CN207114864U - The increment auxiliary lens that a kind of single camera mobile phone uses - Google Patents
The increment auxiliary lens that a kind of single camera mobile phone uses Download PDFInfo
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- CN207114864U CN207114864U CN201720895686.4U CN201720895686U CN207114864U CN 207114864 U CN207114864 U CN 207114864U CN 201720895686 U CN201720895686 U CN 201720895686U CN 207114864 U CN207114864 U CN 207114864U
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Abstract
This application discloses the increment auxiliary lens that a kind of single camera mobile phone 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 0.25mm to 0.4mm；Airspace between 4th lens and the 5th lens is 0.15mm to 0.2mm.Above-mentioned increment auxiliary lens disclosed in the present application passes through five chip optical textures and relevant parameter, increase the focal length of mobile phone camera, subject is amplified with this, 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 single camera mobile phone.
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.
Common increment auxiliary lens existing for market is two-piece type or three-chip type optical texture at present, simple in construction, into
As poor, only central vision resolution ratio disclosure satisfy that the requirement of mobile phone, and peripheral field can not meet mobile phone camera
Requirement, in addition, also having distortion and the aberration such as aberration, influence image quality.
Therefore, the image quality of mobile phone increment auxiliary lens how is improved, is those skilled in the art's skill urgently to be resolved hurrily
Art problem.
Utility model content
In view of this, the purpose of this utility model is to provide the increment auxiliary lens that a kind of single camera mobile phone 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 single camera mobile phone 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 convex surface；
The thing side of 4th lens is bonded with the image side surface of the 3rd lens, and image side surface is convex surface；
The image side surface of 5th lens is concave surface；
Airspace between second lens and the 3rd lens is 0.25mm to 0.4mm；
Airspace between 4th lens and the 5th lens is 0.15mm to 0.2mm.
Preferably, in the increment auxiliary lens that the above-mentioned single camera mobile phone that the utility model embodiment provides uses,
The radius of curvature of the thing side of first lens is 17mm to 19mm, and center thickness is 12mm to 13.5mm, the optics used
Glass materials refractive index is 1.5 to 1.6, and Abbe number is 59 to 65.
Preferably, in the increment auxiliary lens that the above-mentioned single camera mobile phone that the utility model embodiment provides uses,
The radius of curvature of the thing side of second lens is -31mm to -36mm, and the radius of curvature of image side surface is 20mm to 25mm, in
Heart thickness is 3mm to 4mm, and the optical glass material refractive index used is 1.8 to 1.86, and Abbe number is 40 to 48.
Preferably, in the increment auxiliary lens that the above-mentioned single camera mobile phone that the utility model embodiment provides uses,
The radius of curvature of the thing side of 3rd lens is 12.5mm to 13mm, and center thickness is 6.9mm to 7.5mm, the light used
It is 1.5 to 1.56 to learn glass materials refractive index, Abbe number 55-65.
Preferably, in the increment auxiliary lens that the above-mentioned single camera mobile phone that the utility model embodiment provides uses,
The radius of curvature of the thing side of 4th lens is -38mm to -42mm, and the radius of curvature of image side surface is -35mm to -38mm,
Center thickness is 4mm to 4.6mm, and the optical glass material refractive index used is 1.9 to 1.94, and Abbe number is 18 to 25.
Preferably, in the increment auxiliary lens that the above-mentioned single camera mobile phone 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, eight term coefficients are -8.5e-007 extremely -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 single camera mobile phone 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 single camera mobile phone 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 convex surface；The thing side of 4th lens is bonded with the image side surface of the 3rd lens, and image side surface is convex surface；The image side surface of 5th lens is
Concave surface；Airspace between second lens and the 3rd lens is 0.25mm to 0.4mm；Between 4th lens and the 5th lens
Airspace is 0.15mm to 0.2mm.Above-mentioned increment auxiliary lens disclosed in the present application passes through five chip optical textures and correlation
Parameter, increase the focal length of mobile phone camera, subject is amplified with this, central vision and the peripheral field can be expired
The limiting resolution of sufficient mobile phone single camera, while can be corrected and distorted with emphasis, distortion is reduced to less than 2%, can also be rectified
Positive ratio chromatism, and chromatism of position, aberration substantially eliminate.
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 single camera mobile phone 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 single camera mobile phone 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 convex surface；
4th lens L4 thing side is bonded with the image side surface of the 3rd lens, and image side surface is convex surface；
5th lens L5 image side surface is concave surface；
Airspace between second lens L2 and the 3rd lens L3 is 0.25mm to 0.4mm；
Airspace between 4th lens L4 and the 5th lens L5 is 0.15mm to 0.2mm.
In the increment auxiliary lens that the above-mentioned single camera mobile phone that the utility model embodiment provides uses, pass through five
Formula optical texture and relevant parameter, increase the focal length of mobile phone camera, subject is amplified with this, can make central vision
The limiting resolution of mobile phone single camera can be met with peripheral field, 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.
It should be noted that the increment auxiliary lens that the above-mentioned single camera that the utility model provides in implementing uses, main
If it is the individually designed increment supplementary lens of 3.99mm camera for existing single camera mobile phone mid-focal length, specifically again
Rate could be arranged to 2 times.Full filed MTF values of magnification 80 lines it is right/mm when, more than 0.5 can be reached.Light incides increment
The incidence angle of auxiliary lens can be 21 ° ± 2.1 °.It is preferred that the airspace between the second lens L2 and the 3rd lens L3 is set
It is optimal to be set to 0.3mm；It is optimal that airspace between 4th lens L4 and the 5th lens L5 is arranged to 0.18mm.
In the specific implementation, the increment additional mirror that the above-mentioned single camera mobile phone 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 17mm to 19mm, center thickness can be with
12mm to 13.5mm is arranged to, the optical glass material refractive index used can be 1.5 to 1.6, and Abbe number can be 59 to 65.
The radius of curvature of above-mentioned first lens L1 thing side is arranged to that 17.868mm is optimal, and center thickness is arranged to
12.5mm is optimal.The optical glass material used could be arranged to H-Bak2.
In the specific implementation, the increment additional mirror that the above-mentioned single camera mobile phone 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-
31mm to -36mm, the radius of curvature of image side surface could be arranged to 20mm to 25mm, and center thickness could be arranged to 3mm to 4mm,
The optical glass material refractive index used can be 1.8 to 1.86, and Abbe number can be 40 to 48.
The radius of curvature of above-mentioned second lens L2 thing side (i.e. the first lens L1 image side surface) is arranged to -32.151mm
Most preferably, the radius of curvature of image side surface is arranged to that 20.729mm is optimal, and it is optimal that center thickness is arranged to 3.7mm.The optics glass used
Glass material could be arranged to H-ZLAF69.
In the specific implementation, the increment additional mirror that the above-mentioned single camera mobile phone 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 12.5mm to 13mm, center thickness can
To be arranged to 6.9mm to 7.5mm, the optical glass material refractive index used can be 1.5 to 1.56, and Abbe number can be 55-
65。
The radius of curvature of above-mentioned 3rd lens L3 thing side is arranged to that 12.506mm is optimal, and center thickness is arranged to 7mm
Most preferably.The optical glass material used could be arranged to H-K12.
In the specific implementation, the increment additional mirror that the above-mentioned single camera mobile phone provided in the utility model embodiment uses
Head in, 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-
38mm to -42mm, the radius of curvature of image side surface could be arranged to -35mm to -38mm, and center thickness could be arranged to 4mm extremely
4.6mm, the optical glass material refractive index used can be 1.9 to 1.94, and Abbe number can be 18 to 25.
The radius of curvature of above-mentioned 4th lens L4 thing side (i.e. the 3rd lens L3 image side surface) is arranged to -40.938mm
Most preferably, it is optimal to be arranged to -36.349mm for the radius of curvature of image side surface, and center thickness sets 4.25mm optimal.The optics glass used
Glass material could be arranged to H-ZF72A.
In the specific implementation, the increment additional mirror that the above-mentioned single camera mobile phone 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；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 single camera mobile phone 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 single camera mobile phone 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 convex surface；The thing side of 4th lens is bonded with the image side surface of the 3rd lens, and image side surface is convex surface；The image side of 5th lens
Face is concave surface；Airspace between second lens and the 3rd lens is 0.25mm to 0.4mm；4th lens and the 5th lens it
Between airspace be 0.15mm to 0.2mm.Above-mentioned increment auxiliary lens disclosed in the present application by five chip optical textures and
Relevant parameter, increase the focal length of mobile phone camera, subject is amplified with this, central vision and peripheral field can be made all
The limiting resolution of mobile phone single camera can be met, while can be corrected and distorted with emphasis, distortion is reduced to less than 2%, may be used also
To correct ratio chromatism, and chromatism of position, 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 used above single camera mobile phone provided by the utility model is described in detail,
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 single camera mobile phone 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 convex surface；The thing side of 4th lens is bonded with the image side surface of the 3rd lens, and image side surface is convex surface；The image side surface of 5th lens is concave surface；Airspace between second lens and the 3rd lens is 0.25mm to 0.4mm；Airspace between 4th lens and the 5th lens is 0.15mm to 0.2mm.
- 2. the increment auxiliary lens that single camera mobile phone 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 17mm to 19mm, and center thickness is 12mm to 13.5mm, the optical glass material folding used It is 1.5 to 1.6 to penetrate rate, and Abbe number is 59 to 65.
- 3. the increment auxiliary lens that single camera mobile phone 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 -31mm to -36mm, and the radius of curvature of image side surface is 20mm to 25mm, center thickness 3mm To 4mm, the optical glass material refractive index used is 1.8 to 1.86, and Abbe number is 40 to 48.
- 4. the increment auxiliary lens that single camera mobile phone 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 12.5mm to 13mm, and center thickness is 6.9mm to 7.5mm, the optical glass material used Refractive index is 1.5 to 1.56, Abbe number 55-65.
- 5. the increment auxiliary lens that single camera mobile phone 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 -38mm to -42mm, and the radius of curvature of image side surface is -35mm to -38mm, and center thickness is 4mm to 4.6mm, the optical glass material refractive index used are 1.9 to 1.94, and Abbe number is 18 to 25.
- 6. the increment auxiliary lens that single camera mobile phone 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 single camera mobile phone 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720895686.4U CN207114864U (en) | 2017-07-21 | 2017-07-21 | The increment auxiliary lens that a kind of single camera mobile phone uses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895686.4U CN207114864U (en) | 2017-07-21 | 2017-07-21 | The increment auxiliary lens that a kind of single camera mobile phone uses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305350A (en) * | 2021-12-16 | 2022-04-12 | 上海掌门科技有限公司 | Pulse feeling equipment and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305350A (en) * | 2021-12-16 | 2022-04-12 | 上海掌门科技有限公司 | Pulse feeling equipment and method |
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