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    • 4. 发明授权
    • Zoom device
    • 缩放设备
    • US5850310A
    • 1998-12-15
    • US722872
    • 1996-09-26
    • Jurgen Schweizer
    • Jurgen Schweizer
    • G02B15/14G02B7/10G02B15/16G02B27/10
    • G02B15/16G02B7/10
    • The invention is directed to a zoom device which is built up of several lenses wherein at least one parallel entry beam is changed with respect to its diameter. The exit beam has the same optical axis as the entry beam. The zoom device of the invention is assembled from several zoom systems. The optical axes of the lenses of the different zoom systems are arranged so as to be mutually parallel or at least in a fixed spatial relationship so that in a beam made up of many individual beams the defined diameter remains constant because of the axes of the outer individual beams.
    • 本发明涉及一种由多个透镜构成的变焦装置,其中至少一个平行进入梁相对于其直径而改变。 出射光束具有与入射光束相同的光轴。 本发明的变焦装置由几个变焦系统组装。 不同变焦系统的透镜的光轴被布置成相互平行或至少以固定的空间关系,使得在由许多单个光束构成的光束中,限定的直径由于外部的轴线而保持恒定 单个梁。