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Celestron 71008 25x70 Skymaster Porro Prism Binoculars

4.3 out of 5 stars 651 customer reviews
| 45 answered questions

RRP: £90.00
Price: £79.00 & FREE Delivery in the UK. Details
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SkyMaster 25 x 70 Porro Prism
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  • 25x magnification porro prism binocular with ultra sharp focus across the field of view
  • 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 terrestrial and astronomical views
  • Protective rubber easy-grip covering and included carrying case for safe transportation
£79.00 & FREE Delivery in the UK. Details In stock. Dispatched from and sold by Amazon.

Frequently Bought Together

  • Celestron 71008 25x70 Skymaster Porro Prism Binoculars
  • +
  • Opticron Binocular Tripod Mount for Binoculars +50mm OG
  • +
  • Hama Star 63 Tripod with Carry Case
Total price: £108.98
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Style Name: SkyMaster 25 x 70 Porro Prism

Product details

Style Name: SkyMaster 25 x 70 Porro Prism
  • Product Dimensions: 27.9 x 35.6 x 15.2 cm ; 2.7 Kg
  • Boxed-product Weight: 2.2 Kg
  • Item model number: SkyMaster 25x70
  • ASIN: B003AM87Q4
  • Date first available at Amazon.co.uk: 3 Aug. 2010
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (651 customer reviews)
  • Amazon Bestsellers Rank: 3,655 in Electronics (See Top 100 in Electronics)

Product Description

Style Name:SkyMaster 25 x 70 Porro Prism

Product Description

In some situations it is simply impossible to view and appreciate the finer details of objects with the naked eye alone. For example, when viewing a bird in flight or taking in a view when travelling, so much can be missed due to distance limiting what you can see.

From nature to NASCAR®, Skymaster Binoculars, brought to you by Hama, will handle your most demanding viewing challenges. The economically-priced Skymaster binoculars 25x70 with 25x magnification porro prism, are a robust and stylish set of binoculars that can be brought in a number of different sizes.

The Skymaster Binoculars feature giant 100 mm objective lens which offer maximum image brightness in low-light and long-range conditions and deduce an ultra sharp focus across the field you are viewing. The large center focus knob provides easy focusing and the multi-coated optics provide for sharp, clear views to the extent that these binoculars can be used for terrestrial or astronomical viewing. Rubber covering provides comfort, protection and a secure grip, whilst the integrated tripod adapter rod for ultra-stable tripod mounting.

Most importantly, the Skymaster Binoculars from Hama, feature high quality BaK 4 optics to provide you and your family bright, clear, and sharp views during a variety of outdoor activities like sporting events, bird watching, wildlife viewing, hiking, scenic nature walks, concerts and live performances just to name a few. The Skymaster Binoculars, brought to you by Hama, is an ideal choice for an affordable high quality binocular that will provide years of enjoyable use.

Box Contains

  • 1 x Celestron Skymaster 25x70
  • 1 x Deluxe Padded Carry Case


  • From the Manufacturer


    Customer Questions & Answers

    Customer Reviews

    Top Customer Reviews

    Style Name: SkyMaster 15 x 70 Porro Prism
    This posting begins with a discussion of some core information about binoculars for astronomical viewing that should help potential purchasers make a more informed purchase decision.

    If you have other viewing objectives than astronomical objects, or are already familiar with binocular specifications, you may want to stop here or just read the latter part of this review before going on to other postings; otherwise, read-on.

    There are two main styles of "true" binoculars. Here, binoculars that do not use prisms such as opera glasses, are not discussed further. Most binoculars use one of two type prisms, either roof prisms or Porro prisms. Roof prisms are more modern and have a straight through appearance, i.e., the binocular cylinders form straight tubes. Porro prism binoculars (named after Ignazio Porro) have a tell-tale right angle bend. These usually are manufactured with two prism on each side of the binoculars, i.e., double Porro prisms. Although considerably larger in size, because of their improved optical qualities Porro prism binoculars, such as the model reviewed here, are preferred over roof prism binoculars for astronomical viewing.

    Another important aspect of binoculars is the size of their exit pupil. Younger folks have pupils that can open, dilate, to a maximum size of slightly over 7mm. However, as one gets older the size of this window into the eye reduces. Over the age of thirty most folks have a reduction in their dark adapted pupil size of approximately 1mm every 20 years. The exit pupils for a pair of binoculars should ideally approximate the entry pupil of the observer's eye. Although some studies suggest an even smaller exit pupil size, see below. The size of a binoculars' exit pupil is found by dividing aperture by magnification.
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    27 Comments 442 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Style Name: SkyMaster 25 x 70 Porro Prism Verified Purchase
    Let me start by saying I did not have a clue about stargazing/astronomy until Christmas 2014 when I was bought a pair of 10x50 bins (tech term for binoculars, apparently) and a stargazing book to begin my foray into amateur astronomy. If, like me, you could stare at the night sky for hours and just bask in the wonder that is our solar system, then I could not recommend a better way to start it.

    Six months later and I’ve decided to upgrade to these 25x70 beasts. I was tempted to go for the 25x100 but didn’t want to make the mistake of trying to run before I could walk. I ordered them Friday afternoon and took delivery the following morning. I could barely contain my excitement in opening the box!

    The packaging itself is basic, but not too complicated. I had the binoculars, the carry bag (with strap), a wipe-cloth, neck strap, standard instructions and – the most important – a tripod mount. I haven’t bought a tripod yet but may well be making a purchase this week, as these bins aren’t exactly heavy but it’s difficult to maintain a steady focus on, say, the Moon (which by the way looks BEAUTIFUL through these).

    So far – and I’m only two days into using them – I’m very, very impressed. Thankfully it was a clear night last night and where I live (Wales, UK) I was able to see the Moon, Venus, Jupiter and its moons, and Saturn! Although the latter was a mere blemish in my lens, I could clearly make out its rings (the planet is almost an oval-shape) and I couldn’t believe my eyes.

    The build quality is superb. They feel heavy, but they’re not that heavy if you know what I mean. Of course, buying a tripod will both give you amazing images and give your arms a rest, but for now I’m happy using my garden table as a stabiliser for my elbows.
    Read more ›
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    Style Name: SkyMaster 25 x 70 Porro Prism Verified Purchase
    I've been an amateur astronomer for a while now and have a couple of telescopes both of which are pretty bulky. I also had a pair of 10x50 bins which are highly portable of course but with only 10 magnification and not a lot of light gathering ability, they were never going to show much detail. I bought these as a grab and go for when you just want to have a quick look at Jupiter and its moons or a scan of the lunar surface. At the price, I was only expecting something that was a bit better than my 10x50s but wow, the viewing through these is terrific and I hadn't quite appreciated just how much better they would be. The moon is a joy to view through these, they are very easy to focus and have an excellent quality feel to them. The tripod mount adapter is pretty wobbly to be honest but that's not the real purpose of these. If you're in the mood to set up tripods then get an astroscope but these are small and light enough to hold without any problems.

    I really am very very pleased. Another brilliant low cost item from Celestron.
    1 Comment 168 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Style Name: SkyMaster 20 x 80 Porro Prism
    My wife and I bought a pair of these recently and we are well impressed. These 20x80 binoculars are great! Faint objects are really prominent due to the immense light gathering power of the 80mm lenses.

    The 20x magnification meant that we recently got splendid views of the moon and Jupiter with them. It was quite amazing that Jupiter's shape and also it's four brightest moons were easily visible. And I have to add that the sky wasn't all that clear at the time either (it was a little bit hazy) so we're really keen to see what they'll do when we start getting proper winter clear skies!

    The instrument feels well built and the optics are well aligned.

    Be aware though that these binoculars are heavy so you'll need some sort of tripod in order to keep them steady.

    We went for 20x80 binoculars after reading about different types for astronomy in "Stargazing with binoculars" (published by Firefly), which we'd bought from Amazon some weeks before. We decided to go for something more powerful than the usual 10x50 binoculars as we wanted to get better views of dimmer objects, the moon and the planets. If you don't want to pay this sort of money though, note that Celestron also do cheaper (and lighter) 15x70 and 25x70 models for around half the price. However, if you want even more light gathering power, there is also a 25x100 model but that is around twice the price of these 20x80 binoculars.

    Overall, these binoculars have performed well and we don't regret the purchase.
    Comment 71 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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