Celestron 18-40x80 SkyMaster Zoom Binoculars

BH #CE1840X80SM • MFR #71021
Celestron 18-40x80 SkyMaster Zoom Binoculars
Key Features
  • Traditional BAK4 Porro Prisms
  • Anti-Reflection Multi-Coated Optics
  • Wide and Versatile Zoom Capability
  • Weather-Resistant Armored Housing
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Equipped with an oversized aperture and a powerful zoom range, the Celestron 18-40x80 SkyMaster Zoom Binoculars are an ideal choice for long-duration astronomical or long-distance terrestrial (land) use. The large objectives ensure volumes of light are gathered to see better than smaller-aperture models, and the easy zoom lever allows you to set the binoculars on low power to easily find your subject, then zoom in to make detailed up-close observations. These binoculars were engineered with an exceptionally long eye relief to make them comfortable to look through for extended periods of time, while limiting eye strain. Because of the size and weight of the SkyMaster binoculars, Celestron engineered them with a center stabilizer bar and an adjustable tripod mount to provide a hands-free option and relieve arm strain, reduce fatigue, and limit vibrations.
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$148.70
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Celestron 71021 Overview

  • 1Description
  • 2Optical Performance
  • 3Use and Handling
  • 4Construction Details

Equipped with an oversized aperture and a powerful zoom range, the Celestron 18-40x80 SkyMaster Zoom Binoculars are an ideal choice for long-duration astronomical or long-distance terrestrial (land) use. The large objectives ensure volumes of light are gathered to see better than smaller-aperture models, and the easy zoom lever allows you to set the binoculars on low power to easily find your subject, then zoom in to make detailed up-close observations. These binoculars were engineered with an exceptionally long eye relief to make them comfortable to look through for extended periods of time, while limiting eye strain. Because of the size and weight of the SkyMaster binoculars, Celestron engineered them with a center stabilizer bar and an adjustable tripod mount to provide a hands-free option and relieve arm strain, reduce fatigue, and limit vibrations.

Optical Performance

  • Broad and powerful 18-40x zoom magnification
  • Large, oversized 80mm objective lenses
  • Traditional Porro prism light path
  • BAK4 prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion
  • Multi-coated optics improve light transmission, color rendition, and contrast
  • Locate a subject more easily on low-power, then zoom in for a close-up view
  • 96-foot field of view at 1000 yards on 18x power
  • Long 20.3mm eye relief at 18x power
  • Exit pupil: 4.4mm at 18x; 2mm at 40x

Use and Handling

  • Large center focusing wheel is easy to manipulate, even when wearing gloves
  • Right-eye dioptric correction
  • Fold-down rubber eyecups for comfortable use with or without eyewear

Construction Details

  • Integrated center stabilizer bar adds rigidity while keeping the optical tubes parallel for improved views
  • Built-in tripod adapter on stabilizer bar reduces vibration and arm fatigue, and can be moved forward or back to precisely balance the binoculars on the tripod/head
  • Protective rubber armoring provides a slip-resistant grip
  • Textured palm-pads improve grip security and stability
  • Weight: 4.75 pounds
UPC: 050234710213

Celestron 71021 Specs

Prism TypePorro (BAK4)
Performance
Magnification18 to 40x
Objective Lens Diameter80 mm
Angle of View18x: 1.9° (Actual)
Field of View18x: 96' @ 1000 yd / 31.87 m @ 1000 m
Minimum Focus Distance106.2' / 32.4 m
Exit Pupil Diameter18x: 4.4 mm
40x: 2 mm
Eye Relief18x: 20.3 mm
Diopter AdjustmentYes
Focus TypeCenter
Features
Water ResistanceWater Resistant
General
Dimensions14 x 9 x 4.7" / 35.56 x 22.86 x 11.94 cm
Weight4.76 lb / 2.16 kg
Packaging Info
Package Weight7.2 lb
Box Dimensions (LxWxH)17.7 x 11.8 x 7.9"
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No, the SkyMaster DX 9x63 is not the Ultima DX model. The binocular cannot be collimated unless taken apart by a factory trained technician. Sincerely, Garrett at Celestron
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Date published: 2019-07-02

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Hi I am from Australia, I recently purchased brand new Celestron skymaster 8x56, does it come with any warranty?
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Yes they come with a Celestron No Fault Limited Lifetime Warranty.
Answered by: John P.
Date published: 2018-08-27

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What is the difference between Celestron SkyMaster 9x63 and Celestron SkyMaster 9x63 Ultima DX ?
Asked by: Anonymous
What exactly is a limited-lifetime no excuse warranty?
Answered by: Anonymous
Date published: 2018-08-27

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I have a Manfrotto 394 aluminum tripod with a quick release ball head for my film camera. Will the Celestron Sky-Watcher 8x56 binoculars mount to this tripod with the use of the Celestron tripod adapter? Thanks!
Asked by: Anonymous
Yes this set up will be compatible on your Manfrotto Tripod you have. The threading on the adapter fits 1/4 -20 threading, which is the size your ball head has.
Answered by: Alex S.
Date published: 2018-08-27

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What tripod can be used with the Celestron Skymaster 8 x 56 DX?
Asked by: Michael B.
You can use any tripod and this binocular adapter.I don't use a tripod, because this binocular is very stable.
Answered by: ALEXANDRE Z.
Date published: 2018-08-27

question

The zoom scale is displayed in seven points between 15 and 35 times.What is the scale of each point?
Asked by: Seunghoon j.
Vocês enviam para o Brasil...?? Quanto custa o frete..?? Obrigado.
Answered by: Amauri
Date published: 2019-05-13

question

1. Best Astronomy Binoculars 2015 (Editors' Choice) listed Celestron SKY MASTER 8x56. This is Celestron SKY-WATCHER 8x56. Are this different models?2. A video review of the Celestron SKY MASTER shows a dioptric adjstment on the right eyepiece yet the specs on this SKY-WATCHER says none for diopric adjustment. What gives? Is one and older model?
Asked by: Peter W.
Peter-1. I think the denotation 'sky-watcher' may be a mistake on the part of B&H's listing. If you search 'sky watcher' in the B&H store, these 8x56 binoculars (the same ones I ordered from B&H, which bear the name 'sky master' in the same spot in which 'ultima dx' is written on the model photographed in the store listing) are the only celestron product which pops up. Search 'skymaster' and you get many celestron results. To conclude a long winded explanation: I am confident this is not a different model, aside from what little logo is inscribed on the left prism barrel.2. There is indeed a right dioptric adjustment. The pair sitting on my desk here were ordered March 2014, and I doubt they would remove the feature. Again, probably just a mistake in the store listing.Hope that helps. They are excellent mid-range binoculars, and are great for star-gazing.
Answered by: Nicholas V.
Date published: 2018-08-27

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Does the Celestron 8x56 SkyMaster DX binocular have a tripod mount? The spec sheet says yes but a reviewer says no . Who is wrong?
Asked by: James B.
Thank you for bringing this to our attention. This model does not have a threading for a Tripod Adapter. I will alert our Web Team on this. The correct type of Tripod Adapters that will work are Strap Like Adapters. For example the Bushnell Universal Tripod Mount for Binocular would work. Website link: http://bhpho.to/2bzWmvD
Answered by: Alex S.
Date published: 2018-08-27
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