CN204719316U - Optical lens and apply the electronic equipment of this optical lens - Google Patents
Optical lens and apply the electronic equipment of this optical lens Download PDFInfo
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- CN204719316U CN204719316U CN201520412363.6U CN201520412363U CN204719316U CN 204719316 U CN204719316 U CN 204719316U CN 201520412363 U CN201520412363 U CN 201520412363U CN 204719316 U CN204719316 U CN 204719316U
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- lens
- dazzling screen
- buckling parts
- optical
- optic portion
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Abstract
The utility model provides a kind of optical lens and applies the electronic equipment of this optical lens, comprises lens barrel and is set in turn at least two lens in described lens barrel; Described lens comprise opticator and are positioned at the non-optic portion of described opticator surrounding; The non-optic portion of described lens at least side has buckling parts, and the buckling parts of adjacent two described lens closely fastens.Because the dimensional accuracy of lens is far above camera lens, therefore, the fastening between scioptics can improve the precision of optical lens, reduces the deviation between each component optical center in optical center of lens and lens barrel and lens barrel, improves the image quality of optical lens.
Description
Technical field
The utility model relates to imaging device technical field, more particularly, relates to a kind of optical lens and applies the electronic equipment of this optical lens.
Background technology
At present, smart mobile phone has become one of main tool of people's photography, and along with the fast development of smart mobile phone industry, the quality requirements of people to the image of smart mobile phone lens shooting is also more and more higher.Quality due to mobile lens image quality depends on the precision of eyeglass and lens barrel structure in optical lens to a great extent, and therefore, the precision how improving optical lens has become one of current research problem demanding prompt solution.
Existing optical lens is all that wherein said optical module comprises one or more lens using lens barrel as carrier to carry the stacked structure that each optical module is formed.But, assembling due to each optical module all depends on the internal diameter of lens barrel, and under the restriction of board and mould etc., the precision of lens barrel is not high, therefore, the deviation between the optical centre of each parts in the optical centre of eyeglass and the lens barrel of optical lens and lens barrel can be caused comparatively large, and then the image causing optical lens to be taken is second-rate, can not meet the requirement that people take high-quality image.
Utility model content
In view of this, the utility model provides a kind of optical lens and applies the electronic equipment of this optical lens, to solve the problem that existing lens barrel precision is low, greatly eccentric and image quality is poor.
For achieving the above object, the utility model provides following technical scheme:
A kind of optical lens, comprises lens barrel and is set in turn at least two lens in described lens barrel;
Described lens comprise opticator and are positioned at the non-optic portion of described opticator surrounding;
The non-optic portion of described lens at least side has buckling parts, and the buckling parts of adjacent two described lens closely fastens.
Preferably, described at least two lens comprise the first lens be set in turn in from the object side to image side in described lens barrel, the second lens and the 3rd lens;
The non-optic portion of the side that described first lens are relative with described second lens has the first buckling parts;
The non-optic portion of the side that described second lens are relative with described first lens has the second buckling parts, and described second buckling parts and described first buckling parts closely fasten;
The non-optic portion of the side that described second lens are relative with described 3rd lens has the 3rd buckling parts;
The non-optic portion of the side that described 3rd lens are relative with described second lens has the 4th buckling parts, and described 4th buckling parts and described 3rd buckling parts closely fasten.
Preferably, described optical lens meets following relational expression:
0°≤θ
1≤10°；0°≤θ
2≤10°；
0.05mm≤S
1≤0.1mm；0.05mm≤S
2≤0.1mm；
Described θ
1refer to the fastening angle between described first lens and described second lens;
Described θ
2refer to the fastening angle between described second lens and described 3rd lens;
Described S
1refer to the contact distance of the buckling surface of described first buckling parts and described second buckling parts;
Described S
2refer to the contact distance of the buckling surface of described 3rd buckling parts and described 4th buckling parts.
Preferably, described first lens and described lens barrel interference fit, described second lens and described lens barrel clearance fit, described 3rd lens and described lens barrel interference fit, and described first lens, the second lens, between the 3rd lens and described lens barrel, meet following relational expression:
0≤Τ
1≤0.01mm；0.01mm≤Τ
2≤0.03mm；0≤Τ
3≤0.01mm；
Described Τ
1refer to the difference of the external diameter of described first lens and the first lens gear internal diameter of described lens barrel;
Described Τ
2refer to the difference of the second lens gear internal diameter of described lens barrel and the external diameter of described second lens;
Described Τ
3refer to the difference of the external diameter of described 3rd lens and the 3rd lens gear internal diameter of described lens barrel.
Preferably, have anti-dazzling screen between two adjacent described lens, the inner side of described anti-dazzling screen is hypotenuse structure;
On the bearing of trend of described optical lens optical centreline, the projection of described anti-dazzling screen and the projection of described lens non-optic portion overlapping, but with the projection of the buckling parts of described non-optic portion without overlapping.
Preferably, the anti-dazzling screen between described first lens and described second lens is the first anti-dazzling screen, and described first anti-dazzling screen coordinates with described second lens gap;
Anti-dazzling screen between described second lens and described 3rd lens is the second anti-dazzling screen, and described second anti-dazzling screen coordinates with described 3rd lens gap;
Described first anti-dazzling screen and described second anti-dazzling screen meet following relational expression:
a≥Φ2.5mm；b≥0.022mm；0≤Τ
12≤0.01mm；0≤Τ
23≤0.01mm；
Described a refers to the external diameter of described first anti-dazzling screen and the second anti-dazzling screen;
Described b refers to the thickness of described first anti-dazzling screen and the second anti-dazzling screen;
Described Τ
12refer to the distance between described first anti-dazzling screen gear and described second lens;
Described Τ
23refer to the distance between described second anti-dazzling screen gear and described 3rd lens.
Preferably, the material of described lens barrel is polycarbonate; The material of described anti-dazzling screen is KIMOTO.
Preferably, between described 3rd lens and the bottom surface of described lens barrel, there is stop member; On the bearing of trend of described optical lens optical centreline, the projection of described stop member and the projection of described 3rd lens non-optic portion overlapping.
Preferably, the non-optic portion of described lens is all through atomization process; The opticator of described lens all has anti-reflection film.
A kind of electronic equipment, comprises the optical lens as above described in any one.
Compared with prior art, technical scheme provided by the utility model has the following advantages:
Optical lens provided by the utility model and apply the electronic equipment of this optical lens, the non-optic portion of at least side of lens has buckling parts, and the buckling parts of adjacent two lens closely fastens, because the dimensional accuracy of lens is far above camera lens, therefore, fastening between scioptics can improve the precision of optical lens, reduces the deviation between each component optical center in optical center of lens and lens barrel and lens barrel, improves the image quality of optical lens.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of a kind of optical lens that Fig. 1 provides for an embodiment of the present utility model;
Fig. 2 is the structural representation of the first lens in the optical lens shown in Fig. 1;
Fig. 3 is the structural representation of the second lens in the optical lens shown in Fig. 1;
Fig. 4 is the structural representation of the 3rd lens in the optical lens shown in Fig. 1;
The partial enlargement structural drawing that Fig. 5 is the optical lens shown in Fig. 1;
Fig. 6 is the structural representation of anti-dazzling screen in the optical lens shown in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
An embodiment of the present utility model provides a kind of optical lens, and this optical lens can be applied to the electronic equipment that mobile phone, digital camera and notebook computer etc. can carry out video or image acquisition.
The optical lens that the present embodiment provides comprises lens barrel and is set in turn at least two lens in lens barrel, described lens comprise opticator and are positioned at the non-optic portion of opticator surrounding, the non-optic portion of at least side of lens has buckling parts, and the buckling parts of adjacent two lens closely fastens, to improve the precision of optical lens, reduce the deviation between optical center of lens and optical lens optical centre, improve the quality of the image of optical lens shooting.
The first lens, the second lens and the 3rd lens that set gradually from the object side to image side are comprised below for described at least two lens, the optical lens that the utility model provides is explained, certainly, the utility model is not limited in this, two lens can be set in lens barrel in other embodiments, the lens of four and above number also can be set.
With reference to figure 1, optical lens comprises lens barrel 4, is set in turn in the first lens 1, second lens 2 in lens barrel 4 and the 3rd lens 3 from the object side to image side, and wherein, the first lens 1, second lens 2 and the 3rd lens 3 include opticator and non-optic portion.Because optical lens is as shown in Figure 1 when imaging, imaging surface is positioned at the right side of optical lens, therefore, be set in turn in the first lens in lens barrel, the second lens and the 3rd lens from the object side to image side and also can be expressed as to turn right from left side the first lens be set in turn in lens barrel, the second lens and the 3rd lens.
Preferably, the material of lens barrel 4 is PC (Polycarbonate, polycarbonate), because PC has good toughness, therefore, be more conducive to the cooperation improving lens barrel 4 internal diameter shelves, and the cost of PC is also lower, can reduce the cost of optical lens.The material of the first lens 1, second lens 2 and the 3rd lens 3 can be optics plastic cement or optical glass, and the utility model does not limit this.
With reference to figure 1 ~ Fig. 4, the non-optic portion of the side that the first lens 1 are relative with the second lens 2 has the first buckling parts 41, the non-optic portion of the side that the second lens 2 are relative with the first lens 1 has the second buckling parts 42, second buckling parts 42 and the first buckling parts 41 is closely fastened by surface 12 and 21; The non-optic portion of the side that the second lens 2 are relative with the 3rd lens 3 has the 3rd buckling parts 43, the non-optic portion of the side that the 3rd lens 3 are relative with the second lens 2 has the 4th buckling parts the 44, four buckling parts 44 and the 3rd buckling parts 43 is closely fastened by surface 22 and 31.
Wherein, first buckling parts 41, second buckling parts 42, the 3rd buckling parts 43 and the 4th buckling parts 44 are the projection extended outside lens, this projection is continuous print annulus, certain the utility model does not limit the concrete shape of projection, as long as it can realize being fastened between lens.Preferably, the surface of the second buckling parts 42 and the 4th buckling parts 44 is rough surface, increases the friction force between optics (as anti-dazzling screen) and lens, and then play the effect of fixed optics parts with this.
Wherein, the buckling surface 120 that the first buckling parts 41 contacts with the second buckling parts 42 is the surface tilted, so that the installation of the first lens 1 and the second lens 2, and the angle between buckling surface 120 and surface level is θ
1, the surface of the buckling surface 121 that the second buckling parts 42 contacts with the first buckling parts 41 also for tilting, and the angle between buckling surface 121 and surface level is also θ
1, closely fasten with the buckling surface 121 of the buckling surface 120 and the second buckling parts 42 that make the first buckling parts 41, wherein, θ
1be the fastening angle between the first lens 1 and the second lens 2.
Equally, the buckling surface 310 that 3rd buckling parts 43 contacts with the 4th buckling parts 44 and the buckling surface 311 that the 4th buckling parts 44 contacts with the 3rd buckling parts 43 are the surface of inclination, so that the installation of the second lens 2 and the 3rd lens 3, and the angle between buckling surface 310 and surface level is θ
2, the angle between buckling surface 311 and surface level is also θ
2, to make the 3rd buckling parts 43 and the 4th buckling parts 44 closely fasten, wherein, θ
2it is the fastening angle between the second lens 2 and the 3rd lens 3.
With reference to figure 2 ~ Fig. 5, in order to ensure the precision of optical lens, described optical lens need meet following relational expression:
0°≤θ
1≤10°；0°≤θ
2≤10°；
0.05mm≤S
1≤0.1mm；0.05mm≤S
2≤0.1mm；
Described θ
1refer to the fastening angle between the first lens 1 and the second lens 2;
Described θ
2refer to the fastening angle between the second lens 2 and the 3rd lens 3;
Described S
1refer to the contact distance of the buckling surface of the first buckling parts 41 and the second buckling parts 42;
Described S
2refer to the contact distance of the buckling surface of the 3rd buckling parts 43 and the 4th buckling parts 44.
With reference to figure 1, in the optical lens that the present embodiment provides, first lens 1 and lens barrel 4 interference fit, second lens 2 and lens barrel 4 clearance fit, 3rd lens 3 and lens barrel 4 interference fit, being understandable that, in order to ensure the performance of optical lens further, described first lens 1, second lens 2, between the 3rd lens 3 and lens barrel 4, meeting following relational expression:
0≤Τ
1≤0.01mm；0.01mm≤Τ
2≤0.03mm；0≤Τ
3≤0.01mm；
Described Τ
1refer to the difference of the external diameter of the first lens 1 and the first lens gear internal diameter of lens barrel 4;
Described Τ
2refer to the difference of the second lens gear internal diameter of lens barrel 4 and the external diameter of the second lens 2;
Described Τ
3refer to the difference of the external diameter of the 3rd lens 3 and the 3rd lens gear internal diameter of lens barrel 4.
With reference to figure 1 and Fig. 6, in the optical lens that the present embodiment provides, have anti-dazzling screen between two adjacent lens, the inner side of described anti-dazzling screen is hypotenuse structure; On the bearing of trend of optical lens optical centreline (in Fig. 1 dotted line), the projection of described anti-dazzling screen and the projection of described lens non-optic portion overlapping, but with the projection of the buckling parts of described non-optic portion without overlapping, based on this, anti-dazzling screen does not impact the gap between lens, namely can not affect the tight fastening between lens, thus substantially increase the assembling yield of optical lens.
In addition, have circular stop part 7 between the 3rd lens 3 and the bottom surface of lens barrel 4, this stop part 7 plays the effect fixing the 3rd lens 3 and lens barrel 4.Further, on the bearing of trend of lens barrel module optical centreline, the projection of stop part 7 and the projection of the 3rd lens 3 non-optic portion overlapping, with the transmittance avoiding stop part 7 to affect optical lens.
With reference to figure 1, the anti-dazzling screen between the first lens 1 and the second lens 2 is the anti-dazzling screen between the first anti-dazzling screen 5, second lens 2 and the 3rd lens 3 is the second anti-dazzling screen 6.With reference to figure 6, the inner side of the first anti-dazzling screen 5 and the second anti-dazzling screen 6 is inclined surface, and the angle between this inclined surface and surface level is preferably 45 °.In addition, the first anti-dazzling screen 5 and the second lens 2 clearance fit, the second anti-dazzling screen 6 and the 3rd lens 3 clearance fit.Further, with reference to figure 5 and Fig. 6, the first anti-dazzling screen 5 and the second anti-dazzling screen 6 meet following relational expression:
a≥Φ2.5mm；b≥0.022mm；0≤Τ
12≤0.01mm；0≤Τ
23≤0.01mm；
Described a refers to the external diameter of the first anti-dazzling screen 5 and the second anti-dazzling screen 6;
Described b refers to the thickness of the first anti-dazzling screen 5 and the second anti-dazzling screen 6;
Described Τ
12refer to the distance between the first anti-dazzling screen gear and the second lens 2;
Described Τ
23refer to the distance between the second anti-dazzling screen gear and the 3rd lens 3.
Further, the material of anti-dazzling screen is preferably KIMOTO, because this material has good light-proofness and light absorptive, therefore, adopts anti-dazzling screen effectively can improve the problem of veiling glare.Further, in order to reduce veiling glare further, can do atomization process to the non-optic portion of the lens in lens barrel 4, namely the non-optic portion of the first lens 1, second lens 2 and the 3rd lens 3 all have passed through atomization process.
In addition, can also at the opticator plating anti-reflection film of lens, namely anti-reflection film is all plated in the two sides of the opticator of the first lens 1, second lens 2 and the 3rd lens 3, and the material of this anti-reflection film can be Ti
3o
5or SiO
2, the specification requirement of this anti-reflection film is: be under the irradiation of 410nm ~ 460nm light at wave band, reflectivity R≤0.5% of anti-reflection film; Be under the irradiation of the light of 465nm ~ 660nm at wave band, reflectivity R≤0.8% of anti-reflection film; Color requires as green or close green.
Be understandable that, be directed to optical lens disclosed in above-described embodiment, another embodiment of the present utility model also discloses a kind of electronic equipment of this optical lens of application, and described electronic equipment can comprise optical lens disclosed in the above-mentioned any embodiment of the application.Concrete, disclosed herein as well is a kind of photographic equipment applying described optical lens, described photographic equipment can be specially the electronic equipment that mobile phone and notebook computer etc. can carry out video or image acquisition.
In the optical lens of the electronic equipment that the present embodiment provides, the non-optic portion of at least side of lens has buckling parts, and the buckling parts of adjacent two lens closely fastens, because the dimensional accuracy of lens is far above camera lens, therefore, fastening between scioptics can improve the precision of optical lens, reduces the deviation between each component optical center in optical center of lens and lens barrel and lens barrel, improves the image quality of electronic equipment.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an optical lens, is characterized in that, comprises lens barrel and is set in turn at least two lens in described lens barrel;
Described lens comprise opticator and are positioned at the non-optic portion of described opticator surrounding;
The non-optic portion of described lens at least side has buckling parts, and the buckling parts of adjacent two described lens closely fastens.
2. optical lens according to claim 1, is characterized in that, described at least two lens comprise the first lens be set in turn in from the object side to image side in described lens barrel, the second lens and the 3rd lens;
The non-optic portion of the side that described first lens are relative with described second lens has the first buckling parts;
The non-optic portion of the side that described second lens are relative with described first lens has the second buckling parts, and described second buckling parts and described first buckling parts closely fasten;
The non-optic portion of the side that described second lens are relative with described 3rd lens has the 3rd buckling parts;
The non-optic portion of the side that described 3rd lens are relative with described second lens has the 4th buckling parts, and described 4th buckling parts and described 3rd buckling parts closely fasten.
3. optical lens according to claim 2, is characterized in that, described optical lens meets following relational expression:
0°≤θ
1≤10°；0°≤θ
2≤10°；
0.05mm≤S
1≤0.1mm；0.05mm≤S
2≤0.1mm；
Described θ
1refer to the fastening angle between described first lens and described second lens;
Described θ
2refer to the fastening angle between described second lens and described 3rd lens;
Described S
1refer to the contact distance of the buckling surface of described first buckling parts and described second buckling parts;
Described S
2refer to the contact distance of the buckling surface of described 3rd buckling parts and described 4th buckling parts.
4. optical lens according to claim 2, it is characterized in that, described first lens and described lens barrel interference fit, described second lens and described lens barrel clearance fit, described 3rd lens and described lens barrel interference fit, and described first lens, the second lens, between the 3rd lens and described lens barrel, meet following relational expression:
0≤Τ
1≤0.01mm；0.01mm≤Τ
2≤0.03mm；0≤Τ
3≤0.01mm；
Described Τ
1refer to the difference of the external diameter of described first lens and the first lens gear internal diameter of described lens barrel;
Described Τ
2refer to the difference of the second lens gear internal diameter of described lens barrel and the external diameter of described second lens;
Described Τ
3refer to the difference of the external diameter of described 3rd lens and the 3rd lens gear internal diameter of described lens barrel.
5. optical lens according to claim 2, is characterized in that, has anti-dazzling screen between two adjacent described lens, and the inner side of described anti-dazzling screen is hypotenuse structure;
On the bearing of trend of described optical lens optical centreline, the projection of described anti-dazzling screen and the projection of described lens non-optic portion overlapping, but with the projection of the buckling parts of described non-optic portion without overlapping.
6. optical lens according to claim 5, is characterized in that, the anti-dazzling screen between described first lens and described second lens is the first anti-dazzling screen, and described first anti-dazzling screen coordinates with described second lens gap;
Anti-dazzling screen between described second lens and described 3rd lens is the second anti-dazzling screen, and described second anti-dazzling screen coordinates with described 3rd lens gap;
Described first anti-dazzling screen and described second anti-dazzling screen meet following relational expression:
a≥Φ2.5mm；b≥0.022mm；0≤Τ
12≤0.01mm；0≤Τ
23≤0.01mm；
Described a refers to the external diameter of described first anti-dazzling screen and the second anti-dazzling screen;
Described b refers to the thickness of described first anti-dazzling screen and the second anti-dazzling screen;
Described Τ
12refer to the distance between described first anti-dazzling screen gear and described second lens;
Described Τ
23refer to the distance between described second anti-dazzling screen gear and described 3rd lens.
7. optical lens according to claim 6, is characterized in that, the material of described lens barrel is polycarbonate; The material of described anti-dazzling screen is KIMOTO.
8. optical lens according to claim 2, is characterized in that, has stop member between described 3rd lens and the bottom surface of described lens barrel; On the bearing of trend of described optical lens optical centreline, the projection of described stop member and the projection of described 3rd lens non-optic portion overlapping.
9. optical lens according to claim 2, is characterized in that, the non-optic portion of described lens is all through atomization process; The opticator of described lens all has anti-reflection film.
10. an electronic equipment, is characterized in that, comprises the optical lens described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412363.6U CN204719316U (en) | 2015-06-15 | 2015-06-15 | Optical lens and apply the electronic equipment of this optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412363.6U CN204719316U (en) | 2015-06-15 | 2015-06-15 | Optical lens and apply the electronic equipment of this optical lens |
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| Publication Number | Publication Date |
|---|---|
| CN204719316U true CN204719316U (en) | 2015-10-21 |
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ID=54318295
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|---|---|---|---|
| CN201520412363.6U Active CN204719316U (en) | 2015-06-15 | 2015-06-15 | Optical lens and apply the electronic equipment of this optical lens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865680A (en) * | 2015-06-15 | 2015-08-26 | 广东旭业光电科技股份有限公司 | Optical shot and electronic equipment applying same |
| CN113296217A (en) * | 2021-06-02 | 2021-08-24 | 浙江舜宇光学有限公司 | Imaging lens |
-
2015
- 2015-06-15 CN CN201520412363.6U patent/CN204719316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865680A (en) * | 2015-06-15 | 2015-08-26 | 广东旭业光电科技股份有限公司 | Optical shot and electronic equipment applying same |
| CN113296217A (en) * | 2021-06-02 | 2021-08-24 | 浙江舜宇光学有限公司 | Imaging lens |
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