Donegan OptiVISOR® Magnifier with Single Lens Magnification Power:3.5X this design material allows for

this design material allows for the high-quality and efficient color design of surfaces

This fluid protects the internal components during shipping

Black faux leather with a diamond pattern covers the cardboard box

Metal will not adhere to the ring stick

then pull the knob

Donegan OptiVISOR® Magnifier with Single Lens Magnification Power:3.5X this design material allows forThe OptiVISOR is the jewelers choice for reducing eyestrain at the bench, offering comfort as well as magnification with precision optics. This OptiVISOR includes one 3. 5X (#10) lens plate, which shows a working distance (focal lenght) of 4. Additional lens plates are available so that you can tailor the magnification to the task. The interchangeable, lightweight glass lens plates are ground and polished to prismatic optical standards. An adjustable