1.25" 20mm 68 Degree Waterproof Eyepiece
1.25" 20mm 68 Degree Waterproof Eyepiece
In Stock
Experience a breathtaking visual immersion with the Explore Scientific 68° Series 20mm Waterproof Eyepiece. Engineered with low dispersion optical glass and advanced multilayer coatings, this premium 1.25-inch telescope eyepiece delivers exceptional contrast, resolution, and flat-field performance. Its advanced Argon-purged waterproof construction ensures internal optics remain clear and protected across all observing environments.
The Explore Scientific 68° Series 20mm Waterproof Eyepiece provides astronomers with an expansive 68-degree field of view that makes observing deep-sky objects feel like walking through space. Designed using computer-optimized low dispersion and high refractive index optical elements, this astronomy eyepiece practically eliminates edge distortion and chromatic aberration. The eyepiece body is sealed and purged with inert Argon gas, preventing internal fogging, fungus formation, and moisture contamination even during damp nights. Outfitted with a soft foldable silicone rubber eyecup and 15.3mm of eye relief, this 20mm focal length eyepiece offers effortless viewing comfort and fits any standard 1.25-inch telescope diagonal or focuser.
Is the Explore Scientific 68° Series 20mm Waterproof Eyepiece safe to use in damp night conditions?
Yes, the Explore Scientific 68° Series 20mm Waterproof Eyepiece is Argon-purged and fully waterproof, preventing dew, humidity, and internal fogging from affecting optical performance.
Will the Explore Scientific 68° Series 20mm Waterproof Eyepiece fit my telescope?
The Explore Scientific 68° Series 20mm Waterproof Eyepiece features a standard 1.25-inch barrel diameter, making it compatible with any telescope focuser or star diagonal that accepts 1.25-inch accessories.
Can I wear glasses while using the Explore Scientific 68° Series 20mm Waterproof Eyepiece?
Yes, with 15.3mm of eye relief and a soft foldable silicone rubber eyecup, the Explore Scientific 68° Series 20mm Waterproof Eyepiece accommodates observers wearing eyeglasses.
What does parfocal mean on the Explore Scientific 68° Series 20mm Waterproof Eyepiece?
Parfocal means that the Explore Scientific 68° Series 20mm Waterproof Eyepiece focuses at virtually the same point as other eyepieces in the same line, requiring minimal refocussing when swapping focal lengths.