Special effect

Special effects (abbreviated SPFX or SFX) are used in the film, television, and entertainment industry to create effects that cannot be achieved by normal means, such as depicting travel to other star systems. They are also used when creating the effect by normal means is prohibitively expensive, such as an enormous explosion. They are also used to enhance previously filmed elements, by adding, removing or enhancing objects within the scene.

Related Topics:
Film - Television - Entertainment - Travel - Star systems - Explosion

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Many different visual special effects techniques exist, ranging from traditional theatre effects, through classic film techniques invented in the early 20th century, such as aerial image photography and optical printers, to modern computer graphics techniques (CGI).

Related Topics:
Film technique - 20th century - Aerial image - Optical printer - CGI

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Often several different techniques are used together in a single scene or shot to achieve the desired effect.

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Special effects are often "invisible." That is to say that the audience is unaware that what they are seeing is a special effect. This is often the case in historical movies, where the architecture and other surroundings of previous eras is created using special effects.

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Visual special effects techniques (in rough order of invention):

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• practical effects
• in-camera effects
• miniature effects
• Schüfftan process
• matte paintings
• rotoscoping
• Dolly zoom
• optical effects
• travelling matte
• bluescreen
• prosthetic makeup effects
• motion control photography
• Audio-Animatronic models
• digital compositing
• wire removal
• morphing
• computer-generated imagery
• match moving

Notable special effects artists:

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• Rick Baker
• Richard Edlund
• Ray Harryhausen
• Derek Meddings
• Ken Ralston
• Eugen Schüfftan
• Colin Strause
• Greg Strause
• Douglas Trumbull
• Eiji Tsuburaya

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Notable special effects companies:

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• Cinesite
• Computer Film Company
• Digital Domain
• Framestore CFC
• Hydraulx
• Industrial Light and Magic
• Moving Picture Company
• SGI
• Weta Digital
• Intelligent Creatures
• Flash Film Works
 
Special effect: See also ►