Explore Scientific 62° Series 1.25" 20mm Waterproof Eyepiece

The 62° Series 20mm is a comfortable general-purpose eyepiece with Long Eye Relief and a wider field than standard designs. At moderate magnification, it handles everything from bright nebulae to galaxy cores while keeping the viewing experience relaxed. Waterproof construction and EMD coatings make it a durable, high-value addition to any eyepiece case.

Key Features

• Long Eye Relief (LER) design — relaxed viewing distance that reduces fatigue during long sessions and works seamlessly with eyeglasses
• Argon-purged waterproof housing — sealed against moisture, fog, and humidity for all-weather durability
• Enhanced Multi-Layer Deposition (EMD) coatings on all air-to-glass surfaces for bright, clear images
• 62° apparent field of view — wider framing than Plössl designs for more sky in every view
• Fold-down silicone rubber eyecup for flexible eye positioning
• 1.25" barrel compatible with standard focusers across all telescope types

Ideal For

• Deep-sky observers framing open clusters, nebulae, and galaxies at comfortable magnification with a wider field than 52° eyepieces
• Star party and outreach use — the long eye relief makes it easy for visitors to find the view quickly
• Eyeglass wearers who want a relaxed, full-field experience without removing their glasses