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    1. Jiaxing Rui Xing Optical Instrument Co., Ltd 簡體中文版   English
      You are here: Home >>  產品中心 >>  停產系列 >>  AL系列 >>  View Details
      Caliber: 107mm
      Focal length: 700mm (f/6.50)
      Objective type: three chip fully separated composite achromatic
      Net weight: 5.10kg
      Resolution: 1.09 sec
      Visual limit magnitude: 12.6
      Outer diameter of lens barrel: 114mm
      Length of lens tube (Extended): 685mm
      Length of lens tube (indent): 590mm