Celestron, is a leading designer, manufacturer and importer of high-quality optical products including computerized and non-computerized telescopes and related accessories, binoculars, spotting scopes and microscopes. Since manufacturing its first telescope in 1960, Celestron has grown to become one of the world-s leading telescope makers, and enjoys brand-name recognition among serious amateur astronomers for superior optics, outstanding design, and innovative technology. Celestron-s innovative products continue to receive numerous industry and consumer media accolades, adding to an already impressive list that includes awards for product innovation from Reader-s Digest, Popular Science, PC Magazine, Popular Mechanics, the Consumer Electronics Association and more. Celestron sells and markets its products worldwide through a variety of specialty retail outlets and international distributors. 3-element Fully multi coated design.Brass pressure ring - Holds eyepiece more securely without damaging barrel.Rubber grip and hard black anodize finish with orange ring.Threaded for 1.25- filters.Magnification: 2 x.Optical Coatings: Fully Multi Coated.Size: 1.25- (32 mm).