KR20140116838A - the soft box for speed light - Google Patents

the soft box for speed light Download PDF

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Publication number
KR20140116838A
KR20140116838A KR1020140121894A KR20140121894A KR20140116838A KR 20140116838 A KR20140116838 A KR 20140116838A KR 1020140121894 A KR1020140121894 A KR 1020140121894A KR 20140121894 A KR20140121894 A KR 20140121894A KR 20140116838 A KR20140116838 A KR 20140116838A
Authority
KR
South Korea
Prior art keywords
light
diffuser
reflector
soft box
external flash
Prior art date
Application number
KR1020140121894A
Other languages
Korean (ko)
Inventor
고영국
Original Assignee
고영국
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 고영국 filed Critical 고영국
Priority to KR1020140121894A priority Critical patent/KR20140116838A/en
Publication of KR20140116838A publication Critical patent/KR20140116838A/en

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    • 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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • 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
    • 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)

Abstract

The present invention relates to a soft box for an external flash, which comprises a pair of frames having the same shape and size and spaced apart from each other, and constituting a sidewall reflector surrounding the frame, And the other frame of the other face encloses the diffuser and integrally forms a connection hole for fixing the connection hole to the light emitting portion of the external flash at the edge of the light hole, Wherein the inside of the sidewall reflector and the rear reflector are formed of reflective paper and the exterior of the sidewall reflector and the rear reflector are constructed of a dark box, Light entering the light hole is reflected by the side wall of the inside of the soft box and the reflection sheet of the rear reflection portion. Is used to which the soft light of the same brightness through the diffuser uniformly radiating the subject.

Description

The soft box for speed light < RTI ID = 0.0 >

The present invention relates to a soft box for an external flash, which comprises a pair of frames having the same shape and size and spaced apart from each other, and constituting a sidewall reflector surrounding the frame, And the other frame of the other face encloses the diffuser and integrally forms a connection hole for fixing the connection hole to the light emitting portion of the external flash at the edge of the light hole, Wherein the inside of the sidewall reflector and the rear reflector are formed of reflective paper and the exterior of the sidewall reflector and the rear reflector are constructed of a dark box, Light entering the light hole is reflected by the side wall of the inside of the soft box and the reflection sheet of the rear reflection portion. Is used to which the soft light of the same driving through the diffuser uniformly radiating the subject.

When shooting a normal picture, there are various differences in the shooting image depending on the area of the light source, the amount and intensity of light, and the distance to the subject. The flash (built-in flash, flash, or speedlight) (Shadow effect) occurs because the area of the camera flash light emitting area is narrow and the light density at the time of light emission is very high. In order to minimize such a phenomenon, When a soft box is installed, the light is diffused by the soft box at the time of photographing to soften the light and to reach the light evenly over a wide area.

In general, the soft box structure has a rectangular cross section with a cross section through which a larger area is formed from one side to the other side, and is formed into a trapezoidal shape when viewed from the side. And a diffuser (or a diffuser or a diffuser cloth) is fixed to the wide outlet side.

The side walls except for the two side doors are made of white or silver foil for reflecting light, and the outside of the side walls is made of black so that the inside light does not escape.

Also, the diffuser uses a white cloth that allows light to pass through smoothly.

The soft box of this structure is applied to various flashes according to the type of flash. Korean Patent Registration No. 1187137 discloses a soft box applied to a flash incorporated in a camera, and also disclosed in Korean Patent Registration No. 1187158 The soft box which is applied to the speed light (external flash) mounted on the hot shoe in the camera is posted. In the domestic registered utility model 0413429, soft box which is applied to the speed light (strobe) is additionally posted.

However, in the conventional soft box, the light is passed through the diffuser and the light is smoothly and smoothly transmitted by the structure in which the cross section is enlarged in the direction in which the light is spread. In reality, since the light of the flash is directly irradiated toward the diffuser, The light passing through the center portion is strong and the light becomes weaker toward the edge. Accordingly, since the conventional structure soft box can not transmit uniform light to the subject, the shadow of the object is generated and the uniform color tone is maintained Problems can not be solved. It is necessary to develop a soft box that can solve this problem.

In the conventional soft box as described in the background of the invention, the size of the diffuser on the front surface and the frame of the soft box supporting the same have a three-dimensional frame having a trapezoidal shape when viewed from the side. It is necessary to develop a portable soft box which is easy to carry to solve such a problem because the frame is complicated and portable, .

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a sidewall reflector which is spaced apart from one another and has a same shape and size, And the other frame of the other surface is integrally formed by wrapping the diffuser and integrally formed with the sidewall reflector so as to integrally form a connection portion for fixing to the light emitting portion of the external flash at the edge of the light hole, Wherein the inside of the sidewall reflector and the rear reflector are formed of reflective paper and the exterior of the sidewall reflector and the rear reflector are formed of a dark film to form a soft box, The incident light is first diffusedly reflected by the reflection paper inside the soft box, and then the front surface of the diffuser The same amount of light is transmitted to the diffuser so as to uniformly diffuse the soft light transmitted through the diffuser so as to prevent the occurrence of shading of the subject, and the light transmitted through the diffuser is irradiated with the same amount of light by the indirect irradiation method, And the light quantity is maintained.

Further, unlike the conventional soft box, the frames on the front and back sides are formed of frames having the same size and shape by using a steel wire, a wire including flexible resin, a flexible resin wire, a steel wire coated with resin, The frame of the same shape is a bendable material while maintaining its shape, so it is twisted so that two circles are formed in the form of consecutive number '8', and when the two circles are overlapped, the volume is minimized to facilitate carrying and storage .

In addition, it is preferable that a filter having the same size as that of the diffuser of the soft box is further provided, wherein a pattern of pattern is formed on the filter, and the pattern and the filter have different light transmittances or different colors, As the light passes through the pattern portion, a difference in lightness or color is generated, and light is transmitted through the shape of the pattern portion so that a background effect, a highlight effect, or a special atmosphere can be produced.

As described above, according to the present invention, a pair of frames having the same shape and the same size are disposed apart from each other and constitute a sidewall reflector for wrapping along the frame of the two frames, and a frame on one side of the sidewall reflector is non- And a soft box integrally formed with the other frame of the other surface enclosing the diffuser and integrally forming the inner and the light hole in the sidewall reflecting portion and fixing the light to the light emitting portion of the external flash at the edge of the light hole The inside of the sidewall reflector and the rear reflector are formed of reflective paper, and the outside of the sidewall reflector and the rear reflector are formed of a dark box. Light emitted into the light hole due to the light emission of the external flash After the first diffuse reflection by the reflection paper inside the soft box, the same amount of light is transmitted to the front of the diffuser The soft light that is transmitted through the diffuser uniformly diffuses to prevent the occurrence of shading of the subject. The light transmitted through the diffuser is irradiated with the same amount of light by the indirect irradiation method to maintain a uniform tone and light intensity from the center to the edge of the diffuser. .

In the soft box of the present invention, since the frames on the front and rear sides are composed of frames having the same size and shape, a pair of frames of the same shape can be bent while maintaining their shape, Is formed in the form of a consecutive number '8', and when the two circles are overlapped, the volume is minimized to facilitate carrying and storage, so that it is easy to carry and store in an outdoor outing.

In addition, a filter having the same size as that of the diffuser of the soft box may be further provided. The filter may have a patterned pattern portion. The pattern portion and the filter may have different light transmittances or different colors. Light passes through the fringe portion, resulting in a difference in color and contrast, and light is transmitted through the shape of the fringe portion, thereby providing a background effect, a highlight effect, and a special atmosphere.

1 is a perspective view showing a state in which a soft box according to the present invention is applied to an external flash and a camera.
2 (A) and 2 (B) are perspective views showing a soft box according to the present invention.
Figures 3C and D are a partially cut-away perspective view and a cross-sectional view of a soft box of a soft box according to the present invention;
4 is a bottom perspective view of a soft box according to the present invention;
5 (E) and 5 (F) are a front perspective view and a rear perspective view showing a filter to which a Velcro fastening means is applied to a soft box according to the present invention.
6H to 6H are a perspective view and an assembled perspective view of the filter band fixing means to which the band fixing means is applied to the soft box according to the present invention.
7 is an exploded perspective view of a soft box and an external flash according to the present invention.
8 is a cross-sectional view showing diffused reflection of an external flash to which a soft box according to the present invention is applied.

The present invention relates to a soft box for an external flash, which comprises a pair of frames having the same shape and size and spaced apart from each other, and constituting a sidewall reflector surrounding the frame, And the other frame of the other face encloses the diffuser and integrally forms a connection hole for fixing the connection hole to the light emitting portion of the external flash at the edge of the light hole, Wherein the inside of the sidewall reflector and the rear reflector are formed of reflective paper and the exterior of the sidewall reflector and the rear reflector are constructed of a dark box, The light entering the light hole is diffusedly diffused first by the reflection paper inside the soft box, The same amount of light is transmitted to the front surface, so that the soft light transmitted through the diffuser uniformly diffuses, thereby preventing the occurrence of shading of the subject, and the light transmitted through the diffuser is uniformly irradiated with the same amount of light by the indirect irradiation method, The color tone and the light amount are emitted.

The soft box 100 includes a main body 110 and a connecting portion 120. The main body 110 includes a frame 111 and a frame 111 ' A sidewall reflector 112, a rear reflector 113 and a diffuser 114. The main body 110 further includes a filter 116.

As shown in FIGS. 2 and 3, the frames 111 and 111 'of the main body 110 are formed by using a steel wire, a wire including a flexible resin, a flexible resin wire, a steel wire coated with a resin, A pair of frames 111 and 111 'are formed in the same size and shape and spaced apart from each other by a certain distance.

The sidewall reflector 112 of the main body 110 has a pair of frames 111 and 111 'connected to each other in such a manner that their peripheries are connected to each other and the frame 111' And the diffuser 114 covers the frame 111 on the other side so that the main body 110 includes a pair of frames 111 and 111 ' A side wall reflector 112 for connecting the reflector 111 'and a rear reflector on both side walls of the side wall reflector 112 and a diffuser 114 are integrally formed. As shown in FIGS. 2 and 3, The negative structure is integrally manufactured by a method of sewing by the sewing chamber 115 such that the frames 111 and 111 'are embedded.

Thus, as shown in FIG. 2A, when the frames 111 and 111 'are circular, the main body 110 is formed into a cylindrical shape, and as shown in FIG. 2A, Likewise, when the frames 111 and 111 'have a rectangular shape, the body 110 is formed as a hexahedron.

The inside of the side wall reflection part 112 is easily reflected by reflection paper such as a white fabric, a silver foil or a gold foil, and the outside of the side wall reflection part 112 is made of a dark color (mainly black fabric) The inside of the rear reflector 113 is easily reflected by the reflection paper such as white fabric, silver foil or gold foil, and the outside of the rear reflector 113 is made of a material A light hole 101 is formed in the sidewall reflector so as to penetrate the inside of the light hole 101 with a proper area. Will be described later as a connection.

The diffuser 114 of the main body 110 smoothly transmits light by the diffuser 114 by applying a fabric used in a normal soft box 100. Thus, A fabric (diffuser cloth) for the diffuser 114 is usually applied, and this diffuser 114 can prevent discoloration of light by applying a UV-coated diffuser cloth.

In addition, since the main body 110 is a material that can be bent while maintaining the shape of the frames 111 and 111 ', the main body 110 is formed of a body portion 110' having a circular frame 111 ' (110) may be twisted into two consecutive numbers, ' 8 ', and the two circles may overlap to minimize volume.

The filter 116 may be formed of a fixing means for attaching the filter 116 and the filter 116 to the body 110 in a detachable manner .

5 and 6, the filter 116 is formed in the same size and area as the diffuser 114, and the filter 116 is provided with a pattern portion 116 'having an appropriate size and shape The filter 116 and the fringe portion 116 'are made of a material through which light is transmitted. The filter 116 and the fringe portion 116' The filter 116 and the fringe 116 'may be fabricated by applying cloths having different thicknesses of the yarns applied to each other or applying a cloth to the filter 116 or the fringe 116' The light that has passed through the diffuser 114 and the filter 116 is transmitted through the shaded portion 116 '.

In addition, at least one of the filter 116 and the fringe 116 'may be applied with a color (in this case, the material of the filter 116 or the fringe 116' may be cloth or cellophane) The light passing through the diffuser 114 and the filter 116 is transmitted through the color of the pattern 116 'or the filter 116 depending on the color of the filter 116 or the pattern 116'.

In this way, the filter 116 displays a shape corresponding to the fringe portion 116 'as a difference in the amount of light or as a difference in color, and applies the shape of the fringe portion 116' to the subject to produce a unique background effect or highlight effect .

The filter 116 is attached to the main body 110 by a fixing means, which includes a Velcro fixing means and a band 116b 'fixing means.

5, the Velcro fastening means includes a plurality of velcro strips 116a along the edge of the filter 116 and, as shown in FIGS. 5E and 5F, The velcro 116a of the filter 116 is coupled to the diffuser 114 of the diffuser 114 while the filter 116 is coupled to the diffuser 114 by the fixing means comprising a plurality of the velcro 114a along the edge of the diffuser 114 of the diffuser 114, (114a) And the filter 116 is attached to the soft box 100. [

6, the band 116b 'fixing means includes a lid 116b protruding along the edge of the filter 116, and an elastic band 116b 6 (b), the band 116b 'of the lid 116b is opened to cover the diffuser 114 and the sidewall reflector 112 of the main body 110, as shown in FIG. 6 (H'), The filter 116 is attached to the soft box 100 by matching the filter 116 and the filter 116 to prevent the separation of the filter 116 by the band 116b '

As described above, the pair of frames 111 and 111 ', the sidewall reflector 112 enclosing the two frames 111 and 111', and the sidewall reflector 112, The body portion 110 and the diffuser 114 constitute a main body portion 110 having a structure in which the main body portion 113 and the diffuser 114 are integrally formed. A light hole 101 is formed in the sidewall reflecting portion 112 with a predetermined area and a connecting portion 120 projecting outward is formed at the edge of the light hole 101 And the fixing belt 130 is formed into a band shape having a long width in a proper width and a longitudinal direction, And a Velcro 131 is constructed.

As shown in FIG. 7, the connection part 120 protrudes from the exterior of the external flash 300, which is coupled to the hot shoe of the camera 200, The connection part 120 is formed in a rectangular shape having a protruded cross section while the corner part is cut to facilitate detachment and attachment. The structure of the connection part 120 is as follows: It is preferable that the external flash 300 having the rectangular cross-section as well as the external flash 300 having the different cross-sectional shape are easily formed.

The soft box 100 is constructed by integrating the main body 110 and the connection part 120 and the soft box 100 is connected to the external flash 300 by the connection part 120 and the fixing band 130 1 and 7, a structure of installing the external flash 300 on the soft box 100 will be described in more detail. As shown in FIG. 7, The light hole 101 of the soft box 100 and the light emitting portion 310 of the external flash 300 coincide with each other so that the Velcro 131 of the fixed band 130 is exposed, The control unit 120 controls the operation of the control unit 120 so that the control unit 120 controls the operation of the control unit 100 when the soft box 100 covers the light emitting unit 310 of the external flash unit 300, So that the soft box 100 is fixed to the external flash 300.

1, the external flash 300, which is coupled to the hot shoe of the camera 200, is used as the external flash 300 to be used in the camera 200, The diffuser 114 of the soft box 100 is positioned in the same direction as the lens of the camera 200.

As described above, when the external flash 300 is operated, the soft box 100 according to the present invention emits light into the soft box 100 through the light hole 101 as shown in FIG. 8, The light is enriched in the quantity of light due to the irregular reflection caused by the reflection sheet of the inner sidewall reflector 112 and the rear reflector 113 of the soft box 100. The light inside the soft box 100 passes through the diffuser 114 The light is transmitted smoothly and evenly to the subject, preventing the occurrence of shading of the subject in the result of the photograph, and maintaining a uniform tone.

In other words, the light introduced into the light hole due to the light emission of the external flash 300 under the soft box 100 is firstly diffusedly diffused by the reflection paper inside the soft box 100, So that the soft light transmitted through the diffuser 114 is uniformly emitted to prevent the generation of shading of the subject and the light transmitted through the diffuser 114 is irradiated with the same amount of light in the indirect irradiation manner, There is a characteristic that it emits uniform color tone and light quantity from the center to the edge.

In the soft box of the present invention, since the frames on the front and rear sides are composed of frames having the same size and shape, a pair of frames of the same shape can be bent while maintaining their shape, Is formed in the form of a consecutive number '8'. If the two circles are overlapped, the volume can be minimized, which makes it easy to carry and store.

In addition, when the filter 116 is attached to the diffuser 114 of the soft box 100, it is possible to obtain the illumination of the pattern according to the pattern or color difference according to the difference of the pattern and lightness of the filter 116, It is possible to produce a variety of backgrounds and moods.

100: Soft box 110: Body part 111, 111 ': Frame
112: sidewall reflector 113: rear reflector 114: diffuser
114a: Velcro 115: Sewing room 116: Filter
116 ': pattern portion 116a: Velcro 116b: cover
116b ': Band 120: Connection part 121: Velcro
130: Fixed band 131: Velcro
200: camera 300: external flash 310:

Claims (6)

A soft box mounted on a light emitting portion of an external flash,
A pair of frames having the same shape and the same size are placed apart from each other,
And a sidewall reflector surrounding the frame of the two frames,
The frame of one side of the sidewall reflector unsharpens the backside reflector, the other frame of the other side covers the diffuser,
A soft box integrally formed with a sidewall reflector having an inner and a light hole formed therein and fixing the light to the light emitting portion of the external flash at an edge of the light hole,
Wherein the inside of the sidewall reflector and the rear reflector are formed of reflective paper and the exterior of the sidewall reflector and the rear reflector are configured of a dark box,
Wherein the light reflected by the primary reflection sheet is transmitted through the diffuser in an indirect irradiation manner to smoothly emit soft light to the subject uniformly.
The method according to claim 1,
The connecting portion is configured to protrude from the light hole, and the inner surface of the connecting portion forms a velcro,
Further comprising a fixed band including a belt loop,
The diffuser applies a UV-coated diffuser cloth,
The frame has a circular structure and is made of a material including a steel wire or a flexible resin,
Wherein a fixed band is fixed to an external flash, and a connection portion is attached to the external flash, so that a soft box is installed in an external flash, and the body is formed into a cylindrical shape by the structure of the frame.
The method according to claim 1,
The connecting portion is configured to protrude from the light hole, and the inner surface of the connecting portion forms a velcro,
Further comprising a fixed band including a belt loop,
The diffuser applies a UV-coated diffuser cloth,
The frame has a rectangular structure and is made of a material including a steel wire or a flexible resin,
Wherein a fixed band is fixed to an external flash, and a connection part is attached to the external flash, so that a soft box is installed in an external flash, and the body is formed in a hexahedral shape by the frame structure.
4. The method according to any one of claims 1 to 3,
And a filter having the same size as the diffuser,
Wherein the filter includes a pattern portion formed with a pattern,
The filter and the pattern portion may have different light transmittances or different colors,
The soft box for an external flash characterized in that the light passing through the diffuser expresses the shape of the pattern.
5. The method of claim 4,
A plurality of Velcro pieces are formed along the edges of the diffuser,
A plurality of Velcro elements are formed along the edges of the filter,
Characterized in that the filter is removably attached to the soft box by the Velcro of the filter and Velcro of the diffuser.
5. The method of claim 4,
A cover protruding along the edge of the diffuser is formed
And an elastic band is further formed around the lid,
Wherein the cover prevents the filter from being detached from the soft box by the band as it covers the side wall reflector.
KR1020140121894A 2014-09-15 2014-09-15 the soft box for speed light KR20140116838A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160074362A (en) 2014-12-18 2016-06-28 주식회사 토비스 Camera Flash Module having Light Adjusting Means
KR20160106525A (en) 2016-08-23 2016-09-12 고영국 prefabricated flexible light reflection device
KR20160146130A (en) 2015-06-11 2016-12-21 주식회사 토비스 Camera Flash Module for Mobile Phone having Light Uniform Filter
KR101716282B1 (en) 2015-09-14 2017-03-14 주식회사 토비스 Mobile Communication Terminal with Double Camera Flash

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160074362A (en) 2014-12-18 2016-06-28 주식회사 토비스 Camera Flash Module having Light Adjusting Means
KR20160146130A (en) 2015-06-11 2016-12-21 주식회사 토비스 Camera Flash Module for Mobile Phone having Light Uniform Filter
KR101716282B1 (en) 2015-09-14 2017-03-14 주식회사 토비스 Mobile Communication Terminal with Double Camera Flash
KR20160106525A (en) 2016-08-23 2016-09-12 고영국 prefabricated flexible light reflection device

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