• Zoom optics

    The MS-3 and MS-509 Compact Wide Field Zoom Tubes measure 66 mm in length and 25 mm in diameter. The MS-3 has a 3:1 zoom ratio and a 200-mm working distance. The MS-509 has a 1.5:1 zoom ratio and a 75-mm working distance. Applications include machine-vision systems for alignment in the semiconductor industry.
    Dec. 1, 1996

    Zoom optics

    The MS-3 and MS-509 Compact Wide Field Zoom Tubes measure 66 mm in length and 25 mm in diameter. The MS-3 has a 3:1 zoom ratio and a 200-mm working distance. The MS-509 has a 1.5:1 zoom ratio and a 75-mm working distance. Applications include machine-vision systems for alignment in the semiconductor industry.

    Seiwa Optical Company Ltd., Pearl River, NY

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