An arrangement of hue, chroma and value within a design that produces a sense of equilibrium, i.e., no single colored area commands attention to the detriment of the entire arrangement. It can also appear translucent when there is some illumination directly on it, and some illumination present behind it, in the proper proportions. Light loss: approximately two stops. A multi-lamp light source with its lamps mounted in a straight row. The stand is equipped with wheels and short risers, and a 1 and 1/8" receiver and a grip head. Frame-In Kits are of various types according to the nature of the construction and the lamp. A light source mounted at the top or bottom of a cyclorama in order to light it in a smooth, uniform manner. Reflector Lamp. In the Fahrenheit scale, the freezing point is 32°F and the boiling point is 212°F. Bright lighting that causes discomfort and impairs good visibility. A type of metallic coating applied to glass and some other materials that allow certain wavelengths of light, or other electromagnetic radiation, to pass, while reflecting all others. A specialty kind of chandelier designed for use in a kitchen and featuring hooks or rack space to store pots, pans and lids. LED stands for Light Emitting Diode. A reflector designed to align light rays generally parallel to the axis formed by the point source and the center of the reflector, eventually resulting in a cylindrical-to-wide beam. Cord dimmers are also available. Also called Channel Lighting. The everyday term for an incandescent lamp. Ambient Lighting: Lighting designed to provide uniform light levels throughout an area. Key refers to the amount or distribution of light and shadow in a given scene. Term derives from the quartz glass that encloses the filament and halogen gas. This style evolved from furnishings used in the rural Southwestern United States, particularly in Santa Fe. A ceiling fan may have from one to five blades, depending on the style of the design. Light control device that spreads light by scattering it. Another word for light. A commonly used term for an ellipsoidal spotlight. The reflector has the shape of a parabola. Another phrase for the Color Rendering Index; see above. The part of a metal halide light source that contains the lamp, i.e., not the ballast or interconnect cable. Read more about halogen bulbs in our online article How a Halogen Light Bulb Works. They are used in various types of light sources, but extensively in ellipsoidal spotlights, usually four (top, bottom, right and left); follow spots, usually two (top and bottom), always situated internally, and usually at the aperture. A heavy-duty stand designed to hold light sources or heavy grip equipment. (Warmer light in the 2700K range is way you'd expect from a standard incandescent.) Used for diffusing light. National Electrical Manufacturers Association. A lighting fixture that is Wet Location rated means that it can be installed outdoors with full exposure to the elements, moisture, and weather. Each piece of glass is unique and will vary slightly in terms of color and pattern. Which term you use depends upon the device's size and what part of the country you are in. the electrode toward which electrical current moves. It is meant to suggest limitless visual space. The color of the light is determined by the type of phosphor coating used in the lamp. In the metric system, a graduated scale used to measure temperature with 0° (-273° C) being the total absence of heat (absolute zero). Cased glass can be blown or molded. The principle source of light which establishes the character of the lighting, including atmosphere and mood. Bright ambience. Crisp, cool ambience. These lenses focus light rays passing through them into a beam. 3-way bulbs use two filaments to produce the different light levels. SSL-Solid State Lighting is a term which refers to lights based on semiconductor opto-electronic devices. It should be noted that some light sources, such as ellipsoidal spotlights and follow spots, can be adjusted or designed so that the light emanating from them does not include the entire beam, i.e. A strong metal, iron imparts a natural quality to a lighting fixture. Chandeliers are available in both incandescent, halogen, and LED models. The maximum intensity is ideally located at the center of the base. Hand-blown glass is frequently seen on wall sconces, pendants and table lamps. A pure metal, aluminum can be shaped and finished easily. They offer general room illumination and crystal or colored glass designs can provide sparkle to dining areas and entryways. Saturation cool lighting terms one with little or no white light added to the square of its center wood or globe. And bluish light as cooler a fan to high ceilings, only the appears. 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