EMF 221.001 Week 6
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This 2 page Class Notes was uploaded by Ochi on Saturday October 3, 2015. The Class Notes belongs to 4687 at Towson University taught by Marco S. Kathuria in Fall 2015. Since its upload, it has received 36 views. For similar materials see Principles of Film and Media Production in Film at Towson University.
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Date Created: 10/03/15
Week 6 LIGHT Light electromagnetic radiation Shorter distance between peaks and dips in waves more energy Longer distance between peaks and dips in waves less energy of light while light Light Level Luminance amount of light energy reaching a given point per sq meter Brightness density of lumens per unit area lumens sq ft 0 For consistency of shots same amount of light must fall on actor even at different times of the day Adjusting light createsreplicates a certain look Light meter instrument that measures the amount of light that falls on the subject Incident light Re ected light Measured coming from the light source Measured light re ecting off of subject near the subject Contrast Contrast ratio measures brightness without any in uence of color Brightest object white point to darkest object black point Grayscale 0 no light 140 255 100 brightness Hard light produces sharp shadows from a single point of light created with a spotlight Soft light produces softer shadows from a diffused source of light created with a scoopre ector Pass light through a sheet or something so that light scatters and spreads Casting shadows creates a sense of depth Light Direction Lighting formula 3point lighting 1 Key light used to mimic the angle of the sun primary creates harsh shadows 2 Filllight used to ll shadows on other side of the subject gives illusion of depth 3 Back light points almost directly down on subject pushes subject out of background so that they are part of 3D space Color Temperatures K Scale The Golden Hour just before sunrise and just before sunset White Balancing WB Camera adjusts the color so that it accurately portrays the color spectrum Soundstage arti cial environment created by media makers to avoid unfavorable environments Low cost lights Compact orescent green tint Light emitting diode LED blue tint daylight Newer en126 LED video light very high output of light Cip lamp 6 Lighting in FilmTV professional Fresnel act as a ll light and key light Fresnel lens focuses the light Ellipsoidal spotlight focuses beam of light on a speci c subject HMI arc lights balanced for daylight mimics sunlight Florescent tubes creates a wall of light good for music videos interviews green tint LED panels gives a daylight color balance blue tint
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