Celestron SkyMaster 20×80 Binoculars Review

When it comes to astronomical viewing and/or long range terrestrial observing, these Celestron SkyMaster 20×80 large aperture binoculars is an economical and excellent choice. These binoculars offer the utmost image brightness in long-range and low-light conditions with 20x magnification and a massive 80 millimeter objective lens. An extremely firm grip and protection are also offered by the protective rubber covering.

They can also be easily focused across the field of view, with enhanced contrast, all thanks to its multi-coated optics. A tripod adapter has also been integrated into it so it can also be mounted onto a tripod for stability. These binoculars also come with a soft case for convenient carrying and safe storage. Here is the Celestron SkyMaster 20×80 Binoculars Review:

Features of the Celestron SkyMaster 20×80 Binoculars

Celestron SkyMaster 20×80 is designed to meet the needs of the consumers. After hours of research, testing and analyzing the features, we put Celestron SkyMaster 20×80 Binoculars is a one of the best in our Astronomical List.

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4-Millimeter Exit Pupil

The “exit pupils” of these binoculars measure 4 millimeter and are surrounded by 20 millimeter eyepieces, which look quite large. The “eye relief” is 15 millimeter so getting a well-focused broad view will be possible even for those wearing spectacles. To get critical sharp focus, both those eyepieces can be rotated individually through 450 degrees.

Unlike lower-power binoculars, the Celestron SkyMaster 20×80 does not include “diopters.” These binoculars can be regarded as consisting of two side-by-side 80 millimeter refractor telescopes, with built-in image-erecting prisms, and individual non-removable eyepieces.

Massive 80 Millimeter Objective Lens

At the other end, looking through the 80 millimeter objective lenses will reveal that the barrels of these Binoculars have quite the well-knurled interiors. The tubes have small raised rings down their length, which diffuse light, so that late-arriving rays do not interfere and scattered light is reduced, since it can compromise an image.

Unlike many telescopes, these binoculars will provide you an upright view rather than a reverse left-to-right one, so it can even be used during the day.

Multi-Coated Glass/Lens

Fully multi-coated optics is featured by these binoculars, ensuring that optimum light reaches the eyes and this is the reason that the brightness, contrast and sharpness of the image are always the best. These binoculars also have a large Aperture, so this makes them very useful in low light conditions, including stargazing.

These binoculars are also equipped with the BaK-4 prisms, which feature phase correction, so all wavelengths of light are able to pass through and the fullest image possible is provided.

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20x Porro Prism Magnification

These binoculars offer 20x porro prism magnification, which is quite impressive and practical. Porro prisms tend to be bulkier and pairing them results in a tube design, which bends out at a certain angle.

Porro prisms tend to be larger than roof prisms and this is the reason that the Celestron SkyMaster 20×80 has the classic bulged tube design.Despite its small package, these binoculars bring telescope-like magnification, capable of focusing on objects as far as six miles.

Long Eye Relief For Spectacles Wearers

Celestron apparently kept individuals who wear spectacles in mind while designing these binoculars, so they come with 13 millimeters of eye relief. That space is sufficient enough even for the thickest of spectacles and the length is also excellent to ensure that pressing these binoculars to the face will not cause any discomfort.

They eyecups are also cushioned, so it will not prove to be uncomfortable to look through these binoculars for long periods of time

Tripod Adapter For Stability

It is a fact that most people tend to use binoculars outdoors, and these binoculars can be used out in the open quite conveniently. The Celestron SkyMaster 20×80 is equipped with a finder rail and tripod adapter, So these binoculars can be easily mounted onto a tripod.

Which means that you will be able to continue viewing your desired objects for extended periods of time Since your view will be stabilized, so you will be able to freely enjoy your surroundings.

Celestron SkyMaster 20×80 Binoculars Review — Video

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  • These compact binoculars are relatively lightweight and can be mounted onto a tripod.
  • The magnification offered by these binoculars is tremendous.
  • These binoculars come with a deluxe padded carrying case.
  • Even those wearing spectacles can use these binoculars without removing their glasses.


  • While the carrying case will come in handy, it is a bit of a let down because having a lined, solid shock-resistant case would have been better.

Some of Its Features Included

  • SkyMaster 20×80 Binocular
  • Tripod adapter with Finder Rail
  • Objective Lens Caps
  • Rainguard
  • Neck Strap
  • Lens Cloth
  • Instruction Manual

Product Specifications

  • Prism Type — Porro
  • Magnification — 20x
  • Objective Lens Diameter — 80mm
  • Angle of View — 3.2°
  • Field-of-View — 168′ @ 1000yd / 55.78m @ 1000m
  • Minimum Focus Distance — 80.0′ / 24.38m
  • Exit Pupil Diameter — 4.0mm
  • Eye Relief — 17mm
  • Focus Type — Center
  • Tripod Mount — Yes
  • Dimensions — 10.0×3.6×12.6″ / 25.40×9.14×32.00cm
  • Weight — 5.86lb / 2.66kg
  • Shipping Weight — 7.5 pounds
  • Customer Review — 4.1 out of 5 stars
  • Warranty — Lifetime “No Fault”

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Frequently Asked Questions

Q: How strong are these binoculars?
 A: The strength of these binoculars can be judged from the fact that the faces of people can be identified at a half a mile (Celestron SkyMaster 20×80 Binoculars Review).

Q: Do these binoculars accommodate eyepiece filters?
 A: Although eyepiece filters are not accommodated by these binoculars, solar filters can be purchased by the objective lenses.

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Final Verdict

The bottom line is that when it comes to astronomical viewing and long range terrestrial observing, the Celestron SkyMaster 20×80 large aperture binoculars are sure to offer phenomenal performance. These binoculars can be conveniently carried along and you can get closer to nature with it. Above all, it will provide you the best value for money at a reasonable price.

Originally published at bestbinocularforhunting.com on October 16, 2015.

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