CN115128776A - Wide-angle low-distortion optical lens - Google Patents
Wide-angle low-distortion optical lens Download PDFInfo
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- CN115128776A CN115128776A CN202210925820.6A CN202210925820A CN115128776A CN 115128776 A CN115128776 A CN 115128776A CN 202210925820 A CN202210925820 A CN 202210925820A CN 115128776 A CN115128776 A CN 115128776A
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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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
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- 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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- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
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- 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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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Abstract
The invention discloses a wide-angle low-distortion optical lens, and belongs to the technical field of wide-angle lenses. The wide-angle low-distortion optical lens comprises a wide-angle lens, wherein the wide-angle lens comprises a lens cone main body, and one end of the lens cone main body is provided with a protective eyepiece. In order to solve the problem that most of barrel distortion generated by the existing wide-angle lens during picture shooting is corrected in a software compensation mode, the correction mode excessively depends on an algorithm, once the lens is updated, the algorithm needs to be updated, and the investment and production cost is relatively high, the light data is firstly divided and cut through the design structure of the second plano-concave lens, the light around the displayed picture is divided, and the annular correcting lens is used for secondary correction, so that the abnormal situation around the picture can be avoided.
Description
Technical Field
The invention relates to the technical field of wide-angle lenses, in particular to a wide-angle low-distortion optical lens.
Background
The wide-angle lens is also called as a short lens. One kind of auxiliary lens for photography, the modern wide-angle lens optical group mainly has two forms of symmetrical structure and back focus structure, the symmetrical wide-angle lens can be divided into two auxiliary types of positive outer lens and negative outer lens; the wide-angle lens is widely used for shooting large-scene landscape photographic works; the spatial depth sense of a photographic picture can be increased, the depth of field is longer, and the scene before and after a subject can be clearly reproduced on the picture; the wide-angle lens has a large coverage area, the range of the shot scenery is wide, the scenery shot at the same shooting distance is smaller than the image of the scenery shot by using a standard lens in the picture, and the wide-angle lens brings barrel-shaped distortion while obtaining a wide field of view and a special shooting effect; barrel distortion does not affect imaging definition, but affects imaging position accuracy, which brings errors to image analysis and image measurement, even misjudgment; the barrel distortion brought to the visual system by the wide-angle lens is nonlinear, the deformation is small at the center of the image, and the deformation is larger as the distance from the center of the image is larger.
The barrel distortion generated by the existing wide-angle lens during picture shooting is mostly corrected by adopting a software compensation mode, the correction mode excessively depends on an algorithm, once the lens is updated, the algorithm also needs to be updated, and the investment and production cost is relatively high; therefore, the existing requirements are not met, and a wide-angle low-distortion optical lens is proposed for the requirement.
Disclosure of Invention
The invention aims to provide a wide-angle low-distortion optical lens, which is characterized in that light ray data is firstly divided and cut through the design structure of a second plano-concave lens, light rays around a displayed picture are divided, secondary correction is carried out through an annular correcting lens, so that the situation of deformity around the picture can be avoided, the wide-angle low-distortion optical lens is different from the traditional software distortion correction, algorithm software does not need to be relied on, the capital requirement required by updating and researching is avoided through the correction design of a physical structure, and the problems in the prior art can be solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wide-angle low distortion optical lens, includes wide-angle lens, wide-angle lens includes the lens cone main part, the one end of lens cone main part is provided with the protective eye piece, and protective eye piece and lens cone main part built-up connection, the other end of lens cone main part is provided with the camera switching mouth, and camera switching mouth and lens cone main part built-up connection, the surface of camera switching mouth is provided with the metal interface ring piece, and the metal interface ring piece passes through the screw connection with the camera switching mouth, all be provided with the response contact around the metal interface ring piece surface, and the response contact has a plurality ofly, the inside of lens cone main part is provided with the telescope tube, and the inside of telescope tube is provided with the lens module, the surface of lens cone main part is provided with the focusing ring, and the focusing ring rotates with the lens cone main part to be connected.
Preferably, the lens module comprises a concave-convex mirror, a concave mirror, a plano-convex mirror, a plano-concave mirror and a convex mirror; the number of the concave-convex lenses is five, and the concave-convex lenses comprise a first concave-convex lens, a second concave-convex lens, a third concave-convex lens, a fourth concave-convex lens and a fifth concave-convex lens;
the two concave mirrors comprise a first concave mirror and a second concave mirror;
the number of the plano-convex mirrors is three, and the plano-convex mirrors comprise a first plano-convex mirror, a second plano-convex mirror and a third plano-convex mirror;
two plano-concave mirrors are provided, and the plano-concave mirrors comprise a first plano-concave mirror and a second plano-concave mirror;
the number of the convex mirrors is three, and the three convex mirrors comprise a first convex mirror, a second convex mirror and a third convex mirror.
Preferably, the second concave-convex mirror sets up in one side of first concave-convex mirror, and first concave mirror sets up the opposite side at the second concave-convex mirror, first plano-convex mirror sets up the surface at first concave mirror opposite side, and first concave mirror is connected with a plano-convex mirror laminating, the opposite side that first plano-convex mirror established is provided with the third concave-convex mirror, the surface of third concave-convex mirror opposite side is provided with the plano-convex mirror of second, and the plano-convex mirror of second is connected with the laminating of third concave-convex mirror.
Preferably, a second concave mirror is arranged on the other side of the third concave-convex mirror, a first convex mirror is arranged on the surface of the other side of the second concave mirror, the first convex mirror is connected with the second concave mirror in a fit mode, a second convex mirror is arranged on the other side of the first convex mirror, and a fourth concave-convex mirror is arranged on the other side of the second convex mirror.
Preferably, the surface of the other side of the fourth concave-convex lens is provided with a third concave-convex lens, the third concave-convex lens is connected with the fourth concave-convex lens in a laminating manner, the other side of the third concave-convex lens is provided with a first concave-convex lens, the surface of the other side of the first concave-convex lens is provided with a fifth concave-convex lens, the fifth concave-convex lens is connected with the first concave-convex lens in a laminating manner, the other side of the fifth concave-convex lens is provided with a third convex lens, and the other side of the third convex lens is provided with a second concave-convex lens.
Preferably, the second plano-concave mirror is arranged inside the inner eyepiece barrel, the inner eyepiece barrel is connected with the camera adapter in a combined mode, an inner protective mirror is arranged on the outer surface of the inner eyepiece barrel and connected with the inner eyepiece barrel through a clamping groove, a supporting shaft is arranged in the middle section inside the inner eyepiece barrel and is in an integrated structure with the inner eyepiece barrel, and the second plano-concave mirror is connected with the supporting shaft in a laminating mode.
Preferably, a magnetic resistance sleeve ring is arranged on the outer side of one end of the inner eyepiece barrel and fixedly connected with the inner eyepiece barrel, a power-on contact is arranged on the surface of one end of the magnetic resistance sleeve ring and electrically connected with the magnetic resistance sleeve ring, a potential sliding groove is arranged in the magnetic resistance sleeve ring, and an outer magnetic ring sliding hoop is arranged in the potential sliding groove.
Preferably, the inner side of the inner protective mirror is provided with an annular correcting mirror, the annular correcting mirror is arranged between the inner protective mirror and the second concave mirror, the outer side of the annular correcting mirror is provided with an inner magnetic ring hoop, and the inner magnetic ring hoop and the annular correcting mirror are connected through a clamping groove in an attaching mode.
Preferably, the inner side of one end of the inner eyepiece barrel is provided with a limiting sliding shaft, the limiting sliding shaft and the inner eyepiece barrel are arranged into an integral structure, the peripheries of the inner magnetic ring hoops are provided with hoop bayonets, and the inner magnetic ring hoops are connected with the limiting sliding shaft in a sliding mode through the hoop bayonets.
Preferably, the outer magnetic ring sliding hoop is connected with the potential chute in a sliding mode, and the outer magnetic ring sliding hoop is connected with the inner magnetic ring hoop in a suction mode.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the light data is firstly divided and cut through the design structure of the second plano-concave mirror, the light around the displayed picture is divided, and the secondary correction is carried out through the annular correcting mirror, so that the situation of deformity around the picture can be avoided, the method is different from the traditional software distortion correction, algorithm software is not needed, and the correction design of the physical structure also avoids the capital requirement required by updating and research;
2. the annular correcting mirror is a group of convex lenses with annular structures, the radius of the convex lenses is larger than that of the second plano-concave mirror, when light refracted at the corners of the second plano-concave mirror is in contact with the annular correcting mirror, the light can be refracted again by the annular correcting mirror, and the light obliquely entering the convex lenses can be horizontally emitted;
3. the invention is characterized in that the outer side of the annular correcting lens is provided with an inner magnetic ring hoop structure, the annular correcting lens can be fixed in the inner eye glass tube through hoop bayonets at the periphery of the inner magnetic ring hoop, the inner magnetic ring hoop can also slide with a limiting sliding shaft at the inner side of the inner eye glass tube, meanwhile, the outer side of the area where the annular correcting lens is located is provided with a magnetic resistance hoop, the magnetic resistance hoop is fixed with the inner eye glass tube, a potential chute is arranged in the magnetic resistance hoop, an outer magnetic ring sliding hoop is arranged in the potential chute, the outer magnetic ring sliding hoop and the inner magnetic ring hoop are attracted through magnetic force, when an electrified contact at the outer side of the magnetic resistance hoop is in contact with a camera and electrified, the outer magnetic ring sliding hoop can be controlled to slide along the potential chute, so that the inner magnetic ring hoop and the annular correcting lens can be driven to slide one day, and the focal distance between the annular correcting lens and a second concave lens can be adjusted, and the adjusting structure can not damage the tightness of the camera lens.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall side view of the present invention;
FIG. 3 is a schematic view of a lens module according to the present invention;
FIG. 4 is a schematic view of an inner eyepiece barrel according to the present invention;
FIG. 5 is a schematic cross-sectional view of an eyepiece barrel according to the present invention;
FIG. 6 is a schematic view of the annular corrective spectacles of the present invention.
In the figure: 1. a wide-angle lens; 2. a lens barrel main body; 3. a camera transfer interface; 4. a protective eyepiece; 5. a lens module; 6. an inner eyepiece barrel; 7. a reluctance collar; 8. an annular corrective mirror; 201. a focusing ring; 202. a telescopic sleeve; 301. a metal interface ring sheet; 302. an inductive contact; 501. a first concave-convex mirror; 502. a second concave-convex lens; 503. a first concave mirror; 504. a first plano-convex mirror; 505. a third concave-convex lens; 506. a second concave mirror; 507. a first convex mirror; 508. a second convex mirror; 509. a fourth concave-convex lens; 510. a third plano-convex mirror; 511. a first plano-concave mirror; 512. a fifth concave-convex lens; 513. a third convex mirror; 514. a second plano-concave mirror; 515. a second plano-convex mirror; 601. abutting the shaft; 602. inner protective glasses; 603. a limiting sliding shaft; 701. a power-on contact; 702. an outer magnetic ring slip hoop; 703. a potential chute; 801. an inner magnetic ring hoop; 802. and a ferrule bayonet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention is shown: the utility model provides a wide angle low distortion optical lens, including wide angle lens 1, wide angle lens 1 includes lens cone main part 2, the one end of lens cone main part 2 is provided with protection eyepiece 4, and protection eyepiece 4 and 2 built-up connections of lens cone main part, the other end of lens cone main part 2 is provided with camera switching mouth 3, and camera switching mouth 3 and 2 built-up connections of lens cone main part, the surface of camera switching mouth 3 is provided with metal interface ring piece 301, and metal interface ring piece 301 passes through the screw connection with camera switching mouth 3, all be provided with inductive contact 302 around the metal interface ring piece 301 surface, and inductive contact 302 has a plurality ofly, the inside of lens cone main part 2 is provided with telescope tube 202, and telescope tube 202's inside is provided with lens module 5, the surface of lens cone main part 2 is provided with focusing ring 201, and focusing ring 201 rotates with lens cone main part 2 to be connected.
Referring to fig. 3, the lens module 5 includes five concave-convex mirrors, five convex-concave mirrors, five first concave-convex mirrors 501, five second concave-convex mirrors 502, three second concave-convex mirrors 505, four concave-convex mirrors 509 and five concave-convex mirrors 512, wherein there are two concave mirrors, including two concave mirrors 503 and two concave mirrors 506, and three flat-convex mirrors, including three first flat-convex mirror 504, two flat-convex mirrors 515 and three flat-convex mirrors 510, and wherein there are two flat-concave mirrors, including two flat-concave mirrors 511 and two flat-concave mirrors 514, and three convex-convex mirrors, including three first convex mirrors 507, two convex mirrors 508 and three convex mirrors 513;
the concave-convex lens is a lens structure with one convex surface and the other concave surface;
the concave mirror and the convex mirror are of lens structures with concave or convex double surfaces;
the plano-convex mirror and the plano-concave mirror are of a lens structure with one surface being convex or concave and the other surface being flat.
The second concave-convex mirror 502 is arranged on one side of the first concave-convex mirror 501, the first concave mirror 503 is arranged on the other side of the second concave-convex mirror 502, the first flat-convex mirror 504 is arranged on the surface on the other side of the first concave mirror 503, the first concave mirror 503 is connected with the flat-convex mirror in a joint mode, the other side of the first flat-convex mirror 504 is provided with a third concave-convex mirror 505, the surface on the other side of the third concave-convex mirror 505 is provided with a second flat-convex mirror 515, the second flat-convex mirror 515 is connected with the third concave-convex mirror 505 in a joint mode, the other side of the third concave-convex mirror 505 is provided with a second concave mirror 506, the surface on the other side of the second concave mirror 506 is provided with a first convex mirror 507, the first convex mirror 507 is connected with the second concave mirror 506 in a joint mode, the other side of the first convex mirror 507 is provided with a second convex mirror 508, the other side of the second convex mirror 508 is provided with a fourth concave-convex mirror 509, the surface on the other side of the fourth concave mirror 509 is provided with a third flat-convex mirror 510, the third concave-convex mirror 510 is connected with the fourth concave-convex mirror 509 in an attaching manner, the first concave-convex mirror 511 is arranged on the other side of the third concave-convex mirror 510, the fifth concave-convex mirror 512 is arranged on the surface of the other side of the first concave-convex mirror 511, the fifth concave-convex mirror 512 is connected with the first concave-convex mirror 511 in an attaching manner, the third convex-convex mirror 513 is arranged on the other side of the fifth concave-convex mirror 512, and the second concave-convex mirror 514 is arranged on the other side of the third convex-convex mirror 513;
the first concave-convex mirror 501 is used as the main light-entering lens at the outermost side, light rays are refracted and diffused inwards to the second concave-convex mirror 502 through the first concave-convex mirror 501, diffused to the first concave mirror 503 through the inner concave surface of the second concave-convex mirror 502, then directly pass through the outer convex surface of the first convex-convex mirror 504 jointed with the first concave mirror 503, the light rays passing through the outer convex surface horizontally irradiate to the outer convex surface of the third concave-convex mirror 505, the same light rays inwards pass through the second convex-convex mirror 515 jointed with the same and are horizontally refracted to the surface of the second concave mirror 506 again, then pass through the first convex-convex mirror 507 jointed with the second concave mirror 506 and the second convex-convex mirror 508 at the adjacent side, the light rays are converged on the outer convex surface of the fourth concave-convex mirror 509 through the two groups of convex-convex mirrors and are diffused outwards to the surface of the third convex-convex mirror 510 through the inner concave surface, and at the moment, the light rays are still horizontally refracted to the surface of the first concave-convex mirror 511, the light is diffused and refracted to the upper side of the fifth concave-convex mirror 512 through the inner concave surface, the light is refracted to the surface of the third convex mirror 513 from the outer convex surface to the inner concave surface, and finally is refracted to the inner concave surface of the second concave-convex mirror 514, the surface of the other side of the second concave-convex mirror 514 is designed into a micro-convex structure, but the light is different from the traditional concave-convex lens, a plane chamfer is arranged on the outer side of the convex surface, so that the light on the outer side can be refracted to the annular correcting mirror 8 by the second concave-convex mirror 514, and the picture light around the picture can be corrected through the annular correcting mirror 8.
Referring to fig. 4-6, the second plano-concave mirror 514 is disposed inside the inner eyepiece barrel 6, the inner eyepiece barrel 6 is connected to the camera adapter 3 in a combined manner, the inner protective mirror 602 is disposed on the outer surface of the inner eyepiece barrel 6, the inner protective mirror 602 is connected to the inner eyepiece barrel 6 through a slot, the middle section inside the inner eyepiece barrel 6 is provided with a supporting shaft 601, the supporting shaft 601 and the inner eyepiece barrel 6 are configured as an integral structure, the second plano-concave mirror 514 is connected to the supporting shaft 601 in an attached manner, the outer side of one end of the inner eyepiece barrel 6 is provided with a magnetic resistance collar 7, the magnetic resistance collar 7 is fixedly connected to the inner eyepiece barrel 6, the surface of one end of the magnetic resistance collar 7 is provided with an electrical contact 701, the electrical contact 701 is electrically connected to the magnetic resistance collar 7, the electrical potential chute 703 is disposed inside the magnetic resistance collar 7, the outer magnetic resistance collar 702 is disposed inside the electrical potential chute 703, the inner side of the inner eyepiece barrel 602 is provided with the annular correcting mirror 8, the annular correcting mirror 8 is arranged between the inner protective mirror 602 and the second flat concave mirror 514, an inner magnetic ring hoop 801 is arranged on the outer side of the annular correcting mirror 8, the inner magnetic ring hoop 801 is connected with the annular correcting mirror 8 in an attaching mode through a clamping groove, a limiting sliding shaft 603 is arranged on the inner side of one end of the inner eyepiece barrel 6, the limiting sliding shaft 603 and the inner eyepiece barrel 6 are arranged into an integrated structure, hoop bayonets 802 are arranged on the periphery of the inner magnetic ring hoop 801, the inner magnetic ring hoop 801 is connected with the limiting sliding shaft 603 in a sliding mode through the hoop bayonets 802, the outer magnetic ring sliding hoop 702 is connected with the potential chute 703 in a sliding mode, and the outer magnetic ring sliding hoop 702 is connected with the inner magnetic ring hoop 801 in an attaching mode;
the light data is firstly cut into sections through the design structure of the second plano-concave mirror 514, the light around the display picture is divided out, and the deformation around the picture can be avoided through the secondary correction through the annular correcting mirror 8;
the annular correcting mirror 8 is a group of convex lenses with an annular structure, the radius of the convex lenses is larger than that of the second plano-concave mirror 514, when the light rays refracted at the corners of the second plano-concave mirror 514 are in contact with the annular correcting mirror 8, the light rays can be refracted again by the annular correcting mirror 8, and the light rays obliquely entering the convex lenses can be horizontally emitted;
an inner magnetic ring hoop 801 structure is arranged on the outer side of the annular correcting lens 8, the annular correcting lens 8 can be fixed inside the inner eye lens barrel 6 through hoop bayonets 802 on the periphery of the inner magnetic ring hoop 801, the inner magnetic ring hoop 801 can slide with a limiting sliding shaft 603 on the inner side of the inner eye lens barrel 6, a magnetic resistance hoop 7 is arranged on the outer side of the area where the annular correcting lens 8 is located, the magnetic resistance hoop 7 is fixed with the inner eye lens barrel 6, a potential chute 703 is arranged inside the magnetic resistance hoop 7, an outer magnetic ring sliding hoop 702 is arranged inside the potential chute 703, the outer magnetic ring sliding hoop 702 is attracted with the inner magnetic ring hoop 801 through magnetic force, when an electrified contact 701 on the outer side of the magnetic resistance hoop 7 is in contact with a camera and electrified, the outer magnetic ring sliding hoop 702 can be controlled to slide along the potential chute 703, so that the inner magnetic ring hoop 801 and the annular correcting lens 8 can be driven to slide one day, this allows the focal length between the annular corrective mirror 8 and the second concave mirror 514 to be adjusted without this adjustment structure destroying the hermeticity of the camera lens.
To sum up, the first concave-convex mirror 501 is used as the main light-entering lens at the outermost side, the light is refracted and diffused inwards to the second concave-convex mirror 502 through the first concave-convex mirror 501, diffused to the first concave mirror 503 through the inner concave surface of the second concave-convex mirror 502, then the light directly passes through the outer convex surface of the first convex-convex mirror 504 jointed with the first concave mirror 503, the light passing through the outer convex surface horizontally enters the outer convex surface of the third concave-convex mirror 505, the light also passes inwards through the second convex-convex mirror 515 jointed with the same and is horizontally refracted to the surface of the second concave mirror 506 again, then passes through the first convex-convex mirror 507 jointed with the second concave mirror 506 and the second convex-convex mirror 508 at the adjacent side, the light is converged to the outer convex of the fourth concave-convex mirror 509 through the two groups of convex-convex mirrors, and is diffused and folded to the surface of the third convex-convex mirror 510 through the inner concave surface, at this time, the light is still horizontally folded to the surface of the first concave-convex mirror 511, the light is diffused and refracted to the upper part of the fifth concave-convex mirror 512 through the inner concave surface, the light is refracted to the surface of the third convex mirror 513 from the outer convex surface to the inner concave surface, and finally is refracted to the inner concave surface of the second concave-convex mirror 514, the other side surface of the second concave-convex mirror 514 is designed into a micro-convex structure, but the convex surface is different from the traditional concave-convex lens, the outer side of the convex surface is provided with a plane chamfer, so that the light on the outer side can be refracted to the annular correcting mirror 8 by the second concave-convex mirror 514, the light data is firstly cut by the design structure of the second concave-convex mirror 514, the light around the display picture is cut out, the secondary correction is carried out by the annular correcting mirror 8, so that the abnormal condition around the picture can be avoided, the outer side of the annular correcting mirror 8 is provided with an inner magnetic ring hoop 801 structure, the annular correcting mirror 8 can be fixed inside the eyepiece barrel 6 by the bayonet 802 around the inner magnetic ring hoop 801, the inner magnetic ring hoop 801 can also slide with a limiting sliding shaft 603 on the inner side of the inner eyepiece barrel 6, meanwhile, a magnetic resistance lantern ring 7 is installed on the outer side of the area where the annular correcting lens 8 is located, the magnetic resistance lantern ring 7 and the inner eyepiece barrel 6 are fixed, a potential sliding groove 703 is formed in the magnetic resistance lantern ring 7, an outer magnetic ring sliding hoop 702 is arranged in the potential sliding groove 703, the outer magnetic ring sliding hoop 702 and the inner magnetic ring hoop 801 are attracted through magnetic force, when an electrified contact 701 on the outer side of the magnetic resistance lantern ring 7 is in contact with a camera and electrified, the outer magnetic ring sliding hoop 702 can be controlled to slide along the potential sliding groove 703, the inner magnetic ring hoop 801 and the annular correcting lens 8 can be driven to slide one day, the focal length between the annular correcting lens 8 and the second flat concave lens 514 can be adjusted, and the tightness of the camera lens cannot be damaged by the adjusting structure.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A wide-angle low-distortion optical lens comprises a wide-angle lens (1), and is characterized in that: the wide-angle lens (1) comprises a lens barrel body (2), one end of the lens barrel body (2) is provided with a protective eyepiece (4), the protective eyepiece (4) is connected with the lens barrel body (2) in a combined manner, the other end of the lens barrel body (2) is provided with a camera switching port (3), the camera switching port (3) is connected with the lens barrel body (2) in a combined manner, the outer surface of the camera switching port (3) is provided with a metal interface ring piece (301), the metal interface ring piece (301) is connected with the camera switching port (3) through screws, the periphery of the outer surface of the metal interface ring piece (301) is provided with a plurality of induction contacts (302), the inner part of the lens barrel body (2) is provided with a telescopic sleeve (202), the inner part of the telescopic sleeve (202) is provided with a lens module (5), the outer surface of the lens barrel body (2) is provided with a focusing ring (201), and the focusing ring (201) is rotatably connected with the lens barrel body (2).
2. The wide-angle low distortion optical lens of claim 1, wherein: the lens module (5) comprises a concave-convex lens, a concave lens, a plano-convex lens, a plano-concave lens and a convex lens;
the number of the concave-convex lenses is five, and the concave-convex lenses comprise a first concave-convex lens (501), a second concave-convex lens (502), a third concave-convex lens (505), a fourth concave-convex lens (509) and a fifth concave-convex lens (512);
wherein, there are two concave mirrors, including the first concave mirror (503) and the second concave mirror (506);
three plano-convex mirrors are provided, including a first plano-convex mirror (504), a second plano-convex mirror (515) and a third plano-convex mirror (510);
wherein, there are two plano-concave mirrors, including a first plano-concave mirror (511) and a second plano-concave mirror (514);
there are three convex mirrors, including a first convex mirror (507), a second convex mirror (508), and a third convex mirror (513).
3. The wide-angle low distortion optical lens of claim 2, wherein: second concave-convex mirror (502) set up the one side in first concave-convex mirror (501), and first concave mirror (503) set up the opposite side in second concave-convex mirror (502), first plano-convex mirror (504) set up the surface at first concave mirror (503) opposite side, and first concave mirror (503) are connected with a plano-convex mirror laminating, the opposite side that first plano-convex mirror (504) were established is provided with third concave-convex mirror (505), the surface of third concave-convex mirror (505) opposite side is provided with second plano-convex mirror (515), and second plano-convex mirror (515) are connected with third concave-convex mirror (505) laminating.
4. The wide-angle low distortion optical lens of claim 3, wherein: the opposite side of third concave-convex mirror (505) is provided with second concave mirror (506), the surface of second concave mirror (506) opposite side is provided with first convex mirror (507), and first convex mirror (507) is connected with the laminating of second concave mirror (506), the opposite side of first convex mirror (507) is provided with second convex mirror (508), and the opposite side of second convex mirror (508) is provided with fourth concave-convex mirror (509).
5. The wide-angle low distortion optical lens of claim 4, wherein: the surface of the other side of the fourth concave-convex lens (509) is provided with a third concave-convex lens (510), the third concave-convex lens (510) is jointed and connected with the fourth concave-convex lens (509), the other side of the third concave-convex lens (510) is provided with a first concave-convex lens (511), the surface of the other side of the first concave-convex lens (511) is provided with a fifth concave-convex lens (512), the fifth concave-convex lens (512) is jointed and connected with the first concave-convex lens (511), the other side of the fifth concave-convex lens (512) is provided with a third convex-convex lens (513), and the other side of the third convex-convex lens (513) is provided with a second concave-convex lens (514).
6. The wide-angle low distortion optical lens of claim 5, wherein: the second plano-concave mirror (514) is arranged inside the inner eyepiece barrel (6), the inner eyepiece barrel (6) is connected with the camera adapter (3) in a combined mode, an inner protective mirror (602) is arranged on the outer surface of the inner eyepiece barrel (6), the inner protective mirror (602) is connected with the inner eyepiece barrel (6) through a clamping groove, the abutting shaft (601) is arranged in the middle section inside the inner eyepiece barrel (6), the abutting shaft (601) and the inner eyepiece barrel (6) are of an integrated structure, and the second plano-concave mirror (514) is connected with the abutting shaft (601) in a bonded mode.
7. The wide-angle low distortion optical lens of claim 6, wherein: the outer side of one end of the inner eyepiece sleeve (6) is provided with a magnetic resistance sleeve ring (7), the magnetic resistance sleeve ring (7) is fixedly connected with the inner eyepiece sleeve (6), the surface of one end of the magnetic resistance sleeve ring (7) is provided with a power-on contact (701), the power-on contact (701) is electrically connected with the magnetic resistance sleeve ring (7), a potential sliding groove (703) is arranged inside the magnetic resistance sleeve ring (7), and an outer magnetic ring sliding hoop (702) is arranged inside the potential sliding groove (703).
8. The wide-angle low distortion optical lens of claim 7, wherein: the inner side of the inner protective mirror (602) is provided with an annular correcting mirror (8), the annular correcting mirror (8) is arranged between the inner protective mirror (602) and the second concave mirror (514), the outer side of the annular correcting mirror (8) is provided with an inner magnetic ring hoop (801), and the inner magnetic ring hoop (801) is connected with the annular correcting mirror (8) in a clamping groove fitting mode.
9. The wide-angle low distortion optical lens of claim 8, wherein: the inner side of one end of the inner eyepiece barrel (6) is provided with a limiting sliding shaft (603), the limiting sliding shaft (603) and the inner eyepiece barrel (6) are arranged to be of an integrated structure, ferrule bayonets (802) are arranged on the periphery of the inner magnetic ring ferrule (801), and the inner magnetic ring ferrule (801) is connected with the limiting sliding shaft (603) in a sliding mode through the ferrule bayonets (802).
10. The wide-angle low distortion optical lens of claim 9, wherein: the outer magnetic ring sliding hoop (702) is connected with the potential sliding groove (703) in a sliding mode, and the outer magnetic ring sliding hoop (702) is connected with the inner magnetic ring hoop (801) in an attracting mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210925820.6A CN115128776B (en) | 2022-08-03 | 2022-08-03 | Wide-angle low-distortion optical lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210925820.6A CN115128776B (en) | 2022-08-03 | 2022-08-03 | Wide-angle low-distortion optical lens |
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| CN115128776A true CN115128776A (en) | 2022-09-30 |
| CN115128776B CN115128776B (en) | 2023-02-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117215029A (en) * | 2023-11-08 | 2023-12-12 | 江西省爱成海光学科技有限公司 | A correct auxiliary knob device for optical lens plastic part |
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| CN202093229U (en) * | 2011-05-19 | 2011-12-28 | 福建福光数码科技有限公司 | Wide angle high resolution space target detection lens |
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| CN214252719U (en) * | 2020-11-05 | 2021-09-21 | 佛山市旭耀光学科技有限公司 | Optical wide-angle lens for large-aperture lens |
| CN216083246U (en) * | 2021-10-26 | 2022-03-18 | 舜宇光学(中山)有限公司 | Low-distortion wide-angle lens |
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|---|---|---|---|---|
| CN202093229U (en) * | 2011-05-19 | 2011-12-28 | 福建福光数码科技有限公司 | Wide angle high resolution space target detection lens |
| JP2020056849A (en) * | 2018-09-28 | 2020-04-09 | 学校法人 芝浦工業大学 | Image capturing optical system and image capturing device |
| CN208795905U (en) * | 2018-09-30 | 2019-04-26 | 南昌欧菲生物识别技术有限公司 | Lens module, camera mould group and electronic device |
| CN214252719U (en) * | 2020-11-05 | 2021-09-21 | 佛山市旭耀光学科技有限公司 | Optical wide-angle lens for large-aperture lens |
| CN112649951A (en) * | 2020-12-23 | 2021-04-13 | 福建福光股份有限公司 | Low-distortion wide-angle zoom lens |
| CN216083246U (en) * | 2021-10-26 | 2022-03-18 | 舜宇光学(中山)有限公司 | Low-distortion wide-angle lens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117215029A (en) * | 2023-11-08 | 2023-12-12 | 江西省爱成海光学科技有限公司 | A correct auxiliary knob device for optical lens plastic part |
| CN117215029B (en) * | 2023-11-08 | 2024-02-06 | 江西省爱成海光学科技有限公司 | A correct auxiliary knob device for optical lens plastic part |
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| CN115128776B (en) | 2023-02-28 |
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