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.Optical Glass Binocular Magnifier
2.5 x magnification with a focal length of 200mm 8″
A precision instrument that improves vision and increase your efficiency
Fully adjustable to fit any size quickly and easily
Interchangable lens plates are available-Sold separately OP1763/03