Bresser 10x50 Wave Binocular

{Description}Powerful binoculars with large magnification
10x magnification; 50 mm lens diameter
Waterproof; charged with inert gas; full multi-layer coating
Dimensions: 170 x 135 x 63mm / weight: 758 g
Delivery content: Binoculars, neck strap, case, protective caps,, Premium BaK-4
glass material,, Metal central focusing wheel,, LE eyepieces; twist-up eyecups;
dioptre adjustment,, UR coating on the prism for bright images

{Specification}
Roof prism binoculars
Magnification factor: 10x
Objective lens diameter: 50 mm
Prism material: BaK-4
Field of view at 1000 metres: 91 metres
Exit pupil: 5 mm
Light intensity: 25
Twilight factor: 22.36
Eye relief: 18.2 mm
Nitrogen-filled and waterproof
Dimensions: 170 x 135 x 63 mm
Weight: 796 grams