If you enjoy outdoor activities, the Barska 30x80 X-Trail Binoculars are the perfect choice. These heavy-duty black binoculars offer 30x magnification power, 80mm objective lens diameter, Porro prism with BAK-4 glass, 2.67mm exit pupil, multi-coated optics, center focus, and 10mm eye relief. They weigh 68.8 ounces. Part of the X-Trail series, these binoculars are made for the great outdoors. They are extremely rugged and durable, and they're suitable for all seasons. All X-Trail binoculars offer an amazing value for quality coated optics, boasting large objective lenses to maximize light transmission. This means that they provide bright, clear images even in low-light conditions. The rubber armor is ergonomic and boasts a non-slip grip for comfortable viewing. These binoculars are perfect for any and all outdoor activities and sporting events.