Steiner 288 8x30 Predator Pro Binocular Rugged binocular with 8x magnification and 30mm objective lens CAT lens coating helps game subjects "pop" against green background Auto-focus system keeps subjects in focus from 20 yards to infinity Re-engineered non-slip rubber armoring is durable and noiseless Measures 6.8 x 2.4 x 4.6 inches (W x H x D); weighs 18 ounces