7x50AC is built to mil-specs for shockresistance and waterproofing and is ideal for navigating in darkness, poor visibility and extreme weather. The through-the-lens analogue compass is the most accurate available with LED illumination for night time use. Rangefinding reticle provides distance to objects in observation of known height or length. Individual eyepiece focus adjustments. Fully rubber armored. OD green color. Field of View: 394 ft.@1000 yards; Weight:3LBS; Size: 8 3/5" x 4 1/7" x 6 1/5"; Eye Relief: 22mm.