IMAX Technical Fact Sheet

. IMAX Filmsize
IMAX: Larger than Life (IMAX)

Imax Corporation is the pioneer and leader of giant-screen large-format film and motion simulator entertainment. It is the leading provider of high-impact out-of-home high technology entertainment systems.


IMAX technology combines a variety of technological innovations: special cameras, special projectors, wide screens, specially-designed theatres with steeply raked seating, and films shot on 65mm negative stock.


IMAX technology uses the largest commercial film format in motion picture history -- 70mm, 15-perforation -- three times the size of regular 70mm, and ten times the size of conventional 35mm which you would see in a normal movie theatre.


It is projected on giant screens which extend beyond your peripheral vision -- so big, in fact, that a whale can appear life-size -- IMAX screens can be up to eight stories high. Because these screens fill your peripheral vision, you have the sense of being right in the action

IMAX Dome Comparison .
Conventional and IMAX Screen Sizes (IMAX)


It features the most advanced projector ever built using Imax's patented Rolling Loop technology. Each frame is positioned on fixed registration pins; the film is held firmly against the rear element of the lens by a vacuum. A 68 per cent shutter transmits one third more light than a conventional 50 per cent shutter. In 1997, Imax introduced a 3D projection system (IMAX 3D SR) designed for smaller markets which can be integrated into an existing multiplex.


IMAX theatres feature a patented digital audio technology with advanced circuits designed specifically to enhance sound clarity and depth of sound reproduction. IMAX sound also uses proprietary signal processing, amplification and loudspeaker design.


. IMAX Screen Size
IMAX Dome Comparisons (IMAX)

Large-format films are shown in specially-designed theatres where the seating decks are steeply raked, so that even a child's view is unobstructed and people can look up and down, as in real life.


IMAX 3D technology is acknowledged to be the best 3D in the world. Imax has developed a special 3D camera which incorporates two camera movements into one housing. It has adapted the Rolling Loop projector to project 3D and uses either IMAX 3D glasses with polarizing filters or electronic liquid-crystal shutter glasses (as at the SONY IMAX Theatre in New York).

Reprinted courtesy of IMAX Corp.