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Transcript of Lighting Presentation
LIGHTING History Of Lighting
The History of Stage Lighting in theatre goes back all the way to the Greek and Roman times. The way stage lighting is presented in the theatrical storytelling is a very important component which evolves over time. The amphitheatres would be built on a hill, outdoors becasue they relied most on the natural light, so performances would have to be performed in the day time to take advantage of the existing light. The Greek and Roman theatres were designed to show how the light from the sun would shine in a certain place on the stage determining on the time of day. Key Creators Types of Lighting Lanterns
used in mondern theatre Flood The Flood lighting lantern consist of a lamp and a reflector in a box which has no lens. The Flood lantern's reflector concentrates the light towards the opening of the box. This lighting lantern can not control the focuss of the flood, other then it's general direction. Fresnel The Fresnel is a soft edged spotlight that has more control over the beam angle than the flood. The size of the beam in the fresnel can be adjusted by moving the lamp and reflector closer to or farther from the lens. The beam of the fresnel can be shaped by the four barndoors attached to the front. PC ( Pebble Convex ) The PC lantern short for Pebble Convex uses a modified plano-convex lens with a pebbled effect on the plano ( flat ) side. The Pebble convex is used to give a soft edge and only has one focussing knob to change the beam angle. Profile Profile lanterns are the most focussable and versatile of the
lanterns that produce clearly defined spots of light. The profile
lantern consist of a lmap and a reflector, which also have shutters and a gate. Profiles get their name fron their ability to project the shape of anthing placed in the gate of the lantern between the lamp and the lens. Some proflies with only one lens have two sets of shutters one of which gives a hard edge to the beam, and one which gives a softer edge which are known as bifocal proflies. Pancan The pancan is a sealed beam unit consisting
of a lamp, reflector and lens in one and becasue the light procued can be very intense, parcans are especially suited for strong colours or for special effects. The PAR ( Parabolic Aluminsied Reflector ) lamps are available in a range of beam angles, depending on the amount of diffusion on the front lens of the lamp. 1841 : Edison was the first to incandescent lamp patent. 1846: The First electric carbon
arcs used as spotlight at the Paria
oprea- inefficient 1879: The Jablachkoff candle was the first useful lighting buld " electric candle" . The First practical electric spotlight SUBPATCH DMX MIXER LANTERN The subpatch controls the input of electricity, which goes to the dmx wich translates the electricity to go to the lighting desk which controls the lighting lanterns
The DMX is a standard for digital
communication networks that are commonly used to control stage lighting and effects A electronic device used in theatrical lighting design to control multiple lights at once. The Mixer can control dimmer which control the intensity of the light. Lighting Engineer A Lighting Engineer occupies a conceptual niche in the design landscape. Bridging the gap between the functional and creative imperatives of achitechture and engineering these professionals fuse the artistic spirit of a designer with the rigor and knowledge of a scientist. 1881 : Savoy Theatre ( in England) was the first completely electric theatre. 1882: A big push - electric theatre at the exposition in Munich, Germany ( with a saltwater dinner to control the new power source ). By Quyen Dinh . . .