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Celestron SkyMaster 25x70 Astronomy Binoculars

SKU: CLS-71008

Model No: 71008 - The Celestron Skymaster 25x70, when paired with a sturdy tripod, becomes a fantastic and reliable night sky viewing instrument. Also a phenomenal set for long distance terrestrial viewing. Features Bak-4 prisms and multi-coated optics for enhanced contrast. 

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Weather the bright or dark side of the moon, these 70mm bins of the Celestron Skymaster 25x70 Astronomy Binoculars offer maximum brightness to show you clear detail and amazing contrast.

Celestron’s SkyMaster Series large aperture binoculars are 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.

Overview Features:

  • 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

Objective Lens Diameter (mm) 70 mm
Magnification (x) 25x
Apparent Field of View 2.7°
Exit Pupil (mm) 2.8 mm
Eye Relief (mm) 13 mm
Close Focus 75 ft (23 m)
IPD Max 72 mm
IPD Min 56 mm
Optical Coatings Multi-Coated
Weight (oz) 52 oz (1474 g)
Prism Glass (Type) BaK-4
Twilight Factor 41.83
Relative Brightness 7.84
Weatherproof Water Resistant
Tripod Adaptable Yes
Video Tour: 

Product Code: 71008

Additional Information

Additional Information

Magnification 12 times and above
Aperture 70mm
Prism Type Porro
Prism Glass Quality BaK-4
Waterproof No
Fogproof No
Close Focus No
Field of View 2.7°
Eye Relief 13 mm
Exit Pupil No
Twilight Factor No
Tripod Adaptable No
Locking Diopter No
Dimensions No
Binoculars Weight 1474 g
Warranty Information 2 Years
Shipping Weight No
Additional Specifications of Product No


Customer Reviews

6.5/10 allows a brighter image of the night sky for observers Review by Emrah
Overall Score
Overall Score
I can only compare this to two other binoculars I've used 10x25 (compact) and 8x40. night sky wise these outperform the previous two mainly due to increased aperture which brightens faint star clusters to a viewable target which smaller size lenses failed to do.
Orion nebula appears as two stars surrounded by a faint mist. Jupiter appears as a bright star/orb of aboration surrounded by four pin point stars (4 major moons)
Venus is very aborated not allowing any detailed views.
Mars looks the same as with the naked eye (slightly brighter naturally)
Pleiades become clearer/sharper.
(Saturn was non observable at this time)
The moon is bright and craters are pronounced along the crescent shadow line.
I have steady hands which make it ok to scan the sky with, propping the elbows on a car top, fence, mailbox increases stability of image same with resting the binoculars on a fence top for more detailed viewing. A tripod was not necessary for ME. I felt using a tripod takes away the point of having binoculars as a very portable/versatile instrument.
Daytime viewing is fine, I could read carpark terms of entry from approx 80-100m away when resting the binoculars on a low wall. Overhead planes can be identified by there tail logos.
Horizontal collimation was off limiting the FOV to approx 85% on this particular model.
Overall a decent instrument for portable star gazing mainly due to its 70mm lenses.
(All viewing was done in light polluted suburbia) (Posted on 26/11/2016)
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