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Michael Bay’s transformers was shot almost entirely in IMAX. Seeing an IMAX film is an experience like none other, with a screen so large it feels like you’re moving along with the movie. But how do they do it? 35mm film is the type of film found in movie theaters around the world, while IMAX film is twice the size at 70mm, offering about 8 times the resolution of regular film. IMAX films are shown on screens that are usually 52 feet by 72 feet, while regular theatre screens are about 19 feet x 42 feet. The large film size is needed to ensure that the image projected onto screens this large is crisp and clear: The aspect ratio of IMAX film is 2.20:1, while the aspect ratio of 35mm film is 2.35.1. 35mm film has an embedded soundtrack that can be seen on the film, between the perforations and …
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Film projection is a delicate process in which the scanner takes the film mounted on its supply reel and passes it through the film gate by using its sprockets. The gate is an opening in the machine where light shines through onto the film. Sprockets are small holes on one side of the film strip to guide the film through the gate. As each still frame passes the gate, the light shines the frames at high speed (24 frames per second), it then projects it onto the screen through a series of lenses and the user can adjust the focus. When this happens, it appears as if the image is moving. The take up reel will then spool up the film after projection. Once the entire process is completed, the operator rewinds the film back to its original reel. More about film projectors >> At our location, we inspect and clean the film before …
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