Nikon Aculon A211 7x35 Binoculars Aculon A211 7x35 binoculars feature 7-power multicoated lenses and 35mm 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 a multitude of lighting conditions, making these binoculars effective from dawn till dusk. All together the Aculon A211 7x35 binoculars are a compact, high-quality and cost effective choice.