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Leko Ellipsoidals

Strand Ellipsoidals

Strand Lighting offers the world's most comprehensive and competitive range of luminaires, dimming equipment, control systems and software to answer the creative needs of lighting designers working in theatre, television, film, themed environments and sophisticated architectural applications. Strand Lighting History The Strand Electric Company began operating in 1914 to serve London's theater district. In 1926 Century Lighting opened for business in New York to serve Broadway. Today, Strand Lighting, the union of these two companies, continues as the world's leading name in stage, television, motion picture, and architectural lighting and services. Current Strand Lighting Operations Unique in the breadth of its operations, Strand Lighting now serves the world across three geographic regions. The European region, headquartered in the United Kingdom, has offices in Berlin, London, Moscow, Paris, and Rome and serves all of Europe, the Middle East, and Africa. The Americas region has its headquarters in Los Angeles and with offices in New York and Toronto serving the United States, Canada and Latin America. The Asia/Pacific region is supported from Strand Lighting's office in Hong Kong. Each region works closely with its local network of distributors to ensure the most extensive distribution of products and services in the entertainment lighting industry. Strand Lighting Products As the creative demands of entertainment lighting continue to expand, Strand Lighting has responded with a series of new product introductions demonstrating a commitment to providing lighting solutions matched to the scale and complexity of the application: the latest generation of software based control products ensure that as users' needs grow and new facilities are added, systems can be easily expanded to accommodate them, protecting the value of the original investment. Our new digital dimming systems bring enhanced flexibility and superior performance and value to all of our customers and our exciting range of Film, Television and Theatrical luminaires are the newest and most advanced in the industry. From the simplest to the most advanced, for theatrical, television, film or themed environments solutions will be found for all your applications within this catalogue.

Pyro - Pyrotechnics are chemical explosive or flammable firework effects with a manual detonation, usually electrically fired by special fail safe equipment. There are many different kinds of pyrotechnics an. Used . d they are primarily used to enhance a theatrical or musical performances with flashes, smoke, loud bangs and flaming light shows. While similar to fireworks, pyrotechnics are more localized . Used . and generally smaller. ...

Lens - A lens is a device for either concentrating or diverging light, usually formed from a piece of shaped glass. Analogous devices used with other types of electromagnetic radiation are also called lense. Used . s: for instance, a microwave lens can be made from paraffin wax.

The earliest records of lenses date to Ancient Greece, with Aristophanes' play The Clouds (424 BC) mentioning a b. Used . urning-glass (a convex lens used to focus the sun's rays to produce fire). The writings of Pliny the Elder (23-79) also show that burning-glasses were known to the Roman Empire, and mentions what is possibly t

Acoustics - Acoustics is a branch of physics and is the study of sound, mechanical waves in gases, liquids, and solids. A scientist who works in the field of acoustics is an acoustician. The application of acoust. Used . ics in technology is called acoustical engineering. There is often much overlap and interaction between the interests of acousticians and acoustical engineers.

"... acoustics is . Used . characterized by its reliance on combinations of physical principles drawn from other sources; and that the primary task of modern physical acoustics is to effect a fusion of the principles normally adhering t...

Moving Lights - Moving lights or intelligent fixtures were originally implemented in 1972, but the first computer-controlled stage lighting fixtures began to gain widespread acceptance in the concert industry in the . Used . early 1980's. As the digital age progressed, the cost of these fixtures was reduced and they slowly started being used in more 'traditional' theatrical environments. Intelligent fixtures are . Used . currently used in almost all major theatrical productions.

Usually relying on compact arc lamps as a light source, these fixtures generally use stepper motors connected to varying internal devices...

Pattern - Pattern refers to the shape, quality and evenness of a lamp's output. The pattern of light an instrument makes is largely determined by three factors. The first are the specifics of the bulb, reflecto. Used . r and lens assembly. Different mounting positions for the bulb (axial, base up, base down), different sizes and shapes of reflector and the nature of the lens (or lenses) being used can all a. Used . ffect the pattern of light. Secondly, the specifics of how the lamp is focused affect its pattern. In Ellipsoidal Reflector Spotlights (ERS) and their derivatives (see below), there are two beams of light emit...

Ellipsoidals

Ellipsoidals is the colloquial term for a stage lighting instrument called the ERS (Ellipsoidal Reflector Spotlight), Profile Spotlight or Profile Spot. Other colloquial terms for the same device are Shakespeare or Leko, which is actually a brand name. Ellipsoidals are so named based on the shape of the reflector that they possess. The ellipsoidal contours capture and focus light through a cylinder containing a lens train or lens. Ellipsoidals are of different types and come in various sizes and shapes, each having its own particular qualities. Possessing optics with similar characteristics to a typical 35 mm slide projector, they are designed for a large variety of uses in the entertainment sector. They are also the most used among all types of stage lighting devices. They are called Profile Spotlights because the beams can be customized to readily take the shape of the object’s profile. Ellipsoidals are primarily required for more intense, clearly-outlined lighting requirements that offer greater flexibility. Source Four is yet another brand name for this type of lighting instrument. Normally, an ellipsoidal lighting unit has: an adjustable lens tube enclosing the lens or lens train; an ellipsoidal reflector; one or two Plano-convex or PC lenses; a set of bracing elements for holding the gel frames; two pairs of shutters mounted on an internally-located focal point; a metal gobo slot. The lamps in ellipsoidals are mostly rear-loaded, and either axially- or radially-mounted, with the base oriented up or down. Using the light wrong side up will result to a shorter lifespan.