Nikon Aculon A211 10x50 BinocularsOverview ACULON A211 offers superior optical performance at an attractive price. Multilayer coated lenses and a choice of large objective lens diameters provide extremely bright images and a wide field of view. Breathtaking visual experiences also result from the use of aspherical eyepiece lenses. Key Features 50mm Objective 10x Magnification Aspherical multicoated lenses BAK4 Porro prism optical path