Celestron Skymaster 25x70 Binocular

{Description}25x magnification porro prism binocular
Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions
Ultra sharp focus across the field of view
Multi-Coated optics for sharp, clear views
Suitable for terrestrial or astronomical viewing
Protective rubber covering for ultra-firm grip
Large center focus knob for easy focusing
Tripod adapter included
Long eye relief ideal for eyeglass wearers
Carrying case included for travel and safe storage
Limited Lifetime Warranty provides best protection and product support on the market

{Specification}
Magnification
25x
Objective Lens Diameter
70mm (2.75")
Angular Field of View
2.7°
Linear Field of View (@1000 yds) / @1000 m)
141 ft (47 m)
Exit Pupil
2.8mm (.11")
Eye Relief
13mm (.51")
Close Focus
75 ft (23 m)
Interpupillary Distance (max)
72mm (2.83")
Interpupillary Distance (min)
56mm (2.20")
Diopter Adjustment Range
-4 to +8
Twilight Factor
41.83
Relative Brightness
7.84
Lens Coatings
Multi-Coated
Prism Glass (Type)
BaK-4
Prism Coatings
N/A
Weight
52 oz (1474 g)
Environmental Protection
Water Resistant
Nitrogen Filled
No
Tripod Adaptable
Yes
Carrying Case
Nylon
Dimensions
220mm x 110mm x 280mm (8.7" x 4.3" x 11.0")
Included Accessories
Objective lens caps| Tripod adapter| Rainguard| Carrying case| Neck strap| Lens cloth| Instruction manual