6-18x18 Zoom Binoculars,Porro binoculars ---zoom binoculars achieve quite large image Field of View:96m-49m/1000m; 6-18x18 Zoom Binocularsmagnification: 6-18 times,Objective lens diameter:18mm; Field of View:96m-49m/1000m;Angular Field of view:5.5-2.9 Close focus:5 meters,Exit Pupil Diameter: 3-1mm;eye relief: 13.5-10mm;Color: black+silver