Waterproof and fog-free with nitrogen gas filling.
The 10x50 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 59.2° 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