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Questions & Answers
Based on a prior answer this binocular would be worthless for astronomy viewing? Expert Answer

It depends on the intended use. It's designed for astral viewing, but it will not get you the fine detail a higher powered telescope would.

by Jonathan D., Gear Expert, May 24, 2019
Could this be used effectively to view terrestrial objectives in very high light at 8,000m distance? Expert Answer

It will completely depend on the size of the object, but I highly doubt it would provide a clear or quality image. I do not think it would be appropriate for those types of distances as that is almost 5 miles.

by Armando R., Gear Expert, June 28, 2018
Customer Reviews
Helpful Positive Review ease of online selection, ease of ordering, promptness of delivery--all were great by Legacy Reviewer, Verified Owner, June 14, 2010
See the notes opposite. these are my comments. Cons: no cons, though i wish you had asked me to buy a tripod at the same time
6/11 found this helpful
Helpful Positive Review Great big binoculars! by Legacy Reviewer, Verified Owner, August 6, 2007
If you're looking for a really big pair of binoculars but can't afford high-dollar astro binocs, these are for you. Be sure to get a very solid tripod to use them, though, because they're too heavy and high-powered (magnifies any vibration or shaking...
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25/28 found this helpful
Helpful Positive Review Initial impressions by DogStar, Verified Owner, September 5, 2018
I bought this set-up to supplement hand held 10x50 binoculars for nighttime sky gazing without the hassle of setting up and aligning a telescope. Use of the tripod to stabilize the viewing image is a must because these binoculars are HEAVY. With a...
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11/11 found this helpful
Helpful Positive Review Skymaster Giant Binoculars by Legacy Reviewer, Verified Owner, July 31, 2007
delivered as promised- received as expected. Excellent shipping and customer service. Pros: good value - nice clear view Cons: heavy - need tripod - but your web site told me I would.
7/13 found this helpful
Helpful Positive Review Big ones by Legacy Reviewer, March 2, 2011
I bought mine used for a decent price. They weight almost 10 lbs soo you need a husky tripod. Would have preferred central focus instead of individual. Nice carrying case. Pros: good performance Cons: really heavy-need big tripod
10/11 found this helpful
Helpful Positive Review Really large astronomical binocular by Sebastian, June 11, 2013
This is a very huge pair of binocular. It is over 4kg inweight making it not portable, but view is excellent especially for deeps space object and moon. If you have the extra penny to spend, this is the perfect pair of binocular for your light bucket...
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8/10 found this helpful
Read All 9 Reviews
Color: Black Condition: New Package Type: Box Included Accessories: Carrying Case , Instruction Manual , Lens Cloth , Neck Strap , Objective Lens Cap , Rainguard , Tripod Adapter and Case

Code: CI-BI-71017

MPN: 71017

UPC: 050234710176

List: $675.95Save 30%
$474.99
Receive $9.50 OP Bucks

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Receive $9.84 OP Bucks

Product Info for Celestron SkyMaster 25x100mm Porro Prism Binoculars

Celestron 25x100 Skymaster Giant Astronomy Binoculars offer phenomenal performance for astronomical viewing. Not only it is one of the best Binoculars on the market, but Celestron 25x 100mm Skymaster Binocular #71017 is also a great choice for terrestrial use, especially over long distances. We guarantee the BEST PRICE as shipped price from an Authorized US Celestron Dealer and quick well-packaged shipping from our warehouse! Celestron 25 x 100 Sky Master Large Aperture Binoculars feature high quality BAK-4 prisms and have multi-coatings for enhanced contrast. Celestron 25x100mm Skymaster Giant Binocular are waterproof and feature structural reinforcement of the main body for maximum stability and secure optical alignment. In addition, Celestron Skymaster 25x 100mm Binoculars have a built-in super-rigid photo tripod adapter.image

Celestron has designed and engineered the larger SkyMaster Binocular models to meet the special demands of extended astronomical or terrestrial viewing sessions. Celestron SkyMaster Series 25x100mm Binoculars are built as true Binoculars to provide years of magnificent views of the world around you and the heavens above.

WARNING: California`s Proposition 65

Specifications for Celestron SkyMaster 25x100mm Porro Prism Binoculars:

Manufacturer: Celestron
Color: Black
Magnification: 25 x
Objective Lens Diameter: 100 mm
Prism System: Porro
Prism Material: BAK4
Eye Relief: 15 mm
Exit Pupil: 4 mm
Field of View, Linear: 157 ft at 1000 yds
Field of View, Angle: 3 degrees
Optical Coating: Multi-Coated
Binoculars Focus System: Center Focus
Twilight Factor: 50
Interpupillary Distance: 72 mm
Close Focus: 80 ft
Diopter Adjustment Range: +/-5 dpt
Water Resistance Level: Waterproof
Length: 10 in
Weight: 140 oz
Finish: Black
Condition: New
Package Type: Box
Included Accessories: Objective Lens Cap, Tripod Adapter and Case, Rainguard, Carrying Case, Instruction Manual, Lens Cloth, Neck Strap
Magnification Type: Fixed
Width: 5 in
Fogproof: No
Case: Yes
Nitrogen Filled: No
Height: 15 in
Tripod Adaptable: Yes
Brightness Index: 16
Armoring: Rubber Armored

Features of Celestron 25x100mm Sky Master Giant Binocular 71017:

  • Waterproof
  • Multi-coated optics
  • High quality BAK-4 prisms
  • Large aperture 100mm perfect for low light conditions and stargazing
  • Integrated tripod adapter rod
  • 70mm comes with a tripod adapter
  • Deluxe padded soft carrying case
  • Long eye relief ideal for eyeglass wearers
  • Diopter adjustment for fine focusing
  • No Fault Lifetime Warranty

Package Contents:

  • Celestron 25x100 Sky Master Giant Binoculars 71017

Celestron SkyMaster 25x100mm Porro Prism Binoculars Orderable Models

List of Orderable Models

Celestron SkyMaster 25x100mm Porro Prism Binoculars, Black, 71017 , MPN: 71017 , UPC: 050234710176 , Code: CI-BI-71017

Celestron SkyMaster 25x100mm Porro Prism Binoculars Unavailable & Discontinued Models

List of Unorderable Models

Celestron SkyMaster 25x100mm Porro Prism Binoculars, w/Alt-Azimuth Tripod, Black, 71017-KIT , MPN: 71017-KIT , Code: CI-BI-71017-KIT
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