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Buy one, get one 25% off - Alpen Optics

Explore Scientific  |  SKU: EPWP6816–01

Explore Scientific 68° Series 1.25" 16mm Waterproof Eyepiece

$219.99 $263.99

Bonus offer: after adding this item to cart, add 3 other eyepieces + the soft-sided case to get it for Free ($49.99 value)

Estimated delivery in 3-5 business days via UPS or FedEx

Ships from US warehouse in 1-2 business days

Shipping & Returns

We offer free US standard shipping on orders over $99 and 30-day returns on most items. Some limitations apply.

Shipping Policy

30-Day Return Policy

Expand Your View

 

Ready for expansive celestial views? With the Explore Scientific 68° Eyepiece, you'll enjoy breathtaking sights without worrying about harsh weather, eye strain, or subpar clarity.

 

Features

  • 16mm Focal Length: Ideal for diverse celestial observations, from intricate lunar craters to expansive nebulae.
  • 68° Wide Field of View: Enjoy a panoramic, immersive view of the cosmos with minimal telescope adjustments.
  • Fully Multi-coated Optics: Experience superior contrast, resolution, and brightness thanks to advanced multi-layer coatings.
  • 1.25" Diameter Barrel: Compatible with most standard telescopes, ensuring easy integration into your setup.
  • Waterproof and Fogproof: Argon-purged and sealed for flawless performance in any weather, preventing internal fogging or damage.
  • Textured, Slip-Resistant Surface: Provides a secure, comfortable grip, even in wet or humid conditions.
  • Fold-Down Eyecup: Designed for long eye relief, offering comfort during extended stargazing sessions.
  • Lightweight and Portable: Weighs just 158g, making it easy to transport for on-the-go astronomy adventures.

The Explore Scientific 68° Series 1.25" 16mm Eyepiece is for you if...

  • You want crystal-clear, wide-field views of the night sky without distortion or fogging.
  • You frequently observe in outdoor environments and need an eyepiece that’s built to withstand any weatherconditions.
  • You are looking for a versatile eyepiece that performs well for both planetary and deep-sky observations.
  • You value comfort during long observation sessions, with features designed to reduce eye strain and fatigue.
  • You prefer an easy-to-clean, durable eyepiece that will maintain its optical performance over time.
  • You’re ready to upgrade your gear for a more immersive and hassle-free stargazing experience, with less time spent adjusting and more time spent exploring the universe.

When you're out under the stars, you need an eyepiece that not only enhances your view but immerses you in the experience. The Explore Scientific 68° Series 16mm Waterproof Eyepiece offers a stunning 68° wide field of view, allowing you to see more of the night sky at once. Whether you’re tracking the intricate details of lunar craters or capturing the grandeur of star clusters and nebulae, this eyepiece brings them into sharp focus with its fully multi-coated optics, which maximize light transmission for brighter, clearer images.

Designed to withstand the rigors of outdoor stargazing, this eyepiece is fully waterproof and fogproof, ensuring it performs flawlessly even in harsh weather conditions. Its argon-purged construction prevents internal fogging, preserving the integrity of the optics for years to come. You won’t have to worry about dew, humidity, or sudden temperature changes interfering with your view. Plus, the durable, slip-resistant textured surface provides a secure grip, making it easy to handle even in wet conditions or while wearing gloves.

Comfort is critical for serious observers, and the 16mm eyepiece delivers with its generous 11.9mm eye relief and fold-down eyecup. Whether you're wearing glasses or prefer to view without them, the adjustable eyecup ensures you can enjoy extended stargazing sessions without discomfort or eye strain. Its ergonomic design lets you observe for hours, from planetary details to deep-sky objects, with the same level of clarity and comfort.

If you’re ready to take your astronomy hobby to the next level, this eyepiece is built for you. Its 16mm focal length offers versatility, allowing you to switch seamlessly between close-up views of planets and wide-field scans of the Milky Way. Don’t settle for narrow views, frustrating fogging, or uncomfortable sessions—upgrade to the Explore Scientific 68° Series Eyepiece and experience the universe as it was meant to be seen: crisp, expansive, and with unmatched precision.

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