The Galileo DS-821 features 21mm objective lenses and brings images 8 times closer to you than the naked eye. The DS-821 features 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 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 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.
The Galileo DS-821 8x21mm Compact Binocular Features and Benefits:
- Compact Design
- Comfort Grip Rubber Armoring
- Full Range Center Focus
- Fold Down Rubber Eye Guards
- Carrying Case
- Neck Strap
- Lens Cloth
- Limited Lifetime Warranty
The Galileo DS-821 8x21mm Compact Binocular Specifications:
- 8x Power
- 21mm Objective Lenses
- Fully Coated Optics
- Linear Field of View: 383′ @ 1000yds
- Angular Field of View: 7.3°
- Minimum Focus Distance: 5′
- Exit Pupil Size: 2.6mm
- Eye Relief: approx. 12mm - 14mm
- Interpupillary Distance: 59mm to 73mm
- Relative Brightness Index: 6.89
- Twilight Factor: 12.96
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