2" 28mm 68 Degree Waterproof Eyepiece
2" 28mm 68 Degree Waterproof Eyepiece
In Stock
Elevate your stargazing observations with the Explore Scientific 68° Series 28mm Waterproof Eyepiece, engineered with low dispersion optics for ultra-sharp high-contrast views. Featuring an expansive 68° apparent field of view and advanced Argon-purged waterproofing, this premium astronomy eyepiece ensures crystal-clear performance protected against internal fogging and ambient humidity.
Designed for passionate observers seeking a true full-immersion visual experience, the Explore Scientific 68° Series 28mm Waterproof Eyepiece utilizes computer-optimized lens combinations made from high refractive index optical glass. Enhanced with durable multilayer deposition coatings and an exceptional 21.6mm eye relief, this 2.00-inch barrel telescope eyepiece delivers superior flat field performance while accommodating observers with or without eyeglasses. The sealed, dry Argon-purged optical housing eliminates internal condensation, fungus growth, and environmental degradation, guaranteeing lifetime optical excellence even during long nights in damp outdoor conditions.
What makes the Explore Scientific 68° Series 28mm Waterproof Eyepiece different from standard eyepieces?
The Explore Scientific 68° Series 28mm Waterproof Eyepiece utilizes high-index low-dispersion optical glass paired with advanced multilayer coatings to provide edge-to-edge sharp contrast and an immersive 68-degree field of view. Additionally, it features inert Argon gas purging to prevent internal fogging and moisture ingress.
What barrel size does the Explore Scientific 68° Series 28mm Waterproof Eyepiece require?
The Explore Scientific 68° Series 28mm Waterproof Eyepiece features a 2.00-inch barrel diameter, requiring a standard 2-inch telescope focuser or star diagonal.
Is the Explore Scientific 68° Series 28mm Waterproof Eyepiece suitable for observers who wear eyeglasses?
Yes, with a generous eye relief of 21.6mm and a foldable soft silicone rubber eyecup, the Explore Scientific 68° Series 28mm Waterproof Eyepiece provides exceptional comfort for astronomers observing with or without spectacles.
Why is Argon gas purging beneficial in the Explore Scientific 68° Series 28mm Waterproof Eyepiece?
Argon atoms are larger and chemically more inert than Nitrogen, preventing seal leakage, thermal shock oxidation, fungus growth, and internal condensation inside the Explore Scientific 68° Series 28mm Waterproof Eyepiece.