Galileo DS-821 8x21mm Compact Binocular features 21mm objective lenses and brings images 8 times closer to you than the naked eye. The Galileo DS821 Binocular features a compact design making them easily and comfortably stored just about anywhere, even a pocket. The Galileo Compact Binocular features a roof prism binocular design, making it much more compact than other binocular designs. Additionally, Galileo has built the DS-821 with fully coated optics for improved glare reduction, comfort grip rubber armoring and full range center focus. Included with the Galileo DS-821 is a carrying case, neck strap, lens cloth and protective eye caps. Designed for years of use, all Galileo binoculars come with a limited lifetime warranty which covers the binoculars against defects in material or workmanship for the life of the purchaser.
The Galileo DS-821 Compact Binocular features fully coated optics for improved glare reduction, a 2.6mm Exit Pupil and exhibits a minimum focusing distance of 5". Linear Field of View is 383" at 1000yds and Angular Field of View is 7.3°. The Relative Brightness Index (RBI) is 6.89 and the Twilight Factor is 12.96. Interpupillary Distance (IPD) ranges from 59mm to 73mm and Eye Relief is approximately 12mm - 14mm.