• Explore Scientific 72° ED Series 45mm Waterproof Eyepiece [EPWP7240ED-01]
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Explore Scientific

Explore Scientific 72° ED Series 45mm Waterproof Eyepiece [EPWP7240ED-01]

Explore Scientific 72° ED Series 45mm Waterproof Eyepiece [EPWP7240ED-01]

$449.99
$449.99
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Shipping calculated at checkout.

Maximum aperture of sky — the widest, most immersive view in the series.

The 72° ED Series 45mm is the flagship of the entire 72° ED lineup, delivering an unmatched low-power, wide-field experience. With a 45mm focal length and HOYA FCD1 extra-low dispersion glass, it pulls in enormous swaths of sky — ideal for visual sweeping of the Milky Way, giant nebula complexes, and large-scale star fields that no other eyepiece in the series can match. Sharp, color-accurate, and built for any weather.

Key Features

  • HOYA FCD1 ED glass eliminates chromatic aberration for sharp, color-true views
  • Wide 72° apparent field for the most immersive observing experience in the series
  • Long eye relief — 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 EPWP7240ED-01
Apparent Field of View 72°
Focal Length 45mm
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 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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