When speed is paramount, theres no substitute for a range-finding binocular.The bx-4 range hd tbrw/10x42mm fuses our dna engine and ballistics software with the optical performance diehard hunters and shooters demand.Offers excellent dawn-to-dusk light transmission for a bright image when it matters most, elite-level glare reduction in harsh light.Tripod compatible (1/4-20).Leupolds true ballistic range/wind (tbr/w) technology takes precision to the next level by offering 25 selectable ballistics groups that account for your preferred cartridge, helping you dial in the exact range of your target.Magnification: 10xObjective: 42mmMin. Distance: 12 ydsMax Distance: 2600 ydsField Of View: 334 ft @ 1000 ydsEye Relief: 17mmLength: 5.90"Weight: 39 ozProofs: Fog/Waterproof