Explore Scientific 68 Degree 20mm Argon-Purged Waterproof Telescope Eyepiece EPWP6820-01 1.25-inch
Product details
| Management number | 241527774 | Release Date | 2026/07/18 | List Price | US$55.72 | Model Number | 241527774 | ||
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The Explore Scientific 68° Series Argon-Purged Waterproof Telescope Eyepiece is engineered with advanced computer design and features combinations of low dispersion and high refractive index optical glasses. Durable multilayer deposition coatings ensure high contrast, high resolution, and superior flat field characteristics for an immersive viewing experience.
Key Features:
* Focal Length: 20mm
* Barrel Size: 1.25-inch
* Apparent Field: 68°
* Eye Relief: 15.3mm
* Field Stop Diameter: 22.8mm
* Dimensions: Length 69.6mm, Width 50.3mm
* Weight: 8.7oz (247g)
* Design: Argon-purged and waterproof to prevent internal fogging, fungus, and contaminants.
* Eyecup: Removeable and foldable soft silicone rubber eyecup for observer comfort.
* Durability: Each eyepiece is tested in one meter of water for 30 minutes to ensure a perfect seal, maintaining pristine internal elements. Argon's superior inertness and larger atomic structure compared to nitrogen further enhance longevity and sealing integrity.
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