No Name Explore Scientific 82° eyepiece. 4 7 mm 1 25"

The Explore Scientific 4.7 mm Eyepiece offers exceptional astronomical observation experiences with its generous apparent field of view of 82 degrees and a barrel diameter of 1.25 inches (31.8 mm). Designed for long-term reliability, this eyepiece features a sealed, nitrogen-purged construction that effectively prevents internal fogging, dust and moisture ingress, as well as mold growth on optical surfaces. The advanced optical design ensures sharp, high-contrast images across the entire field of view, even when used with telescopes with fast focal ratios. High-quality glass elements combined with EMD multi-coatings and blackened lens edges work together to maximize contrast and minimize stray light. Practical features include a foldable rubber eyecup for comfortable viewing, standard filter threads for accessory compatibility, and a tapered locking mechanism in the stainless steel housing for secure mounting. The sealed design allows for easy cleaning with standard optical fluids while maintaining optical integrity under heavy dew conditions. This eyepiece has a focal length of 4.7 mm and is available in a black finish with model number 0218804. The construction prioritizes durability and consistent optical performance to ensure clear astronomical observations over extended periods of use. The combination of wide-angle viewing capability and protective sealing makes this eyepiece suitable for various observing conditions, while maintaining optical clarity and mechanical reliability.