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Explore Scientific 52 Degree Series 40mm Waterproof Eyepiece, 2" Barrel

SKU: ESEPWP524001 MFR: EPWP5240-01
$179.99
$215.98
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Key Features

  • Enjoy wide, immersive views with this 40mm telescope eyepiece, perfect for deep-sky objects.
  • Experience comfortable observing sessions thanks to the generous 27.1mm eye relief on this eyepiece.
  • The 2" barrel size offers enhanced light gathering for brighter, clearer astronomical views.
  • Waterproof construction ensures this Explore Scientific eyepiece withstands dew and accidental splashes.
  • Achieve optimal image sharpness across a 52-degree field of view with fully coated optics.
  • This versatile telescope eyepiece provides excellent magnification power for detailed celestial viewing.
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Special Order?Estimated to Ship: 08/26/2025
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Shopper : Why Did You Choose This?Cindy M : Previous purchase of Explore Scientific eyepiece, was so impressed, had to choose another.

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Explore Scientific 52 Degree Series Eyepiece Specifications

  • Focal Length

    40mm

  • Barrel Diameter

    2.0"

  • Eye Relief

    27.1mm

  • Field Stop Diameter

    26.2mm

  • UPC Code

    811803030084

About Explore Scientific 52 Degree Series Eyepiece

A remarkable addition to your astronomy equipment, the 52 Degree Series 40mm Waterproof Eyepiece from Explore Scientific offers a superior blend of durability, high-quality optics, and user-friendly design. This versatile eyepiece is expertly crafted to enhance your visual astronomy experience, providing a flat-field, multi-element ocular system that delivers clear, detailed images of celestial objects.

Boasting an impressive apparent field of view of 52 degrees, this eyepiece allows for a broader perspective, perfect for viewing large astronomical formations or sweeping landscapes. Its 40mm focal length and 2-inch barrel design ensure a high level of clarity and detail, transforming your stargazing sessions into immersive experiences.

One of the standout features of this eyepiece is its waterproof construction. Whether you're observing the night sky from a dewy meadow or a misty coastline, this eyepiece is designed to withstand exposure to moisture, making it a reliable companion for all your outdoor astronomical adventures.

Furthermore, the 52 Degree Series 40mm Waterproof Eyepiece is designed to optimize the use of averted vision, a technique that involves gazing slightly to the side of the object being observed. This method places the image on a part of your eye that is more sensitive to light, allowing you to perceive fainter objects with greater ease.

In summary, the 52 Degree Series 40mm Waterproof Eyepiece is more than just a nice eyepiece. It's a high-quality, versatile tool that offers exceptional value, designed to elevate your visual astronomy experience to new heights.

Explore Scientific 52 Degree Series Eyepiece Features

  • 40mm Focal Length
  • 2" Diameter Barrel
  • 52 Degree Apparent Field of View
  • Argon-Filled, Water and Fogproof
  • Fold-Down Eyecup
  • Fully EMD Multi-Coated Optics
  • Slip-Resistant Textured Surface

Key Features

  • Enjoy wide, immersive views with this 40mm telescope eyepiece, perfect for deep-sky objects.
  • Experience comfortable observing sessions thanks to the generous 27.1mm eye relief on this eyepiece.
  • The 2" barrel size offers enhanced light gathering for brighter, clearer astronomical views.
  • Waterproof construction ensures this Explore Scientific eyepiece withstands dew and accidental splashes.
  • Achieve optimal image sharpness across a 52-degree field of view with fully coated optics.
  • This versatile telescope eyepiece provides excellent magnification power for detailed celestial viewing.

What's in the box:

  • 52 Degree Series 40mm Waterproof Eyepiece (2 ")
  • 2x Caps
  • Explore Scientific 1 Year Limited Warranty (Lifetime Warranty with Registration within 60 Day of Purchase)