JPH11109458A - Light diffusing cover for photographing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a light diffusing cover for photographing capable of easily changing a camera angle. SOLUTION: This light diffusing cover for photographing has a light diffusing cover main body 5 made of synthetic resin which has shape capable of covering a subject, whose bottom part is an aperture part 4, which is translucent, and which has even light diffusing performance. A photographing long window 11 which opens in a vertical direction is provided on the side surface of the main body 5. Translucent movable caps 17a and 17b covering a position other than a position where the lens part of the camera is arranged on the window 11 are movably supported at the edge part of the window 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light-diffusing cover for photography used as a three-dimensional surface light source for covering a subject and uniformly irradiating the subject with light from above and around the subject at 360 degrees. It is about the body.

[0002]

2. Description of the Related Art For example, when photographing an object called a relatively small light object such as a watch, eyeglasses, and noble metal, a conventional method is shown in FIG. As shown in the figure, a subject 2 placed on a shooting table 1 is provided with a semi-transparent and uniform light having a truncated cone shape capable of covering the subject 2 and having openings 3 and 4 at the top and bottom. A light-diffusing cover 6 for photographing mainly composed of a light-diffusing cover body 5 made of a synthetic resin having diffusibility is covered, and light is applied to the light-diffusing cover body 5 from an outer light source 7. The subject 2 was photographed by the camera 8 from the opening 3 above the light diffusing cover body 5. The light-diffusing cover main body 5 is not limited to a truncated cone as shown in the figure, but also has a dome shape. Opening is provided.

When photographing is performed in this manner, light from the light source 7 impinges on the light-diffusing cover main body 5, causing irregular reflection at each part of the light-diffusing cover main body 5, resulting in a three-dimensional surface light source. Works, easily softens light through 360 °
There is an advantage that the subject 2 can be uniformly hit from the direction and lighting can be easily performed. Further, it is possible to prevent a sharp reflection from occurring at the mirror-finished portion of the subject 2 and an adjacent object from being reflected at the mirror-polished portion.

[0004]

However, in the conventional light-diffusing cover 6 for photographing as described above, the opening 3 for photographing is fixed to the top of the light-diffusing cover main body 5. There was a fatal problem that could not change the camera angle. Therefore, in order to change the camera angle, the light-diffusing cover main body 5 is removed from the subject 2, the angle of the subject 2 viewed from the camera 8 is changed, and then the light-diffusing cover main body 5 is put on the subject 2 again. In this case, there is a problem that the photographing efficiency is poor. Also, in such a shooting method, it is difficult to change the camera angle subtly.

Further, in the conventional light diffusing cover 6 for photographing, since the light diffusing cover main body 5 is a three-dimensional molded product, it is difficult to store, and a large space is required for storage. was there.

An object of the present invention is to provide a light-diffusing cover for photographing in which a camera angle can be easily changed.

Another object of the present invention is to provide a light-diffusing cover for photographing which can prevent external light from directly entering a place where a long photographing window is vacant even when the camera angle can be easily changed. Is to do.

Another object of the present invention is to provide a light-diffusing cover for photography which can avoid the influence of a dark shadow on an object due to the pointed top even if the light-diffusing cover body has a conical sharp point. Is to provide the body.

Another object of the present invention is to provide a light-diffusing cover for photography which can be easily stored.

[0010]

SUMMARY OF THE INVENTION A light-diffusing cover for photography to be improved by the present invention is a translucent and uniform light having a shape capable of covering an object and having an opening at the bottom. It is provided with a light diffusing cover main body made of a synthetic resin having diffusibility.

In the present invention, a long photographing window which is open in the vertical direction is provided on the side surface of the light diffusing cover body. A translucent movable lid that covers a position other than the position where the lens portion of the camera is disposed with respect to the long window for photography is movably supported at the edge of the long window for photography. In the present invention, the vertical direction in which the imaging long window is provided in the light-diffusing cover body is not limited to the vertical direction along the vertical direction, but also includes the vertical direction inclined with respect to the vertical direction.

[0012] In such a light-diffusing cover for photography, a long shooting window is provided on the side surface of the light-diffusing cover main body, which is opened in the vertical direction. Can be moved up and down as appropriate along the long shooting window. Therefore, the camera angle with respect to the subject can be easily changed to a desired state. At this time, when the position of the lens unit with respect to the long shooting window is determined, the empty space of the long shooting window is closed with a translucent movable lid.
For this reason, it is possible to prevent extra light from entering the light diffusing cover main body from the empty space of the long shooting window and hitting the subject.

The main body of the light diffusing cover having the long window for photographing is provided with a window frame at the edge of the long window for photographing, and the window frame has a position where the lens portion of the long window for photographing is arranged. It is preferable that a translucent movable lid that covers other portions is supported movably along the imaging long window.

With this configuration, the translucent movable lid can be easily moved using the window frame as a guide. After the movable lid is moved and positioned, the guide groove of the window frame is applied with an appropriate frictional resistance or a tightening force when the movable lid is moved so that the movable lid is maintained at the positioned position. Is preferred.
Also, if a window frame is provided on the light diffusing cover body,
If the window frame serves as a reinforcing member for the light diffusing cover main body and has a portion of the window frame when the light diffusing cover for photographing is moved, the window diffusing cover may be excessively attached to the light diffusing cover main body. It can be carried without giving any deformation.

The light-diffusing cover main body has a right-angled rising peripheral wall in which a part of the peripheral wall rises at a right angle from one location in the circumferential direction of the bottom opening. It is preferably formed in a conical shape having a top at the top. Further, a long shooting window and a window frame are provided along the right-angled rising peripheral wall portion and over the circumferential direction around the right-angle rising peripheral wall portion, and a translucent movable lid is provided on the window frame frame. Preferably, it is supported movably along the window.

When the main body of the light-diffusing cover is conical as described above, it is easy to set the required length of the photographing long window to the required length at which the camera angle can be easily changed. . If the light-diffusing cover body has a conical shape, the sharp pointed top may cast a dark shadow on the subject. However, the light-diffusing cover body is particularly concentric with the bottom opening. A part of the peripheral wall rises at a right angle from one point in the direction to form a right-angled rising peripheral wall, and is formed in a conical shape having a top at the top of the right-angled rising peripheral wall, and a long shooting window and a window frame. Is provided along the right-angled surrounding wall and in the circumferential direction with the right-angled rising wall as the center, it is possible to prevent the sharp pointed tip from casting a dark shadow on the subject. it can. Further, when the window frame is provided at the right-angled rising peripheral wall portion, when the window frame is easily installed, the translucent movable lid can be easily moved.

The light-diffusing cover main body having such an advantage is obtained by rounding a circular arc-shaped sheet provided with a detachable connecting edge along a rising wall at a right angle into a conical shape, and connecting at the connecting edge. Is preferably formed in a conical shape. Such a light-diffusing cover main body can be developed into a flat fan-shaped sheet when the connection at the connection edge is released after use. For this reason, when not in use, the sheets can be stacked one on top of another, or they can be thinly rolled, and can be easily stored.

Further, at this time, a long photographing window is provided so as to straddle the connecting portion connecting the connecting edges, and the window frame is detachable along the long photographing window of the light diffusing cover body. When the light-diffusing cover body is unfolded into a sheet, the window-frame frame is not disturbed when the light-diffusing cover body is unfolded, so that the window-frame frame is not obstructed and reassembly can be easily performed. it can.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a light diffusing cover for photography according to the present invention will be described with reference to FIG.
This will be described in detail with reference to (A) and (B) to FIG. 4 (A) and (B). 1A and 1B are a side view and a front view of a main body of the light diffusing cover in the light diffusing cover for photography of the present embodiment, and FIG. 2 is a developed view of the light diffusing cover main body shown in FIG. 3 (A) and 3 (B) are side and front views of the light-diffusing cover for photography of this example, and FIG. 4 (A) is a window used in the light-diffusing cover for photography of this example. Exploded front view of the frame, FIG.
FIG. 5B is a perspective view of the clip-shaped guide member used in FIG.

The light-diffusing cover 6 for photographing is made of a translucent and uniform light-diffusing synthetic resin having a shape capable of covering the subject and having an opening 4 at the bottom, and has a conical shape. The light-diffusing cover body 5 is provided. The light-diffusing cover main body 5 has a right-angle rising peripheral wall 5 in which a part of the peripheral wall rises at a right angle from one location in the circumferential direction of the bottom opening 4.
a, which is formed in a conical shape having a top portion 9 at the uppermost portion of the right-angle rising peripheral wall portion 5a. The light-diffusing cover body 5 having such a shape is formed by a right-angled rising peripheral wall 5.
A circular arc-shaped sheet 5 ′ as shown in FIG.
The connection at 0 forms a cone. As the arc-shaped sheet 5 ′, a sheet formed by uniformly applying sandblasting to a plastic sheet such as a polyester film having a thickness of about 125 μm to have a translucent and uniform light diffusing property is used. . The connecting edge 10 is provided by bonding and fixing a white hook-and-loop fastener called a magic tape (trade name) to the edge of the arc-shaped sheet 5 ′.

A long photographing window 11 is provided on the peripheral wall 5a of the light-diffusing cover body 5 at the right-angled rising edge.
The light-diffusing cover body 5 is provided in a rectangular shape along the length direction of the light-diffusing cover main body 5 along the circumferential direction of the light-diffusing cover main body 5 around the connecting portion 10 '. Connecting part 1
A connecting portion 12 made of a white hook-and-loop fastener for detachably fixing a window frame frame to be described later is provided on a parallel edge portion along a vertical direction of the long shooting window 11 in a direction parallel to 0 ′. .

At the edge of the photographing long window 11, a window frame 1
3 are provided. The window frame 13 is shown in FIG.
As shown in (B), a milky white acrylic having a long window 14 having the same size as the long window 11 and being arranged on the light diffusing cover body 5 around the long window 11. A window frame main body 15 made of a milky white synthetic resin plate such as a plate, and a similar milky white synthetic resin 1 bonded and fixed to a parallel edge along the length direction of the connecting portion 10 ′ of the window frame main body 15. And a pair of clip-shaped guide members 16. Upper and lower bridge portions 15a of window frame body 15
Is curved in an arc shape in accordance with the curvature of the peripheral surface of the light diffusing cover main body 5. Each clip-shaped guide member 16
Guide grooves 16a are provided on the long window 14 side, respectively. On the back surface of the window frame body 15, connecting portions made of a hook-and-loop fastener (not shown) are provided corresponding to the connecting portions 12 made of a hook-and-loop fastener on the side of the light diffusing cover main body 5. Such a window frame 13 is provided with each connecting portion 12 made of a surface fastener on the side of the light-diffusing cover body 5.
The connecting portion made of the above-mentioned hook-and-loop fastener on the back surface of the window frame body 15 is attached to the light-diffusing cover body 5 in a detachable manner.

The window frame 13 has semi-transparent first and second movable lids 17a and 17b which cover portions other than the position where the lens portion of the camera is disposed with respect to the long shooting window 11, and each clip-shaped guide member. It is inserted into the 16 guide grooves 16a and supported so as to be movable along the imaging long window 11.
The first and second movable lids 17a and 17b are formed of a milky white synthetic resin plate such as a milky white acrylic plate, and are arranged so as to cover the imaging long window 11 from above and below. These first and second movable lids 17a and 17b are provided with guide grooves 16a.
The guide groove 16a of the clip-type guide member 16 is so moved that the guide groove 16a of the clip-shaped guide member 16 can be held at a required stop position by applying an appropriate frictional resistance or a tightening force.
Is set slightly smaller than the thickness of the first and second movable lids 17a and 17b.

Next, an example of a method of using the light diffusing cover 6 for photographing will be described with reference to FIG.

In this case, an imaging stand unit 18 is used. The photographing table unit 18 includes a carriage 19 having four casters 9 at a lower portion, and a stand 20 is erected on the carriage 19. The imaging stand 1 is horizontally supported by the stand 20. A subject 2 is placed on the imaging stand 1. The above-described light-diffusing cover 6 for photographing is placed on the photographing table 1 over the subject 2. The stand 20 supports a light source 7 for illuminating the light-diffusing cover 6 for photography via an arm 21, and the camera 8 is connected to the long window 11 of the light-diffusing cover 6 for photography. It is supported via a fixed arm 22, an elevating arm 23, and a platform 24 so as to face each other.

At the time of photographing, light is applied from a light source 7 to the light diffusing cover 6 for photographing. In this way, irregular reflection occurs in each part of the light diffusing cover main body 5, and the light diffusing cover main body 5 acts as a three-dimensional surface light source, and easily emits soft light in the 360 ° direction and from above. Like subject 2
And the required lighting can be easily performed. Further, the use of the light-diffusing cover body 5 can prevent sharp reflections from occurring at the mirror-finished portion of the subject 2 and the reflection of an adjacent object on the mirror-polished portion. it can.

In this state, the camera angle with respect to the subject 2 is determined by looking through the finder eyepiece of the camera 8 through the long shooting window 11 of the light diffusing cover body 5. When the camera angle is determined, the lens unit 8a of the camera 8 is moved up and down by elevating the elevating arm 23 and the position is determined. Transparent movable lid 1
7a and 17b are moved up and down along the guide member 16 of the window frame 13 and closed. For this reason, it is possible to prevent extra light from entering the light diffusing cover main body 5 from the empty space of the long shooting window 11 and hitting the subject 2. When the long imaging window 11 provided on the side surface of the light-diffusing cover main body 5 and opened along the up-down direction is used, the position of the lens portion 8a of the camera 8 can be adjusted in the up-down direction along the long imaging window 11. Can be moved appropriately. In addition, the camera 8 is
You can also move left and right on the top. Therefore, the camera angle with respect to the subject 2 can be easily changed to a desired state.

The photographing long window 11 of the light diffusing cover body 5
When the window frame 13 is provided at the edge of the window frame 13, the translucent movable lids 17a and 17b can be easily moved by using the guide grooves 16a of the clip-shaped guide members 16 of the window frame 13 as guides. Movable lid 17a, 17
The movable lids 17a and 17b after positioning by moving
Can be easily maintained by a suitable frictional resistance or a tightening force by the guide groove 16a of the window frame 13. When the window frame 13 is provided on the light-diffusing cover main body 5, the window frame 13 serves as a reinforcing member for the light-diffusing cover main body 5, and moves the light-diffusing cover 6 for photographing. By holding the window frame 13 at this time, the light diffusing cover main body 5 can be carried without giving excessive deformation.

When the light-diffusing cover body 5 has a conical shape as in this embodiment, the length of the photographing long window 11 is set to a required length, and the camera angle can be easily changed. It becomes easy to do. If the light diffusing cover main body 5 has a conical shape, the sharp pointed top 9 may cast a dark shadow on the subject 2. A part of the peripheral wall is formed as a right-angled rising peripheral wall portion 5a that rises at a right angle from one location in the circumferential direction of the opening 4, and a top portion 9 is provided at the top of the right-angle rising peripheral wall portion 5a.
When the long shooting window 11 and the window frame 13 are provided along the right-angled rising peripheral wall 5a and straddling in the circumferential direction around the right-angled rising peripheral wall 5a, It is possible to prevent the sharp top portion 9 from casting a dark shadow on the subject 2. Further, if the window frame 13 is provided at the right-angle rising peripheral wall portion 5a, the translucent movable lids 17a and 17b can be easily moved when the window frame 13 is easily installed.

The light-diffusing cover main body 5 having such an advantage is obtained by rolling a circular arc-shaped sheet provided with a detachable connecting edge 10 along a right-angled rising peripheral wall 5a into a conical shape. If the connection at 10 makes a conical structure, the connection at the connection edge 10 after use of such a light-diffusing cover main body 5 is released, so that a flat fan as shown in FIG. It can be developed into a shaped sheet. For this reason, when not in use, this sheet can be placed on top of this sheet, or it can be rolled up thinly,
Storage can be performed easily.

Further, a long photographing window 11 is provided so as to straddle a connecting portion 10 ′ connecting the connecting edges 10 to each other, and a window frame 13 is provided on the long photographing window 11 of the light diffusing cover body 5. When the light-diffusing cover main body 5 is unfolded along the window frame 13
By removing this, the window frame 13 does not become an obstacle and reassembly can be easily performed.

FIG. 6 shows a second embodiment of the light diffusing cover for photography according to the present invention.

In the light diffusing cover 6 for photographing, the light diffusing cover main body 5 is integrally formed in a dome shape. On the side surface of the light-diffusing cover main body 5, an imaging long window 11 is provided in a vertical direction. Long shooting window 11
The window frame 13 is detachably fixed to the edge of the frame in the same manner as described above. The window frame 13 has translucent first and second movable lids 17a and 17b that cover portions other than the position where the lens portion of the camera is arranged with respect to the long shooting window 11.
Are inserted into the guide grooves of the respective clip-shaped guide members 16 and supported so as to be movable along the long imaging window 11.

In the light diffusion cover 6 for photographing having such a structure, the camera angle can be easily changed by using the photographing long window 11.

The connecting edge 10 and the connecting portion 12 are not limited to the hook-and-loop fastener, but may be formed of a double-sided adhesive tape or a magnet piece.

Further, the light-diffusing cover body 5 is simply provided with the connecting portion 12 such as a hook-and-loop fastener at the edge of the long photographing window 11, but the window frame 13 is omitted, and the first and second movable members are provided. The lids 17a and 17b can also be removably positioned by connecting a connecting portion such as a hook-and-loop fastener provided on the back surface to the connecting portion 12.

[0037]

According to the present invention, since the photographing long window opened in the vertical direction is provided on the side surface of the light diffusing cover main body, the position of the lens portion of the camera can be moved up and down along the photographing long window. It can be moved in any direction. Therefore, the camera angle with respect to the subject can be easily changed to a desired state. At this time, when the position of the lens unit with respect to the long shooting window is determined, the empty space of the long shooting window is closed with a translucent movable lid, so that extra light is diffused from the empty space of the long shooting window. It is possible to prevent the body from entering the cover body and hitting the subject.

[Brief description of the drawings]

FIGS. 1A and 1B are a side view and a front view of a light diffusing cover main body used in a first example of an embodiment of a light diffusing cover for photography according to the present invention.

FIG. 2 is an exploded view of the light diffusing cover main body shown in FIG.

FIGS. 3A and 3B are a side view and a front view showing a first example of an embodiment of a light diffusing cover for photography according to the present invention.

4A is an exploded front view of a window frame used in the light-diffusing cover for photography shown in FIG. 3, and FIG. 4B is a perspective view of a clip-shaped guide member used in FIG. It is.

FIG. 5 is a perspective view of a photographing table unit that performs photographing using the light diffusing cover for photographing of the present example.

FIG. 6 is a perspective view showing a second example of the embodiment of the light diffusing cover for photographing according to the present invention.

FIG. 7 is a perspective view showing a use state of a conventional light diffusing cover for photography.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Imaging stand 2 Subject 3, 4 Opening part 5 Light-diffusing cover main body 5 'Arc-shaped sheet 5a Perpendicular wall rising at right angle 6 Light-diffusing cover for photography 7 Light source 8 Camera 8a Lens part 9 Top part 10 Connection edge part 10 'Connecting part 11 Long photographing window 12 Connecting part 13 Window frame 14 Long window 15 Window frame main body 15a Bridge 16 Clip-shaped guide member 16a Guide groove 17a, 17b First and second movable lids 18 Imaging table unit 19 Dolly Reference Signs List 20 stand 21 arm 22 fixed arm 23 elevating arm 24 head

Claims (4)

[Claims] 1. A photographing light provided with a light-transmissive cover body made of a synthetic resin having a translucent uniform light-diffusing property and having a shape capable of covering a subject and having an opening at the bottom. In the diffusing cover, the light-diffusing cover main body is provided with a photographing long window which is opened on the side surface along a vertical direction, and an edge of the photographing long window has a lens portion of the camera in the photographing long window. A light-diffusing cover for photography, wherein a translucent movable lid for covering a position other than the position where the is disposed is movably supported. 2. A photographing light comprising a light-transmissive cover body made of a synthetic resin having a translucent uniform light-diffusing property and having a shape capable of covering a subject and having an opening at the bottom. In the diffusible covering, the light diffusing covering main body is provided with a long photographing window which is opened along a side surface thereof along a vertical direction, and a window frame is provided at an edge of the long photographing window. A light-diffusion for photographing, characterized in that a translucent movable lid that covers a position other than a position where a lens portion of the camera is disposed with respect to the long window for photographing is movably supported along the long window for photographing. Sex cover. 3. The light-diffusing cover main body is a right-angle rising peripheral wall in which a part of the peripheral wall rises at a right angle from one circumferential direction of the bottom opening. The imaging long window and the window frame are formed in a conical shape having an apex at an upper portion thereof, and the imaging long window and the window frame are provided along the right-angled rising peripheral wall portion and straddling in a circumferential direction around the right-angled rising peripheral wall portion. The light-diffusing cover for photography according to claim 2, wherein the translucent movable lid is supported on the frame so as to be movable along the long window for photography. 4. The light-diffusing cover body is formed into a conical shape by rounding an arc-shaped sheet provided with a detachable connecting edge along the right-angled rising peripheral wall into a conical shape. And the long shooting window is provided across a connecting portion connecting the connecting edges to each other, and the window frame is detachable along the long shooting window of the light diffusing cover body. 4. The device according to claim 3, wherein
4. The light-diffusing cover for photography according to item 1.