Bausch & Lomb Hasting Triplet Pocket Magnifiers

Bausch & Lomb Hastings Triplet Pocket Magnifiers The Hastings lens consists of three separate lenses made of different types of glass, each ground and polished to instrument quality standards and cemented together. Strong chrome-plated metal case protects lens. The next step up in image quality beyond this magnifier is a microscope. Specifications: 7x      1-1/2” Focus, 3/4” Dia. Lens 10x    1” Focus, 5/8” Dia. Lens 14x     3/4” Focus, 1/2” Dia. Lens 20x     1/2” Focus, 5/16” Dia. Lens