Spotlights

What are Spotlights?

Spotlights are handy devices intended for lighting with controllable and adjustable beams and angles. It can be fitted on walls, roofs or put freely on the floor. Spotlight is made up of a lens, a reflector, and a focusing system to create a good beam of handy light. They are generally available in yellow, green, white, blue, and red lights.

Types of Spotlights

• Plano convex spotlight – It was developed in the year 1870. Considered as the first type of a theatrical lighting system with a single lens. It utilizes a plano convex lens that is flat one side and then round or convex on the other side. The lens has a simple housing that as well contain a reflector and a bulb.

• The ellipsoidal spotlight – It is the mainly extensive used kind of spotlight which is as well known as "Leko”. It has the flexibility to light an area or focused spot. Typically, this kind of spotlight creates a beam of light that is in circles, but can be handled by the focus shutter, gobo or iris. The shutters can alter the shape of the light beam and can be inserted for the smaller beam. The gobo is a metal plate that has cuts made on it to change the shape of the light formed by the spotlight.

• The Fresnel spotlight – This kind of spotlight is given name after the French physicist, Augustin Fresnel who made the "Fresnel" lens. They are used primarily in the lighthouses. Its single Fresnel lens provides lighting to a concentrated or wide area. The. fresnel spotlights are not capable of projecting patterns like ellipsoid headlamps and are more useful in the provision of flood lighting.

 • Parabolic Aluminized Reflector or PAR spotlights – They are very efficient kind of spotlight that have the reflector, lens and filament optically fixed and aligned positions. PAR bulbs are often used in musicals. The fog produced by fog machines and caused smoke on stage at a rock concert, for instance, makes the path of PAR prominent attention. PAR bulbs are also utilized as top lights in theaters. PAR focus of the tips is a source of low voltage PAR light that illuminates a very concentrated. It is frequently used to bring to light a particular point as the face of an actor or a picture on the stage following a lesser ambient of lighting.

• Beam projector spotlight – This kind of spotlight do not have lenses as well as produces powerful beams of light. It can be utilized to go after an actor while on stage otherwise to imitate sunlight as well as moonlight in a show.

• Follow-spot spotlights – They are used more generally in musical theater and opera to highlight an artist or group of artists, going after their movements.