The Field Optics Research's Compact Binocular EyeShields are the universal binocular accessory that connects to the eye piece of your compact binocular optics. The EyeShields are designed to block peripheral light and distractions, reduces lens glare, and protect your eyes from the elements while allowing you to achieve improved clarity and focus. These Compact Binocular EyeShields are optimized to fit most Celestron, Kowa, Nikon, Zeiss, Brunton, Bushnell, Leica, Vortex, and Swarovski compact binoculars.