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Lighting For Television The art of control and effect.

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Presentation on theme: "Lighting For Television The art of control and effect."— Presentation transcript:

1 Lighting For Television The art of control and effect

2 The Principles of Light Light is part of the electromagnetic energy spectrum. X-ray and Gamma rays Audio 20 Hz – 20 KHz Radio and Communications freq. The Electromagnetic Spectrum Violet Indigo Blue Green Yellow Orange Red

3 Lighting Terminology Color Temperature: The relative reddishness or bluishness of light. Measured in degrees Kelvin. Primary Colors: For light the primary colors are Red, Blue, & Green Photographic principle: Lighting design utilizing 3 lights to light a subject. Gel: A colored filter that allows only certain light to pass through the filter. Fresnel: A hard light that is a common type of light fixture for a TV Studio.

4 Fresnel Light

5 Lighting Terminology (cont.) Hard light: A directional light sources that produces sharp falloff (shadows have edges) Soft light: Diffused light that produces few shadows. EFP Floodlight: Used for portable lighting situations. Usually consists of a bright halogen bulb – Very hot to touch. Ellipsoidal Spotlight: An adjustable lighting fixture that allows the lighting director to focus light where he/she would want it.

6 EFP Floodlight

7 Ellipsoidal Spotlight

8 Lighting Terminology (cont.) Flag: Cloth or material that will block light from an area of a set. Scoop: A light fixture that has no lens and produces soft light. Kelvin Scale: the scale used to measure the relative reddishness or bluishness of light. Light Plot: A detailed diagram that shows the placement of lights on the light grid. Grid: A support system that lights are hung from

9 Light Plot

10 Grid

11 Lighting Terminology (cont.) Raceway: The electrical grid that supplies electricity to the grid. Usually it is a complex array of wires. Light board: A control panel that allows an operator to control light intensity to each circuit. Gaffer: An assistant lighting director. Falloff: The intensity of the shadows edge produced by a light fixture

12 Light board

13 Lighting Terminology (cont.) Background light: The purpose of the background light is to establish a "base level of overall lighting" on the set, and to illuminate the set pieces. Barndoors: The flaps attached to the front of the instrument, they are manipulated to prevent light from striking unwanted areas. Diffusion: Diffusion scatters light, creating soft, somewhat blurred shadow edges, and less severe modeling.

14 Lighting Terminology (cont.) Scrims: A wire screen used to cut down the amount of light emulating from an instrument. It is inserted between the lens and the barndoors. Side light: Side light is sometimes used as an alternative to the standard three point lighting setup.

15 The Photographic Principle Most common type of lighting design Or 3 point lighting –Key light –Back light –Fill light Fill Light Soft light Back Light (hard or spot light) Key Light (hard or spot light)

16 The Kelvin Scale Measures the relative Reddishness or bluishness of light Candle light Incandescent Light fixture Fluorescent lighting fixture Studio lighting (Quartz/Halogen light fixtures) Outdoor light on a beautiful sunny day (Approx) Kelvin Scale Outdoor light on a cloudy Day Outdoor light on a stormy day 20,000 K 15,000 K 5600 K 3200 K 2800 K 2200 K 1200 K

17 Light Plot Plan

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