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Availability:
In Stock.
Arrives
Tuesday, Sep 29
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Size: 25x70
Features
- POWERFUL 25X MAGNIFICATION: Giant astronomy binoculars with massive 70mm objective lenses and 25x power. Pair them with any tripod for long-distance land-based viewing or astronomical observation.
- WORKS WITH YOUR TRIPOD: Due to their size/weight and high magnification, most users mount SkyMaster binoculars on a traditional photo tripod (not included). The built-in 14-20 adapter attaches to most tripods in seconds.
- BRIGHT, SHARP VIEWS WITH BaK-4 PRISMS: The SkyMaster is a favorite among those who view in dim conditions near dawn and dusk or at night for astronomy. BaK-4 prisms maximize light throughput to your eye so you see brighter, more detailed images.
- DURABLE AND WATER-RESISTANT: A rubber-armored housing protects your binoculars from damage and provides a secure gripping surface. The water-resistant exterior stands up to tough conditions and unexpected rainy weather.
- UNBEATABLE WARRANTY & CUSTOMER SUPPORT: Buy with confidence from Celestron, a leading optics brand in California since 1960. Your purchase includes a Celestron Limited Lifetime US Warranty & US-based expert tech support.
Description
Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. This special 25x70 version brings you even closer to the action, with the highest boost in power you’ll find in our fixed magnification binoculars. Due to its weight, size (including its very large objective lenses), and very high magnification levels, this binocular should be mounted on a standard photographic tripod for extended periods of use. We’ve included a tripod adapter rod that allows you to mount your SkyMaster binoculars on any sturdy ¼”-20 photographic tripod in seconds. These large & extra-powerful binoculars ensure high performance in all weather conditions and are ideal for astronomical viewing or terrestrial (land-based) viewing over long distances. Astronomers have praised the Celestron SkyMaster for decades for its high- quality BaK-4 prisms and multi-coated optics, which enhance contrast and bring out bright, sharp images—especially in low light conditions. The binocular features soft, comfortable rubber eyecups that block stray light. Eyeglass wearers can fold down the eyecups and view with their eyeglasses on. Your purchase of the Celestron SkyMaster 25x70 binoculars includes the tripod adapter, objective lens caps, a rainguard, a deluxe carrying case, a neck strap, a lens cloth, and an instruction manual. Buy with confidence from the world’s No.1 telescope brand and a leading binocular manufacturer, based in California since 1960.
Brand: Celestron
Age Range (Description): Adult
Special Feature: Ultra sharp focus across the field of view
Objective Lens Diameter: 7 centimeters
Magnification Maximum: 25 x
Features: Ultra sharp focus across the field of view
Objective Lens Diameter: 7 centimeters
Magnification Maximum: 25 x
Specific Uses: Astronomical or terrestrial viewing
Mount Type: Tripod Mount
Eye Relief: 13 millimeters
Prism Type: Porro Prism
Relative Brightness: 7.84
Exit-Pupil Diameter: 2.8 millimeters
Coating: Multi-Coated
Water Resistance Level: Water Resistant
Focus Type: Center Focus
Zoom Ratio: 25 multiplier x
Field of View: 2.7 degrees
Apparent Angle of View: 61 degrees
Compatible Devices: Tripod
Focus Description: Manual Focus
Low Light Technology: Yes
Color: Black
Enclosure Material: Synthetic
EU Spare Part Availability Duration: 10 years
Brand: Celestron
Age Range Description: Adult
Model Name: SkyMaster 25x70mm Porro Binoculars
Item Highlight: Exceptional Long-Range Detail, Astronomy & Wildlife or Land Viewing, Multi-Coated BaK-4 Optics, Tripod Adapter Included
Manufacturer: Celestron
UPC: 050234710084
Number of Items: 1
Global Trade Identification Number: 84
Built-In Media: Carrying case, Instruction manual, Lens cloth, Neck strap, Objective lens cap, Rainguard, Tripod adapter
Item Type Name: Binoculars/Monoculars
Model Number: 71008
Manufacturer Part Number: 71008
Warranty Description: Limited Lifetime Warranty
Unit Count: 1 Count
Item Dimensions L x W x H: 8.7"L x 4.3"W x 11"H
Item Weight: 1474 g
Item Dimensions L x W: 11"L x 8.7"W
Size Map: Full Size
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Sep 29
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To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Size: 25x70
I picked these up to complement a pair of 10x binoculars that live on my desk. Most of the time the 10 powers are enough, but occasionally I want a closer look at distant wildlife, especially the hawks that like to perch in trees well beyond the range where my standard binoculars are comfortable. For that purpose, these have been excellent. The extra magnification makes a noticeable difference when observing birds at longer distances, and the image quality is much better than the bargain-bin high-power binoculars I've tried over the years. They're certainly not cheap, but compared to many other 20x+ options, I think they offer a reasonable balance between performance and price. A few things I particularly like: * clear image * good magnification for distant wildlife * reasonably comfortable to use * solid value compared to higher-end alternatives * noticeably more capable than true budget optics One thing worth discussing is the astronomy marketing. These are frequently advertised as astronomy binoculars, and while they can certainly be used that way, I'm not sure that's where they shine best. I've pointed them at the moon a handful of times and was genuinely impressed by the amount of detail visible. Beyond that, however, I haven't personally gotten much use out of them for stargazing. That may say more about me than the binoculars. Astronomy isn't really my hobby, and I'm sure someone with more experience under dark skies could get more out of them than I have. For terrestrial use, though, they've been fantastic. They're also lighter and easier to handle than I expected given the magnification. That said, 25x is still 25x. You can absolutely hand-hold them for casual viewing, but image shake is noticeable, especially when you're trying to study a distant subject for more than a few seconds. I haven't felt the need to buy a tripod adapter, but I do find they're much easier to use when I can brace myself against something. Most of my viewing is done from a desk, and simply resting my elbows on the desktop makes a significant difference in stability and viewing comfort. If your primary interest is: * bird watching * wildlife observation * distant landscape viewing * having more reach than standard binoculars without moving to a spotting scope these are a very nice option. Overall, I've been very happy with the purchase. They filled exactly the niche I wanted between standard binoculars and a dedicated spotting scope, and they've become my preferred choice whenever I need a little more magnification.
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Reviewed in the United States on June 3, 2026 by Nathan V
Size: 25x70
I own both the Celestron 15x70 and 25x70 binoculars. After comparing both here is WHAT I'VE COME UP WITH: Both binoculars excel and have a clear crisp view. The optics are truly amazing at this price point! I did have to send back a set of the 25x70's due to interior dust being seen as I looked through them, but Amazon sent me a new pair no problem. Both binoculars use the same body. The 25x70's are a touch shorter (1/4 inch) in length due to shortening of the Ocular (eye) to the Objective lens distance. The 25x70's also have a larger Ocular lens due to the increased magnification. Both binoculars need a tripod (especially the 25x70's which are more effected by shaking). GET A 70" or greater TRIPOD! I have a 60" tripod and I'm a short5'5" but when something is near 90 degrees over your head the "60 height of the tripod won't cut it. I posted an example of the magnification and the Field of View difference between the 15x70 (1st Pic) and the 25x70 (2nd Pic). As you can see the 25x70 gives you a greater MAGNIFICATION but the trade off is the FIELD OF VIEW which is greater with the 15x70's. The actual views through the bino's are sharper as the cellphone doesn't do it justice. LOOKING AT OBJECTS: In looking a celestial objects the MOON totally fills the frame with the 25x70's. The 4 Galilean moons of JUPITER (yes you can seem) look great in both set of binos. Another thing I love to look at are AIRPLANES. With the use of a tripod I was able to see and follow JETS at 35,000 ft. IT IS A MARVEL! The 25x70's work well here as I can read the writing on the planes. MY RECOMMENDATION: I would choose the 25x70's. The 25x70's are $3 more so why not go for more magnification. The wider field of view on the 15x70's does allow a better "hand-held" experience but you are still going to need a tripod for celestial viewing no matter which bino's you buy. ALSO: Both the 25x70 and the 15x70 come with a tripod adapter but I'd upgrade to a METAL one as these binos are heavy. The Barska adapter is metal with a larger rubber tightening screw and is only $8 (see photo). I'd also get some Field Optics Research Binocular EyeShields ($14) to help keep out peripheral light in daytime viewing (see photo).
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Reviewed in the United States on May 6, 2016 by Paul M. Ondra
Size: 25x70
Have had these binoculars for about a month now so I could be sure of my rating. I would have loved to give these bino's a 5 star rating but I'm disappointed in two or three areas. The 25x magnification is great but the clarity of the image left me a little disappointed. The images are just not as sharp and clear as I would have hoped for and expected. The images are just a little fuzzy (especially at full distance) no matter how carefully you try to focus the images. The focusing is very touchy/sensitive but with a little practice, you can get used to it. I bought these to look at the ocean from my living room window and just wish the images were as sharp and clear as my lower magnification bino's. My other disappointment is that the color of the images I see thru the bino's are not as bright as I see them with my own eyes or with my other bino's. The colors seem faded or washed out. Not sure if this has to do with the fuzziness of the images. Only other disappointment is the supplied tripod adapter setup that comes with the bino's. The bino's are held to the adapter by one screw which is fine but doesn't hold them firmly enough. The way it attaches to the bino make it extremely prone to wobbling. I bought a very good sturdy tripod just for these bino's but it doesn't seem to matter. The tripod is solid and steady, as is the adapter mount supplied with the bino's but the bino's wobble on the adapter. It can take anywhere from 5 to 7 seconds for the wobble to settle out so you can see what ever image you are looking at. Part of the problem might be that the attachment point to the bino's is not at a balance point. The attachment point is very near the focusing ring, thus making the bino's very front heavy. I found much better luck using these bino's at night to look at the moon, stars and International Space Station. The moon looked incredible but would have looked even better if the clarity was sharper. Not really sure one can see the "rings of Saturn" as some claim to be able to with these binos. I tried looking at Venus but all I saw was just a bigger bright white dot in the sky...lol All I can say is that for the price of these bino's, it's not a bad deal overall. I plan to keep these bino's and use them as a spare if and when I can find a better set of bino's with better sharpness and clarity. For the price, I would certainly recommend them to someone on a tight budget. For $77 you can't go wrong. Hope this helps.
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Reviewed in the United States on April 10, 2023 by Socal52
Size: 25x70
I originally gave these four stars because the focus has play in it. I bumped them up to 5 stars because of the low price and the fantastic astronomical views. They stay in the focus you put them in, but the play occurs only during adjustment. My 16x50 is much better for daytime sight seeing. 1. The eyepiece lens is 23mm, vs 18mm for my Nikon Aculon 16x50, 16mm for my Celestron 10x50, and 13mm for my Tasco 7x35. Despite this, they have the same eye relief as the smaller binoculars, and also a moderately smaller apparent field of view. 2. I followed the exit pupil, drew a triangle, and quickly and accurately measured the apparent field of view of the Celestron 25x70 to be only 57.5 degrees, and that is the maximum no matter where your eye is. My Nikon's are 61 degrees, my Celestron 10x50 is 60 degrees, and my Tascos are 58 degrees. Visual observation confirms these math measurements. 3. They are noticeably heavier than my other binos, but not a lot. 4. They are easy to hand hold very steady in the day time, without resting my elbows on anything. At night it is much better to have something to brace my elbows on. 5. They look like they are good quality, other than the thin strap. 6. They are 10.4 inches long, and 8 inches wide. 7. There depth of focus is less than that of lower powered binoculars, so I really have to adjust them as I aim around at stuff terrestrially at different distances. These are better for astronomy than for birding. My 10x and lower did not need to be adjusted much unless I looked at something really close. My 16x is in between, but still pretty forgiving. 8. The focus is smooth but has a short lag, and requires diopter adjustment of the right eye to compensate for the lag. In cold weather, the focus wheel is tighter than any of my other binos, but still reasonable enough to turn. 9. I am a bit near sighted, so I get a closer near focus at around 50 or 60 feet instead of the advertised 75 ft. My nikons near focus at 18 ft, not their advertised 28 ft. As many other reviewers already said, the eyepiece barrels seem too big around, and pinch my nose if I try to get closer to the eyepiece. However, if I carefully measure the interpupilary distance, I can place them so I see the full field of view without the pinch. It just does not come as naturally as with my 10x50. I separated them to see if getting one eye closer would give a bigger field of view, but it did not. I guess how close I get is close enough. It just feels weird them being that far out on my nose and making that third point of contact like that. Edit: next day: I'm getting used to the new feeling. The correct place to hold these binoculars is by the barrels in front of the prisms. That is how to get steadier views. Better yet, slouch down in a chair and put your elbows on the arm rests. Then all you'll see is your heart beat. I looked at a distant light, and compared its size to the Nikon's 16x. I find it very believable the Celestrons are 25x. The field of view is not as wide as advertised. The apparent field of view is 57.4 degrees, not 61. The belt of Orion just barely fits in the view. The moon is 30% of the view. The true field of view is 2.4 degrees, not the advertised 2.7 degrees. The arms of the eyepiece adjuster also have some wiggle in them causing a 1/4 inch delay when turning the adjuster wheel. I have had to re-adjust the right diopter even when I did not touch the center wheel, indicating it might be moving a bit. But it does not take long to get back into focus. There is also a flare visible off to the side of the exit pupil, though I don't see it during astronomy. Despite these flaws, I can't subtract a star at only $70 shipped. These binoculars are a league above my 10x50 for astronomical viewing, at least in terms of looking at individual targets. A telescope has many advantages, but these are grab and go. However, to see the phase of Venus, you need to stop down the aperture and sit down to brace your view. ------------------------- I easily saw the correct shape of the Orion nebula on a half moon when my 10x50 could see nothing. I could see the dark side of the half moon, whereas my 10x50 could only see the bright side. My 16x50 also saw the dark side. Jupiter looks much bigger in the 25x70, but I may need to reduce the aperture to see the stripes. I can see bands on Jupiter 114mm f8 Newtonian telescope at 28x, but I can't see bands at 25x in the binoculars. The Pleiades look much better in the 25x70 than in the telescope or my other binoculars. The double cluster in Perseus is clearly visible in the 25x70, and looks tiny with an almost stellar core in my 10x50. Andromeda, M31, looks better, with M32 and M110 noticeable by it, and very hard to see in my 10x50. I can see a tiny ring around Saturn at 28x in my telescope, but at 25x, I sometimes see a ring around Saturn and sometimes I don't. On the day that I could see a ring, my 16x50 detected ears. I can see M13 and other globular clusters as small fuzzy balls. I could find them in my 16x, but smaller. In my 10x, I can locate most of them, but they look like stars. Maybe I can detect a little fuzz on M13. In my 7x, I can't locate most of them, but I can see M13 and maybe a few others, though I don't remember. All of my observing was hand held, unbraced. I could point them at whatever I wanted and hit my targets just fine. I had trouble hitting Andromeda right away because I could not see it naked eye. M82 and M81 are easy to identify in my 25x70 as I sweep over them. I can see the cigar shape of M82 in my 16x50 too, though I can't find either one in my 10x50. I can see a mountain range on the moon in the 25x70 when my elbows are braced. I've not yet found it in my 16x50. Airplanes look bigger but take longer to find in my 25x70. At 25x, you can't tell where you are in the sky from the star orientations. You just have to point and look, and you know where you are when you see the object you are looking for. At 16x, I can pan around from bright star to bright star and figure out where I am by memory. At 10x, I can see some bright stars in the same field of view, but have to pan for others. And at 7x, you can easily see where you are. I actually think my view of M31 was more enjoyable in a 15x70 than in these 25x70, though I know the Orion nebula is better at 25x. It keeps getter better even at 60x. M33 can be located at lower power, but the 25x70 gave the best view, giving maybe a hint of spiral structure.
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Reviewed in the United States on December 5, 2013 by Mark Twain9
Size: 25x70
Standard for all my reviews: When reviewing products, I always remain objective and honest about the product or service. I always review with information that I feel others would like to know about the product as I always assume what I'm writing will influence for or against the purchase. I always try to go above and beyond surface characteristics and input into quality, value and application. Most importantly, I will always end the review with an answer as to whether I'd purchase the product again which I believe is the most critical question pertaining to the item. To manufacturers: Want me to review your items, just let me know! I see the negative reviews and get what people are saying but it's unfair to Celestron to offer poor marks on something they can't well control. I purchased these 25x70 binoculars knowing there is better glass available but wanting something reasonably priced that would offer better celestial body viewing along with long distance wildlife viewing while in Yellowstone. I have yet to use them for wildlife but have used them for night sky viewing. Firstly, the 25x magnification REQUIRES a very sturdy tripod, preferably one that can extend closer to 7'. Being an amateur photographer I use a Manfrotto and Bogen Ball head mount. It's very heavy and very sturdy. Cheaper tripods won't give you the solid base needed, could have an issue with the weight of the binoculars and will sway with the wind. Even on a tripod, the slightest bump, shake or allowing your eyes/brow to touch the binos will send your target image shaking across your field of view. They are best used by not touching them after properly focusing with the focus wheel and diopter, looking at your target without making contact with the binos. The 70mm objective lens size makes for a long and heavier binoculars and the 25x magnification is great for budget based viewing. Funny story: I purchased these to get a better view of Jupiter and it's Galilean moons. I mounted on the tripod, found the brightest start in our southern sky (Jupiter), spent a few minutes focusing one eye at a time and then prepared to be wowed. Instead, I was very disappointed in that it was just a larger bright star. Then I realized I was one star to the right of Jupiter. Repositioned and immediately saw the difference. Refocused and immediately saw Jupiter and all four moons visible. Make no mistake, you won't see detail, but you can tell it's a planet and the moons are visible. Again, you can find better glass/optics at much higher price points but for our first set of star gazing binos without going to full telescope, it's hard to beat this price point for a brand like Celestron. We're going to have a lot of fun with these. I can't wait to get these to Yellowstone to see if they are too powerful. But do NOT attempt to use these hand held otherwise you will be sorely disappointed. The field of view is too tight and the magnification is too great to use anywhere but on a tripod. The binos do come with a tripod mount. I had purchased one separately.
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Reviewed in the United States on August 20, 2020 by Jeff H.
Size: 25x70
These binoculars would be one star if I was just ranking them off of quality alone. The first set I got was horridly out of collimation. So bad that I don't think it could even be fixed. I contacted their support and their solution was "return them to Amazon". I did, and the second set was better but not perfect. Celestron's support again said "return them to Amazon", and the second option was "pay for a repair". Neither pair should have left their warehouse. I think their quality control is non-existent. For the collimation issue, they are technically adjustable, but not in an easy way. I watched several YouTube videos on how to access the screws, but they're almost impossible to see; I spent an hour messing with them and didn't improve anything. I've just learned now to use either one eye, or stare through them sort of cross-eyed to even everything out. Other than that, they're pretty damn good. 3 of Jupiter's moons are easily visible. I've definitely seen a few nebula. There are tons of stars visible through these binoculars I couldn't otherwise see. I live in the NYC metro area and light pollution is horrible. The moon is absolutely stunning- you can see so much detail. These are so much easier to see things compared to a telescope since stuff isn't upside down. You definitely need a good tripod. They're very heavy, and pretty much impossible to hold still. I have a good solid metal camera tripod I use with these. It's nice because I can use the height crank to make them comfortable to view for people of various heights. I can locate something and then lower the tripod height to a child's height without having to reacquire the object.
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Reviewed in the United States on April 6, 2026 by matt151617
Size: 25x70
Fantastic binoculars for looking at wildlife. You almost need a tripod though since they are so large.
Reviewed in the United States on July 31, 2026 by Jordan
Size: 25x70
These things are spectacular! I can see a Gnat on an Elephant's butt @1,000 yds. Great price for these. Make no mistake, they are all quality.
Reviewed in the United States on August 13, 2026 by JokkoDeMonkey