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Celestron – SkyMaster 25X100 Astro Binoculars – Astronomy Binoculars with Deluxe Carrying Case – Powerful Binoculars – Ultra Sharp Focus

4.2 out of 5 stars 367 ratings

Price: $419.95 & FREE Returns
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SkyMaster 25x100 Binocular
Binoculars
Model Name 71017
Brand Celestron
Water Resistance Level Water Resistant
Eye Relief 15 Millimeters
Prism Description Porro Prism

About this item

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  • Powerful 25x magnification: With our enhanced SkyMaster 25x100, you get massive 100mm objective lenses, Celestron’s largest aperture available in a binocular. This is ideal for those who love astronomy binoculars.
  • Includes tripod adapter: As an additional convenience to your sky-watching activities, our 100mm SkyMaster powerful binoculars include an integrated photo tripod adapter for easy hands-free use and portability.
  • Bright, sharp viewing and bak-4 prisms: The SkyMaster is a favorite among those who view in dim conditions near dawn and dusk or for astronomy purposes. BaK-4 prisms deliver excellent light transmission for brighter and sharper image quality.Exit Pupil:0.16 inch
  • Durable and water-resistant: A rugged, armored body provides protection and a secure gripping surface, ensuring product durability for years to come. Its water-resistant exterior means you won’t have to worry about getting caught in unexpected rainy weather.
  • Unbeatable warranty and customer support: Buy with confidence from the world’s #1 telescope brand and a leading binocular manufacturer, based in California since 1960. You’ll also receive a Limited Lifetime warranty and unlimited access to technical support from our team of US-based experts.
  • Protective rubber covering for ultra-firm grip

Unlimited data on a limited budget Unlimited data on a limited budget


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  • Celestron – SkyMaster 25X100 Astro Binoculars – Astronomy Binoculars with Deluxe Carrying Case – Powerful Binoculars – Ultra Sharp Focus
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From the manufacturer

SkyMaster 25x100mm Porro Binocular

SkyMaster 25x100mm Porro Binocular

Go giant! With the SkyMaster 25x100, you get massive 100mm objective lenses—Celestron’s largest aperture available in a binocular. Powerful 25x magnification brings distant subjects to you.

SkyMaster 25x100mm Porro Binocular

Better Viewing

Objective lens cap, rainguard, carrying case, neck strap, lens cloth, and instruction manual all included.

Better Viewing

Compare these Products

SkyMaster 25x100

SkyMaster 25x100

SkyMaster 20x80

SkyMaster 20x80

SkyMaster 25x70

SkyMaster 25x70

SkyMaster 15x70

SkyMaster 15x70

Magnification
25x 20x 25x 15x
Field of View (degrees)
3.0° 3.7° 2.7° 4.4°
Field of View (feet @ 1000yds)
156 195 141 231
Lens Coatings
Multi-coated Multi-coated Multi-coated Multi-coated
Prism Material
BaK4 BaK4 BaK4 BaK4
Diopter Range
± 5 -4 to +8 -4 to +8 -4 to +8
Close Focus Distance (feet
80 108 75 43
Eye Relief (mm)
15 18 13 18
Eyecup
Folding Folding Folding Folding
Environmental Protection
Water Resistant Water Resistant Water Resistant Water Resistant
Tripod Adaptable
Yes Yes Yes Yes

Compare with similar items


Celestron – SkyMaster 25X100 Astro Binoculars – Astronomy Binoculars with Deluxe Carrying Case – Powerful Binoculars – Ultra Sharp Focus
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SkyGenius 10 x 50 Powerful Binoculars for Adults Durable Full-Size Clear Binoculars for Bird Watching Travel Sightseeing Hunting Wildlife Watching Outdoor Sports Games and Concerts
Customer Rating 4.2 out of 5 stars (367) 4.4 out of 5 stars (2990) 4.5 out of 5 stars (1967) 4.3 out of 5 stars (161) 4.3 out of 5 stars (21) 4.5 out of 5 stars (5709)
Price $419.95 $99.00 $75.99 $259.95 $236.89 $44.99
Sold By Amazon.com Amazon.com Gosky Amazon.com Amazon.com SkyGenius Plus
Item Dimensions 15.27 x 10.00 x 5.10 inches 4.30 x 11.00 x 8.70 inches 5.75 x 2.10 x 4.96 inches 13.00 x 9.40 x 3.90 inches 9.00 x 3.50 x 11.50 inches 7.48 x 3.97 x 6.69 inches
Item Weight 8.75 lbs 3.25 lbs 1.54 lbs 5.00 lbs 4.00 lbs 1.80 lbs
Magnification Maximum 25 16 10x 20x 10
Objective Lens Diameter 100 millimeters 70 42 millimeters 80 millimeters 70 millimeters 50 millimeters

Product description

Style:SkyMaster 25x100 Binocular  |  Configuration:Binoculars

Celestron has designed and engineered the largest SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. Our large aperture powerful binoculars ensure high performance in all weather conditions and are ideal for astronomical viewing, or terrestrial use. Each SkyMaster model features high-quality BaK-4 prisms and multi-coated optics for enhanced contrast, with bright, sharp image quality—even in dim conditions. A practical integrated tripod adapter rod allows you to enjoy extended hands-free viewing sessions by simply mounting your SkyMaster powerful binoculars on any sturdy photographic tripod. Our SkyMaster model features soft, rubber eyecups that block stray light and are comfortable to use. Eyeglass wearers can fold down the eyecups to enjoy a better viewing experience. For maximum stability and secure optical alignment, the 100mm SkyMaster model features enhanced structural reinforcement to the main binocular body. The purchase of our Celestron SkyMaster 25x100 powerful binoculars includes an objective lens cap, a rainguard, a deluxe carrying case, a neck strap, a lens cloth, and an instruction manual. Buy with confidence from the world’s #1 telescope brand and a leading binocular manufacturer, based in California since 1960. You’ll also receive a Limited Lifetime warranty and unlimited access to technical support from our team of US-based experts.


Product information

Style:SkyMaster 25x100 Binocular  |  Configuration:Binoculars

Technical Specification

User Guide [PDF ]
User Manual [PDF ]

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Important information

Legal Disclaimer

WARNING:� This product can expose you to chemicals including TDI, which are known to the state of California to cause cancer and birth defects or other reproductive harm.�� For more information go to:� www.P65Warnings.ca.gov


Customer Questions & Answers

Customer reviews

4.2 out of 5 stars
4.2 out of 5
367 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on May 12, 2016
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
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153 people found this helpful
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Reviewed in the United States on July 13, 2018
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
45 people found this helpful
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Reviewed in the United States on December 28, 2018
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
19 people found this helpful
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Reviewed in the United States on May 19, 2020
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
12 people found this helpful
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Reviewed in the United States on May 30, 2018
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
20 people found this helpful
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Reviewed in the United States on June 26, 2015
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
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59 people found this helpful
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Reviewed in the United States on April 13, 2017
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
11 people found this helpful
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Top reviews from other countries

Cumbrian Pensioner
2.0 out of 5 stars Very disappointing for price.
Reviewed in the United Kingdom on September 9, 2018
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
8 people found this helpful
Report abuse
andy_it_specialist
5.0 out of 5 stars Brilliant, insanely large, binoculars.
Reviewed in the United Kingdom on November 5, 2015
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
17 people found this helpful
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Avian
1.0 out of 5 stars Out of collimation
Reviewed in the United Kingdom on April 2, 2020
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
5 people found this helpful
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Kev Vere
5.0 out of 5 stars Get a heavy duty tripod
Reviewed in the United Kingdom on November 8, 2018
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
6 people found this helpful
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Jayne Morgan
4.0 out of 5 stars Great for viewing the moon
Reviewed in the United Kingdom on January 7, 2020
Style: SkyMaster 25x100 BinocularConfiguration: BinocularsVerified Purchase
One person found this helpful
Report abuse
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