The Nikon EDG Fieldscope 65mm S Monocular with Zoom is equipped with Nikon’s exclusive extra-low dispersion glass lenses that grant superior sharpness and color correction for unrivaled resolution. It provides a wider field of view with its larger objective lenses of 65mm. The optical lenses are coated in multiple layers of anti-reflective compounds that provide bright resolution and brilliant color. The dielectric high-reflective multilayer prism coating provides great vision even under extreme low-light conditions. Built with lead- and arsenic-free Eco-Glass, Nikon shows its responsibility and care for nature. Moreover, its waterproof and fog-proof design make it ideal for use under any weather conditions.