From the Manufacturer: LandScout binoculars are great, all-purpose binoculars at an affordable price that can bring a new level of enjoyment to almost any activity: sporting events, sightseeing, birding and wildlife observation, hiking, and more! Coatings and Prisms Inside the LandScout are two roof prisms, each paired with an auxiliary prism. Roof prisms make binoculars more compact by creating a straight line between the eyepiece and objective lens, lending the design its signature sleek and trim exterior shape. Our roof prisms are constructed of K9 optical glass, which provide high reflectivity so that more light passes through the optical path to your eye. LandScout also contains other optical surfaces treated with special coatings to boost light transmission even more. The result is a brighter view than uncoated binoculars. The Body Whether you’re out on the trail or inside a crowded stadium, you want a binocular that is comfortable to hold and use over long periods, without f