Manufacturer Carson Optical Manufacturer part number MV-23 Availability Carson Magnivisor Magnifying Head-Visor- -MAGNIVISOR Old price: $27.99 Price: $21.27 Qty: Add to cart Add to compare list Add to Wishes-N-Wants View CARSON OPTICAL-Magnivisor Magnifying Head Visor. Perfect for hobbies and crafts, parts assembly and reading fine print! Has handy dual lens magnifier straps around your head for hands-free use. Built-in flip down lens increases magnification from 2x to 3x. Has crystal-clear acrylic lenses and can be used with eyeglasses. This package contains one 2x7x7 inch dual power magnifying head- visor. Imported.