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Explore Scientific  |  SKU: EPWP8247–01

Explore Scientific 82° Series 1.25" 4.7mm Waterproof Eyepiece


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Explore Scientific 82° Series 1.25" 4.7mm Waterproof Eyepiece



  • 4.7mm Focal Length
  • 82° Field of View
  • 1.25" Diameter Barrel
  • Parfocal with All Eyepieces in Series
  • Long Eye Relief for Maximum Comfort
  • EMD Fully Multi-Coated Optics
  • Blackened Interior & Lens Edges
  • Argon Filled, Water and Fogproof
  • Slip-Resistant Textured Surface
  • Fold-Down Eyecup


Elevate Your Stargazing with Ultra-High Magnification

The Explore Scientific 82° Series 1.25" 4.7mm Waterproof Eyepiece is an indispensable tool for those special nights when the cosmos unveils its secrets in near-perfect clarity. Designed for astronomers who demand precision and immersion, this eyepiece offers exceptional high-magnification views, revealing breathtaking planetary details that will leave a lasting impression.

  • Ultra-Precise 4.7mm Focal Length: Ideal for high-magnification observations, perfect for unveiling intricate lunar landscapes, planetary rings, and distant binary stars.
  • Expansive 82° Apparent Field of View: Immerse yourself in the vastness of space with a wide field that enhances the viewing experience, making celestial objects easier to track and observe.
  • Superior Optical Quality: With EMD fully multi-coated optics and blackened lens edges, every view is optimized for maximum contrast and sharpness, revealing the cosmos with unparalleled clarity.
  • Comfortable, Long Viewing Sessions: The long eye relief ensures a comfortable viewing experience, even for eyeglass wearers, allowing for extended observations without eye strain.
  • Durability and Ease of Use: Argon-filled and waterproof, this eyepiece is built to withstand the elements, offering fog-free performance and easy cleaning—perfect for rigorous outdoor use.

A New Lens on the Universe

Whether capturing the delicate cloud bands of Jupiter or the crisp edges of the moon's craters, the Explore Scientific 4.7mm Eyepiece brings the universe closer. It's not just an eyepiece; it's a gateway to new discoveries, offering clarity and immersion that transforms any stargazing session into a profound exploration of the night sky.

Designed for Discerning Observers

The use of advanced optical design and high-quality materials ensures that you're not just looking at the stars—you're experiencing them. This eyepiece is parfocal with others in the series, meaning less time adjusting focus and more time enjoying the cosmos.

Ready for Any Adventure

All Explore Scientific waterproof eyepieces are meticulously sealed and purged, making them not only easy to clean but also immune to internal fogging and contaminants. This robust construction ensures that your eyepiece is ready for any astronomical adventure, from the humid tropics to chilly mountain nights.

Discover the Depths of Space

The Explore Scientific 82° Series 4.7mm Eyepiece invites you to dive deeper into your astronomical journey, offering a blend of high magnification, wide field of view, and exceptional optical performance. It's an essential addition to any astronomer's toolkit, promising nights filled with discovery and wonder.

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Explore Scientific 82° Series 1.25" 4.7mm Waterproof Eyepiece | EPWP8247–01 | 812257014576

Explore Scientific 82° Series 1.25" 4.7mm Waterproof Eyepiece






Focal Length

4.7 mm

Focal Ratio


Field of View



Enhanced multi-layer deposition (EMD) coatings

Argon-purged, water and fog proof

13.6mm eye relief

6.9mm field stop diameter

Barrel Size



87mm length

43mm width


213 g | 7.5 oz
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