Alpens Apex 10x42 binocular defines the best in optics quality, featuring superb workmanship and the latest optics technology. Including fully multi-coated BAK4 glass, PXA™ phase coating and HR™ metallic coating. Apex binoculars allow clearer viewing in bright and dim light and in the wettest conditions. Crisp, sharp optical clarity from the center of view to the outer edges, gives users exceptional quality at an affordable price. Ergonomic styling and lightweight construction allows tireless use and comfort. Add to this the security and peace of mind of Alpen"s no fault no problem lifetime warranty.