SIB 20X50M The newest SIB 20X50M brings stabilizing technology one step further. This unique optical instrument utilizes a revolutionary patented mechanical system (no batteries!) to stabilize an image. The improved stabilization mechanism increases recognition range by five times. SIB 20X50M is the only model in the world that provides resolution of three angular seconds in stabilization mode. Weight and size put these binoculars above competition. An observer can use SIB 20x50M at any moving or vibrating platforms such an aircraft, a land or marine vehicle.   Product Features: Stabilized image Rigid construction Weather proof   Surveillance under any motion condition No batteries required Wide angle image Specifications Model Magnification Field of view Minimuim focus, mm compensation angle stabilization system Center resolution Operating temperature range, C Relative humidity (at 25C) Battery Dimensions, mm Weight, kg   SIB20x50 20x 3.2° 11 ±5° Mechanical 4" -30° ... +55° Up to 100 % Not required 217x158x59 1.25