CN207114858U - The increment auxiliary lens that a kind of Dual-camera handset uses - Google Patents
The increment auxiliary lens that a kind of Dual-camera handset uses Download PDFInfo
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- CN207114858U CN207114858U CN201720895687.9U CN201720895687U CN207114858U CN 207114858 U CN207114858 U CN 207114858U CN 201720895687 U CN201720895687 U CN 201720895687U CN 207114858 U CN207114858 U CN 207114858U
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Abstract
This application discloses the increment auxiliary lens that a kind of Dual-camera handset uses, including：The first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens set gradually along optical axis from thing side to image side；First lens are bonded with the second lens；3rd lens are bonded with the 4th lens；Airspace between second lens and the 3rd lens is 0.15mm to 0.21mm；Airspace between 4th lens and the 5th lens is 0.28mm to 0.35mm.Above-mentioned increment auxiliary lens disclosed in the present application passes through five chip optical textures and relevant parameter, central vision and peripheral field can be made to meet the limiting resolution of mobile phone camera, it can be corrected and distorted with emphasis simultaneously, distortion is reduced to less than 2%, ratio chromatism, and chromatism of position can also be corrected, aberration substantially eliminates.
Description
Technical field
Optical field is the utility model is related to, the increment auxiliary lens used more particularly to a kind of Dual-camera handset.
Background technology
With the raising of living standard, people gradually step up for the demand of photography and vedio recording, and slr camera and micro-
The price of one camera remains high again, therefore the auxiliary lens that uses of mobile phone gradually comes into the sight of people, and mobile phone additional mirror
Current more low side, image quality can not meet the needs of people.
At present, apple 7plus dual camera is made up of the camera that focal length is 3.99mm and 6.6mm respectively, and current
Do not design the increment auxiliary lens of production specially for the camera that apple 7plus focal lengths are 6.6mm on the market.Also,
Common increment auxiliary lens existing for market is two-piece type or three-chip type optical texture at present, and simple in construction, imaging is poor, only
There is the requirement that central vision resolution ratio disclosure satisfy that mobile phone, and peripheral field can not meet that the use of mobile phone camera will
Ask, in addition, also having the aberrations such as distortion and aberration, influence image quality.
Therefore, the image quality of mobile phone (such as apple 7plus) increment auxiliary lens how is improved, is people in the art
Member's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide the increment auxiliary lens that a kind of Dual-camera handset uses,
The limiting resolution of mobile phone camera can be met, meanwhile, within 2%, aberration substantially eliminates aberration control.Its concrete scheme
It is as follows：
The increment auxiliary lens that a kind of Dual-camera handset uses, including：
The first lens, the second lens, the 3rd lens, the 4th lens and set gradually along optical axis from thing side to image side
Five lens；
First lens are bonded with second lens；3rd lens are bonded with the 4th lens；
The thing side of first lens is convex surface, and image side surface is convex surface；
The thing side of second lens is bonded with the image side surface of first lens, and image side surface is concave surface；
The thing side of 3rd lens is convex surface, and image side surface is concave surface；
The thing side of 4th lens is bonded with the image side surface of the 3rd lens；
The image side surface of 5th lens is concave surface；
Airspace between second lens and the 3rd lens is 0.15mm to 0.21mm；
Airspace between 4th lens and the 5th lens is 0.28mm to 0.35mm.
Preferably, in the increment auxiliary lens that the above-mentioned Dual-camera handset that the utility model embodiment provides uses,
The radius of curvature of the thing side of first lens is 18.2mm to 18.4mm, and center thickness is 0.9mm to 1.1mm, is used
Optical glass material refractive index is 1.6 to 1.65, and Abbe number is 59 to 65.
Preferably, in the increment auxiliary lens that the above-mentioned Dual-camera handset that the utility model embodiment provides uses,
The radius of curvature of the thing side of second lens is -40mm to -44mm, and the radius of curvature of image side surface is 16mm to 18mm, in
Heart thickness is 6.8mm to 7.5mm, and the optical glass material refractive index used is 1.85 to 1.91, and Abbe number is 30 to 38.
Preferably, in the increment auxiliary lens that the above-mentioned Dual-camera handset that the utility model embodiment provides uses,
The radius of curvature of the thing side of 3rd lens is 13mm to 14mm, and center thickness is 6.8mm to 7mm, the optics glass used
Glass Refractive Index of Material is 1.55 to 1.6, and Abbe number is 55 to 60.
Preferably, in the increment auxiliary lens that the above-mentioned Dual-camera handset that the utility model embodiment provides uses,
The radius of curvature of the thing side of 4th lens is 9.6mm to 10mm, and the radius of curvature of image side surface is -55mm to -58mm, in
Heart thickness is 6.5mm to 6.8mm, and the optical glass material refractive index used is 1.65 to 1.71, and Abbe number is 30 to 35.
Preferably, in the increment auxiliary lens that the above-mentioned Dual-camera handset that the utility model embodiment provides uses,
5th lens are double-sized non-spherical eyeglass, and the radius of curvature of thing side is 70mm to 75mm, and four term coefficients are 1.4e-
003 to 1.5e-003, six term coefficients are -1.8e-005 to -1.9e-005, and eight term coefficients are -8.5e-007 to -9e-
007, ten term coefficients are 8e-009 to 8.5e-009；The radius of curvature of image side surface is 10mm to 10.5mm, and four times term coefficient is
1.9e-003 to 2.3e-003, six term coefficients are 8.5e-005 to 9e-005, and eight term coefficients are -4e-006 to -4.5e-
006, ten term coefficients are 1.6e-007 to 2e-007, and center thickness is 0.8mm to 1mm, the optical glass material refraction used
Rate is 1.75 to 1.8, and Abbe number is 45 to 50.
Preferably, in the increment auxiliary lens that the above-mentioned Dual-camera handset that the utility model embodiment provides uses,
The ratio between the entrance pupil bore of the increment auxiliary lens and emergent pupil bore are 1/2.
The increment auxiliary lens that a kind of Dual-camera handset provided by the utility model uses, including：Along optical axis from
The first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens that thing side to image side is set gradually；First lens with
Second lens are bonded；3rd lens are bonded with the 4th lens；The thing side of first lens is convex surface, and image side surface is convex surface；Second
The thing side of lens is bonded with the image side surface of the first lens, and image side surface is concave surface；The thing side of 3rd lens is convex surface, image side surface
For concave surface；The thing side of 4th lens is bonded with the image side surface of the 3rd lens；The image side surface of 5th lens is concave surface；Second lens
Airspace between the 3rd lens is 0.15mm to 0.21mm；Airspace between 4th lens and the 5th lens is
0.28mm to 0.35mm.Above-mentioned increment auxiliary lens provided by the utility model by five chip optical textures and relevant parameter,
Central vision and peripheral field can be made to meet the limiting resolution of mobile phone camera, while can be corrected and distorted with emphasis,
Distortion is reduced to less than 2%, ratio chromatism, and chromatism of position can also be corrected, aberration substantially eliminates.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is the structural representation for the increment auxiliary lens that the Dual-camera handset that the utility model embodiment provides uses
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Wherein, the thickness of each structure and shape do not reflect the actual proportions of increment auxiliary lens in accompanying drawing, and purpose is simply shown
Meaning explanation the utility model content.
The utility model provides the increment auxiliary lens that a kind of Dual-camera handset uses, as shown in figure 1, including：
The first lens L1 for being set gradually along optical axis from thing side to image side, the second lens L2, the 3rd lens L3, the 4th
Lens L4 and the 5th lens L5；
First lens L1 is bonded with the second lens L2；3rd lens L3 is bonded with the 4th lens L4；
First lens L1 thing side is convex surface, and image side surface is convex surface；
Second lens L2 thing side is bonded with the image side surface of the first lens, and image side surface is concave surface；
3rd lens L3 thing side is convex surface, and image side surface is concave surface；
4th lens L4 thing side is bonded with the image side surface of the 3rd lens；
5th lens L5 image side surface is concave surface；
Airspace between second lens L2 and the 3rd lens L3 is 0.15mm to 0.21mm；
Airspace between 4th lens L4 and the 5th lens L5 is 0.28mm to 0.35mm.
In the increment auxiliary lens that the above-mentioned Dual-camera handset that the utility model embodiment provides uses, pass through five
Formula optical texture and relevant parameter, central vision and peripheral field can be made to meet the limiting resolution of mobile phone camera,
It can be corrected and distorted with emphasis simultaneously, distortion is reduced to less than 2%, ratio chromatism, and chromatism of position, aberration base can also be corrected
This elimination.
It should be noted that the increment auxiliary lens that the above-mentioned dual camera that the utility model provides in implementing uses, main
If for the individually designed 2X increment supplementary lenses of the camera that apple 7plus mobile phones mid-focal length is 6.6mm.Full filed MTF
Value of magnification 80 lines it is right/mm when, more than 0.5 can be reached.Light incide increment auxiliary lens incidence angle can be 11 ° ±
1.1 ° it is preferred that to be arranged to 0.2mm optimal the airspace between the second lens L2 and the 3rd lens L3；4th lens L4 and
It is optimal that airspace between five lens L5 is arranged to 0.3mm.
In the specific implementation, the increment additional mirror that the above-mentioned Dual-camera handset provided in the utility model embodiment uses
In head, as shown in figure 1, the radius of curvature of the first lens L1 thing side could be arranged to 18.2mm to 18.4mm, center thickness
0.9mm to 1.1mm is could be arranged to, the optical glass material refractive index used can be 1.6 to 1.65, and Abbe number can be 59
To 65.
The radius of curvature of above-mentioned first lens L1 thing side is arranged to that 18.396mm is optimal, and center thickness is arranged to 1mm
Most preferably.The optical glass material used could be arranged to H-ZRK1.
In the specific implementation, the increment additional mirror that the above-mentioned Dual-camera handset provided in the utility model embodiment uses
Head in, as shown in figure 1, the radius of curvature of the second lens L2 thing side (i.e. the first lens L1 image side surface) could be arranged to-
40mm to -44mm, the radius of curvature of image side surface could be arranged to 16mm to 18mm, and center thickness could be arranged to 6.8mm extremely
7.5mm, the optical glass material refractive index used can be 1.85 to 1.91, and Abbe number can be 30 to 38.
The radius of curvature of above-mentioned second lens L2 thing side (i.e. the first lens L1 image side surface) is arranged to -43.764mm
Most preferably, the radius of curvature of image side surface is arranged to that 17.287mm is optimal, and it is optimal that center thickness is arranged to 7mm.The optical glass used
Material could be arranged to H-ZLAF78B.
In the specific implementation, the increment additional mirror that the above-mentioned Dual-camera handset provided in the utility model embodiment uses
In head, as shown in figure 1, the radius of curvature of the 3rd lens L3 thing side could be arranged to 13mm to 14mm, center thickness can be with
6.8mm to 7mm is arranged to, the optical glass material refractive index used can be 1.55 to 1.6, and Abbe number can be 55 to 60.
The radius of curvature of above-mentioned 3rd lens L3 thing side is arranged to that 13.451mm is optimal, and center thickness is arranged to
It is 6.9mm optimal.The optical glass material used could be arranged to H-ZK2.
In the specific implementation, the increment additional mirror that the above-mentioned Dual-camera handset provided in the utility model embodiment uses
In head, as shown in figure 1, the radius of curvature of the 4th lens L4 thing side (i.e. the 3rd lens L3 image side surface) could be arranged to
9.6mm to 10mm, the radius of curvature of image side surface could be arranged to -55mm to -58mm, and center thickness could be arranged to 6.5mm extremely
6.8mm, the optical glass material refractive index used can be 1.65 to 1.71, and Abbe number can be 30 to 35.
The radius of curvature of above-mentioned 4th lens L4 thing side (i.e. the 3rd lens L3 image side surface) is arranged to 9.785mm most
Good, the radius of curvature of image side surface is arranged to that -55.55mm is optimal, and it is optimal that center thickness is arranged to 6.6mm.The optical glass used
Material could be arranged to H-ZF2.
In the specific implementation, the increment additional mirror that the above-mentioned Dual-camera handset provided in the utility model embodiment uses
In head, as shown in figure 1, the 5th lens L5 could be arranged to double-sized non-spherical eyeglass, the radius of curvature of thing side could be arranged to
70mm to 75mm, four term coefficients can be 1.4e-003 to 1.5e-003, six term coefficients can be -1.8e-005 to -
1.9e-005, eight times term coefficient can be -8.5e-007 to -9e-007, and ten term coefficients can be 8e-009 to 8.5e-009；
The radius of curvature of image side surface could be arranged to 10mm to 10.5mm, and four term coefficients can be 1.9e-003 to 2.3e-003, and six
Secondary term coefficient can be 8.5e-005 to 9e-005, and eight times term coefficients can be -4e-006 to -4.5e-006, ten term coefficients
Can be 1.6e-007 to 2e-007, center thickness could be arranged to 0.8mm to 1mm, the optical glass material refractive index used
Can be 1.75 to 1.8, Abbe number can be 45 to 50.
The radius of curvature of above-mentioned 5th lens L5 thing side is arranged to that 74.797mm is optimal, and four times term coefficient is
1.453e-003 is optimal, and six term coefficients are that -1.845e-005 is optimal, and eight term coefficients are that -8.684e-007 is optimal, ten times
Term coefficient is that 8.161e-009 is optimal, and the radius of curvature of image side surface is arranged to that 10.097mm is optimal, and four times term coefficient is
1.992e-003 is optimal, and six term coefficients are that 8.823e-005 is optimal, and eight term coefficients are that -4.076e-006 is optimal, ten items
Coefficient is that 1.72e-007 is optimal, and it is optimal that center thickness is arranged to 1mm.The optical glass material used could be arranged to D-
LAF050。
In the specific implementation, the increment additional mirror that the above-mentioned Dual-camera handset provided in the utility model embodiment uses
In head, the ratio between the entrance pupil bore of increment auxiliary lens and emergent pupil bore could be arranged to 1/2.
The increment auxiliary lens that a kind of Dual-camera handset that the utility model embodiment provides uses, including：Along light
The first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens that axle is set gradually from thing side to image side；First is saturating
Mirror is bonded with the second lens；3rd lens are bonded with the 4th lens；The thing side of first lens is convex surface, and image side surface is convex surface；
The thing side of second lens is bonded with the image side surface of the first lens, and image side surface is concave surface；The thing side of 3rd lens is convex surface, as
Side is concave surface；The thing side of 4th lens is bonded with the image side surface of the 3rd lens；The image side surface of 5th lens is concave surface；Second
Airspace between lens and the 3rd lens is 0.15mm to 0.21mm；Airspace between 4th lens and the 5th lens
For 0.28mm to 0.35mm.Above-mentioned increment auxiliary lens disclosed in the utility model passes through five chip optical textures and related ginseng
Number, central vision and peripheral field can be made to meet the limiting resolution of mobile phone camera, while can be corrected with emphasis abnormal
Become, distortion is reduced to less than 2%, ratio chromatism, and chromatism of position can also be corrected, aberration substantially eliminates.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
The increment auxiliary lens that Dual-camera handset provided by the utility model uses is described in detail above,
Specific case used herein is set forth to principle of the present utility model and embodiment, and the explanation of above example is only
It is to be used to help understand method and its core concept of the present utility model；Meanwhile for those of ordinary skill in the art, foundation
Thought of the present utility model, there will be changes in specific embodiments and applications, in summary, in this specification
Appearance should not be construed as to limitation of the present utility model.
Claims (7)
- A kind of 1. increment auxiliary lens that Dual-camera handset uses, it is characterised in that including：The first lens for being set gradually along optical axis from thing side to image side, the second lens, the 3rd lens, the 4th lens and the 5th are saturating Mirror；First lens are bonded with second lens；3rd lens are bonded with the 4th lens；The thing side of first lens is convex surface, and image side surface is convex surface；The thing side of second lens is bonded with the image side surface of first lens, and image side surface is concave surface；The thing side of 3rd lens is convex surface, and image side surface is concave surface；The thing side of 4th lens is bonded with the image side surface of the 3rd lens；The image side surface of 5th lens is concave surface；Airspace between second lens and the 3rd lens is 0.15mm to 0.21mm；Airspace between 4th lens and the 5th lens is 0.28mm to 0.35mm.
- 2. the increment auxiliary lens that Dual-camera handset according to claim 1 uses, it is characterised in that described first is saturating The radius of curvature of the thing side of mirror is 18.2mm to 18.4mm, and center thickness is 0.9mm to 1.1mm, the optical glass material used It is 1.6 to 1.65 to expect refractive index, and Abbe number is 59 to 65.
- 3. the increment auxiliary lens that Dual-camera handset according to claim 2 uses, it is characterised in that described second is saturating The radius of curvature of the thing side of mirror is -40mm to -44mm, and the radius of curvature of image side surface is 16mm to 18mm, and center thickness is 6.8mm to 7.5mm, the optical glass material refractive index used are 1.85 to 1.91, and Abbe number is 30 to 38.
- 4. the increment auxiliary lens that Dual-camera handset according to claim 3 uses, it is characterised in that the described 3rd is saturating The radius of curvature of the thing side of mirror is 13mm to 14mm, and center thickness is 6.8mm to 7mm, the optical glass material refraction used Rate is 1.55 to 1.6, and Abbe number is 55 to 60.
- 5. the increment auxiliary lens that Dual-camera handset according to claim 4 uses, it is characterised in that the described 4th is saturating The radius of curvature of the thing side of mirror is 9.6mm to 10mm, and the radius of curvature of image side surface is -55mm to -58mm, and center thickness is 6.5mm to 6.8mm, the optical glass material refractive index used are 1.65 to 1.71, and Abbe number is 30 to 35.
- 6. the increment auxiliary lens that Dual-camera handset according to claim 5 uses, it is characterised in that the described 5th is saturating Mirror is double-sized non-spherical eyeglass, and the radius of curvature of thing side is 70mm to 75mm, and four term coefficients are 1.4e-003 to 1.5e- 003, six term coefficients are -1.8e-005 to -1.9e-005, and eight term coefficients are -8.5e-007 to -9e-007, ten term systems Number is 8e-009 to 8.5e-009；The radius of curvature of image side surface is 10mm to 10.5mm, four term coefficients be 1.9e-003 extremely 2.3e-003, six term coefficients are 8.5e-005 to 9e-005, and eight term coefficients are -4e-006 to -4.5e-006, ten term systems Number is 1.6e-007 to 2e-007, and center thickness is 0.8mm to 1mm, the optical glass material refractive index used be 1.75 to 1.8, Abbe number is 45 to 50.
- 7. the increment auxiliary lens that the Dual-camera handset according to any one of claim 1 to 6 uses, it is characterised in that The ratio between the entrance pupil bore of the increment auxiliary lens and emergent pupil bore are 1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895687.9U CN207114858U (en) | 2017-07-21 | 2017-07-21 | The increment auxiliary lens that a kind of Dual-camera handset uses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895687.9U CN207114858U (en) | 2017-07-21 | 2017-07-21 | The increment auxiliary lens that a kind of Dual-camera handset uses |
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| Publication Number | Publication Date |
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| CN207114858U true CN207114858U (en) | 2018-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115061267A (en) * | 2022-08-19 | 2022-09-16 | 苏州若言光学有限公司 | Optical system for connecting different frames |
-
2017
- 2017-07-21 CN CN201720895687.9U patent/CN207114858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115061267A (en) * | 2022-08-19 | 2022-09-16 | 苏州若言光学有限公司 | Optical system for connecting different frames |
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