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Forced perspective is a technique that employs optical illusion to make an object appear farther away, closer, larger or smaller than it actually is. It manipulates human visual perception through the use of scaled objects and the correlation between them and the vantage point of the spectator or camera .
Some examples of in-camera effects include the following: Matte painting; Schüfftan process; Forced perspective; Dolly zoom; Lens flares; Lighting effects; Filtration such as using a fog filter to simulate fog, or a grad filter to simulate sunset. Shutter effects. Time-lapse, slow motion, fast motion, and speed ramping. Bipacks; Slit-scan ...
There are hundreds of instances where a hanging miniature has been used. This is a very old device and when produced correctly it is almost completely undetectable. The chariot race in the 1925 version of Ben-Hur is a good example. Only a very careful examination will reveal that above the wall surrounding the stadium and the first rows of ...
For example, if standing at a distance so that a normal lens captures someone's face, a shot with a wide-angle lens or telephoto lens from the same distance will have exactly the same linear perspective geometry on the face, though the wide-angle lens may fit the entire body into the shot, while the telephoto lens captures only the nose.
Low point of view camera angle employing a forced perspective technique. A point-of-view (POV) shot shows the viewer the image through the subject's eye. Some POV shots use hand-held cameras to create the illusion that the viewer is seeing through the subject's eyes.
Trompe-l'œil, in the form of "forced perspective", has long been used in stage-theater set design, so as to create the illusion of a much deeper space than the existing stage. A famous early example is the Teatro Olimpico in Vicenza, with Vincenzo Scamozzi's seven forced-perspective "streets" (1585), which appear to recede into the distance.
This foreground miniature usage is referred to as forced perspective. Another form of miniature effect uses stop motion animation. The use of scale models in the creation of visual effects by the entertainment industry dates back to the earliest days of cinema. Models and miniatures are copies of people, animals, buildings, settings, and objects.
At particularly wide angles, however, the rectilinear perspective will cause objects to appear increasingly stretched and enlarged as they near the edge of the frame. These types of lenses are often used to create forced perspective effects. The most famous example is the Rapid Rectilinear Lens developed by John Henry Dallmeyer in 1866. It ...