Indeed one of the biggest advantages most binoculars have over higher-powered telescopes is their wider view that makes it much easier to scan the night sky and take in more stars at once. One aspect that I do really like is that as well as the standard folding cups, Celestron also provides you with a pair of 'side shield' eyecups. SkyMaster 15-35x70mm Zoom Porro Binoculars The colors of the stars are also much more obvious. This IPD range is pretty standard and therefore means they will accommodate most users, but as always may be something to check if you have particularly near or far set eyes. You can see why William Herschel referred to it as the Garnet Star. To get edge-to-edge sharpness in binoculars of this size you will have to pay a great deal more. The binoculars are provided with two types of rubber eyecup standard low-profile and winged, for excluding extraneous light. The new Lithium Phosphate (LiFePO4) battery chemistry has significant advantages over other battery chemistries, great for for those Astronomers on the go. Excellent for viewing larger deep-sky objects, Nitrogen-filled prevents internal misting. Anti-Reflection Coatings
Like the main chassis, they feel extremely robust, and I am certain will need a really large impact to knock the barrels out of alignment, which on an Astro binocular with long barrels like these is even more important than normal. Focus it until the same object is sharp and again note the setting. ED stands for "extra-low dispersion," which refers to the composition and optical properties of the glass used for the lenses. The neck strap is of a reasonably good standard at this price range and is pretty much what I would expect to find and whilst it gets the job done, there are a few areas where it could have been improved. Celestron SkyMaster Pro vs Celestron SkyMaster Binoculars
Hand-holding is possible, but many people will find that the weight of them becomes wearisome after a while, although they are considerably lighter than the much more expensive 16 x 70 Fujinon binoculars that we compared them with. With the hinges fully opened, these Celestron SkyMaster Pro 15x70 binoculars have a maximum IPD distance of 7.2cm and then by fully closing the hinges, a minimum of 5.6cm. It can be hard to know which bit of sky you are viewing. If you are unsure as to what these are and the difference between coated, multi-coated and fully multi-coated optics I highly recommend reading my guide to Anti-Reflection Lens Coatings. The binoculars have a generous eye relief of 17 mm, which means that you dont need to get your eyes very close to the eyepieces in order to see the full field of view. Celestron currently offers the SkyMaster Pro in either a very large 20x80 configuration or these 15x70 that I eventually settled on. First, you need to adjust the separation between the two halves of the binoculars, whats known as the interpupillary distance, until you can see both circles of light merging into one without any shadowing. 
https://www.celestron.com/products/skymaster-pro-15x70mm-porro-binoculars, //cdn.shopify.com/s/files/1/1935/4371/products/72030_SkyMaster_Pro_15x70_1.jpg?v=1534285993, //cdn.shopify.com/s/files/1/1935/4371/products/72030_SkyMaster_Pro_15x70_1_medium.jpg?v=1534285993, NexYZ 3-Axis Universal Smartphone Adapter, Hummingbird Fast Action Pan Tilt Head Tripod, Not compatible with #93648 Off-Axis Guider, not compatible with #93519 2" Mirror Diagonal (discontinued), Currently not compatible due to mechanical interferences, Large 70 mm objective lenses for excellent light gathering in low light conditions or for astronomical observing, Detachable RSR rail for attaching an optional red dot finderscope, Rubber armored for improved ergonomics and protection from every day use in the field, Waterproof and nitrogen purged for use in all weather conditions. Thankfully I was not to be disappointed. A trace of false color is inevitable in any instrument that uses conventional achromatic lenses rather than much more expensive apochromatic lenses. For more on this, please read my complete guide to the exit-pupil. To keep costs down, obviously, compromises have to be made, and whilst it is an improvement on the standard SkyMaster binoculars, the soft carry case is still no match for the hard cases that you get with high-end Astro binoculars like the Celestron Echelon 20x70 but here it is important to keep in mind the difference in price. For a relatively large and heavy instrument like this is important and will most certainly help prevent any damage that could occur during transit. Planetarium software package which provides easy-to-understand explanations and impressive visuals of all kinds. Download the Celestron PWI Telescope Control Software. A polycarbonate and aluminum housing makes SkyMaster Pro durable and lightweight. ED glass is specially formulated and contains rare-earth compounds that greatly reduce a visual defect called chromatic aberration. I do like the fact that the strap is Celestron branded and not generic like I often come across at this price level. Excellent Attention to Detail
Note here that the standard SkyMaster 15x70 binocular actually has a slightly longer 18mm of eye-relief. For more: Interpupillary Distance on Binoculars. However, Porro prisms also provide us with a number of other major benefits: Firstly, because the objective lenses are a little further apart, you get a better stereoscopic effect when compared to the closer set lenses on a roof prism binocular. Where did all those bright stars come from? Here there is no "right" option, it just depends on what your needs and preferences are. You might think that as you never observe in the rain you dont need waterproofing as with binoculars designed for bird-watching or yachting, for example, but bear in mind that the clearest nights are often dew-laden. Start by focusing on an object with your left eye, using the center focusing wheel, then shift your attention to your right eye. SkyMaster Pro binoculars are the ideal choice for amateur astronomers or anyone that observes at great distances. The padded section has a smooth underside, which is fine, but better ones have a grippy neoprene surface to prevent it from sliding about on your neck and shoulders. In fact, I am not 100% sure if this was the same as the color fringing that I see around objects during the day as it looks a little different. Take control of your telescope! And on a good night, the results can be breathtaking. You may think that you can use binoculars instantly, but you do need to set them up for your eyesight. Space is supported by its audience. SkyMaster DX 8x56mm Porro Binoculars. But in this case, the scale of dioptres is not marked so it is a matter of guessing which indentation on the black casing is right for you. When compared to a standard and much lower powered binocular, like an 8x42 for example, this would be considered narrow, but remember, 8x42's are generally designed for use at a much closer range and when observing fast-moving objects (like birds) at close range, a wide view is extremely important. Eyeglass wearers can see the entire field of view while looking through the eyepiece with their glasses on. This is where 15 x 70s come in. Just point the telescope at any three bright objectsstars, bright planets, or even the Moonand your telescope can orient itself with the night sky. Almost every amateur astronomer possesses binoculars, even if they have one of the best telescopes as well. Another feature that may not seem important at first is the fact that these binoculars are advertised as being waterproof. The level fuzziness or softening of the image right at the edge of the view was very minimal, which once again was very impressive. This beats the 4mm exit pupil you get on the 20x80 configuration used on the Celestron SkyMaster Pro 20x80 binoculars, even though they use larger 80mm lenses and thus, in theory, these will show a brighter image in very low light when the pupils in your eyes are fully dilated. The exact amount you will see will vary depending on the shape of your face and your glasses. Note that the 20x80 SkyMaster Pro has a permanent tripod mounting bar fixed to it and the RSR (Reflex Sight Ready) rail and thus does not require this adapter. Whilst not included, these are fairly inexpensive (under $15) and readily available on most optics sites and even Amazon. This adapter attaches in the usual way by unscrewing the dust cap located on the central pivot and then screwing in the adapter. But through these 15x70 Celestron binoculars, it was impressive to see just how many other stars there are all around it that can't be viewed without them. Interstellar probe: Has its time finally come? I also really like the attention to detail in that once you have unscrewed the dust cap from the binoculars, it can then be screwed into the end of the adapter. Higher-end, more expensive instruments like the excellent like the Celestron Echelon 20x70 binoculars come with a hard carry case, but obviously, these cost money and having one included would raise the overall cost, so I guess it is a compromise that you have to accept. Fully Multi-Coated Optics and BaK-4 Prisms. At the top of my wish list was to get a pair of Celestron SkyMaster Pro binoculars. These Celestron Skymaster binoculars are obviously not designed for close-range observation and as such, there is no surprise in discovering that their minimum close focus distance is a very long 49.2ft. 
Most Astro binoculars have Porro prisms inside them to rectify the image and not roof prisms as is the case with the majority of modern binoculars that are designed with terrestrial daytime uses in mind. One of the most important factors in a telescope is its transmissionthe percentage of light that reaches the focal plane. CPWI has an extensive object database, employs PointXP mount modeling, and more. 
By The Pro model is also waterproof and nitrogen-filled to avoid the risk of internal misting. Whilst not relevant to this review, for those who are interested, I used my trusty Vanguard ABEO Pro tripod and Pistol Grip ball head, both of which I highly recommend if this is something you are also looking for. On This Day In Space: July 26, 2005: Space shuttle Discovery returns to flight, 1st NASA capsule to fly into space lands at Long Island museum, Your monthly guide to stargazing & space science, Try a single issue or save on a subscription, Issues delivered straight to your door or device. However, when you use much larger objective lenses like those needed at nighttime to collect more light (70, 80 and especially 100mm), in order for you to be able to look through them, the eyepieces need to be positioned in such a way so as they are closer together than the distance between the centers of the large objective lenses. published 21 April 22. As the central focussing system adjusts both barrels at the same time, it is good to see that these Celestron binoculars also have a diopter adjuster. Below is a link that will take you to a page with online retailers in both the US and UK that sell Celestron 15x70 SkyMaster Pro Binoculars this page makes it easy to compare prices and then to buy from your preferred option: Contact Me | About Best Binoculars | Privacy | Sitemap | Copyright 2022 Best Binocular Reviews | Do You Want to Review Binoculars & Write for BBR? Whilst on the tighter end of the scale, the level of resistance to opening and closing the hinges is good and far preferred to binoculars that have looser hinges which results in you having to readjust your setting over and over again. as well as being portable enough for me to fairly easily take on camping trips, etc later on on the year. Observing the microscopic world has never been easier! control and Sky Viewer display makes selecting your target easy. I recommend purchasing a lens cleaning kit for the thorough cleaning of the glass. This is one area where we see a major difference between these two series as the standard SkyMaster's are only water-resistant and thus as they are not fully sealed are not filled with nitrogen. SkyMaster Pro 20x80mm Porro Binoculars Moving the full Moon out of the field of view and looking for unwanted glare showed that baffling of the optics, while not perfect, was good. Optically the star images were excellent at the center of the field of view, but the distortion was evident towards the edges, with the stars appearing as streaks. SkyMaster Pro 15x70mm Porro Binoculars Compared to lower-priced large aperture binoculars, SkyMaster Pro uses superior optics, coatings, internal parts and housing materials. Learn more about extra solar planets imagery, 3D Star rendering, observation planning, telescope control, multiple-panel printing, and much more. Image Stability
Visit our corporate site (opens in new tab). The built in tripod adapter of the SkyMaster Pro 15x70mm. The tripod adapter included with the SkyMaster Pro not only allows the binocular to be attached to a tripod for added stability during longer viewing sessions, but also includes a removable rail for attaching a red dot finderscope. Design
Here once again the particular 'Porro prism shape' helps as it ensures there is plenty of space in between the barrels for the tripod adapter. This Celestron SkyMaster Pro 15x70 binocular is a very well-built and sturdy instrument that looks and feels superior to most at this range. During the day and in good light these looked to be equal to that of my benchmark, but it was in low and especially very low light (just before sunset) that I noticed the improvement in terms of brightness that these showed over my benchmark, which to be honest did surprise me somewhat. When looking at the full moon, you can notice a slight blue/green halo around it, but once again the amount looked to be about the same on all my high powered binoculars 15x and 20x, whilst less on lower-powered instruments like an 8x42 and a 7x50 which is to be expected. The 70mm objective lenses have tremendous light gathering capabilities, delivering superior low light performance, even in the dimmest conditions. Interpupillary Distance Adjustment (IPD)
Join our Space Forums to keep talking space on the latest missions, night sky and more! As it is completely moistureless, it prevents condensation from forming on the inner glass surfaces, which can easily occur in damp weather and especially when there is a rapid change in temperature. Tripod Adaptable
Future US, Inc. Full 7th Floor, 130 West 42nd Street, Thus I do believe that with the SkyMaster Pro series and in particular this 15x70 model, Celestron has indeed found that 'sweet spot' between price and quality and these are indeed a great Astro binocular as well as long-range daytime binocular for those wanting/needing great quality views without having to spend a fortune to get them. I would have expected binoculars in this price range to have the plus or minus dioptre markings picked out in white for easy use. A power of 15 is just too low to yield any detail, but Jupiter has an obvious disc, surrounded by its Galilean satellites. 
As for any other image distortions, like unwanted image curvature or waviness, at no time did I ever notice anything untoward. While there were no bright comets around during the test period, these binoculars would be excellent for viewing a naked-eye comet, with their wide field of view and substantial magnification. Whilst just about any standard tripod adapter will also work, Celestron has also designed theirs in such a way so that the also included RSR (Reflex Sight Ready) rail attaches to the top of the adapter. Here I stress short observation periods and hand-holding them does work better for daytime terrestrial uses and can be useful at times, but even so to get the best out of these binoculars and especially for astronomy, you really do need to mount them onto a tripod. Go behind the scenes with Celestrons product development team and learn more about our award-winning and patented innovations. Popular Science by Celestron SkyMaster 9x60mm Porro Binocular with Smartphone Adapter and Bluetooth remote Briefly looking at their main features, I also had a sneaking suspicion these would find that 'sweet spot' between price and quality and thus perhaps make the perfect Astro binocular for the average amateur night-sky observer wanting to get really good quality views of the night sky without having to spend a fortune to get it. So why did I choose this model and which model should you choose? Standard Folding Eyecups & Side Shield Eyecups, Dimensions: 10.9 x 3.4 x 8.7in / 27.7 x 8.6 x 22.1cm, Field of View: 77m wide at 1000m (4.4 degrees), Excellent quality, thick, hard-wearing, but flexible rubber/plastic, Excellent fit, don't fall off too easily or too hard to replace, Tethered to the binocular- always handy and easy to replace, Flexible Bridge to accommodate different IPD settings. Today's best Celestron SkyMaster 15x70 Binoculars deals, We check over 250 million products every day for the best prices, Celestron SkyMaster 15x70 binocular rear view showing eyepieces, Celestron skymaster 15x70 binoculars with carry bag, Celestron skymaster 15x70 binoculars on tripod with finderscope, Celestron skymaster 15x70 binoculars box contents, The first telescope of its kind will hunt for sources of gravitational waves, Perseid meteor shower 2022: When, where & how to see it. One major drawback with any binoculars larger than the standard sizes is the difficulty of holding them steady. Made from metal, the double bridge hinge design (with the focus wheen in the middle) is a fairly typical design on a full-sized Porro prism binocular. Ideally, you would have both or a variable magnification, but as you can read about in my article on zoom binoculars, these are generally not a good option. Whilst not really necessary for astronomy, I find the central focus mechanism used on this instrument a better option for long-range terrestrial observation than those that have the individual eyepiece focusing system. 17mm of eye relief allows for comfortable viewing for both eyeglass and non-eyeglass wearers. RSR (Reflex Sight Ready) Rail
On the Celestron there is a scale of the separation, running from 58 to 72 mm, so make a note of this so that you can adjust them instantly whenever you use them. 15x70 binoculars produce a decently sized 4.7mm exit pupil (507). This is real stargazing. The supplied microfiber cleaning cloth that comes with the Celestron SkyMaster Pro 15x70 binocular is very typical at this and lower price levels in that it is fairly basic and whilst fine for cleaning the body of the instrument and lightly dusting the lenses when out in the field. We were able to see the larger and brighter galaxies in the Virgo Cluster, such as M87. Get ready for a night of astroimaging with your mount faster than previously thought possible with All-Star Polar Alignment. allows the binocular to be attached to a tripod for added stability during longer viewing sessions and also allows a red-dot finder to be attached to it utilizing the included RSR Reflex Sight Ready Rail. Thankfully I now have a 15x70mm benchmark that is actually of a very similar level to these SkyMaster Pro's both in terms of the main optical features and the price and as such, I was expecting the view through them both to be likewise very similar. There was a problem. Celestron also highlights that it these coatings are applied using their proprietary XLT coating technology, but as they don't elaborate on this, I cannot really add anything. Body Materials
Anti-Fogging
Point them at a bit of sky and stars leap out at you. The Andromeda Galaxy is an easy object through these binoculars, and the increased power compared with 10 x 50s makes its two companion galaxies, M32 and M110, a doddle to spot. 
To push them a little further I turned all my binoculars towards Deneb in the constellation of Cygnus, also known as the "head" of the Northern Cross, and according to the excellent and free SkyView app on my phone, is the 19th brightest star in the night sky. Perfect for the serious student, professional scientist and discriminating hobbyist. This just takes a few seconds but is essential, because there is a wide variation in the separation and strengths of eyes. This is another area where these Celestron binoculars were fractionally better than my benchmarks and whilst they have a much higher magnification, I would say that the level of color fringing was no more than what I would expect to see through a good quality 10x42 when used during the day. Likewise, I thought that the contrast in the view of this Celestron binocular was good but not too strong so as to make the image look artificial almost cartoon-like. To add these you simply pull off the standard ones and replace them with the ones with the side shield ones. With steady hands is possible to handhold these Celestron 15x70 SkyMaster Pro binoculars for short periods time (especially when using them during the day) which is one of the reasons I chose them over the bigger, heavier and more powerful 20x80 version. To help, I compare the binocular under review against a benchmark that I have in the same or very similar size and magnification class. Below are similar pairs of Binoculars that you may also want to have a look at: High magnification binoculars with large 70mm objectives designed with astronomy in mind, but also excellent for long-range terrestrial observation General Price Range: (3/6) Mid Price Binoculars. The image that you are presented with when looking through these Celestron 15x70 SkyMaster Pro binoculars to me it looks reasonably vibrant but natural and without any sort of artificial tinting. Celestron has opted for the simpler folding rubber eyecups on these SkyMaster Pros rather than the twisting eye-cups that I generally prefer as they usually offer more options when setting the level of eye-relief. Your eyepieces are the first accessories you should learn to use with your telescope. The optics are fully multi-coated and not just multi-coated which certainly makes a big difference to both the image quality and brightness and is certainly something that I was really impressed with when using them and indeed comparing them against other similar binoculars. Get breaking space news and the latest updates on rocket launches, skywatching events and more! Whilst on the smaller end of the scale when it comes to astronomy binoculars, at 70mm in diameter, these still have plenty of surface area with which to capture any available light and I feel offers a good compromise between size and weight versus light gathering ability. NY 10036. Just scanning along the Milky Way on a good night is something that even experienced observers never tire of. Please refresh the page and try again. We chose to look at a notably red star, fourth magnitude Mu Cephei. As I have already mentioned in the body section of this review, the main reason for their distinctive and more traditional body shape is that they use Porro prisms inside of them to re-correct the inverted image produced as the light passes through the lenses.
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