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Explore Scientific  |  SKU: EPWP5230–01

Explore Scientific 52° Series 1.25" 30mm Waterproof Eyepiece

$149.99 $179.99

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 52° Series 1.25" 30mm Waterproof Eyepiece



  • 30mm Focal Length
  • 52° Apparent Field of View
  • 1.25" Diameter Barrel
  • Fully EMD Multi-Coated Optics
  • Argon-Filled, Water and Fogproof
  • Slip-Resistant Textured Surface
  • Fold-Down Eyecup


Unveil the Majesty of the Night Sky with Enhanced Light Gathering

The Explore Scientific 52° Series 1.25" 30mm Waterproof Eyepiece is meticulously engineered for deep-sky aficionados who crave an immersive exploration of the cosmos. Offering a generous window to the universe, this eyepiece is your ally in the quest to discover faint galaxies, nebulae, and star clusters with unparalleled clarity and ease.

  • Optimal 30mm Focal Length: Ideal for capturing expansive views of the night sky, enabling a large exit pupil that bathes your eye in light, essential for observing the faintest deep-sky objects.
  • Broad 52° Apparent Field of View: Offers a sweeping panorama of the cosmos, making it easier to locate and enjoy celestial wonders, enhancing every stargazing session with vivid detail.
  • Premier Optical Performance: Equipped with fully EMD Multi-Coated Optics, this eyepiece ensures superior light transmission, sharp contrast, and bright, detailed views across the entire field.
  • Robust, Comfort-Driven Design: The argon-filled, waterproof, and fog-proof construction guarantees clear observations under any conditions. A slip-resistant texture and fold-down eyecup prioritize your comfort and the eyepiece’s longevity.

Essential for Deep Sky Observation

This 30mm eyepiece shines when used for deep-sky viewing, offering low magnification with high impact. Its ability to provide a wide true field of view simplifies object location and enhances the visibility of large celestial features, proving indispensable under varying seeing conditions.

Averted Vision: Reveal the Cosmos’ Secrets

Embrace the art of averted vision with this eyepiece, a technique that allows you to perceive the subtleties of faint objects by looking slightly aside, using the most light-sensitive part of your eye. This approach is crucial for deep-sky observation, unlocking details that direct viewing might miss.

Transform Your Astronomical Experience

The Explore Scientific 52° Series 30mm Eyepiece is more than just an optical accessory; it’s a gateway to the wonders of the night sky. Designed for enthusiasts eager to delve into the beauty of the universe, it promises to elevate your observational journey, making every glance through the telescope a voyage of discovery.

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Explore Scientific 52° Series 1.25" 30mm Waterproof Eyepiece | EPWP5230–01 | 811803030077

Explore Scientific 52° Series 1.25" 30mm Waterproof Eyepiece

$149.99 $179.99





Focal Length

30 mm

Focal Ratio


Field of View



Enhanced multi-layer deposition (EMD) coatings

Argon-purged, water and fog proof

19.9mm eye relief

27.2mm field stop diameter

Barrel Size



75.5mm length

47.8mm width


204.1 g | 7.2 oz
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