Steiner 242 12x40 Predator Pro Binocular Rugged binocular with 12x magnification and 40mm objective lens CAT lens coating helps game subjects "pop" against green background Auto-focus system keeps subjects in focus from 30 yards to infinity Re-engineered non-slip rubber armoring is durable and noiseless Measures 6.3 x 2.1 x 6.5 inches (W x H x D); weighs 24.4 ounces