CN110032021A - Two ring type filter groups - Google Patents
Two ring type filter groups Download PDFInfo
- Publication number
- CN110032021A CN110032021A CN201910193692.9A CN201910193692A CN110032021A CN 110032021 A CN110032021 A CN 110032021A CN 201910193692 A CN201910193692 A CN 201910193692A CN 110032021 A CN110032021 A CN 110032021A
- Authority
- CN
- China
- Prior art keywords
- ring
- ring portion
- filter
- slotted
- interior
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Blocking Light For Cameras (AREA)
- Eye Examination Apparatus (AREA)
Abstract
A kind of two ring type filter groups, it includes a slotted ring, the lens collar being set on the outside of the slotted ring and the adjustment ring being installed on the inside of the slotted ring and a pressure ring, it is installed with filter and a drive rod in one in the adjustment ring, is installed with an outer filter on the pressure ring.When selecting polariscope as the outer filter, the adjustable dim light mirror of selection as the interior filter, user can be allowed to rotate the outer filter first to adjust polarization effect, the light for having just enter into the two ring types filter group is allowed to first pass through the polarization processing of the outer filter, then this is individually driven to be located at the rotation of the interior filter of rear side via the drive rod of the protrusion again, further to adjust the dimming effect of the interior filter, achieve the purpose that adjust into light quantity and picture brightness degree, to obtain the photographic work for being formed with Peculiar Photographs effect.
Description
Technical field
It a kind of can adjust the present invention relates to a kind of filter group more particularly to by the relative angular position of adjustment two panels filter
Two ring type filter groups of whole filtering effects.
Background technique
Filter is a kind of radiography assisting device being installed in front of camera lens, also can be to light in addition to that can be used to protect camera lens
Different-waveband carries out selective absorbing, to form special effect of shadow on photographic work.General common filter has partially
Light microscopic and dim light mirror: the principle of polariscope is mainly designed to that the light of a certain optical axis is only allowed to pass through, and will not have deflection polarity
Natural light be converted into polar biased light, therefore polariscope can eliminate the reflector filter on non-metallic object surface, the water surface etc., make
Color is more bright-coloured;Dim light mirror is then that can reduce into light quantity, therefore camera can be helped to reduce shutter speed, in the feelings of strong illumination
Under condition, large aperture still can be used to take the effect of the shallow depth of field.
The filter group of the prior art, such as TaiWan, China certificate number I 591413 " two ring type filter groups " patents of invention
Shown in case, there is a stop collar, the outside and position of the stop collar, which correspond to, is arranged a lock ring at the rear end of the stop collar, the lock
Ring can connect with a camera lens, and the inside of the stop collar is sequentially equipped with a fixed filter, a tune from the rear end of the stop collar to front end
The domain and a pressure ring, the fixation filter combine fixation with the stop collar, which can be driven and the opposite stop collar turns
Dynamic, and the adjustment ring is equipped with a rotation filter, which removably connects with the stop collar, and by the adjustment ring
Limit prevents the adjustment ring from dropping out from the stop collar in the stop collar.The filter group of the above-mentioned prior art when in use, uses
Person can to drive the fixation filter and the rotation filter simultaneously while rotate by the stop collar is rotated, also can be before individually this is located at
The rotation filter of side rotates, to achieve the purpose that adjust the filter effect of the filter group.
Wherein, for professional photographers, when selecting polariscope and adjustable dim light mirror as being made in a filter group
When two filters, it may be desirable to polariscope are installed in the front side of the filter group, the adjustable dim light mirror is installed in the filter
The rear side of group allows the light into the filter group that can first pass through the polarization processing of the polariscope, then via the adjustable dim light
Mirror is adjusted into light quantity and picture brightness degree, and when being adjusted, and the angle of the polariscope is first adjusted, then adjust again
The angle of the whole adjustable dim light mirror.It is to select the polariscope as rotation for the filter group of the above-mentioned prior art
Filter selects the adjustable dim light mirror as fixed filter.
Although however, the filter group of the above-mentioned prior art can individually rotate, adjust this as rotation filter polariscope,
But when further to rotate, adjust the adjustable dim light mirror as fixed filter, it will rotate and adjust just now simultaneously
Polariscope causes constantly adjust the angle that the polariscope closes the adjustable dim light mirror back and forth, cause using upper inconvenience, therefore
The filter group of the prior art still needs further to be improved.
Summary of the invention
In view of the problems of aforementioned prior art, the purpose of the present invention is to provide a kind of two ring type filter groups,
It can individually adjust the filter positioned at rear side.
To achieve the above object, the technological means that the present invention uses is to make one or the two ring type filter groups include:
One slotted ring has in one axial ring portion after radial ring portion, one, a front axle to ring portion and an arc guide barrel, this
Interior radial direction ring portion radially extends, and the rear side of rear axial ring portion from an interior ring edge towards the slotted ring of the interior radial ring portion is axial
Extend, the front side of the front axle to ring portion from an outer ring edge towards the slotted ring of the interior radial ring portion is axially extending, the arc guide barrel
The front axle is formed through to ring portion;
One lens collar, is set in the interior radial ring portion of the slotted ring and the outside of rear axial ring portion, and with the slotted ring
It is interlockingly connected;
One adjustment ring is located at the front axle of the slotted ring into the circular space of ring portion with being able to rotate;
Filter in one is located in the circular space of the adjustment ring, and combine fixation with the adjustment ring;
One drive rod runs through the arc guide barrel of the slotted ring and is fixed in the adjustment ring;
One pressure ring is installed in the front axle of the slotted ring into the circular space of ring portion, and with the front axle to ring portion with
Dismountable mode is mutually assembled, and aforementioned adjustment ring is limited between the pressure ring and the interior radial ring portion of the slotted ring;
One outer filter is located in the circular space of the pressure ring, and combine fixation with the pressure ring.
In two above-mentioned ring type filter groups:
The slotted ring can further have a stop ledge, which is located at an outer ring of the front axle to ring portion
Face, and it is located at the arc guide barrel and the front axle between a front-end edge of ring portion;
The lens collar can have one to combine ring portion and an outer radial ring portion, this combines ring portion to axially extend and be set in
The outside of the rear axial ring portion, the outer radial ring portion combine ring portion to radially extend and are set in the outer of the interior radial ring portion from this
Side, and the outer radial ring portion further stretches out outer ring surface of the front axle to ring portion, thus in the outer radial ring portion and the backstop
An annular groove is formed between protrusion;
The two ring types filter group can further comprise an outer sleeve, which is set in the slotted ring with being able to rotate
Front axle is in ring portion and position is in the annular groove, and a perforation is formed through on the outer sleeve;
The drive rod is fixed in the adjustment ring through the perforation of the lantern ring and the arc guide barrel of the slotted ring.
The radian of the arc guide barrel of the slotted ring can be less than pi/2.
An external screw thread can be formed on the outer ring surface of the combination ring portion of the lens collar.
The outer filter can be polariscope, and the interior filter can be adjustable dim light mirror.
The advantages of two ring type filter group of the invention is, when select polariscope as the outer filter, select it is adjustable
When dim light mirror is as the interior filter, user can be allowed to rotate the outer filter first to adjust polarization effect, allow and have just enter into two ring
The light of formula filter group first passes through the polarization processing of the outer filter, then individually drives this via the drive rod of the protrusion again
Interior filter positioned at rear side rotates, and further to adjust the dimming effect of the interior filter, reaches and adjusts into light quantity and picture brightness
The purpose of degree, to obtain the photographic work for being formed with Peculiar Photographs effect.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is diagrammatic side-view cross-sectional enlarged drawing of the invention;
Fig. 2 is diagrammatic side-view cross-sectional exploded view of the invention;
Fig. 3 is diagrammatic side-view cross-sectional enlargement decomposition of the invention;
Fig. 4 is slotted ring of the invention, adjustment ring, the stereogram exploded view of outer sleeve and drive rod.
Specific embodiment
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing:
Referring to shown in Fig. 1 and Fig. 2, two ring type filter groups of the invention include a slotted ring 10, a lens collar 20, one adjustment
Filter 31, an outer sleeve 40, a drive rod 50, a pressure ring 60 and an outer filter 61 in ring 30, one.
Referring to fig. 2 to shown in Fig. 4, which has in one after radial ring portion 11, one before axial ring portion 12, one for cooperation
Axial ring portion 13, an arc guide barrel 14 and a stop ledge 15.
The interior radial ring portion 11 radially extends and has an interior ring edge and an outer ring edge.The rear axial ring portion 12 is interior from this
The rear side of interior ring edge towards the slotted ring 10 of radial ring portion 11 is axially extending.The front axle is to ring portion 13 from the interior radial ring portion 11
The front side of outer ring edge towards the slotted ring 10 is axially extending, which has an outer ring surface and a front-end edge to ring portion 13.
The arc guide barrel 14 is formed through the front axle to ring portion 13, and the radian of the arc guide barrel 14 is less than pi/2, that is,
Central angle corresponding to the arc guide barrel 14 is less than 90 degree.15 ring of stop ledge is located at outer ring of the front axle to ring portion 13
Face, and it is located at the arc guide barrel 14 and the front axle between the front-end edge of ring portion 13.As shown in figure 4, in specific reality of the invention
It applies in mode, the stop ledge 15 is circular in one, and but not limited to this, which also can be by multiple spaced
And circlewise convex block is constituted.
The lens collar 20 is set in the interior radial ring portion 11 of the slotted ring 10 and the outside of rear axial ring portion 12, and opens with this
Grooved ring 10 is interlockingly connected, and the slotted ring 10 is enable to rotate relative to the lens collar 20, which has one to combine outside ring portion 21, one
Radial ring portion 22 and an external screw thread 23.This combines 21 system of ring portion to axially extend and is set in the outside of the rear axial ring portion 12,
This combines ring portion 21 to have an outer ring surface.The outer radial ring portion 22 combines ring portion 21 to radially extend and is set in the internal diameter from this
To the outside of ring portion 11, in addition, the outer radial ring portion 22 further stretches out outer ring surface of the front axle to ring portion 13, thus outer at this
An annular groove AA is formed between radial ring portion 22 and the stop ledge 15, the arc guide barrel 14 of aforementioned slotted ring 10 is corresponding to be located at the ring
The bottom of slot AA.The external screw thread 23 is formed in the outer ring surface for combining ring portion 21, which can be with the front end institute of a camera lens
If internal screw thread be connected with group, two ring type filter groups of the invention are installed on the camera lens.
The adjustment ring 30 is located at the front axle of the slotted ring 10 into the circular space of ring portion 13 with being able to rotate.The interior filter
31 are located in the circular space of the adjustment ring 30, and combine fixation with the adjustment ring 30.
The outer sleeve 40 is set in the front axle of the slotted ring 10 with being able to rotate in ring portion 13 and position is in annular groove AA, should
A perforation 41 is formed through on outer sleeve 40, the position of the perforation 41 corresponds to the arc guide barrel 14 of the slotted ring 10.
The drive rod 50 is fixed in the adjustment through the perforation 41 of the lantern ring 41 and the arc guide barrel 14 of the slotted ring 10
Ring 30, user can drive the adjustment ring 30 and the interior filter 31 by driving the drive rod 50 to move along the arc guide barrel 14
And the outer sleeve 40 rotation, and since the outer sleeve 40 covers the arc guide barrel 14, therefore can avoid dust via the arc
Guide groove 14 enters the inside of the two ring types filter group.
The pressure ring 60 is installed in the front axle of the slotted ring 10 into the circular space of ring portion 13, and with the front axle to ring portion
13 are removably mutually assembled, and aforementioned adjustment ring 30 is limited in the pressure ring 60 and the interior radial ring portion of the slotted ring 10
Between 11.In a specific embodiment of the invention, the pressure ring 60 and the front axle are to ring portion 13 mutual group via helicitic texture
It connects.The outer filter 61 is located in the circular space of the pressure ring 60, and combines fixation with the pressure ring 60.
By design as described above, which can select polariscope, which can select adjustable dim light
Mirror, in this way, when two ring type filter groups of the invention are installed on camera lens in use, the light into the two ring types filter group can be first
Via outer filter 61 filtering, eliminate it is reflective, then again via the further dim light of interior filter 31.Therefore user is actually using
When, it can first rotate the slotted ring 10 while the outer filter 61 and interior filter 31 being driven to rotate, to adjust disappearing for the outer filter 61
Except reflective polarization effect, the light for having just enter into the two ring types filter group is allowed to first pass through the polarization processing of the outer filter 61;To
The polarization effect of the outer filter 61 is adjusted and then this is individually driven to be located in rear side via the drive rod 50 of the protrusion
Filter 31 rotates, and further to adjust the dimming effect of the interior filter 31, achievees the purpose that adjust into light quantity and picture brightness degree,
To obtain the photographic work for being formed with Peculiar Photographs effect.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (6)
1. a kind of two ring type filter groups comprising a slotted ring, a lens collar, an adjustment ring, filter, a drive rod, one in one
Pressure ring and an outer filter, it is characterised in that:
The slotted ring has in one axial ring portion after radial ring portion, one, a front axle to ring portion and an arc guide barrel, the interior radial direction ring
Portion radially extends, and the rear side of rear axial ring portion from an interior ring edge towards the slotted ring of the interior radial ring portion is axially extending, should
The front side of front axle to ring portion from an outer ring edge towards the slotted ring of the interior radial ring portion is axially extending, which is formed there through
In the front axle to ring portion;
The lens collar is set in the interior radial ring portion of the slotted ring and the outside of rear axial ring portion, and is interlockingly connected with the slotted ring;
The adjustment ring is located at the front axle of the slotted ring into the circular space of ring portion with being able to rotate;
The interior filter is located in the circular space of the adjustment ring, and combines fixation with the adjustment ring;
The drive rod runs through the arc guide barrel of the slotted ring and is fixed in the adjustment ring;
The pressure ring is installed in the front axle of the slotted ring into the circular space of ring portion, and with the front axle to ring portion can dismantle
Mode be mutually assembled, aforementioned adjustment ring is limited between the interior radial ring portion of the pressure ring and the slotted ring;
The outer filter is located in the circular space of the pressure ring, and combines fixation with the pressure ring.
2. two ring types filter group according to claim 1, it is characterised in that:
Aforementioned slotted ring further has a stop ledge, which is located at an outer ring surface of the front axle to ring portion, and
Positioned at the arc guide barrel and the front axle between a front-end edge of ring portion;
Aforementioned lens collar has one to combine ring portion and an outer radial ring portion, this combines ring portion to axially extend and be set in the rear axle
To the outside of ring portion, which combines ring portion to radially extend and is set in the outside of the interior radial ring portion from this, and
The outer radial ring portion further stretches out outer ring surface of the front axle to ring portion, thus the outer radial ring portion and the stop ledge it
Between form an annular groove;
The two ring types filter group further comprises an outer sleeve, which is set in the preceding axial rings of the slotted ring with being able to rotate
In portion and position is formed through a perforation in the annular groove on the outer sleeve;
Aforementioned drive rod is fixed in the adjustment ring through the perforation of the lantern ring and the arc guide barrel of the slotted ring.
3. two ring types filter group according to claim 1, which is characterized in that the radian of the arc guide barrel of aforementioned slotted ring is small
In pi/2.
4. two ring types filter group according to claim 2, which is characterized in that the radian of the arc guide barrel of aforementioned slotted ring is small
In pi/2.
5. two ring types filter group according to any one of claim 1 to 4, which is characterized in that the combination of aforementioned lens collar
An external screw thread is formed on the outer ring surface of ring portion.
6. two ring types filter group according to any one of claim 1 to 4, which is characterized in that aforementioned outer filter is polarisation
Mirror, aforementioned interior filter are adjustable dim light mirror.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910193692.9A CN110032021A (en) | 2019-03-14 | 2019-03-14 | Two ring type filter groups |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910193692.9A CN110032021A (en) | 2019-03-14 | 2019-03-14 | Two ring type filter groups |
Publications (1)
Publication Number | Publication Date |
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CN110032021A true CN110032021A (en) | 2019-07-19 |
Family
ID=67236028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910193692.9A Pending CN110032021A (en) | 2019-03-14 | 2019-03-14 | Two ring type filter groups |
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CN (1) | CN110032021A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN106802531A (en) * | 2016-09-14 | 2017-06-06 | 晶积科技股份有限公司 | Three-ring filter set |
CN106814523A (en) * | 2016-12-27 | 2017-06-09 | 晶积科技股份有限公司 | Two ring type filter groups |
CN206819028U (en) * | 2017-06-06 | 2017-12-29 | 惠州市铂锐精密光学有限公司 | Filter support |
US20180052332A1 (en) * | 2016-08-17 | 2018-02-22 | Tien-Pei MENG | Adjustable multiple-ring polarizing nd filter assembly with elastic engaging member for axial ring securement |
CN108828763A (en) * | 2018-05-28 | 2018-11-16 | 晶积科技股份有限公司 | Two ring type filter groups |
-
2019
- 2019-03-14 CN CN201910193692.9A patent/CN110032021A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US20180052332A1 (en) * | 2016-08-17 | 2018-02-22 | Tien-Pei MENG | Adjustable multiple-ring polarizing nd filter assembly with elastic engaging member for axial ring securement |
CN106802531A (en) * | 2016-09-14 | 2017-06-06 | 晶积科技股份有限公司 | Three-ring filter set |
CN106814523A (en) * | 2016-12-27 | 2017-06-09 | 晶积科技股份有限公司 | Two ring type filter groups |
CN206819028U (en) * | 2017-06-06 | 2017-12-29 | 惠州市铂锐精密光学有限公司 | Filter support |
CN108828763A (en) * | 2018-05-28 | 2018-11-16 | 晶积科技股份有限公司 | Two ring type filter groups |
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PB01 | Publication | ||
PB01 | Publication | ||
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Application publication date: 20190719 |