Celestron Binocular Nature 10x42 DX

{Description}
Designed with the outdoor enthusiast in mind, waterproof and fully rubber armored
Phase coated BaK-4 prisms for increased contrast and resolution
Fully multi-coated optics provide brighter images by increasing light transmission through the entire optical path
Close focus of 6.5 feet for viewing nearby subjects
Sturdy, twist-up eyecups with multiple stops. Eyeglass friendly with 17.5 mm of eye relief.

{Specification}
Magnification
10x
Objective Lens Diameter
42 mm (1.65")
Angular Field of View
5.8°
Linear Field of View (@1000 yds) / @1000 m)
304 ft (101 m)
Exit Pupil
4.2 mm (.16")
Eye Relief
14 mm (.55")
Close Focus
6.5 ft (2.20 m)
Interpupillary Distance (max)
74 mm (2.91")
Interpupillary Distance (min)
56 mm (2.20")
Diopter Adjustment Range
± 3
Twilight Factor
20.49
Relative Brightness
17.64
Lens Coatings
Fully Multi-Coated
Prism Glass (Type)
Bak-4
Prism Coatings
Phase Coated
Weight
22.2 oz (629 g)
Environmental Protection
Waterproof
Nitrogen Filled
Yes
Tripod Adaptable
Yes
Carrying Case
Padded nylon canvas
Dimensions
135 mm x 126 mm x 52 mm (5.3" x 4.9" x 2")
Included Accessories
Neck strap| Objective lens caps| Rainguard| Carrying case| Lens cloth| Instruction manual