Magnification x Diameter(mm):  10X25    Lens coating: Blue     Field angle: 5.5°     Field of view(at 1000m/1000yds): 96m/288ft     Prism glass: BK-7     Close focus(m): 5     Exit pupil(mm): 2.5     Eye-relief(mm): 10.5     Waterproof/fog proof: NO     Adapt to tripod: NO     Prism system: Roof     Focus system: Center     Eyecups: Fold down     Dimension(mm): 105x42x35     Weight(g): 96