Usage : used to enlarge words on a page or computer screen
Features : They are plano-convex lenses: the flat (planar) surface is placed on the object to be magnified, and the convex (dome) surface provides the enlargement
Head Magnifier Convenient for magnification of jewelry and gemstones. These quality, headband visors permit the user to work efficiently with both hands while reducing eye strain with precision glass lenses. The visor comes with a fully adjustable,...
Head Magnifier Convenient for magnification of jewelry and gemstones. These quality, headband visors permit the user to work efficiently with both hands while reducing eye strain with precision glass lenses. The visor comes with a fully adjustable,...
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