• Explore Scientific 120° Series 9mm Waterproof Eyepiece
  • Explore Scientific 120° Series 9mm Waterproof Eyepiece
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Explore Scientific

Explore Scientific 120° 9mm 2-Inch Waterproof Eyepiece — Ultra-Wide Single Eyepiece for Impressive Deep-Sky Views

Explore Scientific 120° 9mm 2-Inch Waterproof Eyepiece — Ultra-Wide Single Eyepiece for Impressive Deep-Sky Views

$1,299.99
$1,299.99
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Shipping calculated at checkout.

The Explore Scientific 120° 9mm Waterproof Argon-Purged Eyepiece (EPWP12009-01) represents one of the widest apparent fields of view available in visual astronomy. Engineered for observers who want the most immersive, panoramic experience possible, this eyepiece delivers a staggering 120-degree field that feels like stepping directly into space.

With fully multi-coated lenses, edge-blackened optics, long eye relief, and precision-machined construction, this eyepiece offers exceptional clarity, contrast, and comfort. The waterproof, argon-purged optical assembly ensures long-lasting protection from moisture, internal fogging, dust, and contaminants—maintaining pristine optical performance even in challenging environments.

Whether exploring dense star fields, large nebulae, or observing the Moon and planets with heightened detail, the 9mm 120° eyepiece provides unmatched astronomical immersion.

Features

  • Expansive 120° apparent field of view for one of the widest immersive experiences available

  • Argon-purged waterproof housing protects internal optics from moisture and fogging

  • Fully multi-coated lenses maximize contrast and brightness

  • Long eye relief for comfortable extended viewing

  • Edge-blackened optics reduce internal reflections

  • 2-inch barrel supports wide-field performance across compatible telescopes

  • Ideal for deep-sky sweeping, lunar detail, and planetary observation

Specifications

  • Focal Length: 9mm

  • Apparent Field of View: 120°

  • Barrel Size: 2-inch O.D.

  • Waterproof: Yes

  • Gas Purging: Argon

  • Optical Coatings: Fully Multi-Coated

  • Lens Edges: Blackened

  • Eye Relief: Long eye relief design

  • Model Number: EPWP12009-01

 

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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All telescopes on Telescope Wolves are hand-picked with beginners in mind. If you're unsure which telescope is right for you, check out our Telescope Buying Guide.
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