Whilst this is a very minor point, I can't tell you how many times I have had to search for a misplaced dust cap after I have finished using a tripod adapter. By Now, I know what many of you maybe be thinking and that is astronomy is pretty much impossible in the rain so what is the point! 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. It can be hard to know which bit of sky you are viewing. 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. This is not very disturbing, as ones vision is only sharp at the center anyway, but it means that you would have to move the binoculars to explore a large starfield. That is not to say that a wide view is unimportant for long-range. Made from metal it is steadier, stronger and generally a massive improvement on the rather flimsy plastic ones that come with the cheaper SkyMaster series, which I was very happy to see. 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. 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. 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. As well as reduced image stability higher powers reduce the field of view and unless you continuously increase the objective lens size, also reduced their image brightness and low light capabilities, which for an astronomy binocular is obviously vitally important. This innovative software solves the time-consuming problem of trying to pinpoint the North Celestial Pole. 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. To help, I compare the binocular under review against a benchmark that I have in the same or very similar size and magnification class. As well as this, Porro prisms do not require any special coatings added to them to prevent the light going out of phase as it passes through them, nor do they require any highly reflective mirror coatings to increase the light transmission levels, both of which are needed on a Roof prism to get the best out of them. Note that the diopter adjustment range on this particular 15x70 Celestron SkyMaster Pro binocular is 4, which is pretty standard. The most popular accessories for your new telescope! Viewing a bright Moon provides a good opportunity to look for chromatic aberration (false color) introduced by the optics. 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. Saturn, while not resolved into a planet and rings, is very clearly elongated. Although if as me and you will mostly have this binocular attached to a tripod, this is not important. The built in tripod adapter of the SkyMaster Pro 15x70mm. 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. I tested this using my sunglasses and by folding down the cups (you can also completely remove them if you wish), I was able to take in about 95% of the view with only a minimal dark ring forming around the edge of the view. Learn more about extra solar planets imagery, 3D Star rendering, observation planning, telescope control, multiple-panel printing, and much more. This along with the use of Porro prisms made from good quality BaK-4 glass and a fully multi-coated optical system meant that I was expecting these Celestron SkyMaster Pro binoculars to deliver a bright, good quality image. Unleash the full pointing accuracy of your Celestron computerized telescope with a specialized telescope control software suite. SkyMaster DX 8x56mm Porro Binoculars. 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. Tripod Setup
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. Great for home, classroom, or home-school use, this kit includes all the essential items youll need to begin exploring the wonders of the microscopic world. 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. Tripod Adaptable
Image Brightness
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. Go behind the scenes with Celestrons product development team and learn more about our award-winning and patented innovations. nleash the full pointing accuracy of your Celestron computerized telescope with a specialized telescope control software suite. I really like the side-shield eyecups and the included tripod adapter is also excellent. Eye-Relief:
Just scanning along the Milky Way on a good night is something that even experienced observers never tire of. Get ready for a night of astroimaging with your mount faster than previously thought possible with All-Star Polar Alignment. SkyMaster Pro 20x80mm Porro Binoculars For the vast majority of users, this will be fine, but as I say it is nice to have the added mid-level settings that good twisting eye-cups offer. This is for a variety of reasons which I will get to later in the review, but chiefly the particular shape of a Porro prism and the way the light exits them parallel, but not inline to the point of entry enables the makers to position the eyepieces closer together than the objective lenses. Anti-Reflection Coatings
For more: Interpupillary Distance on Binoculars. As always, Celestron Optics includes their impressive lifetime warranty on these and indeed all their binoculars. Construction: Centre focus, nitrogen-filled. 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. Something that I almost immediately noticed was just how large the ocular lenses were on these Celestron SkyMasterPro 15x70 binoculars looked. This Celestron SkyMaster Pro 15x70 binocular is a very well-built and sturdy instrument that looks and feels superior to most at this range. To add these you simply pull off the standard ones and replace them with the ones with the side shield ones. Here I thought I would be able to differentiate any differences in color fringing between different binoculars but, to be honest, they all looked about the same, with a little blue on the left and right towards the underside. Also, well worth mentioning is the fact that Celestron state that they use prisms made from BaK-4 glass, which for the use in binoculars is far superior to BK-7 glass that is also widely used. published 21 April 22. I do like the fact that the strap is Celestron branded and not generic like I often come across at this price level. 15x70 Configuration
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. With large objective lenses, BaK-4 prisms and fully multi-coated optics utilizing Celestrons proprietary XLT coating technology, the view through a SkyMaster Pro is second to none at this price point. Trying to rest them against a wall or whatever helps when the objects you are viewing are low down, but when they are high in the sky this can be difficult. Whilst the included side-shield eyecups are great, there is a part of me that wishes Celestron had used the twist-up mechanism, rather than relying on folding down eyecups. Note here that the standard SkyMaster 15x70 binocular actually has a slightly longer 18mm of eye-relief. As is most usually the case and apart from a few keywords and marketing terms here and there in their product descriptions, Celestron does not go into major detail when it comes to describing the make-up of the optics and coatings used on the SkyMaster pro binoculars, but I will do my best and include what I have been able to dig-up: The combination of the powerful 15x magnification with large 70mm objective lenses is a common configuration used on many binoculars for astronomy as well as general long-range terrestrial uses, so why is this? Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services. 2022 Celestron, LLC. This just takes a few seconds but is essential, because there is a wide variation in the separation and strengths of eyes. There was a problem. 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. The workhorse specification of 10 x 50 (with a magnification of 10 and objective lenses of 50 mm aperture) is an excellent compromise of usefulness for daytime viewing and night use. Reviewed by Jason Whitehead for Best Binocular Reviews. 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. 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? The sight of the full Moon through these binoculars is a show-stopper. Now, Celestron is using that same technology to allow star gazers to connect to the night sky and enhance their experience of the cosmos in fun and unique ways. Style: 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. To my eyes, this just looks like another star with the naked eye, but through the 15 x 70s it burns like a glowing coal. This is especially true when I'm in the northern hemisphere as not only are the nights longer but I also generally have a little more free time on my hands. Heres why you can trust us. The new Lithium Phosphate (LiFePO4) battery chemistry has significant advantages over other battery chemistries, great for for those Astronomers on the go. Do You Want to Review Binoculars & Write for BBR? Celestrons FREE planetarium app is an astronomy suite that redefines how you experience the night sky. On something like a standard 8x42 binocular (42mm lenses) this specific feature is not that important as the centers of the objective lenses can be close enough together to line up fairly well with the average distance between most people's eyes and thus 'straight-through' roof prisms can be used. What about planets? The famous galaxy pair of M81 and M82 in Ursa Major were also easily visible, the contrast in their shapes being obvious. Anti-Fogging
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. The strap attaches to the binocular in the standard way through the loops on the sides of the body and then back on itself through the sliders that allow you to adjust the length. For me, they are perfect in this regard. Awards: Best Value Astronomy Binoculars 2022. 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. Enter it during checkout! NY 10036. ED stands for "extra-low dispersion," which refers to the composition and optical properties of the glass used for the lenses. Indeed I like them so much that I now use them all the time and I highly recommend taking a look at getting a pair of these EyeShields by Field Optics Research for binoculars that you may have that don't offer this small, but excellent feature that Celestron provides with these. Read our guide! We were able to see the larger and brighter galaxies in the Virgo Cluster, such as M87. Compared to lower-priced large aperture binoculars, SkyMaster Pro uses superior optics, coatings, internal parts and housing materials. 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. Either way, the level of color fringing that I did see (especially during the day) was very minimal and certainly less than what I would have expected to see. Choose SkyMaster Pro for use at dusk, dawn and nighttime astronomical viewing. Start by focusing on an object with your left eye, using the center focusing wheel, then shift your attention to your right eye. 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. 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. However, when tightening the bracket to the binoculars we found that when it was as tight as needed to prevent wobbling, it was very difficult to undo the bracket from the binoculars afterward. Note that the rain-guard cannot be attached with the side-shield eyecups on. Space is supported by its audience. Interstellar probe: Has its time finally come? For more on this take a look at my article on How To Use Binoculars With Glasses: Eye-relief & Eye-cups Explained. I begun this review mentioning that one of the main reasons I chose to get this 15x70 model instead of the 20x80 Celestron SkyMaster Pro binoculars was because I wanted a more versatile instrument that I could use alongside my telescope as well as more easily take with me on camping trips etc as well as use for long-distance terrestrial use during the day and I am really happy I did. I find that this really helps me to orientate myself as well as enjoy and appreciate the spectacle of viewing a number of stars at once in clusters or part of a constellation. Thus as I knew that I would be able to get the more detailed views through the telescope, rather than opting for the higher-powered Celestron SkyMaster Pro 20x80 binoculars, I chose the 15x70 SkyMaster Pro as it delivers a wider field of view and thus would be ideal for orientating myself and taking in wider views with more of the surrounding stars before swapping over to the telescope to focus on a single star, distant galaxy or a more detailed view of our moon and the planets in our solar system. This is especially important for a heavier instrument like this. SkyMaster 25x100mm Porro Binoculars Sign up to receive sale alerts, news about upcoming celestial events, and telescope tips from our experts! For example, the glasses that I tested them with are quite curved and sit quite far in front of my eyes and so I am sure there will be others where you are able to achieve the full image. As for any other image distortions, like unwanted image curvature or waviness, at no time did I ever notice anything untoward. Whilst almost entirely hidden under the rubber armor, it looks to me as though the main body of the binocular is made from aluminum, whilst the barrels are most likely polycarbonate which makes sense: added strength where you need it most and keeping the overall weight down using polycarbonate where appropriate. Get breaking space news and the latest updates on rocket launches, skywatching events and more! The binoculars are provided with two types of rubber eyecup standard low-profile and winged, for excluding extraneous light. But if you have astigmatism, or require an extreme dioptre correction, you will need to fold back the rubber eyecups on the eyepieces so that you can press your glasses against the eyepieces. Popular Science by Celestron SkyMaster 9x60mm Porro Binocular with Smartphone Adapter and Bluetooth remote RSR (Reflex Sight Ready) Rail
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. At 17mm. From the SkyProdigy, a telescope so smart it can align itself, to our high-performance EdgeHD optical system, weve revolutionized the hobby of astronomy for beginners and advanced amateurs alike. This rail is designed to accept a red-dot finder that can really help with aiming the binocular. There is a rubber sleeve on the knob intended to give you a better grip, but this just turns uselessly on the inner metal knob. 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.
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