BDN 14X50 The world’s first integrated day/night binoculars make round the clock observation possible: from bright sunny day through misty twilight to total darkness with one BDN 14x50. True wide-angle fast lenses coupled a with high-quality image intensifier tube create an outstanding observational device. A turn of a lever switches BDN between day and night modes. Ergonomic, lightweight, compact, weather and shockproof, BDN binoculars are the best of its kind.         Specifications Magnification Field of view Objective lens Dioptric correction Image intensifier tube (IIT) Operating temperature Battery Battery life Dimensions Weight Day   Night 14x 5x 4.7° 14.7° 50 mm ±5 Gen. 2+ or Gen. 3 -40°C to +55°C 2xAA 65 h (without IR) or 18 h (with IR) 235x168x74 mm 1.5 kg