Donegan Optical Optivisor Binocular Magnifier

Working distance of 8 inches 2-1/2x Power Reduces eyestrain Glass lens flips up when not in use Padded forehead for longwearing comfort Hands-free optical binocular magnifier with a precision ground and polished glass lens is for use on viewing items 8 inches away. Powerful 2-1/2 times magnification makes this great for viewing fine print or small items without eyestrain. Adjustable frame is made of lightweight durable impact-resistant materials. Pivot knobs can also adjust to hold visor in any position for easy flip-up when not in use. Can be worn over prescription or safety eyeglasses. Additional lenses either for replacement or an alternate power are available separately.Fernglaslupe aus optischem Glas 25-fache Vergrerung mit einer Brennweite von 200 mm Ein Przisionsinstrument das die Sicht verbessert und Ihre Effizienz steigert Voll verstellbar um jede Gre zu passen schnell und einfach Austauschbare Objektivplatten sind separat erhltlich OP1763/03