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Explore Scientific  |  SKU: EPWP10025–01

Explore Scientific 100° Series 2" 25mm Waterproof Eyepiece

$999.99 $1,199.99

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

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Ships from US warehouse in 1-2 business days

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Explore Scientific 100° Series 2" 25mm Waterproof Eyepiece



  • 25mm Focal Length
  • 100° Field of View
  • 2" Diameter Barrel
  • Fully Multicoated Optics
  • Argon-Filled, Water and Fogproof
  • Slip-Resistant Textured Surface
  • Easy-Insertion Double-Tapered Barrel
  • Fold-Down Eyecup

Embark on a Journey to the Stars with Unparalleled Field of View

Introducing the Explore Scientific 100° Series 2" 25mm Waterproof Eyepiece, crafted for the avid astronomer who seeks to merge comfort with exceptional viewing capability. This eyepiece offers a hyper-wide vista of the cosmos, enabling a seamless blend of expansive observation and intimate celestial detail.

  • Generous 25mm Focal Length: Explore the night sky with a wide-angle lens that brings distant cosmic phenomena into close, personal view.
  • Breathtaking 100° Field of View: Immerse yourself in the beauty of the cosmos with a panoramic field of view that rivals the best in hyper-wide eyepiece technology.
  • Durable and Clear Viewing: Waterproof, argon-filled, and with fully multi-coated optics, this eyepiece is built to last while providing crisp, clear views of the night sky.
  • Designed for the Observer: Features like a slip-resistant textured surface, easy-insertion double-tapered barrel, and fold-down eyecup are thoughtfully included for optimal user comfort and usability.

A Revolution in Astronomical Observation

The first time you gaze through the Explore Scientific 100° Series Eyepiece, you'll be transported into the depths of space, forgetting the boundary between you and the universe. The expansive field of view not only facilitates the discovery of celestial objects but ensures they remain within sight for longer periods, ideal for telescopes without a drive.

Enhance Your Viewing with Averted Vision

This eyepiece enables the effective use of averted vision, a technique that leverages the eye's sensitivity to light to view faint objects with greater clarity. By looking slightly to the side, you'll uncover the subtle details of the universe's most elusive wonders.

Durability Meets Cutting-Edge Technology

Every 100° Series Eyepiece undergoes rigorous testing, ensuring it withstands the elements and the test of time. The internal argon purging not only makes this eyepiece waterproof but also maximizes the lifespan of its coatings, guaranteeing that each view is as breathtaking as the first.

Step into the Cosmos

For those who seek to explore the night sky in its most vivid detail, the Explore Scientific 100° Series 25mm Eyepiece offers an unmatched viewing experience. It's not just an eyepiece; it's your personal observatory to the universe, providing both a panoramic spectacle and the joy of discovery.

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Explore Scientific 100° Series 2" 25mm Waterproof Eyepiece | EPWP10025–01 | 812257013852

Explore Scientific 100° Series 2" 25mm Waterproof Eyepiece

$999.99 $1,199.99





Focal Length

25 mm

Focal Ratio


Field of View



Enhanced multi-layer deposition (EMD) coatings

Argon-purged, water and fog proof

14.5mm eye relief

41mm field stop diameter

Barrel Size



140mm length

73mm width


1177 g | 41.5 oz
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