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From the point of view of an opticist, the Large Sky Area Multi-Object Fiber Spectroscopic Telescope （LAMOST） marks a miracle-like milestone. It integrates a lot of innovative ideas once thought to be impossible： both the primary mirror and the corrector segmented and adjustable using active optics; an incredible 5-degree field of view achieved by an 8m telescope; the highest spectra acquiring rate in the world; an amazing variable optical system capable of forming a series of Schmidt telescopes through real-time adjustment, and many others （relier to the description of LAMOST on page 231 ）.