Binocular magnifier for precision work. It is worn on the head to leave both hands free. The lens plate consists of two separate magnifying lenses, ground and machine polished to the same precision standards as ophthalmic eyeglass lenses. The lenses are prismatic in accordance with the power and focal length. The purpose of the prismatic lens is to assist both eyes to converge on the object being viewed at a closer than normal distance as necessary for magnification. The Optivisor frame is made of lightweight, durable impact resistant materials. The headband is fully adjustable to fit any size, quickly and easily (may be worn over glasses). Optivisor comes with X3 ½ lenses, but is also available in five different diopter powers, providing the following magnifications: Χ1½, Χ1¾, Χ2, Χ2½ and Χ 2 ¾. |
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