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Infilmmaking apractical effect is aspecial effect produced physically, withoutcomputer-generated imagery or other post-production techniques. In some contexts, "special effect" is used as asynonym of "practical effect", in contrast to "visual effects" which are created inpost-production through photographic manipulation or computer generation.[1]
Practical effects often use principles from magic tricks, exploiting the camera's single viewpoint to create convincing illusions that may work only from certain angles, or using specially createdprops designed to achieve the desired effect. These effects require an interdisciplinary skill set, combining artistic craftsmanship with technical expertise in mechanics and engineering to achieve the desired result.
Many of the staples of action movies are practical effects. Gunfire,bullet wounds, rain, wind, fire, and explosions can all be produced on a movie set by someone skilled in practical effects. Non-human characters and creatures produced with make-up, prosthetics, masks, andpuppets—in contrast to computer-generatedimages—are also examples of practical effects.
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