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26 Cards in this Set
- Front
- Back
The Photographic Principle
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The triangular arrangement of key, back, and fill lights. (aka triangle/three-point lighting)
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Key Light
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Principal source of illumination; usually a spotlight
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Fill Light
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Additional light on the opposite side of the camera from the key light to illuminate shadow areas and thereby reduce falloff; usually done with floodlights
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Back Light
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Illumination from behind the subject and opposite the camera; usually a spotlight
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Background Light
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Illumination of the set pieces and the back-drop (aka set light)
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Directional Light
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Light that illuminates a relatively small area and creates harsh, clearly defined shadows
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Diffused Light
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Light that illuminates a relatively large area and creates soft shadows
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Spotlight
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A lighting instrument that produces directional, relatively undiffused light
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Floodlight
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A lighting instrument that produces diffused light
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Attached Shadow
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Shadow that is on the object itself. It cannot be seen independent (detached) from the object. (Shadow of nose onto face, nose is attached)
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Cast shadow
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Shadow that is produced by an object and thrown (cast) onto another surface. It can be send independent of the object. (Standing in front of a light makes my body cast a shadow on the ground)
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Contrast
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The difference between the brightest and the darkest spots in a video image
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Foot-Candle (fc)
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The unit of measurement of illumination, or the amount of light that falls on an object
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Lux
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European standard unit for measuring light tensity. 10 lux = 1 foot candle
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Color Temperature
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Relative reddishness (lower temp) or bluishness (higher temp) of white light, as measured on the Kelvin scale. (normative indoor video lighting is 3,200 K, reddish, and outdoors is 5,600 K, bluish)
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Falloff
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the speed with which a light picture portion turns into shadow areas.
fast = light turn abruptly into shadow, there is a lot of difference. slow = very gradual change from bright to shadowy areas |
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Reflected Light
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light that is bound off the illuminated object. measured by pointing the light meter close to the object from the direction of the camera
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Light Plot
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a plan, similar to a floor plan, that shows the type, size (wattage), and location of the lighting instruments relative to the scene to be illuminated and the general direction of the light beams
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RGB
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red green and blue, the basic colors of television
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High-Key Lighting
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light background and ample light on the scene.
Nothing to do with the vertical positioning of the key light |
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Low-key lighting
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fast-fall off with dark background and selectively illuminated areas.
Nothing to do with the vertical positioning of the key light |
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Baselight
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the general illumination or overall light intensity
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Kelvin
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unit of measurement for temperature that tells us how bright the lights are
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Cookies
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Metal cutouts whose patterns are projected by the spotlight onto a wall or other surface
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Reflector
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a reflective surface used to redirect light towards a given subject or scene
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Gel
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a color filter which is a convenient way to convert outdoor instruments for indoor lighting and vice versa
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