CN106772953A - The high-resolution portable camera of small size - Google Patents
The high-resolution portable camera of small size Download PDFInfo
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- CN106772953A CN106772953A CN201710170954.0A CN201710170954A CN106772953A CN 106772953 A CN106772953 A CN 106772953A CN 201710170954 A CN201710170954 A CN 201710170954A CN 106772953 A CN106772953 A CN 106772953A
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- lens
- optical surface
- side optical
- image side
- thing side
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Classifications
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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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention relates to the technical field of optical imagery, there is provided the high-resolution portable camera of small size.It is along thing side to image side direction successively interval setting aperture and five lens, each lens are set into different refractive powers and male and fomale(M＆F), and the image optical surface and image side optical surface of the second lens and the 5th lens are set to have an at least point of inflexion, the ratio between the thickness value of second lens and the 3rd lens on optical axis is between 0.8 to 1.1.So, the high-resolution portable camera of the small size that the present invention is provided, set by the point of inflexion for changing the 5th lens, and the thickness ratio of the 3rd lens and the second lens is set, so that five lens occupy little space, and the high-quality that optical lens are imaged is can guarantee that, with good market prospects.
Description
Technical field
The present invention relates to the technical field of optical imagery, more particularly, to the high-resolution portable shooting of small size
Head.
Background technology
As internet arrives from generation to generation, people are more and more with the chance shared in online communation.People can use and can take
The Video chat function and camera function of formula product.The volume that portable product will be designed to more frivolous is taken with oneself with profit
Band, camera therein will also be designed to frivolous volume；On the other hand desirably exchange share real-time imaging with
The quality of image for becoming apparent from can be obtained when accounting for piece.
At present, more and more more than what the sensor module of ten million picture element rank was employed, it is saturating that early stage camera is used
Mirror eyeglass number has been unable to reach ten million picture element grade, in order to further improve imaging definition, using the lenses machine of chip
Structure, dioptric configuration is poor, and easily produces big aberration, also the difficult definition for further improving imaging.I.e., it is impossible to design compared with
It is preferable lightening and high-resolution portable product imaging camera.
In consideration of it, designing and developing a small-sized slimming and the high-resolution of the small size with image quality high is taken
Formula camera, is necessary in fact.
The content of the invention
In consideration of it, the present invention provides the high-resolution portable camera of small size, deficiency of the prior art is solved,
Product miniaturization, slimming are realized, and has good image quality simultaneously.
In order to solve the above technical problems, the technical solution adopted in the present invention is：Small size it is high-resolution portable
Camera, including aperture, the aperture, the first lens, the second lens, the 3rd are sequentially arranged at intervals with along thing side to image side direction
Lens, the 4th lens and the 5th 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 the thing side optical surface of first lens is convex surface, the picture of first lens
Side optical surface is concave surface, and the image side optical surface of the thing side optical surface of first lens and first lens is aspherical；
The image side optical surface of the thing side optical surface of second lens and second lens is aspherical, and is respectively provided with least
One point of inflexion；
3rd lens have negative refractive power, the thing side optical surface of the 3rd lens and the image side optics of the 3rd lens
Face is aspherical；
4th lens have positive refractive power, and the thing side optical surface of the 4th lens is convex surface, the picture of the 4th lens
Side optical surface is concave surface, has at least one in the thing side optical surface of the 4th lens and the image side optical surface of the 4th lens
Face 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 concave surface, and the described 5th is saturating
It is aspherical to have at least one side in the image side optical surface of the thing side optical surface of mirror and the 5th lens；
The ratio between the thickness value of second lens and the 3rd lens on optical axis is between 0.8 to 1.1.
Preferably, second lens and the 3rd lens have Qu Xiangli in the same direction.
Preferably, the thing sidelight face of the image side optical surface of first lens and the second lens has reverse reflection
Rate；The image side optical surface of second lens and the thing sidelight face of the 3rd lens have reverse reflectivity；Described 3rd is saturating
The image side optical surface of mirror and the thing sidelight face of the 4th lens have reflectivity in the same direction.
Preferably, the image side optical surface of the thing side optical surface of the 5th lens and the 5th lens is anti-with least one
Qu Dian.
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 and the 5th lens is respectively
2.96mm, -10.20 mm, -7.13mm, 3.22 mm and -3.41 mm.
Preferably, the refractive index of the first lens, the 4th lens and the 5th lens is 1.545；Second lens and the 3rd saturating
The refractive index of mirror is 1.651.
Preferably, the abbe number of the first lens, the 4th lens and the 5th lens is 55.987；Second lens and the 3rd
The abbe number of lens is 21.514.
Preferably, the thickness on optical axis of the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens
Respectively 0.528mm, 0.238mm, 0.253mm, 0.444mm and 0.407mm；Wherein, first lens and the second lens it
Between spacing be 0.164mm, spacing between second lens and the 3rd lens is 0.290mm, the 3rd lens
It is 0.213mm with the spacing between the 4th lens, the spacing between the 4th lens and the 5th lens is
0.547mm。
Preferably, the thing side of the first lens and the reflectivity of image side surface are respectively 1.378 and 8.000；Second lens
The reflectivity of thing side and image side surface is respectively -4.500 and 14.000；The thing side of the 3rd lens and the reflectivity of image side surface point
Wei 13.328 and 3.437；The thing side of the 4th lens and the reflectivity of image side surface are respectively 30.000 and -1.858 and the 5th
The thing side of lens and the reflectivity of image side surface are respectively 2.974 and 1.090.
It is compared with the prior art, the high-resolution portable camera of the small size that the present invention is provided, by by aperture
Separately set along a direction initialization successively with five lens, each lens are set into different refractive powers and male and fomale(M＆F), and by the
The image optical surface and image side optical surface of five lens are set to have an at least point of inflexion, and by the second lens and the 5th lens
Image optical surface and image side optical surface are set to have an at least point of inflexion, and second lens and the 3rd lens are in optical axis
On the ratio between thickness value between 0.8 to 1.1.In this way, the high-resolution portable camera of the small size that the present invention is provided,
Set by the point of inflexion for changing the 5th lens, and the thickness ratio of the 3rd lens and the second lens is set so that five lens
Occupy little space, and can guarantee that the high-quality of optical lens imaging, with good market prospects.
Brief description of the drawings
Fig. 1 is that the part-structure of the high-resolution portable camera of small size 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 image side light of the first lens
Face；7th, the thing 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, the structure principle chart of the high-resolution portable camera for the small size for providing of the invention.
It is shown in Figure 1, the high-resolution portable camera of the small size that the present embodiment is provided, along thing side to image side
Direction is sequentially arranged at intervals with aperture（Not shown in figure）, the first lens 1, the second lens 2, the 3rd lens 3, the and of the 4th lens 4
5th lens 5.
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, and the thing side optical surface 7 of first lens is convex surface, and described first is saturating
The image side optical surface 6 of mirror is concave surface, in the thing side optical surface 7 of first lens and the image side optical surface 6 of first lens
It is aspherical.
3rd lens 3 have negative refractive power, and the thing side optical surface of the 3rd lens 3 is convex surface, and the described 3rd is saturating
The image side optical surface of mirror 3 is concave surface, and the thing side optical surface and image side optical surface of the 3rd lens 3 are respectively provided with an at least contrary flexure
Point.In the present embodiment, the edge of the thing side optical surface of the 3rd lens 3 has a point of inflexion, the picture of the 3rd lens 3
The edge of side optical surface has two points of inflexion.The thing side optical surface of the 3rd lens 3 and the image side of the 3rd lens 3
Optical surface is aspherical.
Specifically, second lens 2 and the 3rd lens 3 have Qu Xiangli in the same direction.In the present embodiment, described
Two lens 2 have negative refractive power, and the thing side optical surface of second lens 2 is concave surface, the image side optical surface of second lens 2
It is concave surface, the image side optical surface of the thing side optical surface of second lens 2 and second lens 2 is aspherical.Further
Ground, in the present embodiment, the edge of the thing side optical surface of second lens 2 has two points of inflexion, second lens 2
The edge of image side optical surface has a point of inflexion.
4th lens 4 have positive refractive power, and the thing side optical surface of the 4th lens 4 is convex surface, and the described 4th is saturating
The image side optical surface of mirror 4 is convex surface, and in the present embodiment, the edge of the thing side optical surface of second lens 2 also has one
It is non-to have at least one side in the point of inflexion, the thing side optical surface of the 4th lens 4 and the image side optical surface of the 4th lens 4
Sphere；In the present embodiment, the thing side optical surface of the 4th lens 4 and the image side optical surface of the 4th lens 4 are aspheric
Face.
4th lens 5 have negative refractive power, and the thing side optical surface of the 5th lens 5 is convex surface, and the described 5th is saturating
The image side optical surface of mirror 5 is concave surface, and the thing side optical surface of the 5th lens 5 and the image side optical surface of the 5th lens 5 are equal
For aspherical.Further, the thing side optical surface and image side optical surface of the 5th lens 5 are respectively provided with an at least point of inflexion.This
In embodiment, the edge of the thing side optical surface of the 5th lens 5 has two points of inflexion, the image side of the 5th lens 5
The edge of optical surface has a point of inflexion.
The ratio between the thickness value of second lens 2 and the 3rd lens 3 on optical axis is between 0.8 to 1.1.For ease of
Illustrate, by first lens 1, second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5
The thickness on optical axis be respectively defined as CT1, CT2, CT3, CT4 and CT5.
It is, the ratio between the CT2 and the CT3, between 0.8 to 1.0.Namely：0.8 <= CT2 /
CT3 <= 1.1。
Preferably, in the present embodiment, the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5
Thickness CT1, CT2, CT3, CT4 and CT5 on optical axis be respectively 0.528mm, 0.238mm, 0.253mm, 0.444mm and
0.407mm。
It is compared with the prior art, the high-resolution portable camera of the small size that the present invention is provided, by by aperture
Separately set along a direction initialization successively with five lens, each lens are set into different refractive powers and male and fomale(M＆F), and by the
The image optical surface and image side optical surface of five lens are set to have an at least point of inflexion, and by the second lens and the 5th lens
Image optical surface and image side optical surface are set to have an at least point of inflexion, and second lens and the 3rd lens are in optical axis
On the ratio between thickness value between 0.8 to 1.1.In this way, the high-resolution portable camera of the small size that the present invention is provided,
Set by the point of inflexion for changing the 5th lens, and the thickness ratio of the 3rd lens and the second lens is set so that five lens
Occupy little space, and can guarantee that the high-quality of optical lens imaging, with good market prospects.
It is namely as shown in the table：
Preferably, each lens are made by plastic cement material.The high-resolution of small size that the present invention is provided is taken
In formula camera, using plastic cement material, selection plastic cement is made, and can both mitigate camera overall weight and volume,
It is beneficial to be processed into aspherical shape with mould again, reduces aberration, improves the image quality of camera.
Specifically, the thing sidelight face of the image side optical surface of first lens 1 and the second lens 2 has reverse reflection
Rate；The image side optical surface of second lens 2 and the thing sidelight face of the 3rd lens 3 have reflectivity in the same direction；Described 3rd
The image side optical surface of lens 3 and the thing sidelight face of the 4th lens 4 have reflectivity in the same direction.Specifically, in the present embodiment, institute
The reflectivity for stating the image side optical surface of the first lens 1 is 8.000, and the reflectivity of the thing side optical surface of the second lens 2 is -4.500；
The reflectivity of the image side optical surface of second lens 2 is 14.000, and the reflectivity of the thing side optical surface of the 3rd lens 3 is
13.328；The reflectivity of the image side optical surface of the 3rd lens 3 is 3.437, the reflectivity of the thing side optical surface of the 4th lens 4
It is 30.000.
Specifically, in the present embodiment, the refractive index of first lens 1, the 4th lens 4 and the 5th lens 5
It is 1.545；The refractive index of second lens and the 3rd lens is 1.651.
Preferably, in the present embodiment, the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5
Focal length be respectively 2.96mm, -10.20 mm, -7.13mm, 3.22 mm and -3.41 mm.
Preferably, the abbe number of the first lens 1, the 4th lens 4 and the 5th lens 5 is disposed as 55.987；Second
The lens 3 of lens 2 and the 3rd, abbe number be set to 21.514.So, it is ensured that the quality of optical imagery, while can be maximum
The spatial volume for reducing this component of change, is allowed to more compact, and range of application is more extensive.
For purposes of illustration only, in the present embodiment, the spacing between the lens 2 of first lens 1 and second is defined as AC12,
Spacing between second lens 2 and the 3rd lens 3 is defined as AC23, the 3rd lens 3 and the 4th lens 4
Between spacing be defined as AC34, the spacing between the 4th lens 4 and the 5th lens 5 is defined as AC45.
Specifically, in the present embodiment, the spacing AC12 between the lens 2 of first lens 1 and second is 0.164mm, institute
It is 0.290mm, the 3rd lens 3 and the 4th lens to state the spacing AC23 between the second lens 2 and the 3rd lens 3
Spacing AC34 between 4 is 0.213mm, and the spacing AC45 between the 4th lens 4 and the 5th lens 5 is 0.547mm.
Specifically, in the present embodiment, the thing side of the first lens and the reflectivity of image side surface are respectively 1.378 and 8.000；
The thing side of the second lens and the reflectivity of image side surface are respectively -4.500 and 14.000；The thing side of the 3rd lens and image side surface
Reflectivity be respectively 13.328 and 3.437；The thing side of the 4th lens and the reflectivity of image side surface be respectively 30.000 and-
1.858 and the 5th lens thing side and the reflectivity of image side surface be respectively 2.974 and 1.090.
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)
1. the high-resolution portable camera of small size, including aperture, it is characterised in that
The aperture, the first lens, the second lens, the 3rd lens, the 4th saturating is sequentially arranged at intervals with along thing side to image side direction
Mirror and the 5th 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 the thing side optical surface of first lens is convex surface, the picture of first lens
Side optical surface is concave surface, and the image side optical surface of the thing side optical surface of first lens and first lens is aspherical；
The image side optical surface of the thing side optical surface of second lens and second lens is aspherical, and is respectively provided with least
One point of inflexion；
3rd lens have negative refractive power, the thing side optical surface of the 3rd lens and the image side optics of the 3rd lens
Face is aspherical；
4th lens have positive refractive power, and the thing side optical surface of the 4th lens is convex surface, the picture of the 4th lens
Side optical surface is concave surface, has at least one in the thing side optical surface of the 4th lens and the image side optical surface of the 4th lens
Face 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 concave surface, and the described 5th is saturating
It is aspherical to have at least one side in the image side optical surface of the thing side optical surface of mirror and the 5th lens；
The ratio between the thickness value of second lens and the 3rd lens on optical axis is between 0.8 to 1.1.
2. the high-resolution portable camera of small size as claimed in claim 1, it is characterised in that second lens
There is Qu Xiangli in the same direction with the 3rd lens.
3. the high-resolution portable camera of small size as claimed in claim 2, it is characterised in that first lens
Image side optical surface and the thing sidelight face of the second lens there is reverse reflectivity；The image side optical surface of second lens and
The thing sidelight face of the 3rd lens has reverse reflectivity；The image side optical surface of the 3rd lens and the thing side of the 4th lens
Optical surface has reflectivity in the same direction.
4. the high-resolution portable camera of small size as claimed in claim 1, it is characterised in that the 5th lens
Thing side optical surface and the 5th lens image side optical surface have an at least point of inflexion.
5. the high-resolution portable camera of small size as claimed in claim 1, it is characterised in that each lens are equal
It is made by plastic cement material.
6. the high-resolution portable camera of small size as claimed in claim 1, it is characterised in that the first lens,
The focal length of two lens, the 3rd lens, the 4th lens and the 5th lens is respectively 2.96mm, -10.20 mm, -7.13mm, 3.22
Mm and -3.41 mm.
7. the high-resolution portable camera of small size as claimed in claim 1, it is characterised in that the first lens,
The refractive index of four lens and the 5th lens is 1.545；The refractive index of the second lens and the 3rd lens is 1.651.
8. the high-resolution portable camera of small size as claimed in claim 1, it is characterised in that the first lens,
The abbe number of four lens and the 5th lens is 55.987；The abbe number of the second lens and the 3rd lens is 21.514.
9. the high-resolution portable camera of small size as claimed in claim 1, it is characterised in that the first lens,
The thickness on optical axis of two lens, the 3rd lens, the 4th lens and the 5th lens be respectively 0.528mm, 0.238mm,
0.253mm, 0.444mm and 0.407mm；Wherein, the spacing between first lens and the second lens is 0.164mm, described
Spacing between second lens and the 3rd lens is 0.290mm, between the 3rd lens and the 4th lens between
Away from being 0.213mm, the spacing between the 4th lens and the 5th lens is 0.547mm.
10. the high-resolution portable camera of small size as claimed in claim 9, it is characterised in that the first lens
The reflectivity of thing side and image side surface is respectively 1.378 and 8.000；The thing side of the second lens and the reflectivity difference of image side surface
It is -4.500 and 14.000；The thing side of the 3rd lens and the reflectivity of image side surface are respectively 13.328 and 3.437；4th lens
Thing side and image side surface reflectivity be respectively 30.000 and -1.858 and the 5th lens thing side and image side surface reflection
Rate is respectively 2.974 and 1.090.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170954.0A CN106772953A (en) | 2017-03-21 | 2017-03-21 | The high-resolution portable camera of small size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170954.0A CN106772953A (en) | 2017-03-21 | 2017-03-21 | The high-resolution portable camera of small size |
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|---|---|
| CN106772953A true CN106772953A (en) | 2017-05-31 |
Family
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| CN201710170954.0A Pending CN106772953A (en) | 2017-03-21 | 2017-03-21 | The high-resolution portable camera of small size |
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| CN202362524U (en) * | 2011-07-11 | 2012-08-01 | 大立光电股份有限公司 | Image pickup optical lens |
| CN102798962A (en) * | 2011-05-26 | 2012-11-28 | 大立光电股份有限公司 | Optical image lens assembly |
| US20140063620A1 (en) * | 2012-09-05 | 2014-03-06 | Pil Sun Jung | Photographing Lens Optical System |
| CN104252032A (en) * | 2011-08-04 | 2014-12-31 | 大立光电股份有限公司 | Optical image capturing lens assembly |
-
2017
- 2017-03-21 CN CN201710170954.0A patent/CN106772953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798962A (en) * | 2011-05-26 | 2012-11-28 | 大立光电股份有限公司 | Optical image lens assembly |
| CN202362524U (en) * | 2011-07-11 | 2012-08-01 | 大立光电股份有限公司 | Image pickup optical lens |
| CN104090348A (en) * | 2011-07-11 | 2014-10-08 | 大立光电股份有限公司 | Image pickup optical lens |
| CN104252032A (en) * | 2011-08-04 | 2014-12-31 | 大立光电股份有限公司 | Optical image capturing lens assembly |
| US20140063620A1 (en) * | 2012-09-05 | 2014-03-06 | Pil Sun Jung | Photographing Lens Optical System |
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