GM171 Binocular

  • Greenough zoom optical system
  • Binocular head, 45º inclined, 360º rotating
  • Widefield adjustable eyepieces N-WF10X/23mm
  • 6.7:1 Zoom ratio, WD=110mm
  • Objective magnification range: 0.75X-5X
  • Specialised gemmology tilting base, 0º to 45º tilting range: 360º rotary base
  • Coarse focusing system with tension adjustment
  • 6V/30W halogen brightfield/darkfield illumination with intensity control
  • Flexible gooseneck 7W fluorescent incident illumination
  • Wire gem holder
  • Aluminium carrying case and dust cover