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Filter support

A technology of filters and mirror clips, which is applied in installation, optics, instruments, etc., can solve problems such as unfavorable outdoor use, inability to enter light vertically, troublesome installation, etc., and achieve convenient and quick installation and adjustment, small light dimming effect, Effect to prevent entrance of stray light

Inactive Publication Date: 2014-01-15
HUIZHOU PROGREY PRECISION OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using a CPL polarizer, the angle of the CPL polarizer needs to be adjusted at any time, and the CPL polarizer is often reversed, so there is a certain obstacle when it is used with other filters and affects the effect of photography
In order to cooperate with different filters and achieve more creative photography effects, a filter holder peripheral device has appeared. For the fixed bracket body, in the prior art, the filter bracket is provided with an inner ring for connecting with the adapter ring, and three slider buttons and fixed sliders are arranged at its upper and lower ends, although the three slider buttons can It is very firmly connected with the adapter ring, but it is cumbersome and complicated to install. The installation process is as follows: you need to adjust the second pull button on the lower part first, so that the corresponding second fixed slider is extended, and the adapter ring is inserted into the slot. to the two fixed sliders on the lower part of the bracket, then pull up the pull button on the upper part of the bracket, then close the upper part of the bracket to the adapter ring, release the pull button so that the elastic sliders enter the slot of the adapter ring, and finally fine-tune the two buttons on the lower part of the bracket. One knob, visually observe, make the adapter ring in the middle of the bracket; if the adapter ring and the bracket are not aligned, it will affect the photography
[0003] The installation of the mirror clip is complicated. The current mirror clip is a group of thin clips, clips, and pressing sheets that are fixed on the filter holder through screws, and then choose to add thin clips and clips according to the number of filters that need to be placed. This kind of design needs to take out the original installed thin clips, clips, and pressing sheets every time it is added, and then rearrange and install them on the filter holder. The operation is cumbersome and is not conducive to outdoor use; in addition to the current The clip generally adopts an upward bending part in the middle, and the force of fixing the lens is formed through the bending part. This design may easily cause some resin lenses to appear slightly curved, so that the light cannot enter the lens vertically when taking pictures, which will affect the quality of the pictures. certain influence; the filter holder and the mirror clip of the prior art are limited by technology, when the mirror clip is installed on the filter holder, the edge of the inner ring of the filter holder will be partially blocked by the mirror clip, and the existing filter The thickness of the mirror bracket is relatively thick, and the defects of the two cause the wide-angle focal length of the lens to be low

Method used

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] figure 1 A filter holder according to the invention is schematically shown.

[0025] According to one aspect of the present invention, a filter holder is provided, such as figure 1 Shown includes the bracket body 001 and the mirror clip 002 installed on the bracket body 001:

[0026] The bracket body 001 is integrally formed by precision machining of 6061T aluminum alloy. It has a square structure as a whole, and hard anodized treatment is performed on its surface to form a hard oxide film layer. The use of 6061T aluminum alloy ensures the support strength of the bracket body 001 while ensuring the pressure resistance, wear resistance and low temperature resistance of the bracket body 001. It will not be deformed after long-term use. A hard oxide film layer is set on the surface to increase the wear resistance of the surface degree, thereby increasi...

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PUM

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Abstract

The invention discloses a filter support which comprises a support body and filter clamps installed on the support body. The support body is overall of a square structure, a lens circular hole used for light fetching and camera shooting is formed in the middle of the support body, installation holes where the filter clamps are installed are formed in the two sides of the support body, a clamping groove where a connection ring is installed is formed in the back face of the support body, the periphery of the lens circular hole is surrounded with the clamping groove, a fixing block and a locking mechanism are arranged at the edge of the clamping groove, each filter clamp comprises pressing sheets, thin clamping sheets and clamping sheets, the pressing sheets, the thin clamping sheets and the clamping sheets are sequentially connected, the two ends of each thin clamping sheet are respectively provided with a downwards-curved clamping part, a connecting mechanism is arranged at the top of each pressing sheet, the filter clamps can be rapidly installed on the two sides of the filter support through the connecting mechanisms, and the number of the clamping sheets and the number of the thin clamping sheets of each filter clamp can be adjusted at will. According to the filter support, the support body is overall of the square structure, parasitic light can be prevented from entering the filter support when the filter support is used, filter clamp units can be rapidly and stably installed on the support body, and the camera shooting quality can be guaranteed through the special arrangement of the filter clamps.

Description

technical field [0001] The invention relates to the field of photographic equipment, in particular to a filter holder. Background technique [0002] With the maturity and improvement of photography technology, people's requirements for photography have also increased. Filters such as UV mirror (Ultra Violet), portrait filter, diffuse mirror, star mirror, etc., are used as an auxiliary method for professional photography. Has been widely used in professional photography, video field. CPL refers to circular polarizer, or circular polarizer, which is the abbreviation of Circular-Polarizing Filters in English, which is used to increase the color density, deepen the blue sky, highlight white clouds, and eliminate the reflected light from non-metallic surfaces such as glass or water; Reduces the soft focus caused by atmospheric fog in landscape shots without changing the tonal balance of the entire frame. When using a CPL polarizer, the angle of the CPL polarizer needs to be adj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B17/14G02B7/00
Inventor 林育霆
Owner HUIZHOU PROGREY PRECISION OPTICAL CO LTD
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