The BRESSER Travel binoculars with their full rubber cover at the tubes offer a safe grip to the observers. The binoculars have optical Bk-7 glass material which creates a clear and bright image. Therefore you can also observe at difficult light conditions. All Travel binoculars have a fully coated optics which are steamed onto the lenses. With the foldable eyecups also spectacular wearers are able to use these binoculars.