Pre-order: DWARF 3

Buy one, get one 25% off - Alpen Optics

Explore Scientific  |  SKU: EPWP8218–01

Explore Scientific 82° Series 2" 18mm Waterproof Eyepiece

$319.99 $383.99

Bonus offer: after adding this item to cart, add 3 other eyepieces + the soft-sided case to get it for Free ($49.99 value)

Estimated delivery in 3-5 business days via UPS or FedEx

Earn [points_amount] when you buy this item.

Ships from US warehouse in 1-2 business days

Shipping & Returns

We offer free US standard shipping on orders over $99 and 30-day returns on most items. Some limitations apply.

Shipping Policy

30-Day Return Policy

Clear, Fog-Free Views in Any Weather

 

Need an eyepiece that performs in all conditions? The Explore Scientific 18mm Eyepiece is waterproof and fogproof, ensuring clear, sharp views in any weather—no more fogging or moisture interference.

 

Features

  • 18mm Focal Length: Provides high magnification for clear, detailed views of planets, lunar surfaces, and deep-sky objects like nebulae and star clusters.
  • 82° Ultra-Wide Field of View: Immerse yourself in a panoramic view of the sky, reducing the need for frequent telescope adjustments.
  • 13mm Long Eye Relief: Enjoy comfortable viewing for extended stargazing sessions, perfect for eyeglass wearers and non-wearers alike.
  • Parfocal Design: Seamlessly switch between eyepieces in the series without losing focus, providing uninterrupted viewing.
  • EMD Fully Multi-Coated Optics: Maximize light transmission for bright, sharp images with enhanced contrast and resolution.
  • Argon-Purged, Waterproof, and Fogproof: Built for durability in all weather conditions, ensuring clear, fog-free views in humid or cold environments.
  • Blackened Lens Edges and Interior: Reduce internal reflections for improved contrast and clarity, ideal for observing faint celestial objects.
  • Slip-Resistant Textured Surface: Provides a secure grip in cold or wet conditions, making it easier to handle during outdoor stargazing.
  • Fold-Down Eyecup: Adjustable for maximum comfort, whether you wear glasses or not, making long observations more enjoyable.

The Explore Scientific 82° Series 2" 18mm Waterproof Eyepiece is for you if…

  • You want to observe planets, lunar craters, and deep-sky objects with sharp, high-magnification views and a wide field of view.
  • You value an immersive 82° field of view, allowing you to see more of the night sky without needing constant repositioning.
  • You need an eyepiece with long eye relief, making it ideal for extended viewing sessions, especially if you wear glasses.
  • You frequently switch between eyepieces and want a parfocal design that allows for smooth transitions without refocusing.
  • You often stargaze in varied weather conditions and need a waterproof, fogproof eyepiece that delivers reliable, clear views in any environment.

Elevate your stargazing experience with the Explore Scientific 82° Series 2" 18mm Waterproof Eyepiece, crafted for astronomers who demand both precision and comfort. With an 18mm focal length, this eyepiece delivers the high magnification needed to reveal intricate details of planets, lunar surfaces, and deep-sky objects like nebulae and star clusters. Whether you’re studying Saturn’s rings or exploring the vibrant gas clouds of distant nebulae, this eyepiece offers crystal-clear, sharp views that bring the cosmos to life.

The expansive 82° ultra-wide field of view allows you to see more of the sky in a single glance, minimizing the need for constant adjustments to your telescope. This wide perspective makes it easier to track celestial objects and ensures that your observations feel more immersive and engaging. For extended viewing sessions, the 13mm long eye relief ensures maximum comfort, even for eyeglass wearers, allowing you to enjoy hours of stargazing without strain or discomfort.

Built to perform in any environment, this eyepiece is argon-purged, waterproof, and fogproof, ensuring clear, fog-free views even in humid or cold weather. Whether you’re observing in the freezing cold or during a humid summer night, you can trust the Explore Scientific 18mm Eyepiece to deliver consistent, high-quality performance. The EMD fully multi-coated optics maximize light transmission, providing bright, high-contrast images, even when observing faint deep-sky objects.

Efficiency matters during your observations, and the parfocal design allows you to switch eyepieces in the series without needing to refocus, saving you valuable time and keeping your session uninterrupted. The slip-resistant textured surfaceensures secure handling even in cold or damp conditions, making this eyepiece an ideal companion for outdoor stargazing. If you’re looking for an eyepiece that combines high magnification, durability, and comfort, the Explore Scientific 82° Series 2" 18mm Eyepiece is your perfect tool for unlocking the wonders of the night sky.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Meta Pay
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Your payment information is processed securely encrypted during transmission. We do not store credit card details nor have access to your credit card information.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Questions & Answers

Have a Question?

Be the first to ask a question about this.

Ask a Question
Explore Scientific 82° Series 2" 18mm Waterproof Eyepiece | EPWP8218–01 | 812257014620

Explore Scientific 82° Series 2" 18mm Waterproof Eyepiece

$319.99 $383.99

Magnification

-

Aperture

-

Focal Length

18 mm

Focal Ratio

-

Field of View

82°

Optics

Enhanced multi-layer deposition (EMD) coatings

Argon-purged, water and fog proof

13mm eye relief

25.3mm field stop diameter

Barrel Size

2"

Dimensions

89mm length

56mm width

Weight

390 g | 13.7 oz
View product