CN203414660U - A multifunctional CPL polarizing adjustable ND filter - Google Patents
A multifunctional CPL polarizing adjustable ND filter Download PDFInfo
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- CN203414660U CN203414660U CN201320309692.9U CN201320309692U CN203414660U CN 203414660 U CN203414660 U CN 203414660U CN 201320309692 U CN201320309692 U CN 201320309692U CN 203414660 U CN203414660 U CN 203414660U
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- filter
- cpl
- frame
- adjustable
- rear mirror
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Abstract
The utility model relates to a multifunctional CPL polarizing adjustable ND filter comprising an annular rear frame, a CPL polarizer, and a ND filter. The CPL polarizer is disposed in the annular ring of the rear frame and is in rotatable connection with the inner sidewall of the rear frame. A clamping block and clamping groove structure on one end of the ND filter is in detachable and rotatably-adjustable connection with the rear frame. The ND filter is in front of the CPL polarizer. Thus, just with one multifunctional CPL polarizing adjustable ND filter described in the utility model, a user may satisfy the requirements of a CPL polarizing function and an adjustable ND function. Therefore, repeated product purchase is prevented and expenditure is greatly saved. Further, the multifunctional CPL polarizing adjustable ND filter is easy and convenient to carry and conserve. The switching of the CPL polarizing function and the adjustable ND function is achieved just by disassembling and assembling the ND filter, achieving very simple, convenient, and fast manipulation.
Description
Technical field
The utility model relates to camera filter regulation technology field, relates to a kind of multi-functional CPL polarisation, adjustable N D filter.
Background technology
At present, CPL polariscope and ND mirror (middle gray density mirror) are all filters conventional on slr camera; Wherein, CPL polariscope mainly plays CPL polarisation function, for weakening reflected light, commonly uses to filter windowpane reflected light, makes glass more Clear & Transparent, and also the aerial polarized light in sky in order to filter, makes the contrast between horizon more clear, true; ND mirror is mainly used in reducing logical light quantity, in the strong outdoor shooting of sunlight, or need to be under ordinary ray condition during with longer time shutter, all need to use ND mirror to be assisted.If user will just must configure a CPL polariscope and a ND mirror for camera increases this two function, spend higher, carry and preserve very trouble, inconvenience, and these CPL polariscopes and ND mirror are to be all arranged separately in respectively on camera lens by helicitic texture is set, while carrying out CPL polarisation function and the switching of adjustable N D function, CPL polariscope must be unloaded to the upper ND mirror of assembling again, or ND mirror is unloaded to the upper CPL polariscope of assembling again, very time-consuming, inconvenient operation.
Utility model content
For solving the above-mentioned problems in the prior art, the utility model provides a kind of user only need buy the demand that a filter can meet CPL polarisation function and adjustable N D function, reduce and repeat to buy, reduce expenses, carry simultaneously and preserve easily, convenient, simple, convenient, multi-functional CPL polarisation, adjustable N D filter efficiently.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
CPL polarisation, an 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 detachable and rotate adjustablely and be connected with described rear mirror frame, is positioned at the place ahead of described CPL polariscope.
Further, described ND filter is mainly comprised of filter frame and the ND eyeglass of being located on described filter frame; The outside sidewall of described filter frame is provided with fixture block; The inside side walls of described rear mirror frame be provided with the second draw-in groove and with described fixture block suitable snap in mouth; During assembling, described fixture block through described in snap in and mouthful snap in described the second draw-in groove, and with sliding in described the second draw-in groove of being rotated in of described ND filter.
Or the outside sidewall of described filter frame is provided with the second draw-in groove and snaps in mouth; The inside side walls relevant position of described rear mirror frame is provided with and the described mouthful suitable fixture block that snaps in; During assembling, described fixture block through described in snap in and mouthful snap in described the second draw-in groove, and with sliding in described the second draw-in groove of being rotated in of described ND filter.
Further, on described filter frame, be also provided with lock-bit parts, described rear mirror frame is provided with limit sliding chutes towards the end face of described ND filter, or the outside sidewall of described rear mirror frame is provided with lock-bit parts, and the sidewall relevant position, outside of described ND filter is provided with limit sliding chutes; During assembling, described lock-bit parts are stuck in described limit sliding chutes, and with sliding in the described limit sliding chutes of being rotated in of described ND filter.
Further, described lock-bit parts are lock screw, mainly threaded portion and the tweezer portion of holding, consist of, and one end of described threaded portion is connected with the described tweezer portion of holding, and the other end is screwed into the screw hole that described filter frame is provided with, and end is stuck in described limit sliding chutes.
Further, it is one-body molded that described threaded portion and tweezer are held portion.
Further, described CPL polariscope is mainly comprised of rotating frame and the CPL polaroid of being located on described rotating frame, and the outside sidewall 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 rotation convex tendon is stuck in described the first draw-in groove rotationally.
Further, described CPL polariscope is mainly by rotating frame and be located at the CPL polaroid on described rotating frame, and the outside sidewall of described 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 the first draw-in groove rotationally.
The beneficial effects of the utility model are:
The utility model passes through technique scheme, user only need buy the demand that multi-functional CPL polarisation described in the utility model, an adjustable N D filter can meet CPL polarisation function and adjustable N D function, reduced repeated product purchase, greatly saved spending, carry simultaneously and preserve easily, conveniently, and only need can complete the switching of CPL polarisation function and adjustable N D function by dismounting, assembling ND filter, operate very simple, convenient, fast.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of a kind of multi-functional CPL polarisation described in the utility model, adjustable N D filter embodiment mono-;
Fig. 2 is the sectional structure schematic diagram of a kind of multi-functional CPL polarisation described in the utility model, adjustable N D filter embodiment mono-;
Fig. 3 is the plan structure schematic diagram of rear mirror frame in a kind of multi-functional CPL polarisation described in the utility model, adjustable N D filter embodiment mono-;
Fig. 4 be in a kind of multi-functional CPL polarisation described in the utility model, adjustable N D filter embodiment mono-ND filter look up structural representation;
Fig. 5 is the sectional structure schematic diagram of a kind of multi-functional CPL polarisation described in the utility model, adjustable N D filter embodiment bis-.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment mono-:
As shown in Figure 1 to Figure 4, a kind of multi-functional CPL polarisation, adjustable N D filter described in the utility model embodiment mono-, include an annular rear mirror frame 1, a CPL polariscope 2 and a ND filter 3; Described CPL polariscope 2 is located in the annular of rear mirror frame 1, and is rotationally connected with the inside side walls of rear mirror frame 1; One end fixture block notch of described ND filter 3 is detachable and rotate adjustablely and be connected with rear mirror frame 1, is positioned at the place ahead of CPL polariscope 2.Concrete structure can be:
Described CPL polariscope 2 is mainly comprised of rotating frame 21 and CPL polaroid 22; Wherein, described CPL polaroid 22 is located in rotating frame 21 and by spinning ring 221 and is fixed; The outside sidewall of described rotating frame 21 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; Described ND filter 3 is mainly comprised 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 sidewall of described filter frame 31 is provided with fixture block 311; The inside side walls of described rear mirror frame 1 be provided with the second draw-in groove 12 and with fixture block 311 suitable snap in mouthfuls 13; On described filter frame 31, be also provided with lock-bit parts, described lock-bit parts are lock screw 313, mainly by threaded portion 314 and tweezer, hold portion 315 and form, and one end of described threaded portion 314 is held portion 315 with tweezer and is connected, and one-body molded; Described rear mirror frame 1 is provided with limit sliding chutes 14 towards the end face of ND filter 3.
During assembling, first CPL polariscope 2 is installed in the annular of rear mirror frame 1, and the rotation convex tendon 211 of rotating frame 21 is stuck in the first draw-in groove 11 of rear mirror frame 1 rotationally; Then the fixture block 311 on ND filter 3 filter frames 31 mouthfuls 13 is snapped in the second draw-in groove 12 through snapping in of rear mirror frame 1, make fixture block 311 be rotated in the interior slip of the second draw-in groove 12 with ND filter 3; Finally lock screw 313 is screwed into the screw hole 312 that filter frame 31 is provided with, the end of its threaded portion 314 is stuck in limit sliding chutes 14, and be rotated in the interior slip of limit sliding chutes 14 with ND filter 3.
During use, the external thread that multi-functional CPL polarisation described in the utility model, the adjustable N D filter outside sidewall by rear mirror frame 1 rear end is 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, fixture block 311 is positioned at while snapping in mouthful 13 place, can be by 3 dismountings of ND filter, separated with rear mirror frame 1, now multi-functional CPL polarisation, adjustable N D filter have CPL polarisation function.
Like this, user only need buy the demand that multi-functional CPL polarisation described in the utility model, an adjustable N D filter can meet CPL polarisation function and adjustable N D function, reduced repeated product purchase, greatly saved spending, carry simultaneously and preserve easily, conveniently, and only need can complete the switching of CPL polarisation function and adjustable N D function by dismounting, assembling ND filter 3, operate very simple, convenient, fast.
Certainly, fixture block notch between described ND filter 3 and rear mirror frame 1 can be also: the outside sidewall of described filter frame 31 is provided with the second draw-in groove as hereinbefore and snaps in mouth, the inside side walls relevant position of described rear mirror frame 1 is provided with this and snaps in a mouthful suitable fixture block, and is provided with limit sliding chutes towards the end face of ND filter 3; On described filter frame 31, be also provided with lock-bit parts (being lock screw 313); During assembling, described fixture block is also to snap in described the second draw-in groove through the described mouth that snaps in, and slides with being rotated in the second draw-in groove of ND filter 3, and described lock-bit parts are stuck in described limit sliding chutes, and with sliding in the described limit sliding chutes of being rotated in of ND filter 3.The outside sidewall of described rotating frame 21 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 is stuck in described the first draw-in groove rotationally.
Embodiment bis-:
As shown in Figure 5, a kind of multi-functional CPL polarisation described in the utility model embodiment bis-, the structure of adjustable N D filter are basic identical with embodiment mono-, include an annular rear mirror frame 1, a CPL polariscope 2 and a ND filter 3; Described CPL polariscope 2 is located in the annular of rear mirror frame 1, and is rotationally connected with the inside side walls of rear mirror frame 1; One end fixture block notch of described ND filter 3 is detachable and rotate adjustablely and be connected with rear mirror frame 1, is positioned at the place ahead of CPL polariscope 2.Distinguish and be only, the outside sidewall of described rear mirror frame 1 is provided with the lock-bit parts same with embodiment mono-, and lock screw 313, and the sidewall relevant position, outside of described ND filter 3 is provided with limit sliding chutes; During assembling, described lock-bit parts (being the end of the threaded portion of lock screw 313) are stuck in described limit sliding chutes, and with sliding in the described limit sliding chutes of being rotated in of ND filter 3.，
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (9)
1. multi-functional CPL polarisation, an adjustable N D filter, is characterized in that: include an annular rear mirror frame (1), a CPL polariscope (2) and a ND filter (3); Described CPL polariscope (2) is located in the annular of described rear mirror frame (1), and is rotationally connected with the inside side walls of described rear mirror frame (1); One end of described ND filter (3) adopts fixture block notch detachably and rotates adjustablely and is connected with described rear mirror frame (1), is positioned at the place ahead of described CPL polariscope (2).
2. multi-functional CPL polarisation according to claim 1, adjustable N D filter, is characterized in that: described ND filter (3) is mainly comprised of filter frame (31) and the ND eyeglass (32) be located on described filter frame (31); The outside sidewall of described filter frame (31) is provided with fixture block (311); The inside side walls of described rear mirror frame (1) be provided with the second draw-in groove (12) and with described fixture block (311) suitable snap in mouthful (13); During assembling, described fixture block (311) through described in snap in mouthful (13) and snap in described the second draw-in groove (12), and with sliding in described the second draw-in groove of being rotated in of described ND filter (3) (12).
3. multi-functional CPL polarisation according to claim 2, adjustable N D filter, it is characterized in that: on described filter frame (31), be also provided with lock-bit parts, described rear mirror frame (1) is provided with limit sliding chutes (14) towards the end face of described ND filter (3), or the outside sidewall of described rear mirror frame (1) is provided with lock-bit parts, the sidewall relevant position, outside of described ND filter (3) is provided with limit sliding chutes; During assembling, described lock-bit parts are stuck in described limit sliding chutes (14), and slide with being rotated in described limit sliding chutes (14) of described ND filter (3).
4. multi-functional CPL polarisation according to claim 1, adjustable N D filter, is characterized in that: described ND filter (3) is mainly comprised of filter frame (31) and the ND eyeglass (32) be located on described filter frame (31); The outside sidewall of described filter frame (31) is provided with the second draw-in groove and snaps in mouth; The inside side walls relevant position of described rear mirror frame (1) is provided with and the described mouthful suitable fixture block that snaps in; During assembling, described fixture block through described in snap in and mouthful snap in described the second draw-in groove, and with sliding in described the second draw-in groove of being rotated in of described ND filter (3).
5. multi-functional CPL polarisation according to claim 4, adjustable N D filter, it is characterized in that: on described filter frame (31), be also provided with lock-bit parts, described rear mirror frame (1) is provided with limit sliding chutes towards the end face of described ND filter (3), or the outside sidewall of described rear mirror frame (1) is provided with lock-bit parts, the sidewall relevant position, outside of described ND filter (3) is provided with limit sliding chutes; During assembling, described lock-bit parts are stuck in described limit sliding chutes, and slide with being rotated in described limit sliding chutes of described ND filter (3).
6. according to the multi-functional CPL polarisation described in claim 3 or 5, adjustable N D filter, it is characterized in that: described lock-bit parts are a lock screw (313), mainly by threaded portion (314) and tweezer, holding portion (315) forms, one end of described threaded portion (314) is held portion (315) with described tweezer and is connected, the other end is screwed into the screw hole (312) that described filter frame (31) is provided with, and end is stuck in described limit sliding chutes.
7. multi-functional CPL polarisation according to claim 6, adjustable N D filter, is characterized in that: it is one-body molded that described threaded portion (314) and tweezer are held portion (315).
8. according to multi-functional CPL polarisation, the adjustable N D filter described in any one in claim 1 to 5, it is characterized in that: described CPL polariscope (2) is mainly comprised of rotating frame (21) and the CPL polaroid (22) be located on described rotating frame (21), the outside sidewall of described rotating frame (21) 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); During assembling, described rotation convex tendon (211) is stuck in described the first draw-in groove (11) rotationally.
9. according to multi-functional CPL polarisation, the adjustable N D filter described in any one in claim 1 to 5, it is characterized in that: described CPL polariscope (2) is mainly by rotating frame (21) be located at the CPL polaroid (22) on described rotating frame (21), the outside sidewall of described rotating frame (21) 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 is stuck in described the first draw-in groove rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320309692.9U CN203414660U (en) | 2013-05-31 | 2013-05-31 | A multifunctional CPL polarizing adjustable ND filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320309692.9U CN203414660U (en) | 2013-05-31 | 2013-05-31 | A multifunctional CPL polarizing adjustable ND filter |
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| Publication Number | Publication Date |
|---|---|
| CN203414660U true CN203414660U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320309692.9U Expired - Lifetime CN203414660U (en) | 2013-05-31 | 2013-05-31 | A multifunctional CPL polarizing adjustable ND filter |
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| CN (1) | CN203414660U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246037A (en) * | 2013-05-31 | 2013-08-14 | 珠海市川富光学技术有限公司 | Multifunctional CPL polarizing and adjustable ND filter |
| CN107209439A (en) * | 2015-01-27 | 2017-09-26 | 茨所株式会社 | Camera filter framework and camera filter unit |
| CN110032021A (en) * | 2019-03-14 | 2019-07-19 | 晶积科技股份有限公司 | Two ring type filter groups |
-
2013
- 2013-05-31 CN CN201320309692.9U patent/CN203414660U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246037A (en) * | 2013-05-31 | 2013-08-14 | 珠海市川富光学技术有限公司 | Multifunctional CPL polarizing and adjustable ND filter |
| CN107209439A (en) * | 2015-01-27 | 2017-09-26 | 茨所株式会社 | Camera filter framework and camera filter unit |
| CN107209439B (en) * | 2015-01-27 | 2019-09-20 | 茨所株式会社 | Camera filter frame and camera filter unit |
| CN110032021A (en) * | 2019-03-14 | 2019-07-19 | 晶积科技股份有限公司 | Two ring type filter groups |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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