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Canon / Объективы / HDgc Series Lenses / KT20x5B KRSD A


    KT20x5B KRSD A

    HDgc Series Lens Line Ups

    Concept of HDgc Series
    Corresponding to the digital High Definition broadcasting and diversity of HDTV equipment, Canon has added a new series to its HDTV lens line up, the HDsc series. The new HDgc series supports the emergence of an important new generation of cost-effective HD acquisition systems. Adopting the advantages created by Canon's unique technology, the new HDgc lenses exhibit high MTF, high resolution and high contrast from the center of the image to its extreme edges, meanwhile maintaining its compact size and weight.
    Another important policy of Canon's is not to pollute the earth and the HDgc series succeeded in excluding harmful substances such as cadmium, PBBS, PBDPE or mercury from the mechanical parts, and at the same time incorporating lead free glass and reducing the amount of hazardous substances used in electrical parts.
    See more imformation from our FAQ.

    Features of KT20x5B KRS

    Shuttle Shot Function

    Shuttle Shot is a Canon Exclusive Technology that enhances production capabilities. At the touch of a button, this feature allows the operator to zoom back and forth instantly between any two positions. It can be used to zoom to the telephoto position to check focus and then return instantly to the original position or you can “shuttle” between any two zoom positions at any time.

    Compact Design

    The KT20x is smaller in size and lighter in weight compared to the traditional BCTV lenses, which allows ease of use when carried on a shoulder.

    Newly Developed Advanced Drive Unit

    Various companies have rolled out cameras with lens aberration correction functions in recent years. For this reason, the KT20x5B KRSD A is fitted with a camera-communication interface to support these separate aberration correction functions.*1
    The KT20x5B KRSD A's zoom can travel end to end in 1.0 seconds.
    On the newly developed advanced drive unit, the Memo switch, which sets specific zoom positions for the Shuttle Shot function (see right page), has been changed to a push switch. On previous drive units, to memorize the zoom position, the operator had to adjust its position by a volume switch. The memo switch enables more reliable Shuttle Shot setup in the fi eld where more consistent functioning of the controls is required.

    *1. Check with the camera manufacturer to see whether the KT20x5B KRSD A is compatible with the camera's aberration correction functions.


    Operational Accessories

    Semi servo

    MS-21 / MS-22 / MS-15