The heavy-duty Nikon Aculon A211 10 x 42 mm Porro Prism Binoculars are a versatile & resilient piece of viewing equipment, built for the outdoors. Versatile viewing The Aculon A211 binoculars boast 8-power multicoated lenses with 42 mm objectives fabricated with Nikon's own Eco-Glass. A Ba K4 Porro prism system produces high quality viewing in all lighting conditions, making it a fitting companion for the 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 & precision viewing in a lightweight lead- & arsenic-free glass composition. Fast focus The turn-&-slide rubber eyecups make for comfortable positioning around the eyes, allowing you watch nature & sports without strain. Track focus smoothly & quickly thanks to the ergonomically placed smooth central focusing knob. Hard-wearing design With a lightweight design & excellent ergonomics, the Nikon Aculon A211 binoculars ensure comfort & steady use throughout long time periods. Built to handle any environment, the Nikon binoculars are rubber armoured for shock resistance & feature a firm, non-slip grip. Enjoy the great outdoors with the Nikon Aculon A211 10 x 42 mm Porro Prism Binoculars.