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Lighting. Types of Light. Incident: comes directly from the light source Reflected: has come in contact with some other material before entering our field of vision Our ability to see largely the result of reflected light. Lighting Director’s Goals. Meet artistic needs of the program
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Types of Light • Incident: comes directly from the light source • Reflected: has come in contact with some other material before entering our field of vision • Our ability to see largely the result of reflected light
Lighting Director’s Goals • Meet artistic needs of the program • General Illumination needs • Develops a lighting plan so that all performers and parts of the set are lit as required/desired
Measuring Light Levels • Measured with a light meter • Video levels? Audio levels? • In footcandles (ftc)--amount of light falling on a surface one foot from the light with the illumination level of one candle • Also used, lux: About 10 lux = 1 ftc • Measure incident & reflected
Other lighting issues • 1--Contrast Ratio: brightest to darkest: human eye 100:1, TV 30:1 • Sports Stadium daytime shots (shader) • Monitors and adjusts the iris opening • AGC automatically adjusts • 2--Color Temperature: measure of the frequency of the light wave • 3,200° K / 5,400° K / red / blue
Lighting uses & objectives • Flat Lighting (shape/texture) • High-key / low-key for mood • Follow spot, limbo (subject ‘in limbo’ against softly lit cyc/cameo (subject lit & background dark)/ silhouette (subject dark & background lit)lighting-focus attn. More specific definition to follow-- • …cont...
Lighting uses & objectives • To imitate reality • Shoot on a set for ‘outdoor shot’ • Using lights shooting outdoors • Bouncing light shooting outdoors • Use of shadow and lighting effects • ‘Natural’ look / invisible lighting
Lighting Instruments • Quartz lamp • 3,200° K • 500 / 1,000 / 2,000 watts / 10,000 • New High Speed Fluorescent (HSF) • Traditional / HSF at 3,200° K • HMI bulb -- 5,500° K • NEWEST – LED, 5500° K
Lighting Instruments • Spotlights • Controlled beam / pinned & spread • Fresnel • Other spotlights • Ellipsoidal / leko / cutters / cookies • Barn doors / light pole / light stand
Lighting Instruments • Floodlights • Pans/broads --rectangular shaped • Scoop -- Bowl shaped • Strip lights for background • Softlight -- bulb points inward • Sometimes covered with scrim or gels
Three point lighting • Key --spotlight -- 35-40° angle • Fill -- flood or spread spot (1/2) • Back --spotlight (1.5-2x the key) • Subjects and foreground • Compare to background -- also important • Kicker --comes from the side over the camera left shoulder of the subject (added to 3-point lighting) • External lights must be eliminated / mixing light sources
Lighting effects • Silhouette--subject is not lit; background is evenly lit • Limbo--subject is lit evenly; background is vague or nondescriptive • Cameo--subject is lit with a spotlight directly above; background is not lit
Studio Lighting • Light Board / dimmers / pig tails • Grid vs. floor stand • Extension poles, c-clamp, safety • Inverse square law--as light to subject distance doubles, light level is reduced to 1/4 previous level ###