Alstar 1.25" 7.5mm 58 Degree Planetary Eyepiece for Telescope

Expansive 58° Wide-Field Observation: Achieve breathtaking celestial views with a 58° wide field and 7.5mm focal length; optimized for detailed planetary observation of lunar terrain; Jupiter’s belts; and Saturn’s rings; Ideal for both astronomy enthusiasts and astrophotographers seeking clarity and rich detail Advanced 5-Element Multi-Coated Optics: Equipped with 5 lens elements in 3 groups and fully multi-coated surfaces for superior light transmission; enhanced contrast; and minimal chromatic aberration; Ensures sharp; high-fidelity images with accurate color reproduction Universal 1.25-Inch Compatibility & Filter Ready: Compatible with any telescope featuring a standard 1.25-inch focuser; The threaded barrel allows seamless attachment of filters or accessories; offering versatile setups for planetary and deep-sky observations Ergonomic Rotatable Design: Features a rotatable barrel and convertible rubber eyecup for adjustable eye relief and comfortable viewing angles; Reduces strain during prolonged sessions; accommodating both eyeglass and non-eyeglass users Durable Aluminum Construction: Precision-engineered with high-quality aluminum and advanced optical alignment for lasting durability and consistent performance; A reliable choice for amateur and professional astronomers alike