Nikon Aculon A211 10×42 Binoculars The ACULON A211 10×42 binoculars feature 10-power multicoated lenses and 42mm objectives fabricated with Nikon’s exclusive lead and arsenic-free Eco-Glass. The BaK4 Porro prism systems within all ACULON A211 binoculars deliver a high-quality image under…