• Explore Scientific 92° ED Series 20mm Waterproof Eyepiece [EPWP9220ED-01]
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Explore Scientific

Explore Scientific 92° ED Series 20mm Waterproof Eyepiece [EPWP9220ED-01]

Explore Scientific 92° ED Series 20mm Waterproof Eyepiece [EPWP9220ED-01]

$449.99
$449.99
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Shipping calculated at checkout.

Ultra-wide 92° field. Premium ED glass. The go-to low-power deep-sky eyepiece.

The Explore Scientific 92° ED Series 20mm Waterproof Eyepiece is the widest, most low-power option in the 92° ED lineup — purpose-built for sweeping large nebulae, open clusters, and rich star fields in breathtaking detail. The ultra-wide 92° apparent field paired with HOYA FCD1 extra-low dispersion glass delivers pinpoint stars and true colors edge to edge, all with the exceptional eye relief that makes the 92° Series stand apart.

Key Features

  • HOYA FCD1 ED glass eliminates chromatic aberration for sharp, color-true views
  • Ultra-wide 92° apparent field for the most immersive experience in the series
  • Extra-long eye relief — exceptionally comfortable for eyeglass wearers
  • EMD multi-layer coatings maximize contrast and light transmission
  • Edge-blackened optics for a clean, dark background
  • Argon-purged, O-ring sealed waterproof housing — fog-proof and moisture-proof
  • Foldable rubber eyecup and anodized aluminum housing

SPECS

Specification Details
SKU EPWP9220ED-01
Apparent Field of View 92°
Focal Length 20mm
Barrel Size 2"
Glass Type HOYA FCD1 Extra-Low Dispersion (ED)
Coatings EMD multi-layer on all air-to-glass surfaces
Waterproof Yes — argon-purged, O-ring sealed
Eye Relief Extra-long eye relief
Eyecup Foldable rubber
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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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