Alstar Telescope Eyepiece 8 mm,Planetary Eyepiece 58 Degree Wide Angle Lens | 5 Element Fully Multi-Coated Lens, 1.25 Inch Thread for Astronomic($49.99Value)

Description

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 The exit pupil distance of planetary eyepiece has achieved 16mm. Planetary eyepiece is equipped with an eyepiece barrel which could be rotated for adjustment and a convertible rubber ring for eyes. Planetary eyepiece has an excellent imaging quality well beyond common PL eyepieces. Every surface of lens is coated repeatedly to ensure high contrast ratio. The planetary eyepiece is suitable for observation of the moon, Jupiter, Mars and Saturn.