• Explore Scientific 72° ED 6.5mm Waterproof Eyepiece — High-Power Planetary Detail Views
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Explore Scientific

Explore Scientific 72° ED 6.5mm Waterproof Eyepiece — High-Power Planetary Detail Views

Explore Scientific 72° ED 6.5mm Waterproof Eyepiece — High-Power Planetary Detail Views

$299.99
$299.99
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The Explore Scientific 72° ED 6.5mm is a premium telescope eyepiece designed for high-power views of the planets and the Moon. An eyepiece sets your magnification — shorter focal lengths like this 6.5mm give the most "zoom" — and its wide 72° apparent field of view creates an immersive, window-on-the-sky experience rather than a narrow porthole.

Built with extra-low-dispersion (ED) glass, it keeps colours tightly focused for sharp, high-contrast detail, and it's fully waterproof and argon-purged so it won't fog internally in cold or damp conditions.

Who it's for: Observers who want crisp, high-magnification planetary and lunar views with a wide, comfortable field. Not sure which focal length to pick? Read our guide to choosing the proper telescope eyepiece.

  • 72° apparent field: a wide, immersive view for a natural, spacewalk-like feel.
  • ED glass optics: extra-low-dispersion elements for sharp, colour-corrected detail.
  • High-power 6.5mm: short focal length for maximum magnification on planets and the Moon.
  • Waterproof & argon-purged: sealed against fogging and moisture for all-weather use.
  • Comfortable eye relief: designed for relaxed viewing, including for eyeglass wearers.
Specifications
Series 72° ED Waterproof
Focal length 6.5mm
Apparent field of view 72°
Glass Extra-low-dispersion (ED)
Sealing Waterproof, argon-purged
Barrel size 1.25"

What magnification will I get?
Divide your telescope's focal length by 6.5. For example, a 900mm scope gives about 138x with this eyepiece.

What is a 72° apparent field of view?
It's how wide the view appears through the eyepiece; 72° is a generously wide field that makes objects feel immersive and easier to follow.

Why does ED glass matter in an eyepiece?
Extra-low-dispersion glass controls colour and improves sharpness, especially toward the edge of the field and at high power.

Does it fit my telescope?
It uses a standard 1.25" barrel, compatible with the vast majority of telescopes and diagonals.

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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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