The Bushnell Banner 3 - 9 x 40 Riflescope features a 1-piece tube design and Dusk & Dawn Brightness multicoated lenses to provide clarity and brightness in early morning and late evening low-light conditions. The riflescope offers 1/4 M.O.A. fingertip resettable windage and elevation adjustments, while its 100% waterproof and fog-proof construction helps you maintain a clear view in wet weather. Dry nitrogen filled. Fast-focus eyepiece.