CN106772956A - One kind miniaturization high resolution aspheric lens group and imaging system - Google Patents
One kind miniaturization high resolution aspheric lens group and imaging system Download PDFInfo
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- CN106772956A CN106772956A CN201710178555.9A CN201710178555A CN106772956A CN 106772956 A CN106772956 A CN 106772956A CN 201710178555 A CN201710178555 A CN 201710178555A CN 106772956 A CN106772956 A CN 106772956A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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- Optics & Photonics (AREA)
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Abstract
The present invention relates to the technical field of optical imagery, there is provided one kind miniaturization high resolution aspheric lens group.It includes that along thing side to image side direction successively interval setting six-element lens each lens are set into different refractive powers, focal length and male and fomale(M＆F), and the ratio of the thickness value sum and first lens of second lens and the 3rd lens is between 0.8 to 1.0.It is compared with the prior art, a kind of miniaturization high resolution aspheric lens group that the present invention is provided, by causing that six-element lens is separately set along a direction initialization successively, each lens are set into different refractive powers and male and fomale(M＆F), in this way, a kind of miniaturization high resolution aspheric lens group that the present invention is provided, by setting six-element lens, so as to the high-quality for realizing optical lens group is imaged, while the simple structure of the optical lens group and relatively thin has been taken into account, with good market prospects.
Description
Technical field
The present invention relates to the technical field of optical imagery, more particularly, to one kind miniaturization high resolution aspheric lens group
And imaging system.
Background technology
With imaging class electronic product used more and more extensively, the frequency that people carry with is more and more frequent,
The camera of this kind of imaging is required to be fabricated to and possesses smaller volume and lighter weight.Its image quality is also simultaneously
People one of pursue a goal.
The imaging function of electronic product, technology and the limitation of processing by early stage, the volume made is often larger, and
And image quality is also bad.And with the development of imaging camera morning market, succinct frivolous volume and high-quality are pursued till now
Imaging requirements.But the less lens structure of number cannot meet the requirement of consumer.Therefore the mirror of six chips how is utilized
The pick-up lens of piece composition, reaches miniaturization and the high resolution of lens group, becomes the problem solved for a needs.Therefore such as
What chooses suitable material, rational lens refractive index configuration and shape, the lens group is turned into a ultra-thin and high score
The lens group of resolution, is the previous problem for needing to solve of mesh.
Therefore, a a kind of miniaturization high resolution aspheric lens group and its imaging system are designed and developed, is necessary in fact.
The content of the invention
In consideration of it, the present invention provides a kind of miniaturization high resolution aspheric lens group and imaging system, existing skill is solved
Deficiency in art, realizes that the volume of optical lens group is small and take into account the characteristic of high resolution.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
One kind miniaturization high resolution aspheric lens group, including aperture and it is sequentially arranged at intervals with the along thing side to image side direction
One lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens；
Each lens are respectively provided with the thing side optical surface and image side optical surface being oppositely arranged；
First lens have positive refractive power, and at least one is non-in the thing side optical surface and image side optical surface of first lens
Sphere, the thing side optical surface of first lens is convex surface, and the image side optical surface of first lens is convex surface；
Second lens have negative refractive power, in the thing side optical surface and image side optical surface of second lens at least one for
Aspherical, the thing side optical surface of second lens is concave surface；
3rd lens have negative refractive power, and aspheric is in the thing side optical surface and image side optical surface of the 3rd lens
Face；
4th lens have positive refractive power, in the thing side optical surface and image side optical surface of the 4th lens at least one for
Aspherical, the thing side optical surface of the 4th lens is concave surface, and the image side optical surface of the 4th lens is convex surface；
5th lens have a positive refractive power, the thing side optical surface and image side optical surface of the 5th lens be it is aspherical,
The thing side optical surface of the 5th lens is convex surface, and the image side optical surface of the 5th lens is convex surface；
6th lens have a negative refractive power, the thing side optical surface and image side optical surface of the 6th lens be it is aspherical,
The thing side optical surface of the 6th lens is concave surface, and the image side optical surface of the 6th lens is concave surface；
The thickness value sum of second lens and the 3rd lens and the ratio of first lens be in 0.8 to 1.0 it
Between.
Preferably, the distance values and the 4th lens and the described 5th between the 3rd lens and the 4th lens
The ratio of the distance values between lens is located between 0.9 to 1.1.
Preferably, each lens are made by plastic cement material.
Preferably, the focal length of the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens point
Wei not 2.40 mm, -4.83 mm, 15.61 mm, 3.56 mm, 4.25 mm and -2.72 mm.
Preferably, the refractive index of the first lens, the 4th lens, the 5th lens and the 6th lens is 1.545；Second lens
It is 1.651 with the refractive index of the 3rd lens.
Preferably, the abbe number of the first lens, the 4th lens, the 5th lens and the 6th lens is 55.987；Second
The abbe number of lens and the 3rd lens is 21.514.
Preferably, the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens in optical axis
On thickness be respectively 0.513mm, 0.220mm, 0.244mm, 0.420mm, 0.487mm and 0.399mm；Wherein, described first
Spacing between lens and the second lens is 0.085mm, and the spacing between second lens and the 3rd lens is
0.355mm, the spacing between the 3rd lens and the 4th lens is 0.367 mm, the 4th lens and the described 5th
Spacing between lens is 0.365mm, and the spacing between the 5th lens and the 6th lens is 0.452mm.
Preferably, the reflectivity of the thing side optical surface of the 3rd lens is anti-with the image side optical surface of the 3rd lens
Penetrate rate in the same direction.
Preferably, the thing side optical surface of the first lens and the reflectivity of image side optical surface be respectively 1.447 and-
12.500；The thing side optical surface of the second lens and the reflectivity of image side optical surface are respectively -4.800 and 9.500；3rd lens
Thing side optical surface and the reflectivity of image side optical surface be respectively -10.000 and -10.000；The thing side optical surface of the 4th lens and
The reflectivity of image side optical surface is respectively -3.391 and -1.290；The thing side optical surface of the 5th lens and image side optical surface it is anti-
The rate of penetrating is respectively -4.150 and -1.380；The thing side optical surface of the 6th lens and the reflectivity of image side optical surface are respectively 2.668
With 0.903.
Present invention also offers a kind of imaging system, a kind of imaging system includes a kind of micro- described in any of the above-described
Type high resolution aspheric lens group.
It is compared with the prior art, a kind of miniaturization high resolution aspheric lens group that the present invention is provided, by setting six
Piece lens, make it separately be set successively along a direction initialization, and each lens are set into different refractive powers and male and fomale(M＆F), and described the
The ratio of the thickness value sum and first lens of two lens and the 3rd lens is between 0.8 to 1.0.In this way, this
A kind of miniaturization high resolution aspheric lens group that invention is provided, by setting six-element lens, so as to realize optical lens group
High-quality imaging, while taken into account the small volume of the optical lens group and frivolous, with good market prospects.
Brief description of the drawings
Fig. 1 is that a kind of structural principle that high resolution aspheric lens group is miniaturized provided in an embodiment of the present invention is illustrated
Figure.
The mark of each part is as follows in accompanying drawing：
1st, the first lens；2nd, the second lens；3rd, the 3rd lens；4th, the 4th lens；5th, the 5th lens；6th, the 6th lens；7th, first
The thing side optical surface of lens；8th, the image side optical surface of the first lens.
Specific embodiment
In order that the technical problems to be solved by the invention, technical scheme and beneficial effect become more apparent, below tie
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
For sake of convenience, hereinafter alleged " left side " " right side " " on " D score and accompanying drawing left and right, upper and lower in itself is to one
Cause, but not to structure of the invention restriction effect.
Realization of the invention is described in detail below in conjunction with specific accompanying drawing.
As shown in figure 1, being a kind of structure principle chart of the miniaturization high resolution aspheric lens group for providing of the invention.
A kind of miniaturization high resolution aspheric lens group that the present embodiment is provided, including aperture（Not shown in figure）And edge
Thing side to image side direction is sequentially arranged at intervals with the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5
With the 6th lens 6.
Each lens are respectively provided with the thing side optical surface and image side optical surface being oppositely arranged.
First lens 1 have positive refractive power, the thing side optical surface 7 and the image side light of the first lens of first lens
At least one is aspherical in face 8, and the thing side optical surface 7 of first lens is convex surface, the image side optics of first lens
Face 8 is convex surface.
Second lens 2 have negative refractive power, in the thing side optical surface and image side optical surface of second lens 2 at least
One is aspherical, and the thing side optical surface of second lens 2 is concave surface, and the image side optical surface of second lens 2 is concave surface；
The edge of the thing side optical surface of second lens 2 is provided with least one point of inflexion.
3rd lens 3 have negative refractive power, are in the thing side optical surface and image side optical surface of the 3rd lens 3
It is aspherical.The thing side optical surface of the 3rd lens 3 is concave surface, and the image side optical surface of the 3rd lens 3 is convex surface.
4th lens 4 have positive refractive power, in the thing side optical surface and image side optical surface of the 4th lens 4 at least
One is aspherical, and the thing side optical surface of the 4th lens 4 is concave surface, and the image side optical surface of the 4th lens 4 is convex surface.
5th lens 5 have positive refractive power, and the thing side optical surface and image side optical surface of the 5th lens 5 are non-
Sphere, the thing side optical surface of the 5th lens 5 is convex surface, and the image side optical surface of the 5th lens 5 is convex surface.
6th lens 6 have negative refractive power, and the thing side optical surface and image side optical surface of the 6th lens 6 are non-
Sphere, the thing side optical surface of the 6th lens 6 is concave surface, and the image side optical surface of the 6th lens 6 is concave surface.Described 6th
The edge of the thing side optical surface of lens 6 is provided with least 2 points of inflexion, and the edge of the image side optical surface of the 6th lens 6 sets
It is equipped with least one point of inflexion.
Second lens 2 are in 0.8 with the thickness value sum of the 3rd lens 3 with the ratio of first lens 1
To between 1.0.
That is, the thing side optical surface and image side optical surface of each lens, are aspherical；
It is namely as shown in the table：
It is compared with the prior art, in a kind of miniaturization high resolution aspheric lens group that the present invention is provided, each lens is set
Different refractive powers and male and fomale(M＆F), and the thing side optical surface and image side optical surface of the 6th lens 6 are set to anti-with least one
Qu Dian, while the edge of the thing side optical surface of second lens 2 is set into a point of inflexion.In this way, the one of present invention offer
Kind miniaturization high resolution aspheric lens group, by setting six-element lens, by each lens along the lateral image side direction of thing successively between
Every setting, meanwhile, by the different refractive power of each lens configuration, focal length, thickness and spacing, and by the thing sidelight of each lens
Face and image side optical surface are arranged to corresponding concave surface or convex surface, so as to the high-quality for realizing optical lens group is imaged, while ensuring
The simple structure of the optical lens, small volume and frivolous, with good market prospects.
Preferably, each lens are made by plastic cement material.A kind of miniaturization high resolution that the present invention is provided
In aspheric lens group, lens selection plastic cement is made, the free degree of the refracting power configuration of optical lens group can be increased.
And lens are also easy to be processed into aspheric profile, for cutting down aberration, such that it is able to reduce the use number of lens, effective drop
The low total length of lens group, and with good image quality.
Preferably, the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6
Focal length is respectively 2.40 mm, -4.83 mm, 15.61 mm, 3.56 mm, 4.25 mm and -2.72 mm.
Preferably, the refractive index of the first lens 1, the 4th lens 4, the 5th lens 5 and the 6th lens 6 is 1.545；Second
The refractive index of the lens 3 of lens 2 and the 3rd is 1.651.
Preferably, the abbe number of the first lens 1, the 4th lens 4, the 5th lens 5 and the 6th lens 6 is 55.987；
The abbe number of the second lens 2 and the 3rd lens 3 is 21.514.So, it is ensured that the quality of optical imagery, while maximizing
Reduction this component spatial volume, be allowed to more compact, range of application is more extensive.
Specifically, second lens 2 are less than or equal to the absolute value of the difference of the abbe number of the 3rd lens 3
10.It is, | P2 Vd-P3 Vd |<= 10.
For purposes of illustration only, in the present embodiment, by first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4,
The thickness on optical axis of the 5th lens 5 and the 6th lens 6 is respectively defined as CT1, CT2, CT3, CT4, CT5 and CT6.Will be described
Spacing between first lens 1 and the second lens 2 is defined as AC12, between second lens 2 and the 3rd lens 3 between
Away from being defined as AC23, the spacing between the 3rd lens 3 and the 4th lens 4 is defined as AC34, the 4th lens 4 with
Spacing between 5th lens 5 is defined as AC45, the spacing definition between the 5th lens 5 and the 6th lens 6
It is AC56.
Preferably, the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6 exist
Thickness CT1, CT2, CT3, CT4, CT5 and CT6 on optical axis be respectively 0.513mm, 0.220mm, 0.244mm, 0.420mm,
0.487mm and 0.399mm.
Wherein, the spacing between the lens 2 of first lens 1 and second be 0.085mm, second lens 2 with it is described
Spacing between 3rd lens 3 is 0.355mm, and the spacing between the 3rd lens 3 and the 4th lens 4 is 0.367
Mm, the spacing between the 4th lens 4 and the 5th lens 5 is 0.365mm, and the 5th lens 5 are saturating with the described 6th
Spacing between mirror 6 is 0.452mm.
Preferably, the reflectivity of the thing side optical surface of the 3rd lens 3 and the image side optical surface of the 3rd lens 3
Reflectivity is in the same direction.
Preferably, the reflectivity of the image side optical surface 8 of the thing side optical surface 7 and the first lens of the first lens is respectively
1.447 and -12.500；The thing side optical surface of the second lens 2 and the reflectivity of image side optical surface be respectively -4.800 and
9.500；The thing side optical surface of the 3rd lens 3 and the reflectivity of image side optical surface are respectively -10.000 and -10.000；4th is saturating
The thing side optical surface of mirror 4 and the reflectivity of image side optical surface are respectively -3.391 and -1.290；The thing sidelight of the 5th lens 5
The reflectivity of face and image side optical surface is respectively -4.150 and -1.380；The thing side optical surface and image side optical surface of the 6th lens 6
Reflectivity be respectively 2.668 and 0.903.
Present invention also offers a kind of imaging system, the imaging system includes a kind of miniaturization high resolution aspherical mirror
Head group, it include aperture and along thing side to image side direction be sequentially arranged at intervals with the first lens 1, the second lens 2, the 3rd lens 3,
4th lens 4, the 5th lens 5 and the 6th lens 6.
Each lens are respectively provided with the thing side optical surface and image side optical surface being oppositely arranged.
First lens 1 have positive refractive power, the thing side optical surface 7 and the image side light of the first lens of first lens
At least one is aspherical in face 8, and the thing side optical surface 7 of first lens is convex surface, the image side optics of first lens
Face 8 is convex surface.
Second lens 2 have negative refractive power, in the thing side optical surface and image side optical surface of second lens 2 at least
One is aspherical, and the thing side optical surface of second lens 2 is concave surface, and the image side optical surface of second lens 2 is concave surface；
The edge of the thing side optical surface of second lens 2 is provided with least one point of inflexion.
3rd lens 3 have negative refractive power, are in the thing side optical surface and image side optical surface of the 3rd lens 3
It is aspherical.The thing side optical surface of the 3rd lens 3 is concave surface, and the image side optical surface of the 3rd lens 3 is convex surface.
4th lens 4 have positive refractive power, in the thing side optical surface and image side optical surface of the 4th lens 4 at least
One is aspherical, and the thing side optical surface of the 4th lens 4 is concave surface, and the image side optical surface of the 4th lens 4 is convex surface.
5th lens 5 have positive refractive power, and the thing side optical surface and image side optical surface of the 5th lens 5 are non-
Sphere, the thing side optical surface of the 5th lens 5 is convex surface, and the image side optical surface of the 5th lens 5 is convex surface.
6th lens 6 have negative refractive power, and the thing side optical surface and image side optical surface of the 6th lens 6 are non-
Sphere, the thing side optical surface of the 6th lens 6 is concave surface, and the image side optical surface of the 6th lens 6 is concave surface.Described 6th
The edge of the thing side optical surface of lens 6 is provided with least 2 points of inflexion, and the edge of the image side optical surface of the 6th lens 6 sets
It is equipped with least one point of inflexion.
Second lens 2 are in 0.8 with the thickness value sum of the 3rd lens 3 with the ratio of first lens 1
To between 1.0.
Preferably, each lens are made by plastic cement material.A kind of miniaturization high resolution that the present invention is provided
In aspheric lens group, lens selection plastic cement is made, the free degree of the refracting power configuration of optical lens group can be increased.
And lens are also easy to be processed into aspheric profile, for cutting down aberration, such that it is able to reduce the use number of lens, effective drop
The low total length of lens group, and with good image quality.
Preferably, the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6
Focal length is respectively 2.40 mm, -4.83 mm, 15.61 mm, 3.56 mm, 4.25 mm and -2.72 mm.
Preferably, the refractive index of the first lens 1, the 4th lens 4, the 5th lens 5 and the 6th lens 6 is 1.545；Second
The refractive index of the lens 3 of lens 2 and the 3rd is 1.651.
Preferably, the abbe number of the first lens 1, the 4th lens 4, the 5th lens 5 and the 6th lens 6 is 55.987；
The abbe number of the second lens 2 and the 3rd lens 3 is 21.514.So, it is ensured that the quality of optical imagery, while maximizing
Reduction this component spatial volume, be allowed to more compact, range of application is more extensive.
Specifically, second lens 2 are less than or equal to the absolute value of the difference of the abbe number of the 3rd lens 3
10.It is, | P2 Vd-P3 Vd |<= 10.
Preferably, the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6 exist
Thickness CT1, CT2, CT3, CT4, CT5 and CT6 on optical axis be respectively 0.513mm, 0.220mm, 0.244mm, 0.420mm,
0.487mm and 0.399mm.
Wherein, the spacing between the lens 2 of first lens 1 and second be 0.085mm, second lens 2 with it is described
Spacing between 3rd lens 3 is 0.355mm, and the spacing between the 3rd lens 3 and the 4th lens 4 is 0.367
Mm, the spacing between the 4th lens 4 and the 5th lens 5 is 0.365mm, and the 5th lens 5 are saturating with the described 6th
Spacing between mirror 6 is 0.452mm.
Preferably, the reflectivity of the thing side optical surface of the 3rd lens 3 and the image side optical surface of the 3rd lens 3
Reflectivity is in the same direction.
Preferably, the reflectivity of the image side optical surface 8 of the thing side optical surface 7 and the first lens of the first lens is respectively
1.447 and -12.500；The thing side optical surface of the second lens 2 and the reflectivity of image side optical surface be respectively -4.800 and
9.500；The thing side optical surface of the 3rd lens 3 and the reflectivity of image side optical surface are respectively -10.000 and -10.000；4th is saturating
The thing side optical surface of mirror 4 and the reflectivity of image side optical surface are respectively -3.391 and -1.290；The thing sidelight of the 5th lens 5
The reflectivity of face and image side optical surface is respectively -4.150 and -1.380；The thing side optical surface and image side optical surface of the 6th lens 6
Reflectivity be respectively 2.668 and 0.903.
It should be noted that preferably implementation method of the invention is given in specification of the invention and its accompanying drawing, but
It is that the present invention can be realized by many different forms, however it is not limited to the implementation method described by this specification, these realities
Mode is applied not as the extra limitation to present invention, there is provided the purpose of these implementation methods is made in disclosure of the invention
The understanding of appearance is more thorough comprehensive.Also, above-mentioned each technical characteristic continues to be mutually combined, the various realities that formation is not enumerated above
Mode is applied, the scope of description of the invention record is accordingly to be regarded as；Further, for those of ordinary skills, can be with root
Improved according to described above or converted, and all these modifications and variations should all belong to the protection of appended claims of the present invention
Scope.
Claims (10)
- It is 1. a kind of that high resolution aspheric lens group is miniaturized, it is characterised in thatThe first lens, the second lens, the 3rd lens, the 4th saturating are sequentially arranged at intervals with including aperture and along thing side to image side direction Mirror, the 5th lens and the 6th lens；Each lens are respectively provided with the thing side optical surface and image side optical surface being oppositely arranged；First lens have positive refractive power, and at least one is non-in the thing side optical surface and image side optical surface of first lens Sphere, the thing side optical surface of first lens is convex surface, and the image side optical surface of first lens is convex surface；Second lens have negative refractive power, in the thing side optical surface and image side optical surface of second lens at least one for Aspherical, the thing side optical surface of second lens is concave surface；3rd lens have negative refractive power, and aspheric is in the thing side optical surface and image side optical surface of the 3rd lens Face；4th lens have positive refractive power, in the thing side optical surface and image side optical surface of the 4th lens at least one for Aspherical, the thing side optical surface of the 4th lens is concave surface, and the image side optical surface of the 4th lens is convex surface；5th lens have a positive refractive power, the thing side optical surface and image side optical surface of the 5th lens be it is aspherical, The thing side optical surface of the 5th lens is convex surface, and the image side optical surface of the 5th lens is convex surface；6th lens have a negative refractive power, the thing side optical surface and image side optical surface of the 6th lens be it is aspherical, The thing side optical surface of the 6th lens is concave surface, and the image side optical surface of the 6th lens is concave surface；The thickness value sum of second lens and the 3rd lens and the ratio of first lens be in 0.8 to 1.0 it Between.
- 2. one kind as claimed in claim 1 is miniaturized high resolution aspheric lens group, it is characterised in that the 3rd lens Ratio with the distance values between the 4th lens and the distance values between the 4th lens and the 5th lens is located at Between 0.9 to 1.1.
- 3. one kind as claimed in claim 1 is miniaturized high resolution aspheric lens group, it is characterised in that each lens are equal It is made by plastic cement material.
- 4. miniaturization high resolution aspheric lens group as claimed in claim 1 a kind of, it is characterised in that the first lens, the The focal length of two lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens is respectively 2.40 mm, -4.83 mm, 15.61 Mm, 3.56 mm, 4.25 mm and -2.72 mm.
- 5. miniaturization high resolution aspheric lens group as claimed in claim 1 a kind of, it is characterised in that the first lens, the The refractive index of four lens, the 5th lens and the 6th lens is 1.545；The refractive index of the second lens and the 3rd lens is 1.651.
- 6. miniaturization high resolution aspheric lens group as claimed in claim 1 a kind of, it is characterised in that the first lens, the The abbe number of four lens, the 5th lens and the 6th lens is 55.987；The abbe number of the second lens and the 3rd lens is 21.514。
- 7. miniaturization high resolution aspheric lens group as claimed in claim 1 a kind of, it is characterised in that the first lens, the The thickness on optical axis of two lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens be respectively 0.513mm, 0.220mm, 0.244mm, 0.420mm, 0.487mm and 0.399mm；Wherein, between first lens and the second lens Away from being 0.085mm, the spacing between second lens and the 3rd lens is 0.355mm, the 3rd lens with it is described Spacing between 4th lens is 0.367 mm, and the spacing between the 4th lens and the 5th lens is 0.365mm, institute It is 0.452mm to state the spacing between the 5th lens and the 6th lens.
- 8. one kind as claimed in claim 1 is miniaturized high resolution aspheric lens group, it is characterised in that the 3rd lens Thing side optical surface reflectivity it is in the same direction with the reflectivity of the image side optical surface of the 3rd lens.
- 9. one kind as claimed in claim 8 is miniaturized high resolution aspheric lens group, it is characterised in that the thing of the first lens The reflectivity of side optical surface and image side optical surface is respectively 1.447 and -12.500；The thing side optical surface of the second lens and image side The reflectivity of optical surface is respectively -4.800 and 9.500；The thing side optical surface of the 3rd lens and the reflectivity of image side optical surface point Wei -10.000 and -10.000；The thing side optical surface of the 4th lens and the reflectivity of image side optical surface be respectively -3.391 and - 1.290；The thing side optical surface of the 5th lens and the reflectivity of image side optical surface are respectively -4.150 and -1.380；6th lens Thing side optical surface and the reflectivity of image side optical surface be respectively 2.668 and 0.903.
- 10. a kind of imaging system, it is characterised in that a kind of imaging system includes a kind of miniaturization described in any of the above-described High resolution aspheric lens group.
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| CN201710178555.9A CN106772956A (en) | 2017-03-23 | 2017-03-23 | One kind miniaturization high resolution aspheric lens group and imaging system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2019191547A (en) * | 2018-04-26 | 2019-10-31 | エーエーシー テクノロジーズ ピーティーイー リミテッド | Image capturing optical lens |
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| WO2021168882A1 (en) * | 2020-02-24 | 2021-09-02 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
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Application publication date: 20170531 |