The Celestron PowerSeeker 127EQ Telescope is a high-quality reflector telescope with a 127mm objective lens diameter and a f/7.87 focal length. It features a fully coated lens for clear and sharp images, and comes equipped with a standard finderscope and slow motion control for precise viewing. This telescope is perfect for beginners and intermediate stargazers, with its equatorial mount allowing for easy tracking of celestial objects. Additionally, the telescope is waterproof and comes with a lens cover for added protection.