Caliber:
. Focal length:
< Focal ratio: /
< Maximum magnification:
< Extreme magnitude:
< Resolution:.
< Eyepiece holder caliber:.
< Eyepiece:
< Finderscope:
< Base:
< Tripod height:
< Specifications
< Weight ：
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Fuqing Fuzhou 90EQ refractory entry-level sky-viewing dual-use