The BSA Optics 10 x 25mm Compact Binoculars is prefect for observing nature, sporting events, hunting or any outdoor activity by giving users a three-dimensional image: the two views, presented from slightly different viewpoints to each of the viewer"s eyes, merge to produce a single perceived view with a sensation of depth, allowing distances to be estimated. Used by nature lovers and sports enthusiast year around.These very durable, black or camouflage rubber armored units are for those needing the convenience of a small, yet high-powered binocular. BSA Optics Compact Binoculars are great for everything from the theatre to hiking and backpacking.