Alstar Telescope Eyepiece 2.5mm,Planetary Eyepiece 58Degree Wide Angle Lens | 5 Element Fully Multi-Coated Lens, 1.25 Inch Thread for Astronomic($49.99Value)

Description

58-Degree Wide Field of View: Experience immersive celestial observations with a 58° wide-angle design; offering expansive views of planetary details and deep-sky objects; The 2.5mm focal length provides high magnification for crisp; detailed imaging of lunar craters; Jupiter’s bands; or Saturn’s rings Advanced Multi-Coated Optical System: Features a 5-element lens structure in 3 groups; fully multi-coated to maximize light transmission and minimize lateral chromatic aberration; Enhanced contrast and clarity ensure sharp; true-to-life visuals even under high magnification Universal 1.25-Inch Compatibility: Seamlessly integrates with any telescope using a standard 1.25-inch focuser; The built-in 1.25-inch filter thread allows direct attachment of filters or other accessories; enabling flexible configurations for planetary or deep-sky observation Ergonomic & User-Friendly Design: Equipped with a rotatable barrel and convertible rubber eyecup for comfortable extended use; The adjustable eye relief accommodates eyeglass wearers; while the non-slip grip ensures stability during observation sessions Durable Precision Engineering: Crafted from high-quality aluminum with precision-cut optics; this eyepiece guarantees long-lasting performance and exceptional optical alignment; Ideal for both beginner stargazers and seasoned astronomers seeking reliability 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.