Alstar 1.25 Inch Telescope Eyepiece- 58 Degree 8mm Planetary Eyepiece for - Fully Multi Coated Wide Angle Lens Astronomy & Astrophotography

Expansive 58° Wide-Field for Planetary & Deep Sky: Enjoy immersive views with an 8mm focal length and a 58° wide field; perfect for observing lunar details; Jupiter's bands; Saturn's rings; and larger deep-sky objects like star clusters and nebulae; The generous 16mm eye relief ensures comfortable viewing Advanced Multi-Coated 5-Element Optics: Built with 5 lens elements in 3 groups and fully multi-coated surfaces to maximize light transmission; enhance contrast; and virtually eliminate lateral chromatic aberration; Delivers sharp; high-contrast images even at high magnifications Universal 1.25-Inch Compatibility with Filter Thread: Designed for all telescopes with a standard 1.25-inch focuser; Features a threaded barrel for easy attachment of 1.25-inch astronomy filters or accessories; offering flexible setups for both planetary and deep-sky exploration Ergonomic Rotatable Design with Adjustable Eyecup: The rotatable barrel and convertible rubber eyecup provide flexible viewing angles and enhanced comfort during long sessions; Blackened lens edges reduce stray light for clearer; more focused observation Durable Aluminum Construction for Lasting Performance: Precision-machined from high-quality aluminum with advanced optical alignment; ensuring long-term durability and reliable optical performance; Ideal for both beginners and experienced astronomy enthusiasts