| Abstract: | With its pure aperture up to 985mm, the New Vacuum Solar Telescope of China （NVST） has become the world＇s biggest vacuum solar telescope. The main science task of NVST is the high-resolution observation of photosphere and chromosphere including their fine structure of magnetic field on the sun. The NVST was equipped with many new technologies and powerful instruments, such as an adaptive optical system, a polarization analyzer, two vertical spectrographs, a high-resolution image system and a very narrow Ha filter （0.125A）. |
