10x26 Waterproof and Fogproof Naturescape Compact Porro Prism Binoculars, High Quality Bak-4 Prism Glass, Fully Multi-Coated, Twist-Up Locking Eyepieces, Extreme Close Focus of 9.8 ft, from the inside out, this binocular is built to perform under all weather conditions. Focusing is smooth and precise thanks to a large center focus knob and separate diopter adjustment. Whether you!|re on a long trek into the back country or simply relaxing and observing nature from your backyard, you!|ll need a binocular that!|s compact, lightweight, comfortable and powerful. The Naturescape Compact Mini Porro Prism binocular have all this and more. From the inside out, this binocular is built to perform under all weather conditions. 100% waterproof and fogproof, they feature BaK-4 prisms and fully multi-coated optics that deliver crisp high definition images. Focusing is smooth and precise thanks to a large center focus knob and separate diopter adjustment. Twist-up locking eyepieces provide the convenience of viewingth or without eyeglasses. The optical system and chassis are encased and protected by a rubber armor covering that keeps dust and moisture out and provides a comfortable secure grip. Keep your Naturescape binoculars protected in the included deluxe carrying case. Backed by BARSKA!|s Limited Lifetime warranty.