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Objective Zoom Range: 0.67X-4.5X， using the Barlow lenses
Working Distance: 4" (100mm)
Diopter Adjustment: +/- 5dp
Interpupillary Distance: 2-3/16" - 2-15/16"(55-75mm)
Round Plate: 3-3/4" (95mm) in diameter
Stand: 10" x 7-7/8" x 10.75" (254 x 200 x 275mm)
Power Input: 110-240V， 50-60HZ， Automatic Switching
Accessories: Paired eye-caps
Weight: 5.5kg
The package includes:
1 x Trinocular stereo zoom head or Binocular stereo zoom head
1 x pair of extra wide Widefield 10X eyepieces
1 x Focus frame
1 x for safety glasses
1 x for the clip
1 x dust cover
1 x dust mirror