The use of monocular helps to expand your horizons by allowing you to see a distant object or scene as if it were located very close to the eye.
Lens / objective diameter: 40 mm
Minimum focus distance: 2 m
Angle of view: 3.5
Exit pupil diameter : 4.5 mm
Field of view @1000 yards : 184 ft (55m) / 1000 yards
Eye relief: 13 mm