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I- MAX
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What is IMAX?
IMAX is the largest and most exciting filmformat in the world!
With crystal clear images, ten times larger
than traditional cinema format, the IMAXexperience draws you in with pictures so real
you want to touch them, so powerful you can
feel them. The IMAX experience takes an image rich in
clarity and definition, throws it onto the
world's biggest screens and wraps the viewerin digital surround sound.
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Using state-of-the-art electronic headsets,
complete with infra red sensors to detect the
left and right eye images, the IMAX 3D
experience has brought 3D enjoyment a long
way from the cardboard glasses of the 1950s.
Bigger images. Better sound. Sharper 3D. The
IMAX experience is the future of film
entertainment.
The screens in IMAX Theatres are the biggest
in the world.
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Up to eight storeys high, they are ten times
larger than a traditional cinema screen and
fill the whole field of human vision.
Made of stretched vinyl, coated with a
reflective silver paint they are stretched taut
over a scaffold frame.
With thousands of small perforations they
allow sound from speakers positioned behind
the screen to play their key role in the total
surround sound system.
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Sound is critical to the IMAX experience. The film
soundtracks are delivered through a mighty 15,000 watt
digital surround sound system manufactured by SonicsAssociates Inc, one of the world leaders in sound system
design.
The IMAX six channel, high fidelity, motion picture sound
system with sub bass plays off three separate CDs eachcarrying two tracks.
To eliminate variations in volume and sound quality over
the theatre seating area the Sonic Proportional Point
Source Loudspeaker system, specifically designed for IMAXTheatres, is used to control sound.
To project such large films IMAX have built the most
advanced, high precision and powerful projectors.
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IMAX films are shot and projected on 15
perforation/70mm film - the largest film format in
existence. It is only possible to project these onto the
huge screen because of the remarkable high definition
and clarity of these film frames.
And it is these huge film frames that are at the heart of
the IMAX experience. Three times larger than the
traditional 70 mm cinemascope frames they have pushedthe quality of motion picture images to new heights (quite
literally).
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IMAX Corporation ("IMAX"), founded in
1967 and headquartered jointly in New
York City and Toronto, Canada, is one of
the world's leading entertainment
technology companies, specializing inimmersive motion picture technologies.
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The Companys activities include the
design, leasing, marketing, maintenance,
and operation of IMAX theatre systems,
as well as the development, production,
post-production and distribution of IMAX
motion pictures. IMAX commits significant
funding to ongoing research anddevelopment and has developed a digital
projection system which provides
consumers with the premium IMAXex erience the have come to know,
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The globally recognized IMAX brand stands for the world's most immersive movie experience.
As the IMAX theatre network grows, so does the visibility of the IMAX brand a name that is
unique in the entertainment business The IMAX theatre network is among the most important
and successful theatrical distribution platforms for major event Hollywood films, with IMAX
theatres delivering the world's best movie presentations using proprietary IMAX, IMAX 3D, and
IMAX DMR technology.
There are currently more than 320 IMAX theatres in 42 countries. Approximately 65 percent of
the theatres are located in North America, while the remaining 35 percent are spread
internationally. More than 60% of the theatres are part of commercial theatre complexes. The rest
are located in institutional venues, such as museums and science centers. The majority of IMAX
theatres are equipped with IMAX 3D technology. IMAX's Digital projection system began its roll
out in July, 2008. There are currently [50] digital projection systems in operation.
To date, nearly 1 billion people have enjoyed The IMAX Experience at IMAX theatres around
the world
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.
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Th 15 kW X h t
http://upload.wikimedia.org/wikipedia/commons/4/41/IMAX_camera_1.jpghttp://upload.wikimedia.org/wikipedia/commons/4/41/IMAX_camera_1.jpghttp://upload.wikimedia.org/wikipedia/commons/3/3e/Xenon_IMAX_1.jpghttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://upload.wikimedia.org/wikipedia/commons/3/3e/Xenon_IMAX_1.jpg7/30/2019 Imax Corporation 1
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The 15 kW Xenon short-arc
lamp used in IMAX projectors
http://upload.wikimedia.org/wikipedia/commons/3/3e/Xenon_IMAX_1.jpghttp://upload.wikimedia.org/wikipedia/commons/3/3e/Xenon_IMAX_1.jpghttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://upload.wikimedia.org/wikipedia/commons/3/3e/Xenon_IMAX_1.jpghttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://en.wikipedia.org/wiki/Xenon_arc_lamphttp://upload.wikimedia.org/wikipedia/commons/3/3e/Xenon_IMAX_1.jpg7/30/2019 Imax Corporation 1
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IMAX Dome control room
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The dome system, which the San
Diego Hall of Science called
OMNIMAX, uses a fisheye lens onthe camera that squeezes a highly
distorted 180 degree field of view
onto the 70 mm IMAX film. The
lens is aligned below the center of
the frame and most of the bottomhalf of the circular field falls beyond
the edge of the film. The part of the
field that would fall below the edge
of the dome is masked off. When
filming, the camera is aimed
upward at an angle that matches
the tilt of the dome. When
projected through a matching
fisheye lens onto a dome, theoriginal panoramic view is
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SIGHT AND SOUND The screens in IMAX Theatres are the biggest in the world.
Up to eight storeys high, they are ten times larger than a
traditional cinema screen and fill the whole field of human vision.
Made of stretched vinyl, coated with a reflective silver paint they
are stretched taut over a scaffold frame.
With thousands of small perforations they allow sound from
speakers positioned behind the screen to play their key role in thetotal surround sound system.
Sound is critical to the IMAX experience. The film soundtracks are
delivered through a mighty 15,000 watt digital surround sound
system manufactured by Sonics Associates Inc, one of the worldleaders in sound system design.
The IMAX six channel, high fidelity, motion picture sound system
with sub bass plays off three separate CDs each carrying two
tracks.
To eliminate variations in volume and sound quality over the
theatre seatin area the Sonic Pro ortional Point Source
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PROJECTOR AND SCREEN
To project such large films IMAX have built the most
advanced, high precision and powerful projectors.
IMAX films are shot and projected on 15
perforation/70mm film - the largest film format inexistence. It is only possible to project these onto the
huge screen because of the remarkable high definition
and clarity of these film frames.
And it is these huge film frames that are at the heart ofthe IMAX experience. Three times larger than the
traditional 70 mm cinemascope frames they have pushed
the quality of motion picture images to new heights (quite
literally).
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The key to their superior performance and reliability is theunique ''Rolling Loop'' film movement. The Rolling Loop
advances the film horizontally in a smooth, wave-like
motion. During projection, each frame is positioned on a
fixed registration point and the film is held firmly againstthe rear element of the lens by a vacuum. As a result, the
picture and focus steadiness are far above normal
standards and provide outstanding image clarity.
The powerful 3D projector uses two 15,000 watt bulbs(the average 35mm projector uses a bulb between 2,000
and 4,000 watts). The huge heat generated requires a
dedicated cooling system that pumps 1,600 cubic metres
of air and 36 litres of distilled water through the lamp
housing every minute to keep the projector cool.