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Special effect

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Special effects, frequently abbreviated as FX, are visual illusions used to simulate fictional events.

Noël-Noël Pigrizia
Noël-Noël Pigrizia

These tricks allow creators to build virtual worlds in film, television, and video games. They are essential tools for storytelling in theater and amusement parks as well. Traditionally, the field is divided into two main categories: mechanical and optical effects. Mechanical effects are also called practical or physical effects. These occur during live-action shooting to create real, physical changes on a set.

Rig & Gimbal Mechanical Special Effects
Rig & Gimbal Mechanical Special Effects

Mechanical effects involve many different physical processes. Filmmakers use mechanized props and scale models to represent large objects. They also use pyrotechnics to create explosions or controlled fires. Atmospheric effects create physical wind, rain, fog, or snow on the set. Some mechanical effects are part of the set design itself. For example, a car might be rigged to appear to drive by itself. An actor might use prosthetic make-up to look like a non-human creature. Even the use of animatronics, which are robotic puppets, falls under this category.

Optical effects, or photographic effects, rely on camera and light manipulation. These techniques create images through photographic processes. Some are done "in-camera," meaning they happen while the camera is filming. This can include multiple exposures or the Schüfftan process. Others are completed in post-production using an optical printer. An optical printer is a device where a projector aims into a camera lens.

Madame Nobel - film set at the Embassy of France in Vienna May 2014 08
Madame Nobel - film set at the Embassy of France in Vienna May 2014 08

This tool allows editors to combine different images to create new illusions. For instance, optical effects can place actors against a completely different background.

The history of these illusions began long before digital computers. In 1857, Oscar Rejlander created the first special effects image. He combined 32 different negatives into one single montaged print. In 1895, Alfred Clark produced the first motion picture special effect.

He used a "stop trick" to film a queen's execution. Clark stopped the camera, replaced an actor with a dummy, and restarted filming. Georges Méliès later discovered this same trick by accident when his camera jammed. Méliès became known as the "Cinemagician" after making over 500 short films. He invented techniques like time-lapse photography and hand-painted color.

As technology advanced, new methods improved how realistic these worlds felt. Between 1910 and 1920, Norman Dawn improved the matte shot. He used a "glass shot" technique to prevent light from exposing certain parts of the film. This allowed artists to paint backgrounds with correct scale and perspective. In the 1930s, studios used miniatures to simulate massive spectacles.

King Kong 1933 Promotional Image
King Kong 1933 Promotional Image

These models allowed filmmakers to show naval battles or crashing airplanes safely. Willis O'Brien used three-dimensional models to bring creatures like King Kong to life. This era also saw the rise of animation to create the illusion of motion.

The mid-20th century brought a boom in science fiction effects. In the 1950s, Eiji Tsuburaya helped create the Godzilla films.

Eiji Tsuburaya - AP 1961
Eiji Tsuburaya - AP 1961

He developed "suitmation," where an actor wears a monster costume. This technique helped start the popular "Monster Boom" in Japan. Later, the film 2001: A Space Odyssey used highly detailed spaceship miniatures. It also used a new technique called slit-scan for its psychedelic finale. In the 1970s, George Lucas's Star Wars introduced the Dykstraflex. This was a computer-controlled camera rig that allowed for very precise movements.

Today, the industry has shifted toward digital filmmaking. Since the 1990s, computer-generated imagery, or CGI, has become the leading technology. CGI gives filmmakers much greater control over every pixel. It allows for effects that are more convincing and much safer for actors. Many traditional optical and mechanical techniques have been replaced by CGI. However, the core goal remains the same as it was for Méliès. Filmmakers continue to use these tools to make the impossible feel real.

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🖼️ Images & Media (7)
File:Noël-Noël Pigrizia.jpg
Noël-Noël Pigrizia.jpg
The Execution of Mary Stuart, 1895.ogv
File:King Kong 1933 Promotional Image.png
King Kong 1933 Promotional Image.png
File:Madame Nobel - film set at the Embassy of France in Vienna May 2014 08.jpg
Madame Nobel - film set at the Embassy of...
File:Eiji Tsuburaya - AP 1961.jpg
Eiji Tsuburaya - AP 1961.jpg
File:Rig & Gimbal Mechanical Special Effects.gif
Rig & Gimbal Mechanical Special Effects.gif
File:Exploded_bullet_hit_squibs_on_an_actor_wearing_scrubs_(cropped).jpg
Exploded_bullet_hit_squibs_on_an_actor_wea...
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