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Optimize the position of the?optimal imaging area on the photo with the star test2017-02-26

There is no intuitive approach to adjust the optical axis of the reflector, how to move the optimal ...

How far can a telescope see?2017-02-26

People who are new to telescopes often wonder, "how far can this telescope see?" "And" how much larg...

Jiaxing Rui Xing Optical Instrument Co., Ltd.2017-02-26

Jiaxing Ruixing Optical Instrument Co., Ltd. is located in Jiaxing City, Zhejiang Province, wher...