DESC: The Noble Series from Celestron feature roof prism models for the serious bird watcher, the avid hunter as well as the serious sports enthusiast. All models are rubber covered and fully waterproof. The binoculars feature BAK-4 prisms and have multi-coatings for high quality optical performance with vivid colors and very high contrast views. All feature extreme close focus performance - the 8x32 as close as 5 feet!