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
Specification Magnification: 10x Objective diameter: 50 mm Angular field of view: 6.5 (Real/degree) Angular field of view: 59.2 (Apparent/degree) Field of view at 1,000m: 114 m Exit pupil: 5.0 mm Relative brightness: 25.0 Eye relief: 17.2 mm Close focusing distance : 7.0 m Length : 179 mm Width : 196 mm Depth : 68 mm Weight : 1020 g Interpupillary adjustment: 56-72 mm Type: Porro