LP 3 OptiVISOR 1.75x lens is a precision binocular headband magnifier, which leaves both hands free and allows three-dimensional vision. This replacement lens plate increases the versatility of your OptiVisor. 

Features:
* Magnification: 1.75X
* Diopter: 3
* Lens: Glass
* Working distance: 14 inches
* Weight: 1.1 oz.

Manufacturer: Donegan
Origin: USA