Celestron SkyMaster 15x70 Binoculars | Telescope.com: Celestron

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Celestron SkyMaster 15x70 Binoculars

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These Celestron 15x70 binoculars boast four-element objective lenses for ultra sharp focus across the field of view
Multi-Coated binocular optics for sharp, clear views
Tripod adapter included and tripod use recommended for extended viewing
Long bincoualr eye relief ideal for eyeglass wearers
Carrying case included for travel and safe storage

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Item # 09116

Mfg Model # 71009

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Celestron's SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use — especially over long distances. Each SkyMaster model features high quality BAK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions.

The 15x70 version is one of the most popular models in the series. It offers serious large aperture light gathering in an affordable and reasonably lightweight configuration.

Warranty

This product is serviced and supported by its manufacturer according to the terms and conditions included in the packaged product. Orion's limited warranty does not apply. Please contact the manufacturer directly for technical support.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Specs

Best for viewing

Brighter deep sky
Magnification

Magnification

A measure of the enlargement of an object seen through an optical instrument. More specifically, it is a measure of the angle subtended by an image viewed with optical aid divided by the angle subtended by the same object without optical aid. Magnification is determined by dividing the focal length of the telescope (or binocular) by that of the eyepiece. Hence a telescope with a 1200mm focal length and an eyepiece of 40mm yields a magnification of 30x. The human eye is considered 1x magnification.

15x
Optical diameter

Optical diameter

The optical diameter (also known as aperture), is the size of the telescope's main light collecting lens or mirror, measured in millimeters or inches. As the diameter increases, more light is collected and the resolution increases.

70mm
Field of view - angular

Field of view - angular

The field of view expressed as part of a 360-degree circle. Holding your pinky finger out at arms length is approximately 1-deg wide. To convert this to the linear measurement of "feet at a thousand yards", multiply by 52.5. For example, at 1000 yards distance, a 7-deg binocular will see a width of 367.5 feet (7 x 52.5)

4.4°
Field of view - linear

230.0 ft./1000 yd
Apparent field of view

Apparent field of view

The edge-to-edge angular diameter of the light emerging from the eyepiece as seen by the eye. It is an inherent specification for a given eyepiece type or design. The apparent field of view of an eyepiece is directly related to the true field of view seen through the telescope; for a given focal length eyepiece, the greater the eyepiece's apparent field of view, the greater area of sky will be seen.

66.0°
Eye relief

Eye relief

The distance, measured in millimeters, between the observer's eye and the eyepiece lens in which the entire field of view remains visible. Eye relief varies with the optical design but generally increases with decreasing magnification. Long eye relief is advantageous for observers who wear glasses, as they don't have to put their eye directly on the eyepiece to see the entire field of view, nor do they have to remove their eyewear.

18.0mm
Exit pupil

Exit pupil

The diameter of the circle of light exiting the telescope eyepiece. It appears as a distinct disk when the telescope is pointed at a bright source like the Moon. Also known as the Ramsden disk, the exit pupil varies with both aperture and magnification.

4.7mm
Near focus

Near focus

The minimal distance at which a binocular and/or spotting scopes can attain focus. Near focus is an important quality for bird watchers and wildlife devotees who want to get as close as possible to their quarry.

43 ft.
Coatings

Coatings

Lenses are coated with an antireflective material to ensure that as little light as possible is reflected away, so more gets to your eye. Good lenses are at least "fully coated," with a single layer of magnesium fluoride applied to each air-to-glass lens surface. Multiple layers of coatings are even more effective; the term "multi-coated" means one or more lens surfaces have multiple coatings. "Fully multi-coated" is even better, meaning that all lens surfaces are multiple-layer coated. Mirror star diagonals are coated with a reflective material similar to telescope mirrors in order to reflect the light into the eyepiece. Standard aluminum coatings reflect between 88%-92%, and enhanced aluminum reflects 97%. Dielectric coatings use a different process to deposit a coating that reflects 99% of the light. In addition to the higher reflectivity, Dielectric coatings are much more durable than aluminum coatings, so they last longer and can be cleaned with less risk of damage.

Multi-coated
Prism

Prism

Porro Prisms: A binocular prism system that contains two right-angle prisms in each barrel offset from one another, requiring that the objective lenses be spaced further apart than the eyepieces. Optically, porro prisms often perform better than their roof prism counterparts. Roof Prisms: A compact binocular prism system that allows the objective lenses to line up directly with the eyepieces and hence yields a more portable binocular. Roof prism binoculars lose slightly more light to reflections than porro prism binoculars. High-quality roof prism binoculars compensate for this with special optical coatings.

BAK-4 Porro
Interpupillary distance range

Interpupillary distance range

The distance between the two pupils of an observer's eyes. Binoculars can be adjusted to accommodate variations in a person's interpupilary distance.

56mm - 72mm
Focus style

Center focus
Tripod adaptable

Yes
Diopter adjustment

Yes
Weight

3.0 lbs.
Warranty

Limited lifetime

Shipping Info

Orders received by noon Pacific Time for in-stock items ship the same business day. Orders received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. This charge varies based on the shipping method.

Standard Delivery: $0.00
3 Day Air Delivery: $5.00
2 Day Delivery: $5.00
Next Day Delivery: $5.00

Reviews

Celestron SkyMaster 15x70 Binoculars

Rating??

3.8 / 5

Open Ratings Snapshot

Rating Breakdown 11 Reviews

5 stars

5

4 stars

3

3 stars

1

2 stars

0

1 star

2

Optical Quality??

4.7 / 5

4.7 / 5

Mechanical Quality??

4.7 / 5

4.7 / 5

Ease of Use??

5 / 5

5 / 5

Value??

5 / 5

5 / 5

3 out of 3(100%)reviewers recommend this product.

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11

11 The Celestron SkyMaster 15x70 features a four-element objective lens for ultra sharp focus throughout the field of view. Multi-coated lenses and BAK-4 prisms provide an extremely clear and high contrast image, ideal for observing the night sky.

Rating??

3.8 / 5

Open Ratings Snapshot

Rating Breakdown 11 Reviews

5 stars

5

4 stars

3

3 stars

1

2 stars

0

1 star

2

Optical Quality??

4.7 / 5

4.7 / 5

Mechanical Quality??

4.7 / 5

4.7 / 5

Ease of Use??

5 / 5

5 / 5

Value??

5 / 5

5 / 5

3 out of 3(100%)reviewers recommend this product.

Read all 11 reviews

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Product reviews

Click on filters to refine your results.

Ratings summary

Rating??

3.8 / 5

Open Ratings Snapshot

Rating Breakdown 11 Reviews

5 stars

5

4 stars

3

3 stars

1

2 stars

0

1 star

2

Optical Quality??

4.7 / 5

4.7 / 5

Mechanical Quality??

4.7 / 5

4.7 / 5

Ease of Use??

5 / 5

5 / 5

Value??

5 / 5

5 / 5

3 out of 3(100%)reviewers recommend this product.

Read all 11 reviews

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Product ReviewsWrite A Review

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Rating??

5 / 5

Celestron 15X70 Binoculars

PostedNovember 2, 2010

Top 500 contributor
This reviewer is considered a top contributor due to the number and helpfulness (as voted on by readers like you) of the reviews they have submitted.
Top 500 contributor

Strong construction, good optics, very good durable item. These binos hit the sweet spot and can be hand-held or tripod mounted. Theses binos make for a very good portable viewing instrument. Well worth the price I paid.

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Rating??

4 / 5

Good Value!

PostedMarch 29, 2012

from??Boston,MA

Owned this product for:Less than 3 mos

Optical Quality??

4 / 5

4 / 5

Mechanical Quality??

4 / 5

4 / 5

Ease of Use??

5 / 5

5 / 5

Value??

5 / 5

5 / 5

The SkyMaster 15x70 Binoculars are a good value for their price.

Excellent light-gathering ability, will enable viewing of deeps-sky objects at small magnification levels, even in mildly light-polluted suburban areas. Spotted M42 (Orion's Nebula) easily on a first try.

Cannot speak to quality of the collimation, I was not able to resolve stars to point objects, but as I wear glasses, that is the most likely cause. For the lower standard needed by terrestrial use, collimation was definitely good.

Given that the magnification is above 10, you should factor in using a tripod to stabilize the binoculars for astronomical use - your arms won't do. This unit comes with a plastic bracket, which flexes along its longitudinal axis and is effectively useless, will shake at the lightest touch or from the barest of winds -- do yourself a favor and order a metal bracket right away if you plan to watch the sky with it.

This unit comes with a very basic bag, which is useful for dust protection in storage, and very solid rubber lens caps.

Pros: good value, nice optics

Cons: tripod bracket is useless

Yes, I recommend this product!

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Rating??

5 / 5

Well worth the cost

PostedJanuary 13, 2012

from??Lakeland, FL

Owned this product for:Less than 3 mos

Optical Quality??

5 / 5

5 / 5

Mechanical Quality??

5 / 5

5 / 5

Ease of Use??

5 / 5

5 / 5

Value??

5 / 5

5 / 5

Well worth the investment. And it's a good way to start in Astrnomy.

Favorite viewing location:??Yard

Favorite object to observe:??Orion

Yes, I recommend this product!

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Rating??

5 / 5

Affordable and no problems.

PostedApril 19, 2011

from??St. Louis Metro

Owned this product for:6 mos - 1 year

Optical Quality??

5 / 5

5 / 5

Mechanical Quality??

5 / 5

5 / 5

Ease of Use??

5 / 5

5 / 5

Value??

5 / 5

5 / 5

User submitted photo

We are weekend warrior observers. For such an affordable bino I was surprised by it's quality. With an Orion HD-F2 tripod my 7 year old son and I couldn't be happier. The moon is awesome with the craters and mountains jumping out at you. Also good for daytime viewing down at the lake. The Orion nebulae looks like two bright headlights in the fog. If you live in a light polluted area you'll be amazed when you point these binos into the heavens.

Favorite object to observe:??Star clusters

Yes, I recommend this product!

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