SUPERIOR CLARITY - Experience exceptional image quality with the Celestron Omni 4mm Plossl Eyepiece, designed for sharp, high-contrast views, enhancing your astronomical observations. WIDE FIELD OF VIEW - Enjoy a broad 50-degree apparent field of view, allowing you to see more of the night sky and celestial objects in stunning detail through this eyepiece. COMFORTABLE VIEWING - Benefit from a 6mm eye relief, providing comfortable viewing distances, especially beneficial for those who wear eyeglasses while observing the skies. VERSATILE COMPATIBILITY - The 1.25' barrel diameter ensures compatibility with a wide range of telescopes, making it a versatile addition to your astronomy equipment collection.