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Celestron Skymaster 20 X 80 Binoculars

4.3 out of 5 stars 651 customer reviews
| 47 answered questions

RRP: £144.00
Price: £99.00 & FREE Delivery in the UK. Details
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SkyMaster 20 x 80 Porro Prism
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  • 20x magnification porro prism binocular
  • Giant 80 mm objective lens, great for terrestrial or astronomical viewing
  • Ultra sharp focus across the field of view
  • Individual Eyepiece Focus to ensure optimal focus position
  • Multi-Coated optics for sharp, clear views
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£99.00 & FREE Delivery in the UK. Details In stock. Dispatched from and sold by Amazon.

Frequently Bought Together

  • Celestron Skymaster 20 X 80 Binoculars
  • +
  • Hama Star 63 Tripod with Carry Case
  • +
  • Opticron Binocular Tripod Mount for Binoculars +50mm OG
Total price: £128.98
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Style Name: SkyMaster 20 x 80 Porro Prism

Product details

Style Name: SkyMaster 20 x 80 Porro Prism
  • Product Dimensions: 30.5 x 17.8 x 40.6 cm ; 2.7 Kg
  • Boxed-product Weight: 2.9 Kg
  • Item model number: 71018
  • ASIN: B0007UQNTU
  • Date first available at Amazon.co.uk: 2 Jan. 2007
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (651 customer reviews)
  • Amazon Bestsellers Rank: 3,701 in Electronics (See Top 100 in Electronics)

Product Description

Style Name:SkyMaster 20 x 80 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, with BaK-4 porro prisms and multi-coated optics, are a robust and optically sound set of binoculars that can be bought in a number of different sizes. , ,The SkyMaster Binoculars feature very large objective lenses which offer maximum image brightness in low-light and long-range conditions and produce an ultra sharp focus across the field you are viewing. The large centre 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 makes it easy to mount them to a tripod for stable viewing. , ,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. SkyMaster Binoculars, brought to you by Hama, are an ideal choice for an affordable high quality binocular that will provide years of enjoyable use. , ,Prisms: BAK-4 ,Angular Field of View: 3.7¡ ,Exit Pupil: 4 mm ,Eye Relief: 18 mm ,Near Focus (Binoculars): 32.92 m ,Optical Coatings: Multi-Coated ,Weather Proof: Yes ,Tripod Adaptable: Built-In ,Weight: 2126g

Manufacturer's Description

Celestron's SkyMaster Series of large aperture binoculars are a 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.

For maximum stability and secure optical alignment, the 80 mm and 100 mm SkyMaster models feature enhanced structural reinforcement to the main binocular body. As an additional convenience, the 80 mm and 100 mm SkyMaster models also include an integral super rigid photo tripod adapter. The SkyMaster Series binoculars are built to provide years of magnificent views of the world around you and the heavens above.

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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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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.
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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.
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Style Name: SkyMaster 15 x 70 Porro Prism Verified Purchase
Having read conflicting reviews, I cautiously purchased these binos, they arrived and... Brilliant!

Very robust, good quality and well designed, they look good too. I think the price is very good too. Crisp, clear image and no problems with collimation as reported by a few reviews. Easy to perform the initial set-up and the tripod adapter works really well.

Not as heavy as I was expecting, although I brought a monopod in the end which gives me the perfect mix of stability and manouverability with less weight.

What have I seen so far: Lots of clouds (I live in London), The Full Moon with such clear detail of craters and blemishes and all and Jupiter and 4 of its Moons (amazing to see sometinh so far away as almost pea-sized).
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Style Name: SkyMaster 20 x 80 Porro Prism