Celestron Binocular Nature 10x50 DX ED

{Description}
Extra-Low Dispersion (ED) objective lenses provide high resolution, high contrast images virtually free of optical defects like chromatic aberration (color fringing)
Fully multi-coated optics deliver maximum light transmission through the optical path
Phase coated BaK-4 prisms produce vivid, true-to-life colors
Eyeglass friendly - generous eye relief and sturdy, twist-up eyecups with multiple stops
8.2' close focus
Tripod adaptable

{Specification}
Magnification
10x
Objective Lens Diameter
50mm (1.97")
Angular Field of View
5.9°
Linear Field of View (@1000 yds) / @1000 m)
309 ft (103 m)
Exit Pupil
5mm (.2")
Eye Relief
17.8mm (.7")
Close Focus
8.2 ft (2.5 m)
Interpupillary Distance (max)
74mm (2.91")
Interpupillary Distance (min)
56mm (2.2")
Diopter Adjustment Range
± 3
Twilight Factor
22.36
Relative Brightness
25
Lens Coatings
Fully Multi-Coated
Prism Glass (Type)
Bak-4
Prism Coatings
Phase Coated
Weight
28.4 oz (806 g)
Environmental Protection
Waterproof
Nitrogen Filled
Yes
Tripod Adaptable
Yes
Carrying Case
Padded nylon canvas
Dimensions
163mm x 135mm x 61mm (6.4" x 5.3" x 2.4")
Included Accessories
Neck strap| Objective lens caps| Rainguard| Carrying case| Lens cloth| Instruction manual