Celestron SkyMaster 25x100 Astro (71017)
$519.95
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Celestron SkyMaster 25x100 Astro (71017)
$519.95
25x Magnification
Powerful long range target zoom
100mm Aperture
Maximum light gathering power
BaK-4 Prisms
Enhanced contrast and visual clarity
Tripod Adapter
Integrated rigid mounting rod
Water Resistant
Built for rugged outdoor use
Multi-Coated Optics
Superior light transmission efficiency
Stargazing Powerhouse OpticsUnmatched performance for terrestrial observation
The Celestron SkyMaster 25x100mm Porro Prism Binoculars deliver phenomenal optical performance for astronomical viewing and extreme long-range terrestrial observation. Featuring massive 100mm objective lenses and premium BaK-4 prisms, these giant binoculars gather immense light to reveal distant celestial details with breathtaking contrast. Designed with a heavy-duty integrated tripod adapter, the Celestron SkyMaster 25x100mm is the ultimate choice for passionate stargazers and outdoor observers.
Celestial Observation DominanceEngineered for maximum stability and perfection
Engineered to meet the demanding requirements of extended astronomical and terrestrial observation sessions, the Celestron SkyMaster 25x100mm Porro Prism Binoculars feature multi-coated optics that maximize light throughput for clear, high-contrast imagery even in low-light environments. Structural reinforcement of the main body ensures maximum stability and precise optical alignment during long field sessions. The built-in rigid photo tripod adapter rod easily secures these heavy-duty giant binoculars to standard photo tripods, providing hands-free viewing without strain. Complete with water-resistant construction, long eye relief for eyeglass wearers, and a deluxe padded soft carrying case, the Celestron SkyMaster 25x100mm binoculars offer incredible durability and optical brilliance for serious night sky exploration.
Technical SpecificationsDetailed optical specifications and measurements
Magnification
25x
Objective Lens Diameter
100mm (3.94") (eye)
Angular Field of View
3°
Linear Field of View
156 ft @ 1000 yds / 52 m @ 1000 m
Exit Pupil
4mm (.15") (circle)
Eye Relief
15mm (.59") (glasses)
Close Focus
80 ft (24.4 m) (target)
Interpupillary Distance
56mm - 72mm (2.20" - 2.83") (sliders)
Diopter Adjustment Range
± 5
Twilight Factor
50
Relative Brightness
16
Lens Coatings
Multi-Coated
Prism Glass
BaK-4 Porro Prism
Environmental Protection
Water Resistant
Nitrogen Filled
No
Tripod Adaptable
Yes (built-in adapter rod) (tripod)
Dimensions
10.1" x 5.1" x 15.28" / 256mm x 130mm x 388mm
Weight
140 oz (3969 g) (scale)
Key Product FeaturesPremium optical performance and construction
ApertureMassive 100mm objective lenses ideal for low light and stargazing
Prism QualityHigh quality BaK-4 Porro prisms enhance contrast and image depth
Coated OpticsMulti-coated optical surfaces for optimal brightness
Integrated MountBuilt-in rigid tripod adapter rod for stable mounting
Eyeglass Friendly15mm long eye relief comfortable for eyeglass wearers
Weather ResistantWater-resistant chassis structural design for durability
Fine AdjustmentDiopter adjustment range for precise focal balance
Accessories IncludedSoft padded carrying case, objective caps, rainguard, and neck strap
Frequently Asked QuestionsEverything you need to know
Do I need a tripod to use the Celestron SkyMaster 25x100mm Porro Prism Binoculars?
Yes, due to their powerful 25x magnification and heavy 140 oz frame, using a sturdy tripod with the Celestron SkyMaster 25x100mm Porro Prism Binoculars is strongly recommended for stable, hands-free viewing.
Are the Celestron SkyMaster 25x100mm Porro Prism Binoculars suitable for stargazing and astronomy?
Absolutely. The massive 100mm aperture objective lenses and high-grade BaK-4 prisms of the Celestron SkyMaster 25x100mm Porro Prism Binoculars allow maximum light transmission, making them ideal for observing the Moon, planets, star clusters, and deep-sky objects.
Can I wear glasses while using the Celestron SkyMaster 25x100mm Porro Prism Binoculars?
Yes, the Celestron SkyMaster 25x100mm Porro Prism Binoculars feature 15mm of eye relief, allowing eyeglass wearers to comfortably view the full field of view without removing their spectacles.
What accessories come included with the Celestron SkyMaster 25x100mm Porro Prism Binoculars?
The Celestron SkyMaster 25x100mm Porro Prism Binoculars package includes objective lens caps, a rainguard, a deluxe padded soft carrying case, a neck strap, a lens cloth, an instruction manual, and an integrated tripod adapter.