Specifications:

Magnification: 2.5X
Interpupillary Distance: 58mm / 60mm / 62mm / 64mm / customized size 
Please contact with us for customized interpupillary distance.
 
Working Distance: 300-500 mm
Field of View: 100-158 mm
Depth of Field: 92-220 mm
Net Weight: 416 g

Power of the LED Bulb: 5W (generation 2)
Input Voltage: AC100-240V / 50-60HZ

Package Included:

1x main glasses with binocular loupes
1x headband
2x cover for binocular loupes
1x cleaning cloth
1x user's manual book
1x headlight with glasses clip
1x power adapter (charger)
1x battery
1x box
 

Features:

1. Eyepiece: multi-layer lens, multi-layer coating, the mirror image is especially clear, the field of vision is wider.
2. Lens: the lens is made of imported Poly Carbonate material, which can be used directly by those who do not need to be corrected. 
3. Frame: using carbon fiber frame, light weight, with anti-skid function, to prevent the magnifier falling from the ears.
4. Nose pads: soft, comfortable, suitable for all kinds of nose beams, without adjustment.
5. Comfortable binocular magnifier with ultra light material, the weight of less than 45g (not including frame).
6. It can supply large field of views and deep depth of view. 
7. It is used for reduces dentist's eye, neck and shoulder fatigue, which is caused by long time lower head work.
 
Here are some experience for reference: clinical application and magnification:
1. General dentistry, dental health, planting: 2.5X.
2. Dental crown, bridge work: 3.5X - 4.0X.
3. Laboratory Work, Technician: 4.0X - 5.0X.