Sportstar Zoom features a 25mm objective lens diameter and a 3-time zoom capability that allows users to zoom from 8-power to 24-power for a close-in view. The unique, centrally-located zoom control lever facilitates magnification power with just a push of a finger. It can be used in a wide range of activities or simply stored within arm's reach waiting to capture that customizable up-close view.The Sportstar Zoom is perfect for multiple uses such as wildlife viewing, sports events and racing.Multiple layers of anti-reflective compounds on all optical components offer the brightness and resolution needed for a wide range of conditions. Nikon optical technology combined with a rugged design and wide zoom range make these binoculars a necessity for any outing or event.The Sportstar Zoom binocular provides excellent ergonomics, strength, and ruggedness in a package that is comfortable to carry and small enough to pack away just about anywhere..