Thursday, April 4, 2019

Moving Head Beam Light Usage In Stage Shows

Project title: Moving head beam light in the application of stage show
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The purpose of this article is to promote the product of moving head beam light, and the paper theme is moving head beam light in the application of stage show.

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Things to Mention: moving head beam light
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Moving Head Beam Light Usage In Stage Shows

Lighting technology for stage shows has come a long way from the era of fixed focus flood lights. These days, whether it’s a dance tour stage, musical concert stage, or a theatrical production, stage lights play an integral part in enhancing the production value of any artistic undertaking for a live audience. 

The pyrotechnical light wizardry in myriad coloured beams washing over the audience to the beat of the music, or in sync with the hook step, is the application of moving head beam lights. 

Moving Head Beam Light in Stage Shows - Source: Amazon

What’s a Moving Head Beam Light?

A cluster of LED lights, or a single high resolution LED beam light, mounted on a chassis that allows 360 degree rotation in certain directions, and considerable rotation in others, is called a moving head beam light. 

The LED light moving head that contains the lamp cluster, is programmed to focus light beams in a single colour, or form light patterns in various colours. Multicoloured moving head beam lights in fancy patterns are also called LED RGB mini moving head lights. 

Professional moving head beam lights are designed to be easily portable, and robust to withstand wear and tear as the stage lighting industry is transient with light shows being mounted for temporary periods before moving on to the next stage, show, and city.

Moving head beam lights have four important aspects that control the output on a stage show. 

1. Colours of a Moving Head Beam Light for a Stage Show


LED Moving Head Beams with integrated RGB colour schemes are operated with a micro-controller that regulates the red, blue, and green beam producing bulbs. Turning off one or two of the RGB bulbs, projects the third light beam onto the stage. These coloured bulbs are switched on or off in different combinations to get secondary colours like purple, yellow, and cyan. 

2. Intensity of Moving Head Beam Lights for Stage Shows

The micro-controller of can also regulate the intensity of the RGB bulbs in the moving head beam lights to get different shades of beams of a particular colour. 

For example: Switching on the red bulb with an intensity of 80%, and the blue bulb with an intensity of 40%, while the green bulb is switched off, produces a deep magenta beam light. Conversely, focussing the red beam light at 40% intensity, and blue light at 80% intensity, produces a beam of pink light. 

Moving Head Beam Lights - Source: Amazon

Gradual change of colours from light blue to midnight blue, or orange to red, is  accomplished by slowly increasing or decreasing the intensity of the RGB beams. On the other hand, blinking flashes in different colours are managed by switching the red, blue, and green LEDs, on and off, in quick succession in the desired order.

The intensity or focus of a moving head beam light can also be managed with the help of dimmers or shutters. For sombre moods, the head beam lights are dimmed, while high energy events require flashy, intense, high focus, bright moving head beam light projections. 

3. Light Design and Creative Patterns 

Creative patterns of light are formed by the use of gobos. These are stencils of patterns that are placed in front of the moving head beam lights to project signs, shapes, patterns, messages, and more on to the stage or in the arena. Most professional moving head beam lights are equipped with gobos to allow more creativity in projecting different light patterns.

These micro-controllers are preprogrammed by the professional manufacturer of the moving head beam lights, and offer a range of output designs. Stage Show Light Designers take this one step further by deciding the arrangement, patterns, intensity intervals, and other aspects of stage show lightings in accordance with the unfolding of events on the stage.

4. Direction of Moving Head Beam Lights for a Stage Show

Moving Head Beam Lights are mounted on a chassis that allows rotation of the beam lamp in the up, down, left, right, and sideways directions. Many moving head beams move in sync to create a spectacular light show with multiple LED focused  beams. Stage shows have provisions for moving head beam light fixtures on the floor of the stage, on the ceiling, on the framing pillars of the stage, behind and in front of the stage, or surrounding the audience arena. Highlights, shadows, starlights, and more effects are produced by the strategic placement of the moving head beam lights, controlling the direction of the beams, the intensity of the focus lights, and manipulating the colours and patterns. 

What functions do Moving Head Light Beams serve in a Stage Show?

The primary reason for using moving head beam lights on a stage show is to control the direction, focus, and intensity of lights. In addition to this, they also serve other purposes:

1. Modelling a Stage Show

Professionally designed stage show lightning is an integral element in creating a set up for the props and actors. The casting of shadows, simulation of the passage of time, and presenting the stage in as authentic a setting as possible, can be achieved by the ingenious use of moving head beam lights.

2. Managing the Focus of a Stage Show

Use of selective focus forces the audience to look at a certain area of the stage, or a certain person in a play. By increasing the intensity of a light beam on a certain spot, the light designer manages to direct the audience’ eye, to let them know where to look next, and what to pay attention to. 

3.  Setting the Mood of a Stage Show

Moving head beam lights play an important part in setting the mood and tone of a show. Stage Show Light Designers manipulate moving head beam lights in creative ways to convey emotions like jubilation or an intense heart break. Or, raise the tempo of the audience to a crescendo by increasing the intensity of the light beams, or use of rapid blinking lights. 

 4. Visibility

Although Visibility isn’t a function of moving head light beams, that is achieved with focus and flood lights, they do enhance visibility on parts of the stage that are under focus.

5. Utility

Moving Head Beam Lights are used extensively in professional settings in the arts and entertainment industry. From arenas catering to thousands of people watching a stage show, to venues with a steady trickle of visitors, moving head beam lights find utility on all kinds and sizes of stage shows. 

Their modular design makes them tough to break, easy to carry around on tours, and long lasting as the design facilitates easy repair and replacement of the bulbs and other static and moving components, without the need to replace the entire unit. Although this raises the cost of a professionally manufactured moving head beam light, the investment pays off with its long duration usage and widespread utility in mounting stage shows. 

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