Nikon 8X40 Action EX Features: Waterproof (up to 1m 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 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 Specifications: Magnification (x) 8 Objective Diameter (mm) 40 Angular field of view (real/degree) 8.2 Angular field of view (apparent/degree) 65.6 Field of view at 1000 meters (m) 143 Exit pupil (mm) 5 Relative brightness 25 Eye relief (mm) 17.2 Close focusing distance (m) 5 Interpupillary distance (mm) 56-72 Weight (g) 855 Length (mm) 138 Width (mm) 187 Price: £179.00 Quantity: