CN207457591U - A kind of external lens - Google Patents
A kind of external lens Download PDFInfo
- Publication number
- CN207457591U CN207457591U CN201721488922.7U CN201721488922U CN207457591U CN 207457591 U CN207457591 U CN 207457591U CN 201721488922 U CN201721488922 U CN 201721488922U CN 207457591 U CN207457591 U CN 207457591U
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- lens
- light
- reflecting surface
- external
- emitting surface
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Abstract
The utility model discloses a kind of external lens, the external lens is arranged in front of the eyeglass of camera, it includes the lens in rotation body, the lens include the incidence surface, the reflecting surface arranged on the lensed tip and the light-emitting surface arranged on the lens bottom that are set along the surfaces of revolution of the lens, and the light-emitting surface is towards the eyeglass of the camera；The incidence surface and the reflecting surface optical conjugate, the reflecting surface and the light-emitting surface optical conjugate.The utility model collects the panoramic picture needed for mobile phone by a lens.
Description
Technical field
The utility model is related to a kind of external lens.
Background technology
At present, generally there are following methods using mobile phone photographing panorama picture：It is laggard using common lens shooting multiple pictures
Row software process quality；Using the first-class mobile telephone external camera lens of the combined lens of fish eye lens, bugeye lens or multiple broad angle lens come into
Row shooting, then carry out post-processing completion.The above method there are the shortcomings that include：1st, common lens pan photo needs make
Stablize camera with equipment such as nodal heads, it is complicated for operation, and the photo that finally presents need with repeatedly shoot come
Photo carries out software process quality, and post-production difficulty is high；2nd, the distant view photograph shot using fish eye lens or bugeye lens, it is abnormal
Become larger；3rd, common wide-angle lens needs to be combined use by multiple eyeglasses, and assembling process is cumbersome.
Utility model content
The purpose of this utility model is to provide a kind of external lens, is complete needed for collectable camera by a lens
Scape image.
To achieve the above object, a kind of external lens provided by the utility model, the external lens are arranged at camera shooting
In front of the eyeglass of head, including the lens in rotation body, the lens include entering light along what the surfaces of revolution of the lens was set
Face, the reflecting surface arranged on the lensed tip and the light-emitting surface arranged on the lens bottom, the light-emitting surface is towards the camera shooting
The eyeglass of head；The incidence surface and the reflecting surface optical conjugate, the reflecting surface and the light-emitting surface optical conjugate.
In above-mentioned external lens, the incidence surface is recessed for the axis side of the surfaces of revolution towards the lens of the lens
Sunken cancave cambered surface；Towards sunken inside, it is in arc surfaced to make the reflecting surface and light-emitting surface at the top and bottom of the lens.
In above-mentioned external lens, in section formed by the axial direction along the lens, the incidence surface, reflecting surface and light-emitting surface
Profile is arc-shaped either ellipse arc or parabola shaped.
In above-mentioned external lens, in section formed by the axial direction along the lens, the profile of the incidence surface is in radius 31-
The circular arc of 32mm, the length of the circular arc are 9-10mm, between the midpoint tangent line of the circular arc and the axis of the lens into
10 ° -12 ° of angle.
In above-mentioned external lens, in section formed by the axial direction along the lens, the profile of the reflecting surface is parabolically
X2The shape of=5y, a diameter of 17-19mm in openend of the reflecting surface.
In above-mentioned external lens, in section formed by the axial direction along the lens, the profile of the light-emitting surface is parabolically
X2The shape of=- 36y, a diameter of 14-16mm in openend of the light-emitting surface.
In above-mentioned external lens, minimum range of the reflecting surface apart from the light-emitting surface is 1-3mm.
In above-mentioned external lens, the bottom of the lens is equipped with boss, and the light-emitting surface is arranged on the boss.
In above-mentioned external lens, the surface of the reflecting surface is covered with reflecting coating.
In above-mentioned external lens, the incidence surface is in loop-like.
A kind of external lens that above-mentioned technical proposal is provided, is external on camera, compared with prior art, has
Beneficial effect includes：1st, it is to collect the required imagery optical information of camera panoramic picture imaging by a lens；2nd, this is saturating
Mirror includes the optical surface of three conjugation, and camera is enable completely to collect the incident imagery optical information of incidence surface；3rd, this is outer
It is wide to connect the panoramic picture angle that shots arrive, and imaging clearly, fidelity are high；4th, the external lens can be applied to mobile phone or
Other photographic devices of person, it is easy to use.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of the utility model external lens；
Fig. 2 is the light path schematic diagram of the utility model external lens.
Wherein, 1- lens, 101- incidence surfaces, 102- reflectings surface, 103- light-emitting surfaces, 104- boss.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Attached drawing 1-2, a kind of external lens provided by the utility model are referred to, the external lens is arranged at camera
Eyeglass in front of, include in rotation body lens 1, the lens 1 include along the lens 1 the surfaces of revolution setting enter light
Face 101, the reflecting surface 102 arranged on 1 top of lens and the light-emitting surface 103 arranged on 1 bottom of lens, the light-emitting surface
103 towards the camera eyeglass；The incidence surface 101 and 102 optical conjugate of reflecting surface, the reflecting surface 102 with
103 optical conjugate of light-emitting surface.
Based on above-mentioned technical characteristic, light is reflected by the incidence surface 101 into the lens 1, and is refracted to described anti-
It penetrates face 102 to be reflected, by the reflecting surface 102 light is made to reflex to the light-emitting surface 103 and be emitted to the camera shooting
Head.By being arranged on the light-emitting surface 101 of the surfaces of revolution, the light-emitting surface 101 is enable preferably to collect around the lens 1
The outdoor scene light of 360 degree of scopes；Due to the incidence surface 101 and 102 optical conjugate of reflecting surface, the incidence surface 101 is entered
The light penetrated can be incident to the reflecting surface 102 and be reflected；Due to the reflecting surface 102 and 103 optics of light-emitting surface
Conjugation, the incident light that the reflecting surface 102 reflects can reflex to the light-emitting surface 103；Therefore the light-emitting surface 103 is emitted
Light can be emitted to the camera；Due to optical conjugate, the incidence surface 101 between three optical surfaces of the lens 1
360 degree of incident scope outdoor scene light can be emitted to the camera correspondingly, and the camera is made to pass through the lens 1
It obtains 360 degree of scope outdoor scene light and generates panoramic picture.
The incidence surface 101 for the lens 1 the surfaces of revolution towards the lens 1 the concave concave arc of axis side
Face；Towards sunken inside, it is in arc surfaced to make the reflecting surface 102 and light-emitting surface 103 at the top and bottom of the lens 1；Ensure institute
Stating incidence surface 101 larger range of can collect the incident outdoor scene light of the lens 1, and passes through and set the reflecting surface
102 radian enables the reflecting surface 102 that can reflect the incident light of the incidence surface 101 and makes the light-emitting surface 103
It is emitted the incident ray that the reflecting surface 102 is reflected.
In section formed by the axial direction along the lens 1,103 profile of the incidence surface 101, reflecting surface 102 and light-emitting surface
Either ellipse arc or parabola shaped is arc-shaped, makes preferably realize light between three optical surfaces of the lens 1
Learn conjugation.
In section formed by the axial direction along the lens 1, the profile of the incidence surface 101 is in the circular arc of radius 31-32mm,
The length of the circular arc is 9-10mm, into 10 ° -12 ° of folder between the midpoint tangent line of the circular arc and the axis of the lens 1
Angle, in the present embodiment, the arc radius is 31.85mm, and the arc length is 9.87mm, the arcuate midway point with it is described
Into 11 ° of angle between the axis of mirror 1, make the incidence surface 101 close to the end diameter of the reflecting surface 102 be more than it is described enter
Smooth surface enables the incident larger range of outdoor scene light of the incidence surface 101 close to the end diameter of the light-emitting surface 103.
In section formed by the axial direction along the lens 1, the profile of the reflecting surface 102 parabolically X2The shape of=5y
Shape, a diameter of 17-19mm in openend of the reflecting surface 102；In the present embodiment, the top diameter of the reflecting surface is
18.44mm enables the reflecting surface 102 to meet the conjugate condition with the incidence surface 101 and the light-emitting surface 103.
In section formed by the axial direction along the lens, the profile of the light-emitting surface parabolically X2The shape of=- 36y,
The a diameter of 14-16mm in openend of the light-emitting surface, in the present embodiment, the opening diameter of the light-emitting surface 103 is 15mm, is passed through
The arc radius of the incidence surface 101 and the light-emitting surface 103 is set, and makes the incidence surface 101, reflecting surface 102 and light-emitting surface
103 meet the condition of light conjugation, and the relation for enabling the incidence surface 101 incident all refracts to the light-emitting surface 103.
Minimum range of the reflecting surface 102 apart from the light-emitting surface 103 is 1-3mm, in the present embodiment, the reflecting surface
Minimum range with the light-emitting surface is 1.68mm.
The bottom of the lens 1 is equipped with boss 104, and the light-emitting surface 103 is arranged on the boss 104；It avoids described
Reflection of the incident light of 1 surrounding of mirror without the reflecting surface 102 and be incident to the light-emitting surface from the incidence surface 101
103, ensure the optical conjugate of the incidence surface 101 and the reflecting surface 102.
The surface of the reflecting surface 102 enables the reflecting surface 102 to realize to incident covered with reflecting coating
The total reflection of the light of 360 degree of scope outdoor scene.
The incidence surface 101 is in loop-like, and the outdoor scene light for making the incidence surface 101 incident has continuity.
The optical principle of the external lens of the utility model is as follows：
To sum up, the external lens of the utility model, by the incidence surface 101, anti-that mutual phase conjugate is set on the lens 1
Face 102 and light-emitting surface 103 are penetrated, the light-emitting surface 103 is enable to be emitted the incident light of the incidence surface 101 completely, makes institute
The camera can be all emitted to and be imaged by stating 360 degree of incident scope outdoor scene light of incidence surface 101；By it is described enter light
Face 101, reflecting surface 102 and the section of light-emitting surface 103 are designed, and the lens 1 is enable preferably to realize scape of being outside one's consideration to around 360
The collection and outgoing of light；By setting reflecting coating to the reflecting surface 102, make the reflecting surface 102 to the incidence surface 101
Incident light be totally reflected；It is that mobile phone camera can receive institute by setting the light-emitting surface 103 being conjugated with mobile phone camera
State that incidence surface 101 is incident 360 to be outside one's consideration scape light.
It the above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of the art
Member for, on the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these improve and
Replacement also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of external lens, the external lens is arranged in front of the eyeglass of camera, which is characterized in that it is included in rotation
The lens of body shape, the lens include the incidence surface along the surfaces of revolution setting of the lens, the reflection arranged on the lensed tip
Face and the light-emitting surface arranged on the lens bottom, the light-emitting surface is towards the eyeglass of the camera；
The incidence surface and the reflecting surface optical conjugate, the reflecting surface and the light-emitting surface optical conjugate.
2. external lens as described in claim 1, which is characterized in that the incidence surface for the lens the surfaces of revolution towards described
The concave cancave cambered surface of axis side of lens；The top and bottom of the lens make the reflecting surface and go out towards sunken inside
Smooth surface is in arc surfaced.
3. external lens as claimed in claim 2, which is characterized in that described in section formed by the axial direction along the lens
Incidence surface, reflecting surface and light extraction facial contour are arc-shaped either ellipse arc or parabola shaped.
4. external lens as claimed in claim 3, which is characterized in that described in section formed by the axial direction along the lens
The profile of incidence surface is in the circular arc of radius 31-32mm, and the length of the circular arc is 9-10mm, the midpoint tangent line of the circular arc and institute
State the angle into 10 ° -12 ° between the axis of lens.
5. external lens as claimed in claim 3, which is characterized in that described in section formed by the axial direction along the lens
The profile of reflecting surface parabolically X2The shape of=5y, a diameter of 17-19mm in openend of the reflecting surface.
6. external lens as claimed in claim 3, which is characterized in that described in section formed by the axial direction along the lens
The profile of light-emitting surface parabolically X2The shape of=- 36y, a diameter of 14-16mm in openend of the light-emitting surface.
7. external lens as claimed in claim 3, which is characterized in that minimum range of the reflecting surface apart from the light-emitting surface
For 1-3mm.
8. such as the external lens any one of claim 1-7, which is characterized in that the bottom of the lens is equipped with boss,
The light-emitting surface is arranged on the boss.
9. such as the external lens any one of claim 1-7, which is characterized in that the surface of the reflecting surface is covered with anti-
Light coating.
10. such as the external lens any one of claim 1-7, which is characterized in that the incidence surface is in loop-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488922.7U CN207457591U (en) | 2017-11-09 | 2017-11-09 | A kind of external lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488922.7U CN207457591U (en) | 2017-11-09 | 2017-11-09 | A kind of external lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457591U true CN207457591U (en) | 2018-06-05 |
Family
ID=62254752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721488922.7U Active CN207457591U (en) | 2017-11-09 | 2017-11-09 | A kind of external lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207457591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817592A (en) * | 2017-11-09 | 2018-03-20 | 刘超 | A kind of external lens |
-
2017
- 2017-11-09 CN CN201721488922.7U patent/CN207457591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817592A (en) * | 2017-11-09 | 2018-03-20 | 刘超 | A kind of external lens |
| CN107817592B (en) * | 2017-11-09 | 2024-03-08 | 刘超 | External lens |
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