lens L3 and the 4th lens L4.The F-number FNO=2.05 of wide-angle lens 10.
Infrared fileter L7 is glass material, is arranged between the 6th lens L6 and imaging surface S17 and does not influence wide-angle
The focal length of camera lens 10.
In first embodiment, the effective focal length of wide-angle lens 10 is f=1.27, the water of the imaging surface S17 of wide-angle lens 10
Square to image height corresponding to field angle H-FOV=190 degree.Wide-angle lens 10 also meets the following conditions: fh/f=2.79;
F1/f=-4.78;Tan (H-FOV)/HY=0.036;Nd1=1.773;Vd1=49.62;Nd4=1.694;Vd4=53.20;
EPD/TTL=0.04;T34/SD=0.09;D/2R2=0.91.
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 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, the 6th lens L6 and infrared fileter 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 spherical surface.5th lens L5 has negative refracting power, and material is plastics, and object side S9 is concave surface, as
Side S6 is concave surface, and is all aspherical.6th lens L6 has positive refracting power, and material is plastics, and object side S9 is convex
Face, image side surface S6 are convex surface, and are all aspherical.
Diaphragm STO is arranged between the third lens L3 and the 4th lens L4.The F-number FNO=2.05 of wide-angle lens 10.
Infrared fileter L7 is glass material, is arranged in the 6th lens L6 and protects between glass L8 and do not influence wide-angle
The focal length of camera lens 10.
Protection glass L8 is glass material, is arranged between infrared fileter L7 and imaging surface S17.
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) | 1.28 | Vd1 | 49.62 |
FNO | 2.05 | Nd4 | 1.694 |
H-FOV (degree) | 190 | Vd4 | 53.20 |
fh/f | 2.8 | EPD/TTL | 0.0367 |
f1/f | -4.78 | T34/SD | 0.09 |
Tan (H-FOV)/HY (degree/mm) | 0.036 | D/2R2 | 0.91 |
Nd1 | 1.773 |
Referring to Fig. 9, the camera mould group 100 of the utility model embodiment includes the wide-angle lens of any of the above-described embodiment
First 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 190 degree), wide-angle lens is reduced while keeping good optical property (resolving power i.e. with higher)
10 size realizes the miniaturization and lightweight of wide-angle lens 10.
Referring to Fig. 10, electronic device 1000 includes the camera mould group 100 of shell 200 and above embodiment.Camera mould
Group 100 is mounted on shell 200.
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 190 degree), wide-angle lens is reduced while keeping good optical property (resolving power i.e. with higher)
First 10 size realizes the miniaturization and lightweight of wide-angle lens 10.
The electronic device 100 of the utility model embodiment includes but is not limited to for automobile mounted camera lens (such as Figure 10), intelligence
It can phone, mobile phone, personal digital assistant (Personal Digital Assistant, PDA), game machine, individual calculus
Information terminal apparatus such as machine (personal computer, PC), camera, smartwatch, tablet computer or with camera function
Household appliances etc..
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 image side surface of second lens are concave surface;
The object side of the third lens with positive refracting power, the third lens is concave surface, and the image side surface of the third lens is
Convex surface;
The 4th lens with positive refracting power;
The 5th lens with negative refracting power, the object side of the 5th lens and image side surface are concave surface;And
The 6th lens with positive refracting power, the object side of the 6th lens and image side surface are convex surface;
The wide-angle lens meets following relationship:
fh/f>2.7;
Wherein, fh is the combined focal length of the 4th lens, the 5th lens and the 6th lens, and f is the wide-angle lens
The effective focal length of head.
2. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
f1/f<-4.7;
Wherein, f1 is the focal length of first lens.
3. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
0<tan(H-FOV)/HY<0.05;
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≤49.62;
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>1.69;
Vd4≥53.2;
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:
EPD/TTL>0.03;
Wherein, TTL is distance of the object side of first lens to imaging surface on optical axis, and EPD is the wide-angle lens
Entry pupil diameters.
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 aspherical plastic lens.
8. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
T34/SD≤0.09;
Wherein, T34 is the distance of the third lens and the 4th lens on optical axis, and SD is the object side of first lens
The image side surface of face and the 6th lens on optical axis at a distance from.
9. wide-angle lens according to claim 1, which is characterized in that the wide-angle lens meets following relationship:
D/2R2< 95%;
Wherein, D is the effective diameter of first lens, R2For the radius of curvature of the image side surface of first 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.
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CN201821117295.0U CN208432786U (en) | 2018-07-13 | 2018-07-13 | Wide-angle lens, camera mould group and electronic device |
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Application Number | Priority Date | Filing Date | Title |
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CN201821117295.0U CN208432786U (en) | 2018-07-13 | 2018-07-13 | Wide-angle lens, camera mould group and electronic device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111367057A (en) * | 2020-04-30 | 2020-07-03 | 天津欧菲光电有限公司 | Optical system, camera module, electronic equipment and automobile |
CN113741001A (en) * | 2020-05-29 | 2021-12-03 | 纮立光电股份有限公司 | Optical imaging lens group, imaging device, and electronic device |
-
2018
- 2018-07-13 CN CN201821117295.0U patent/CN208432786U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111367057A (en) * | 2020-04-30 | 2020-07-03 | 天津欧菲光电有限公司 | Optical system, camera module, electronic equipment and automobile |
CN113741001A (en) * | 2020-05-29 | 2021-12-03 | 纮立光电股份有限公司 | Optical imaging lens group, imaging device, and electronic device |
CN113741001B (en) * | 2020-05-29 | 2022-08-09 | 纮立光电股份有限公司 | Optical imaging lens group, imaging device, and electronic device |
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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. |