IMAX - Wikipedia. This article is about the IMAX motion picture film format. Polina (2017) Video Download. For the company responsible for this format, see IMAX Corporation. For the car known as the Hyundai i. Max in some markets, see Hyundai Starex. IMAX is a 7. 0 mm motion picture film format and a set of cinema projection standards developed in Canada in the late 1. Graeme Ferguson, Roman Kroitor, Robert Kerr, and William C.

Unlike conventional projectors, the film is run horizontally (see diagram sprocket holes) so that the image width is greater than the width of the film. Since 2. 00. 2, some feature films have been converted (or upgraded) into IMAX format for displaying in IMAX theatres and some have also been partially shot in IMAX. IMAX is the most widely used system for special- venue film presentations. As of June 2. 01.

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IMAX theatres in 7. In 1. 92. 9, Fox introduced Fox Grandeur, the first 7. While impressive, Cinerama was difficult to install. During Expo 6. 7 in Montreal, the National Film Board of Canada's In the Labyrinth and Ferguson's Man and the Polar Regions both used multi- projector, multi- screen systems. Each encountered technical difficulties that led them to found a company called . The single- projector/single- camera system they eventually settled upon was designed and built by Shaw based upon a novel .

Patent 3,4. 94,5. As it became clear that a single, large- screen image had more impact than multiple smaller ones and was a more viable product direction, Multiscreen changed its name to IMAX. An IMAX 3. D theatre also is in operation near the former Expo 6. Montreal Science Centre in the Port of Old Montreal. Tiger Child, the first IMAX film, was demonstrated at Expo '7.

Osaka, Japan. It debuted in May 1. North of Superior. The installation is still in place. Wakefield (2017) Movie Divx. It became the first IMAX Theatre to not be partnered with any other brand of movie theaters. About five million visitors viewed the screen, which covered the viewer's total visual field when looking directly forward.

This created a sensation of motion in most viewers, and motion sickness in some. Another IMAX 3. D theater was also built in Spokane; however, its screen- size is less than half. Due to protests, the City of Spokane officials have decided to work the IMAX Corporation to demolish the theatre, under the condition they renovate the US Pavilion itself into IMAX's first permanent outdoor giant- screen theatre. They plan to use material on the inside of the structure, similar to that it used when first constructed. However, it is expected to last a range of 5 years, due to weather conditions destroying previous materials. Fleet Science Center, opened in San Diego's Balboa Park in 1. It doubles as a planetarium.

The first permanent IMAX 3. D theatre was built in Vancouver, British Columbia for Transitions at Expo '8. September 3. 0, 2. This lower- cost option, which allowed for the conversion of existing multiplex theater auditoriums, helped IMAX to grow from 2. At 2. 4 frames per second, this means that the film moves through the camera at 1. In a conventional 6. In comparison, in a conventional 3.

To match the standard image resolution of the moving image produced with the film- speed of 2. IMAX film requires three times the length of (negative) film stock required for a 6. D digital camera.

The camera was developed alongside Vision Research and Abel. Cine, integrating two Phantom 6. A prototype camera was used for the documentary Born to be Wild, in which approximately 1. While IMAX has completed the production camera and has been placed into service on several films, there are no plans to produce an IMAX film using solely the new digital system.

Transformers: Age of Extinction is the first feature film to be partially filmed with the Phantom 6. IMAX 3. D camera. The first production to use the camera is Captain America: Civil War. Directors Joe and Anthony Russo have announced that Avengers: Infinity War and its sequel will be filmed completely with IMAX 2. D digital cameras.

The film's bulk requires horizontal platters, rather than conventional film reels. Platters with a 2. IMAX uses ESTAR- based print film. ESTAR- based print film provides greater precision. The chemical development process does not change the size or shape of ESTAR print film, and IMAX's pin registration system (especially the camera mechanism) does not tolerate either sprocket- hole or film- thickness variations.

On September 1, 2. Virtual Reality into the IMAX theater experience with the opening of a new VR center in Los Angeles using a new Star. VR headset created by Acer. Soundtrack - double- system. Instead, the IMAX system specifies a separate six- channel 3.

Vitaphone had been (utilizing 1. RPM electrical transcription discs) in the early 2. Cinerama process in the mid- 1. By the early 1. 99.

DTS- based 6- track digital sound system was used, similarly locked to the projector by a SMPTE time code synchronization apparatus, the audio played off a series of proprietarily encoded CD- ROM discs. In the late 1. 99. These are then converted directly to analogue rather than using a decoding method such as DTS. Like conventional theatres, IMAX theatres place speakers both directly behind the acoustically transparent screen and around the theatre to create a . IMAX also provides a . This extra channel allows the sound mix engineers to take advantage of the screen's greater height.

Conventional 7. 0 mm systems were not steady enough for the 5. On the projector side, William Shaw adapted an Australian patent for film transport called the . The projector uses a vacuum to pull the film into contact with this lens. The lens is twice the height of the film and connects to a pneumaticpiston so it can be moved up or down while the projector is running. This way, if a piece of dust comes off the film and sticks to the lens, the projectionist can switch to the clean side of the lens at the push of a button. The lens also has .

IMAX projectors are pin stabilized, meaning four registration pins engage the perforations at the corners of the projected frame to ensure perfect alignment. Shaw added cam- controlled arms to decelerate each frame to eliminate the microscopic shaking as the frame . The projector's shutter is open around 2.

The xenon short- arc lamps are made of a thin layer of fused quartz and contain xenon gas at a pressure of about 2. PSI); because of this, projectionists are required to wear protective body armor when changing or handling these in case the lamp breaks (e. An IMAX projector weighs up to 1. IMAX Corporation has released four projector types that use its 1.

GT (Grand Theatre), GT 3. D (dual rotor), SR (Small Rotor), and MPX, which was designed for retrofitted theatres. All IMAX projectors, except the standard GT system, can project 3. D images. Digital projection. The system uses two 2. K projectors that can present either 2. D or 3. D content in DCI or IMAX Digital Format (IDF) (which in itself is a superset of DCI).

IDF initially used 2. K- resolution Christie xenon projectors, with a Texas Instruments. Digital Light Processing (DLP) engine, but in 2. IMAX announced that they would be switching to Barco as their primary supplier. For 3. D presentations, one projector is used to display the image for each eye, while 2. D presentations use the superimposed images to allow for a brighter 2.

The Digital IMAX projection system includes a proprietary IMAX Image Enhancer that modifies the output of the digital media server based on feedback from cameras and microphones in the auditorium, and maintains alignment with sub- pixel accuracy. To do so, IMAX developed a rail system that allows the projectors to be moved in and out if there is either a full- frame film print available or a digital- only release. These theaters were prepared in time for the release of The Dark Knight Rises in July 2. Like the 3. D film and digital systems, it used two projectors, but it improved over the smaller digital screens by retaining the traditional IMAX aspect ratio and allowed films to be shown on screens 3.