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Celestron – SkyMaster 20X80 Binocular – Outdoor and Astronomy Binocular – Large Aperture for Long Distance Viewing – Multi-Coated Optics – Carrying Case Included – Ultra Sharp

4.4 4.4 out of 5 stars 3,945 ratings

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SkyMaster 20x80 Binocular
Binoculars

Purchase options and add-ons

Brand Celestron
Age Range (Description) Adult
Special Feature Water-resistant
Objective Lens Diameter 80 Millimeters
Magnification Maximum 20 x

About this item

  • POWERFUL 20X MAGNIFICATION: Giant astronomy binoculars feature massive 80mm objective lenses and powerful 20x magnification. These binoculars are ideal for long-distance viewing of land-based subjects or astronomical observing at night.
  • INCLUDES TRIPOD ADAPTER: Stabilize your binocular for added comfort and shake-free views. Mount your 80mm SkyMaster binoculars on any traditional photographic tripod with the built-in tripod adapter.
  • 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.
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From the manufacturer

SkyMaster 20x80mm Porro Binocular

SkyMaster 20x80mm Porro Binocular

A high-quality yet affordable choice for binocular astronomy or long-distance terrestrial viewing with giant 80mm objective lenses and powerful 20x magnification.

SkyMaster 20x80mm Porro Binocular

Better Viewing

Objective lens cap, rainguard, carrying case, neck strap, lens cloth, and instruction manual all included.

Better Viewing

Compare these Products

SkyMaster 20x80

SkyMaster 20x80

SkyMaster 25x100

SkyMaster 25x100

SkyMaster 25x70

SkyMaster 25x70

SkyMaster 15x70

SkyMaster 15x70

Customer Reviews
4.4 out of 5 stars
3,945
4.4 out of 5 stars
3,945
4.3 out of 5 stars
8,081
4.5 out of 5 stars
7,967
Magnification
20x 25x 25x 15x
Field of View (degrees)
3.7° 3.0° 2.7° 4.4°
Field of View (feet @ 1000yds)
195 156 141 231
Lens Coatings
Multi-coated Multi-coated Multi-coated Multi-coated
Prism Material
BaK4 BaK4 BaK4 BaK4
Diopter Range
-4 to +8 ± 5 -4 to +8 -4 to +8
Close Focus Distance (feet
108 80 75 43
Eye Relief (mm)
18 15 13 18
Eyecup
Folding Folding Folding Folding
Environmental Protection
Water Resistant Water Resistant Water Resistant Water Resistant
Tripod Adaptable
Yes Yes Yes Yes

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Celestron – SkyMaster 20X80 Binocular – Outdoor and Astronomy Binocular – Large Aperture for Long Distance Viewing – Multi-Coated Optics – Carrying Case Included – Ultra Sharp
Celestron – SkyMaster 20X80 Binocular – Outdoor and Astronomy Binocular – Large Aperture for Long Distance Viewing – Multi-Coated Optics – Carrying Case Included – Ultra Sharp
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Price-29% $142.09
List:$199.95
$149.99$426.95$179.99$188.99$189.99
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Value for money
4.0
4.4
4.3
4.9
4.1
4.4
Picture quality
4.0
4.8
5.0
4.7
4.2
Light weight
3.0
4.6
3.5
2.6
3.6
Sold By
Amazon.com
LUXUN
Amazon.com
SCOKC
ZFHUSD
ESSLNB
max magnification
20 multiplier x
20 multiplier x
20 multiplier x
30 multiplier x
260 multiplier x
focus type
Center Focus
Individual Focus
Fixed Focus, Center Focus
Center Focus
apparent angle of view
3.7 degrees
2.5 degrees
0 degrees
lens coating
Multi-Coated
Fully Multi-Coated
Anti-Reflective
Fully Multi-Coated
eye relief
18 millimeters
10 months
13.1 millimeters mercury
22 millimeters
17.5 millimeters
objective lens diameter
80 millimeters
80 millimeters
80 millimeters
80 millimeters
80 millimeters
80 millimeters
binocular prism
Porro Prism
Porro Prism
Porro Prism
Porro Prism
Porro Prism
Porro Prism
zoom ratio
20 multiplier x
20 multiplier x
20 multiplier x
30 multiplier x
30-260X
20 multiplier x

Product guides and documents

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Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Celestron

Celestron – SkyMaster 20X80 Binocular – Outdoor and Astronomy Binocular – Large Aperture for Long Distance Viewing – Multi-Coated Optics – Carrying Case Included – Ultra Sharp


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Product Description

Celestron has designed and engineered the largest SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. Our large aperture powerful binoculars ensure high performance in all weather conditions and are ideal for astronomical viewing, or terrestrial use. Each SkyMaster model features high-quality BaK-4 prisms and multi-coated optics for enhanced contrast, with bright, sharp image quality—even in dim conditions. A practical integrated tripod adapter rod allows you to enjoy extended hands-free viewing sessions by simply mounting your SkyMaster binoculars on any sturdy photographic tripod. Our SkyMaster model features soft, rubber eyecups that block stray light and are comfortable to use. Eyeglass wearers can fold down the eyecups to enjoy a better viewing experience. For maximum stability and secure optical alignment, the 80mm SkyMaster model features enhanced structural reinforcement to the main binocular body. The purchase of our Celestron SkyMaster 20x80 binoculars includes an objective lens cap, 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.

Customer reviews

4.4 out of 5 stars
4.4 out of 5
3,945 global ratings

Customers say

Customers like the clarity, performance, and view of the binoculars. For example, they mention that they provide a good view, are sharp and produce clear images. That said, some complain about the portability. Opinions are mixed on quality, ease of use, and collimation.

AI-generated from the text of customer reviews

211 customers mention154 positive57 negative

Customers like the clarity of the binoculars. They say the views are clear and crisp, deep sky objects are nice and clear, and they are good for terrestrial viewing. They produce sharp and clear images, and it provides a high quality view. They gather a lot of light and give a big display, giving spectacular views of the moon and craters and surface features. Customers also say they can see really faint objects and amazing sights in the sky.

"...This puppy is way bigger! The views you get are better, closer, clearer...." Read more

"...The views are wondrous to behold! It puts the moon right into your lap!" Read more

"...You can see really faint objects. And occasionally, and airplane will pass by, and these binoculars pick out amazing detail on airplanes...." Read more

"...at all, magnification (*25) and weight make it literally impossible to enjoy the view. Sturdy support just is mandatory expense!..." Read more

119 customers mention119 positive0 negative

Customers appreciate the value of the binoculars. They say they are well worth the price, with a lifetime warranty.

"...Overall, you should get these. They are well worth the price. But on the other hand, you are taking a risk when it comes to production...." Read more

"...I conclusion, you're not losing here, there is value and quality, you will get an eyeful of stars and lunar mountain ranges...but once you get hooked..." Read more

"...First things first, for the price, they're absolutely worth it in my opinion...." Read more

"...But, based on what I have already seen, this is the best buy for the money I havemade for astronomical equipment...." Read more

81 customers mention77 positive4 negative

Customers are satisfied with the performance of the binoculars. They mention that they work well in the daytime, with a tripod, and in all types of light. The built-in tripod gizmo works well, and the bins are great for astronomy and terrestrial viewing. They are quick to adjust and work well with diffraction. Customers are happy with the product and find it to be perfect.

"...The nylon carry case is adequate and sensible, I see other brands with hard cases and as a 25+yr Pelican user, I honestly would get my own Pelican..." Read more

"...expect for mass-produced, imported Asian optical devices... everything is acceptable; nothing is outstanding in this price range...." Read more

"...I sky tested the binoculars a few nights later and they performed very well. I had onlyabout 20 minutes till the clouds took over...." Read more

"...They work really well now, but I'm giving them a four-star rating since Celestron really should tell the consumers how to fix this problem by..." Read more

66 customers mention57 positive9 negative

Customers like the view of the binoculars. They mention that they are amazing for stargazing, great for both astronomy and land viewing, and a wonderful way to exercise your astronomical hobby. They also say that it's a good entry-level astronomer's binocle for a decent price. Customers also say it provides higher powered wildlife viewing than hand held binos, and does a great job at picking ridiculously far away stars.

"...All in all, these binoculars are a wonderful way to exercise your astronomy and deep space hobby!!" Read more

"...The views are clear and crisp. They can pick up Jupiter's moons, but I haven't noticed any banding...." Read more

"...Wonderful entry level set of stargazing binoculars that can take camping or just out and about without worry...." Read more

"...I could see craters on the moon. It was exciting for my grandsons...." Read more

320 customers mention221 positive99 negative

Customers are mixed about the quality of the binoculars. Some mention that the optics are quality, while others say that the quality is average, flimsy, and difficult to hold steady.

"...Otherwise, this is an amazing piece of equipment.The bag: I don't understand why nobody ever gives much info on the bag... it's important...." Read more

"...These binocs are truly awesome! They are heavy on the tripod which makes them difficult to move around...." Read more

"...Along with binos comes a convenient carry case. Feels robust and good quality to me.Also there is no focus ring on this beast...." Read more

"...Celestron should make the hard shell case is because the binoculars are so expensive, and Celestron can give us some gratitude by providing the..." Read more

57 customers mention24 positive33 negative

Customers are mixed about the collimation of the binoculars. Some mention that they are well collimated and spot on right out of the box, while others say that they need to be collimating.

"...I just tapped it deeper and it was fine. To my surprise the collimation was way off. Ghosting and double vision was excessive...." Read more

"...Mine were in perfect focus as far as I can tell and collimated properly...." Read more

"...good for wide field field, astronomy observation, but the collimation was a problem causing double imaging...." Read more

"...Mine arrived on time and I found them to be well collimated (aligned) If you take care not to bang them around or drop them they should stay that..." Read more

56 customers mention38 positive18 negative

Customers have mixed opinions about the ease of use of the binoculars. Some mention that they are easy to use, great for quick setup, and imaging of the Moon. They are also great for beginners, and easy to do a decent conditional collimation. However, others say that the focus is cumbersome, the directions don't help at all, and the eye cups are a little cumbersom. The lens cover takes some effort to install, and there is no range of depth.

"...It will do the job you intended it to do. Contrast, acuity, ease of use/controls are all acceptable; you won't complain about it, but neither will..." Read more

"...What we needed was something that was easy to take along, easy to set up and easy to use. This fit the bill perfectly...." Read more

"...Same with putting them away. It is a very tedious task. Another flaw with the case is that is doesn't protect them from accidents...." Read more

"...them they should stay that way but it is fairly easy to do a decent conditional collimation on them if necessary, instructions on how to do that can..." Read more

164 customers mention48 positive116 negative

Customers find the binoculars too heavy and bulky for free hand use. They also say the bins are difficult to move around.

"...It's huge, and heavy. The pics show the 25x100, next to my 2yr old 20x80's (also excellent!)This puppy is way bigger!..." Read more

"...They are heavy on the tripod which makes them difficult to move around. In a perfect world I would leave them outside set up...." Read more

"...Along with binos comes a convenient carry case. Feels robust and good quality to me.Also there is no focus ring on this beast...." Read more

"...These binos are HEAVY so a sturdy tripod is recommended. The 20x80 is significantly heavier than my 15x70 set...." Read more

Stunning and well worth the money!!
5 Stars
Stunning and well worth the money!!
I bought the 25x100...You'll see a lot of people on here who are more than amateur hobby astronomers. If they criticize these binoculars... DON'T LISTEN TO THEM. Pro's should stick to fancier equipment.However, for us hobbyists, this thing is AMAZING!!First, I thought it was used or opened, because the tape on the box was open, but it wasn't, it was all snug inside.It's huge, and heavy. The pics show the 25x100, next to my 2yr old 20x80's (also excellent!)This puppy is way bigger! The views you get are better, closer, clearer. I attached my Galaxy S22 Ultra to the binoculars and zoomed way into the moon, and took pics of Jupiter and his Galilean moons, beautiful...You can see deeper space, as well.For the first time, I had better views of Saturn, still small, but a little better then the 20x80's. The focus is easier than the 20x80, you adjust each eye lens individually, I like that better. The only negative for me, is, the big lens covers aren't attached to these binoculars, like the 20x80's are, so you can possibly lose them.Otherwise, this is an amazing piece of equipment.The bag: I don't understand why nobody ever gives much info on the bag... it's important. They could've done better with it, for the price you pay, but, it gets the job done.The binoculars are in a padding that wraps around the binoculars and Velcros shut, then you insert that in the bag. It seems safe enough. What people don't usually say, is that not only can you carry it with the shoulder strap, but, you can take the shoulder strap off and pass it through the plastic hoops on the back of the bag, and carry these heavy binoculars as a back pack! I LOVE that! It's much better than carrying them over the shoulder, especially for us smaller people. There is also a small zipper pouch on the front of the bag, where I personally store my green laser light, that I use while stargazing.All in all, these binoculars are a wonderful way to exercise your astronomy and deep space hobby!!
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Top reviews from the United States

Reviewed in the United States on November 5, 2022
Style: SkyMaster 25x100 BinocularSet: BinocularsVerified Purchase
Customer image
5.0 out of 5 stars Stunning and well worth the money!!
Reviewed in the United States on November 5, 2022
I bought the 25x100...
You'll see a lot of people on here who are more than amateur hobby astronomers. If they criticize these binoculars... DON'T LISTEN TO THEM. Pro's should stick to fancier equipment.
However, for us hobbyists, this thing is AMAZING!!
First, I thought it was used or opened, because the tape on the box was open, but it wasn't, it was all snug inside.
It's huge, and heavy. The pics show the 25x100, next to my 2yr old 20x80's (also excellent!)
This puppy is way bigger! The views you get are better, closer, clearer. I attached my Galaxy S22 Ultra to the binoculars and zoomed way into the moon, and took pics of Jupiter and his Galilean moons, beautiful...
You can see deeper space, as well.
For the first time, I had better views of Saturn, still small, but a little better then the 20x80's. The focus is easier than the 20x80, you adjust each eye lens individually, I like that better. The only negative for me, is, the big lens covers aren't attached to these binoculars, like the 20x80's are, so you can possibly lose them.
Otherwise, this is an amazing piece of equipment.
The bag: I don't understand why nobody ever gives much info on the bag... it's important. They could've done better with it, for the price you pay, but, it gets the job done.
The binoculars are in a padding that wraps around the binoculars and Velcros shut, then you insert that in the bag. It seems safe enough. What people don't usually say, is that not only can you carry it with the shoulder strap, but, you can take the shoulder strap off and pass it through the plastic hoops on the back of the bag, and carry these heavy binoculars as a back pack! I LOVE that! It's much better than carrying them over the shoulder, especially for us smaller people. There is also a small zipper pouch on the front of the bag, where I personally store my green laser light, that I use while stargazing.
All in all, these binoculars are a wonderful way to exercise your astronomy and deep space hobby!!
Images in this review
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102 people found this helpful
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Reviewed in the United States on February 29, 2024
Style: SkyMaster 25x100 BinocularSet: BinocularsVerified Purchase
2 people found this helpful
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Reviewed in the United States on April 25, 2023
Style: SkyMaster 25x100 BinocularSet: BinocularsVerified Purchase
19 people found this helpful
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Top reviews from other countries

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Jonathan Jiménez Rivagorza
5.0 out of 5 stars UNA EXCELENTE COMPRA
Reviewed in Mexico on September 18, 2023
Style: SkyMaster 20x80 BinocularSet: BinocularsVerified Purchase
Mazin Al Moumen
5.0 out of 5 stars 25x100 Skymaster- Celestron
Reviewed in Canada on July 20, 2023
Style: SkyMaster 20x80 BinocularSet: BinocularsVerified Purchase
2 people found this helpful
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Brian Ribeiro
5.0 out of 5 stars Excelente custo benefício
Reviewed in Brazil on October 3, 2022
Style: SkyMaster 20x80 BinocularSet: BinocularsVerified Purchase
21 people found this helpful
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José Alberto
5.0 out of 5 stars Lo Mejor!!!
Reviewed in Mexico on June 16, 2021
Style: SkyMaster 25x100 BinocularSet: BinocularsVerified Purchase
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José Alberto
5.0 out of 5 stars Lo Mejor!!!
Reviewed in Mexico on June 16, 2021
Me encanta Celestron! Cómo podrán ver, tengo algunos artículos 25*100, 25*70 y 20*80

La referencia a este comentario es en base a los binoculares 25*100 es un artículo ya profesional no es para principiantes es muy pesado para maniobra por lo que se necesita de un buen tripié
Tiene mucho más profundidad que los otros binoculares que tengo, y mucha más definición... El precio estaba bastante accesible y la compra a meses sin intereses fue lo que terminó a animarme
Los recomiendo mucho si les gusta la astronomia
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2 people found this helpful
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Jean-François
5.0 out of 5 stars très bon matériel
Reviewed in France on December 13, 2023
Style: SkyMaster 25x100 BinocularSet: BinocularsVerified Purchase