Explore Scientific 62° Series 2" 40mm Waterproof Eyepiece

The 62° Series 40mm delivers the widest field of view in the series through a 2" barrel with Long Eye Relief, maximizing your telescope's sky coverage at the lowest practical magnification. Large deep-sky objects fill the eyepiece with bright, detailed views. At $159 with argon-purged waterproof construction and EMD coatings, it offers 2" wide-field performance at a fraction of the usual cost.

Key Features

• 2" barrel for the widest possible field of view and maximum light throughput
• Long Eye Relief (LER) design — relaxed, comfortable viewing even during long sessions, fully compatible with eyeglasses
• Argon-purged waterproof housing — sealed and fog-proof for dependable all-weather performance
• Enhanced Multi-Layer Deposition (EMD) coatings on all air-to-glass surfaces for bright images at low magnification
• 62° apparent field of view — the widest framing in the series for sweeping panoramic views
• Fold-down silicone rubber eyecup for flexible eye positioning

Ideal For

• Wide-field deep-sky observers framing the largest targets — the Pleiades, Orion Nebula complex, Andromeda Galaxy, and Milky Way star clouds at their most expansive
• Maximum sky coverage — ideal for initial target location, sky scanning, and enjoying the full breadth of rich star fields
• 2" focuser owners who want a premium wide-field experience with weather-sealed durability at an accessible price