Sturdily built, lightweight and ergonomically crafted, the Nikon Aculon A211 8 x 42 mm Porro Prism Binoculars are a multi-purpose and versatile viewing device, great for the outdoors. Viewing action The Aculon A211 binoculars employ 8-power multicoated lenses with 42 mm objectives fabricated with Nikon's own Eco-Glass. A BaK4 Porro prism system produces high quality viewing in all lighting conditions, making it a fitting companion for the outdoor adventurer. Constructed with high-end optical technology, the Nikon binoculars use aspherical eyepiece lenses to achieve a flat field of view while the multicoating improves brightness. The Eco-Glass delivers impeccable clarity and precision in a lightweight lead- and arsenic-free glass composition. Smooth view and control The turn-and-slide rubber eyecups make for comfortable positioning around the eyes, allowing you watch nature and sports without strain. Track focus smoothly and quickly thanks to the ergonomically placed smooth central focusing knob. Durable design With a lightweight design and excellent ergonomics, the Nikon Aculon A211 binoculars assure user comfort and steady control during extended use. Built to handle any environment, the Nikon binoculars are rubber armoured for shock resistance and feature a firm, non-slip grip. Compact, high quality and reliable, the Nikon Aculon A211 8 x 42 mm Porro Prism Binoculars feel at home in tough weather conditions and rugged terrain.