Bushnell Marine binoculars with internal rangefinder and illuminated compass are essential gear for birders, wildlife observers, big game hunters and anyone who enjoys viewing nature. Bushnell Marine binoculars deliver clear images in even the most foul weather conditions from fog, rain and ice to saltwater exposure. The binocular is nitrogen purged for reliable waterproof and fog proof performance. Highly resistant to saltwater corrosion with 100% UV protection. Non-slip, non-skid rubber armor cushions bumps and shock, prevents sliding and provides a firm grip when wet.