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Astronomy Haven Promo Alert: Buy any four in-stock premium waterproof eyepieces and get a free soft-sided eyepiece case from us!
To Activate Deal: Add four in-stock premium waterproof eyepieces to your cart. Upon confirming your order, we'll include this handy case in your shipment.
Grab it while our supplies last!

Unleash Cosmic Panoramas with the 100° Series Argon-Purged Eyepieces!
In the world of ultra-wide-angle optics, these eyepieces stand as beacons of excellence, promising an experience that transcends the ordinary and leaves astronomers enchanted. Visualize vast cosmic panoramas, tenderly cradling your eyes in relaxation. These eyepieces are gateways to a universe of unparalleled precision viewing.
What truly sets them apart is the visual symphony they compose. Fully multi-coated and edge-blackened, these eyepieces transform stargazing into an artistic masterpiece, painting the universe in high definition and infusing joy into every cosmic exploration.
Ever heard of averted vision? With these eyepieces, averted version is a breeze! Shift your gaze slightly, and bam! It's like unveiling a hidden layer of the cosmos, especially when checking out faint objects. Averted vision puts the image on the most light-sensitive part of your eye, dialing up your ability to catch those subtle celestial details. It's the stargazer's trick you didn't know you needed—try it and see what else is hiding in the night sky!
These optical wonders played a pivotal role in military applications, contributing to strategic precision and ensuring a viewing experience so delightful it became a cherished legacy. Peering through optics purged with dry nitrogen gas promises an experience free from fogging, immune to intrusion by particulates and fungus. Tested in submersion, these eyepieces assure reliability, promising a delightful viewing experience in any celestial conquest.
So, fellow astronomy enthusiast, are you ready to infuse your stargazing moments with pure delight? Your delightful journey awaits—grasp it today from Astronomy Haven!
Why choose the Explore Scientific 100° Series 25mm Waterproof Eyepiece?
1. Panoramic marvels awaits
Embark on cosmic voyages with eyepieces that unveil expansive panoramas, captivating your gaze for an extended journey into the celestial unknown.
2. Contrast that pops - Visual symphony in High-Definition
Say goodbye to dull visuals. Explore Scientific's 100° Series eyepieces are not just coated; they're fully multi-coated and edge-blackened maestros, ensuring your stargazing canvas is painted with maximum clarity and contrast. Ready to enjoy vivid and exquisitely detailed views of the night sky?
3. Eager for extended stargazing without the strain?
Explore Scientific's eyepieces offer a vast field of view, ensuring a comfortable cosmic journey. Immerse yourself in the night sky, discovering intricate celestial details with precision and ease.
4. Fortified cosmic companion by Explore Scientific
Crafted with Explore Scientific precision, each eyepiece is a cosmic fortress, internally sealed and purged with inert, dry argon gas. Proven under the rigors of submersion, these eyepieces guarantee reliability, ready for the challenges of your next celestial conquest. Dive into the cosmos with the confidence of an explorer.
5. Compatibility that expands your cosmic horizon
Explore Scientific eyepieces are designed with compatibility in mind, seamlessly fitting into a variety of telescopes. Your cosmic exploration is not limited; it's expanded with eyepieces that work harmoniously with your telescope setup.
6. Uncover hidden cosmos: Try Averted Vision!
Shifting your gaze slightly opens up a hidden dimension in the cosmos, unveiling elusive celestial details that might have eluded notice. It's like having a cosmic cheat code, enhancing your ability to catch those subtle nuances and revealing a whole new layer of celestial wonders.
7. Craft your stargazing saga
Elevate your pursuit with the 100° Series—own not just optics but a piece of the cosmos. Connect with the stars, transcending time and space. It's not just stargazing; it's crafting your cosmic saga!
What's in the box?
- Explore Scientific 100° Series 25mm Waterproof Eyepiece ×1
SPECS
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Focal Length: 25mm
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Barrel Size: 2.00"
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Length: 140mm
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Width: 73mm
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Weight: 41.5 oz / 1177g
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Eye Relief: 14.5mm
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Field Stop Diameter: 41mm
CA Residents: Prop 65 WARNING(S)