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The Nikon Action EX 10x50 CF Binoculars is an ideal high-power optic for boaters who often find themselves on rough or rolling seas. To help mitigate the disorientation and discomfort often experienced when looking through binoculars on the water, the Action Extreme has a wide exit pupil and field of view that keeps the entire scene in view and minimizes the movement of the horizon line, plus a long eye relief that provides the room to back the eyes off the eyepieces for a more comfortable viewing position. The traditional Porro prism design, when combined with the oversized objective lenses, BAK4 prism glass, and anti-reflection fully multi-coated optics, delivers high-contrast views that are bright and sharp, with accurate colors and a rich depth of field so users can differentiate the relative distance between objects in the view even in low light.
Complementing this optical performance are design details that allow the Action Extreme to withstand the rigors of outdoor life. The Porro prism design has an inherently balanced and comfortable feel in the hand for long-duration observation sessions, and the chassis is wrapped in a rubber armor that provides a sure and reliable grip in cold and wet weather. Its optical tubes are nitrogen-filled and O-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature and environmental conditions. Because of the high magnification and large objectives, hand holding the binocular for long periods can cause fatigue and an excessive handshake, so Nikon made it tripod mountable for easy and convenient hands-free use. A tethered one-piece ocular rainguard covers the eyecups as they hang around the neck and prevents rain and spraying water from filling them, and the objective lens caps can clip onto the neck strap to keep them safe from blowing overboard or being lost on the forest floor.
From the trail to the range, to the boat, the 10x50 Action Extreme binocular is engineered to deliver the high-power long-distance performance required by discerning observers—especially boaters and avid outdoor enthusiasts who don't let inclement weather and rough seas keep them at home or in a safe harbor.
Key Features of the Nikon Action EX 10x50 CF Binoculars
Lead- and Arsenic-Free Eco-Glass
BAK4 Traditional Porro Prisms
Fully Multi-Coated Optics
Wide 60° Apparent Angle of View
Nitrogen Filled, Water and Fogproof
Submersible to 1 meter for 5 Minutes
Large Center Fast-Focus Knob
Tripod Mountable with Optional Adapter
Twist-Up/Click-Stop Rubber Eyecups
Long Eye Relief and Wide Exit Pupil
Optical Performance
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 a visible handshake and the disorientation often felt when using high-power optics on rough or rolling seas
341-foot field of view at 1000 yards
Use and Handling
Large slip-resistant center fast-focusing knob is easy to manipulate in cold or wet weather or while wearing gloves
Right-eye dioptric correction enables users to compensate for individual optical prescriptions for clearer views; large adjustment lever is easy to find and use
56-72mm interpupillary adjustment range allows use by a wide variety of people
Twist-up/click-stop rubber eyecups for comfortable use with or without eyewear
Tripod mountable with the optional adapter that enables hands-free use to eliminate handshake/vibrations and arm fatigue
Long 17.2mm eye relief helps to reduce eye strain and improves viewing comfort
Wide 5mm exit pupil will completely cover pupils to keep the full scene in view and limit disorientation, even as pupils open and dilate in low light
Construction Details
Environmentally friendly prisms and lenses feature Eco-Glass that is made without lead and arsenic
Protective textured rubber armoring provides a slip-resistant grip in cold or wet weather
Nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme changes in temperature and environmental conditions
One-piece tethered ocular rainguard protects eyecups from having water pool into them when hanging from the neck, in the rain, or from sea spray
Objective lens caps can be clipped to neck strap to avoid losing them during observation sessions
The Nikon Action EX 10x50 CF Binoculars is an ideal high-power optic for boaters who often find themselves on rough or rolling seas. To help mitigate the disorientation and discomfort often experienced when looking through binoculars on the water, the Action Extreme has a wide exit pupil and field of view that keeps the entire scene in view and minimizes the movement of the horizon line, plus a long eye relief that provides the room to back the eyes off the eyepieces for a more comfortable viewing position. The traditional Porro prism design, when combined with the oversized objective lenses, BAK4 prism glass, and anti-reflection fully multi-coated optics, delivers high-contrast views that are bright and sharp, with accurate colors and a rich depth of field so users can differentiate the relative distance between objects in the view even in low light.
Complementing this optical performance are design details that allow the Action Extreme to withstand the rigors of outdoor life. The Porro prism design has an inherently balanced and comfortable feel in the hand for long-duration observation sessions, and the chassis is wrapped in a rubber armor that provides a sure and reliable grip in cold and wet weather. Its optical tubes are nitrogen-filled and O-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature and environmental conditions. Because of the high magnification and large objectives, hand holding the binocular for long periods can cause fatigue and an excessive handshake, so Nikon made it tripod mountable for easy and convenient hands-free use. A tethered one-piece ocular rainguard covers the eyecups as they hang around the neck and prevents rain and spraying water from filling them, and the objective lens caps can clip onto the neck strap to keep them safe from blowing overboard or being lost on the forest floor.
From the trail to the range, to the boat, the 10x50 Action Extreme binocular is engineered to deliver the high-power long-distance performance required by discerning observers—especially boaters and avid outdoor enthusiasts who don't let inclement weather and rough seas keep them at home or in a safe harbor.
Key Features of the Nikon Action EX 10x50 CF Binoculars
Lead- and Arsenic-Free Eco-Glass
BAK4 Traditional Porro Prisms
Fully Multi-Coated Optics
Wide 60° Apparent Angle of View
Nitrogen Filled, Water and Fogproof
Submersible to 1 meter for 5 Minutes
Large Center Fast-Focus Knob
Tripod Mountable with Optional Adapter
Twist-Up/Click-Stop Rubber Eyecups
Long Eye Relief and Wide Exit Pupil
Optical Performance
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 a visible handshake and the disorientation often felt when using high-power optics on rough or rolling seas
341-foot field of view at 1000 yards
Use and Handling
Large slip-resistant center fast-focusing knob is easy to manipulate in cold or wet weather or while wearing gloves
Right-eye dioptric correction enables users to compensate for individual optical prescriptions for clearer views; large adjustment lever is easy to find and use
56-72mm interpupillary adjustment range allows use by a wide variety of people
Twist-up/click-stop rubber eyecups for comfortable use with or without eyewear
Tripod mountable with the optional adapter that enables hands-free use to eliminate handshake/vibrations and arm fatigue
Long 17.2mm eye relief helps to reduce eye strain and improves viewing comfort
Wide 5mm exit pupil will completely cover pupils to keep the full scene in view and limit disorientation, even as pupils open and dilate in low light
Construction Details
Environmentally friendly prisms and lenses feature Eco-Glass that is made without lead and arsenic
Protective textured rubber armoring provides a slip-resistant grip in cold or wet weather
Nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme changes in temperature and environmental conditions
One-piece tethered ocular rainguard protects eyecups from having water pool into them when hanging from the neck, in the rain, or from sea spray
Objective lens caps can be clipped to neck strap to avoid losing them during observation sessions
