JP2017083722A - Lens support device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lens support device capable of solving a problem in conventional cinematography imaging apparatus, particularly, in a remote operation electric drive unit, which are assembled while adjusting in combination with many adjacent components, a considerably long time is required for assembling.SOLUTION: The lens support device is configured to be mounted with an electric drive mechanism therein so as to be assembled together with a support member.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a lens support device, and in particular, has a driving means for driving a lens in the lens support device.

  In a lens for super-telephoto shooting and a lens used for movie shooting, the mass of the lens body is large, and it is general to support not only the camera but also the lens itself.

  Especially in movie shooting, when performing remote control shooting, it is possible to shoot by installing a drive device that electrically drives the focus adjustment, zooming, and aperture around the lens, and a displacement detection device that detects displacement of the driven part. Done.

  Patent Document 1 describes a lens support method using a rod that constitutes the above-described lens and peripheral devices using a lens support device, and fixing an imaging device corresponding to a plurality of combinations with respect to the lens. The method is shown.

European Patent Application No. 1708020

  An imaging system using a rod as presented in Patent Document 1 is typically used particularly in movie shooting.

  In the equipment for movie shooting, a lot of peripheral equipment around the lens for shooting is required. In addition to an electric operation member for a constant speed operation that is difficult with manual operation, a matte box for a filter effect and a light shielding effect are arranged around the lens. When assembling all of these photographic equipment, it is necessary to adjust the installation, which takes time.

  Furthermore, since an external device that detects various lens information is also attached to the imaging device for image processing after shooting, it takes time to adjust the assembly position within a limited area around the lens.

  In recent years, equipment for movie shooting has been used not only for original movies but also for filming commercials and dramas, and as the downsizing of the entire shooting cost has progressed, the length of time for assembling the shooting equipment has become a major issue. Yes. In particular, movie shooting equipment is exchanged to the most suitable lens in the shooting environment in order to shoot with respect to image quality as its shooting style, but in order to assemble and adjust each time, it takes time to assemble comprehensively It was inevitable to break.

  Accordingly, an object of the present invention is to provide a lens support device capable of reducing the time for assembling a system for electrically operating an imaging device including a lens.

In order to achieve the above object, a support device for an imaging apparatus according to the present invention includes:
A support device having an instruction connecting means for instructing the image pickup apparatus has one or a plurality of drive means for transmitting power via a drive transmission mechanism attached to the image pickup apparatus.

  ADVANTAGE OF THE INVENTION According to this invention, the lens support apparatus which can shorten the mounting | wearing time of an electric drive device significantly can be provided, ensuring the versatility of the apparatus assembly in a movie shooting.

1 is a schematic diagram of a lens support device and an imaging device according to a first embodiment of the present invention. A view of the lens support device in the first embodiment 1 is a configuration diagram of the main part of a lens support device according to the first embodiment. Assembly flow diagram of lens support device in first embodiment Schematic diagram of a lens support device and an imaging device according to a second embodiment of the present invention B view of the lens support device in the second embodiment Assembly flow diagram of lens support device in second embodiment

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is an explanatory view of the structure of a lens support device according to an embodiment of the present invention, FIG. 2 is a view from the direction A of FIG. 1, and FIG. 3 is a detailed view of a main part of the lens support device according to the present invention. It is. FIG. 4 is an explanatory view of the procedure for assembling the lens support device of the present invention.

  Hereinafter, with reference to FIG. 1 to FIG. 4, a support device for an imaging apparatus having a drive mechanism according to a first embodiment of the present invention will be described.

  As shown in FIG. 1, 1 is a lens, 2 is a camera, 3 is a lens support attached to the lens, 4 is a camera support for fixing the camera 2 to a tripod, etc., and 5 is a lens support device according to the present invention. It is.

  The lens support device 5 is provided with a drive unit 6 including a drive mechanism such as a motor and a speed reduction mechanism, and a gear 8 attached to the lens 1 and arranged in a predetermined positional relationship. Has been.

  The camera support 3 is provided with a fixing knob 10 for fixing the lens support device 5 to a rod 9 for mounting a general-purpose accessory.

  In addition, as a main configuration of the camera support member 5 shown in FIG. 2, a mounting knob 11 for fixing the lens support 3 to the lens support 3 is provided for the lens support device 5 to support the lens 1.

  Further, as shown in FIG. 3, the lens support device 5 is provided with a connector 12 for power supply and a communication function, and the electric power generated by the driving unit 6 is used using the camera 2 or power different from that of the camera 2. Drive and detection information can be exchanged.

  Next, assembling of a photographing system using the lens support device 5 in the present embodiment will be described.

  FIG. 4 is an explanatory diagram of an assembly procedure until the lens support device 5 is mounted on the lens 1 and electric driving is performed.

  After the camera 2 and the rod 9 are attached to the camera support 4 (0101), the lens 1 is subsequently attached (0102).

  The gear 8 on the lens support device 5 is engaged with the gear 7 attached to the lens (0103), the lens support device 5 is connected to the rod 9, and the lens support 3 on the lens 2 is connected. To fix (0104).

  When the fixing of the lens support device 5 is completed, the lens support device 5 is powered on (0105) and a predetermined initialization adjustment is performed (0106).

  The assembly of the entire photographing apparatus is completed through the above steps (0107), and the photographer is ready for photographing.

  In the present lens support device 5, the positional relationship in which the gear 7 and the gear 8 are connected to the target lens 2 is determined in advance, so that it is not necessary to perform backlash adjustment or the like at the time of mounting. .

  As described above, by using the lens support device provided with a drive unit for electrically driving the lens, the procedure for mounting and adjusting the electric drive means that has been carried out after the conventional lens support is performed can be integrated. Can be completed. Therefore, the photographer can simplify the trial and error process for adjusting the position of the drive unit, and can provide a structure that can shorten the time required for assembling the imaging apparatus.

  According to the above-described embodiment, an effect can be obtained in which a photographing state capable of being electrically driven by the lens electrically driving means can be realized when the lens support member is attached. In addition, the electric drive means is configured on the lens support device, so it is possible to secure the positional relationship in which the lens side area is released, the visibility of the index on the lens, and the operation area when manually operating The effect of improving the operability of the photographer, such as ensuring the image quality, is obtained. At the same time, by securing the area on the side surface of the lens, it is possible to obtain an effect of improving versatility in mounting a desired operation member other than the driving member by the photographer.

  Hereinafter, with reference to FIGS. 5 to 7, in the lens support device having a driving member according to the second embodiment of the present invention, the same components as those in Embodiment 1 will be described using the same reference numerals. .

  As shown in FIG. 5, the lens support device 13 is provided with an adjustment unit 14 that includes a drive mechanism and has a predetermined movable region, and a gear 15 that is screwed into a gear 7 attached to the lens 1.

  Furthermore, as shown in FIG. 6A or FIG. 6B, a grip knob 16 that is gripped when adjusting the adjusting portion 14 and a fixing knob 17 that switches between moving and fixing of the adjusting portion 14 are attached.

  Next, the assembly of the photographing system using the lens support device 13 in the present proposal will be described.

  FIG. 7 is an explanatory diagram of an assembly flow until the lens support device 13 is mounted on the lens 1 and electric driving is performed.

  The camera support 4, the camera 2 and the rod 9 are mounted (0201), and then the lens 1 is mounted (0202).

  The lens support device 13 is positioned and mounted on the rod 9 so as to be connected by the lens support 3 on the lens 2 (0203).

At this time, as shown in FIG. 6A, when the gear 7 on the lens and the gear 15 on the lens support device are not engaged with each other, the fixing knob 17 is released and the adjusting section 14 is operated using the gripping knob 16. . (0204 → 0205)
Thereafter, as shown in FIG. 6B, after the adjustment, the gears 7 and 15 are engaged with each other, and the fixing knob 17 is fixed again. (0204 → 0206)
When the gear adjustment is completed, the lens support device 13 is turned on to perform a predetermined initialization adjustment (0207).

  The assembly is completed through the above steps (0208).

  As described above, even if the gear attached to the lens and the gear of the lens support device are attached in a state where they are not meshed with each other, the lens support device can be attached by adjusting the gear meshing on the lens support device side. It is possible to expand the types of lenses.

In the lens support device of the present embodiment, even when the total lens length is different, the arrangement on the rod can be freely performed, so that the versatility of gear engagement can be ensured.
Similarly to the first embodiment, by using a lens support device that includes a drive unit for electrically driving the lens, the procedure for mounting and adjusting the electric drive means that has been performed after the conventional lens support is performed at once. Can be implemented. Therefore, it is possible to provide a structure that can shorten the assembly time of the entire imaging apparatus even when a lens having a specification with a different gear position desired by the photographer is attached.

  According to the above-described embodiment, even in a lens having a gear specification having a different overall length and outer diameter, an effect of being able to prepare the lens electric driving means at the same time when the lens support member is mounted can be obtained.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to these embodiment, A various deformation | transformation and change are possible within the range of the summary.

1 lens, 2 camera, 3 camera support, 4 camera support,
5, 13 Lens support device, 6 drive unit, 7, 8, 15 gear, 9 rod,
10 Fixing knob, 11 Mounting knob, 12 Connector, 14 Adjustment part,
16 Grip knob, 17 Fixed knob

Claims (3)

In a support device having a support connecting means for supporting the imaging device,
A support device for an imaging apparatus, comprising: a driving unit that transmits power through a drive transmission mechanism attached to the imaging apparatus. The image pickup apparatus support apparatus according to claim 1, wherein the image pickup apparatus support apparatus includes a fixing unit for connecting to a plurality of support columns used for fixing an operation member for the image pickup apparatus. The support device for an imaging apparatus according to claim 1, wherein the driving unit includes a unit capable of adjusting a distance in accordance with a distance from a drive transmission mechanism of the imaging apparatus to be mounted.