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Explore Scientific  |  SKU: EPWP6220LE-01

Explore Scientific 62° Series 1.25" 20mm 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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Explore Scientific 62° Series 1.25" 20mm Waterproof Eyepiece



  • 20mm Focal Length
  • 62° Field of View
  • 1.25" Diameter Barrel
  • 14.8mm Eye Relief
  • Fully Multi-Coated Optics
  • Argon-Filled, Water and Fog-proof
  • Slip-Resistant Textured Surface


Discover the Universe with Enhanced Detail and Comfort

The Explore Scientific 62° Series 1.25" 20mm Waterproof Eyepiece is precision-engineered for stargazers who demand both a wide field of view and crystal-clear detail. Designed to elevate your night sky observations, this eyepiece brings the cosmos to life with vibrant contrast, expansive views, and ergonomic design for hours of comfortable exploration.

  • Generous 20mm Focal Length: Offers a versatile range for observing a wide array of celestial phenomena, from the moon's craters to distant nebulae, ensuring a rich and immersive viewing experience.
  • Expansive 62° Apparent Field of View: Encapsulates a broad swath of the night sky, allowing you to take in more of the cosmos with each look, perfect for star-hopping and exploring diffuse objects.
  • Optimal 14.8mm Eye Relief: Provides ample space between your eye and the eyepiece, ensuring comfortable viewing sessions, even for eyeglass wearers.
  • Superior Optical Quality: With fully multi-coated lenses, this eyepiece ensures maximum light transmission, reduced glare, and enhanced contrast, bringing out the subtle details of celestial objects.
  • Durable and User-Friendly Design: Argon-filled for waterproof and fog-proof performance, coupled with a slip-resistant textured surface for secure handling in all observing conditions. The fold-down eyecup adds an extra layer of viewing comfort.

Master the Art of Averted Vision

The 62° Series eyepiece excels in facilitating averted vision—a technique that leverages the more sensitive periphery of your eye to observe faint details that might otherwise be invisible. This capability is invaluable for spotting elusive deep-sky objects and teasing out the fine details of more prominent features.

Built to Last, Designed to Impress

Engineered to withstand the rigors of outdoor astronomy, the argon-purged construction ensures that the internal optics remain pristine over time, protecting against moisture, dust, and temperature changes. Each eyepiece undergoes rigorous testing to guarantee its durability and performance, ensuring that your investment continues to enhance your astronomical adventures for years to come.

Your Gateway to Cosmic Wonders

The Explore Scientific 62° Series 20mm Eyepiece isn’t just a tool; it’s a passport to the universe's awe-inspiring beauty. Whether you’re scanning the Milky Way, tracking planets, or hunting for distant galaxies, this eyepiece is designed to make every observation more engaging, comfortable, and breathtaking.

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Explore Scientific 62° Series 1.25" 20mm Waterproof Eyepiece | EPWP6220LE-01 | 812257018642

Explore Scientific 62° Series 1.25" 20mm Waterproof Eyepiece

$149.99 $179.99





Focal Length

20 mm

Focal Ratio


Field of View



Enhanced multi-layer deposition (EMD) coatings

Argon-purged, water and fog proof

14.8mm eye relief

20.9mm field stop diameter

Barrel Size



64mm length

42mm width


141.75 g | 5 oz
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