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Explore Scientific

Explore Scientific 92° ED 20mm Waterproof Eyepiece — Immersive Wide-Field Deep-Sky Eyepiece

Explore Scientific 92° ED 20mm Waterproof Eyepiece — Immersive Wide-Field Deep-Sky Eyepiece

Regular price $449.99
Regular price Sale price $449.99
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The Explore Scientific 92° ED Series 20mm is the definitive wide-field eyepiece for owners of 2" focusers who want maximum true field without sacrificing image quality. The full 92° apparent field snaps you into a near-immersive view while HOYA FCD1 extra-low dispersion glass keeps stars tack-sharp and color-accurate to the very edge. EMD multi-layer coatings, edge-blackened optics, argon-purged waterproof construction, extra-long eye relief, and foldable rubber eyecup. 2" barrel. Ships free to the US.

Specifications
SKU EPWP9220ED-01
Focal Length 20mm
Apparent FOV 92°
Barrel Size 2" (50.8mm)
Glass Type HOYA FCD1 Extra-Low Dispersion (ED)
Coatings EMD multi-layer on all air-to-glass surfaces; edge-blackened optics
Eye Relief Extra-long (comfortable for eyeglass wearers)
Eyecup Foldable rubber
Waterproof Yes — argon-purged, O-ring sealed
What's in the Box Explore Scientific 92° ED 20mm eyepiece
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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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Orders cancelled after 48 hours are subject to a $20 administration fee. If your order has shipped, you are responsible for return shipping costs. Refunds are issued to the original payment method. See our full Refund Policy for details.
Yes! If you find a lower price at another authorized online retailer within 6 months of your purchase, we'll refund the difference. Learn more on our Price Match Guarantee page.
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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