Carson RD Series 10x34mm Open-Bridge Waterproof BinocularsThe RD Series from Carson are lightweight open bridge waterproof binoculars that boast a high definition and crystal clear image quality. The RD Series comes available in multiple compact and full sized models ranging from 8x26mm (RD 826), 10x34mm (RD 034), 8x42mm (RD 842), 10x42mm (RD 034) and 10x50mm (RD 050). All versions of the RD Series binoculars are nitrogen filled and o ring sealed making them both waterproof and fogproof. They all contain BAK