• ???  

    VT60 / VT100/ VT130 / VT200 / VT275

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    T2N: 3.5 NM-65 NM

    ??p???

    ?ι???5

    ?p????15 / 20 / 30

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    ?ι?????1arcmin

    ?p??????1arcmin / ??3arcmin / ??5arcmin??P0/P1/P2)

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    ?ι????R 97%

    ?p?????R 94%

    ????é???

    30000h









    大发黄金城