JP2004258633A - Device for preventing camera shake in telephotography - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for preventing camera shake in telephotography capable of maintaining the straddle attitude of a tripod in a stable state and obtaining a pretty image entirely free of blurring in taking a picture by integrally coupling a base for fixing a camera joined with a super-telephoto lens and the tripod. <P>SOLUTION: The device 10 for preventing camera shake comprises a placing and fixing section 6 for the telephoto lens 5 constituted by providing the rectangular base 1 freely attachably and detachably mounted on a camera pan head 2a of the tripod with a fixed support table 4 changeable to horizontal fixed attitude and a vertically rotationally moving attitude with respect to the base 1, and a pair of connecting support rods 8 hung from the front wall side of the base 1 and freely fixing position adjustably attached to the right and left front legs 2b of the tripod 2 and providing a pair of moving blocks 29 movable in the longitudinal direction of the base 1 with supporting arms 21, respectively, and freely forward and backwardly rotationally movably installed a V-shaped bearing and receiving seat 23 for bearing a cylindrical section 5a of the telephoto lens between the opposite upper ends of the supporting arms 21. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

  The present invention relates to a camera shake preventing device in telephoto shooting, and more specifically, a base for fixing a camera to which a super-telephoto lens is attached is mounted on a tripod head, and the base and the tripod are integrated via a connecting support rod. By connecting the tripod and holding the tripod in a stable open position, the camera can follow the movement of the camera platform during shooting, and the mounting position of the camera is integrated with the super-telephoto lens, such as upward, downward, sideways, etc. The present invention relates to a camera shake prevention apparatus for telephotography that can select a desired image quality, can prevent blurring in the movable range of the camera platform, and can accurately capture an object without any blurring.

Photo enthusiasts and professional photographers who shoot with a telephoto lens attached to the camera naturally use a tripod for telephoto shooting, but in reality it is not possible to obtain beautiful images without camera shake is there. Therefore, photography enthusiasts fixed the camera on one tripod using two tripods, provided a mounting table for a telephoto lens on the other tripod, and joined the camera and the telephoto lens to shoot, or The actual situation is that a stand is used, a mount for a telephoto lens is mounted on a tripod, a camera is fixed to the stand, and the camera and the telephoto lens are joined to shoot. However, with this kind of shooting method, even if camera shake during shooting can be prevented, fine adjustment of framing such as height and angle takes time and effort, and it is not easy to adjust the angle of view, so you can fully enjoy the real thrill of telephoto shooting. There was a drawback that could not be done.
No suggestion

  The present applicant has recently filed a patent application for a "camera blur prevention device in telephoto shooting" in order to solve the drawbacks of the conventional shooting method (Japanese Patent Application No. 2002-155179). According to the present invention, in a state where the camera and the telephoto lens are joined together, the camera is fixed to a base mounted on a tripod head, and a seat for fixing the cylindrical portion of the telephoto lens in a holding state is provided. The base and the tripod are integrally connected to each other so that the tripod is maintained in a stable open position. However, in the recent camera boom, a super-telephoto lens covering a focal length of 400 mm has emerged, and the number of photographers and professional photographers who enjoy super-telephoto photography using this lens has increased, especially among beginners among photographers. With this increase, even a beginner can easily adjust the framing, accurately shoot the subject without any blurring, and obtain a beautiful image. The device was eager.

  The present invention has been made in the course of research and development in pursuit of an improvement in camera shake prevention performance in telephoto shooting in view of the above-described situation, and is intended to include a telephoto lens. When mounting and fixing the camera on the tripod head, the camera and tripod can be connected securely and easily by simple operation, and the camera can be mounted and fixed without any camera shake. Photo enthusiasts and professional photographers who enjoy super-telephoto shooting by making adjustments easy and following the movement of the camera platform to freely select the mounting posture of the camera and obtain beautiful images when shooting It is an object of the present invention to provide a camera shake preventing apparatus which can sufficiently satisfy the above-mentioned demand.

  In order to solve the problem, a first technical means adopted by the present invention is a rectangular base detachably mounted on a tripod head, and a tripod having two legs as a front leg and one leg as a rear leg. A pair of connecting support rods suspended from the left and right ends of the front wall of the base in a legged shooting posture and fixedly attached to the left and right front legs of the tripod so as to be adjustable in position; A camera shake prevention device for telephoto shooting, comprising a telephoto lens mounting / fixing portion slidable in a direction and a fixed position adjustable, and a camera fixed support provided on a rear side of the base; The mounting and fixing portion pivotally attaches to a pair of moving blocks that can move in the longitudinal direction along rails provided on the left and right side walls of the base, and slidably in the front-rear direction and can freely adjust the tilt angle. , The upper end of each support arm A V-shaped support seat for supporting the telephoto lens cylindrical portion from below is provided so as to be rotatable back and forth, and the fixed support base has a horizontally fixed posture and a vertically rotated posture with respect to the base. It is characterized in that it is provided so that it can be transformed.

  A second technical means adopted by the present invention is a shooting position in which a tripod head is detachably mounted on a rectangular base, and a tripod is a two-legged front leg and a one-legged rear leg. A connecting support rod consisting of a pair of shock absorbers suspended from the left and right ends of the front wall of the base and attached to the left and right front legs of the tripod, and slidably and fixed in the longitudinal direction on the front side of the rectangular base. A camera shake prevention device in a telephoto system comprising a position-fixable telephoto lens mounting and fixing portion and a camera fixing support provided on the rear side of the base, wherein the mounting and fixing portion of the telephoto lens includes: Support arms slidable in the front-rear direction and fixed at an adjustable tilt angle are pivotally mounted on a pair of moving blocks that can move in the longitudinal direction along the rails provided on the left and right side walls of the base, respectively, and the upper ends of the respective support arms Telephoto between The horizontal support seat that supports the cylindrical part from below is fitted over the horizontal support shaft and straddled, and at one end of the support shaft, the camera supported by the fixed support is changed from the horizontal position to the horizontal position. When deformed, the base end of a rod-shaped seat pillow that supports the telephoto lens cylindrical portion from below is pivotally connected, and the fixed support base is horizontally fixed and vertically rotated with respect to the base. It is characterized by being provided so that it can be transformed.

  The third technical means adopted by the present invention is a shooting posture in which a rectangular base detachably attached to a tripod head and a tripod with one leg as a front leg and two legs as a rear leg are opened. A connecting support rod consisting of a shock absorber suspended from the center of the front wall of the base and attached to the front leg of the tripod; and a slidable and fixed position adjustable in the longitudinal direction on the front side of the rectangular base. An apparatus for preventing camera shake in telephoto shooting, comprising a mounting and fixing portion of a telephoto lens and a fixing support for a camera provided on the rear side of the base, wherein the mounting and fixing portion of the telephoto lens includes left and right side walls of the base. A pair of movable blocks that can move in the longitudinal direction along the rails provided respectively are pivotally mounted with support arms that are slidable in the front-rear direction and that can adjust the inclination angle. , Telephoto lens cylindrical part When a horizontal bearing supported from below is fitted over a horizontal support shaft and straddled, and a camera supported by a fixed support is transformed from a horizontal posture to a lateral posture at one end of the support shaft. The base end of a rod-shaped seat pillow that supports the telephoto lens tubular portion from below is pivotally connected, and the fixed support base can be transformed into a horizontal fixed posture and a vertical rotation posture with respect to the base. Are provided.

  The fourth technical means adopted by the present invention is a rectangular base detachably mounted on a tripod head, and of the tripods, two legs are opened to the front and back and one is positioned to the other side. In the shooting posture, the connecting support rod consisting of a pair of shock absorbers suspended from the center of the front wall and the rear wall of the base and attached to the front leg and the rear leg of the tripod, and the front side of the rectangular base A telephoto lens comprising a telephoto lens mounting / fixing part slidable in the longitudinal direction and a fixed position adjustable, and a camera fixing support base located at the rear side of the base and provided at a central portion of the base. An apparatus for preventing camera shake in system-based photography, wherein the mounting and fixing portion of the telephoto lens includes a pair of moving blocks that can move longitudinally along rails provided on left and right side walls on the front side of the base. A movable support arm that can move and adjust the tilt angle A horizontal receiving seat for supporting the telephoto lens cylindrical portion from below is fitted to the horizontal support shaft and straddled between the upper ends of the respective support arms. On one end side, when the camera supported by the fixed support is transformed from a horizontal position to a horizontal position, the base end of a rod-shaped seat pillow that supports the telephoto lens cylindrical portion from below is pivotally connected. The mounting and fixing portion of the camera body is slidable in the front-rear direction and can be fixed to adjust the tilt angle to a pair of moving blocks that can move in the longitudinal direction along rails provided on the left and right side walls on the rear side of the base. A support arm is pivotally attached to each of the support arms, and a horizontal support seat for supporting the camera body from below is fitted to a horizontal support shaft and straddled between upper ends of the support arms. Things.

  A fifth technical means adopted by the present invention is that each support arm of the mounting and fixing portion of the telephoto lens is provided with a long groove along a longitudinal direction thereof, and a connecting bolt is provided between each long groove of the opposing support arm. Through the moving blocks, and tightening and releasing the connecting bolts to fix and change the front and rear sliding fixed positions of the moving blocks and the front and rear sliding positions and tilt angle positions of the respective support arms. It is characterized in that it is configured to do so.

  According to a sixth technical means employed in the present invention, a long groove is formed in each support arm of the mounting and fixing portion of the camera body along a longitudinal direction thereof, and a connecting bolt is provided between each long groove of the opposing support arms. Through the moving blocks, and tightening and releasing the connecting bolts to fix and change the front and rear sliding fixed positions of the moving blocks and the front and rear sliding positions and tilt angle positions of the respective support arms. It is characterized in that it is configured to do so.

  Therefore, according to the present invention, since the camera and the base on which the telephoto lens is fixed and the tripod are integrally connected via the connection support rod, the tripod can be held in a stable open state, and at the time of shooting. In accordance with the movement of the camera platform, you can freely select and fix the desired mounting orientation of the camera, such as upward, downward, or sideways, and easily adjust the angle of view and angle of view in the movable range of the camera platform. Because it is possible, when the shutter is released using the release, a clear image without any camera shake can be obtained.

Embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In FIG. 1, reference numeral 1 denotes a base which is detachably mounted on a camera platform 2a of a tripod 2, and the tripod 2 has a shooting posture in which two legs are used as front legs and one leg is used as a rear leg. It is formed in a rectangular shape in a plan view, and a fixed support 4 for fixing the camera 3 is provided at its rear side so as to be vertically rotatable, and the front side of the base 1 is slid in its longitudinal direction. A mounting and fixing portion 6 of a telephoto lens 5 which is movable and adjustable in a fixed position is provided, and a pair of connecting support rods 8 and 8 are provided on the left and right end sides of the front wall of the base 1 via mounting blocks 7. Is mounted on the left and right front legs 2b, 2b of the tripod 2 so as to be adjustable in fixed position. Is configured. The connection support rods 8 are formed of a tubular or rod-shaped member.

  As shown in FIGS. 2 and 3, the fixed support base 4 fixes the rotating arms 4 a, 4 a on both rear side surfaces thereof, and connects the base ends of the rotating arms 4 a, 4 a to both side surfaces of the base 1. The fixed support base 4 can be transformed into a horizontally fixed posture A and a vertically rotated posture B with respect to the base 1 by inserting the rotating shafts 11 and 11 therebetween. A locking pin 12 protrudes from one side surface of the fixed support base 4, and a rotation base 13b of a rotation locking rod 13 integrally formed with a recess 13a facing the locking pin 12 is used as a base. 1, the fixed support base 4 is fixed in the horizontal fixed posture A by engagement of the locking pin 12 and the recess 13a, and the fixed support base 4 is vertically rotated by releasing the engagement. It can be transformed into a moving posture B. 14 is a regulating pin for regulating the rotation of the rotation locking rod 13, 15 is an operation pin of the rotation locking rod 13, and 16 is an attachment that penetrates the fixed support base 4 and fixes the camera 3 on the same base 4. Knob.

  The mounting and fixing portion 6 of the telephoto lens includes a pair of rails 18 and 18 formed along the concave long grooves 17 and 17 provided on the left and right side walls of the base 1 integrally on opposing inner surfaces so as to be slidable in the longitudinal direction. A pair of support arms 21, 21 having long grooves 20, 20 pierced in the longitudinal direction are respectively positioned on the outer surfaces of the respective moving blocks 19, 19. A V-shaped support receiving seat 23 on which the cylindrical portion 5a of the telephoto lens 5 is placed is tightened by a connecting bolt 22 with a knob penetrating therethrough, and the upper end of each of the support arms 21, 21 is opposed to the supporting shaft 23a. As shown in FIGS. 4 (a) and 4 (b), when the tightening of the connecting bolt 22 with the knob is released, the moving blocks 19, 19 are rotated. Move to any position in the front-back direction So it can also to knobbed connecting bolt 22, and is configured to be able to change the inclination angle with the longitudinal direction slide position of the support arms 21, 21 via the long grooves 20, 20

  On the other hand, a mounting block 7 formed in an inverted concave shape is provided at the left and right ends of the front rear surface of the base 1, and a pair of connecting support rods 8, 8 are respectively attached to the mounting blocks 7 via suspenders 24, 24. In addition to being suspended so as to be rotatable in the left-right and front-rear directions, the lower ends of the connection support rods 8, 8 are connected to the fasteners 9, 9 via suspending bodies 24, 24. 9 are respectively attached to the left and right front legs 2b, 2b so as to be adjustable in a fixed position so as to support the front side of the base 1 from below.

  The tightening members 9 and 9 are composed of a fixed split cylinder piece 9a and a movable split cylinder piece 9b supported by a support shaft (not shown) on which a coil machine is wound. 25, 25 is configured to adjust the fixed position of attachment to the left and right front legs 2b, 2b by loosely rotating.

  1a is a mounting hole drilled in the base 1, 2c is a mounting screw provided on the camera platform 2a, 2d is an adjustment lever for tilting the attitude of the camera platform 2a forward, backward, left and right, and 5a is a cylindrical portion of the telephoto lens 5. It is.

  Since the present invention of the first embodiment is configured as described above, now, when joining the telephoto lens 5 to the camera 3 and taking an image, first, the mounting screw 2c provided on the camera platform of the tripod 2 is used. The mounting hole 1a is screwed in, and the base 1 is mounted on the camera platform 2a of the opened tripod 2. Then, the fasteners 9, 9 of the connecting support rods 8, 8 suspended on the mounting block 7 of the base 1 are attached to the front legs 2b, 2b of the opened tripod 2, respectively, and tightened at the optimal photographing position of the camera 3. The fixtures 9 and 9 are fixed.

  Then, with the connection bolts 22 with knobs loosened, the moving blocks 19, 19 of the mounting and fixing portion 6 are moved back and forth along the long grooves 17, 17 in accordance with the front and rear length of the telephoto lens 5 to be joined to the camera 3 from now on. 4 (a) and 4 (b), the telescopic lens 5 and the V-shaped support seat are moved by swinging the support arms 21 and 21 to arbitrary positions in the front-rear and vertical directions as shown in FIGS. Fine adjustment is made so that the setting position of the cylindrical portion 5a supported by the support 23 is optimized.

  On the other hand, as shown in FIG. 3, the camera 3 is mounted by rotating the rotation locking rod 13 to the solid line position so that the locking pin 12 of the fixed support base 4 and the recess 13a of the rotation locking rod 13 The engagement is released, the fixed support 4 is transformed into the vertical rotation posture B, and the camera 3 may be fixed to the fixed support 4 via the mounting knob 16 in this state. Thereafter, the fixed support base 4 is returned to the horizontal fixed posture A again, and the locking pin 12 of the fixed support base 4 is engaged with the concave portion 13a of the rotation locking rod 13, so that the fixed support base 4 is Will be fixed on top.

  Thereafter, the telephoto lens 5 is joined to the camera 3, and in this state, the fine adjustment of the support arms 21, 21 may be performed again so that the setting of the telephoto lens 5 and the cylindrical portion 5a is at an optimum position.

  After setting the telephoto lens 5 as described above, the camera 2 and the telephoto lens 5 are mounted by operating the camera platform 2a of the tripod 2 with the adjustment lever 2d from the horizontal state shown in FIG. 2 to FIG. When setting upward, the tightening tools 9, 9 fixed to the front legs 2b, 2b of the tripod 2 are first relaxed by rotating the photographing tools 25, 25, and the adjusting lever is maintained in this relaxed state. When the pan head 2a is tilted upward by operating 2d, the linking support rods 8, 8 move upward along the front legs 2b, 2b of the tripod 2 in conjunction with this, so that the photographing tool 25 is moved to a desired position. , 25 are rotated to tighten the fixed divided tubular piece 18a and the movable divided tubular piece 18b, so that the camera 3 and the telephoto lens 5 are fixed at that position.

  As shown in FIG. 6, when it is desired to set the camera 3 and the telephoto lens 5 downward, the user can relax the fasteners 9 and 9 and then operate the camera platform 2a downward. , 8 move down via the fasteners 9, 9 which move down along the front legs 2b, 2b, so that the fasteners 9, 9 may be tightened at desired positions.

  Accordingly, the base 1 for fixing the camera 3 and the telephoto lens 5 and the tripod 2 and the tripod 2 are connected to the connecting support rod 8 in accordance with the mounting posture of the camera 3 and the telephoto lens 5 which change shape following the movement of the camera platform 2a. , 8 and the clamps 9, 9, which are integrally fixed by the three-point support structure, so that the tripod 2 which is opened can be held in a stable state, and when taking a telephoto shot, the shutter is released using the release. Even a person who has no experience in super-telephoto shooting, or a person who is inexperienced and unfamiliar with it, can obtain a beautiful image without any blurring, and can fully satisfy the real pleasure of super-telephoto shooting.

  In addition, the fixed support base 4 of the camera 3 releases the engagement between the locking pin 12 and the recess 13 a of the rotation locking rod 13, so that the fixed support base 4 is horizontally fixed with respect to the base 1 fixed on the camera platform 2. Since the camera 3 can be changed from the vertical rotation posture B to the vertical rotation posture B, the overall weight balance with respect to the tripod 2 can be changed by changing the camera 3 to the vertical rotation posture B with the shooting posture set to horizontal, upward and downward. It is easy to replace various cameras and telephoto lenses without breaking down, eliminating the need for troublesome work of re-adjusting the shooting posture every time the lens is replaced, and the same shooting again after lens replacement It is possible to continue telephoto shooting in the posture.

  In the second embodiment, as in the first embodiment, two of the tripods are used as front legs, and a part of the configuration is improved to further facilitate the framing operation such as the adjustment of the angle of view. The feature is that the effect is further ensured.

  Specifically, as shown in FIGS. 7 and 8 in the second embodiment, the connection support rod 8 formed of a tubular or rod-shaped member of the first embodiment is, as shown in FIGS. The oil damper 8a is provided with a tightening device 8a 'for fixing the position of the oil damper 8a when it is deformed following the movement of the camera platform 2a.

  In the V-shaped support seat 23 of the telephoto lens cylindrical portion 5a of the first embodiment, the cylindrical body 23b is fitted to the horizontal support shaft 23a in the second embodiment, and the cylindrical body 23b is straddled between the left and right support arms 21, 21. The horizontal bearing seat 26 was constructed.

  Further, in the second embodiment, the base end is pivotally attached to one end of the horizontal support shaft 23a and normally housed at the upper edge of the support arm 21, and the camera 3 is transformed from a horizontal posture to a lateral posture. At this time, a rod-shaped seat pillow 27 that rotates forward by 90 degrees and supports the cylindrical portion 5a of the telephoto lens 5 from below is additionally provided.

  In the third embodiment, as shown in FIG. 9, one of the tripods is used as a front leg and the two legs are opened as a rear leg, and the oil damper is applied to the front leg from the central portion of the front wall of the base 1 of the first embodiment. The horizontal support seat 26 as an improved configuration and the rod-shaped seat pillow 27 as an additional configuration are completely the same as those in the second embodiment.

  The fourth embodiment differs from the first embodiment in that two of the tripods are opened to the front and rear sides, and a part of the configuration of the first embodiment is improved, and the same configuration as that added to the second embodiment is added. It has features.

  Specifically, as shown in FIG. 10, two of the tripods extend laterally and are opened forward and backward, and a monopod is extended in the photographing posture in which the other leg extends laterally. A connecting support rod 8a composed of an oil damper was suspended from the center of the wall to the front and rear legs.

  Next, in the fourth embodiment, the camera fixing support 4 configured to be able to be transformed into the horizontal fixed posture and the vertical fixed posture with respect to the base 1 in the first embodiment is fixed horizontally to the base 1 in the fourth embodiment. The camera body mounting / fixing portion 28 is located on the rear side of the base 1 and is slidable in the longitudinal direction thereof and the tilt angle can be fixed and adjusted. That is, the camera body mounting / fixing portion 28 includes a pair of rails 18a, 18a integrally formed on opposing inner surfaces along concave long grooves 17a, 17a provided on the left and right side walls on the rear side of the base 1 so as to be slidable in the longitudinal direction. A pair of support arms 21a, 21a each having a long groove 20a, 20a formed along the longitudinal direction are positioned on the outer surface of each of the moving blocks 19a, 19a. A horizontal support seat 26a on which a camera body is mounted by tightening a connecting bolt 22a with a knob penetrating therethrough, and fitting a cylindrical body 23b to a horizontal support shaft 23a between opposed upper ends of the support arms 21a, 21a. Are straddled.

  Further, in the fourth embodiment, as in the above-described second and third embodiments, a horizontal support 26 (not shown) for supporting the cylindrical portion 5a of the telephoto lens 5 from below at the upper end of the support arms 21 and 21; A rod-shaped seat pillow 27 (not shown) for supporting the lens from below when the lens is deformed sideways is additionally provided.

  As described above, the second to fourth embodiments are different from the first embodiment in that the connecting support rod 8 is constituted by the oil damper 8a, and the seat for supporting the telephoto lens cylindrical portion 5a from below is horizontally supported. Since the seat 26 and the rod-shaped seat pillow 27 are used, the framing operation such as the adjustment of the angle of view can be more easily performed, and the anti-shake can be made more reliable.

  That is, in the first embodiment, when the angle of view is adjusted by changing the mounting posture of the camera 3 and the telephoto lens 5, the support rod 8 connecting the base 1 and the tripod is formed of a tubular or rod-shaped member that does not expand and contract. If the tightening device 9 is not loosened each time, the moving operation of the camera platform 2a cannot be performed unless the tightening device 9 is loosened. In addition, the tightening device 9 that slides and moves along the tripod 2 in the process of moving the camera platform 2a. There is a fear that camera shake may occur due to the generated vibration such as friction.

  On the other hand, in the second to fourth embodiments, since the connecting support rod 8 is constituted by the elastic oil damper 8a, there is no need to loosen the fastener 9 at the time of adjusting the angle of view. In addition to being able to move, the camera shake which may occur in the process of moving the camera platform 2a is absorbed by the stroke of the oil damper 8a and can be prevented.

  Further, since the support seat of the telephoto lens cylindrical portion 5a of the first embodiment is formed in the V-shaped support seat 23, the shaft diameter of the telephoto lens cylindrical portion 5a is larger than the V-shaped open angle. In the case of, when the camera is placed in a horizontal position, the support state becomes unstable, and when the camera is changed from the horizontal position to the horizontal position, the support is not possible, so the blur prevention was insufficient. . On the other hand, in Embodiments 2 to 4, the support seat of the telephoto lens tubular portion 5a is formed in the horizontal support seat 26, so that the horizontal posture is maintained regardless of the shaft diameter of the telephoto lens tubular portion 5a. The support can be performed in a stable state, and even when the camera is transformed sideways, it can be supported by the rod-shaped seat pillow 27, so that the angle of view can be adjusted without blurring.

The camera shake preventing device of the present invention can be used for a surveying machine.
It is.

FIG. 2 is an overall perspective view showing a state in which a camera shake prevention device is mounted on a tripod with two of the tripods as front legs. FIG. 7 is a side view of a partially omitted main part showing a state in which the camera and the telephoto lens that are joined are horizontally fixed to a tripod. It is a side view with a part omitted main part which shows the state which changed the fixed support stand to the vertical rotation attitude | position with the camera fixed to this. (A) is an operation explanatory view showing a change state of the back and forth swing position and the tilt angle position of the support arm by dotted lines. (B) is an operation explanatory view showing the adjustment of the movement of the moving block in the front-rear direction by a solid line and a dotted line. FIG. 9 is a side view of a partially omitted main part showing a state where the camera is held in an upward shooting posture. FIG. 7 is a side view of a partially omitted main part showing a state in which the camera is held in a downward shooting posture. FIG. 6 is an overall perspective view of Example 2 in which two of the tripods are front legs. It is the whole side view of Example 2 which made two legs out of tripods a front leg. FIG. 9 is an overall perspective view of a third embodiment in which one of the tripods is a front leg. It is a principal part side view of Example 4 which opened two legs of a tripod to the front and back sides.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Base 2 Tripod 2a Pan head 2b Front leg 4 Camera fixed support base 5 Telephoto lens 5a Cylindrical part 6 Telephoto lens mounting and fixing part 8 Connection support rod 8a Connection support rod 10 Camera shake prevention device 17 Long groove 17a Long groove 18 Rail 18a Rail 19 Moving Block 19a Moving Block 20 Long Groove 20a Long Groove 21 Support Arm 21a Support Arm 22 Knob-Connecting Bolt 22a Knob-Connecting Bolt 23 V-Shaped Bearing 23a Horizontal Support Shaft 26 Horizontal Bearing 26a Horizontal Bearing 27 Rod Seat pillow 28 Camera body mounting and fixing part

Claims (6)

A rectangular base that is detachably mounted on a tripod head, and a shooting posture in which two legs are used as front legs and one leg is used as a rear leg, and suspended from the left and right ends of the front wall of the base. A pair of connecting support rods attached to the left and right front legs of the tripod so as to be capable of adjusting the fixed position, and a mounting and fixing portion of a telephoto lens which is slidable in the longitudinal direction and adjustable in the fixed position on the front side of the rectangular base. And a camera shake prevention device in a telephoto system including a camera fixed support base provided on the rear side of the base, wherein the mounting fixed portion of the telephoto lens is provided on rail portions provided on left and right side walls of the base, respectively. A pair of movable blocks that can be moved in the longitudinal direction are pivotally mounted with support arms that are slidable in the front-rear direction and that can adjust the tilt angle, and a telephoto lens cylindrical portion is provided between the upper ends of the support arms. V-shaped bearing seat supported from below The fixed support base is provided so as to be capable of rotating back and forth, and the fixed support is provided so as to be changeable between a horizontal fixed posture and a vertical rotation posture with respect to the base. Prevention device. A rectangular base that is detachably mounted on a tripod head, and a shooting posture in which two legs are used as front legs and one leg is used as a rear leg, and suspended from the left and right ends of the front wall of the base. A connecting support rod consisting of a pair of shock absorbers attached to the left and right front legs of the tripod, and a mounting portion for a telephoto lens that is slidable in the longitudinal direction and adjustable in fixed position on the front side of the rectangular base. A camera shake prevention device in telephoto shooting, comprising a camera fixed support provided on the rear side of the base, wherein the mounting portion of the telephoto lens is mounted along rails provided on left and right side walls of the base, respectively. A pair of support arms slidable in the front-rear direction and adjustable in inclination angle are pivotally attached to a pair of moving blocks that can move in the longitudinal direction, and the telephoto lens cylindrical part is lowered between the upper ends of the support arms. Horizontal bearing supported from When the camera supported by the fixed support is transformed from the horizontal position to the horizontal position, the telescopic lens cylindrical portion is fitted to the horizontal support shaft and straddled. The base end of a rod-shaped seat pillow supported from below is pivotally connected, and the fixed support is provided so as to be capable of being transformed into a horizontal fixed posture and a vertical rotation posture with respect to the base. A camera shake prevention device for telephoto shooting. A rectangular base detachably mounted on a tripod head, and a shooting posture in which one of the tripods is opened with one leg as a front leg and two legs as a rear leg, and is suspended from the center of the front wall of the base. A connecting support rod consisting of a shock absorber attached to a front leg of a tripod, a mounting portion for a telephoto lens which is slidable in the longitudinal direction and adjustable in a fixed position on the front side of the rectangular base, and What is claimed is: 1. An apparatus for preventing camera shake in telephoto photographing comprising a camera fixed support provided on a rear side, wherein a mounting and fixing portion of said telephoto lens moves longitudinally along rails provided on left and right side walls of a base. A support arm slidable in the front-rear direction and capable of adjusting the tilt angle is fixed to a pair of movable blocks, and a telescopic lens cylindrical portion is supported from below between the upper ends of the support arms. Horizontal seat When the camera supported by the fixed support is transformed from a horizontal posture to a lateral posture at one end of the support shaft, the telescopic lens cylindrical portion is supported from below. A base end of a rod-shaped seat pillow to be pivoted, and the fixed support is provided so as to be capable of being transformed into a horizontal fixed posture and a vertical rotation posture with respect to the base. Camera shake prevention device for telephoto shooting. A rectangular base detachably attached to the tripod head, and a shooting posture in which the two legs of the tripod are opened to the front and back, and the monopod is positioned on the other side, with the front wall of the base A connecting support rod consisting of a pair of shock absorbers suspended from the center of the rear wall and attached to the front leg and the rear leg of a tripod, and a slidable and fixed position in the longitudinal direction on the front side of the rectangular base. An apparatus for preventing camera shake in telephoto photography, comprising: an adjustable telephoto lens mounting and fixing part; and a camera fixed support provided at a rear portion of the base and provided at a central part of the base. The mounting and fixing portion of the lens has a pair of movable blocks that can move in the longitudinal direction along the rails provided on the left and right side walls on the front side of the base. Pivotally attached to each other and the upper end of each support arm Between the opposing sides, a horizontal receiving seat for supporting the telephoto lens cylindrical portion from below is fitted over the horizontal support shaft, and the camera is supported on a fixed support base at one end of the support shaft. When the posture is changed from the posture to the sideways posture, the base end of a rod-shaped seat pillow for supporting the telephoto lens cylindrical portion from below is pivotally connected. Support arms slidable in the front-rear direction and capable of adjusting the tilt angle are pivotally attached to a pair of moving blocks that can move in the longitudinal direction along the rails provided on the left and right side walls, respectively. A camera shake preventing device for telephotography, wherein a horizontal support seat for supporting the camera body from below is fitted over the horizontal support shaft and provided between the opposed portions. Each support arm of the mounting and fixing portion of the telephoto lens is provided with a long groove along its longitudinal direction, and a connecting bolt is inserted through each moving block between each long groove of the opposing support arm. It is characterized in that, by tightening and releasing the connecting bolt, the sliding and fixing position of the moving block in the longitudinal direction and the sliding position and the tilt angle position of each support arm are fixed and changed. The camera shake preventing apparatus according to claim 1, 2, 3, or 4, wherein the camera shake is prevented in telephoto shooting. Each support arm of the mounting and fixing portion of the camera body is provided with a long groove along the longitudinal direction thereof, and a connecting bolt is inserted through each moving block between the long grooves of the opposing support arm. It is characterized in that, by tightening and releasing the connecting bolt, the sliding and fixing position of the moving block in the longitudinal direction and the sliding position and the tilt angle position of each support arm are fixed and changed. The camera shake preventing apparatus according to claim 4, wherein the camera shake is prevented.

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