The powerful Barska Gladiator Zoom Binoculars havemultiple magnifications, ensuring they will adapt to your needs - perfect for all outdoor activities and sporting events.__ Their ruby lenses help to minimize UV glare, while the large 50mm objective lenses give increased light transmission under the darkest conditions.__ They have a zoom mechanism which is smooth and simple to operate, letting you capture a panoramic view at low power, target in on your object and then zoom in to a higher power to capture the finer details.__ Ergonomic, shock-absorbing rubber armour makes them tough and easy to hold securely, and they come with a carrying case and neck strap for total convenience.__10-30x MagnificationRuby UV LensesBK-7 Porro PrismMulti-Coated OpticsClose Focus (ft/m): 26/8 Eye Relief: 15 mmTripod adaptable to fit for a steady view Carrying case, neck strap, lens covers and lens cloth included