JP2009205091A - Color correction filter retention body for underwater photographing apparatus housing, color correction filter retention body for underwater camera housing, color correction filter retention body of underwater photographing strobo and color correction filter retention body of underwater photographing light - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a color correction filter retention body for underwater camera housing capable of exchanging a gelatin filter stored in the inside with a water-tight sealing structure for a gelatin filter of optionally favorite color and capable of materializing underwater photographing accompanied by desired color correction. <P>SOLUTION: The color correction filter retention body 1 for an underwater camera housing 20 which has a disc shape configured to be attachable and detachable to and from an inner circumferential groove 32 disposed on a rubbery fitting cylinder 31, being fitted to a housing lens barrel part 21 of the underwater camera housing 20 includes: a disc-like first filter retention body 2 made of transparent material; and a disc-like second filter retention body 11 which has an outer circumferential joint region of water-tight sealing structure for the first filter retention body 2, is connected attachably and detachably with screw connection and forms a filter storage region 15 between the inner circumferential side region of the first filter retention body 2 and the second filter retention body. Thereby the color correction filter retention body 1 is configured so as to exchangeably store a color correction filter 16 made of gelatin selected from purple, pink, blue or the like in the filter storage region 15. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a color correction filter holder for an underwater photographing device housing, a color correction filter holder for an underwater camera housing, a color correction filter holder for an underwater photographing strobe, and a color correction filter holder for an underwater photographing light. It is.

  Conventionally, as a filter attached to a camera used for photographing an object on land, a color correction filter such as a gelatin filter that converts the color temperature of each light source, or a polarization filter that removes reflection by absorbing only the transverse wave of light. Various filters such as an ultraviolet filter for cutting ultraviolet rays are used.

  On the other hand, for an underwater camera housing with a built-in camera that is used for shooting underwater subjects, a color correction filter such as a gelatin filter is accommodated in a dedicated filter holder in consideration of special conditions such as underwater use. It is attached to the housing barrel of the underwater camera housing for underwater photography.

  In this case, since the color correction filter accommodated in the dedicated filter holder cannot be replaced in the past, when a photographer tries to perform desired color correction, a plurality of filters accommodating color correction filters of different colors are used. There was an inconvenience that the holders had to be prepared individually. The same situation applies to the underwater photography strobe and the underwater photography light.

  Patent Document 1 proposes a gelatin filter holder in which a slit for attaching a gelatin filter is provided in a ring, and a slit that protrudes the corner of the lower part of the filter is provided in the lower part so that the gelatin filter can be attached and detached.

However, in the case of this patent document 1, it does not consider mounting | wearing to underwater imaging devices, such as an underwater camera housing.
Utility Model Registration No. 3083033

  The problem to be solved by the present invention is that the gelatin filter housed in a watertight structure inside can be replaced with a gelatin filter of a desired color at any time, and the color for an underwater photographing device housing that can realize underwater photographing with desired color correction. There is no correction filter holder, such as a color correction filter holder for an underwater camera housing.

  The color correction filter holder for an underwater device housing according to the present invention is a color correction exhibiting a disk shape configured to be detachable with respect to an inner circumferential groove provided in a mounting cylinder mounted on a housing barrel portion of the underwater photographing device housing. A filter holder, a disc-shaped first filter holder made of a transparent material, and an outer peripheral joining region detachably connected to the first filter holder in a watertight structure, and the first filter holder A disc-shaped second filter holder made of a transparent material that forms a filter housing region between the inner circumferential region of the body and a color correction filter that is replaceably housed in the filter housing region. The most important feature.

  According to the first aspect of the present invention, the disc-shaped first filter holder made of a transparent material and the outer peripheral joint region are detachably connected to the first filter holder with a watertight structure, and the first And a disc-shaped second filter holder made of a transparent material that forms a filter housing region between the inner region of the filter holder and the filter housing region, and is housed in a watertight structure in the filter housing region. A color correction filter holder for an underwater photographing apparatus housing that can replace the color correction filter with a color correction filter of a desired color as needed and can realize underwater photographing with desired color correction can be provided.

  According to the second aspect of the present invention, the disc-shaped first filter holder made of a transparent material and the outer peripheral joint region are detachably connected to the first filter holder in a watertight structure, and the first And a disc-shaped second filter holder made of a transparent material that forms a filter housing region between the inner region of the filter holder and the filter housing region, and is housed in a watertight structure in the filter housing region. A color correction filter holder for an underwater camera housing that can replace the color correction filter with a color correction filter of a desired color at any time and can realize underwater shooting with desired color correction can be provided.

  According to the third aspect of the present invention, the first filter holding body and the second filter holding body are screwed or fitted and the color correction filter is made of a gelatinous material selected from purple, pink, blue and the like. In the configuration of the color correction filter, the color correction filter housed in the filter housing area in a watertight structure can be replaced with a gelatin color correction filter of a desired color at any time, as in the first aspect of the invention. It is possible to provide a color correction filter holder for an underwater camera housing that can realize underwater photography.

  According to the fourth aspect of the present invention, the disc-shaped first filter holder made of a transparent material and the outer peripheral joint region are detachably connected to the first filter holder in a watertight structure, and the first And a disc-shaped second filter holder made of a transparent material that forms a filter accommodation area between the inner circumference side area of the filter holder and the water-tight structure in the filter accommodation area. It is possible to provide a color correction filter holder for an underwater photographing strobe that can replace the color correction filter with a color correction filter of a desired color as needed, and can irradiate the subject with strobe light with desired color correction.

  According to the fifth aspect of the present invention, the first filter holder and the second filter holder are screwed or fitted together, and the color correction filter is made of a gelatinous material selected from purple, pink, blue and the like. In the configuration of the color correction filter, the color correction filter accommodated in the filter accommodation area with a watertight structure can be replaced with a gelatin color correction filter of a desired color at any time in the same manner as in the third aspect of the invention. Accordingly, it is possible to provide a color correction filter holder for an underwater photographing strobe capable of irradiating a subject with strobe light.

  According to the sixth aspect of the present invention, the disc-shaped first filter holder made of a transparent material and the outer peripheral joint region are detachably connected to the first filter holder in a watertight structure, and the first And a disc-shaped second filter holder made of a transparent material that forms a filter housing region between the inner region of the filter holder and the filter housing region, and is housed in a watertight structure in the filter housing region. It is possible to provide a color correction filter holder for an underwater photographing light that can replace the color correction filter with a color correction filter of a desired color at any time, and can irradiate a subject with illumination light from the light with desired color correction. .

  According to the seventh aspect of the present invention, the first filter holding body and the second filter holding body are screwed or fitted together, and the color correction filter is made of a gelatinous material selected from purple, pink, blue, etc. In the configuration of the color correction filter, the color correction filter housed in the filter housing area with a watertight structure can be replaced with a gelatin color correction filter of a desired color at any time, as in the third aspect of the invention. Accordingly, it is possible to provide a color correction filter holder for an underwater photographing light that can irradiate the subject with illumination light from the light.

  An object of the present invention is to provide a color correction filter holder for an underwater camera housing in which a gelatin filter housed in a watertight structure inside can be replaced with a gelatin filter of a desired color at any time, and underwater photography with desired color correction can be realized. With the goal.

  A color correction filter holder for an underwater camera housing according to the present invention has a disk shape configured to be detachable with respect to an inner circumferential groove provided in a rubber mounting cylinder mounted on a housing barrel portion of the underwater camera housing. A color correction filter holding body, which is a disc-shaped first filter holding body made of a transparent material, and an outer peripheral joint region is connected to the first filter holding body in a watertight structure and detachably connected by screw connection. And a disk-shaped second filter holder made of a transparent material that forms a filter housing area between the first filter holder and the inner peripheral side area of the first filter holder. The above-mentioned object is realized by a configuration in which a gelatinous color correction filter selected from blue, etc. is accommodated.

  Below, the color correction filter holder for the underwater camera housing, the color correction filter holder for the underwater camera housing, the color correction filter holder of the underwater shooting strobe, and the color of the underwater shooting light according to the embodiment of the present invention The correction filter holder will be described in detail.

(Example 1)
A color correction filter holder for an underwater camera housing, which is a type of underwater photographing device housing according to the first embodiment of the present invention, will be described with reference to FIGS.

  A color correction filter holder 1 for an underwater camera housing 20 (details will be described later) according to Embodiment 1 of the present invention is formed in a disc shape as a whole as shown in FIGS. 1 to 4, for example, a digital camera, An inner circumferential groove 32 provided in a cylindrical mounting cylinder 31 made of, for example, acrylonitrile-butadiene rubber (NBR), which is detachably mounted on a housing barrel portion 21 of an underwater camera housing 20 that houses a camera such as a steel camera. It is comprised so that attachment or detachment is possible.

  As shown in FIGS. 1 and 2, the color correction filter holder 1 includes a disc-shaped first filter holder 2 made of a transparent material such as polycarbonate or acrylic, and the first filter holder 2. The outer peripheral joining region has a watertight structure and a disk-shaped second filter holder 11 made of a transparent material such as polycarbonate or acrylic, which is detachably connected by screw connection.

  On the inner peripheral side of the ridge 4 formed over the entire outer periphery of the first filter holder 2 constituting the color correction filter holder 1, a female screw 3 is provided over the entire circumference. Engaging grooves 5 are provided on the inner circumference side over the entire circumference.

  The second filter holding body 11 constituting the color correction filter holding body 1 is formed to have an outer diameter substantially the same size as that of the female screw 3, and is screwed onto the female screw 3 over the entire outer periphery thereof. A mating male screw 12 is provided, and a wall 13 closer to the inner circumference than the male screw 12 is provided with a groove 13 for the O-ring 17 over the entire circumference. Engagement convex portions 14 are provided that immerse into the engagement groove 5 over the entire circumference.

  The first filter holding body 2 and the second filter holding body 11 are connected to each other by the female screw 3 and the male screw 12 described above, for example, a circular protrusion on the first filter holding body 2, It is also possible to employ a fitting coupling or the like in which a circular recess is provided on the two filter holders 11 so as to be detachably fitted to the circular protrusion, and these are fitted.

  Further, a circular and thin film with a thickness of about several millimeters (for example, 2 to 5 mm) is formed between the wall surface on the inner peripheral side of the engaging convex portion 14 in the second filter holder 11 and the wall surface facing the first filter holder 2. A filter housing region 15 having a width is formed.

  In the filter housing area 15, for example, any one of gelatinous color correction filters 16 selected from purple, pink, blue and the like is housed in a replaceable manner.

  Further, an O-ring 17 is inserted into the concave groove 13 and pressed against the wall surface of the color correction filter holder 1 so that the color correction filter 16 is accommodated in the color correction filter holder 1 in a watertight structure. It is configured.

  3 and 4, reference numeral 33 denotes a fitting cylinder portion to the housing barrel portion 21 provided in the mounting cylinder 31.

  Next, the operation and effect of the color correction filter holder 1 of the first embodiment will be described with reference to FIG.

  When the color correction filter holder 1 of the first embodiment is attached to the housing barrel portion 21 of the underwater camera housing 20, as shown in FIG. 3 and FIG. With the color correction filter holder 1 containing the color correction filter 16 of a specific color attached, the fitting cylinder portion 33 of the attachment cylinder 31 is fitted into the housing barrel portion 21.

  As a result, the cameraman performs underwater shooting in a state where the color correction filter 16 of a specific color is disposed on the front surface of the housing barrel portion 21, and displays a subject image accompanied by color correction by the color correction filter 16 of the specific color. Can shoot.

  The underwater camera housing 20 is mounted with various necessary elements such as a shutter lever 22, hand grip 23, accessory shoe 24, etc. in addition to the housing barrel portion 21, and accommodates a digital camera or the like therein. It is configured so that shooting can be executed.

  Next, when the photographer wants to use the color correction filter 16 of a color different from the color correction filter 16 of the specific color described above, the mounting cylinder 31 is removed from the housing barrel part 21.

  Further, after the color correction filter holder 1 is removed from the mounting cylinder 31, the first filter holder 2 and the second filter holder 11 are rotated relatively to release the screw connection between the female screw 3 and the male screw 12. Then, the first filter holder 2 and the second filter holder 11 are separated.

  Then, the color correction filter 16 is replaced with a color correction filter 16 of another color, and the first filter holding body 2 and the second filter holding body 11 are connected by screw connection while interposing the O-ring 17. Then, the color correction filter holding body 1 is mounted in the inner circumferential groove 32 provided in the mounting cylinder 31.

  Thereafter, the cameraman is attached to the housing barrel portion 21 of the underwater camera housing 20 in the same manner as described above, so that the cameraman can underwater with the color correction filter 16 of another color disposed on the front surface of the housing barrel portion 21. It is possible to shoot a subject image accompanied by color correction by a color correction filter 16 of another color.

  As described above, according to the color correction filter holding body 1 of the first embodiment, the color correction filter 16 accommodated in the watertight structure inside has a favorite color selected from purple, pink, blue, etc. as needed. And underwater photography with desired color correction can be easily realized.

  In the first embodiment described above, the mounting cylinder 31 and the color correction filter holder 1 that are mounted on the underwater camera housing 20 that accommodates a camera such as a digital camera or a still camera have been described. In addition, with respect to a video camera housing for a video camera, the mounting cylinder 31 and the color correction filter holder 1 can be similarly mounted to perform underwater shooting using a video camera.

(Example 2)
A color correction filter holder 1A of the strobe 40 for underwater photography according to Embodiment 2 of the present invention will be described with reference to FIGS.

  As shown in FIG. 7, the color correction filter holder 1A according to the second embodiment is configured in exactly the same way as the color correction filter holder 1 of the first embodiment, and is a strobe of an external strobe 40 for underwater photography. It is detachably fitted in an inner circumferential groove 52 provided in a rubber mounting cylinder 51 mounted on the casing 41, and is attached to the strobe casing 41 of the strobe 40 using the mounting cylinder 51 as shown in FIG. ing.

  According to the color correction filter holding body 1A according to the second embodiment, the strobe light emitted from the strobe 40 to the subject is used by appropriately replacing the color correction filter 16 with each color as in the first embodiment. Color correction of a favorite color selected from purple, pink, blue and the like can be performed.

Example 3
With reference to FIGS. 8 and 9, the color correction filter holder 1B of the light 60 for underwater photography according to Embodiment 3 of the present invention will be described.

  As shown in FIG. 9, the color correction filter holder 1B according to the third embodiment is configured in exactly the same manner as the color correction filter holder 1 according to the first embodiment, and for example, a video camera (not shown) for underwater photography. 8 is attached to the inner circumferential groove 72 provided in the rubber mounting cylinder 71 mounted on the light casing 61 of the light 60 attached to the light 60, and as shown in FIG. 71 is used for attachment.

  According to the color correction filter holding body 1B according to the third embodiment as described above, the illumination light emitted from the light 60 to the subject is used by appropriately replacing the color correction filter 16 with each color as in the first embodiment. In addition, it is possible to perform video shooting of a subject using the light 60 while performing color correction of a favorite color selected from purple, pink, blue and the like.

  In addition to the case described above, the color correction filter holding body of the present invention has a configuration in which a plurality of color correction filters are accommodated in a stacked manner, or a configuration in which other types of filters such as a polarizing filter and an ultraviolet filter are accommodated. Can be applied.

It is a side view which shows the color correction filter holding body for the underwater camera housing which concerns on Example 1 of this invention. 3 is an exploded cross-sectional view of a color correction filter holder according to the first embodiment. FIG. It is sectional drawing which shows the state which fitted the color correction filter holding body which concerns on the present Example 1 in the mounting cylinder. It is a perspective view which shows the state which fitted the color correction filter holding body which concerns on the present Example 1 in the mounting cylinder. It is a perspective view which shows the state which inserts the color correction filter holding body which concerns on this Example 1 in a mounting cylinder, and attaches it to an underwater camera housing. It is a perspective view which shows the state which inserts the color correction filter holding body which concerns on Example 2 of this invention in a mounting cylinder, and attaches to a strobe. It is sectional drawing which shows the state which fitted the color correction filter holding body which concerns on the present Example 2 in the mounting cylinder. It is a perspective view which shows the state which inserts the color correction filter holding body which concerns on Example 3 of this invention in a mounting cylinder, and attaches it to a light. It is sectional drawing which shows the state which fitted the color correction filter holding body which concerns on the present Example 3 in the mounting cylinder.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Color correction filter holding body 1A Color correction filter holding body 1B Color correction filter holding body 2 1st filter holding body 3 Female screw 4 Projection part 5 Engaging groove 11 Second filter holding body 12 Male screw 13 Groove 14 Engagement Joint convex part 15 Filter accommodation area 16 Color correction filter 17 O-ring 20 Underwater camera housing 21 Housing barrel part 22 Shutter lever 23 Hand grip 24 Accessory shoe 31 Attached cylinder 32 Inner peripheral groove 33 Fitting cylinder part 40 Strobe 41 Strobe housing 51 Mounting cylinder 52 Inner circumferential groove 60 Light 61 Light housing 71 Mounting cylinder 72 Inner circumferential groove

Claims (7)

A color correction filter holding body having a disk shape configured to be detachable with respect to an inner circumferential groove provided in a mounting cylinder mounted on a housing barrel portion of an underwater photographing device housing,
A disc-shaped first filter holder made of a transparent material, and an outer peripheral joint region detachably connected to the first filter holder with a watertight structure, and an inner peripheral side region of the first filter holder A disc-shaped second filter holder made of a transparent material that forms a filter housing region between the two,
A color correction filter holder for an underwater photographing apparatus housing, wherein the filter correction area accommodates a color correction filter in a replaceable manner. A color correction filter holding body having a disc shape configured to be detachable with respect to an inner circumferential groove provided in a mounting cylinder mounted on a housing barrel portion of an underwater camera housing,
A disc-shaped first filter holder made of a transparent material, and an outer peripheral joint region detachably connected to the first filter holder with a watertight structure, and an inner peripheral side region of the first filter holder A disc-shaped second filter holder made of a transparent material that forms a filter housing region between the two,
A color correction filter holder for an underwater camera housing, wherein a color correction filter is replaceably stored in the filter storage area. A color correction filter holding body having a disk shape configured to be detachable with respect to an inner circumferential groove provided in a rubber mounting cylinder mounted on a housing barrel portion of an underwater camera housing,
A disk-shaped first filter holder made of a transparent material, and an outer peripheral joint region connected to the first filter holder in a watertight structure and detachably connected by screw coupling or mating coupling. A disc-shaped second filter holder made of a transparent material that forms a filter housing area with the inner peripheral side area of the one filter holder,
A color correction filter holder for an underwater camera housing, wherein a gelatin color correction filter selected from purple, pink, blue and the like is replaceably stored in the filter storage region. A color correction filter holding body having a disk shape configured to be detachable with respect to an inner circumferential groove provided in a mounting cylinder mounted on a strobe housing of a strobe for underwater photography,
A disc-shaped first filter holder made of a transparent material, and an outer peripheral joint region detachably connected to the first filter holder with a watertight structure, and an inner peripheral side region of the first filter holder A disc-shaped second filter holder made of a transparent material that forms a filter housing region between the two,
A color correction filter holder for an underwater photographing strobe, wherein a color correction filter is replaceably accommodated in the filter accommodation region. A color correction filter holding body having a disk shape configured to be detachable with respect to an inner circumferential groove provided in a rubber mounting cylinder mounted on a strobe housing of an underwater photographing strobe,
A disk-shaped first filter holder made of a transparent material, and an outer peripheral joint region connected to the first filter holder in a watertight structure and detachably connected by screw coupling or mating coupling. A disc-shaped second filter holder made of a transparent material that forms a filter housing area with the inner peripheral side area of the one filter holder,
A color correction filter holder for an underwater photographing strobe, wherein a gelatin color correction filter selected from purple, pink, blue and the like is replaceably stored in the filter storage region. A color correction filter holding body having a disk shape configured to be detachable with respect to an inner circumferential groove provided in a mounting cylinder mounted on a light tube housing of an underwater photographing light,
A disc-shaped first filter holder made of a transparent material, and an outer peripheral joint region detachably connected to the first filter holder with a watertight structure, and an inner peripheral side region of the first filter holder A disc-shaped second filter holder made of a transparent material that forms a filter housing region between the two,
A color correction filter holder for an underwater photographing light, wherein a color correction filter is replaceably accommodated in the filter accommodation region. A color correction filter holding body having a disk shape configured to be detachable with respect to an inner circumferential groove provided in a rubber mounting cylinder mounted on a light housing of an underwater photographing light,
A disk-shaped first filter holder made of a transparent material, and an outer peripheral joint region connected to the first filter holder in a watertight structure and detachably connected by screw coupling or mating coupling. A disc-shaped second filter holder made of a transparent material that forms a filter housing area with the inner peripheral side area of the one filter holder,
A color correction filter holder for an underwater photographing light, wherein a gelatinous color correction filter selected from purple, pink, blue and the like is replaceably stored in the filter storage region.

Images