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Vixen  |  SKU: ES14304

Vixen Astronomy Binoculars BT-81S-A

$1,326.99

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 Unmatched Clarity and Comfort for Stargazing

 

Want unparalleled clarity? Get the Vixen BT-81S-A binoculars that will help you achieve stunning images without chromatic aberration or strain.

 

Features

  • Optimal Aperture and Focal Length: 81mm aperture and 480mm focal length provide a wide, bright field of view for both celestial and terrestrial observation.
  • Comfortable Viewing Angle: 45-degree angled viewing design and permanently attached diagonals ensure prolonged, comfortable sky-watching sessions.
  • Superior Optical Coating: Magnesium fluoride coating minimizes chromatic aberration, enhancing color fidelity and clarity for stunningly clear images.
  • Versatile Eyepiece Compatibility: Accommodates standard 31.7 mm (1.25 inch) eyepieces, allowing you to customize your viewing experience to suit your specific needs.
  • Lightweight and Durable Construction: Weighs only 9 lb (4.1 kg) with a robust aluminum body, making it easy to carry on your next adventure while ensuring long-lasting durability.
  • Exceptional Quality of View: Experience stunning views of the Moon's terminator, gaseous nebulae, vibrant star clusters, and passing comets, all rendered in sharp, contrast-rich images.

The Vixen Astronomy Binoculars BT-81S-A is for You If…

  • You Demand Unparalleled Clarity: You want binoculars that provide sharp, clear images without chromatic aberration, ensuring the best possible viewing experience.
  • You Need Portability and Ease of Transport: You seek high-performance optical equipment that is lightweight and easy to carry on outdoor excursions.
  • You Value Versatility in Eyepiece Compatibility: You need binoculars that can accommodate a variety of eyepieces and mounts, allowing for a customizable viewing experience.
  • You Require Durability for Outdoor Conditions: You want binoculars made from high-quality, durable materials that can withstand harsh environmental factors during your adventures.
  • You Desire Prolonged Comfortable Viewing: You are looking for binoculars designed for extended use, with features like angled viewing and comfortable eyepiece sockets to reduce strain during long observation sessions.
  • You Enjoy Both Celestial and Terrestrial Observation: You seek a versatile optical instrument that performs excellently in both stargazing and nature observation.

 

Imagine gazing at the night sky, each star and celestial object rendered in breathtaking detail. With the Vixen Astronomy Binoculars BT-81S-A, you can achieve unparalleled clarity, free from the chromatic aberration that plagues lesser optics. Its superior magnesium fluoride coating and air-spaced doublet achromatic objective lens ensure your observations are sharp, vibrant, and true to life.

We understand the importance of comfort during extended observation sessions. The 45-degree angled viewing design and permanently attached diagonals reduce neck and eye strain, allowing you to immerse yourself in the beauty of the universe for longer periods. Despite its robust construction, the BT-81S-A weighs only 9 lb (4.1 kg), making it easy to carry on your outdoor adventures.

Versatility is key for any serious observer, and the Vixen BT-81S-A excels here. It accommodates standard 31.7 mm (1.25 inch) eyepieces, giving you the freedom to customize your viewing experience. Whether you're a seasoned astronomer or a nature enthusiast, these binoculars adapt to your needs, providing exceptional performance in any scenario.

Durability is paramount for those who explore the great outdoors. The BT-81S-A's robust aluminum body and included protective dew caps ensure your optics remain pristine, even in harsh environmental conditions. This reliability means you can focus on your observations without worrying about your equipment.

 

Explore the Universe in Stunning Detail

With the Vixen Astronomy Binoculars BT-81S-A, you can delve into a world of breathtaking celestial and terrestrial wonders. Marvel at the Moon's terminator, revealing its craters and surface details with remarkable clarity. Observe the bands and moons of Jupiter, Saturn's iconic rings, and vibrant star clusters like the Pleiades. Discover the intricate beauty of nebulae, distant galaxies, and passing comets, all brought to life with exceptional sharpness. On Earth, enjoy crisp views of distant mountains, wildlife, and architectural marvels. Every observation becomes a vivid, unforgettable experience with the Vixen BT-81S-A.

 

Essential Accessories Included

The Vixen Astronomy Binoculars BT-81S-A come equipped with thoughtfully designed accessories that elevate your observation sessions. The integrated carry handle ensures effortless transport, allowing you to comfortably take your binoculars on all your adventures. For precise targeting, the integrated finderscope dovetail bracket offers easy attachment of a finderscope, helping you quickly and accurately locate celestial objects. Additionally, the protective dew caps keep your lenses clear of moisture and dust, maintaining optimal performance in various environmental conditions.

 

What Reviewers Across the Web Are Saying...

Customer Favorites: Reviewers across the web are highly satisfied with the Vixen BT-81S-A binoculars, praising their exceptional image quality. Customers highlight the sharp, clear views with minimal chromatic aberration, attributing this to the advanced magnesium fluoride coating and air-spaced doublet achromatic objective lens. This high optical quality makes the binoculars ideal for both stargazing and nature observation​

 

Unlock the Extraordinary

Don't settle for ordinary binoculars when you can have the extraordinary. The Vixen BT-81S-A delivers stunning views of the Moon's terminator, vibrant star clusters, and distant wildlife with unmatched clarity and comfort. Elevate your observational experience and unlock the wonders of the universe and nature with the Vixen Astronomy Binoculars BT-81S-A.

 

Enhance Your Viewing with Recommended Accessories

To maximize the performance and convenience of your Vixen BT-81S-A binoculars, consider adding these highly recommended accessories. The Vixen HF2 Fork Mount provides a stable and secure platform for your binoculars, ensuring smooth and precise adjustments during your observations. Its robust design is perfect for both celestial and terrestrial viewing, allowing you to effortlessly track objects across the sky or horizon.

Pair your fork mount with the Vixen SXG-HAL130 Aluminum Tripod, which offers a lightweight yet sturdy support system. This tripod is designed to withstand various environmental conditions while providing the stability needed for clear, shake-free images. Its adjustable height and durable construction make it an ideal companion for your Vixen BT-81S-A binoculars, whether you're observing from your backyard or a remote location.

For those looking to enhance their observational setup further, the Vixen Fork Mount Swing Bracket is an excellent addition. This accessory allows for smooth panning and tilting, giving you greater flexibility and control over your viewing angles. Whether you’re tracking a moving celestial object or scanning a wide landscape, the swing bracket ensures seamless and precise adjustments.

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Questions & Answers

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  • Do eyepieces come with the item? Can different size eye pieces be used?

    The Vixen Astronomy Binoculars BT-81S-A does not come with eyepieces included in the package. However, these binoculars are designed to accommodate standard 31.7 mm (1.25 inch) eyepieces, allowing you to customize your viewing experience. You can use different sizes and types of eyepieces that fit this standard, giving you the flexibility to choose the best eyepiece for your specific observation needs, whether for celestial or terrestrial viewing.

  • What makes the Vixen BT-81S-A stand out from other binoculars?

    The Vixen BT-81S-A features an 81 mm aperture, 480 mm focal length, and a focal ratio of f/5.9, providing exceptional clarity and brightness. The air-spaced doublet achromatic objective lens with magnesium fluoride coating minimizes chromatic aberration, offering true-to-life colors and sharp images. Its lightweight design and comfortable 45-degree angled viewing make it ideal for both celestial and terrestrial observation.

  • Is the Vixen BT-81S-A suitable for prolonged viewing sessions?

    Yes, the Vixen BT-81S-A is designed for comfort during extended observation sessions. The 45-degree angled viewing and permanently attached diagonals reduce neck strain, allowing for prolonged use without discomfort.

  • Can I use different eyepieces with the Vixen BT-81S-A?

    Yes, the Vixen BT-81S-A accommodates standard 31.7 mm (1.25 inch) eyepieces, allowing you to customize your viewing experience. This versatility ensures you can use various eyepieces to suit your specific observational needs.

Vixen Astronomy Binoculars BT-81S-A | ES14304 | 4955295143047

Vixen Astronomy Binoculars BT-81S-A

$1,326.99

Magnification

-

Aperture

81 mm | 3.2"

Focal Length

480 mm

Focal Ratio

f/5.9

Field of View

-

Optics

Objective Lens: Air-spaced doublet achromatic

Optical coating: Magnesium fluoride coating

Resolving power: 1.43 arc seconds

Limiting magnitude: 11.3

Angle of view: 45°

Barrel Size

1.25"

Dimensions

480 x 190 x 155 mm (LWH)

Weight

9 lb | 4.1 kg
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