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The DS-821 all purpose binoculars feature 21mm objective lenses and brings images 8-times closer to you, making them the ideal birding and hunting binoculars. The camping binoculars feature a compact design making them easily and comfortably stored just about any where, even a pocket! The prisms are positioned in a roof prism design making them much more compact than other binocular designs.
Additionally, the DS-821 features fully coated optics for improved glare reduction, comfort grip rubber armoring, and full range center focus. Included with the DS-821 are a carrying case, neck strap, lens cloth and protective eye caps. Designed for years of use, these binoculars come with a limited lifetime warranty which covers the binoculars against defects in material or workmanship for the life of the purchaser.
Other features include fully coated optics for improved glare reduction, a 2.6mm Exit Pupil, and a minimum focusing distance of 5-feet. Linear Field of View is 383-feet at 1000-yards, and Angular Field of View is 7.3-degrees. 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. These binoculars are made form high quality metal, plastic and glass.
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