Prism System:Roof, Exit Pupil:2.5 mm, Relative Brightness:6.3, Objective Lens Diameter:25 mm, Eye Width Range:56-72 mm, Focus Adjustment:Manual, Features:Rubber coating, Eye Relief:13 mm, Focus System:Center focus, Field Of View:87 m / 1000 m, Min Focus Distance:3 m, Magnification:10 x, Max View Angle:5 degree(s), Lens Coating:Multicoated