Bushnell 16X50 Powerview Wide-Angle Binoculars Bundle Large 16x50 porro prism binocular with a 3.5 viewing angle Multi-coated optics for superior light transmission Non-slip rubber armor absorbs shock while providing a firm grip Patented 1-touch InstaFocus system holds your subject in sharp focus 3.5 Angle of View / Focusing done with a lever instead of a dial/wheel