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CELESTRON SkyMaster 25x70 Astro BINOCULARS

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

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.

The 25x70mm version is one of the most popular models in the series. It offers serious large aperture light gathering in an affordable and reasonably lightweight configuration

Specification

General

Magnification:

25x

Objective Lens Diameter:

70mm (2.75")

Focal Length of Objective Lens:

279.63mm (11")

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

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:

52 oz (1474 g)

Environmental Protection:

Water Resistant

Nitrogen Filled:

Tripod Adaptable:

Yes

Carrying Case:

Nylon

Dimensions:

220mm x 110mm x 280mm (8.7" x 4.3" x 11.0")

Included Items:

Objective lens caps

Tripod adapter

Rainguard

Carrying case

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