Special limited edition Swarovski CL Companion 10x30 Africa Binoculars have special dark brown armoring, bronze colored and individually adjusted twist-in eyecups, a focus wheel that requires only one turn from close focus to infinity, and Swarobright, Swarodur, and Swarotop Coatings. At 4.7" long, these compact lightweight binoculars are perfect for any use, and are dirt proof, dust proof, filled with nitrogen, and have a submersion tightness of 13 feet.