Donegan OptiVISOR Binocular Headband Magnifier

lt;p>OptiVISOR is a precision binocular headband magnifier which permits unrestricted user efficiency while reducing eye strain—leaves both hands free and allows three dimensional vision. Used by anyone whose profession or craft requires close accurate work

Please note: number on the lens designates the diopter, not the magnification Magnifies 2X at 10 focal length Matched set of Lenses prismatically

Donegan OptiVISOR LX Binocular Magnifier-Lensplate #4 Magnifies 2X At 10 Focal Length

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Brand: Donegan Optical Product: OptiVisor Magnifier Focal Length: 10 Magnification: 2X DA-4 Country of Origin: United States

OptiVISOR Donegan Magnifier 10 Focal 2x DA-4