Cinematography
Cinematography
Cinematography (/ˌsɪnɪməˈtɒɡrəfi/; from ancient Greek κίνημα, kìnema "movement" and γράφειν, gràphein "to write") is the art of motion-picture photography and filming either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as film stock.
Cinematographers use a lens to focus reflected light from objects into a real image that is transferred to some image sensor or light-sensitive material inside a movie camera. These exposures are created sequentially and preserved for later processing and viewing as a motion picture. Capturing images with an electronic image sensor produces an electrical charge for each pixel in the image, which is electronically processed and stored in a video file for subsequent processing or display.
Related Terms
- Camera: A device that records and stores images. These images may be still photographs or moving images such as videos or movies.
- Film Stock: A strip or sheet of transparent plastic film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals.
- Image Sensor: A sensor that detects and conveys the information that constitutes an image.
- Lens (optics): A transmissive optical device that focuses or disperses a light beam by means of refraction.
- Lighting: The deliberate use of light to achieve a practical or aesthetic effect.
- Motion Picture: A series of still images which, when shown on a screen, creates the illusion of moving images.
See Also
External links
- Medical encyclopedia article on Cinematography
- Wikipedia's article - Cinematography
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