Through the use of convex lenses (rounded on both outside lenses), a magnifying glass can make tiny details viewable to the human eye. The object is magnified, or enlarged, as light hits the edge of the lens and pushes it toward the center of the lens. Magnifying glasses, which are typically mounted to a handle or slide viewer, also come in different strengths of magnification. A 10x magnifying glass can, viewed at the proper distance, magnify an object or detail up to 10 times its normal size. Some of the best manufacturers of 10x magnifying glasses include Bausch & Lomb, ElectroOptix, Konus and Zeiss Optics.
Bausch & Lomb
Bausch & Lomb is one of the leading healthcare companies in the world and is best known for its contact lens products. The company began as a small optical shop in Rochester, NY in 1853. It offers a number of magnifying glasses for personal and professional use, with magnification ranges from 2x to 20x. The line of illuminated Coddington magnifiers have 10x magnification. The Coddington magnifier has a single thick lens with a central grooved diaphragm that displays sharp, crisp images during daylight and darkness.
ElectroOptix, based in Pompano Beach, FL, has manufactured magnification products for more than 40 years, and produces products used by numerous companies in the industry. All of the company's products are American-made. Its line of pocket magnifiers range from 4x to 14x and come with an anti-reflection coating to eliminate glare. ElectroOptix also offers folding, swinging and adjustable stand magnifying glasses in 10x strength. A line of jewelers pocket loupes in 10x magnification is also available.
Konus offers a broad range of optical products, ranging from telescopes, binoculars, microscopes and magnifying glasses. The company was founded in Verona, Italy in 1979. Several different styles of magnifying glasses, with magnifications ranging from 2x to 20x (a line of pocket microscopes has a magnification of 50x to 80x), are available. Konus' line of linen testers can be used when precision workmanship and craftsmanship is needed to create minute details. They are available in foldable, sprung, and "jack-knife" constructions.
Zeiss Optics began as the brainchild of Carl Zeiss in Jena, Germany in 1847, where he innovated the process of making a simple microscope that used only a single lens. Since that time, the company has grown and now makes eyeglasses, contact lenses, binoculars, riflescopes, surgical equipment, planetarium lenses and magnifying glasses. Zeiss produces a line of aplanatic achromatic pocket magnifiers, including the Zeiss 10x Triplet. This small (1/2-inch diameter) folding loupe has multi-layer anti-reflective coating and is corrected for spherical aberrations which can interfere with sharp focusing.