What is an ellipsoidal light used for?

Ellipsoidals can be used for any job but their primary function is to illuminate a specific proximity. They are the common use for spotlights as they can give a small sharp circle. It has an ellipsoidal reflector behind the lamp to reflect the light in the direction required.

How does an ellipsoidal work?

An ellipsoidal reflector spotlight features a built-in reflector in the shape of half an ellipse. By positioning the source light within the ellipse, rays of light emanating from the source are bounced off the surface and reflected to a single point, called the conjugate focal point (CFP).

What is another name for an ellipsoidal fixture?

Ellipsoidal reflector light (abbreviated to ERS, or colloquially ellipsoidal or ellipse),ellipsoidal may also be referred to as Profile Spotlights (especially in Europe) because the beam can be shaped to the profile of an object.

What is another name for an ellipsoidal reflector spotlight?

The “ellipsoidal reflector spotlight,” or ERS, has been called by various names through the years. Theater professionals may refer to it as an “ellipse” or “ellipsoidal.” “Source Four” is a brand name, and that term is used, too. You may also hear long-time stagehands call it a “Leko,” pronounced LEE-koh.

How do you focus on an ERS?

Basic Bench Focusing Steps

1. Create a hard edge by adjusting the barrel.
2. Center the hot spot by rotating the outer knob clockwise until the knob is tight. Loosen the knob until the hot spot is centered in the field.
3. Flatten the field by rotating the inner knob.

Which lighting instrument is flood or spot the light?

Spotlights
Spotlights. A spotlight is any lighting instrument used in theater to create a pool of light on the stage. There are many different types of spotlights which break down into three general areas: Fresnel lanterns or Fresnels (US) are small fixtures giving a soft-edged spot or pool of light.

What is the best tool to use to hang a lighting instrument?

In stage lighting and sound a c-clamp, also referred to as a pipe clamp, is used to attach a larger piece of hardware, such as a lighting instrument, a speaker, or a dimmer, to a pipe or batten. Newer c-clamps tend to be constructed of aluminum, although steel is also available.

What is a strip light called?

An LED strip light (also known as an LED tape or ribbon light) is a flexible circuit board populated by surface mounted light-emitting diodes (SMD LEDs) and other components that usually comes with an adhesive backing.

What does an ellipsoidal reflector light stand for?

Source Four ERS. Ellipsoidal reflector light (abbreviated to ERS, or colloquially ellipsoidal or ellipse) is the name for a type of stage lighting instrument, named for the ellipsoidal reflector used to collect and direct the light through a barrel that contains a lens or lens train.

Why are ellipsoidal spotlights called Profile Spotlights?

ERS may also be referred to as Profile Spotlights (especially in Europe) because the beam can be shaped to the profile of an object. Ellipsoidal reflectors are used for their strong, well-defined light and their versatility.

Where are the shutters on an ellipsoidal spotlight?

Ellipsoidal reflector spotlight. Most modern units include two slots that allow for combining different accessories A series of four shutters mounted at the internal focal point (the place where the varying angles of light coming off the reflector meet) of the unit. These allow for precise shaping and sizing of the unit’s beam as lines.

When did ADB introduce the WARP Profile ellipsoidal reflector?

In 2004 ADB introduced WARP Profile – In this ellipsoidal profile spot conventional shutters have been replaced by four integrated blades controlled by a series of rings, each with 360⁰ endless rotation capability. Focus and Zoom settings are also controlled by a set of dedicated rings.