SVBONY eyepieces are used to increase magnification to ease viewing Beautifully made with machined housings The metal body gives you a different metallic feel experience 62 degree ultra wide field of view Maximum detail and definition across the entire field of vie;get high definition and a virtually distortion free image The structure of the optical system Aspheric eyepiece designed primarily for planetary observation and perfect for deep sky objects built-in black extinction thread SVBONY 23mm telescopes eyepiece has black extinction thread, which can reduce the interference of other light, and make the observation effect more better. FMC broadband multiple coating for high light transmission. Equipped with a precision-made standard 1.25-inch lens barrel that is compatible with any telescope that accepts 1.25-inch eyepieces The SVBONY SV131 1.25" Plossl 32mm Eyepiece uses premium optics that are fully multi-coated for crisp, clear images. The folding eyecup lets you view with or without glasses, works well for terrestrial observations as well as for views of the Moon, planets, and deep-sky objects. Rubber Material Humanized environmental protection rubber anti-slip ring design will prevent accidental depression Comfortable eye relief and FMC The exit distance of 19mm is convenient for customers to observe for a long time With the true FMC full broadband multilayer coating, it ensures a better image quality Matting treatment SV131 has two processes of matting thread and spray varnish, the lens edges are blackened to reduce scattering of stray light and maximize contrast Standard Plossl eyepiece structure 2 sets of 4-piece optical structures Engineered with high quality 4 element design and offering a generous 46° apparent field of view;provide a wide range of cloudy nebulas and deep sky targets