Product Feature Magnification:7x Field of view at 7x:396ft/1000yd(132m/1000m) Angle of vision:7.5 Degree Exit pupil diameter:6.8mm Exit pupil distance:23mm(Long eye relief for eyeglass wearers) Focus:individual eye focus(Diopter control) Diopter adjusting range:-5~+5 DIOPTER Interpupilary distance:56-72mm Prism type:Porro BAK-4 Lens coating:Multi-coated Housing:Rubber Eyecups:…