Basic Parameters Features:nitrogen waterproof Resolution:7 ° Eyepiece:0.98inch Operating Temperature:-43 ° – + 55 ° Relative Brightness:18.5 Exit Pupil Diameter:3.75mm Coating:AR Blue Film Recent Observation Distance:2m Size:6 X 2.16 X 5.1 inch Objective Lens : 1.2inch Magnification:8X About Refund Policy We…