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    Wikipedia
    https://en.wikipedia.org › wiki › IMAX

    IMAX - Wikipedia

    • IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately either 1.43:1 or 1.90:1) and steep stadium seating, with the 1.43:1 ratio format being available only in few selected locations. Graeme Ferguson, Roman Kroitor, Robert Kerr, and William C… 展开

    History

    The single-projector/single-camera system they eventually settled upon was designed and built by Shaw based upon a novel "Rolling Loop" film-transport technology purchased from Peter Ronald Wright Jones, a machin… 展开

    Technical aspects

    The IMAX cinema process increases the image resolution by using a larger film frame; in relative terms, a frame of IMAX format film has three times the theoretical horizontal resolution of a frame of 35 mm film. … 展开

    Projectors

    Transporting the large film stock through the optical system presented challenges for both the camera and the projector. Conventional 70 mm systems were not steady enough for the 586× magnification. On the projector … 展开

    Digital projection

    The digital cinema IMAX projection system, debuted in 2008, is designed for use with shorter 1.90:1 aspect ratio screens. The system uses two 2K projectors that can present either 2D or 3D content in DCI or IMAX Digital For… 展开

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    History
    Technical aspects
    Projectors
    Digital projection