Bausch & Lomb 816171 Hastings Triplet Magnifier, 10X

Bausch & Lomb Hastings Triplet Magnifier 81-61-71 is one of the finest magnifiers by Bausch & Lomb. Three separate lenses are incorporated, bonded together to form a compound lens that provides a sharp, very distinct magnified image without distortion. A swing-away, nickel-plated case protects the lens and serves as a handle. Focal distance=1"/2.5cm Diopters 40 Lens Diameter 15.8mm 10x Magnification