JP2009017224A - Attachment fitting of operation switch for lens device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide attachment fittings of an operation switch for lens device, which are capable of improving operability of a TV camera by enabling a user to operate the operation switch for lens device while operating a focus operation member and a zoom operation member. <P>SOLUTION: When attachment fittings 10 and 60 are mounted on a handle 24 of a camera main body 16 or a handle 70 of a built-up camera unit 62, a switch unit 44 attached to the attachment fittings 10 and 60 is disposed in the proximity of a focus demand 26 or a zoom rate demand. so that the operability of the TV camera is improved because the user can operate the switch unit 44 while operating the focus demand 26 or the zoom rate demand. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention is a TV camera in which a focus operation member for operating a focus lens and a zoom operation member for operating a zoom lens are attached to a camera body or a built-up camera unit, and other lens device operation switches are effective for the TV camera. The present invention relates to a mounting bracket for an operation switch for a lens device used for mounting on a lens.

  When shooting with a television camera in a studio, a stadium, etc., it is usual to install the television camera on a support member such as a tripod equipped with a pan head. In addition, when shooting using a handy type camera such as an ENG camera, the built-up camera unit disclosed in Patent Document 1 is often used.

  The built-up camera unit includes a support frame that supports a handy type camera body, a tripod that supports the support frame, and a lens cover that houses a lens device connected to the camera body. In this build-up camera unit, when operating the focus lens of the lens device, since the lens device is housed in the lens cover and manual operation is difficult, the focus operation is performed by the focus demand that electrically operates the focus lens remotely. (See Patent Document 1). The same applies to the operation of the zoom lens of the lens apparatus, and the zoom operation is performed by a zoom rate demand in which the zoom lens is electrically operated remotely.

  Such a focus demand and a zoom rate demand are attached to the side surface of the support frame of the built-up camera unit, and are operated by a cameraman's hand.

  Some general television cameras using a box lens have a focus demand and a zoom rate demand mounted on the side of the camera body. Similarly, in this television camera, a focus demand and a zoom rate demand are operated by a cameraman.

By the way, in addition to the focus demand and the zoom rate demand described above, the TV camera has an anti-vibration switch for operating the anti-vibration lens ON / OFF, a wiper switch for operating the wiper device ON / OFF, and an extender for operating the extender lens unit. An operation switch for a lens device such as a switch is provided. Conventionally, these lens device operation switches are attached to a handle provided on the back surface of the camera body and a handle provided on the back surface of the support frame of the built-up camera unit and operated by the cameraman's hand.
JP 2006-229783 A

  By the way, a cameraman who operates a television camera generally operates the focus demand and zoom rate demand while looking at the viewfinder of the camera body. However, when operating other lens device operation switches, the focus demand and zoom rate demand are also operated. It is preferable from the viewpoint of the shooting operation of the TV camera that the operation is performed.

  However, in a conventional television camera in which the camera body or the built-up camera unit is provided with a focus demand and a zoom rate demand, other lens device operation switches are located away from the focus demand and the zoom rate demand. Because it is arranged on the handle provided on the back of the main unit and the handle provided on the back of the support frame of the built-up camera unit, other lens device operations must be taken away from the focus demand and zoom rate demand. There was a disadvantage that the switch could not be operated and the operability of the TV camera was poor. In addition, since the position of the switch must be checked once with the eyes, it is necessary to keep an eye on the viewfinder.

  The present invention has been made in view of such circumstances, and can improve the operability of the television camera by enabling the operation of the lens device operation switch while operating the focus operation member and the zoom operation member. An object of the present invention is to provide a mounting bracket for an operation switch for a lens device.

  According to a first aspect of the present invention, in order to achieve the above object, a focus operation member for operating a focus lens of a lens device or a zoom of the lens device on a camera body or a built-up camera unit on which the camera body is supported. In a television camera to which a zoom operation member for operating a lens is attached, an operation switch for a lens device for operating the lens device is provided on a handle provided on the camera body or a handle provided on the built-up camera unit. Attached metal fittings are detachably mounted, and the lens device operation switch is disposed in proximity to the focus operation member or zoom operation member by the metal fittings.

  According to the first aspect of the present invention, when a bracket is attached to the handle of the camera body or the handle of the built-up camera unit, the lens device operation switch attached to the bracket is a focus operation member or a zoom operation member. Is placed close to. Thereby, the operation switch of the lens device can be operated while operating the focus operation member or the zoom operation member, so that the operability of the television camera is improved.

  According to a second aspect of the present invention, in order to achieve the above object, a focus operation member for operating a focus lens of a lens device or a zoom of the lens device on a camera body or a built-up camera unit on which the camera body is supported In a television camera to which a zoom operation member for operating a lens is attached, a lens device for operating the lens device on an attachment seat previously attached to the camera body or an attachment seat previously attached to the built-up camera unit A metal fitting to which an operation switch is attached is detachably attached, and the lens device operation switch is disposed in proximity to the focus operation member or the zoom operation member by the metal fitting.

  According to the second aspect of the present invention, when the bracket is attached to the mounting seat of the camera body or the mounting seat of the built-up camera unit, the lens device operation switch attached to the bracket is the focus operation member or zoom. Close to the operation member. Thereby, the operation switch of the lens device can be operated while operating the focus operation member or the zoom operation member, so that the operability of the television camera is improved.

  According to a third aspect of the present invention, in the first or second aspect, the lens device operation switch includes an anti-vibration switch for turning on / off the anti-vibration lens of the lens device, and an ON / OFF of the wiper device of the lens device. The wiper switch is operated to be turned off, and the extender switch is operated to operate the extender lens portion of the lens device.

  According to the third aspect of the present invention, the vibration control switch, the wiper switch, and the extender switch can be operated while operating the focus operation member and the zoom operation member, so that the operability of the television camera is improved.

  According to a fourth aspect of the present invention, in the invention according to the first, second, or third aspect, the metal fitting is provided with a position adjusting unit that adjusts an arrangement position of the lens device operation switch. It is said.

  According to the fourth aspect of the present invention, the position of the lens device operation switch with respect to the focus operation member and the zoom operation member can be adjusted by the position adjusting portion provided on the metal fitting. It can be arranged at a position according to the preference of the user. This further improves the operability of the television camera.

  According to a fifth aspect of the present invention, in the fourth aspect, the position adjustment unit of the metal fitting is at least one adjustment unit among a vertical direction adjustment unit, a horizontal direction adjustment unit, and a rotation direction adjustment unit. It is said.

  According to the fifth aspect of the present invention, the lens device operation switch is positioned according to the cameraman's preference using the vertical adjustment unit, horizontal adjustment unit, or rotation direction adjustment unit of the position adjustment unit of the metal fitting. Further, the position can be finely adjusted.

  According to the mounting bracket of the operation switch for the lens device according to the present invention, when the bracket is attached to the handle of the camera body and the handle of the built-up camera unit, the operation switch for the lens device attached to the bracket is a focus operation member, Alternatively, since it is disposed close to the zoom operation member, it is possible to operate the lens device operation switch while operating the focus operation member or the zoom operation member, thereby improving the operability of the television camera.

  Further, according to the mounting bracket for the lens device operation switch according to the present invention, when the bracket is mounted on the mounting seat of the camera body or the built-up camera unit, the lens device operating switch is mounted on the mounting bracket. Is placed close to the focus operation member or zoom operation member, so that the lens device operation switch can be operated while operating the focus operation member or zoom operation member, thereby improving the operability of the TV camera. To do.

  A preferred embodiment of a mounting bracket for an operation switch for a lens device according to the present invention will be described below in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view of a television camera 12 to which a mounting bracket 10 for an operation switch for a lens device according to a first embodiment of the present invention is applied, seen from an obliquely upward rear side.

  The television camera 12 includes a camera body 16 having an electronic viewfinder 14 and a box-type lens device 18, and the camera body 16 is supported on a tripod 20 via a head device (not shown). The pan head device 22 has a pan rod 22 extending rearward. A cameraman grasps the grip 23 of the pan rod 22 with the left hand and moves the pan head device up and down and left and right. Via the pan and tilt directions. The grip 23 is provided with a normal zoom rate demand (zoom operation member).

  A handle 24 for carrying the camera body 16 is provided on a side surface of the camera body 16. The handle 24 is formed in a prismatic shape, is provided substantially in parallel with the photographing optical axis of the television camera 12, and is provided at a substantially central portion on the right side when viewed from the rear of the camera body 16. The mounting bracket (metal fitting) 10 of the embodiment is detachably attached to the handle 24. A focus demand (focus operation member) 26 that is operated by the cameraman with the right hand is rotatably mounted on the lower rear portion of the right side surface of the camera body 16. Therefore, the cameraman can operate the zoom rate demand while holding the grip 23 of the pan bar 22 with the left hand, and can operate the focus demand 26 with the right hand while viewing the image reflected on the electronic viewfinder 14. Although the focus demand 26 is illustrated in the embodiment, a zoom rate demand (zoom operation member) may be provided on the side surface of the camera body 16 instead. In the embodiment described below, the focus demand 26 will be described, but it goes without saying that a zoom rate demand may be applied instead of the focus demand 26.

  The focus demand 26 includes a cylindrical operation handle 28 and a main body 30 that rotatably supports the operation handle 28. Information indicating the rotation direction and rotation speed of the operation handle 28 is obtained from a cable (not shown) through a lens. It is output to the focus drive control unit of the device 18. The focus drive control unit drives the focus lens of the lens device 18 based on information indicating the rotation direction and rotation speed of the operation handle 28 to perform focus control.

  On the other hand, as shown in FIG. 2, the mounting bracket 10 includes a first bracket 32, a second bracket 34, and a third bracket 36 to which a switch unit (lens device operation switch) 44 is mounted. . The first metal fitting 32 is formed with a recess 38 that fits into the handle 24. The prismatic handle 24 is surrounded by the recess 38 and the flat plate-like second metal piece 34 as shown in FIG. 1, and the lower edge of the second metal piece 34 is provided in the bar 40 provided on the first metal piece 32. In this state, the upper end portion of the second metal fitting 34 is fastened to the first metal fitting 32 by bolts 42, 42, so that the first metal fitting 32 is attached to the handle 24. Also, if the bolts 42 and 42 are loosened in this state, the first metal fitting 32 becomes slidable in the horizontal direction along the handle 24, and the first metal fitting 32 moves to the focus demand 26 by sliding. On the other hand, it is moved back and forth in the horizontal direction. As a result, the horizontal position of the switch unit 44 described later with respect to the focus demand 26 is adjusted. The structure in which the bolts 42 and 42 are loosened and the first metal fitting 32 is slid and moved along the handle 24 constitutes a horizontal adjustment unit of the position adjustment unit.

  As shown in FIG. 2, at the lower portion of the first metal fitting 32, a star seat 48 having a screw hole 46 formed at the center is fixed, and the star seat 50 fixed to the third metal fitting 36 is fixed to the star seat 48. Are engaged. A bolt 54 with a knob is inserted through a through-hole 52 formed in the center of the Kikuza 50 and screwed into the screw hole 46 of the Kikuza 48 so that the third metal fitting is connected to the first metal fitting 32. 36 are connected. Further, the tilt position (rotation position) of the third metal fitting 36 with the knob-equipped bolt 54 as the center of rotation can be adjusted by appropriately adjusting the meshing position in the rotation direction of the chrysanthemum 50 with respect to the chrysanthemum 48. . The structure for rotating the scorpion 50 with respect to the scorpion 48 constitutes the rotation direction adjustment unit of the position adjustment unit.

  Therefore, the position of the switch unit 44 with respect to the focus demand 26 can be adjusted by appropriately operating the horizontal direction adjustment unit and the rotation direction adjustment unit described above. In the embodiment, as shown in FIG. 1, the switch unit 44 is brought close to the focus demand 26 by refracting the mounting bracket 10 in an inverted L shape. Accordingly, the switch unit 44 can be operated with the right hand of the cameraman holding the focus demand 26 without releasing the right hand from the focus demand 26.

  The switch unit 44 is provided with an anti-vibration switch 56 for turning on / off the anti-vibration lens of the lens device 18 and a wiper switch 58 for turning on / off the wiper device of the lens device 18. Further, an extender switch for operating the extender lens portion of the lens device 18 may be provided in the switch unit 44. The ON / OFF signals from these switches are output to a predetermined drive unit of the lens device 18 via the cable 59.

  As described above, according to the lens device operation switch mounting bracket 10 of the first embodiment, when the mounting bracket 10 is mounted on the handle 24 of the camera body 16, the lens device switch mounted on the mounting bracket 10 is used. Since the unit 44 is disposed in proximity to the focus demand (zoom rate demand) 26, while the focus demand (zoom rate demand) 26 is operated, the vibration isolating switch 56, the wiper switch 58, or the extender switch of the switch unit 44 is turned on / off. An OFF operation can be performed. Thereby, the operativity of the television camera 12 improves.

  FIG. 3 is a perspective view of the built-up camera unit 62 to which the mounting bracket 60 of the operation switch for a lens device according to the second embodiment of the present invention is applied as viewed from the rear and obliquely above. In addition, the same code | symbol is attached | subjected and demonstrated about the same or similar member as 1st Embodiment shown in FIG. 1, FIG.

  The built-up camera unit 62 supports a handy type camera body (not shown) and a support frame 64 on which the electronic viewfinder 14 is mounted, a tripod 66 that supports the support frame 64, and a lens device connected to the camera body. It is composed of a lens cover 68 and the like for housing (not shown).

  A handle 70 for carrying the support frame 64 is provided on the side surface of the support frame 64 of the build-up camera unit 62. The handle 70 is formed in a prismatic shape, is provided substantially parallel to the photographing optical axis of the camera body supported by the support frame 64, and is provided at the upper part of the right side when viewed from the rear of the camera body 16. The mounting bracket (metal fitting) 60 of the embodiment is detachably attached to the handle 70. In addition, a focus demand 26 that is operated by the cameraman with the right hand is rotatably mounted on the lower rear side of the right side surface of the support frame 64.

  As shown in FIG. 4, the mounting bracket 60 includes a first bracket 72, a second bracket 74, a third bracket 76, a fourth bracket 78 to which the switch unit 44 is mounted, and the like. The first fitting 72 is formed with a recess (not shown) that fits into the handle 70. The prism 70 is surrounded by the recess and the flat plate-like second metal piece 74, and the lower edge of the second metal piece 74 is locked to the bar 80 provided on the first metal piece 72. In this state, the upper end of the second metal fitting 74 is fastened to the first metal fitting 72 with bolts 82, 82, so that the first metal fitting 72 is attached to the handle 70. If the bolts 82 are loosened in this state, the first metal fitting 72 becomes slidable along the handle 70, and the first metal fitting 72 moves forward and backward relative to the focus demand 26 by sliding. Is done. As a result, the horizontal position of the switch unit 44 with respect to the focus demand 26 is adjusted. The structure in which the bolts 82 are loosened and the first metal fitting 72 is slid along the handle 70 constitutes a horizontal adjustment portion of the position adjustment portion.

  A pair of long holes 84, 84 are formed in the vertical direction at the bottom of the first metal fitting 72. The upper end portion of the third metal fitting 76 is fastened to the elongated holes 84, 84 via bolts 86, 86 and nuts (not shown). If the bolts 86, 86 are loosened in this state, the third metal fitting 76 can be slidably moved in the vertical direction along the elongated holes 84, 84. Is moved forward and backward. Thereby, the vertical position of the switch unit 44 with respect to the focus demand 26 is adjusted. The structure in which the bolts 86 and 86 are loosened and the third metal fitting 76 is slid and moved in the vertical direction with respect to the first metal fitting 72 constitutes the vertical adjustment part of the position adjustment part. The reason for providing the vertical adjustment is that the handle 70 of the built-up camera unit 62 is provided at a position higher than the handle 24 of the camera body 16 shown in FIG. This is to adjust the difference in height.

  At the lower portion of the third metal fitting 76, a star seat 90 having a screw hole 88 formed at the center is fixed, and the star seat 92 fixed to the fourth metal fitting 78 is engaged with the star seat 90. . A bolt 96 with a knob is inserted through a through-hole 94 formed in the center of the Kikuza 92 and screwed into the screw hole 88 of the Kikuza 90, so that the third bracket 76 is connected to the fourth bracket 78. Are concatenated. Further, the tilt position (rotation position) of the fourth metal fitting 78 around the rotation of the bolt 96 with the knob can be adjusted by appropriately adjusting the meshing position in the rotation direction of the chrysanthemum 92 with respect to the chrysanthemum 90. . The structure for rotating the scorpion 92 with respect to the scorpion 90 constitutes the rotation direction adjustment unit of the position adjustment unit.

  Therefore, the arrangement position of the switch unit 44 with respect to the focus demand 26 can be adjusted by appropriately operating the horizontal direction adjustment unit, the vertical direction adjustment unit, and the rotation direction adjustment unit described above. In the embodiment, as shown in FIG. 3, the switch unit 44 is brought close to the focus demand 26 by refracting the mounting bracket 60 in an inverted L shape. Accordingly, the switch unit 44 can be operated with the right hand of the cameraman holding the focus demand 26 without releasing the right hand from the focus demand 26. Therefore, the switch unit 44 can be turned on / off while operating the focus demand (zoom rate demand) 26, so that the operability of the television camera 12 is improved.

  FIG. 5 is a perspective view of the built-up camera unit 62, to which the mounting bracket 100 for the lens device operation switch according to the third embodiment of the present invention is applied, seen from the rear and obliquely upward. In addition, the same code | symbol is attached | subjected and demonstrated about the same or similar member as 2nd Embodiment shown in FIG. 3, FIG.

  At the rear lower part of the side surface of the support frame 64 of the built-up camera unit 62, as shown in FIG. 6, a star seat 102 as a mounting seat is provided in advance, and the mounting bracket 100 can be attached and detached using this star seat 102. Can be installed freely. Above the chrysanthemum 102, a focus demand 26 that is operated by the cameraman with the right hand is rotatably mounted.

  The mounting bracket 100 includes a first bracket 104, a second bracket 106, a third bracket 108 to which the switch unit 44 is mounted, and the like.

  A one-sided portion of the first metal fitting 104 is fixed with a star seat 112 in which a through hole 110 is formed. In this state, the bolt 114 with a knob is inserted through the through hole 110 of the Kikuza 112 and screwed into the screw hole 116 of the Kikuza 102, whereby the first metal fitting 104 is connected to the Kikuza 102. Further, the tilt position (rotation position) of the first metal fitting 104 with the knob-attached bolt 114 as the center of rotation can be adjusted by appropriately adjusting the meshing position of the chrysanthemum 112 in the rotation direction with respect to the chrysanthemum 102. . The structure for rotating the ceremonial seat 112 with respect to the constellation 102 constitutes the rotation direction adjusting portion of the position adjusting portion.

  In addition, to the other end portion of the first metal fitting 104, a Kikuza 120 having a screw hole 118 formed at the center is fixed, and the Kikuza 122 is engaged with the Kikuza 120. In this state, a bolt 126 with a knob is inserted through a long hole 124 formed in the vertical direction of the second metal fitting 106 and a through hole 126 formed in the center of the chrysanthemum 122, and the screw hole 118 of the chrysanthemum 120. The second metal fitting 106 is connected to the first metal fitting 104 by being screwed together. Further, the tilt position (rotation position) of the second metal fitting 106 with the knob-attached bolt 126 as the center of rotation can be adjusted by appropriately adjusting the meshing position in the rotation direction of the chrysanthemum 122 with respect to the chrysanthemum 120. . The structure for rotating the scorpion 122 with respect to the stigmata 120 constitutes the rotation direction adjustment unit of the position adjustment unit. Also, if the knob-attached bolt 126 is loosened in this state, the second metal fitting 106 can be slid along the elongated hole 124 in the vertical direction. The structure in which the bolt 126 with knob is loosened and the second metal fitting 106 is slid and moved in the vertical direction constitutes the vertical adjustment portion of the position adjustment portion.

  In addition, a Kikuza 130 having a screw hole 128 formed in the center is fixed to the upper end of the second metal fitting 106, and the Kikuza 132 of the third metal fitting 108 is engaged with the Kikuza 130. The In this state, a bolt 136 with a knob is inserted through a through-hole 134 formed in the center of the chrysanthemum 132 and screwed into the screw hole 128 of the chrysanthemum 130 to connect the second fitting 106 to the third fitting 106. Are connected to each other. Further, the tilt position (rotation position) of the third metal fitting 108 around the rotation of the bolt 136 with the knob can be adjusted by appropriately adjusting the meshing position in the rotation direction of the chrysanthemum 132 with respect to the chrysanthemum 130. . The structure for rotating the scorpion 132 with respect to the squirrel 130 constitutes the rotation direction adjustment unit of the position adjustment unit.

  Therefore, the position of the switch unit 44 with respect to the focus demand 26 can be adjusted by appropriately operating the vertical adjustment unit and the rotation direction adjustment unit described above. In the embodiment, as shown in FIG. 5, the switch unit 44 is brought close to the focus demand 26 by refracting the mounting bracket 100 in an inverted L shape. Accordingly, the switch unit 44 can be operated with the right hand of the cameraman holding the focus demand 26 without releasing the right hand from the focus demand 26. Therefore, the switch unit 44 can be turned on / off while operating the focus demand (zoom rate demand) 26, so that the operability of the television camera 12 is improved.

  The mounting brackets according to the first to third embodiments described above include two adjustment units among the horizontal direction adjustment unit, the vertical direction adjustment unit, and the rotation direction adjustment unit, but are not limited thereto. By changing the size and shape of the brackets that make up the mounting bracket, the lens device operation switch is placed close to the focus operation member by providing at least one of these adjustment sections. can do. Further, the present invention is not limited to a mounting bracket having a structure in which a plurality of metal fittings are connected using a star seat, and an integrated mounting metal fitting can also be applied.

The perspective view which looked at the television camera to which the mounting bracket of the operation switch for lens apparatuses which concerns on 1st Embodiment was applied from diagonally upward on the back Assembly perspective view of the mounting bracket shown in FIG. The perspective view which looked at the built-up camera unit to which the mounting bracket of the operation switch for lens devices concerning a 2nd embodiment was applied from the back slanting upper part Assembly perspective view of the mounting bracket shown in FIG. The perspective view which looked at the built-up camera unit to which the mounting bracket of the operation switch for lens devices concerning a 3rd embodiment was applied from the back slanting upper part Assembly perspective view of the mounting bracket shown in FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Mounting bracket, 12 ... Television camera, 14 ... Electronic viewfinder, 16 ... Camera body, 18 ... Lens apparatus, 24 ... Handle, 26 ... Focus demand, 44 ... Switch unit, 56 ... Anti-vibration switch, 58 ... Wiper switch , 60 ... Mounting bracket, 62 ... Built-up camera unit, 64 ... Support frame, 70 ... Handle, 100 ... Mounting bracket

Claims (5)

In a television camera in which a camera body or a built-up camera unit that supports the camera body is attached with a focus operation member that operates a focus lens of a lens apparatus or a zoom operation member that operates a zoom lens of a lens apparatus.
The handle provided on the camera body or the handle provided on the built-up camera unit is detachably mounted with a metal fitting to which a lens device operation switch for operating the lens device is attached.
The lens apparatus operation switch mounting bracket is characterized in that the lens apparatus operation switch is disposed in proximity to the focus operation member or the zoom operation member. In a television camera in which a camera body or a built-up camera unit that supports the camera body is attached with a focus operation member that operates a focus lens of a lens apparatus or a zoom operation member that operates a zoom lens of a lens apparatus.
A mounting bracket attached in advance to the camera body, or a mounting seat pre-installed in the built-up camera unit, is detachably mounted with a bracket to which a lens device operation switch for operating the lens device is attached.
The lens apparatus operation switch mounting bracket is characterized in that the lens apparatus operation switch is disposed in proximity to the focus operation member or the zoom operation member.   The lens device operation switch operates an anti-vibration switch for turning on / off a vibration-proof lens of the lens device, a wiper switch for turning on / off a wiper device of the lens device, and an extender lens unit of the lens device. The mounting bracket for the operation switch for the lens device according to claim 1, wherein the mounting bracket is an extender switch.   4. The lens device operation switch according to claim 1, wherein the metal fitting is provided with a position adjusting unit that adjusts an arrangement position of the lens device operation switch. 5. Mounting bracket.   5. The lens device operation switch according to claim 4, wherein the position adjustment unit of the metal fitting is at least one of a vertical direction adjustment unit, a horizontal direction adjustment unit, and a rotation direction adjustment unit. Mounting bracket.

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