Sky Master Series 25 X 100 Binocular
The SkyMaster Series of large aperture binoculars from Celestron offer phenomenal performance for astronomical viewing. They are also a great choice for terrestrial use, especially over long distances. All models feature high quality BAK-4 prisms and have multi-coatings for enhanced contrast. The 80 and 100mm models are waterproof and feature structural reinforcement of the main body for maximum stability and secure optical alignment–in addition, they have a built-in super-rigid photo tripod adapter.
Features
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Waterproof (80 and 100 mm)
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Multi-coated optics
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High quality BAK-4 prisms
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Large aperture perfect for low light conditions and stargazing
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Integrated tripod adapter rod (80mm & 100mm)
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70mm comes with a tripod adapter
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Deluxe padded soft carrying case (80mm & 100mm)
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Long eye relief ideal for eyeglass wearers
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Diopter adjustment for fine focusing
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Limited Lifetime Warranty
| Model |
71009 |
71016 |
71017 |
| Size |
15 x 70 |
20 x 80 |
25 x 100 |
| Design |
Porro |
Porro |
Porro |
| Prisms |
BAK-4 |
BAK-4 |
BAK-4 |
| Coating |
Multi-Coated |
Multi-Coated |
Multi-Coated |
| Weatherproof |
Water Resistant |
Waterproof |
Waterproof |
Angular Field of View
(FOV°) |
4.4 |
3.3 |
3 |
| Linear FOV (ft @ 1000 yd) |
231 |
173 |
157 |
| Exit Pupil (mm) |
4.7 |
4 |
4 |
| Eye Relief (mm) |
18 |
15 |
15 |
| Near Focus (ft) |
43 |
51 |
80 |
| Weight (oz) |
48 |
82 |
157 |