Explore Scientific 62° Series 2" 40mm Waterproof Eyepiece

Experience Panoramic Stargazing

Frustrated with low-quality optics? The Explore Scientific 40mm Eyepiece brings precision and comfort, so you can enjoy prolonged, detailed observations without discomfort or constant adjustments.

Features

• 40mm Focal Length & 62° Field of View: Capture expansive, wide-angle views of galaxies, nebulae, and star clusters with stunning clarity.
• 28.2mm Eye Relief: Enjoy long observation sessions without eye strain—perfect for eyeglass wearers and non-wearers alike.
• Fully Multi-Coated Optics: Maximizes light transmission for sharper, brighter images with enhanced contrast across the entire field of view.
• Argon-Purged, Waterproof & Fog-Proof: Built for durability in any weather conditions, ensuring clear, moisture-free views no matter where or when you observe.
• Slip-Resistant Textured Surface: Provides a secure grip even in cold or dark conditions, minimizing the risk of dropping the eyepiece during setup or use.
• Near-Parfocal Design: Reduce the need for frequent focus adjustments when switching eyepieces, offering a seamless viewing experience.
• Foldable Silicone Rubber Eyecup: Designed for comfortable viewing, the soft silicone eyecup can be folded down for those who wear glasses or left up to block stray light for a clearer view.

The Explore Scientific 62° Series 2" 40mm Waterproof Eyepiece is for you if…

• You want panoramic views of the night sky without sacrificing detail or clarity.
• You wear glasses and need an eyepiece with long eye relief for comfortable, extended viewing.
• You observe in challenging outdoor conditions and need a durable, waterproof, fog-proof eyepiece that performs in all weather.
• You want to upgrade to a high-quality eyepiece with enhanced light transmission to see faint celestial objects in greater detail.
• You’re tired of frequent refocusing when switching eyepieces and want a near-parfocal option for minimal adjustments.
• You need an eyepiece that’s easy to handle in the dark or cold, with a slip-resistant surface for added security during your observations.

When you gaze up at the night sky, you don’t just want to see a few bright stars—you want to capture the intricate beauty of distant galaxies, nebulas, and star clusters in stunning, high-definition detail. The Explore Scientific 62° Series 2" 40mm Waterproof Eyepiece offers a unique blend of precision and panoramic views, with a wide 62-degree field of view and an expansive 40mm focal length. This powerful combination allows you to see vast regions of the cosmos in a single glance, making it perfect for observing celestial objects like the Andromeda Galaxy or the expansive Orion Nebula in their full glory.

Comfort is key for any serious stargazer, especially during long observation sessions. With a generous 28.2mm eye relief, this eyepiece ensures that you can enjoy extended, strain-free viewing—even if you wear glasses. Unlike shorter eye reliefs that force you to press uncomfortably close, this eyepiece allows for a more relaxed, comfortable distance, making it ideal for marathon nights under the stars. The foldable silicone rubber eyecup adds another level of flexibility, letting you block stray light or easily accommodate eyeglasses depending on your preference.

The great outdoors often offer the best stargazing experiences, but they come with unpredictable weather. The Explore Scientific 40mm Eyepiece is argon-purged, waterproof, and fog-proof, ensuring that humidity, moisture, or cold temperatures won’t cloud your view. Whether you’re observing from a dewy meadow or a freezing mountain peak, you can count on this eyepiece to deliver crystal-clear images with no fogging or water ingress. Its rugged design makes it the ideal companion for explorers who chase dark skies in remote locations, where the beauty of the night sky can be fully appreciated.

Handling your gear in the dark can often lead to frustrating slips and drops, especially when dealing with bulky or heavy eyepieces. This eyepiece is designed with a slip-resistant, textured surface that ensures a secure grip, even in the cold or low-light conditions. Weighing just 669 grams (23.6 ounces), it’s sturdy yet manageable, providing a balanced feel when mounted on your telescope. Plus, its near-parfocal design means you’ll spend less time fiddling with focus when switching between eyepieces, and more time immersed in the wonders of the universe. Imagine quickly moving from viewing the Pleiades star cluster to the Crab Nebula with minimal adjustments.

If you’re a dedicated astronomer looking to elevate your observing experience, the Explore Scientific 62° Series 2" 40mm Eyepiece is the investment that will transform how you see the night sky. With its superior optical clarity, long eye relief, and durable design, this eyepiece is built to enhance your observations and make every stargazing session unforgettable. Don’t settle for less—discover the universe in unprecedented detail and comfort.