WIDE RANGE ZOOM SYSTEM
    1.
    发明申请
    WIDE RANGE ZOOM SYSTEM 有权
    宽范围变焦系统

    公开(公告)号:US20130242407A1

    公开(公告)日:2013-09-19

    申请号:US13824250

    申请日:2011-06-17

    IPC分类号: G02B21/02

    摘要: A wide range zoom system, for microscopes. The zoom system includes five lens groups, of which, starting at the object side, the second and fourth lens group are displaceable in the axial direction relative to the first, third and fifth lens group. A stop of variable opening diameter that is stationary relative to the first, third and fifth lens group is provided between the second and fourth lens group, wherein the maximum opening diameter of said stop is in middle zoom magnifications. As magnification increases, the object-side aperture increases non-linearly in relation to the magnification, such that in regions of low magnifications the object-side aperture increases more sharply than in regions of higher magnifications.

    摘要翻译: 广泛的变焦系统,用于显微镜。 变焦系统包括五个透镜组,其中从物体侧开始,第二和第四透镜组相对于第一,第三和第五透镜组在轴向方向上可移位。 相对于第一,第三和第五透镜组静止的可变开口直径的止动件设置在第二和第四透镜组之间,其中所述止挡件的最大开口直径为中央变焦倍率。 当放大倍率增加时,物体侧孔径相对于放大率非线性增加,使得在较低倍率的区域中,物体侧孔径比较高放大倍数的区域更加急剧地增加。

    Wide range zoom system
    2.
    发明授权
    Wide range zoom system 有权
    宽范围变焦系统

    公开(公告)号:US08958159B2

    公开(公告)日:2015-02-17

    申请号:US13824250

    申请日:2011-06-17

    摘要: A wide range zoom system, for microscopes. The zoom system includes five lens groups, of which, starting at the object side, the second and fourth lens group are displaceable in the axial direction relative to the first, third and fifth lens group. A stop of variable opening diameter that is stationary relative to the first, third and fifth lens group is provided between the second and fourth lens group, wherein the maximum opening diameter of said stop is in middle zoom magnifications. As magnification increases, the object-side aperture increases non-linearly in relation to the magnification, such that in regions of low magnifications the object-side aperture increases more sharply than in regions of higher magnifications.

    摘要翻译: 广泛的变焦系统,用于显微镜。 变焦系统包括五个透镜组,其中从物体侧开始,第二和第四透镜组相对于第一,第三和第五透镜组在轴向方向上可移位。 相对于第一,第三和第五透镜组静止的可变开口直径的止动件设置在第二和第四透镜组之间,其中所述止挡件的最大开口直径为中央变焦倍率。 当放大倍率增加时,物体侧孔径相对于放大率非线性增加,使得在较低倍率的区域中,物体侧孔径比较高放大倍数的区域更加急剧地增加。