"The 10-30x50 Level Zoom Binocular by Barska is a great all purpose binocular that is ideal for bird watching, sporting events, concerts, hunting and much more. The variable 10-30x magnification range of this binocular allows the viewer to scan a large field of view and then zoom in on the selected object for a more detailed look. A zoom thumb-lever is conveniently located near the eye cups, allowing quick and smooth magnification adjustments to be easily made while simultaneously looking through the binoculars. Shock-absorbing rubber armor provides protection to the optics and creates a non-slip ergonomic design, while fully multi-coated optics deliver an impressively clear view. The 10-30x50 Level Binoculars feature a central focusing knob that allows for smooth focusing and easy operation. These Level Binoculars come with a soft carrying case, neck strap and a lens cloth. Backed by Barska's Limited Lifetime Warranty. See what you have been missing with the Level Series of Binoculars by Barska Optics. This versatile series of binoculars makes them well suited for a wide range of activities, such as bird watching, sporting events, concerts, hunting and more. The fully multi-coated lenses of the Level series delivers optimal brightness, resolution and contrast for high-quality viewing in all kinds of lighting environments. Each binocular in the Level Series comes complete with a soft carrying case and a neck strap. You can rely on these binoculars thanks to the rugged|Fully Multi-Coated Optics|10-30x Magnification|50mm Objective Lenses|Zoom Thumb Lever|BAK-4 Prism|Fold Down Eyecups|Large Center Focus Knob|Shock-Absorbing Rubber Armor|Attachment Point for Tripod Adapter"