You do not need to focus these Helios binoculars, which makes it very easy to use and observe moving objects such as motor sports and car races, but of course also for general observation. The only disadvantage is the greater close-up distance than with binoculars with a central focus setting. It can only be used with objects from a distance of 15m. The glass contains BK7 prisms and the optics are multi-coated, it also contains a tripod connection thread and foldable eyecups. A carrying strap and a pouch are included. Scope of delivery: 7×50 binoculars Dust caps Carrying strap Bag ! Power supply and batteries are not included!