Magnifier -Donegan Optical Opti Visor - 2.5 *MADE IN THE USA*

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OptiVISOR is a precision binocular headband magnifier which permits both hands free and allows three dimensional vision. It can reduce eyestrain. Used by anyone whose profession o r craft requires close accurate work. Can be worn over prescription or safety eyeglasses. Optical glass prismatic lenses: Ground and polished to precision optical standards—bevel edged and mounted in an interchangeable plastic frame It tilts: Adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification Adjustable headband: Conforms to fit all head sizes—fabricated from a special blend lightweight material. Comfortable when worn for long periods of time. Focal length is 8" and the magnification is 2.5 times. Made in U.S.A. Show more