... filled, fog proof, O-ring sealed2. Long eye relief and twist-up eyecupes to accommodate eyeglass wearers3. Large center focus knob for ... , the Binger KZR SERIES has it all. BAK 4 prisms, 7, 8,10, 12,or 16 x magnification with ultra wide ... of temperature.All surfaces are fully multicoated further enhancing brightness and clarity. Technical specificatioons of Binger waterproof binoculars: Item No. ...