Focus Outdoor II 10x42

These binoculars are highly compact for their 42 mm exit lens - the larger the lens, the better binoculars perform in dim conditions. As a bonus, this model has a tripod adapter. Measurements: 138 x 126 x 50 mm Waterproof, IPX7 Rubber coated for protection and excellent grip BK7 roof prism MC anti reflection coating Magnification: 10x Exit pupil 4 mm Outer lens diameter: 42 mm Field of view: 5.8° Field of view at 1000 meters: 113 m Eye relief: 13 mm Diopter adjustment range: +/- 3 Twilight factor 21 Closest focus: 3.8 m Pupil distance 56 - 74 mm Eye cups can be turned down, for compatibility with eye glasses 5 year guarantee