An exceptional blend of durability and performance, the Nikon ACULON A211 16x50 binoculars are a powerful tool for outdoor enthusiasts. Boasting 16-power multicoated lenses and 50mm objectives, these binoculars are crafted with Nikon's exclusive lead and arsenic-free Eco-Glass. This environmentally-friendly glass composition ensures astonishing clarity and precision, while being lighter in weight.The BaK4 Porro prism systems integrated into these binoculars deliver high-quality images under a wide range of lighting conditions, making them a reliable companion from dawn till dusk. The aspherical eyepiece lenses contribute to a flat field of view, while the lens multicoating enhances image brightness, ensuring a bright and clear image in most lighting conditions.Designed with user comfort in mind, the ACULON A211 16x50 binoculars feature turn-and-slide rubber eyecups for easy positioning of eyes at the correct eye-point.