Waterproof binoculars 10x magnification objective lens diameter 34mm fully multi coated optics ergonomic design roof prism structure wide field of view waterproof fogproof and nitrogen purged large focus knob and twist up eye cups tripod compatible accessories include soft case and neck strap optimum performance in a compact well balanced roof prism design the pioneer 10x34 binoculars offer high resolution contrast views in a neatly pa