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    Infrared telescope with aperture 0f 1.26M
    Update time: 2009-09-15
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    first class prize of science & technology progress award of CAS in 1989second class prize of national science & technology progress award in 1991
    It is first infrared telescope with aperture of larger than 1M researched and manufactured by China
    which adopt R-C optical system with primary mirror aperture of 1.26M and with focal ratio of 1/30Structural design of reducing weight was applied to the telescope and very thin mirror adopted firstlyFor this reason its aperture ratio of performance--cost is very highA chopping secondary mirror enables the telescope to detect very faint infrared celestial objects out of the much brighter sky background

    Nanjing Institute of Astronomical Optics & Technology ,National Astronomical Observatories ,CAS