Made with high-quality materials and advanced technology, these 10x50 HD binoculars provide crystal clear images and a wide field of view thanks to the 23.5MM eyepiece diameter and BAK4 prism. The lenses are coated with FMC for exceptional clarity and the focus can be easily adjusted with the DETACHED focus type. Plus, with an IPX7 water resistance level, you can confidently use them in any weather condition. Trust in the excellence of LUXUN.