Binocular Loupes:
Features:
* Head Strap
* Adjustment Tool
* Setting Target
* Flip Grip
* Ultra Light Weight (75.0 grams) One Step Pupillary Adjustment
* Convenient 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
* Handy Protective Carry Case
* Inclusive cleaning cloth
* Screwdriver
* Flexible Headband

Parameters:
Magnification 3.5X
Working distance 420mm
Depth of field 80mm
Field of View 60mm
Weight 52g
Portable headlamp
4 Color for you choose: Blue Red Silver Black
With Filter to reduce light.