The pentax 9x42 dcf br binoculars are heavy duty roof prism binoculars featuring high performance optics a waterproof construction allowing fresh water rinsing and an ergonomic body design for a comfortable hold combining outstanding optical performance and value with a compact lightweight carry anywhere body the pentax 9x42 dcf br binoculars can be used in a wide range of applications including nature observation bird watching sports viewing hunting and more