Celestron Nature DX ED 10x42mm Roof Binoculars CelestronTorrance, California Celestron Nature DX ED 10x42mm Roof Binoculars feature extra-low dispersion objective lenses and BaK-4 prisms, assuring proper color without fringing. All lenses are fully multicoated. The binoculars have a true field of view of 5.9° and can focus as close as 6.5 feet (2 meters). Weighing Continue reading "Kickstart summer with these new astronomy products" The post Kickstart summer with these new astronomy products app