We love this binocular priced right in the market so its affordable but with loads of spec Colorado 8x40 offers stable image, large field of vision and reserve capacity for twilight offer great ease of use for uninterrupted field observation. Technical Specifications Magnification 8-times Objective diameter 40 mm Exit pupil 5 mm Luminosity 25 Twilight factor 17.9 Field of view at 1000 m 112 m Close focusing range 2 m Height * / Width / Depth in mm 148* / 128 / 65 Weight 680 g Water pressure proof Water protected Nitrogen filling Yes Reticle No Compass No Suitable for tripod adaptor Yes Suitable for wearers of glasses Yes Belt attachment Standard Belt Standard strap Rain protection cap Yes Objective lens cover Yes Case Yes