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Technique of using camera crane

Camera crane as a special camera auxiliary equipment has been widely used by TV stations and advertising agencies everywhere. In particular, in some enterprises and institutions, advertising, Plaza performance, and some other MTV programs, the use of the camera crane can indeed add infectivity to the picture. And how to use the roll correctly.

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As a special camera aid, camera crane has been widely used by TV stations and advertising agencies everywhere. In particular, in some enterprises and institutions, advertising, Plaza performance, and some other MTV programs, the use of the camera crane can indeed add infectivity to the picture. How to correctly use camera crane arm and use camera crane arm is a problem that cameraman needs to discuss.

 

In the program production, all use the camera crane arm, not only is to use its motion lens to enhance the motion of the picture, and sometimes use it as a fixed position at a high point. But that's not the advantage of the camera crane.

 

The most basic requirement of using camera crane arm is three words: steady, uniform and accurate.

 

It is stable, that is, to stabilize the amplitude and fall, not to shake the camera crane; even in the process of movement, the speed must be uniform, the purpose of the movement is clear, and it can not be fast and slow; it is the object of the motion to be aimed at the subject, especially the single subject, the relative position of the main body in the screen. Fixed, never lose the main body during the movement.

 

To achieve stability, uniformity and accuracy, we need solid basic skills.

 

The basic operations of the camera crane camera include the movement of the arm, the control of the camera lens, the control of the zoom, the adjustment of the focal length, and the control of the focal length (if the Z axis parts are installed, then the Z axis is manipulated). The coordination between the movement of the boom and the pointing of the camera lens is the premise of using the camera crane arm well, especially when it is moving around the target body. Moreover, as the camera zoom lens moves closer to the main body, the difficulty of operation will increase. The mastery of basic skills depends on normal practice, not a day's work. Beginners should have at least a few hours of basic training to master. Every camera crane user must have solid basic skills and be able to operate with ease.

 

With solid basic skills, next we will study the placement of camera crane arms in the program, that is, the positioning of the camera crane arm. The advantage of large camera crane arm (length above 7m) is in mobile shooting, which is the general position can not be achieved.  The effect of mobile shooting is closely related to the pre design of moving trajectory.  The range of the camera crane's motion is a circle on the horizontal plane. In general, we use only one segment of the arc. On the vertical plane, it is a fan type, which is usually used by a section of arc.

 

The motion track of camera is the synthesis of circular motion on horizontal and vertical planes. Generally speaking, the shift of the camera crane arm is not very convenient, and it is basically fixed on the program site, especially in a live broadcast scene.  Therefore, before rehearsal, we must seriously study the program, such as how to play, standing, the position on the stage, the number of dancers, etc. On the basis of "eat through" program, design the motion track of the camera, make it meet the needs of the program to the maximum limit, give full play to the advantage of the camera crane arm, make the program produce the greatest artistic appeal. Once the trajectory is determined, the position of the camera crane arm is also determined. If it is a segmented recording program, it is necessary to move the camera crane arm position to suit different trajectories according to the needs, so there are more than one location. At this point, it is necessary to mark the ground beforehand, and it is best to hang an object underneath the O point of the tripod for precise positioning.

 

The key to mobile photography lies in the movement, that is, the displacement of the camera relative to the object. In order to perform well in shooting, we must also select reference objects, and we can not express motion without reference. First, the closer the reference object is from the camera, the closer the reference is, the stronger the motion; secondly, the reference material can also be used as the foreground of the picture. For example, the camera crane arm camera in the large square of the square moves across the top of the audience's head. The referent is the audience, the higher the position, the weaker the motion, the stronger the impact and the movement of the audience, and the green bonsai and the hanging props above the stage, such as umbrellas, balloons, and so on. It can be used as a reference, and can also be used as a shot over the top of the audience. The reference is the audience, the higher the position, the weaker the motion, the stronger the impact and the movement of the audience on the top of the audience. In addition, the green bonsai and the hanging props above the stage, such as umbrellas, balloons, and so on. It can also be used as a reference material, and can also be used as the foreground of the picture. Only a good selection of reference material can produce twice the result of half the effort, although the speed of the arm movement is not very fast, but the impact force of the lens is very strong, its effect is very obvious.


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