Donegan Optical OptiVISOR 2x at 10in w/ Optical Glass Prismatic Lenses - DA-4 Display Tray Inserts Each 5X lens has a

Each 5X lens has a 2" (51 mm) focal distance and when combined the 10X magnification has a 1" (25 mm) focal distance and the 15X magnification has a 3/4" (19 mm) focal distance

Metal Color- White

24 New Ring Boxes Large Mans Gift Jewelry Crystal

It measures approximately 3" x 3/4" (76

Donegan Optical OptiVISOR 2x at 10in w/ Optical Glass Prismatic Lenses - DA-4 Display Tray Inserts Each 5X lens has aNew OptiVisor Optical Glass Magnifier This is a new OptiVisor headset magnifier This is a precision instrument that improves vision and will increase your efficiency It leaves both hands free Each lens is polished to precision opthalmic standards The frame is made of lightweight durable impact resistant materials It can be worn over prescription or safety glasses The comfortable continuous headband is fully adjustable to fit any size It has adjustable