CN103246037B - A kind of multi-functional CPL polarisation, adjustable N D filter - Google Patents
A kind of multi-functional CPL polarisation, adjustable N D filter Download PDFInfo
- Publication number
- CN103246037B CN103246037B CN201310212228.2A CN201310212228A CN103246037B CN 103246037 B CN103246037 B CN 103246037B CN 201310212228 A CN201310212228 A CN 201310212228A CN 103246037 B CN103246037 B CN 103246037B
- Authority
- CN
- China
- Prior art keywords
- filter
- cpl
- frame
- rear mirror
- polarisation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/003—Light absorbing elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/006—Filter holders
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/565—Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Blocking Light For Cameras (AREA)
- Telescopes (AREA)
- Polarising Elements (AREA)
Abstract
The present invention relates to a kind of multi-functional CPL polarisation, adjustable N D filter, include an annular rear mirror frame, a CPL polariscope and a ND filter；Described CPL polariscope is located in the annular of described rear mirror frame, and is rotationally connected with the inside side walls of described rear mirror frame；One end fixture block notch of described ND filter is detachably and rotation is adjustably connected with described rear mirror frame, is positioned at the front of described CPL polariscope.So, user only need to buy a multi-functional CPL polarisation of the present invention, adjustable N D filter can meet CPL polarisation function and the demand of adjustable N D function, the product decreasing repeatability is bought, it is greatly saved spending, it is light, convenient to carry simultaneously and preserve, and only need to can complete CPL polarisation function and the switching of adjustable N D function by dismounting, assembling ND filter, operate the simplest, convenient, fast.
Description
Technical field
The present invention relates to photographing unit filter regulation technology field, relate to a kind of multi-functional CPL polarisation, adjustable N D filter.
Background technology
At present, CPL polariscope and ND mirror (neutral density mirror) are all filters conventional on slr camera；Wherein, CPL polarisation
Mirror acts primarily as CPL polarisation function, is used for weakening reflection light, commonly uses to filter windowpane reflection light, makes glass become apparent from transparent,
Also in order to the polarized light that the sky filtered is aerial, the contrast between horizon is made to become apparent from, truly；ND mirror is mainly used in reducing logical light
Amount, in the outdoor shooting that sunlight is strong, or when needing to use longer time of exposure under the conditions of ordinary ray, is required for making
Assisted with ND mirror.It is necessary for configuring a CPL polariscope and a ND mirror if user's camera to be increases this two function,
Spend higher, carry and preserve cumbersome, inconvenient, and these CPL polariscopes and ND mirror are all by being threaded knot
Structure is individually arranged on camera lens, when carrying out CPL polarisation function and the switching of adjustable N D function, it is necessary to unloaded by CPL polariscope
Assemble upper ND mirror again, or ND mirror is unloaded the upper CPL polariscope of assembling again, the most time-consuming, inconvenient operation.
Summary of the invention
For solving the above-mentioned problems in the prior art, the invention provides a kind of user and only need to buy a filter i.e.
CPL polarisation function and the demand of adjustable N D function can be met, reduce repeat buying, reduce expenses, carry simultaneously and preserve easily,
Convenient, CPL polarisation simple, convenient, the most multi-functional, adjustable N D filter.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of multi-functional CPL polarisation, adjustable N D filter, include an annular rear mirror frame, a CPL polariscope and ND filter
Mirror；Described CPL polariscope is located in the annular of described rear mirror frame, and is rotationally connected with the inside side walls of described rear mirror frame；Described
One end fixture block notch of ND filter is detachably and rotation is adjustably connected with described rear mirror frame, is positioned at described CPL polariscope
Front.
Further, described ND filter is mainly made up of filter frame and the ND eyeglass being located on described filter frame；Described filter
The outside side wall of picture frame is provided with fixture block；The inside side walls of described rear mirror frame is provided with the second draw-in groove and the card suitable with described fixture block
Entrance；During assembling, described fixture block is in described card entrance snaps in described second draw-in groove and described with being rotated in of described ND filter
Slide in second draw-in groove.
Or, the outside side wall of described filter frame is provided with the second draw-in groove and card entrance；The inside side walls phase of described rear mirror frame
Position is answered to be provided with the fixture block suitable with described card entrance；During assembling, described fixture block snaps in described second card through described card entrance
In groove, and slide with being rotated in described second draw-in groove of described ND filter.
Further, described filter frame being additionally provided with lock-bit parts, described rear mirror frame sets towards the end face of described ND filter
Limited location chute, or the outside side wall of described rear mirror frame is provided with lock-bit parts, the outside side wall relevant position of described ND filter
It is provided with limit sliding chutes；During assembling, described lock-bit parts are stuck in described limit sliding chutes, and described with being rotated in of described ND filter
Slide in limit sliding chutes.
Further, described lock-bit parts are lock screw, are mainly made up of threaded portion and the tweezer portion of holding, described threaded portion
One end be connected with the described tweezer portion of holding, the other end is screwed into the screw hole that described filter frame is provided with, and end is stuck in described spacing cunning
In groove.
Further, to hold portion one-body molded for described threaded portion and tweezer.
Further, described CPL polariscope is mainly made up of rotating frame and the CPL polaroid being located on described rotating frame,
The outside side wall of described rotating frame is provided with rotation convex tendon, and the inside side walls of described rear mirror frame is provided with the first draw-in groove；During assembling, described
Rotate convex tendon to be stuck in rotationally in described first draw-in groove.
Further, described CPL polariscope is mainly by rotating frame and the CPL polaroid being located on described rotating frame, described
The outside side wall of rotating frame is provided with the first draw-in groove, and the inside side walls of described rear mirror frame is provided with rotation convex tendon；During assembling, described rotation
Convex tendon is stuck in described first draw-in groove rotationally.
The invention has the beneficial effects as follows:
The present invention passes through technique scheme, and user only need to buy a multi-functional CPL polarisation of the present invention, adjustable
ND filter can meet CPL polarisation function and the demand of adjustable N D function, and the product decreasing repeatability is bought, and is greatly saved
Spending, it is light, convenient to carry simultaneously and preserve, and only need to by dismounting, assemble ND filter can complete CPL polarisation function and
The switching of adjustable N D function, operates the simplest, convenient, fast.
Accompanying drawing explanation
Fig. 1 is a kind of multi-functional CPL polarisation of the present invention, the decomposition texture schematic diagram of adjustable N D filter embodiment one；
Fig. 2 is a kind of multi-functional CPL polarisation of the present invention, the sectional structure schematic diagram of adjustable N D filter embodiment one；
Fig. 3 is the plan structure of rear mirror frame in a kind of multi-functional CPL polarisation of the present invention, adjustable N D filter embodiment one
Schematic diagram；
Fig. 4 be in a kind of multi-functional CPL polarisation of the present invention, adjustable N D filter embodiment one ND filter look up structure
Schematic diagram；
Fig. 5 is a kind of multi-functional CPL polarisation of the present invention, the sectional structure schematic diagram of adjustable N D filter embodiment two.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment one:
Shown in as shown in Figure 1 to Figure 4, the one multi-functional CPL polarisation described in the embodiment of the present invention one, adjustable N D filter, bag
Include annular rear mirror frame 1, CPL polariscope 2 and a ND filter 3；Described CPL polariscope 2 is located in the annular of rear mirror frame 1,
And be rotationally connected with the inside side walls of rear mirror frame 1；One end fixture block notch of described ND filter 3 detachably and rotates adjustably
It is connected with rear mirror frame 1, is positioned at the front of CPL polariscope 2.Concrete structure can be:
Described CPL polariscope 2 is mainly made up of rotating frame 21 and CPL polaroid 22；Wherein, described CPL polaroid 22 sets
Fix in rotating frame 21 and by spinning ring 221；The outside side wall of described rotating frame 21 be provided with rotation convex tendon 211, described after
The inside side walls of picture frame 1 is provided with the first draw-in groove 11；Described ND filter 3 is mainly made up of filter frame 31 and ND eyeglass 32；Wherein,
Described ND eyeglass 32 is located in filter frame 31, and by spinning ring 321；The outside side wall of described filter frame 31 is provided with fixture block 311；
The inside side walls of described rear mirror frame 1 is provided with the second draw-in groove 12 and the card entrance 13 suitable with fixture block 311；On described filter frame 31
Being additionally provided with lock-bit parts, described lock-bit parts are lock screw 313, are mainly held portion 315 by threaded portion 314 and tweezer and form, institute
State one end of threaded portion 314 to hold portion 315 with tweezer and be connected, and one-body molded；Described rear mirror frame 1 is provided with towards the end face of ND filter 3
Limit sliding chutes 14.
During assembling, first by CPL polariscope 2 device in the annular of rear mirror frame 1, and make the rotation convex tendon of rotating frame 21
211 are stuck in the first draw-in groove 11 of rear mirror frame 1 rotationally；Then by the fixture block 311 on ND filter 3 filter frame 31 through rear mirror frame
The card entrance 13 of 1 snaps in the second draw-in groove 12, make fixture block 311 with ND filter 3 be rotated in the second draw-in groove 12 in slide；Finally will
Lock screw 313 is screwed into the screw hole 312 that filter frame 31 is provided with so that it is the end of threaded portion 314 is stuck in limit sliding chutes 14, and
With ND filter 3 be rotated in limit sliding chutes 14 in slide.
During use, multi-functional CPL polarisation of the present invention, the adjustable N D filter outside side wall by rear mirror frame 1 rear end
The external screw thread being provided with is arranged on the camera lens of capture apparatus, has adjustable N D function；When unscrewing lock screw 313 and will rotate
ND filter 3, when making fixture block 311 be positioned at card entrance 13, can dismantle ND filter 3, separate with rear mirror frame 1, now these many merits
Energy CPL polarisation, adjustable N D filter have CPL polarisation function.
So, user only need to buy multi-functional CPL polarisation of the present invention, an adjustable N D filter and can meet CPL
Polarisation function and the demand of adjustable N D function, the product decreasing repeatability is bought, and is greatly saved spending, carries simultaneously and protect
It is light, convenient to deposit, and only need to by dismounting, assemble ND filter 3 and can complete cutting of CPL polarisation function and adjustable N D function
Change, operate the simplest, convenient, fast.
Certainly, the fixture block notch between described ND filter 3 and rear mirror frame 1 can also: outside described filter frame 31
Side sidewall is provided with the second draw-in groove as hereinbefore and card entrance, and the inside side walls relevant position of described rear mirror frame 1 is provided with and is somebody's turn to do
The fixture block that card entrance is suitable, and it is provided with limit sliding chutes towards the end face of ND filter 3；It is additionally provided with lock-bit portion on described filter frame 31
Part (i.e. lock screw 313)；During assembling, described fixture block is also in described card entrance snaps in described second draw-in groove, and filters with ND
Being rotated in the second draw-in groove of mirror 3 is slided, and described lock-bit parts are stuck in described limit sliding chutes, and being rotated in ND filter 3
Slide in described limit sliding chutes.The outside side wall of described rotating frame 21 is provided with the first draw-in groove, and the inside side walls of described rear mirror frame 1 sets
There is rotation convex tendon；During assembling, described rotation convex tendon is stuck in described first draw-in groove rotationally.
Embodiment two:
As shown in Figure 5, a kind of multi-functional CPL polarisation described in the embodiment of the present invention two, the structure base of adjustable N D filter
This is identical with embodiment one, includes annular rear mirror frame 1, CPL polariscope 2 and a ND filter 3；Described CPL polariscope 2 sets
In the annular of rear mirror frame 1, and it is rotationally connected with the inside side walls of rear mirror frame 1；One end fixture block notch of described ND filter 3
Detachable and rotation is adjustably connected with rear mirror frame 1, is positioned at the front of CPL polariscope 2.Differ only in, described rear mirror frame 1
Outside side wall is provided with the lock-bit parts as embodiment one, i.e. lock screw 313, and the outside side wall of described ND filter 3 is corresponding
Position is provided with limit sliding chutes；During assembling, described lock-bit parts (i.e. the end of the threaded portion of lock screw 313) are stuck in described spacing
In chute, and slide with being rotated in described limit sliding chutes of ND filter 3.,
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a multi-functional CPL polarisation, adjustable N D filter, it is characterised in that: include annular rear mirror frame (1), a CPL polarisation
Mirror (2) and a ND filter (3)；Described CPL polariscope (2) be located at described rear mirror frame (1) annular in, and with described rear mirror frame
(1) inside side walls is rotationally connected；One end of described ND filter (3) use fixture block notch detachably and rotation adjustably with
Described rear mirror frame (1) connects, and is positioned at the front of described CPL polariscope (2)；Wherein, described ND filter (3) is main by filter frame
(31) and be located on described filter frame (31) ND eyeglass (32) composition；The outside side wall of described filter frame (31) is provided with fixture block
(311)；The inside side walls of described rear mirror frame (1) is provided with the second draw-in groove (12) and the card entrance suitable with described fixture block (311)
(13)；During assembling, described fixture block (311) is in described card entrance (13) snaps in described second draw-in groove (12), and filters with described ND
Being rotated in described second draw-in groove (12) of mirror (3) is slided；
Being additionally provided with lock-bit parts on described filter frame (31), described rear mirror frame (1) is provided with limit towards the end face of described ND filter (3)
Position chute (14), or the outside side wall of described rear mirror frame (1) is provided with lock-bit parts, the outside side wall phase of described ND filter (3)
Position is answered to be provided with limit sliding chutes；During assembling, described lock-bit parts are stuck in described limit sliding chutes (14), and with described ND filter
(3) be rotated in described limit sliding chutes (14) is slided.
2. a multi-functional CPL polarisation, adjustable N D filter, it is characterised in that: include annular rear mirror frame (1), a CPL polarisation
Mirror (2) and a ND filter (3)；Described CPL polariscope (2) be located at described rear mirror frame (1) annular in, and with described rear mirror frame
(1) inside side walls is rotationally connected；One end of described ND filter (3) use fixture block notch detachably and rotation adjustably with
Described rear mirror frame (1) connects, and is positioned at the front of described CPL polariscope (2)；Wherein, described ND filter (3) is main by filter frame
(31) and be located on described filter frame (31) ND eyeglass (32) composition；The outside side wall of described filter frame (31) is provided with the second card
Groove and card entrance；The inside side walls relevant position of described rear mirror frame (1) is provided with the fixture block suitable with described card entrance；Assemble
Time, described fixture block in described card entrance snaps in described second draw-in groove, and with described ND filter (3) be rotated in described second card
Slide in groove；
Being additionally provided with lock-bit parts on described filter frame (31), described rear mirror frame (1) is provided with limit towards the end face of described ND filter (3)
Position chute, or the outside side wall of described rear mirror frame (1) is provided with lock-bit parts, the outside side wall corresponding positions of described ND filter (3)
Install limited location chute；During assembling, described lock-bit parts are stuck in described limit sliding chutes, and with the rotation of described ND filter (3)
Slide in described limit sliding chutes.
Multi-functional CPL polarisation the most according to claim 1 and 2, adjustable N D filter, it is characterised in that: described lock-bit parts
Be a lock screw (313), mainly held portion (315) by threaded portion (314) and tweezer and form, the one end of described threaded portion (314) with
Described tweezer is held portion (315) and is connected, and the other end is screwed into the screw hole (312) that described filter frame (31) is provided with, and end is stuck in described
In limit sliding chutes.
Multi-functional CPL polarisation the most according to claim 3, adjustable N D filter, it is characterised in that: described threaded portion (314)
To hold portion (315) one-body molded with tweezer.
5. according to the multi-functional CPL polarisation described in claim 1 or 2 or 4, adjustable N D filter, it is characterised in that: described CPL is inclined
Light microscopic (2) is mainly made up of rotating frame (21) and the CPL polaroid (22) being located on described rotating frame (21), described rotating frame
(21) outside side wall is provided with rotation convex tendon (211), and the inside side walls of described rear mirror frame (1) is provided with the first draw-in groove (11)；Assemble
Time, described rotation convex tendon (211) is stuck in described first draw-in groove (11) rotationally.
6. according to the multi-functional CPL polarisation described in claim 1 or 2 or 4, adjustable N D filter, it is characterised in that: described CPL is inclined
Light microscopic (2) mainly by rotating frame (21) and the CPL polaroid (22) be located on described rotating frame (21), described rotating frame (21)
Outside side wall is provided with the first draw-in groove, and the inside side walls of described rear mirror frame (1) is provided with rotation convex tendon；During assembling, described rotation convex tendon
It is stuck in rotationally in described first draw-in groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212228.2A CN103246037B (en) | 2013-05-31 | 2013-05-31 | A kind of multi-functional CPL polarisation, adjustable N D filter |
| PCT/CN2013/083087 WO2014190634A1 (en) | 2013-05-31 | 2013-09-07 | Multi-function cpl polarizing and adjustable nd filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212228.2A CN103246037B (en) | 2013-05-31 | 2013-05-31 | A kind of multi-functional CPL polarisation, adjustable N D filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103246037A CN103246037A (en) | 2013-08-14 |
| CN103246037B true CN103246037B (en) | 2016-12-28 |
Family
ID=48925666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310212228.2A Expired - Fee Related CN103246037B (en) | 2013-05-31 | 2013-05-31 | A kind of multi-functional CPL polarisation, adjustable N D filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103246037B (en) |
| WO (1) | WO2014190634A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246037B (en) * | 2013-05-31 | 2016-12-28 | 珠海市川富光学技术有限公司 | A kind of multi-functional CPL polarisation, adjustable N D filter |
| CN103885152B (en) * | 2014-04-11 | 2016-08-31 | 珠海市川富光学技术有限公司 | A kind of adjustable filter of changeable application model |
| US9933590B2 (en) * | 2015-01-27 | 2018-04-03 | Kabushiki Kaisha Tsuso | Camera filter frame and camera filter unit |
| CN105137700B (en) * | 2015-08-31 | 2017-10-10 | 韩冬冬 | A kind of filter support external member |
| TWI591395B (en) * | 2016-09-14 | 2017-07-11 | Three-ring filter set | |
| CN107844011B (en) * | 2016-09-18 | 2021-01-05 | 蒙天培 | Adjustable multi-ring polarized light-reducing lens set axially positioned by elastic clamping piece |
| TWI591413B (en) * | 2016-12-08 | 2017-07-11 | Microview Tech Corp | Bicyclic filter set |
| CN107526231B (en) * | 2017-09-29 | 2020-05-08 | 中国科学院长春光学精密机械与物理研究所 | Manual lens cap |
| US20210239890A1 (en) * | 2021-03-10 | 2021-08-05 | Polar Pro Filters, Inc. | Locking variable neutral density filter |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2492867Y (en) * | 2000-12-07 | 2002-05-22 | 金成发 | Multifunctional optical filter for camera and video camera |
| GB0702835D0 (en) * | 2007-02-14 | 2007-03-28 | Johnson Electric Sa | Lens module |
| KR200441242Y1 (en) * | 2007-06-14 | 2008-08-01 | 주식회사 세코닉스 | Apparatus for assembling of camera lens for lens assembling structure having horizontal and vertical control function |
| CN201716454U (en) * | 2009-03-30 | 2011-01-19 | 成都博高科技有限责任公司 | Optical filter connecting structure |
| CN201780445U (en) * | 2010-07-30 | 2011-03-30 | 青岛摄之宝摄影器材有限公司 | Quick connection ring |
| CN101980074A (en) * | 2010-10-12 | 2011-02-23 | 黄锐敏 | Method for applying polarized lens between lens and optical coupler |
| JP2013050473A (en) * | 2011-08-30 | 2013-03-14 | Marumi Koki Kk | Double frame dimmer filter for digital camera |
| JP3173116U (en) * | 2011-11-07 | 2012-01-26 | マルミ光機株式会社 | Filter support frame for digital cameras |
| CN202362519U (en) * | 2011-11-30 | 2012-08-01 | 徐静 | Integrated frame device with multiple optical filters |
| CN202563221U (en) * | 2012-05-08 | 2012-11-28 | 付瑞明 | Filter supporting frame |
| CN103246037B (en) * | 2013-05-31 | 2016-12-28 | 珠海市川富光学技术有限公司 | A kind of multi-functional CPL polarisation, adjustable N D filter |
| CN203414660U (en) * | 2013-05-31 | 2014-01-29 | 珠海市川富光学技术有限公司 | A multifunctional CPL polarizing adjustable ND filter |
-
2013
- 2013-05-31 CN CN201310212228.2A patent/CN103246037B/en not_active Expired - Fee Related
- 2013-09-07 WO PCT/CN2013/083087 patent/WO2014190634A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN103246037A (en) | 2013-08-14 |
| WO2014190634A1 (en) | 2014-12-04 |
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