Magnification: 2.5x Diopters: 6.4D Lens size: 60 mm Completely transparent for maximum light and shadow-free viewing The Economy Series of Biconvex hand-held magnifiers offers high-quality optics at an affordable price. Features: * Magnification: 2.5x * Diopters: 6.4D * Lens size: 60 mm * Completely transparent for maximum light and shadow-free viewing * 5x plano-convex bifocal lens in handle * Slot in handle for carrying cord (cord not included) Manufacturer: Eschenbach Origin: Germany Model: 2612-607