magnification: 7 times, Objective lens diameter:50mm; Field of View:115/1000m; 345ft/1000yds; Angular Field of vie

7X50 Binoculars /optical /dcf travel binoculars magnification: 7 times, Objective lens diameter:50mm; Porro prism: BK-7

magnification: 7 times,       Objective lens diameter:50mm; Field of View:115/1000m; 345ft/1000yds;   Angular Field of view:6.6  Close focus: 7 meters, Porro prism: BK-7; Exit Pupil Diameter: 7.14mm; relative brightness: 50.98; eye relief: 27.4mm; blue coated objective lens