20x100 Astro-Vue Binocular with Built-In Nebular FilterIntroducing Apogee's Astro-Vue BinocularsThese NEW Apogee Binoculars come with Built-In Dark-Sky Nebula Filters that Flip-In or Out with the flick of your thumb. All Astro-Vue Binoculars come with Multi-Coated Optics - BAK 4 Prisms -H.D. Binocular Tripod Adapters & Carrying Case
