Why do I need this? Any time you need additional power when viewing small objects, when soldering, wire working, or reading, this is a great, hands free feature.
Donegan Optical Products: Quality jewelry magnification products - made in the u.s.a. Owned by professionals throughout the jewelry industry, OptiVISORs and loupes are used for grading and detailing diamonds and gemstones with unmatched performance and quality.
