The Gerber Explorer S-II 8x25 Binoculars have a magnification of 8x and an objective lens diameter of 25 mm. With these specs, you can easily see objects at long distances. The field of view is 7.6 with this binocular, which is very wide and allows you to see more objects at once than other binoculars with a narrower field of view. It is equipped with twist-up rubber eyecups that allow you to adjust the focus without taking them off your head. They also have multi-coated optics and BaK4 prism glass that help reduce glare and increase light transmission so that you get a clear image. These binoculars have an ergonomic design that makes them easy to hold and use for long periods of time without any discomfort or fatigue. They are made from NBR and PVC armoring that is both waterproof and fogproof so they can be used in all weather conditions. Product Features in Detail Gerber Explorer 8x25 BinocularsThe Gerber Explorer Series ii 8x25 is a compact roof prism binocular representing great value for money. Outdoor enthusiasts will find it a perfect companion for sports events, bird watching, hunting, hiking and nature observing. It features Multi-coated optics to obtain bright and crisp images of objects. It is waterproof and fogproof to be at home in harsh environments. Its efficient design makes it compact enough to be taken anywhere and is incredibly versitile.