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Technology | Some Basic Terms and Knowledge that Lighting Designers Should Know
The fascinating lighting is a very important component in professional stage production shows. It can drive your passions and boost your emotional impact on music. Whether you are designing your own lighting program or working with professional lighting designers, you should know some basic terms in this industry.
If you have a dedicated lighting technician in your team, you can make your communication more efficient with him when using the stage lighting terms. Here are some basic terms that you need to know about stage lighting.
• Atmospherics- Refers to particles released into the air to enhance the visibility of the lighting effect.
• Beam Angle- Measured in degrees, it is used to indicate the angle at which light is emitted from the fixture. The light emitted by the luminaire is conical, and you can determine the size of the illuminated area based on the distance by beam angle.
• D-Fi–The technology used in Chauvet's lighting products. It provides wireless DMX functions for the device. Allowing you to control your lighting equipment with a DMX controller or other intelligent devices. Wireless control, without the need for a connection cable.
• DMX- Abbreviation for Digital Multiplexing. It is a serial data protocol that controls most lighting equipment. Most LED moving headlights or other stage lighting systems have multiple DMX channels. The meaning of DMX in entertainment lighting is just like the meaning of MIDI in the audio field.
• Effects- The effects that add to the atmosphere, color and visual effects. It consists of basic lighting fixtures, lasers, foggers, etc.
• Ellipsoidal Reflector- It is sometimes called Leko. It is an ellipsoidal mirror that concentrates light to a point, placing a point source above a focus, and the emitted light converges to another focus. The width of the beam reflected by the ellipsoidal mirror varies according to the distance between the two points.
• Fresnel Spotlight- The Fresnel spotlight is a lamp with a Fresnel lens. This type of luminaire is capable of providing a beam with a blurred outline. It usually contains a spherical mirror and an adjustable focal length that covers the full range between the spotlight and the floodlight.
• Gobo- The shape projected by light on a curtain or board.
• Iris Diaphragm- It is a circular opening composed of a series of thin movable metal plates. The diameter of this opening is adjustable. So you can change the diameter of the beam or mechanically dim the light.
• Lens- Made from a transparent material, usually glass. The lens allows the light to bend as it passes. Colored lenses can be used to create colorful lights.
• Moving Head– A moving head light that is either automatic or mechanical. Moving head lights can create complex and fascinating lighting by the DMX program.
• PAR- An abbreviation for Parabolic Mirror. It is generally used as a wash light. Its illuminates area is larger than 6-8 feet in diameter and has a parabolic shape.
• Pattern Slot- A pattern slot that is a narrow opening that can be inserted into a pattern frame or pattern rotator. The pattern holder can add a pattern to the projection of the light, while the pattern rotator can switch the projection pattern.
• Prism- A part of moving head light, that refracts light, illuminates the beam into a larger space and makes the gobo effect look more interesting.
• Strobe– The flash has a strong lighting effect that can be turned on and off quickly. If used in a dark place, it can produce a stroboscopic (flashing, slow motion) effect.
• Spot– Abbreviation for Spotlight - Used to highlight an important small area to condense visual attention. Spotlights can also be placed with gobo patterns such as logos.
• Wash– A dyeing effect, a type of lighting that covers a large area.
• WiFly- The technology used in ADJ's lighting products. It provides wireless DMX functions for the device. Allowing you to control your lighting equipment with a DMX controller or other intelligent devices. Wireless control, without the need for a connection cable.
• RGB- (red, green, blue) A color mode that adds color to each other, using a combination of red, green, and blue light to produce a variety of other colors.
• RGBA (red, green, blue, amber)– The color mode of the alpha channel is added to the RGB color mode. This extra channel is used to indicate the opacity of each pixel. By using alpha blending, you can use a transparent area to combine one image onto another, and if you use an opaque area, you can make the edges smoother.
• RGBAW + UV (red, green, blue, amber, white, UV)– Adds the white and UV channel color modes to the RGBA color mode. These additional channels provide more color mixing and a wider color gamut than four-color RGBA LED luminaires such as hot pink, lemon green.
At last, Lighting Designers (LDs) are highly creative people who are tasked with using technology to assist and enhance performances with light. If you want to know more about lighting knowledge, then it may be helpful for you to check the following information.
1. Archlighting.com– Archlighting is a blog that covers all things of architectural lighting. It features industry news, strategies, and interviews with industry experts.
2. Light-ca.com– This is another blog that features spotlight interviews of those in the Lighting Design industry. This is a great site for those looking to go into Architectural or Landscape Lighting Design.
3. LightDirectory.com– Lighting Directory is an online hub of resources for those who work in the Lighting Industry. It contains a great variety of resources helpful for all types of Lighting Designers.
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