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  Donegan OptiVISOR LX Binocular Magnifier-Lensplate #4 Magnifies 2X At 10″ Focal Length
  $37.33

  Please note: number on the lens designates the diopter, not the magnification
  Magnifies 2X at 10″ focal length
  Matched set of Lenses prismatically ground and polished to precise optical standards

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