Celestron Skymaster 15x70mm Porro Binoculars

• 15x 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

Description

Celestron’s SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use - especially over long distances. Each SkyMaster model features high quality BaK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions.

Specifications

Magnification:	15x
Objective Lens Diameter:	70mm (2.75")
Focal Length of Objective Lens:	279.63mm (11")
Angular Field of View:	4.4°
Linear Field of View (@1000 yds) / @1000 m):	231 ft (77 m)
Exit Pupil:	4.7mm (.18")
Eye Relief:	18mm (.71")
Close Focus:	43 ft (13 m)
Interpupillary Distance (max):	72mm (2.83")
Interpupillary Distance (min):	56mm (2.20")
Diopter Adjustment Range:	-4 to +8
Twilight Factor:	32.4
Relative Brightness:	22.09
Limiting Stellar Magnitude:	Ideal: 11.73 | Moderate: 10.73 | Poor: 9.73
Lens Coatings:	Multi-Coated
Prism Glass (Type):	BaK-4
Prism Coatings:	N/A
Weight:	48 oz (1361 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 Items:	Tripod Adapter | Objective Lens Caps | Rainguard | Neck Strap | Lens Cloth | Instruction Manual
Solar Warning	Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.

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