Fujinon 16x70 FMT-SX Polaris, Water Proof Porro Prism Binocular with 4 Degree Angle of View (Individual Focus) This Item Includes: Case - Strap - Rainguard - Objective Lens Covers Type of Prism: Porro Prism Coating: Special EBC Coating with 95% light transmission Real Angular Field of View: 4 Apparent Field at 1000m: 230' (70m)