Exit Pupil: 3.7mm~1.22mm
Eye Relief: 16.5mm~16.0mm
Eyepiece: Fixed zoom
Field of View (degree): 2.5~1.3
Filed of View at 1000m: 44m~23m
Hood system: Slide
Magnification: 15-45x
Minimum Focusing Distance: 3.0m
Objective lens: Fluorite Crystal
Objective lens Diameter: 55mm
Size: W271mm×h253mm×D66mm
Waterproof: Over IPX7 (Dry Nitrogen Gas)
Weight: 810g