Waterproof and fog-free with nitrogen gas filling.
The 7x35 Action Extreme ATB Binocular from Nikon is a general purpose optic that offers a weather-sealed housing and slip-resistant handling. Additionally Action Extreme ATB binoculars are equipped with a fully multicoated optical path that displays a 59.3 degrees apparent viewing angle. Nikon's Eco-Glass optics are made of environmentally-friendly lenses and prisms that don't contain lead or arsenic. Complementing the image quality and nitrogen-filled housing are Turn-and-Slide eyecups and a 17mm eye relief allowing the viewer to set a comfortable viewing distance even while wearing eyeglasses.
Eco-Glass Optics: Lead and Arsenic-Free BAK4 Porro Prisms Fully Multicoated Optics Wide Angle Viewing Nitrogen-Filled Fogproof / Waterproof Turn-and-Slide Rubber Eyecups 17mm Eye Relief Rubber Armored Housing
Focusing System: Central Focus
Magnification: 7x Objective Diameter: 35mm Angular Field of View (Real): 9.3 FOV at 1000 yds: 163m Close Focus Distance: 5m Exit Pupil: 5mm Relative Brightness: 25 Eye Relief: 17.3 mm Size (Length x Width): 120 x 184 mm Weight: 800 g Waterproof/fogproof: Yes