6 Best 20×80 Binoculars for Astronomy and Stargazing

If you are on the market for the best 20×80 Binoculars for Astronomy, this review is for you.

20×80 binoculars have a huge magnification and objective for astronomy and long-range.

These binoculars are also a  favorite among astronomers who love viewing the universe in dim conditions.

You are assured of high contrast and brightness with sharp resolution images of the Moon, planets, star clusters, and more.

Now let’s look at the best 20×80 Binoculars for Astronomy on the market.

Best 20×80 Binoculars for Astronomy


1) Celestron SkyMaster 20x80mm Porro Binocular

Celestron – SkyMaster 20X80 Astro Binoculars



If you are into astronomical or terrestrial viewing, you will need a pair of binoculars that are built and engineered to meet your specific needs and that is what this Celestron -SkyMaster 20X80 Astro Binoculars brings to the table.

These binoculars deliver great performance regardless of the weather condition. They have premium quality BaK-4 prisms and optics that are multi-coated to enhance contrast and give bright and sharp images even in low-light conditions.

Other incredible features include 20x magnification and a tripod adapter for portability and hands-free use making them super convenient.

Besides that, they have a rugged and armored body for protection and a secure gripping surface. This means that they are robust and durable. The binoculars also have soft rubber eyecups that block stray light and ensure comfort.

The eyecups can also be folded for a comfortable viewing experience even for users who wear glasses.


  • Multicoated optics
  • 80mm objective lens
  • Bright and sharp Images
  • Eyeglass friendly and comfortable
  • Integrated Tripod Adapter Rod
  • BaK-4 prisms guarantee brilliant light transmission
  • Water-resistant and robust
  • -4 to +8 Diopter range
  • 108 feet close focus
  • 3.7° field of view
  • 195 Field of View (feet @ 1000yds)
  • 18mm eye relief
  • Folding eyecups
  • Include an objective lens cap, rain guard, neck strap, sumptuous carrying case, and instruction manual


2) BARSKA Gladiator 20-140×80 Zoom Binoculars

BARSKA Gladiator 20-140x80 Zoom Binoculars



These BARSKA Gladiator 20-140×80 Zoom Binoculars are powerful and very effective for long-range astronomical and terrestrial viewing.

The 20-140x magnification range is capable of a large field of view and zooms in on the desired object for a closer look. Using the zoom thumb-lever, you are able to speedily zoom in or out without taking your eyes off the binoculars.

The huge 80mm objective increases light transmission in dim conditions delivering amazing views both day and night. For superior clarity and improved detail, the binoculars have multi-coated lenses and Bak-4 prisms.

Additionally, they have waterproofing and fog-proofing capabilities thanks to the O-ring seals and argon purging. This basically means that they are ideal to use in all weather conditions.

These binoculars are tripod adaptable for stability and comfortable viewing. They are convenient to carry as they come with a carrying case and neck strap. A rubber armor coating provides protection and a slip-free grip.


  • Waterproof and fog proof
  • 20 -140x magnification
  • Can be attached to a tripod for a more comfortable viewing session
  • 80mm objective lens gathers more light for clearer images
  • 54ft/18m @20x -FOV
  • Multi-coated optics for maximum light transmission
  • Bak-4 Porro prisms enhance the details of the view
  • Eyecups can be folded down
  • Rubber armor coating
  • Variable magnification range for easy targeting
  • Perfect for long-distance astronomical and terrestrial view
  • Works well even in dim conditions
  • 87ft / 29m close focus


3) Orion 20×80 Astronomy Binoculars

Orion 20x80 Astronomy Binoculars


These binoculars are perfect for viewing the moon, sky objects and chasing open star clusters. The giant 80mm objective lens delivers excellent light for spectacular views.

Optics are fully multi-coated and premium quality Bak4 prisms will ensure there is an optimal light transmission that results in clear and crisp views.

The long 17mm eye relief enhances a comfortable view even for eyeglass wearers. For prolonged stargazing sessions, the tripod L-adapter comes in handy for a hands-free and convenient operation.


  • 20x magnification
  • 80mm optical diameter
  • 3.2° angular field of view
  • Premium quality BaK4 Porro prism
  • 17. mm eye relief
  • 4.0mm Exit pupil
  • Includes a soft carrying case, objective, and eyepiece dust caps and neck strap
  • Fully multi-coated optics
  • Include soft carrying case and dust caps
  • Linear field of view –  168.0 ft./1000 yd
  • Apparent field of view 64.0°
  • 60 ft. near focus
  • Interpupillary distance range 56mm – 72mm
  • Center focus


4) Celestron 20×80 SkyMaster Pro High Power Astronomy Binoculars

Celestron 20x80 SkyMaster Pro High Power Astronomy Binoculars



These binoculars have a large 80 mm objective lens for optimal image brightness in dim conditions. All air-to-glass surfaces are multi-coated with XLT coating technology, with Bak 4 prism, you get remarkable resolution.

Made to be durable, these binoculars have a robust yet exquisite design that offers tough protection and a professional premium-quality look. The eyecups are cushy to use and can be folded down for users with eyeglasses.  Better yet, they have an in-built tripod adapter for easy tripod attachment for extra stability and comfort.

They are also lightweight and easy to pack and carry. They are also waterproof so that you have peace of mind even when caught up in the rain unexpectedly.

Their 20x magnification make them suitable for observing celestial objects in more detail, searching for wildlife in the bush, or viewing objects at a distance.


  • Waterproof and nitrogen purged
  • Lightweight yet durable
  • Huge 80mm objective lenses
  • Field of View, Linear: 168 ft at 1000 yds
  • Porro Prism System
  • BAK4
  • Eye Relief: 15.5 mm
  • Close Focus: 65.6 ft
  • Exit Pupil: 4 mm
  • Field of View, Angle: 3.2 degrees
  • Center Focus
  • Twilight Factor: 40
  • Interpupillary Distance: 56 – 72 mm
  • Rubber armor enhances ergonomics and protection
  • Multi and XLT coatings
  • Eyecups are comfortable to use
  • In-built tripod adapter
  • Perfect for dusk, dawn, and astronomical viewing at night
  • 20x magnification brings those beautiful images closer


5) Zhumell 20×80 Giant Astronomical Binoculars

Zhumell 20x80 Giant Astronomical Binoculars


Zhumell 20×80 Giant Astronomical Binoculars are a great deal for Astronomy. The 20x magnification is perfect for terrestrial and astronomical viewing.

The exterior is robust and armored for protection and has a secure gripping surface as well. The optics are fully multi-coated and combined with the Bak4 prism, you get nothing but outstanding light transmission. The huge field of view works great for crystal clarity.

The binoculars are lightweight and easy to carry. Focusing is easy with the huge center wheel that effortlessly and quickly adjusts to meet all your astronomy needs. Besides that, they have rubber eyecups that are soft and foldable eyeglass wearers.


  • Fully multi-coated optics
  • Lightweight design
  • Tripod mountable
  • Comfortable and Eyeglass Friendly
  • Easy to focus
  • Soft rubber eyecups
  • 20x magnification
  • 3.3° field of view
  • 168 Field of View (feet @ 1000yds)
  • BaK4 Prism Material
  • -4 to +8 Diopter Range
  • 70 feet Close Focus Distance
  • 17 mm Eye Relief
  • Quick and Easy Focusing


6) LUXUN 20X80 Astronomy Binoculars

LUXUN 20X80 Astronomy Binoculars


These binoculars are best described as quality, functional and reliable. The 80mm objective lens uses optical FMC multilayer broadband green film for long-range viewing.

BaK-4 prism material covers to ensure maximum light transmission delivering images with high contrast and clarity. The eyecups fold for lens protection and convenience for eyeglass wearers.


  • Powerful 20x magnification
  • 80MM large objective lens
  • Fully multi-coated optics
  • BaK-4 prism
  • Folding eyecups
  • Durable construction
  • Come with a carrying case
  • Deliver amazing viewing sessions
  • Slip-free shell


See Also


Choosing the Best 20×80 Binoculars for Astronomy

  1. Purpose-Binoculars are used for a wide range of uses, from astronomy, hunting, fishing, boating, wildlife observation, and more.20×80 binoculars are chosen by many astronomers thanks to their long-range and low-light conditions capabilities. Other important considerations for astronomy binoculars are tripod compatibility, multicoated lenses, and durability.
  2. Weight-Lightweight binoculars are easy to carry if you are a traveler astronomer or if you are always on the move, they are also easy to pack and store. Keep in mind that the lighter the unit, the easier it is to move around with. The reviewed products above are lightweight and very convenient in matters of weight.
  1. Tripod-Tripods are necessary for celestial viewing. The human hand is not steady enough to take precise looks at celestial objects. A unit with a built-in tripod mounting hardware makes your life much easier. Tripods make viewing comfortable and stable.
  1. Anti-reflective coatings-Glass naturally reflects light so not all of it makes its way through. To avoid this issue, the best binoculars come with anti-reflective coatings on the glass element. The better the quality and more layers of coating applied, the better. This helps you see images more brightly and clearly. The coatings can either be fully coated, multi-coated or fully multi-coated.
  1. Field of view-Field of view measures how much of the sky a pair of binoculars will show you when you look through them. The field of view measurement is provided by an angle in degrees or as a width in feet of the image at 100 yards. The wider the field of view, the more you are able to see.


  • Allows the use of both eyes-This makes it more comfortable and helps see the objects more easily and in a more detailed way.
  • A wide field of view-This helps the user see more of the sky at any one time. It also enables the user to move around the sky and isolate things more easily.
  • Easy to maintain-Binoculars do not require any set up, management or storage
  • Easy to use-They are pretty easy to use by kids and adults as well.
  • Waterproof and fog proof-This makes them ideal to use in all weather conditions
  • Coated optics-This allows maximum transmission of light for brighter and clearer images.

Best 20×80 Binoculars for Astronomy FAQs

  1. What can I see with 20×80 binoculars?

These binoculars provide an inspiring view of celestial objects such as the moon and star clusters that would otherwise be unclear and less detailed with the naked eye.

  1. Can I use binoculars to see planets?

Binoculars improve your view of a planet near the moon. For instance, two planets near each other in the twilight sky can be seen in a crescent phase using good optical quality binoculars.

  1. Can the moon be seen with binoculars?

Yes. The best views of the moon can be seen through binoculars. The units are ideal for viewing the moon especially if you want to see the full lunar disc and want a quick view with less set-up time. Binoculars are usually portable as well.


We hope our review is detailed enough and comprehensively covers the best 20×80 binoculars for astronomy. The above-reviewed products are the best on the market. Whether for long-distance, low-light conditions, for beginners, kids or adults these are your best choices.