Nikon 25398 Semi-soft Case for Nikon D5000 Digital SLR Camera Aligned optics Waterproof and fogproof nitrogen-purged construction O-ring sealed Roof prisms Specifications Magnification - 10x Field of view - 314' @ 1000 yds. Eye relief - 15.5mm Exit pupil - 4.2mm Dimensions (HxWxD) - 2x5x5- Weight - 1 lb. 4 oz. Material - Polycarbonate with rubber-armored coating and nylon travel case