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Nikon Action EX 10x50 Action Extreme ATB Binoculars ware proof bak-4 FMC

Waterproof (up to 1 meter for 5 minutes) and fog-free with nitrogen gas filling

High-eyepoint design provides a clear field of view even for eyeglass wearers

Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint

Wide field of view

Multilayer-coated lenses and large objective diameter for optimal image clarity

Rubber armouring for shock resistance and a firm, comfortable grip

Eco-glass optics are free of lead and arsenic

Powerful 10x magnification allows detailed observations of distant subjects on land and sea

Large 50mm objective lenses provide improved low-light performance versus smaller-objective models, ensuring images are bright even in challenging conditions

Traditional Porro prism design makes it comfortable to hold and presents a rich depth of field

High-index BAK4 prisms deliver a round exit pupil and a crisp and clear image with limited edge distortion

Anti-reflection fully multi-coated optics produce neutral and accurate color fidelity and improve contrast and image brightness

Wide 60° apparent angle of view to minimize the appearance of visible hand shake and the disorientation often felt when using high-power optics on rough or rolling seas

341-foot field of view at 1000 yards


Magnification (x)


Objective Diameter (mm)


Angular field of view (real/degree)


Angular field of view (apparent/degree)


Field of view at 1000 meters (m)


Exit pupil (mm)


Relative brightness


Eye relief (mm)


Close focusing distance (m)


Interpupillary distance (mm)


Weight (g)


Length (mm)


Width (mm)


Nikon Action EX 10x50 waterproof nitrogen filled Binoculars proof bak-4 FMC for


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