Binocular Loupes 

Features: 
 

Head Strap
Adjustment Tool
Protective Caps
Setting Target
Flip Grip
Ultra Light Weight (75.0 grams)
One Step Pupillary Adjustment
Convenient 320mm or 420mm Working Distance
Adjustable Angular Viewing
Large Depth of Field
Easy Convergence Settings
Safety Soft Touch Frame
Flip-up Design
Large Field of View  
Stylish Designs
Multi-Person Use
Inclusive cleaning cloth
Screwdriver
Flexible Headband

Specification:
 

Magnification:               2.5X or 3.5X
Working distance:      320mm or 420mm
Depth of field:               80mm
Field of View:               60mm
Weight:                     52g
Frames:                   Ni-alloy or Titanium
Color:                       Black , Red , Blue, Black , Silver optional
Packing List:
 

Main glass: 1 each
Protect cups: 2 each
Inclusive cleaning cloth: 1 each
Screwdriver: 1 each
Flexible Headband: 1 each
Adjust Tool: 1 each