10x 2" Folding Pocket Magnifier Loupe Magnifying Glass Lens 10X folding pocket magnifier. The glass lens used in this folding pocket magnifier provides durability for a long life. The durable plastic swing-away case not only provides a protective cover for the lens, but serves as a handle as well. It has a 2" (51 mm) focal distance and a 2" (51 mm) lens diameter. Plastic hinge pin Measures approximately 2.83" x 2" x 0.67" (72 x 53 x 17 mm) closed and 5.31" x 2" x 0.67" (135 x 53 x 17 mm) open.