Bright multicoated optics: Multiple layers of anti-reflective compounds offer excellent brightness and resolution. - Smooth central focus knob: Fast range of focus for quick viewing. - BaK4 high index prisms: Extra-high resolution images thanks to these advanced prisms are available on every Nikon compact binocular. - Fully waterproof/fogproof: Nitrogen-filled and O-ring sealed. - Focusing System: Central Focus - Magnification: 8 x - Objective Diameter: 25 mm - Angular Field of View (Real): 8.2 - Angular Field of View (Apparent): 59.7 - FOV at 1000 yds: 429 ft - Close Focus Distance: 8.2 ft - Exit Pupil: 3.1 mm - Relative Brightness: 9.6 - Eye Relief: 10 mm - Size (Length x Width): 4.1 x 4.5 in - Weight: 9.9 oz - Interpupilary Distance: 56 -72 mm - Prism: Roof
Determined at checkout.