CenterPoint P2 Series 16x50mm Binoculars with Porro Prism Design, Black: * Water and fog resistant * Fully multi-coated lens * 1-year warranty * Prism type: porro * Objective: 50mm * Magnification: 16x * Field of view (ft @ 100yds): 4.2 degrees * Eye relief: 7mm * Exit pupil: 3.1mm * Weight: 26.5oz * Model: 72902